diff options
13 files changed, 3 insertions, 4523 deletions
diff --git a/package/network/services/dnsmasq/Makefile b/package/network/services/dnsmasq/Makefile index 85c43505e0..10537d711f 100644 --- a/package/network/services/dnsmasq/Makefile +++ b/package/network/services/dnsmasq/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=dnsmasq PKG_VERSION:=2.80 -PKG_RELEASE:=3 +PKG_RELEASE:=2 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq diff --git a/package/network/services/dnsmasq/patches/0001-Impove-cache-behaviour-for-TCP-connections.patch b/package/network/services/dnsmasq/patches/0001-Impove-cache-behaviour-for-TCP-connections.patch deleted file mode 100644 index 453c2924b2..0000000000 --- a/package/network/services/dnsmasq/patches/0001-Impove-cache-behaviour-for-TCP-connections.patch +++ /dev/null @@ -1,495 +0,0 @@ -From a799ca0c6314ad73a97bc6c89382d2712a9c0b0e Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Thu, 18 Oct 2018 19:35:29 +0100 -Subject: [PATCH 01/11] Impove cache behaviour for TCP connections. - -For ease of implementaion, dnsmasq has always forked a new process to -handle each incoming TCP connection. A side-effect of this is that any -DNS queries answered from TCP connections are not cached: when TCP -connections were rare, this was not a problem. With the coming of -DNSSEC, it's now the case that some DNSSEC queries have answers which -spill to TCP, and if, for instance, this applies to the keys for the -root then those never get cached, and performance is very bad. This -fix passes cache entries back from the TCP child process to the main -server process, and fixes the problem. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - CHANGELOG | 14 ++++ - src/blockdata.c | 37 ++++++++- - src/cache.c | 196 ++++++++++++++++++++++++++++++++++++++++++++++-- - src/dnsmasq.c | 58 ++++++++++++-- - src/dnsmasq.h | 5 ++ - 5 files changed, 291 insertions(+), 19 deletions(-) - ---- a/CHANGELOG -+++ b/CHANGELOG -@@ -1,3 +1,17 @@ -+version 2.81 -+ Impove cache behaviour for TCP connections. For ease of -+ implementaion, dnsmasq has always forked a new process to handle -+ each incoming TCP connection. A side-effect of this is that -+ any DNS queries answered from TCP connections are not cached: -+ when TCP connections were rare, this was not a problem. -+ With the coming of DNSSEC, it's now the case that some -+ DNSSEC queries have answers which spill to TCP, and if, -+ for instance, this applies to the keys for the root then -+ those never get cached, and performance is very bad. -+ This fix passes cache entries back from the TCP child process to -+ the main server process, and fixes the problem. -+ -+ - version 2.80 - Add support for RFC 4039 DHCP rapid commit. Thanks to Ashram Method - for the initial patch and motivation. ---- a/src/blockdata.c -+++ b/src/blockdata.c -@@ -61,7 +61,7 @@ void blockdata_report(void) - blockdata_alloced * sizeof(struct blockdata)); - } - --struct blockdata *blockdata_alloc(char *data, size_t len) -+static struct blockdata *blockdata_alloc_real(int fd, char *data, size_t len) - { - struct blockdata *block, *ret = NULL; - struct blockdata **prev = &ret; -@@ -89,8 +89,17 @@ struct blockdata *blockdata_alloc(char * - blockdata_hwm = blockdata_count; - - blen = len > KEYBLOCK_LEN ? KEYBLOCK_LEN : len; -- memcpy(block->key, data, blen); -- data += blen; -+ if (data) -+ { -+ memcpy(block->key, data, blen); -+ data += blen; -+ } -+ else if (!read_write(fd, block->key, blen, 1)) -+ { -+ /* failed read free partial chain */ -+ blockdata_free(ret); -+ return NULL; -+ } - len -= blen; - *prev = block; - prev = &block->next; -@@ -100,6 +109,10 @@ struct blockdata *blockdata_alloc(char * - return ret; - } - -+struct blockdata *blockdata_alloc(char *data, size_t len) -+{ -+ return blockdata_alloc_real(0, data, len); -+} - - void blockdata_free(struct blockdata *blocks) - { -@@ -148,5 +161,21 @@ void *blockdata_retrieve(struct blockdat - - return data; - } -- -+ -+ -+void blockdata_write(struct blockdata *block, size_t len, int fd) -+{ -+ for (; len > 0 && block; block = block->next) -+ { -+ size_t blen = len > KEYBLOCK_LEN ? KEYBLOCK_LEN : len; -+ read_write(fd, block->key, blen, 0); -+ len -= blen; -+ } -+} -+ -+struct blockdata *blockdata_read(int fd, size_t len) -+{ -+ return blockdata_alloc_real(fd, NULL, len); -+} -+ - #endif ---- a/src/cache.c -+++ b/src/cache.c -@@ -26,6 +26,8 @@ static union bigname *big_free = NULL; - static int bignames_left, hash_size; - - static void make_non_terminals(struct crec *source); -+static struct crec *really_insert(char *name, struct all_addr *addr, -+ time_t now, unsigned long ttl, unsigned short flags); - - /* type->string mapping: this is also used by the name-hash function as a mixing table. */ - static const struct { -@@ -464,16 +466,10 @@ void cache_start_insert(void) - new_chain = NULL; - insert_error = 0; - } -- -+ - struct crec *cache_insert(char *name, struct all_addr *addr, - time_t now, unsigned long ttl, unsigned short flags) - { -- struct crec *new, *target_crec = NULL; -- union bigname *big_name = NULL; -- int freed_all = flags & F_REVERSE; -- int free_avail = 0; -- unsigned int target_uid; -- - /* Don't log DNSSEC records here, done elsewhere */ - if (flags & (F_IPV4 | F_IPV6 | F_CNAME)) - { -@@ -484,7 +480,20 @@ struct crec *cache_insert(char *name, st - if (daemon->min_cache_ttl != 0 && daemon->min_cache_ttl > ttl) - ttl = daemon->min_cache_ttl; - } -+ -+ return really_insert(name, addr, now, ttl, flags); -+} - -+ -+static struct crec *really_insert(char *name, struct all_addr *addr, -+ time_t now, unsigned long ttl, unsigned short flags) -+{ -+ struct crec *new, *target_crec = NULL; -+ union bigname *big_name = NULL; -+ int freed_all = flags & F_REVERSE; -+ int free_avail = 0; -+ unsigned int target_uid; -+ - /* if previous insertion failed give up now. */ - if (insert_error) - return NULL; -@@ -645,12 +654,185 @@ void cache_end_insert(void) - cache_hash(new_chain); - cache_link(new_chain); - daemon->metrics[METRIC_DNS_CACHE_INSERTED]++; -+ -+ /* If we're a child process, send this cache entry up the pipe to the master. -+ The marshalling process is rather nasty. */ -+ if (daemon->pipe_to_parent != -1) -+ { -+ char *name = cache_get_name(new_chain); -+ ssize_t m = strlen(name); -+ unsigned short flags = new_chain->flags; -+#ifdef HAVE_DNSSEC -+ u16 class = new_chain->uid; -+#endif -+ -+ read_write(daemon->pipe_to_parent, (unsigned char *)&m, sizeof(m), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)name, m, 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->ttd, sizeof(new_chain->ttd), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&flags, sizeof(flags), 0); -+ -+ if (flags & (F_IPV4 | F_IPV6)) -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr, sizeof(new_chain->addr), 0); -+#ifdef HAVE_DNSSEC -+ else if (flags & F_DNSKEY) -+ { -+ read_write(daemon->pipe_to_parent, (unsigned char *)&class, sizeof(class), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.key.algo, sizeof(new_chain->addr.key.algo), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.key.keytag, sizeof(new_chain->addr.key.keytag), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.key.flags, sizeof(new_chain->addr.key.flags), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.key.keylen, sizeof(new_chain->addr.key.keylen), 0); -+ blockdata_write(new_chain->addr.key.keydata, new_chain->addr.key.keylen, daemon->pipe_to_parent); -+ } -+ else if (flags & F_DS) -+ { -+ read_write(daemon->pipe_to_parent, (unsigned char *)&class, sizeof(class), 0); -+ /* A negative DS entry is possible and has no data, obviously. */ -+ if (!(flags & F_NEG)) -+ { -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.ds.algo, sizeof(new_chain->addr.ds.algo), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.ds.keytag, sizeof(new_chain->addr.ds.keytag), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.ds.digest, sizeof(new_chain->addr.ds.digest), 0); -+ read_write(daemon->pipe_to_parent, (unsigned char *)&new_chain->addr.ds.keylen, sizeof(new_chain->addr.ds.keylen), 0); -+ blockdata_write(new_chain->addr.ds.keydata, new_chain->addr.ds.keylen, daemon->pipe_to_parent); -+ } -+ } -+#endif -+ -+ } - } -+ - new_chain = tmp; - } -+ -+ /* signal end of cache insert in master process */ -+ if (daemon->pipe_to_parent != -1) -+ { -+ ssize_t m = -1; -+ read_write(daemon->pipe_to_parent, (unsigned char *)&m, sizeof(m), 0); -+ } -+ - new_chain = NULL; - } - -+ -+/* A marshalled cache entry arrives on fd, read, unmarshall and insert into cache of master process. */ -+int cache_recv_insert(time_t now, int fd) -+{ -+ ssize_t m; -+ struct all_addr addr; -+ unsigned long ttl; -+ time_t ttd; -+ unsigned short flags; -+ struct crec *crecp = NULL; -+ -+ cache_start_insert(); -+ -+ while(1) -+ { -+ -+ if (!read_write(fd, (unsigned char *)&m, sizeof(m), 1)) -+ return 0; -+ -+ if (m == -1) -+ { -+ cache_end_insert(); -+ return 1; -+ } -+ -+ if (!read_write(fd, (unsigned char *)daemon->namebuff, m, 1) || -+ !read_write(fd, (unsigned char *)&ttd, sizeof(ttd), 1) || -+ !read_write(fd, (unsigned char *)&flags, sizeof(flags), 1)) -+ return 0; -+ -+ daemon->namebuff[m] = 0; -+ -+ ttl = difftime(ttd, now); -+ -+ if (flags & (F_IPV4 | F_IPV6)) -+ { -+ if (!read_write(fd, (unsigned char *)&addr, sizeof(addr), 1)) -+ return 0; -+ crecp = really_insert(daemon->namebuff, &addr, now, ttl, flags); -+ } -+ else if (flags & F_CNAME) -+ { -+ struct crec *newc = really_insert(daemon->namebuff, NULL, now, ttl, flags); -+ /* This relies on the fact the the target of a CNAME immediately preceeds -+ it because of the order of extraction in extract_addresses, and -+ the order reversal on the new_chain. */ -+ if (newc) -+ { -+ if (!crecp) -+ { -+ newc->addr.cname.target.cache = NULL; -+ /* anything other than zero, to avoid being mistaken for CNAME to interface-name */ -+ newc->addr.cname.uid = 1; -+ } -+ else -+ { -+ next_uid(crecp); -+ newc->addr.cname.target.cache = crecp; -+ newc->addr.cname.uid = crecp->uid; -+ } -+ } -+ } -+#ifdef HAVE_DNSSEC -+ else if (flags & (F_DNSKEY | F_DS)) -+ { -+ unsigned short class, keylen, keyflags, keytag; -+ unsigned char algo, digest; -+ struct blockdata *keydata; -+ -+ if (!read_write(fd, (unsigned char *)&class, sizeof(class), 1)) -+ return 0; -+ /* Cache needs to known class for DNSSEC stuff */ -+ addr.addr.dnssec.class = class; -+ -+ crecp = really_insert(daemon->namebuff, &addr, now, ttl, flags); -+ -+ if (flags & F_DNSKEY) -+ { -+ if (!read_write(fd, (unsigned char *)&algo, sizeof(algo), 1) || -+ !read_write(fd, (unsigned char *)&keytag, sizeof(keytag), 1) || -+ !read_write(fd, (unsigned char *)&keyflags, sizeof(keyflags), 1) || -+ !read_write(fd, (unsigned char *)&keylen, sizeof(keylen), 1) || -+ !(keydata = blockdata_read(fd, keylen))) -+ return 0; -+ } -+ else if (!(flags & F_NEG)) -+ { -+ if (!read_write(fd, (unsigned char *)&algo, sizeof(algo), 1) || -+ !read_write(fd, (unsigned char *)&keytag, sizeof(keytag), 1) || -+ !read_write(fd, (unsigned char *)&digest, sizeof(digest), 1) || -+ !read_write(fd, (unsigned char *)&keylen, sizeof(keylen), 1) || -+ !(keydata = blockdata_read(fd, keylen))) -+ return 0; -+ } -+ -+ if (crecp) -+ { -+ if (flags & F_DNSKEY) -+ { -+ crecp->addr.key.algo = algo; -+ crecp->addr.key.keytag = keytag; -+ crecp->addr.key.flags = flags; -+ crecp->addr.key.keylen = keylen; -+ crecp->addr.key.keydata = keydata; -+ } -+ else if (!(flags & F_NEG)) -+ { -+ crecp->addr.ds.algo = algo; -+ crecp->addr.ds.keytag = keytag; -+ crecp->addr.ds.digest = digest; -+ crecp->addr.ds.keylen = keylen; -+ crecp->addr.ds.keydata = keydata; -+ } -+ } -+ } -+#endif -+ } -+} -+ - int cache_find_non_terminal(char *name, time_t now) - { - struct crec *crecp; ---- a/src/dnsmasq.c -+++ b/src/dnsmasq.c -@@ -930,6 +930,10 @@ int main (int argc, char **argv) - check_servers(); - - pid = getpid(); -+ -+ daemon->pipe_to_parent = -1; -+ for (i = 0; i < MAX_PROCS; i++) -+ daemon->tcp_pipes[i] = -1; - - #ifdef HAVE_INOTIFY - /* Using inotify, have to select a resolv file at startup */ -@@ -1611,7 +1615,7 @@ static int set_dns_listeners(time_t now) - we don't need to explicitly arrange to wake up here */ - if (listener->tcpfd != -1) - for (i = 0; i < MAX_PROCS; i++) -- if (daemon->tcp_pids[i] == 0) -+ if (daemon->tcp_pids[i] == 0 && daemon->tcp_pipes[i] == -1) - { - poll_listen(listener->tcpfd, POLLIN); - break; -@@ -1624,6 +1628,13 @@ static int set_dns_listeners(time_t now) - - } - -+#ifndef NO_FORK -+ if (!option_bool(OPT_DEBUG)) -+ for (i = 0; i < MAX_PROCS; i++) -+ if (daemon->tcp_pipes[i] != -1) -+ poll_listen(daemon->tcp_pipes[i], POLLIN); -+#endif -+ - return wait; - } - -@@ -1632,7 +1643,10 @@ static void check_dns_listeners(time_t n - struct serverfd *serverfdp; - struct listener *listener; - int i; -- -+#ifndef NO_FORK -+ int pipefd[2]; -+#endif -+ - for (serverfdp = daemon->sfds; serverfdp; serverfdp = serverfdp->next) - if (poll_check(serverfdp->fd, POLLIN)) - reply_query(serverfdp->fd, serverfdp->source_addr.sa.sa_family, now); -@@ -1642,7 +1656,26 @@ static void check_dns_listeners(time_t n - if (daemon->randomsocks[i].refcount != 0 && - poll_check(daemon->randomsocks[i].fd, POLLIN)) - reply_query(daemon->randomsocks[i].fd, daemon->randomsocks[i].family, now); -- -+ -+#ifndef NO_FORK -+ /* Races. The child process can die before we read all of the data from the -+ pipe, or vice versa. Therefore send tcp_pids to zero when we wait() the -+ process, and tcp_pipes to -1 and close the FD when we read the last -+ of the data - indicated by cache_recv_insert returning zero. -+ The order of these events is indeterminate, and both are needed -+ to free the process slot. Once the child process has gone, poll() -+ returns POLLHUP, not POLLIN, so have to check for both here. */ -+ if (!option_bool(OPT_DEBUG)) -+ for (i = 0; i < MAX_PROCS; i++) -+ if (daemon->tcp_pipes[i] != -1 && -+ poll_check(daemon->tcp_pipes[i], POLLIN | POLLHUP) && -+ !cache_recv_insert(now, daemon->tcp_pipes[i])) -+ { -+ close(daemon->tcp_pipes[i]); -+ daemon->tcp_pipes[i] = -1; -+ } -+#endif -+ - for (listener = daemon->listeners; listener; listener = listener->next) - { - if (listener->fd != -1 && poll_check(listener->fd, POLLIN)) -@@ -1736,15 +1769,20 @@ static void check_dns_listeners(time_t n - while (retry_send(close(confd))); - } - #ifndef NO_FORK -- else if (!option_bool(OPT_DEBUG) && (p = fork()) != 0) -+ else if (!option_bool(OPT_DEBUG) && pipe(pipefd) == 0 && (p = fork()) != 0) - { -- if (p != -1) -+ close(pipefd[1]); /* parent needs read pipe end. */ -+ if (p == -1) -+ close(pipefd[0]); -+ else - { - int i; -+ - for (i = 0; i < MAX_PROCS; i++) -- if (daemon->tcp_pids[i] == 0) -+ if (daemon->tcp_pids[i] == 0 && daemon->tcp_pipes[i] == -1) - { - daemon->tcp_pids[i] = p; -+ daemon->tcp_pipes[i] = pipefd[0]; - break; - } - } -@@ -1761,7 +1799,7 @@ static void check_dns_listeners(time_t n - int flags; - struct in_addr netmask; - int auth_dns; -- -+ - if (iface) - { - netmask = iface->netmask; -@@ -1777,7 +1815,11 @@ static void check_dns_listeners(time_t n - /* Arrange for SIGALRM after CHILD_LIFETIME seconds to - terminate the process. */ - if (!option_bool(OPT_DEBUG)) -- alarm(CHILD_LIFETIME); -+ { -+ alarm(CHILD_LIFETIME); -+ close(pipefd[0]); /* close read end in child. */ -+ daemon->pipe_to_parent = pipefd[1]; -+ } - #endif - - /* start with no upstream connections. */ ---- a/src/dnsmasq.h -+++ b/src/dnsmasq.h -@@ -1091,6 +1091,8 @@ extern struct daemon { - size_t packet_len; /* " " */ - struct randfd *rfd_save; /* " " */ - pid_t tcp_pids[MAX_PROCS]; -+ int tcp_pipes[MAX_PROCS]; -+ int pipe_to_parent; - struct randfd randomsocks[RANDOM_SOCKS]; - int v6pktinfo; - struct addrlist *interface_addrs; /* list of all addresses/prefix lengths associated with all local interfaces */ -@@ -1152,6 +1154,7 @@ struct crec *cache_find_by_name(struct c - char *name, time_t now, unsigned int prot); - void cache_end_insert(void); - void cache_start_insert(void); -+int cache_recv_insert(time_t now, int fd); - struct crec *cache_insert(char *name, struct all_addr *addr, - time_t now, unsigned long ttl, unsigned short flags); - void cache_reload(void); -@@ -1174,6 +1177,8 @@ void blockdata_init(void); - void blockdata_report(void); - struct blockdata *blockdata_alloc(char *data, size_t len); - void *blockdata_retrieve(struct blockdata *block, size_t len, void *data); -+struct blockdata *blockdata_read(int fd, size_t len); -+void blockdata_write(struct blockdata *block, size_t len, int fd); - void blockdata_free(struct blockdata *blocks); - #endif - diff --git a/package/network/services/dnsmasq/patches/0002-Ensure-that-AD-bit-is-reset-on-answers-from-address-.patch b/package/network/services/dnsmasq/patches/0002-Ensure-that-AD-bit-is-reset-on-answers-from-address-.patch deleted file mode 100644 index e3178b8dfd..0000000000 --- a/package/network/services/dnsmasq/patches/0002-Ensure-that-AD-bit-is-reset-on-answers-from-address-.patch +++ /dev/null @@ -1,26 +0,0 @@ -From a220545c4277cba534be5ef4638b5076fc7d2cf4 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Mon, 22 Oct 2018 18:21:48 +0100 -Subject: [PATCH 02/11] Ensure that AD bit is reset on answers from - --address=/<domain>/<address>. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/rfc1035.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/src/rfc1035.c -+++ b/src/rfc1035.c -@@ -938,9 +938,9 @@ size_t setup_reply(struct dns_header *he - return 0; - - /* clear authoritative and truncated flags, set QR flag */ -- header->hb3 = (header->hb3 & ~(HB3_AA | HB3_TC)) | HB3_QR; -- /* set RA flag */ -- header->hb4 |= HB4_RA; -+ header->hb3 = (header->hb3 & ~(HB3_AA | HB3_TC )) | HB3_QR; -+ /* clear AD flag, set RA flag */ -+ header->hb4 = (header->hb4 & ~HB4_AD) | HB4_RA; - - header->nscount = htons(0); - header->arcount = htons(0); diff --git a/package/network/services/dnsmasq/patches/0003-Remove-ability-to-compile-without-IPv6-support.patch b/package/network/services/dnsmasq/patches/0003-Remove-ability-to-compile-without-IPv6-support.patch deleted file mode 100644 index be3c4116b6..0000000000 --- a/package/network/services/dnsmasq/patches/0003-Remove-ability-to-compile-without-IPv6-support.patch +++ /dev/null @@ -1,2192 +0,0 @@ -From ee8750451b49d27b180517a4e35b636be0fae575 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Tue, 23 Oct 2018 22:10:17 +0100 -Subject: [PATCH 03/11] Remove ability to compile without IPv6 support. - -This was the source of a large number of #ifdefs, originally -included for use with old embedded libc versions. I'm -sure no-one wants or needs IPv6-free code these days, so this -is a move towards more maintainable code. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/arp.c | 13 ---------- - src/auth.c | 53 ++++++++++---------------------------- - src/bpf.c | 10 ++------ - src/cache.c | 31 ++++------------------ - src/config.h | 30 +++------------------- - src/conntrack.c | 2 -- - src/dbus.c | 4 --- - src/dnsmasq.c | 6 ++--- - src/dnsmasq.h | 20 ++------------- - src/domain.c | 28 +++----------------- - src/dump.c | 4 --- - src/edns0.c | 14 +--------- - src/forward.c | 68 ++++--------------------------------------------- - src/helper.c | 8 ------ - src/ipset.c | 9 +------ - src/netlink.c | 5 +--- - src/network.c | 54 +++------------------------------------ - src/option.c | 34 ------------------------- - src/rfc1035.c | 50 +++++++----------------------------- - src/tables.c | 3 +-- - src/tftp.c | 17 ++----------- - src/util.c | 13 +--------- - 22 files changed, 57 insertions(+), 419 deletions(-) - ---- a/src/arp.c -+++ b/src/arp.c -@@ -44,11 +44,6 @@ static int filter_mac(int family, char * - if (maclen > DHCP_CHADDR_MAX) - return 1; - --#ifndef HAVE_IPV6 -- if (family != AF_INET) -- return 1; --#endif -- - /* Look for existing entry */ - for (arp = arps; arp; arp = arp->next) - { -@@ -60,13 +55,11 @@ static int filter_mac(int family, char * - if (arp->addr.addr.addr4.s_addr != ((struct in_addr *)addrp)->s_addr) - continue; - } --#ifdef HAVE_IPV6 - else - { - if (!IN6_ARE_ADDR_EQUAL(&arp->addr.addr.addr6, (struct in6_addr *)addrp)) - continue; - } --#endif - - if (arp->status == ARP_EMPTY) - { -@@ -103,10 +96,8 @@ static int filter_mac(int family, char * - memcpy(arp->hwaddr, mac, maclen); - if (family == AF_INET) - arp->addr.addr.addr4.s_addr = ((struct in_addr *)addrp)->s_addr; --#ifdef HAVE_IPV6 - else - memcpy(&arp->addr.addr.addr6, addrp, IN6ADDRSZ); --#endif - } - - return 1; -@@ -136,11 +127,9 @@ int find_mac(union mysockaddr *addr, uns - arp->addr.addr.addr4.s_addr != addr->in.sin_addr.s_addr) - continue; - --#ifdef HAVE_IPV6 - if (arp->family == AF_INET6 && - !IN6_ARE_ADDR_EQUAL(&arp->addr.addr.addr6, &addr->in6.sin6_addr)) - continue; --#endif - - /* Only accept positive entries unless in lazy mode. */ - if (arp->status != ARP_EMPTY || lazy || updated) -@@ -203,10 +192,8 @@ int find_mac(union mysockaddr *addr, uns - - if (addr->sa.sa_family == AF_INET) - arp->addr.addr.addr4.s_addr = addr->in.sin_addr.s_addr; --#ifdef HAVE_IPV6 - else - memcpy(&arp->addr.addr.addr6, &addr->in6.sin6_addr, IN6ADDRSZ); --#endif - } - - return 0; ---- a/src/auth.c -+++ b/src/auth.c -@@ -33,10 +33,8 @@ static struct addrlist *find_addrlist(st - if (is_same_net(addr, list->addr.addr.addr4, netmask)) - return list; - } --#ifdef HAVE_IPV6 - else if (is_same_net6(&(addr_u->addr.addr6), &list->addr.addr.addr6, list->prefixlen)) - return list; --#endif - - } while ((list = list->next)); - -@@ -189,7 +187,6 @@ size_t answer_auth(struct dns_header *he - while (intr->next && strcmp(intr->intr, intr->next->intr) == 0) - intr = intr->next; - } --#ifdef HAVE_IPV6 - else if (flag == F_IPV6) - for (intr = daemon->int_names; intr; intr = intr->next) - { -@@ -205,7 +202,6 @@ size_t answer_auth(struct dns_header *he - while (intr->next && strcmp(intr->intr, intr->next->intr) == 0) - intr = intr->next; - } --#endif - - if (intr) - { -@@ -378,10 +374,8 @@ size_t answer_auth(struct dns_header *he - if (qtype == T_A) - flag = F_IPV4; - --#ifdef HAVE_IPV6 - if (qtype == T_AAAA) - flag = F_IPV6; --#endif - - for (intr = daemon->int_names; intr; intr = intr->next) - if ((rc = hostname_issubdomain(name, intr->name))) -@@ -395,10 +389,9 @@ size_t answer_auth(struct dns_header *he - if (((addrlist->flags & ADDRLIST_IPV6) ? T_AAAA : T_A) == qtype && - (local_query || filter_zone(zone, flag, &addrlist->addr))) - { --#ifdef HAVE_IPV6 - if (addrlist->flags & ADDRLIST_REVONLY) - continue; --#endif -+ - found = 1; - log_query(F_FORWARD | F_CONFIG | flag, name, &addrlist->addr, NULL); - if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, -@@ -424,13 +417,11 @@ size_t answer_auth(struct dns_header *he - - if (peer_addr->sa.sa_family == AF_INET) - peer_addr->in.sin_port = 0; --#ifdef HAVE_IPV6 - else - { - peer_addr->in6.sin6_port = 0; - peer_addr->in6.sin6_scope_id = 0; - } --#endif - - for (peers = daemon->auth_peers; peers; peers = peers->next) - if (sockaddr_isequal(peer_addr, &peers->addr)) -@@ -442,10 +433,8 @@ size_t answer_auth(struct dns_header *he - { - if (peer_addr->sa.sa_family == AF_INET) - inet_ntop(AF_INET, &peer_addr->in.sin_addr, daemon->addrbuff, ADDRSTRLEN); --#ifdef HAVE_IPV6 - else - inet_ntop(AF_INET6, &peer_addr->in6.sin6_addr, daemon->addrbuff, ADDRSTRLEN); --#endif - - my_syslog(LOG_WARNING, _("ignoring zone transfer request from %s"), daemon->addrbuff); - return 0; -@@ -603,7 +592,6 @@ size_t answer_auth(struct dns_header *he - p += sprintf(p, "%u.in-addr.arpa", a & 0xff); - - } --#ifdef HAVE_IPV6 - else - { - char *p = name; -@@ -617,7 +605,6 @@ size_t answer_auth(struct dns_header *he - p += sprintf(p, "ip6.arpa"); - - } --#endif - } - - /* handle NS and SOA in auth section or for explicit queries */ -@@ -754,14 +741,12 @@ size_t answer_auth(struct dns_header *he - daemon->auth_ttl, NULL, T_A, C_IN, "4", cut ? intr->name : NULL, &addrlist->addr)) - anscount++; - --#ifdef HAVE_IPV6 - for (addrlist = intr->addr; addrlist; addrlist = addrlist->next) - if ((addrlist->flags & ADDRLIST_IPV6) && - (local_query || filter_zone(zone, F_IPV6, &addrlist->addr)) && - add_resource_record(header, limit, &trunc, -axfroffset, &ansp, - daemon->auth_ttl, NULL, T_AAAA, C_IN, "6", cut ? intr->name : NULL, &addrlist->addr)) - anscount++; --#endif - - /* restore config data */ - if (cut) -@@ -798,18 +783,11 @@ size_t answer_auth(struct dns_header *he - { - char *cache_name = cache_get_name(crecp); - if (!strchr(cache_name, '.') && -- (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr.addr)))) -- { -- qtype = T_A; --#ifdef HAVE_IPV6 -- if (crecp->flags & F_IPV6) -- qtype = T_AAAA; --#endif -- if (add_resource_record(header, limit, &trunc, -axfroffset, &ansp, -- daemon->auth_ttl, NULL, qtype, C_IN, -- (crecp->flags & F_IPV4) ? "4" : "6", cache_name, &crecp->addr)) -- anscount++; -- } -+ (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr.addr))) && -+ add_resource_record(header, limit, &trunc, -axfroffset, &ansp, -+ daemon->auth_ttl, NULL, (crecp->flags & F_IPV6) ? T_AAAA : T_A, C_IN, -+ (crecp->flags & F_IPV4) ? "4" : "6", cache_name, &crecp->addr)) -+ anscount++; - } - - if ((crecp->flags & F_HOSTS) || (((crecp->flags & F_DHCP) && option_bool(OPT_DHCP_FQDN)))) -@@ -818,18 +796,13 @@ size_t answer_auth(struct dns_header *he - if (in_zone(zone, name, &cut) && - (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr.addr)))) - { -- qtype = T_A; --#ifdef HAVE_IPV6 -- if (crecp->flags & F_IPV6) -- qtype = T_AAAA; --#endif -- if (cut) -- *cut = 0; -- -- if (add_resource_record(header, limit, &trunc, -axfroffset, &ansp, -- daemon->auth_ttl, NULL, qtype, C_IN, -- (crecp->flags & F_IPV4) ? "4" : "6", cut ? name : NULL, &crecp->addr)) -- anscount++; -+ if (cut) -+ *cut = 0; -+ -+ if (add_resource_record(header, limit, &trunc, -axfroffset, &ansp, -+ daemon->auth_ttl, NULL, (crecp->flags & F_IPV6) ? T_AAAA : T_A, C_IN, -+ (crecp->flags & F_IPV4) ? "4" : "6", cut ? name : NULL, &crecp->addr)) -+ anscount++; - } - } - } ---- a/src/bpf.c -+++ b/src/bpf.c -@@ -31,9 +31,7 @@ - # include <net/if_var.h> - #endif - #include <netinet/in_var.h> --#ifdef HAVE_IPV6 --# include <netinet6/in6_var.h> --#endif -+#include <netinet6/in6_var.h> - - #ifndef SA_SIZE - #define SA_SIZE(sa) \ -@@ -121,7 +119,7 @@ int iface_enumerate(int family, void *pa - if (getifaddrs(&head) == -1) - return 0; - --#if defined(HAVE_BSD_NETWORK) && defined(HAVE_IPV6) -+#if defined(HAVE_BSD_NETWORK) - if (family == AF_INET6) - fd = socket(PF_INET6, SOCK_DGRAM, 0); - #endif -@@ -152,7 +150,6 @@ int iface_enumerate(int family, void *pa - if (!((*callback)(addr, iface_index, NULL, netmask, broadcast, parm))) - goto err; - } --#ifdef HAVE_IPV6 - else if (family == AF_INET6) - { - struct in6_addr *addr = &((struct sockaddr_in6 *) addrs->ifa_addr)->sin6_addr; -@@ -219,7 +216,6 @@ int iface_enumerate(int family, void *pa - (int) preferred, (int)valid, parm))) - goto err; - } --#endif /* HAVE_IPV6 */ - - #ifdef HAVE_DHCP6 - else if (family == AF_LINK) -@@ -427,10 +423,8 @@ void route_sock(void) - del_family = sa->sa_family; - if (del_family == AF_INET) - del_addr.addr.addr4 = ((struct sockaddr_in *)sa)->sin_addr; --#ifdef HAVE_IPV6 - else if (del_family == AF_INET6) - del_addr.addr.addr6 = ((struct sockaddr_in6 *)sa)->sin6_addr; --#endif - else - del_family = 0; - } ---- a/src/cache.c -+++ b/src/cache.c -@@ -410,11 +410,8 @@ static struct crec *cache_scan_free(char - else - { - int i; --#ifdef HAVE_IPV6 - int addrlen = (flags & F_IPV6) ? IN6ADDRSZ : INADDRSZ; --#else -- int addrlen = INADDRSZ; --#endif -+ - for (i = 0; i < hash_size; i++) - for (crecp = hash_table[i], up = &hash_table[i]; - crecp && ((crecp->flags & F_REVERSE) || !(crecp->flags & F_IMMORTAL)); -@@ -512,11 +509,9 @@ static struct crec *really_insert(char * - if ((flags & F_IPV4) && (new->flags & F_IPV4) && - new->addr.addr.addr.addr4.s_addr == addr->addr.addr4.s_addr) - return new; --#ifdef HAVE_IPV6 - else if ((flags & F_IPV6) && (new->flags & F_IPV6) && - IN6_ARE_ADDR_EQUAL(&new->addr.addr.addr.addr6, &addr->addr.addr6)) - return new; --#endif - } - - insert_error = 1; -@@ -938,11 +933,7 @@ struct crec *cache_find_by_addr(struct c - time_t now, unsigned int prot) - { - struct crec *ans; --#ifdef HAVE_IPV6 - int addrlen = (prot == F_IPV6) ? IN6ADDRSZ : INADDRSZ; --#else -- int addrlen = INADDRSZ; --#endif - - if (crecp) /* iterating */ - ans = crecp->next; -@@ -1171,14 +1162,12 @@ int read_hostsfile(char *filename, unsig - addrlen = INADDRSZ; - domain_suffix = get_domain(addr.addr.addr4); - } --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, token, &addr) > 0) - { - flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV6; - addrlen = IN6ADDRSZ; - domain_suffix = get_domain6(&addr.addr.addr6); - } --#endif - else - { - my_syslog(LOG_ERR, _("bad address at %s line %d"), filename, lineno); -@@ -1343,7 +1332,7 @@ void cache_reload(void) - cache->flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV4 | F_NAMEP | F_CONFIG; - add_hosts_entry(cache, (struct all_addr *)&hr->addr, INADDRSZ, SRC_CONFIG, (struct crec **)daemon->packet, revhashsz); - } --#ifdef HAVE_IPV6 -+ - if (!IN6_IS_ADDR_UNSPECIFIED(&hr->addr6) && - (cache = whine_malloc(SIZEOF_POINTER_CREC))) - { -@@ -1352,7 +1341,6 @@ void cache_reload(void) - cache->flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV6 | F_NAMEP | F_CONFIG; - add_hosts_entry(cache, (struct all_addr *)&hr->addr6, IN6ADDRSZ, SRC_CONFIG, (struct crec **)daemon->packet, revhashsz); - } --#endif - } - - if (option_bool(OPT_NO_HOSTS) && !daemon->addn_hosts) -@@ -1451,13 +1439,11 @@ void cache_add_dhcp_entry(char *host_nam - int in_hosts = 0; - size_t addrlen = sizeof(struct in_addr); - --#ifdef HAVE_IPV6 - if (prot == AF_INET6) - { - flags = F_IPV6; - addrlen = sizeof(struct in6_addr); - } --#endif - - inet_ntop(prot, host_address, daemon->addrbuff, ADDRSTRLEN); - -@@ -1810,10 +1796,8 @@ void dump_cache(time_t now) - a = daemon->addrbuff; - if (cache->flags & F_IPV4) - inet_ntop(AF_INET, &cache->addr.addr, a, ADDRSTRLEN); --#ifdef HAVE_IPV6 - else if (cache->flags & F_IPV6) - inet_ntop(AF_INET6, &cache->addr.addr, a, ADDRSTRLEN); --#endif - } - - if (cache->flags & F_IPV4) -@@ -1954,14 +1938,9 @@ void log_query(unsigned int flags, char - sprintf(daemon->addrbuff, "%u", rcode); - } - else -- { --#ifdef HAVE_IPV6 -- inet_ntop(flags & F_IPV4 ? AF_INET : AF_INET6, -- addr, daemon->addrbuff, ADDRSTRLEN); --#else -- strncpy(daemon->addrbuff, inet_ntoa(addr->addr.addr4), ADDRSTRLEN); --#endif -- } -+ inet_ntop(flags & F_IPV4 ? AF_INET : AF_INET6, -+ addr, daemon->addrbuff, ADDRSTRLEN); -+ - } - else - dest = arg; ---- a/src/config.h -+++ b/src/config.h -@@ -131,7 +131,6 @@ HAVE_INOTIFY - - NO_ID - Don't report *.bind CHAOS info to clients, forward such requests upstream instead. --NO_IPV6 - NO_TFTP - NO_DHCP - NO_DHCP6 -@@ -141,8 +140,8 @@ NO_AUTH - NO_DUMPFILE - NO_INOTIFY - these are available to explicitly disable compile time options which would -- otherwise be enabled automatically (HAVE_IPV6, >2Gb file sizes) or -- which are enabled by default in the distributed source tree. Building dnsmasq -+ otherwise be enabled automatically or which are enabled by default -+ in the distributed source tree. Building dnsmasq - with something like "make COPTS=-DNO_SCRIPT" will do the trick. - NO_GMP - Don't use and link against libgmp, Useful if nettle is built with --enable-mini-gmp. -@@ -308,29 +307,9 @@ HAVE_SOCKADDR_SA_LEN - - #endif - --/* Decide if we're going to support IPv6 */ --/* We assume that systems which don't have IPv6 -- headers don't have ntop and pton either */ -- --#if defined(INET6_ADDRSTRLEN) && defined(IPV6_V6ONLY) --# define HAVE_IPV6 --# define ADDRSTRLEN INET6_ADDRSTRLEN --#else --# if !defined(INET_ADDRSTRLEN) --# define INET_ADDRSTRLEN 16 /* 4*3 + 3 dots + NULL */ --# endif --# undef HAVE_IPV6 --# define ADDRSTRLEN INET_ADDRSTRLEN --#endif -- -- - /* rules to implement compile-time option dependencies and - the NO_XXX flags */ - --#ifdef NO_IPV6 --#undef HAVE_IPV6 --#endif -- - #ifdef NO_TFTP - #undef HAVE_TFTP - #endif -@@ -340,7 +319,7 @@ HAVE_SOCKADDR_SA_LEN - #undef HAVE_DHCP6 - #endif - --#if defined(NO_DHCP6) || !defined(HAVE_IPV6) -+#if defined(NO_DHCP6) - #undef HAVE_DHCP6 - #endif - -@@ -385,9 +364,6 @@ HAVE_SOCKADDR_SA_LEN - #ifdef DNSMASQ_COMPILE_OPTS - - static char *compile_opts = --#ifndef HAVE_IPV6 --"no-" --#endif - "IPv6 " - #ifndef HAVE_GETOPT_LONG - "no-" ---- a/src/conntrack.c -+++ b/src/conntrack.c -@@ -36,7 +36,6 @@ int get_incoming_mark(union mysockaddr * - nfct_set_attr_u8(ct, ATTR_L4PROTO, istcp ? IPPROTO_TCP : IPPROTO_UDP); - nfct_set_attr_u16(ct, ATTR_PORT_DST, htons(daemon->port)); - --#ifdef HAVE_IPV6 - if (peer_addr->sa.sa_family == AF_INET6) - { - nfct_set_attr_u8(ct, ATTR_L3PROTO, AF_INET6); -@@ -45,7 +44,6 @@ int get_incoming_mark(union mysockaddr * - nfct_set_attr(ct, ATTR_IPV6_DST, local_addr->addr.addr6.s6_addr); - } - else --#endif - { - nfct_set_attr_u8(ct, ATTR_L3PROTO, AF_INET); - nfct_set_attr_u32(ct, ATTR_IPV4_SRC, peer_addr->in.sin_addr.s_addr); ---- a/src/dbus.c -+++ b/src/dbus.c -@@ -185,9 +185,6 @@ static void dbus_read_servers(DBusMessag - } - } - --#ifndef HAVE_IPV6 -- my_syslog(LOG_WARNING, _("attempt to set an IPv6 server address via DBus - no IPv6 support")); --#else - if (i == sizeof(struct in6_addr)) - { - memcpy(&addr.in6.sin6_addr, p, sizeof(struct in6_addr)); -@@ -202,7 +199,6 @@ static void dbus_read_servers(DBusMessag - source_addr.in6.sin6_port = htons(daemon->query_port); - skip = 0; - } --#endif - } - else - /* At the end */ ---- a/src/dnsmasq.c -+++ b/src/dnsmasq.c -@@ -1730,11 +1730,11 @@ static void check_dns_listeners(time_t n - indextoname(listener->tcpfd, if_index, intr_name)) - { - struct all_addr addr; -- addr.addr.addr4 = tcp_addr.in.sin_addr; --#ifdef HAVE_IPV6 -+ - if (tcp_addr.sa.sa_family == AF_INET6) - addr.addr.addr6 = tcp_addr.in6.sin6_addr; --#endif -+ else -+ addr.addr.addr4 = tcp_addr.in.sin_addr; - - for (iface = daemon->interfaces; iface; iface = iface->next) - if (iface->index == if_index) ---- a/src/dnsmasq.h -+++ b/src/dnsmasq.h -@@ -126,9 +126,7 @@ typedef unsigned long long u64; - #include <net/if_arp.h> - #include <netinet/in_systm.h> - #include <netinet/ip.h> --#ifdef HAVE_IPV6 - #include <netinet/ip6.h> --#endif - #include <netinet/ip_icmp.h> - #include <sys/uio.h> - #include <syslog.h> -@@ -159,6 +157,8 @@ extern int capget(cap_user_header_t head - /* daemon is function in the C library.... */ - #define daemon dnsmasq_daemon - -+#define ADDRSTRLEN INET6_ADDRSTRLEN -+ - /* Async event queue */ - struct event_desc { - int event, data, msg_sz; -@@ -273,9 +273,7 @@ struct event_desc { - struct all_addr { - union { - struct in_addr addr4; --#ifdef HAVE_IPV6 - struct in6_addr addr6; --#endif - /* for log_query */ - struct { - unsigned short keytag, algo, digest; -@@ -383,9 +381,7 @@ struct host_record { - struct name_list *next; - } *names; - struct in_addr addr; --#ifdef HAVE_IPV6 - struct in6_addr addr6; --#endif - struct host_record *next; - }; - -@@ -496,9 +492,7 @@ struct crec { - union mysockaddr { - struct sockaddr sa; - struct sockaddr_in in; --#if defined(HAVE_IPV6) - struct sockaddr_in6 in6; --#endif - }; - - /* bits in flag param to IPv6 callbacks from iface_enumerate() */ -@@ -660,9 +654,7 @@ struct frec { - struct all_addr dest; - struct server *sentto; /* NULL means free */ - struct randfd *rfd4; --#ifdef HAVE_IPV6 - struct randfd *rfd6; --#endif - unsigned int iface; - unsigned short orig_id, new_id; - int log_id, fd, forwardall, flags; -@@ -877,9 +869,7 @@ struct dhcp_bridge { - struct cond_domain { - char *domain, *prefix; - struct in_addr start, end; --#ifdef HAVE_IPV6 - struct in6_addr start6, end6; --#endif - int is6, indexed; - struct cond_domain *next; - }; -@@ -1184,9 +1174,7 @@ void blockdata_free(struct blockdata *bl - - /* domain.c */ - char *get_domain(struct in_addr addr); --#ifdef HAVE_IPV6 - char *get_domain6(struct in6_addr *addr); --#endif - int is_name_synthetic(int flags, char *name, struct all_addr *addr); - int is_rev_synth(int flag, struct all_addr *addr, char *name); - -@@ -1270,11 +1258,9 @@ int hostname_issubdomain(char *a, char * - time_t dnsmasq_time(void); - int netmask_length(struct in_addr mask); - int is_same_net(struct in_addr a, struct in_addr b, struct in_addr mask); --#ifdef HAVE_IPV6 - int is_same_net6(struct in6_addr *a, struct in6_addr *b, int prefixlen); - u64 addr6part(struct in6_addr *addr); - void setaddr6part(struct in6_addr *addr, u64 host); --#endif - int retry_send(ssize_t rc); - void prettyprint_time(char *buf, unsigned int t); - int prettyprint_addr(union mysockaddr *addr, char *buf); -@@ -1353,9 +1339,7 @@ int loopback_exception(int fd, int famil - int label_exception(int index, int family, struct all_addr *addr); - int fix_fd(int fd); - int tcp_interface(int fd, int af); --#ifdef HAVE_IPV6 - int set_ipv6pktinfo(int fd); --#endif - #ifdef HAVE_DHCP6 - void join_multicast(int dienow); - #endif ---- a/src/domain.c -+++ b/src/domain.c -@@ -18,21 +18,14 @@ - - - static struct cond_domain *search_domain(struct in_addr addr, struct cond_domain *c); --#ifdef HAVE_IPV6 - static struct cond_domain *search_domain6(struct in6_addr *addr, struct cond_domain *c); --#endif - - - int is_name_synthetic(int flags, char *name, struct all_addr *addr) - { - char *p; - struct cond_domain *c = NULL; -- int prot = AF_INET; -- --#ifdef HAVE_IPV6 -- if (flags & F_IPV6) -- prot = AF_INET6; --#endif -+ int prot = (flags & F_IPV6) ? AF_INET6 : AF_INET; - - for (c = daemon->synth_domains; c; c = c->next) - { -@@ -83,8 +76,7 @@ int is_name_synthetic(int flags, char *n - addr->addr.addr4.s_addr = htonl(ntohl(c->start.s_addr) + index); - found = 1; - } -- } --#ifdef HAVE_IPV6 -+ } - else - { - u64 index = atoll(tail); -@@ -98,7 +90,6 @@ int is_name_synthetic(int flags, char *n - found = 1; - } - } --#endif - } - } - else -@@ -111,10 +102,8 @@ int is_name_synthetic(int flags, char *n - if ((c >='0' && c <= '9') || c == '-') - continue; - --#ifdef HAVE_IPV6 - if (prot == AF_INET6 && ((c >='A' && c <= 'F') || (c >='a' && c <= 'f'))) - continue; --#endif - - break; - } -@@ -124,7 +113,6 @@ int is_name_synthetic(int flags, char *n - - *p = 0; - --#ifdef HAVE_IPV6 - if (prot == AF_INET6 && strstr(tail, "--ffff-") == tail) - { - /* special hack for v4-mapped. */ -@@ -134,7 +122,6 @@ int is_name_synthetic(int flags, char *n - *p = '.'; - } - else --#endif - { - /* swap . or : for - */ - for (p = tail; *p; p++) -@@ -142,10 +129,8 @@ int is_name_synthetic(int flags, char *n - { - if (prot == AF_INET) - *p = '.'; --#ifdef HAVE_IPV6 - else - *p = ':'; --#endif - } - } - -@@ -158,7 +143,6 @@ int is_name_synthetic(int flags, char *n - ntohl(addr->addr.addr4.s_addr) <= ntohl(c->end.s_addr)) - found = 1; - } --#ifdef HAVE_IPV6 - else - { - u64 addrpart = addr6part(&addr->addr.addr6); -@@ -169,7 +153,6 @@ int is_name_synthetic(int flags, char *n - addrpart <= addr6part(&c->end6)) - found = 1; - } --#endif - } - - } -@@ -221,8 +204,7 @@ int is_rev_synth(int flag, struct all_ad - return 1; - } - --#ifdef HAVE_IPV6 -- if (flag & F_IPV6 && (c = search_domain6(&addr->addr.addr6, daemon->synth_domains))) -+ if ((flag & F_IPV6) && (c = search_domain6(&addr->addr.addr6, daemon->synth_domains))) - { - char *p; - -@@ -259,7 +241,6 @@ int is_rev_synth(int flag, struct all_ad - - return 1; - } --#endif - - return 0; - } -@@ -286,7 +267,7 @@ char *get_domain(struct in_addr addr) - return daemon->domain_suffix; - } - --#ifdef HAVE_IPV6 -+ - static struct cond_domain *search_domain6(struct in6_addr *addr, struct cond_domain *c) - { - u64 addrpart = addr6part(addr); -@@ -310,4 +291,3 @@ char *get_domain6(struct in6_addr *addr) - - return daemon->domain_suffix; - } --#endif ---- a/src/dump.c -+++ b/src/dump.c -@@ -82,10 +82,8 @@ void dump_init(void) - void dump_packet(int mask, void *packet, size_t len, union mysockaddr *src, union mysockaddr *dst) - { - struct ip ip; --#ifdef HAVE_IPV6 - struct ip6_hdr ip6; - int family; --#endif - struct udphdr { - u16 uh_sport; /* source port */ - u16 uh_dport; /* destination port */ -@@ -105,7 +103,6 @@ void dump_packet(int mask, void *packet, - /* So wireshark can Id the packet. */ - udp.uh_sport = udp.uh_dport = htons(NAMESERVER_PORT); - --#ifdef HAVE_IPV6 - if (src) - family = src->sa.sa_family; - else -@@ -139,7 +136,6 @@ void dump_packet(int mask, void *packet, - sum += ((u16 *)&ip6.ip6_src)[i]; - } - else --#endif - { - iphdr = &ip; - ipsz = sizeof(ip); ---- a/src/edns0.c -+++ b/src/edns0.c -@@ -301,20 +301,14 @@ static size_t add_mac(struct dns_header - - struct subnet_opt { - u16 family; -- u8 source_netmask, scope_netmask; --#ifdef HAVE_IPV6 -+ u8 source_netmask, scope_netmask; - u8 addr[IN6ADDRSZ]; --#else -- u8 addr[INADDRSZ]; --#endif - }; - - static void *get_addrp(union mysockaddr *addr, const short family) - { --#ifdef HAVE_IPV6 - if (family == AF_INET6) - return &addr->in6.sin6_addr; --#endif - - return &addr->in.sin_addr; - } -@@ -330,7 +324,6 @@ static size_t calc_subnet_opt(struct sub - opt->source_netmask = 0; - opt->scope_netmask = 0; - --#ifdef HAVE_IPV6 - if (source->sa.sa_family == AF_INET6 && daemon->add_subnet6) - { - opt->source_netmask = daemon->add_subnet6->mask; -@@ -342,7 +335,6 @@ static size_t calc_subnet_opt(struct sub - else - addrp = &source->in6.sin6_addr; - } --#endif - - if (source->sa.sa_family == AF_INET && daemon->add_subnet4) - { -@@ -356,11 +348,7 @@ static size_t calc_subnet_opt(struct sub - addrp = &source->in.sin_addr; - } - --#ifdef HAVE_IPV6 - opt->family = htons(sa_family == AF_INET6 ? 2 : 1); --#else -- opt->family = htons(1); --#endif - - len = 0; - ---- a/src/forward.c -+++ b/src/forward.c -@@ -38,9 +38,7 @@ int send_from(int fd, int nowild, char * - #elif defined(IP_SENDSRCADDR) - char control[CMSG_SPACE(sizeof(struct in_addr))]; - #endif --#ifdef HAVE_IPV6 - char control6[CMSG_SPACE(sizeof(struct in6_pktinfo))]; --#endif - } control_u; - - iov[0].iov_base = packet; -@@ -79,7 +77,6 @@ int send_from(int fd, int nowild, char * - #endif - } - else --#ifdef HAVE_IPV6 - { - struct in6_pktinfo p; - p.ipi6_ifindex = iface; /* Need iface for IPv6 to handle link-local addrs */ -@@ -89,9 +86,6 @@ int send_from(int fd, int nowild, char * - cmptr->cmsg_type = daemon->v6pktinfo; - cmptr->cmsg_level = IPPROTO_IPV6; - } --#else -- (void)iface; /* eliminate warning */ --#endif - } - - while (retry_send(sendmsg(fd, &msg, 0))); -@@ -144,10 +138,8 @@ static unsigned int search_servers(time_ - flags = sflag; - if (serv->addr.sa.sa_family == AF_INET) - *addrpp = (struct all_addr *)&serv->addr.in.sin_addr; --#ifdef HAVE_IPV6 - else - *addrpp = (struct all_addr *)&serv->addr.in6.sin6_addr; --#endif - } - else if (!flags || (flags & F_NXDOMAIN)) - flags = F_NOERR; -@@ -204,10 +196,8 @@ static unsigned int search_servers(time_ - flags = sflag; - if (serv->addr.sa.sa_family == AF_INET) - *addrpp = (struct all_addr *)&serv->addr.in.sin_addr; --#ifdef HAVE_IPV6 - else - *addrpp = (struct all_addr *)&serv->addr.in6.sin6_addr; --#endif - } - else if (!flags || (flags & F_NXDOMAIN)) - flags = F_NOERR; -@@ -236,10 +226,8 @@ static unsigned int search_servers(time_ - /* handle F_IPV4 and F_IPV6 set on ANY query to 0.0.0.0/:: domain. */ - if (flags & F_IPV4) - log_query((flags | F_CONFIG | F_FORWARD) & ~F_IPV6, qdomain, *addrpp, NULL); --#ifdef HAVE_IPV6 - if (flags & F_IPV6) - log_query((flags | F_CONFIG | F_FORWARD) & ~F_IPV4, qdomain, *addrpp, NULL); --#endif - } - } - else if ((*type) & SERV_USE_RESOLV) -@@ -302,20 +290,17 @@ static int forward_query(int udpfd, unio - - if (forward->sentto->addr.sa.sa_family == AF_INET) - log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, "retry", (struct all_addr *)&forward->sentto->addr.in.sin_addr, "dnssec"); --#ifdef HAVE_IPV6 - else - log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, "retry", (struct all_addr *)&forward->sentto->addr.in6.sin6_addr, "dnssec"); --#endif -+ - - if (forward->sentto->sfd) - fd = forward->sentto->sfd->fd; - else - { --#ifdef HAVE_IPV6 - if (forward->sentto->addr.sa.sa_family == AF_INET6) - fd = forward->rfd6->fd; - else --#endif - fd = forward->rfd4->fd; - } - -@@ -475,7 +460,6 @@ static int forward_query(int udpfd, unio - fd = start->sfd->fd; - else - { --#ifdef HAVE_IPV6 - if (start->addr.sa.sa_family == AF_INET6) - { - if (!forward->rfd6 && -@@ -485,7 +469,6 @@ static int forward_query(int udpfd, unio - fd = forward->rfd6->fd; - } - else --#endif - { - if (!forward->rfd4 && - !(forward->rfd4 = allocate_rfd(AF_INET))) -@@ -541,11 +524,9 @@ static int forward_query(int udpfd, unio - if (start->addr.sa.sa_family == AF_INET) - log_query(F_SERVER | F_IPV4 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&start->addr.in.sin_addr, NULL); --#ifdef HAVE_IPV6 - else - log_query(F_SERVER | F_IPV6 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&start->addr.in6.sin6_addr, NULL); --#endif - start->queries++; - forwarded = 1; - forward->sentto = start; -@@ -788,11 +769,8 @@ void reply_query(int fd, int family, tim - daemon->srv_save = NULL; - - /* Determine the address of the server replying so that we can mark that as good */ -- serveraddr.sa.sa_family = family; --#ifdef HAVE_IPV6 -- if (serveraddr.sa.sa_family == AF_INET6) -+ if ((serveraddr.sa.sa_family = family) == AF_INET6) - serveraddr.in6.sin6_flowinfo = 0; --#endif - - header = (struct dns_header *)daemon->packet; - -@@ -878,7 +856,6 @@ void reply_query(int fd, int family, tim - fd = start->sfd->fd; - else - { --#ifdef HAVE_IPV6 - if (start->addr.sa.sa_family == AF_INET6) - { - /* may have changed family */ -@@ -887,7 +864,6 @@ void reply_query(int fd, int family, tim - fd = forward->rfd6->fd; - } - else --#endif - { - /* may have changed family */ - if (!forward->rfd4) -@@ -902,10 +878,8 @@ void reply_query(int fd, int family, tim - - if (start->addr.sa.sa_family == AF_INET) - log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, "retry", (struct all_addr *)&start->addr.in.sin_addr, "dnssec"); --#ifdef HAVE_IPV6 - else - log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, "retry", (struct all_addr *)&start->addr.in6.sin6_addr, "dnssec"); --#endif - - return; - } -@@ -1099,9 +1073,7 @@ void reply_query(int fd, int family, tim - - new->sentto = server; - new->rfd4 = NULL; --#ifdef HAVE_IPV6 - new->rfd6 = NULL; --#endif - new->flags &= ~(FREC_DNSKEY_QUERY | FREC_DS_QUERY | FREC_HAS_EXTRADATA); - new->forwardall = 0; - -@@ -1125,11 +1097,9 @@ void reply_query(int fd, int family, tim - if (server->addr.sa.sa_family == AF_INET) - log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, daemon->keyname, (struct all_addr *)&(server->addr.in.sin_addr), - querystr("dnssec-query", querytype)); --#ifdef HAVE_IPV6 - else - log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, daemon->keyname, (struct all_addr *)&(server->addr.in6.sin6_addr), - querystr("dnssec-query", querytype)); --#endif - - if ((hash = hash_questions(header, nn, daemon->namebuff))) - memcpy(new->hash, hash, HASH_SIZE); -@@ -1147,14 +1117,12 @@ void reply_query(int fd, int family, tim - else - { - fd = -1; --#ifdef HAVE_IPV6 - if (server->addr.sa.sa_family == AF_INET6) - { - if (new->rfd6 || (new->rfd6 = allocate_rfd(AF_INET6))) - fd = new->rfd6->fd; - } - else --#endif - { - if (new->rfd4 || (new->rfd4 = allocate_rfd(AF_INET))) - fd = new->rfd4->fd; -@@ -1290,9 +1258,7 @@ void receive_query(struct listener *list - struct cmsghdr *cmptr; - union { - struct cmsghdr align; /* this ensures alignment */ --#ifdef HAVE_IPV6 - char control6[CMSG_SPACE(sizeof(struct in6_pktinfo))]; --#endif - #if defined(HAVE_LINUX_NETWORK) - char control[CMSG_SPACE(sizeof(struct in_pktinfo))]; - #elif defined(IP_RECVDSTADDR) && defined(HAVE_SOLARIS_NETWORK) -@@ -1303,12 +1269,8 @@ void receive_query(struct listener *list - CMSG_SPACE(sizeof(struct sockaddr_dl))]; - #endif - } control_u; --#ifdef HAVE_IPV6 - /* Can always get recvd interface for IPv6 */ - int check_dst = !option_bool(OPT_NOWILD) || listen->family == AF_INET6; --#else -- int check_dst = !option_bool(OPT_NOWILD); --#endif - - /* packet buffer overwritten */ - daemon->srv_save = NULL; -@@ -1359,7 +1321,6 @@ void receive_query(struct listener *list - if (source_addr.in.sin_port == 0) - return; - } --#ifdef HAVE_IPV6 - else - { - /* Source-port == 0 is an error, we can't send back to that. */ -@@ -1367,13 +1328,12 @@ void receive_query(struct listener *list - return; - source_addr.in6.sin6_flowinfo = 0; - } --#endif - - /* We can be configured to only accept queries from at-most-one-hop-away addresses. */ - if (option_bool(OPT_LOCAL_SERVICE)) - { - struct addrlist *addr; --#ifdef HAVE_IPV6 -+ - if (listen->family == AF_INET6) - { - for (addr = daemon->interface_addrs; addr; addr = addr->next) -@@ -1382,7 +1342,6 @@ void receive_query(struct listener *list - break; - } - else --#endif - { - struct in_addr netmask; - for (addr = daemon->interface_addrs; addr; addr = addr->next) -@@ -1451,7 +1410,6 @@ void receive_query(struct listener *list - } - #endif - --#ifdef HAVE_IPV6 - if (listen->family == AF_INET6) - { - for (cmptr = CMSG_FIRSTHDR(&msg); cmptr; cmptr = CMSG_NXTHDR(&msg, cmptr)) -@@ -1467,7 +1425,6 @@ void receive_query(struct listener *list - if_index = p.p->ipi6_ifindex; - } - } --#endif - - /* enforce available interface configuration */ - -@@ -1531,11 +1488,9 @@ void receive_query(struct listener *list - if (listen->family == AF_INET) - log_query(F_QUERY | F_IPV4 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&source_addr.in.sin_addr, types); --#ifdef HAVE_IPV6 - else - log_query(F_QUERY | F_IPV6 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&source_addr.in6.sin6_addr, types); --#endif - - #ifdef HAVE_AUTH - /* find queries for zones we're authoritative for, and answer them directly */ -@@ -1744,11 +1699,9 @@ static int tcp_key_recurse(time_t now, i - if (server->addr.sa.sa_family == AF_INET) - log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, keyname, (struct all_addr *)&(server->addr.in.sin_addr), - querystr("dnssec-query", new_status == STAT_NEED_KEY ? T_DNSKEY : T_DS)); --#ifdef HAVE_IPV6 - else - log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, keyname, (struct all_addr *)&(server->addr.in6.sin6_addr), - querystr("dnssec-query", new_status == STAT_NEED_KEY ? T_DNSKEY : T_DS)); --#endif - - server->flags |= SERV_GOT_TCP; - -@@ -1813,11 +1766,10 @@ unsigned char *tcp_request(int confd, ti - if (option_bool(OPT_CONNTRACK)) - { - struct all_addr local; --#ifdef HAVE_IPV6 -+ - if (local_addr->sa.sa_family == AF_INET6) - local.addr.addr6 = local_addr->in6.sin6_addr; - else --#endif - local.addr.addr4 = local_addr->in.sin_addr; - - have_mark = get_incoming_mark(&peer_addr, &local, 1, &mark); -@@ -1828,7 +1780,7 @@ unsigned char *tcp_request(int confd, ti - if (option_bool(OPT_LOCAL_SERVICE)) - { - struct addrlist *addr; --#ifdef HAVE_IPV6 -+ - if (peer_addr.sa.sa_family == AF_INET6) - { - for (addr = daemon->interface_addrs; addr; addr = addr->next) -@@ -1837,7 +1789,6 @@ unsigned char *tcp_request(int confd, ti - break; - } - else --#endif - { - struct in_addr netmask; - for (addr = daemon->interface_addrs; addr; addr = addr->next) -@@ -1892,11 +1843,9 @@ unsigned char *tcp_request(int confd, ti - if (peer_addr.sa.sa_family == AF_INET) - log_query(F_QUERY | F_IPV4 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&peer_addr.in.sin_addr, types); --#ifdef HAVE_IPV6 - else - log_query(F_QUERY | F_IPV6 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&peer_addr.in6.sin6_addr, types); --#endif - - #ifdef HAVE_AUTH - /* find queries for zones we're authoritative for, and answer them directly */ -@@ -2072,11 +2021,9 @@ unsigned char *tcp_request(int confd, ti - if (last_server->addr.sa.sa_family == AF_INET) - log_query(F_SERVER | F_IPV4 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&last_server->addr.in.sin_addr, NULL); --#ifdef HAVE_IPV6 - else - log_query(F_SERVER | F_IPV6 | F_FORWARD, daemon->namebuff, - (struct all_addr *)&last_server->addr.in6.sin6_addr, NULL); --#endif - - #ifdef HAVE_DNSSEC - if (option_bool(OPT_DNSSEC_VALID) && !checking_disabled && (last_server->flags & SERV_DO_DNSSEC)) -@@ -2175,9 +2122,7 @@ static struct frec *allocate_frec(time_t - f->sentto = NULL; - f->rfd4 = NULL; - f->flags = 0; --#ifdef HAVE_IPV6 - f->rfd6 = NULL; --#endif - #ifdef HAVE_DNSSEC - f->dependent = NULL; - f->blocking_query = NULL; -@@ -2237,11 +2182,8 @@ static void free_frec(struct frec *f) - f->rfd4 = NULL; - f->sentto = NULL; - f->flags = 0; -- --#ifdef HAVE_IPV6 - free_rfd(f->rfd6); - f->rfd6 = NULL; --#endif - - #ifdef HAVE_DNSSEC - if (f->stash) ---- a/src/helper.c -+++ b/src/helper.c -@@ -64,9 +64,7 @@ struct script_data - #ifdef HAVE_TFTP - off_t file_len; - #endif --#ifdef HAVE_IPV6 - struct in6_addr addr6; --#endif - #ifdef HAVE_DHCP6 - int iaid, vendorclass_count; - #endif -@@ -302,10 +300,8 @@ int create_helper(int event_fd, int err_ - - if (!is6) - inet_ntop(AF_INET, &data.addr, daemon->addrbuff, ADDRSTRLEN); --#ifdef HAVE_IPV6 - else - inet_ntop(AF_INET6, &data.addr6, daemon->addrbuff, ADDRSTRLEN); --#endif - - #ifdef HAVE_TFTP - /* file length */ -@@ -826,10 +822,8 @@ void queue_tftp(off_t file_len, char *fi - - if ((buf->flags = peer->sa.sa_family) == AF_INET) - buf->addr = peer->in.sin_addr; --#ifdef HAVE_IPV6 - else - buf->addr6 = peer->in6.sin6_addr; --#endif - - memcpy((unsigned char *)(buf+1), filename, filename_len); - -@@ -851,10 +845,8 @@ void queue_arp(int action, unsigned char - buf->hwaddr_type = ARPHRD_ETHER; - if ((buf->flags = family) == AF_INET) - buf->addr = addr->addr.addr4; --#ifdef HAVE_IPV6 - else - buf->addr6 = addr->addr.addr6; --#endif - - memcpy(buf->hwaddr, mac, maclen); - ---- a/src/ipset.c -+++ b/src/ipset.c -@@ -120,13 +120,8 @@ static int new_add_to_ipset(const char * - struct my_nfgenmsg *nfg; - struct my_nlattr *nested[2]; - uint8_t proto; -- int addrsz = INADDRSZ; -+ int addrsz = (af == AF_INET6) ? INADDRSZ : IN6ADDRSZ; - --#ifdef HAVE_IPV6 -- if (af == AF_INET6) -- addrsz = IN6ADDRSZ; --#endif -- - if (strlen(setname) >= IPSET_MAXNAMELEN) - { - errno = ENAMETOOLONG; -@@ -213,7 +208,6 @@ int add_to_ipset(const char *setname, co - { - int ret = 0, af = AF_INET; - --#ifdef HAVE_IPV6 - if (flags & F_IPV6) - { - af = AF_INET6; -@@ -224,7 +218,6 @@ int add_to_ipset(const char *setname, co - ret = -1; - } - } --#endif - - if (ret != -1) - ret = old_kernel ? old_add_to_ipset(setname, ipaddr, remove) : new_add_to_ipset(setname, ipaddr, af, remove); ---- a/src/netlink.c -+++ b/src/netlink.c -@@ -51,11 +51,10 @@ void netlink_init(void) - addr.nl_groups = RTMGRP_IPV4_ROUTE; - if (option_bool(OPT_CLEVERBIND)) - addr.nl_groups |= RTMGRP_IPV4_IFADDR; --#ifdef HAVE_IPV6 - addr.nl_groups |= RTMGRP_IPV6_ROUTE; - if (option_bool(OPT_CLEVERBIND)) - addr.nl_groups |= RTMGRP_IPV6_IFADDR; --#endif -+ - #ifdef HAVE_DHCP6 - if (daemon->doing_ra || daemon->doing_dhcp6) - addr.nl_groups |= RTMGRP_IPV6_IFADDR; -@@ -235,7 +234,6 @@ int iface_enumerate(int family, void *pa - if (!((*callback)(addr, ifa->ifa_index, label, netmask, broadcast, parm))) - callback_ok = 0; - } --#ifdef HAVE_IPV6 - else if (ifa->ifa_family == AF_INET6) - { - struct in6_addr *addrp = NULL; -@@ -270,7 +268,6 @@ int iface_enumerate(int family, void *pa - (int) preferred, (int)valid, parm))) - callback_ok = 0; - } --#endif - } - } - else if (h->nlmsg_type == RTM_NEWNEIGH && family == AF_UNSPEC) ---- a/src/network.c -+++ b/src/network.c -@@ -137,12 +137,10 @@ int iface_check(int family, struct all_a - if (family == AF_INET && - tmp->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr) - ret = match_addr = tmp->used = 1; --#ifdef HAVE_IPV6 - else if (family == AF_INET6 && - IN6_ARE_ADDR_EQUAL(&tmp->addr.in6.sin6_addr, - &addr->addr.addr6)) - ret = match_addr = tmp->used = 1; --#endif - } - } - -@@ -162,11 +160,9 @@ int iface_check(int family, struct all_a - else if (addr && tmp->addr.sa.sa_family == AF_INET && family == AF_INET && - tmp->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr) - break; --#ifdef HAVE_IPV6 - else if (addr && tmp->addr.sa.sa_family == AF_INET6 && family == AF_INET6 && - IN6_ARE_ADDR_EQUAL(&tmp->addr.in6.sin6_addr, &addr->addr.addr6)) - break; --#endif - - if (tmp && auth) - { -@@ -200,11 +196,8 @@ int loopback_exception(int fd, int famil - if (iface->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr) - return 1; - } --#ifdef HAVE_IPV6 - else if (IN6_ARE_ADDR_EQUAL(&iface->addr.in6.sin6_addr, &addr->addr.addr6)) - return 1; --#endif -- - } - } - return 0; -@@ -292,19 +285,15 @@ static int iface_allowed(struct iface_pa - al->addr.addr.addr4 = addr->in.sin_addr; - al->flags = 0; - } --#ifdef HAVE_IPV6 - else - { - al->addr.addr.addr6 = addr->in6.sin6_addr; - al->flags = ADDRLIST_IPV6; - } --#endif - } - } - --#ifdef HAVE_IPV6 - if (addr->sa.sa_family != AF_INET6 || !IN6_IS_ADDR_LINKLOCAL(&addr->in6.sin6_addr)) --#endif - { - struct interface_name *int_name; - struct addrlist *al; -@@ -337,7 +326,6 @@ static int iface_allowed(struct iface_pa - } - } - --#ifdef HAVE_IPV6 - if (addr->sa.sa_family == AF_INET6 && (name->flags & AUTH6)) - { - if (param->spare) -@@ -357,8 +345,6 @@ static int iface_allowed(struct iface_pa - al->flags = ADDRLIST_IPV6; - } - } --#endif -- - } - #endif - -@@ -386,7 +372,6 @@ static int iface_allowed(struct iface_pa - al->addr.addr.addr4 = addr->in.sin_addr; - al->flags = 0; - } --#ifdef HAVE_IPV6 - else - { - al->addr.addr.addr6 = addr->in6.sin6_addr; -@@ -396,7 +381,6 @@ static int iface_allowed(struct iface_pa - if (!(iface_flags & IFACE_PERMANENT) || (iface_flags & (IFACE_DEPRECATED | IFACE_TENTATIVE))) - al->flags |= ADDRLIST_REVONLY; - } --#endif - } - } - } -@@ -438,11 +422,9 @@ static int iface_allowed(struct iface_pa - !iface_check(AF_INET, (struct all_addr *)&addr->in.sin_addr, label, &auth_dns)) - return 1; - --#ifdef HAVE_IPV6 - if (addr->sa.sa_family == AF_INET6 && - !iface_check(AF_INET6, (struct all_addr *)&addr->in6.sin6_addr, label, &auth_dns)) - return 1; --#endif - - #ifdef HAVE_DHCP - /* No DHCP where we're doing auth DNS. */ -@@ -501,7 +483,6 @@ static int iface_allowed(struct iface_pa - return 0; - } - --#ifdef HAVE_IPV6 - static int iface_allowed_v6(struct in6_addr *local, int prefix, - int scope, int if_index, int flags, - int preferred, int valid, void *vparam) -@@ -529,7 +510,6 @@ static int iface_allowed_v6(struct in6_a - - return iface_allowed((struct iface_param *)vparam, if_index, NULL, &addr, netmask, prefix, flags); - } --#endif - - static int iface_allowed_v4(struct in_addr local, int if_index, char *label, - struct in_addr netmask, struct in_addr broadcast, void *vparam) -@@ -633,9 +613,7 @@ int enumerate_interfaces(int reset) - - param.spare = spare; - --#ifdef HAVE_IPV6 - ret = iface_enumerate(AF_INET6, ¶m, iface_allowed_v6); --#endif - - if (ret) - ret = iface_enumerate(AF_INET, ¶m, iface_allowed_v4); -@@ -740,10 +718,8 @@ static int make_sock(union mysockaddr *a - if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1 || !fix_fd(fd)) - goto err; - --#ifdef HAVE_IPV6 - if (family == AF_INET6 && setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt)) == -1) - goto err; --#endif - - if ((rc = bind(fd, (struct sockaddr *)addr, sa_len(addr))) == -1) - goto err; -@@ -767,15 +743,12 @@ static int make_sock(union mysockaddr *a - #endif - } - } --#ifdef HAVE_IPV6 - else if (!set_ipv6pktinfo(fd)) - goto err; --#endif - - return fd; - } - --#ifdef HAVE_IPV6 - int set_ipv6pktinfo(int fd) - { - int opt = 1; -@@ -802,7 +775,6 @@ int set_ipv6pktinfo(int fd) - - return 0; - } --#endif - - - /* Find the interface on which a TCP connection arrived, if possible, or zero otherwise. */ -@@ -842,7 +814,6 @@ int tcp_interface(int fd, int af) - } - } - } --#ifdef HAVE_IPV6 - else - { - /* Only the RFC-2292 API has the ability to find the interface for TCP connections, -@@ -874,7 +845,6 @@ int tcp_interface(int fd, int af) - } - } - } --#endif /* IPV6 */ - #endif /* Linux */ - - return if_index; -@@ -904,7 +874,6 @@ static struct listener *create_listeners - tftpfd = make_sock(addr, SOCK_DGRAM, dienow); - addr->in.sin_port = save; - } --# ifdef HAVE_IPV6 - else - { - short save = addr->in6.sin6_port; -@@ -912,7 +881,6 @@ static struct listener *create_listeners - tftpfd = make_sock(addr, SOCK_DGRAM, dienow); - addr->in6.sin6_port = save; - } --# endif - } - #endif - -@@ -945,11 +913,10 @@ void create_wildcard_listeners(void) - - l = create_listeners(&addr, !!option_bool(OPT_TFTP), 1); - --#ifdef HAVE_IPV6 - memset(&addr, 0, sizeof(addr)); --# ifdef HAVE_SOCKADDR_SA_LEN -+#ifdef HAVE_SOCKADDR_SA_LEN - addr.in6.sin6_len = sizeof(addr.in6); --# endif -+#endif - addr.in6.sin6_family = AF_INET6; - addr.in6.sin6_addr = in6addr_any; - addr.in6.sin6_port = htons(daemon->port); -@@ -959,7 +926,6 @@ void create_wildcard_listeners(void) - l->next = l6; - else - l = l6; --#endif - - daemon->listeners = l; - } -@@ -1159,7 +1125,6 @@ int random_sock(int family) - addr.in.sin_len = sizeof(struct sockaddr_in); - #endif - } --#ifdef HAVE_IPV6 - else - { - addr.in6.sin6_addr = in6addr_any; -@@ -1168,7 +1133,6 @@ int random_sock(int family) - addr.in6.sin6_len = sizeof(struct sockaddr_in6); - #endif - } --#endif - - if (bind(fd, (struct sockaddr *)&addr, sa_len(&addr)) == 0) - return fd; -@@ -1193,10 +1157,8 @@ int local_bind(int fd, union mysockaddr - { - if (addr_copy.sa.sa_family == AF_INET) - addr_copy.in.sin_port = 0; --#ifdef HAVE_IPV6 - else - addr_copy.in6.sin6_port = 0; --#endif - } - - if (bind(fd, (struct sockaddr *)&addr_copy, sa_len(&addr_copy)) == -1) -@@ -1211,7 +1173,7 @@ int local_bind(int fd, union mysockaddr - return setsockopt(fd, IPPROTO_IP, IP_UNICAST_IF, &ifindex_opt, sizeof(ifindex_opt)) == 0; - } - #endif --#if defined(HAVE_IPV6) && defined (IPV6_UNICAST_IF) -+#if defined (IPV6_UNICAST_IF) - if (addr_copy.sa.sa_family == AF_INET6) - { - uint32_t ifindex_opt = htonl(ifindex); -@@ -1247,12 +1209,10 @@ static struct serverfd *allocate_sfd(uni - addr->in.sin_port == htons(0)) - return NULL; - --#ifdef HAVE_IPV6 - if (addr->sa.sa_family == AF_INET6 && - memcmp(&addr->in6.sin6_addr, &in6addr_any, sizeof(in6addr_any)) == 0 && - addr->in6.sin6_port == htons(0)) - return NULL; --#endif - } - - if (intname && strlen(intname) != 0) -@@ -1315,7 +1275,7 @@ void pre_allocate_sfds(void) - #endif - if ((sfd = allocate_sfd(&addr, ""))) - sfd->preallocated = 1; --#ifdef HAVE_IPV6 -+ - memset(&addr, 0, sizeof(addr)); - addr.in6.sin6_family = AF_INET6; - addr.in6.sin6_addr = in6addr_any; -@@ -1325,7 +1285,6 @@ void pre_allocate_sfds(void) - #endif - if ((sfd = allocate_sfd(&addr, ""))) - sfd->preallocated = 1; --#endif - } - - for (srv = daemon->servers; srv; srv = srv->next) -@@ -1658,7 +1617,6 @@ int reload_servers(char *fname) - source_addr.in.sin_addr.s_addr = INADDR_ANY; - source_addr.in.sin_port = htons(daemon->query_port); - } --#ifdef HAVE_IPV6 - else - { - int scope_index = 0; -@@ -1686,10 +1644,6 @@ int reload_servers(char *fname) - else - continue; - } --#else /* IPV6 */ -- else -- continue; --#endif - - add_update_server(SERV_FROM_RESOLV, &addr, &source_addr, NULL, NULL); - gotone = 1; ---- a/src/option.c -+++ b/src/option.c -@@ -764,10 +764,8 @@ static char *parse_mysockaddr(char *arg, - { - if (inet_pton(AF_INET, arg, &addr->in.sin_addr) > 0) - addr->sa.sa_family = AF_INET; --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0) - addr->sa.sa_family = AF_INET6; --#endif - else - return _("bad address"); - -@@ -779,10 +777,8 @@ char *parse_server(char *arg, union myso - int source_port = 0, serv_port = NAMESERVER_PORT; - char *portno, *source; - char *interface_opt = NULL; --#ifdef HAVE_IPV6 - int scope_index = 0; - char *scope_id; --#endif - - if (!arg || strlen(arg) == 0) - { -@@ -800,9 +796,7 @@ char *parse_server(char *arg, union myso - !atoi_check16(portno, &serv_port)) - return _("bad port"); - --#ifdef HAVE_IPV6 - scope_id = split_chr(arg, '%'); --#endif - - if (source) { - interface_opt = split_chr(source, '@'); -@@ -846,7 +840,6 @@ char *parse_server(char *arg, union myso - } - } - } --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0) - { - if (scope_id && (scope_index = if_nametoindex(scope_id)) == 0) -@@ -881,7 +874,6 @@ char *parse_server(char *arg, union myso - } - } - } --#endif - else - return _("bad address"); - -@@ -1914,10 +1906,8 @@ static int one_opt(int option, char *arg - unhide_metas(arg); - if (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0) - new->addr.sa.sa_family = AF_INET; --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) - new->addr.sa.sa_family = AF_INET6; --#endif - else - { - char *fam = split_chr(arg, '/'); -@@ -1927,10 +1917,8 @@ static int one_opt(int option, char *arg - { - if (strcmp(fam, "4") == 0) - new->addr.sa.sa_family = AF_INET; --#ifdef HAVE_IPV6 - else if (strcmp(fam, "6") == 0) - new->addr.sa.sa_family = AF_INET6; --#endif - else - ret_err(gen_err); - } -@@ -1996,14 +1984,12 @@ static int one_opt(int option, char *arg - subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen; - subnet->flags = ADDRLIST_LITERAL; - } --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, arg, &addr.addr.addr6)) - { - subnet = opt_malloc(sizeof(struct addrlist)); - subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen; - subnet->flags = ADDRLIST_LITERAL | ADDRLIST_IPV6; - } --#endif - else - { - struct auth_name_list *name = opt_malloc(sizeof(struct auth_name_list)); -@@ -2015,10 +2001,8 @@ static int one_opt(int option, char *arg - { - if (prefixlen == 4) - name->flags &= ~AUTH6; --#ifdef HAVE_IPV6 - else if (prefixlen == 6) - name->flags &= ~AUTH4; --#endif - else - ret_err(gen_err); - } -@@ -2139,7 +2123,6 @@ static int one_opt(int option, char *arg - } - } - } --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, comma, &new->start6)) - { - u64 mask = (1LLU << (128 - msize)) - 1LLU; -@@ -2183,7 +2166,6 @@ static int one_opt(int option, char *arg - } - } - } --#endif - else - ret_err(gen_err); - } -@@ -2201,7 +2183,6 @@ static int one_opt(int option, char *arg - else if (!inet_pton(AF_INET, arg, &new->end)) - ret_err(gen_err); - } --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, comma, &new->start6)) - { - new->is6 = 1; -@@ -2210,7 +2191,6 @@ static int one_opt(int option, char *arg - else if (!inet_pton(AF_INET6, arg, &new->end6)) - ret_err(gen_err); - } --#endif - else - ret_err(gen_err); - -@@ -2369,7 +2349,6 @@ static int one_opt(int option, char *arg - new->addr.in.sin_len = sizeof(new->addr.in); - #endif - } --#ifdef HAVE_IPV6 - else if (arg && inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) - { - new->addr.sa.sa_family = AF_INET6; -@@ -2380,7 +2359,6 @@ static int one_opt(int option, char *arg - new->addr.in6.sin6_len = sizeof(new->addr.in6); - #endif - } --#endif - else - ret_err(gen_err); - -@@ -2493,9 +2471,7 @@ static int one_opt(int option, char *arg - int size; - struct server *serv; - struct in_addr addr4; --#ifdef HAVE_IPV6 - struct in6_addr addr6; --#endif - - unhide_metas(arg); - if (!arg || !(comma=split(arg)) || !(string = split_chr(arg, '/')) || !atoi_check(string, &size)) -@@ -2507,10 +2483,8 @@ static int one_opt(int option, char *arg - if (!serv) - ret_err(_("bad prefix")); - } --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, arg, &addr6)) - serv = add_rev6(&addr6, size); --#endif - else - ret_err(gen_err); - -@@ -3863,10 +3837,8 @@ err: - { - if (strcmp(arg, "4") == 0) - new->family = AF_INET; --#ifdef HAVE_IPV6 - else if (strcmp(arg, "6") == 0) - new->family = AF_INET6; --#endif - else - ret_err(gen_err); - } -@@ -4156,10 +4128,8 @@ err: - new->ttl = atoi(arg); - else if (inet_pton(AF_INET, arg, &addr)) - new->addr = addr.addr.addr4; --#ifdef HAVE_IPV6 - else if (inet_pton(AF_INET6, arg, &addr)) - new->addr6 = addr.addr.addr6; --#endif - else - { - int nomem; -@@ -4866,10 +4836,8 @@ void read_opts(int argc, char **argv, ch - { - if (tmp->source_addr.sa.sa_family == AF_INET) - tmp->source_addr.in.sin_port = htons(daemon->query_port); --#ifdef HAVE_IPV6 - else if (tmp->source_addr.sa.sa_family == AF_INET6) - tmp->source_addr.in6.sin6_port = htons(daemon->query_port); --#endif - } - } - -@@ -4930,10 +4898,8 @@ void read_opts(int argc, char **argv, ch - for(tmp = daemon->if_addrs; tmp; tmp = tmp->next) - if (tmp->addr.sa.sa_family == AF_INET) - tmp->addr.in.sin_port = htons(daemon->port); --#ifdef HAVE_IPV6 - else if (tmp->addr.sa.sa_family == AF_INET6) - tmp->addr.in6.sin6_port = htons(daemon->port); --#endif /* IPv6 */ - } - - /* create default, if not specified */ ---- a/src/rfc1035.c -+++ b/src/rfc1035.c -@@ -198,7 +198,6 @@ int in_arpa_name_2_addr(char *namein, st - - return F_IPV4; - } --#ifdef HAVE_IPV6 - else if (hostname_isequal(penchunk, "ip6") && - (hostname_isequal(lastchunk, "int") || hostname_isequal(lastchunk, "arpa"))) - { -@@ -243,7 +242,6 @@ int in_arpa_name_2_addr(char *namein, st - return F_IPV6; - } - } --#endif - - return 0; - } -@@ -426,7 +424,6 @@ int private_net(struct in_addr addr, int - ((ip_addr & 0xFFFFFFFF) == 0xFFFFFFFF) /* 255.255.255.255/32 (broadcast)*/ ; - } - --#ifdef HAVE_IPV6 - static int private_net6(struct in6_addr *a) - { - return -@@ -436,8 +433,6 @@ static int private_net6(struct in6_addr - ((unsigned char *)a)[0] == 0xfd || /* RFC 6303 4.4 */ - ((u32 *)a)[0] == htonl(0x20010db8); /* RFC 6303 4.6 */ - } --#endif -- - - static unsigned char *do_doctor(unsigned char *p, int count, struct dns_header *header, size_t qlen, char *name, int *doctored) - { -@@ -738,13 +733,11 @@ int extract_addresses(struct dns_header - addrlen = INADDRSZ; - flags |= F_IPV4; - } --#ifdef HAVE_IPV6 - else if (qtype == T_AAAA) - { - addrlen = IN6ADDRSZ; - flags |= F_IPV6; - } --#endif - else - continue; - -@@ -818,7 +811,6 @@ int extract_addresses(struct dns_header - private_net(addr.addr.addr4, !option_bool(OPT_LOCAL_REBIND))) - return 1; - --#ifdef HAVE_IPV6 - if ((flags & F_IPV6) && - IN6_IS_ADDR_V4MAPPED(&addr.addr.addr6)) - { -@@ -827,7 +819,6 @@ int extract_addresses(struct dns_header - if (private_net(v4, !option_bool(OPT_LOCAL_REBIND))) - return 1; - } --#endif - } - - #ifdef HAVE_IPSET -@@ -966,7 +957,6 @@ size_t setup_reply(struct dns_header *he - add_resource_record(header, NULL, NULL, sizeof(struct dns_header), &p, ttl, NULL, T_A, C_IN, "4", addrp); - } - --#ifdef HAVE_IPV6 - if (flags & F_IPV6) - { - SET_RCODE(header, NOERROR); -@@ -974,7 +964,6 @@ size_t setup_reply(struct dns_header *he - header->hb3 |= HB3_AA; - add_resource_record(header, NULL, NULL, sizeof(struct dns_header), &p, ttl, NULL, T_AAAA, C_IN, "6", addrp); - } --#endif - } - else /* nowhere to forward to */ - { -@@ -1164,14 +1153,12 @@ int add_resource_record(struct dns_heade - for (; *format; format++) - switch (*format) - { --#ifdef HAVE_IPV6 - case '6': - CHECK_LIMIT(IN6ADDRSZ); - sval = va_arg(ap, char *); - memcpy(p, sval, IN6ADDRSZ); - p += IN6ADDRSZ; - break; --#endif - - case '4': - CHECK_LIMIT(INADDRSZ); -@@ -1413,7 +1400,6 @@ size_t answer_request(struct dns_header - while (intr->next && strcmp(intr->intr, intr->next->intr) == 0) - intr = intr->next; - } --#ifdef HAVE_IPV6 - else if (is_arpa == F_IPV6) - for (intr = daemon->int_names; intr; intr = intr->next) - { -@@ -1429,7 +1415,6 @@ size_t answer_request(struct dns_header - while (intr->next && strcmp(intr->intr, intr->next->intr) == 0) - intr = intr->next; - } --#endif - - if (intr) - { -@@ -1521,9 +1506,7 @@ size_t answer_request(struct dns_header - } - } - else if (option_bool(OPT_BOGUSPRIV) && ( --#ifdef HAVE_IPV6 - (is_arpa == F_IPV6 && private_net6(&addr.addr.addr6)) || --#endif - (is_arpa == F_IPV4 && private_net(addr.addr.addr4, 1)))) - { - struct server *serv; -@@ -1564,16 +1547,9 @@ size_t answer_request(struct dns_header - - for (flag = F_IPV4; flag; flag = (flag == F_IPV4) ? F_IPV6 : 0) - { -- unsigned short type = T_A; -+ unsigned short type = (flag == F_IPV6) ? T_AAAA : T_A; - struct interface_name *intr; - -- if (flag == F_IPV6) --#ifdef HAVE_IPV6 -- type = T_AAAA; --#else -- break; --#endif -- - if (qtype != type && qtype != T_ANY) - continue; - -@@ -1596,31 +1572,26 @@ size_t answer_request(struct dns_header - for (intr = daemon->int_names; intr; intr = intr->next) - if (hostname_isequal(name, intr->name)) - for (addrlist = intr->addr; addrlist; addrlist = addrlist->next) --#ifdef HAVE_IPV6 -- if (!(addrlist->flags & ADDRLIST_IPV6)) --#endif -- if (is_same_net(*((struct in_addr *)&addrlist->addr), local_addr, local_netmask)) -- { -- localise = 1; -- break; -- } -+ if (!(addrlist->flags & ADDRLIST_IPV6) && -+ is_same_net(*((struct in_addr *)&addrlist->addr), local_addr, local_netmask)) -+ { -+ localise = 1; -+ break; -+ } - - for (intr = daemon->int_names; intr; intr = intr->next) - if (hostname_isequal(name, intr->name)) - { - for (addrlist = intr->addr; addrlist; addrlist = addrlist->next) --#ifdef HAVE_IPV6 - if (((addrlist->flags & ADDRLIST_IPV6) ? T_AAAA : T_A) == type) --#endif - { - if (localise && - !is_same_net(*((struct in_addr *)&addrlist->addr), local_addr, local_netmask)) - continue; - --#ifdef HAVE_IPV6 - if (addrlist->flags & ADDRLIST_REVONLY) - continue; --#endif -+ - ans = 1; - sec_data = 0; - if (!dryrun) -@@ -1904,11 +1875,8 @@ size_t answer_request(struct dns_header - crecp = NULL; - while ((crecp = cache_find_by_name(crecp, rec->target, now, F_IPV4 | F_IPV6))) - { --#ifdef HAVE_IPV6 - int type = crecp->flags & F_IPV4 ? T_A : T_AAAA; --#else -- int type = T_A; --#endif -+ - if (crecp->flags & F_NEG) - continue; - ---- a/src/tables.c -+++ b/src/tables.c -@@ -108,7 +108,7 @@ int add_to_ipset(const char *setname, co - my_syslog(LOG_INFO, _("info: table created")); - - bzero(&addr, sizeof(addr)); --#ifdef HAVE_IPV6 -+ - if (flags & F_IPV6) - { - addr.pfra_af = AF_INET6; -@@ -116,7 +116,6 @@ int add_to_ipset(const char *setname, co - memcpy(&(addr.pfra_ip6addr), &(ipaddr->addr), sizeof(struct in6_addr)); - } - else --#endif - { - addr.pfra_af = AF_INET; - addr.pfra_net = 0x20; ---- a/src/tftp.c -+++ b/src/tftp.c -@@ -60,17 +60,11 @@ void tftp_request(struct listener *liste - char *prefix = daemon->tftp_prefix; - struct tftp_prefix *pref; - struct all_addr addra; --#ifdef HAVE_IPV6 - /* Can always get recvd interface for IPv6 */ - int check_dest = !option_bool(OPT_NOWILD) || listen->family == AF_INET6; --#else -- int check_dest = !option_bool(OPT_NOWILD); --#endif - union { - struct cmsghdr align; /* this ensures alignment */ --#ifdef HAVE_IPV6 - char control6[CMSG_SPACE(sizeof(struct in6_pktinfo))]; --#endif - #if defined(HAVE_LINUX_NETWORK) - char control[CMSG_SPACE(sizeof(struct in_pktinfo))]; - #elif defined(HAVE_SOLARIS_NETWORK) -@@ -174,7 +168,6 @@ void tftp_request(struct listener *liste - - #endif - --#ifdef HAVE_IPV6 - if (listen->family == AF_INET6) - { - for (cmptr = CMSG_FIRSTHDR(&msg); cmptr; cmptr = CMSG_NXTHDR(&msg, cmptr)) -@@ -190,7 +183,6 @@ void tftp_request(struct listener *liste - if_index = p.p->ipi6_ifindex; - } - } --#endif - - if (!indextoname(listen->tftpfd, if_index, namebuff)) - return; -@@ -199,10 +191,8 @@ void tftp_request(struct listener *liste - - addra.addr.addr4 = addr.in.sin_addr; - --#ifdef HAVE_IPV6 - if (listen->family == AF_INET6) - addra.addr.addr6 = addr.in6.sin6_addr; --#endif - - if (daemon->tftp_interfaces) - { -@@ -262,7 +252,6 @@ void tftp_request(struct listener *liste - addr.in.sin_len = sizeof(addr.in); - #endif - } --#ifdef HAVE_IPV6 - else - { - addr.in6.sin6_port = htons(port); -@@ -272,7 +261,6 @@ void tftp_request(struct listener *liste - addr.in6.sin6_len = sizeof(addr.in6); - #endif - } --#endif - - if (!(transfer = whine_malloc(sizeof(struct tftp_transfer)))) - return; -@@ -310,10 +298,9 @@ void tftp_request(struct listener *liste - { - if (listen->family == AF_INET) - addr.in.sin_port = htons(port); --#ifdef HAVE_IPV6 - else -- addr.in6.sin6_port = htons(port); --#endif -+ addr.in6.sin6_port = htons(port); -+ - continue; - } - my_syslog(MS_TFTP | LOG_ERR, _("unable to get free port for TFTP")); ---- a/src/util.c -+++ b/src/util.c -@@ -320,13 +320,12 @@ int sockaddr_isequal(union mysockaddr *s - s1->in.sin_port == s2->in.sin_port && - s1->in.sin_addr.s_addr == s2->in.sin_addr.s_addr) - return 1; --#ifdef HAVE_IPV6 -+ - if (s1->sa.sa_family == AF_INET6 && - s1->in6.sin6_port == s2->in6.sin6_port && - s1->in6.sin6_scope_id == s2->in6.sin6_scope_id && - IN6_ARE_ADDR_EQUAL(&s1->in6.sin6_addr, &s2->in6.sin6_addr)) - return 1; --#endif - } - return 0; - } -@@ -336,11 +335,9 @@ int sa_len(union mysockaddr *addr) - #ifdef HAVE_SOCKADDR_SA_LEN - return addr->sa.sa_len; - #else --#ifdef HAVE_IPV6 - if (addr->sa.sa_family == AF_INET6) - return sizeof(addr->in6); - else --#endif - return sizeof(addr->in); - #endif - } -@@ -437,7 +434,6 @@ int is_same_net(struct in_addr a, struct - return (a.s_addr & mask.s_addr) == (b.s_addr & mask.s_addr); - } - --#ifdef HAVE_IPV6 - int is_same_net6(struct in6_addr *a, struct in6_addr *b, int prefixlen) - { - int pfbytes = prefixlen >> 3; -@@ -476,15 +472,12 @@ void setaddr6part(struct in6_addr *addr, - } - } - --#endif -- - - /* returns port number from address */ - int prettyprint_addr(union mysockaddr *addr, char *buf) - { - int port = 0; - --#ifdef HAVE_IPV6 - if (addr->sa.sa_family == AF_INET) - { - inet_ntop(AF_INET, &addr->in.sin_addr, buf, ADDRSTRLEN); -@@ -503,10 +496,6 @@ int prettyprint_addr(union mysockaddr *a - } - port = ntohs(addr->in6.sin6_port); - } --#else -- strcpy(buf, inet_ntoa(addr->in.sin_addr)); -- port = ntohs(addr->in.sin_port); --#endif - - return port; - } diff --git a/package/network/services/dnsmasq/patches/0004-Don-t-forward-.bind-.server-queries-upstream.patch b/package/network/services/dnsmasq/patches/0004-Don-t-forward-.bind-.server-queries-upstream.patch deleted file mode 100644 index 497b4c3df2..0000000000 --- a/package/network/services/dnsmasq/patches/0004-Don-t-forward-.bind-.server-queries-upstream.patch +++ /dev/null @@ -1,52 +0,0 @@ -From cf5984367bc6a949e3803a576512c5a7bc48ebab Mon Sep 17 00:00:00 2001 -From: Vladislav Grishenko <themiron@mail.ru> -Date: Thu, 18 Oct 2018 04:55:21 +0500 -Subject: [PATCH 04/11] Don't forward *.bind/*.server queries upstream - -Chaos .bind and .server (RFC4892) zones are local, therefore -don't forward queries upstream to avoid mixing with supported -locally and false replies with NO_ID enabled. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/rfc1035.c | 15 ++++++++++++++- - 1 file changed, 14 insertions(+), 1 deletion(-) - ---- a/src/rfc1035.c -+++ b/src/rfc1035.c -@@ -1276,7 +1276,7 @@ size_t answer_request(struct dns_header - int q, ans, anscount = 0, addncount = 0; - int dryrun = 0; - struct crec *crecp; -- int nxdomain = 0, auth = 1, trunc = 0, sec_data = 1; -+ int nxdomain = 0, notimp = 0, auth = 1, trunc = 0, sec_data = 1; - struct mx_srv_record *rec; - size_t len; - -@@ -1355,6 +1355,17 @@ size_t answer_request(struct dns_header - } - } - -+ if (qclass == C_CHAOS) -+ { -+ /* don't forward *.bind and *.server chaos queries */ -+ if (hostname_issubdomain("bind", name) || hostname_issubdomain("server", name)) -+ { -+ if (!ans) -+ notimp = 1, auth = 0; -+ ans = 1; -+ } -+ } -+ - if (qclass == C_IN) - { - struct txt_record *t; -@@ -1903,6 +1914,8 @@ size_t answer_request(struct dns_header - - if (nxdomain) - SET_RCODE(header, NXDOMAIN); -+ else if (notimp) -+ SET_RCODE(header, NOTIMP); - else - SET_RCODE(header, NOERROR); /* no error */ - header->ancount = htons(anscount); diff --git a/package/network/services/dnsmasq/patches/0005-Fix-logging-in-cf5984367bc6a949e3803a576512c5a7bc48e.patch b/package/network/services/dnsmasq/patches/0005-Fix-logging-in-cf5984367bc6a949e3803a576512c5a7bc48e.patch deleted file mode 100644 index b9be306118..0000000000 --- a/package/network/services/dnsmasq/patches/0005-Fix-logging-in-cf5984367bc6a949e3803a576512c5a7bc48e.patch +++ /dev/null @@ -1,63 +0,0 @@ -From cbb5b17ad8e03e08ade62376a4f6a2066e55960d Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Tue, 23 Oct 2018 23:45:57 +0100 -Subject: [PATCH 05/11] Fix logging in cf5984367bc6a949e3803a576512c5a7bc48ebab - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/rfc1035.c | 27 ++++++++++++++++++--------- - 1 file changed, 18 insertions(+), 9 deletions(-) - ---- a/src/rfc1035.c -+++ b/src/rfc1035.c -@@ -1335,7 +1335,6 @@ size_t answer_request(struct dns_header - { - unsigned long ttl = daemon->local_ttl; - int ok = 1; -- log_query(F_CONFIG | F_RRNAME, name, NULL, "<TXT>"); - #ifndef NO_ID - /* Dynamically generate stat record */ - if (t->stat != 0) -@@ -1345,11 +1344,14 @@ size_t answer_request(struct dns_header - ok = 0; - } - #endif -- if (ok && add_resource_record(header, limit, &trunc, nameoffset, &ansp, -- ttl, NULL, -- T_TXT, t->class, "t", t->len, t->txt)) -- anscount++; -- -+ if (ok) -+ { -+ log_query(F_CONFIG | F_RRNAME, name, NULL, "<TXT>"); -+ if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, -+ ttl, NULL, -+ T_TXT, t->class, "t", t->len, t->txt)) -+ anscount++; -+ } - } - } - } -@@ -1357,12 +1359,19 @@ size_t answer_request(struct dns_header - - if (qclass == C_CHAOS) - { -- /* don't forward *.bind and *.server chaos queries */ -+ /* don't forward *.bind and *.server chaos queries - always reply with NOTIMP */ - if (hostname_issubdomain("bind", name) || hostname_issubdomain("server", name)) - { - if (!ans) -- notimp = 1, auth = 0; -- ans = 1; -+ { -+ notimp = 1, auth = 0; -+ if (!dryrun) -+ { -+ addr.addr.rcode.rcode = NOTIMP; -+ log_query(F_CONFIG | F_RCODE, name, &addr, NULL); -+ } -+ ans = 1; -+ } - } - } - diff --git a/package/network/services/dnsmasq/patches/0006-Fix-spurious-AD-flags-in-some-DNS-replies-from-local.patch b/package/network/services/dnsmasq/patches/0006-Fix-spurious-AD-flags-in-some-DNS-replies-from-local.patch deleted file mode 100644 index 3271a5f3af..0000000000 --- a/package/network/services/dnsmasq/patches/0006-Fix-spurious-AD-flags-in-some-DNS-replies-from-local.patch +++ /dev/null @@ -1,120 +0,0 @@ -From 6f7812d97bc8f87004c0a5069c6c94c64af78106 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Tue, 23 Oct 2018 23:54:44 +0100 -Subject: [PATCH 06/11] Fix spurious AD flags in some DNS replies from local - config. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/rfc1035.c | 42 ++++++++++++++++++++++++------------------ - 1 file changed, 24 insertions(+), 18 deletions(-) - ---- a/src/rfc1035.c -+++ b/src/rfc1035.c -@@ -1330,7 +1330,7 @@ size_t answer_request(struct dns_header - { - if (t->class == qclass && hostname_isequal(name, t->name)) - { -- ans = 1; -+ ans = 1, sec_data = 0; - if (!dryrun) - { - unsigned long ttl = daemon->local_ttl; -@@ -1370,7 +1370,7 @@ size_t answer_request(struct dns_header - addr.addr.rcode.rcode = NOTIMP; - log_query(F_CONFIG | F_RCODE, name, &addr, NULL); - } -- ans = 1; -+ ans = 1, sec_data = 0; - } - } - } -@@ -1725,7 +1725,7 @@ size_t answer_request(struct dns_header - } - else if (is_name_synthetic(flag, name, &addr)) - { -- ans = 1; -+ ans = 1, sec_data = 0; - if (!dryrun) - { - log_query(F_FORWARD | F_CONFIG | flag, name, &addr, NULL); -@@ -1763,25 +1763,27 @@ size_t answer_request(struct dns_header - for (rec = daemon->mxnames; rec; rec = rec->next) - if (!rec->issrv && hostname_isequal(name, rec->name)) - { -- ans = found = 1; -- if (!dryrun) -- { -- int offset; -- log_query(F_CONFIG | F_RRNAME, name, NULL, "<MX>"); -- if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, daemon->local_ttl, -- &offset, T_MX, C_IN, "sd", rec->weight, rec->target)) -- { -- anscount++; -- if (rec->target) -- rec->offset = offset; -- } -- } -+ ans = found = 1; -+ sec_data = 0; -+ if (!dryrun) -+ { -+ int offset; -+ log_query(F_CONFIG | F_RRNAME, name, NULL, "<MX>"); -+ if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, daemon->local_ttl, -+ &offset, T_MX, C_IN, "sd", rec->weight, rec->target)) -+ { -+ anscount++; -+ if (rec->target) -+ rec->offset = offset; -+ } -+ } - } - - if (!found && (option_bool(OPT_SELFMX) || option_bool(OPT_LOCALMX)) && - cache_find_by_name(NULL, name, now, F_HOSTS | F_DHCP | F_NO_RR)) - { - ans = 1; -+ sec_data = 0; - if (!dryrun) - { - log_query(F_CONFIG | F_RRNAME, name, NULL, "<MX>"); -@@ -1802,6 +1804,7 @@ size_t answer_request(struct dns_header - if (rec->issrv && hostname_isequal(name, rec->name)) - { - found = ans = 1; -+ sec_data = 0; - if (!dryrun) - { - int offset; -@@ -1838,6 +1841,7 @@ size_t answer_request(struct dns_header - if (!found && option_bool(OPT_FILTER) && (qtype == T_SRV || (qtype == T_ANY && strchr(name, '_')))) - { - ans = 1; -+ sec_data = 0; - if (!dryrun) - log_query(F_CONFIG | F_NEG, name, NULL, NULL); - } -@@ -1850,6 +1854,7 @@ size_t answer_request(struct dns_header - if (hostname_isequal(name, na->name)) - { - ans = 1; -+ sec_data = 0; - if (!dryrun) - { - log_query(F_CONFIG | F_RRNAME, name, NULL, "<NAPTR>"); -@@ -1862,11 +1867,12 @@ size_t answer_request(struct dns_header - } - - if (qtype == T_MAILB) -- ans = 1, nxdomain = 1; -+ ans = 1, nxdomain = 1, sec_data = 0; - - if (qtype == T_SOA && option_bool(OPT_FILTER)) - { -- ans = 1; -+ ans = 1; -+ sec_data = 0; - if (!dryrun) - log_query(F_CONFIG | F_NEG, name, &addr, NULL); - } diff --git a/package/network/services/dnsmasq/patches/0007-Do-not-rely-on-dead-code-elimination-use-array-inste.patch b/package/network/services/dnsmasq/patches/0007-Do-not-rely-on-dead-code-elimination-use-array-inste.patch deleted file mode 100644 index 55ea917c39..0000000000 --- a/package/network/services/dnsmasq/patches/0007-Do-not-rely-on-dead-code-elimination-use-array-inste.patch +++ /dev/null @@ -1,71 +0,0 @@ -From 24b87607c1353e94689e8a2190571ab3f3b36f31 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com> -Date: Wed, 24 Oct 2018 22:30:18 +0100 -Subject: [PATCH 07/11] Do not rely on dead code elimination, use array - instead. Make options bits derived from size and count. Use size of option - bits and last supported bit in computation. No new change would be required - when new options are added. Just change OPT_LAST constant. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/dnsmasq.h | 11 +++++++---- - src/option.c | 10 ++-------- - 2 files changed, 9 insertions(+), 12 deletions(-) - ---- a/src/dnsmasq.h -+++ b/src/dnsmasq.h -@@ -200,9 +200,6 @@ struct event_desc { - #define EC_MISC 5 - #define EC_INIT_OFFSET 10 - --/* Trust the compiler dead-code eliminator.... */ --#define option_bool(x) (((x) < 32) ? daemon->options & (1u << (x)) : daemon->options2 & (1u << ((x) - 32))) -- - #define OPT_BOGUSPRIV 0 - #define OPT_FILTER 1 - #define OPT_LOG 2 -@@ -264,6 +261,12 @@ struct event_desc { - #define OPT_UBUS 58 - #define OPT_LAST 59 - -+#define OPTION_BITS (sizeof(unsigned int)*8) -+#define OPTION_SIZE ( (OPT_LAST/OPTION_BITS)+((OPT_LAST%OPTION_BITS)!=0) ) -+#define option_var(x) (daemon->options[(x) / OPTION_BITS]) -+#define option_val(x) ((1u) << ((x) % OPTION_BITS)) -+#define option_bool(x) (option_var(x) & option_val(x)) -+ - /* extra flags for my_syslog, we use a couple of facilities since they are known - not to occupy the same bits as priorities, no matter how syslog.h is set up. */ - #define MS_TFTP LOG_USER -@@ -978,7 +981,7 @@ extern struct daemon { - config file arguments. All set (including defaults) - in option.c */ - -- unsigned int options, options2; -+ unsigned int options[OPTION_SIZE]; - struct resolvc default_resolv, *resolv_files; - time_t last_resolv; - char *servers_file; ---- a/src/option.c -+++ b/src/option.c -@@ -1490,18 +1490,12 @@ static int parse_dhcp_opt(char *errstr, - - void set_option_bool(unsigned int opt) - { -- if (opt < 32) -- daemon->options |= 1u << opt; -- else -- daemon->options2 |= 1u << (opt - 32); -+ option_var(opt) |= option_val(opt); - } - - void reset_option_bool(unsigned int opt) - { -- if (opt < 32) -- daemon->options &= ~(1u << opt); -- else -- daemon->options2 &= ~(1u << (opt - 32)); -+ option_var(opt) &= ~(option_val(opt)); - } - - static int one_opt(int option, char *arg, char *errstr, char *gen_err, int command_line, int servers_only) diff --git a/package/network/services/dnsmasq/patches/0008-Fix-Makefile-lines-generating-UBUS-linker-config.patch b/package/network/services/dnsmasq/patches/0008-Fix-Makefile-lines-generating-UBUS-linker-config.patch deleted file mode 100644 index 91b465fd1c..0000000000 --- a/package/network/services/dnsmasq/patches/0008-Fix-Makefile-lines-generating-UBUS-linker-config.patch +++ /dev/null @@ -1,63 +0,0 @@ -From 3a5a84cdd1488bad118eeac72d09a60299bca744 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Wed, 31 Oct 2018 21:30:13 +0000 -Subject: [PATCH 08/11] Fix Makefile lines generating UBUS linker config. - -If arg2 of pkg-wrapper is "--copy", then arg1 is NOT the name of -the package manager (--copy doesn't invoke it) it's a secondary -config string that inhibts the copy if found. This patch allows that -to be the empty string, for unconditional copy, and modifies the -ubus linker config to use it. It worked by coincidence before, because -there was no config string called "pkg-config". - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - Makefile | 2 +- - bld/pkg-wrapper | 14 ++++++++------ - 2 files changed, 9 insertions(+), 7 deletions(-) - ---- a/Makefile -+++ b/Makefile -@@ -53,7 +53,7 @@ top?=$(CURDIR) - - dbus_cflags = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DBUS $(PKG_CONFIG) --cflags dbus-1` - dbus_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DBUS $(PKG_CONFIG) --libs dbus-1` --ubus_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_UBUS $(PKG_CONFIG) --copy -lubox -lubus` -+ubus_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_UBUS "" --copy -lubox -lubus` - idn_cflags = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_IDN $(PKG_CONFIG) --cflags libidn` - idn_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_IDN $(PKG_CONFIG) --libs libidn` - idn2_cflags = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_LIBIDN2 $(PKG_CONFIG) --cflags libidn2` ---- a/bld/pkg-wrapper -+++ b/bld/pkg-wrapper -@@ -11,23 +11,25 @@ in=`cat` - - if grep "^\#[[:space:]]*define[[:space:]]*$search" config.h >/dev/null 2>&1 || \ - echo $in | grep $search >/dev/null 2>&1; then --# Nasty, nasty, in --copy, arg 2 is another config to search for, use with NO_GMP -+# Nasty, nasty, in --copy, arg 2 (if non-empty) is another config to search for, used with NO_GMP - if [ $op = "--copy" ]; then -- if grep "^\#[[:space:]]*define[[:space:]]*$pkg" config.h >/dev/null 2>&1 || \ -- echo $in | grep $pkg >/dev/null 2>&1; then -+ if [ -z "$pkg" ]; then -+ pkg="$*" -+ elif grep "^\#[[:space:]]*define[[:space:]]*$pkg" config.h >/dev/null 2>&1 || \ -+ echo $in | grep $pkg >/dev/null 2>&1; then - pkg="" - else - pkg="$*" - fi - elif grep "^\#[[:space:]]*define[[:space:]]*${search}_STATIC" config.h >/dev/null 2>&1 || \ -- echo $in | grep ${search}_STATIC >/dev/null 2>&1; then -+ echo $in | grep ${search}_STATIC >/dev/null 2>&1; then - pkg=`$pkg --static $op $*` - else - pkg=`$pkg $op $*` - fi -- -+ - if grep "^\#[[:space:]]*define[[:space:]]*${search}_STATIC" config.h >/dev/null 2>&1 || \ -- echo $in | grep ${search}_STATIC >/dev/null 2>&1; then -+ echo $in | grep ${search}_STATIC >/dev/null 2>&1; then - if [ $op = "--libs" ] || [ $op = "--copy" ]; then - echo "-Wl,-Bstatic $pkg -Wl,-Bdynamic" - else diff --git a/package/network/services/dnsmasq/patches/0009-Revert-68f6312d4bae30b78daafcd6f51dc441b8685b1e.patch b/package/network/services/dnsmasq/patches/0009-Revert-68f6312d4bae30b78daafcd6f51dc441b8685b1e.patch deleted file mode 100644 index ff9ddd842c..0000000000 --- a/package/network/services/dnsmasq/patches/0009-Revert-68f6312d4bae30b78daafcd6f51dc441b8685b1e.patch +++ /dev/null @@ -1,41 +0,0 @@ -From 122392e0b352507cabb9e982208d35d2e56902e0 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Wed, 31 Oct 2018 22:24:02 +0000 -Subject: [PATCH 09/11] Revert 68f6312d4bae30b78daafcd6f51dc441b8685b1e - -The above is intended to increase robustness, but actually does the -opposite. The problem is that by ignoring SERVFAIL messages and hoping -for a better answer from another of the servers we've forwarded to, -we become vulnerable in the case that one or more of the configured -servers is down or not responding. - -Consider the case that a domain is indeed BOGUS, and we've send the -query to n servers. With 68f6312d4bae30b78daafcd6f51dc441b8685b1e -we ignore the first n-1 SERVFAIL replies, and only return the -final n'th answer to the client. Now, if one of the servers we are -forwarding to is down, then we won't get all n replies, and the -client will never get an answer! This is a far more likely scenario -than a temporary SERVFAIL from only one of a set of notionally identical -servers, so, on the ground of robustness, we have to believe -any SERVFAIL answers we get, and return them to the client. - -The client could be using the same recursive servers we are, -so it should, in theory, retry on SERVFAIL anyway. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/forward.c | 3 +-- - 1 file changed, 1 insertion(+), 2 deletions(-) - ---- a/src/forward.c -+++ b/src/forward.c -@@ -957,8 +957,7 @@ void reply_query(int fd, int family, tim - we get a good reply from another server. Kill it when we've - had replies from all to avoid filling the forwarding table when - everything is broken */ -- if (forward->forwardall == 0 || --forward->forwardall == 1 || -- (RCODE(header) != REFUSED && RCODE(header) != SERVFAIL)) -+ if (forward->forwardall == 0 || --forward->forwardall == 1 || RCODE(header) != REFUSED) - { - int check_rebind = 0, no_cache_dnssec = 0, cache_secure = 0, bogusanswer = 0; - diff --git a/package/network/services/dnsmasq/patches/0010-Remove-the-NO_FORK-compile-time-option-and-support-f.patch b/package/network/services/dnsmasq/patches/0010-Remove-the-NO_FORK-compile-time-option-and-support-f.patch deleted file mode 100644 index 1110d4c5fa..0000000000 --- a/package/network/services/dnsmasq/patches/0010-Remove-the-NO_FORK-compile-time-option-and-support-f.patch +++ /dev/null @@ -1,199 +0,0 @@ -From 48d12f14c9c0fc8cf943b52774c3892517dd72d4 Mon Sep 17 00:00:00 2001 -From: Simon Kelley <simon@thekelleys.org.uk> -Date: Fri, 2 Nov 2018 21:55:04 +0000 -Subject: [PATCH 10/11] Remove the NO_FORK compile-time option, and support for - uclinux. - -In an era where everything has an MMU, this looks like -an anachronism, and it adds to (Ok, multiplies!) the -combinatorial explosion of compile-time options. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - CHANGELOG | 6 ++++++ - src/config.h | 21 ++------------------- - src/dnsmasq.c | 14 -------------- - src/option.c | 4 +--- - 4 files changed, 9 insertions(+), 36 deletions(-) - ---- a/CHANGELOG -+++ b/CHANGELOG -@@ -11,6 +11,12 @@ version 2.81 - This fix passes cache entries back from the TCP child process to - the main server process, and fixes the problem. - -+ Remove the NO_FORK compile-time option, and support for uclinux. -+ In an era where everything has an MMU, this looks like -+ an anachronism, and it adds to (Ok, multiplies!) the -+ combinatorial explosion of compile-time options. Thanks to -+ Kevin Darbyshire-Bryant for the patch. -+ - - version 2.80 - Add support for RFC 4039 DHCP rapid commit. Thanks to Ashram Method ---- a/src/config.h -+++ b/src/config.h -@@ -239,27 +239,13 @@ HAVE_SOCKADDR_SA_LEN - defined if struct sockaddr has sa_len field (*BSD) - */ - --/* Must precede __linux__ since uClinux defines __linux__ too. */ --#if defined(__uClinux__) --#define HAVE_LINUX_NETWORK --#define HAVE_GETOPT_LONG --#undef HAVE_SOCKADDR_SA_LEN --/* Never use fork() on uClinux. Note that this is subtly different from the -- --keep-in-foreground option, since it also suppresses forking new -- processes for TCP connections and disables the call-a-script on leasechange -- system. It's intended for use on MMU-less kernels. */ --#define NO_FORK -- --#elif defined(__UCLIBC__) -+#if defined(__UCLIBC__) - #define HAVE_LINUX_NETWORK - #if defined(__UCLIBC_HAS_GNU_GETOPT__) || \ - ((__UCLIBC_MAJOR__==0) && (__UCLIBC_MINOR__==9) && (__UCLIBC_SUBLEVEL__<21)) - # define HAVE_GETOPT_LONG - #endif - #undef HAVE_SOCKADDR_SA_LEN --#if !defined(__ARCH_HAS_MMU__) && !defined(__UCLIBC_HAS_MMU__) --# define NO_FORK --#endif - #if defined(__UCLIBC_HAS_IPV6__) - # ifndef IPV6_V6ONLY - # define IPV6_V6ONLY 26 -@@ -328,7 +314,7 @@ HAVE_SOCKADDR_SA_LEN - #define HAVE_DHCP - #endif - --#if defined(NO_SCRIPT) || defined(NO_FORK) -+#if defined(NO_SCRIPT) - #undef HAVE_SCRIPT - #undef HAVE_LUASCRIPT - #endif -@@ -372,9 +358,6 @@ static char *compile_opts = - #ifdef HAVE_BROKEN_RTC - "no-RTC " - #endif --#ifdef NO_FORK --"no-MMU " --#endif - #ifndef HAVE_DBUS - "no-" - #endif ---- a/src/dnsmasq.c -+++ b/src/dnsmasq.c -@@ -485,7 +485,6 @@ int main (int argc, char **argv) - if (chdir("/") != 0) - die(_("cannot chdir to filesystem root: %s"), NULL, EC_MISC); - --#ifndef NO_FORK - if (!option_bool(OPT_NO_FORK)) - { - pid_t pid; -@@ -525,7 +524,6 @@ int main (int argc, char **argv) - if (pid != 0) - _exit(0); - } --#endif - - /* write pidfile _after_ forking ! */ - if (daemon->runfile) -@@ -1628,12 +1626,10 @@ static int set_dns_listeners(time_t now) - - } - --#ifndef NO_FORK - if (!option_bool(OPT_DEBUG)) - for (i = 0; i < MAX_PROCS; i++) - if (daemon->tcp_pipes[i] != -1) - poll_listen(daemon->tcp_pipes[i], POLLIN); --#endif - - return wait; - } -@@ -1643,9 +1639,7 @@ static void check_dns_listeners(time_t n - struct serverfd *serverfdp; - struct listener *listener; - int i; --#ifndef NO_FORK - int pipefd[2]; --#endif - - for (serverfdp = daemon->sfds; serverfdp; serverfdp = serverfdp->next) - if (poll_check(serverfdp->fd, POLLIN)) -@@ -1657,7 +1651,6 @@ static void check_dns_listeners(time_t n - poll_check(daemon->randomsocks[i].fd, POLLIN)) - reply_query(daemon->randomsocks[i].fd, daemon->randomsocks[i].family, now); - --#ifndef NO_FORK - /* Races. The child process can die before we read all of the data from the - pipe, or vice versa. Therefore send tcp_pids to zero when we wait() the - process, and tcp_pipes to -1 and close the FD when we read the last -@@ -1674,7 +1667,6 @@ static void check_dns_listeners(time_t n - close(daemon->tcp_pipes[i]); - daemon->tcp_pipes[i] = -1; - } --#endif - - for (listener = daemon->listeners; listener; listener = listener->next) - { -@@ -1768,7 +1760,6 @@ static void check_dns_listeners(time_t n - shutdown(confd, SHUT_RDWR); - while (retry_send(close(confd))); - } --#ifndef NO_FORK - else if (!option_bool(OPT_DEBUG) && pipe(pipefd) == 0 && (p = fork()) != 0) - { - close(pipefd[1]); /* parent needs read pipe end. */ -@@ -1791,7 +1782,6 @@ static void check_dns_listeners(time_t n - /* The child can use up to TCP_MAX_QUERIES ids, so skip that many. */ - daemon->log_id += TCP_MAX_QUERIES; - } --#endif - else - { - unsigned char *buff; -@@ -1811,7 +1801,6 @@ static void check_dns_listeners(time_t n - auth_dns = 0; - } - --#ifndef NO_FORK - /* Arrange for SIGALRM after CHILD_LIFETIME seconds to - terminate the process. */ - if (!option_bool(OPT_DEBUG)) -@@ -1820,7 +1809,6 @@ static void check_dns_listeners(time_t n - close(pipefd[0]); /* close read end in child. */ - daemon->pipe_to_parent = pipefd[1]; - } --#endif - - /* start with no upstream connections. */ - for (s = daemon->servers; s; s = s->next) -@@ -1846,13 +1834,11 @@ static void check_dns_listeners(time_t n - shutdown(s->tcpfd, SHUT_RDWR); - while (retry_send(close(s->tcpfd))); - } --#ifndef NO_FORK - if (!option_bool(OPT_DEBUG)) - { - flush_log(); - _exit(0); - } --#endif - } - } - } ---- a/src/option.c -+++ b/src/option.c -@@ -1828,9 +1828,7 @@ static int one_opt(int option, char *arg - /* Sorry about the gross pre-processor abuse */ - case '6': /* --dhcp-script */ - case LOPT_LUASCRIPT: /* --dhcp-luascript */ --# if defined(NO_FORK) -- ret_err(_("cannot run scripts under uClinux")); --# elif !defined(HAVE_SCRIPT) -+# if !defined(HAVE_SCRIPT) - ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts")); - # else - if (option == LOPT_LUASCRIPT) diff --git a/package/network/services/dnsmasq/patches/0011-Free-config-file-values-on-parsing-errors.patch b/package/network/services/dnsmasq/patches/0011-Free-config-file-values-on-parsing-errors.patch deleted file mode 100644 index 3ba971fe72..0000000000 --- a/package/network/services/dnsmasq/patches/0011-Free-config-file-values-on-parsing-errors.patch +++ /dev/null @@ -1,1199 +0,0 @@ -From 59e470381f84f2fdf0640c7bc67827f3f0c64784 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com> -Date: Fri, 2 Nov 2018 22:39:39 +0000 -Subject: [PATCH 11/11] Free config file values on parsing errors. - -This time I have a little bit more controversal patches. But I think -still useful. They fixes memory leaks that might occur in some cases. -Most dnsmasq errors is fatal, so it does not matter. But some are not. -Some parts are reloaded on SIGHUP signal, so it might leak more than once. - -Some example when it changes the failures. Use dhcp-options file with -this content: - -tag:error,vendor:redhat -option:ntp-server,1.2.3.4.5 -option6:ntp-server,[:::] - -Is not fatal and dnsmasq will start. On each reload command, it would -leak some memory. I validated it using valgrind --leak-check=full -dnsmasq -d. This patch fixes it. It introduces something that might be -considered constructor and destructor of selected structures. - -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - src/option.c | 533 ++++++++++++++++++++++++++++++++++----------------- - 1 file changed, 352 insertions(+), 181 deletions(-) - ---- a/src/option.c -+++ b/src/option.c -@@ -577,14 +577,15 @@ static void *opt_malloc(size_t size) - return ret; - } - --static char *opt_string_alloc(char *cp) -+static char *opt_string_alloc(const char *cp) - { - char *ret = NULL; -+ size_t len; - -- if (cp && strlen(cp) != 0) -+ if (cp && (len = strlen(cp)) != 0) - { -- ret = opt_malloc(strlen(cp)+1); -- strcpy(ret, cp); -+ ret = opt_malloc(len+1); -+ memcpy(ret, cp, len+1); - - /* restore hidden metachars */ - unhide_metas(ret); -@@ -759,6 +760,8 @@ static void do_usage(void) - } - - #define ret_err(x) do { strcpy(errstr, (x)); return 0; } while (0) -+#define ret_err_free(x,m) do { strcpy(errstr, (x)); free((m)); return 0; } while (0) -+#define goto_err(x) do { strcpy(errstr, (x)); goto on_error; } while (0) - - static char *parse_mysockaddr(char *arg, union mysockaddr *addr) - { -@@ -904,6 +907,8 @@ static struct server *add_rev4(struct in - p += sprintf(p, "%d.", (a >> 24) & 0xff); - break; - default: -+ free(serv->domain); -+ free(serv); - return NULL; - } - -@@ -958,6 +963,97 @@ static char *set_prefix(char *arg) - return arg; - } - -+static struct dhcp_netid * -+dhcp_netid_create(const char *net, struct dhcp_netid *next) -+{ -+ struct dhcp_netid *tt; -+ tt = opt_malloc(sizeof (struct dhcp_netid)); -+ tt->net = opt_string_alloc(net); -+ tt->next = next; -+ return tt; -+} -+ -+static void dhcp_netid_free(struct dhcp_netid *nid) -+{ -+ while (nid) -+ { -+ struct dhcp_netid *tmp = nid; -+ nid = nid->next; -+ free(tmp->net); -+ free(tmp); -+ } -+} -+ -+/* Parse one or more tag:s before parameters. -+ * Moves arg to the end of tags. */ -+static struct dhcp_netid * dhcp_tags(char **arg) -+{ -+ struct dhcp_netid *id = NULL; -+ -+ while (is_tag_prefix(*arg)) -+ { -+ char *comma = split(*arg); -+ id = dhcp_netid_create((*arg)+4, id); -+ *arg = comma; -+ }; -+ if (!*arg) -+ { -+ dhcp_netid_free(id); -+ id = NULL; -+ } -+ return id; -+} -+ -+static void dhcp_netid_list_free(struct dhcp_netid_list *netid) -+{ -+ while (netid) -+ { -+ struct dhcp_netid_list *tmplist = netid; -+ netid = netid->next; -+ dhcp_netid_free(tmplist->list); -+ free(tmplist); -+ } -+} -+ -+static void dhcp_config_free(struct dhcp_config *config) -+{ -+ if (config) -+ { -+ struct hwaddr_config *hwaddr = config->hwaddr; -+ while (hwaddr) -+ { -+ struct hwaddr_config *tmp = hwaddr; -+ hwaddr = hwaddr->next; -+ free(tmp); -+ } -+ dhcp_netid_list_free(config->netid); -+ if (config->flags & CONFIG_CLID) -+ free(config->clid); -+ free(config); -+ } -+} -+ -+static void dhcp_context_free(struct dhcp_context *ctx) -+{ -+ if (ctx) -+ { -+ dhcp_netid_free(ctx->filter); -+ free(ctx->netid.net); -+ free(ctx->template_interface); -+ free(ctx); -+ } -+} -+ -+static void dhcp_opt_free(struct dhcp_opt *opt) -+{ -+ if (opt->flags & DHOPT_VENDOR) -+ free(opt->u.vendor_class); -+ dhcp_netid_free(opt->netid); -+ free(opt->val); -+ free(opt); -+} -+ -+ - /* This is too insanely large to keep in-line in the switch */ - static int parse_dhcp_opt(char *errstr, char *arg, int flags) - { -@@ -965,7 +1061,6 @@ static int parse_dhcp_opt(char *errstr, - char lenchar = 0, *cp; - int addrs, digs, is_addr, is_addr6, is_hex, is_dec, is_string, dots; - char *comma = NULL; -- struct dhcp_netid *np = NULL; - u16 opt_len = 0; - int is6 = 0; - int option_ok = 0; -@@ -1052,14 +1147,9 @@ static int parse_dhcp_opt(char *errstr, - } - else - { -- new->netid = opt_malloc(sizeof (struct dhcp_netid)); - /* allow optional "net:" or "tag:" for consistency */ -- if (is_tag_prefix(arg)) -- new->netid->net = opt_string_alloc(arg+4); -- else -- new->netid->net = opt_string_alloc(set_prefix(arg)); -- new->netid->next = np; -- np = new->netid; -+ const char *name = (is_tag_prefix(arg)) ? arg+4 : set_prefix(arg); -+ new->netid = dhcp_netid_create(name, new->netid); - } - - arg = comma; -@@ -1069,7 +1159,7 @@ static int parse_dhcp_opt(char *errstr, - if (is6) - { - if (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE)) -- ret_err(_("unsupported encapsulation for IPv6 option")); -+ goto_err(_("unsupported encapsulation for IPv6 option")); - - if (opt_len == 0 && - !(new->flags & DHOPT_RFC3925)) -@@ -1083,7 +1173,7 @@ static int parse_dhcp_opt(char *errstr, - - /* option may be missing with rfc3925 match */ - if (!option_ok) -- ret_err(_("bad dhcp-option")); -+ goto_err(_("bad dhcp-option")); - - if (comma) - { -@@ -1151,10 +1241,10 @@ static int parse_dhcp_opt(char *errstr, - is_string = is_dec = is_hex = 0; - - if (!is6 && (!is_addr || dots == 0)) -- ret_err(_("bad IP address")); -+ goto_err(_("bad IP address")); - - if (is6 && !is_addr6) -- ret_err(_("bad IPv6 address")); -+ goto_err(_("bad IPv6 address")); - } - /* or names */ - else if (opt_len & (OT_NAME | OT_RFC1035_NAME | OT_CSTRING)) -@@ -1247,7 +1337,7 @@ static int parse_dhcp_opt(char *errstr, - comma = split(cp); - slash = split_chr(cp, '/'); - if (!inet_pton(AF_INET, cp, &in)) -- ret_err(_("bad IPv4 address")); -+ goto_err(_("bad IPv4 address")); - if (!slash) - { - memcpy(op, &in, INADDRSZ); -@@ -1292,8 +1382,8 @@ static int parse_dhcp_opt(char *errstr, - op += IN6ADDRSZ; - continue; - } -- -- ret_err(_("bad IPv6 address")); -+ -+ goto_err(_("bad IPv6 address")); - } - new->len = op - new->val; - } -@@ -1320,7 +1410,7 @@ static int parse_dhcp_opt(char *errstr, - if (strcmp (arg, ".") != 0) - { - if (!(dom = canonicalise_opt(arg))) -- ret_err(_("bad domain in dhcp-option")); -+ goto_err(_("bad domain in dhcp-option")); - - domlen = strlen(dom) + 2; - } -@@ -1414,7 +1504,7 @@ static int parse_dhcp_opt(char *errstr, - { - char *dom = canonicalise_opt(arg); - if (!dom) -- ret_err(_("bad domain in dhcp-option")); -+ goto_err(_("bad domain in dhcp-option")); - - newp = opt_malloc(len + strlen(dom) + 2); - -@@ -1452,14 +1542,14 @@ static int parse_dhcp_opt(char *errstr, - ((new->len > 255) || - (new->len > 253 && (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE))) || - (new->len > 250 && (new->flags & DHOPT_RFC3925)))) -- ret_err(_("dhcp-option too long")); -+ goto_err(_("dhcp-option too long")); - - if (flags == DHOPT_MATCH) - { - if ((new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR)) || - !new->netid || - new->netid->next) -- ret_err(_("illegal dhcp-match")); -+ goto_err(_("illegal dhcp-match")); - - if (is6) - { -@@ -1484,6 +1574,9 @@ static int parse_dhcp_opt(char *errstr, - } - - return 1; -+on_error: -+ dhcp_opt_free(new); -+ return 0; - } - - #endif -@@ -1498,6 +1591,16 @@ void reset_option_bool(unsigned int opt) - option_var(opt) &= ~(option_val(opt)); - } - -+static void server_list_free(struct server *list) -+{ -+ while (list) -+ { -+ struct server *tmp = list; -+ list = list->next; -+ free(tmp); -+ } -+} -+ - static int one_opt(int option, char *arg, char *errstr, char *gen_err, int command_line, int servers_only) - { - int i; -@@ -1679,13 +1782,13 @@ static int one_opt(int option, char *arg - /* has subnet+len */ - err = parse_mysockaddr(arg, &new->addr); - if (err) -- ret_err(err); -+ ret_err_free(err, new); - if (!atoi_check(end, &new->mask)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - new->addr_used = 1; - } - else if (!atoi_check(arg, &new->mask)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - - daemon->add_subnet4 = new; - -@@ -1697,15 +1800,15 @@ static int one_opt(int option, char *arg - /* has subnet+len */ - err = parse_mysockaddr(comma, &new->addr); - if (err) -- ret_err(err); -+ ret_err_free(err, new); - if (!atoi_check(end, &new->mask)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - new->addr_used = 1; - } - else - { - if (!atoi_check(comma, &new->mask)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - } - - daemon->add_subnet6 = new; -@@ -1912,7 +2015,10 @@ static int one_opt(int option, char *arg - else if (strcmp(fam, "6") == 0) - new->addr.sa.sa_family = AF_INET6; - else -- ret_err(gen_err); -+ { -+ free(new->name); -+ ret_err_free(gen_err, new); -+ } - } - } - new->next = daemon->authinterface; -@@ -2077,7 +2183,7 @@ static int one_opt(int option, char *arg - - arg = split(netpart); - if (!atoi_check(netpart, &msize)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - else if (inet_pton(AF_INET, comma, &new->start)) - { - int mask = (1 << (32 - msize)) - 1; -@@ -2090,18 +2196,18 @@ static int one_opt(int option, char *arg - { - if (!(new->prefix = canonicalise_opt(arg)) || - strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) -- ret_err(_("bad prefix")); -+ ret_err_free(_("bad prefix"), new); - } - else if (strcmp(arg, "local") != 0 || - (msize != 8 && msize != 16 && msize != 24)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - else - { - /* generate the equivalent of - local=/xxx.yyy.zzz.in-addr.arpa/ */ - struct server *serv = add_rev4(new->start, msize); - if (!serv) -- ret_err(_("bad prefix")); -+ ret_err_free(_("bad prefix"), new); - - serv->flags |= SERV_NO_ADDR; - -@@ -2130,17 +2236,17 @@ static int one_opt(int option, char *arg - setaddr6part(&new->end6, addrpart | mask); - - if (msize < 64) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - else if (arg) - { - if (option != 's') - { - if (!(new->prefix = canonicalise_opt(arg)) || - strlen(new->prefix) > MAXLABEL - INET6_ADDRSTRLEN) -- ret_err(_("bad prefix")); -+ ret_err_free(_("bad prefix"), new); - } - else if (strcmp(arg, "local") != 0 || ((msize & 4) != 0)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - else - { - /* generate the equivalent of -@@ -2159,7 +2265,7 @@ static int one_opt(int option, char *arg - } - } - else -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - } - else - { -@@ -2173,7 +2279,7 @@ static int one_opt(int option, char *arg - if (!arg) - new->end.s_addr = new->start.s_addr; - else if (!inet_pton(AF_INET, arg, &new->end)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - } - else if (inet_pton(AF_INET6, comma, &new->start6)) - { -@@ -2181,16 +2287,16 @@ static int one_opt(int option, char *arg - if (!arg) - memcpy(&new->end6, &new->start6, IN6ADDRSZ); - else if (!inet_pton(AF_INET6, arg, &new->end6)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - } - else -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - - if (option != 's' && prefstr) - { - if (!(new->prefix = canonicalise_opt(prefstr)) || - strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) -- ret_err(_("bad prefix")); -+ ret_err_free(_("bad prefix"), new); - } - } - -@@ -2352,7 +2458,7 @@ static int one_opt(int option, char *arg - #endif - } - else -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - - new->used = 0; - if (option == 'a') -@@ -2423,7 +2529,10 @@ static int one_opt(int option, char *arg - { - newlist->flags |= SERV_LITERAL_ADDRESS; - if (!(newlist->flags & SERV_TYPE)) -- ret_err(gen_err); -+ { -+ server_list_free(newlist); -+ ret_err(gen_err); -+ } - } - else if (option == LOPT_NO_REBIND) - newlist->flags |= SERV_NO_REBIND; -@@ -2440,7 +2549,10 @@ static int one_opt(int option, char *arg - { - char *err = parse_server(arg, &newlist->addr, &newlist->source_addr, newlist->interface, &newlist->flags); - if (err) -- ret_err(err); -+ { -+ server_list_free(newlist); -+ ret_err(err); -+ } - } - - serv = newlist; -@@ -2776,21 +2888,19 @@ static int one_opt(int option, char *arg - { - if (is_tag_prefix(arg)) - { -- struct dhcp_netid *tt = opt_malloc(sizeof (struct dhcp_netid)); -- tt->net = opt_string_alloc(arg+4); -- tt->next = new->filter; - /* ignore empty tag */ -- if (tt->net) -- new->filter = tt; -+ if (arg[4]) -+ new->filter = dhcp_netid_create(arg+4, new->filter); - } - else - { - if (new->netid.net) -- ret_err(_("only one tag allowed")); -- else if (strstr(arg, "set:") == arg) -- new->netid.net = opt_string_alloc(arg+4); -+ { -+ dhcp_context_free(new); -+ ret_err(_("only one tag allowed")); -+ } - else -- new->netid.net = opt_string_alloc(arg); -+ new->netid.net = opt_string_alloc(set_prefix(arg)); - } - arg = comma; - } -@@ -2806,7 +2916,10 @@ static int one_opt(int option, char *arg - break; - - if (k < 2) -- ret_err(_("bad dhcp-range")); -+ { -+ dhcp_context_free(new); -+ ret_err(_("bad dhcp-range")); -+ } - - if (inet_pton(AF_INET, a[0], &new->start)) - { -@@ -2818,7 +2931,10 @@ static int one_opt(int option, char *arg - else if (strcmp(a[1], "proxy") == 0) - new->flags |= CONTEXT_PROXY; - else if (!inet_pton(AF_INET, a[1], &new->end)) -- ret_err(_("bad dhcp-range")); -+ { -+ dhcp_context_free(new); -+ ret_err(_("bad dhcp-range")); -+ } - - if (ntohl(new->start.s_addr) > ntohl(new->end.s_addr)) - { -@@ -2833,7 +2949,10 @@ static int one_opt(int option, char *arg - new->flags |= CONTEXT_NETMASK; - leasepos = 3; - if (!is_same_net(new->start, new->end, new->netmask)) -- ret_err(_("inconsistent DHCP range")); -+ { -+ dhcp_context_free(new); -+ ret_err(_("inconsistent DHCP range")); -+ } - - - if (k >= 4 && strchr(a[3], '.') && -@@ -2847,6 +2966,8 @@ static int one_opt(int option, char *arg - #ifdef HAVE_DHCP6 - else if (inet_pton(AF_INET6, a[0], &new->start6)) - { -+ const char *err = NULL; -+ - new->flags |= CONTEXT_V6; - new->prefix = 64; /* default */ - new->end6 = new->start6; -@@ -2892,19 +3013,24 @@ static int one_opt(int option, char *arg - } - } - -- if (new->prefix != 64) -+ if (new->prefix > 64) - { - if (new->flags & CONTEXT_RA) -- ret_err(_("prefix length must be exactly 64 for RA subnets")); -+ err=(_("prefix length must be exactly 64 for RA subnets")); - else if (new->flags & CONTEXT_TEMPLATE) -- ret_err(_("prefix length must be exactly 64 for subnet constructors")); -+ err=(_("prefix length must be exactly 64 for subnet constructors")); - } -- -- if (new->prefix < 64) -- ret_err(_("prefix length must be at least 64")); -+ else if (new->prefix < 64) -+ err=(_("prefix length must be at least 64")); - -- if (!is_same_net6(&new->start6, &new->end6, new->prefix)) -- ret_err(_("inconsistent DHCPv6 range")); -+ if (!err && !is_same_net6(&new->start6, &new->end6, new->prefix)) -+ err=(_("inconsistent DHCPv6 range")); -+ -+ if (err) -+ { -+ dhcp_context_free(new); -+ ret_err(err); -+ } - - /* dhcp-range=:: enables DHCP stateless on any interface */ - if (IN6_IS_ADDR_UNSPECIFIED(&new->start6) && !(new->flags & CONTEXT_TEMPLATE)) -@@ -2915,7 +3041,10 @@ static int one_opt(int option, char *arg - struct in6_addr zero; - memset(&zero, 0, sizeof(zero)); - if (!is_same_net6(&zero, &new->start6, new->prefix)) -- ret_err(_("prefix must be zero with \"constructor:\" argument")); -+ { -+ dhcp_context_free(new); -+ ret_err(_("prefix must be zero with \"constructor:\" argument")); -+ } - } - - if (addr6part(&new->start6) > addr6part(&new->end6)) -@@ -2927,12 +3056,18 @@ static int one_opt(int option, char *arg - } - #endif - else -- ret_err(_("bad dhcp-range")); -+ { -+ dhcp_context_free(new); -+ ret_err(_("bad dhcp-range")); -+ } - - if (leasepos < k) - { - if (leasepos != k-1) -- ret_err(_("bad dhcp-range")); -+ { -+ dhcp_context_free(new); -+ ret_err(_("bad dhcp-range")); -+ } - - if (strcmp(a[leasepos], "infinite") == 0) - new->lease_time = 0xffffffff; -@@ -2971,7 +3106,7 @@ static int one_opt(int option, char *arg - break; - - if (*cp || (leasepos+1 < k)) -- ret_err(_("bad dhcp-range")); -+ ret_err_free(_("bad dhcp-range"), new); - - new->lease_time = atoi(a[leasepos]) * fac; - /* Leases of a minute or less confuse -@@ -2998,6 +3133,7 @@ static int one_opt(int option, char *arg - new->flags = (option == LOPT_BANK) ? CONFIG_BANK : 0; - new->hwaddr = NULL; - new->netid = NULL; -+ new->clid = NULL; - - if ((a[0] = arg)) - for (k = 1; k < 7; k++) -@@ -3028,7 +3164,10 @@ static int one_opt(int option, char *arg - } - - if (len == -1) -- ret_err(_("bad hex constant")); -+ { -+ dhcp_config_free(new); -+ ret_err(_("bad hex constant")); -+ } - else if ((new->clid = opt_malloc(len))) - { - new->flags |= CONFIG_CLID; -@@ -3040,17 +3179,17 @@ static int one_opt(int option, char *arg - /* dhcp-host has strange backwards-compat needs. */ - else if (strstr(arg, "net:") == arg || strstr(arg, "set:") == arg) - { -- struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); - struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); -- newtag->net = opt_malloc(strlen(arg + 4) + 1); - newlist->next = new->netid; - new->netid = newlist; -- newlist->list = newtag; -- strcpy(newtag->net, arg+4); -- unhide_metas(newtag->net); -+ newlist->list = dhcp_netid_create(arg+4, NULL); - } - else if (strstr(arg, "tag:") == arg) -- ret_err(_("cannot match tags in --dhcp-host")); -+ { -+ -+ dhcp_config_free(new); -+ ret_err(_("cannot match tags in --dhcp-host")); -+ } - #ifdef HAVE_DHCP6 - else if (arg[0] == '[' && arg[strlen(arg)-1] == ']') - { -@@ -3058,7 +3197,10 @@ static int one_opt(int option, char *arg - arg++; - - if (!inet_pton(AF_INET6, arg, &new->addr6)) -- ret_err(_("bad IPv6 address")); -+ { -+ dhcp_config_free(new); -+ ret_err(_("bad IPv6 address")); -+ } - - for (i= 0; i < 8; i++) - if (new->addr6.s6_addr[i] != 0) -@@ -3076,10 +3218,13 @@ static int one_opt(int option, char *arg - struct hwaddr_config *newhw = opt_malloc(sizeof(struct hwaddr_config)); - if ((newhw->hwaddr_len = parse_hex(a[j], newhw->hwaddr, DHCP_CHADDR_MAX, - &newhw->wildcard_mask, &newhw->hwaddr_type)) == -1) -- ret_err(_("bad hex constant")); -+ { -+ free(newhw); -+ dhcp_config_free(new); -+ ret_err(_("bad hex constant")); -+ } - else - { -- - newhw->next = new->hwaddr; - new->hwaddr = newhw; - } -@@ -3156,7 +3301,10 @@ static int one_opt(int option, char *arg - { - if (!(new->hostname = canonicalise_opt(a[j])) || - !legal_hostname(new->hostname)) -- ret_err(_("bad DHCP host name")); -+ { -+ dhcp_config_free(new); -+ ret_err(_("bad DHCP host name")); -+ } - - new->flags |= CONFIG_NAME; - new->domain = strip_hostname(new->hostname); -@@ -3209,10 +3357,7 @@ static int one_opt(int option, char *arg - } - else - { -- struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); -- newtag->net = opt_malloc(len - 3); -- strcpy(newtag->net, arg+4); -- unhide_metas(newtag->net); -+ struct dhcp_netid *newtag = dhcp_netid_create(arg+4, NULL); - - if (strstr(arg, "set:") == arg) - { -@@ -3229,7 +3374,7 @@ static int one_opt(int option, char *arg - else - { - new->set = NULL; -- free(newtag); -+ dhcp_netid_free(newtag); - break; - } - } -@@ -3238,7 +3383,11 @@ static int one_opt(int option, char *arg - } - - if (!new->set) -- ret_err(_("bad tag-if")); -+ { -+ dhcp_netid_free(new->tag); -+ dhcp_netid_list_free(new->set); -+ ret_err_free(_("bad tag-if"), new); -+ } - - break; - } -@@ -3281,19 +3430,12 @@ static int one_opt(int option, char *arg - - case 'M': /* --dhcp-boot */ - { -- struct dhcp_netid *id = NULL; -- while (is_tag_prefix(arg)) -- { -- struct dhcp_netid *newid = opt_malloc(sizeof(struct dhcp_netid)); -- newid->next = id; -- id = newid; -- comma = split(arg); -- newid->net = opt_string_alloc(arg+4); -- arg = comma; -- }; -+ struct dhcp_netid *id = dhcp_tags(&arg); - -- if (!arg) -- ret_err(gen_err); -+ if (!id) -+ { -+ ret_err(gen_err); -+ } - else - { - char *dhcp_file, *dhcp_sname = NULL, *tftp_sname = NULL; -@@ -3339,19 +3481,12 @@ static int one_opt(int option, char *arg - - case LOPT_REPLY_DELAY: /* --dhcp-reply-delay */ - { -- struct dhcp_netid *id = NULL; -- while (is_tag_prefix(arg)) -- { -- struct dhcp_netid *newid = opt_malloc(sizeof(struct dhcp_netid)); -- newid->next = id; -- id = newid; -- comma = split(arg); -- newid->net = opt_string_alloc(arg+4); -- arg = comma; -- }; -+ struct dhcp_netid *id = dhcp_tags(&arg); - -- if (!arg) -- ret_err(gen_err); -+ if (!id) -+ { -+ ret_err(gen_err); -+ } - else - { - struct delay_config *new; -@@ -3376,19 +3511,13 @@ static int one_opt(int option, char *arg - - new->netid = NULL; - new->opt = 10; /* PXE_MENU_PROMPT */ -- -- while (is_tag_prefix(arg)) -- { -- struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); -- comma = split(arg); -- nn->next = new->netid; -- new->netid = nn; -- nn->net = opt_string_alloc(arg+4); -- arg = comma; -- } -+ new->netid = dhcp_tags(&arg); - -- if (!arg) -- ret_err(gen_err); -+ if (!new->netid) -+ { -+ dhcp_opt_free(new); -+ ret_err(gen_err); -+ } - else - { - comma = split(arg); -@@ -3424,17 +3553,8 @@ static int one_opt(int option, char *arg - new->netid = NULL; - new->sname = NULL; - new->server.s_addr = 0; -+ new->netid = dhcp_tags(&arg); - -- while (is_tag_prefix(arg)) -- { -- struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); -- comma = split(arg); -- nn->next = new->netid; -- new->netid = nn; -- nn->net = opt_string_alloc(arg+4); -- arg = comma; -- } -- - if (arg && (comma = split(arg))) - { - for (i = 0; CSA[i]; i++) -@@ -3511,7 +3631,10 @@ static int one_opt(int option, char *arg - unhide_metas(comma); - new->hwaddr_len = parse_hex(comma, new->hwaddr, DHCP_CHADDR_MAX, &new->mask, &new->hwaddr_type); - if (new->hwaddr_len == -1) -- ret_err(gen_err); -+ { -+ free(new->netid.net); -+ ret_err_free(gen_err, new); -+ } - else - { - new->next = daemon->dhcp_macs; -@@ -3528,7 +3651,7 @@ static int one_opt(int option, char *arg - - if (!(comma = split(arg)) || - !atoi_check16(comma, &new->class)) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - - new->tag.net = opt_string_alloc(set_prefix(arg)); - new->next = daemon->prefix_classes; -@@ -3550,7 +3673,7 @@ static int one_opt(int option, char *arg - struct dhcp_vendor *new = opt_malloc(sizeof(struct dhcp_vendor)); - - if (!(comma = split(arg))) -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - - new->netid.net = opt_string_alloc(set_prefix(arg)); - /* check for hex string - must digits may include : must not have nothing else, -@@ -3560,7 +3683,10 @@ static int one_opt(int option, char *arg - if ((comma = split(arg))) - { - if (option != 'U' || strstr(arg, "enterprise:") != arg) -- ret_err(gen_err); -+ { -+ free(new->netid.net); -+ ret_err_free(gen_err, new); -+ } - else - new->enterprise = atoi(arg+11); - } -@@ -3662,14 +3788,8 @@ static int one_opt(int option, char *arg - } - - while (arg) { -- struct dhcp_netid *member = opt_malloc(sizeof(struct dhcp_netid)); - comma = split(arg); -- member->next = list; -- list = member; -- if (is_tag_prefix(arg)) -- member->net = opt_string_alloc(arg+4); -- else -- member->net = opt_string_alloc(arg); -+ list = dhcp_netid_create(is_tag_prefix(arg) ? arg+4 :arg, list); - arg = comma; - } - -@@ -3683,7 +3803,7 @@ static int one_opt(int option, char *arg - struct addr_list *new = opt_malloc(sizeof(struct addr_list)); - comma = split(arg); - if (!(inet_pton(AF_INET, arg, &new->addr) > 0)) -- ret_err(_("bad dhcp-proxy address")); -+ ret_err_free(_("bad dhcp-proxy address"), new); - new->next = daemon->override_relays; - daemon->override_relays = new; - arg = comma; -@@ -3709,7 +3829,10 @@ static int one_opt(int option, char *arg - } - #endif - else -- ret_err(_("Bad dhcp-relay")); -+ { -+ free(new->interface); -+ ret_err_free(_("Bad dhcp-relay"), new); -+ } - - break; - } -@@ -3749,8 +3872,11 @@ static int one_opt(int option, char *arg - arg = split(comma); - if (!atoi_check(comma, &new->interval) || - (arg && !atoi_check(arg, &new->lifetime))) -+ { - err: -- ret_err(_("bad RA-params")); -+ free(new->name); -+ ret_err_free(_("bad RA-params"), new); -+ } - - new->next = daemon->ra_interfaces; - daemon->ra_interfaces = new; -@@ -3799,7 +3925,7 @@ err: - (!(inet_pton(AF_INET, dash, &new->end) > 0) || - !is_same_net(new->in, new->end, new->mask) || - ntohl(new->in.s_addr) > ntohl(new->end.s_addr))) -- ret_err(_("invalid alias range")); -+ ret_err_free(_("invalid alias range"), new); - - break; - } -@@ -3832,7 +3958,7 @@ err: - else if (strcmp(arg, "6") == 0) - new->family = AF_INET6; - else -- ret_err(gen_err); -+ ret_err_free(gen_err, new); - } - new->intr = opt_string_alloc(comma); - break; -@@ -3864,11 +3990,19 @@ err: - alias = canonicalise_opt(arg); - - if (!alias || !target) -- ret_err(_("bad CNAME")); -+ { -+ free(target); -+ free(alias); -+ ret_err(_("bad CNAME")); -+ } - - for (new = daemon->cnames; new; new = new->next) - if (hostname_isequal(new->alias, alias)) -- ret_err(_("duplicate CNAME")); -+ { -+ free(target); -+ free(alias); -+ ret_err(_("duplicate CNAME")); -+ } - new = opt_malloc(sizeof(struct cname)); - new->next = daemon->cnames; - daemon->cnames = new; -@@ -3891,7 +4025,11 @@ err: - - if (!(dom = canonicalise_opt(arg)) || - (comma && !(target = canonicalise_opt(comma)))) -- ret_err(_("bad PTR record")); -+ { -+ free(dom); -+ free(target); -+ ret_err(_("bad PTR record")); -+ } - else - { - new = opt_malloc(sizeof(struct ptr_record)); -@@ -3909,7 +4047,7 @@ err: - int k = 0; - struct naptr *new; - int order, pref; -- char *name, *replace = NULL; -+ char *name=NULL, *replace = NULL; - - if ((a[0] = arg)) - for (k = 1; k < 7; k++) -@@ -3922,7 +4060,11 @@ err: - !atoi_check16(a[1], &order) || - !atoi_check16(a[2], &pref) || - (k == 7 && !(replace = canonicalise_opt(a[6])))) -- ret_err(_("bad NAPTR record")); -+ { -+ free(name); -+ free(replace); -+ ret_err(_("bad NAPTR record")); -+ } - else - { - new = opt_malloc(sizeof(struct naptr)); -@@ -3944,22 +4086,26 @@ err: - struct txt_record *new; - size_t len = 0; - char *data; -- int val; -+ int class; - - comma = split(arg); - data = split(comma); - - new = opt_malloc(sizeof(struct txt_record)); -- new->next = daemon->rr; -- daemon->rr = new; -+ new->name = NULL; - -- if (!atoi_check(comma, &val) || -+ if (!atoi_check(comma, &class) || - !(new->name = canonicalise_opt(arg)) || - (data && (len = parse_hex(data, (unsigned char *)data, -1, NULL, NULL)) == -1U)) -- ret_err(_("bad RR record")); -- -- new->class = val; -+ { -+ free(new->name); -+ ret_err_free(_("bad RR record"), new); -+ } -+ - new->len = 0; -+ new->class = class; -+ new->next = daemon->rr; -+ daemon->rr = new; - - if (data) - { -@@ -4011,14 +4157,14 @@ err: - comma = split(arg); - - new = opt_malloc(sizeof(struct txt_record)); -- new->next = daemon->txt; -- daemon->txt = new; - new->class = C_IN; - new->stat = 0; - - if (!(new->name = canonicalise_opt(arg))) -- ret_err(_("bad TXT record")); -+ ret_err_free(_("bad TXT record"), new); - -+ new->next = daemon->txt; -+ daemon->txt = new; - len = comma ? strlen(comma) : 0; - len += (len/255) + 1; /* room for extra counts */ - new->txt = p = opt_malloc(len); -@@ -4065,24 +4211,32 @@ err: - arg = comma; - comma = split(arg); - if (!(target = canonicalise_opt(arg))) -- ret_err(_("bad SRV target")); -+ ret_err_free(_("bad SRV target"), name); - - if (comma) - { - arg = comma; - comma = split(arg); - if (!atoi_check16(arg, &port)) -- ret_err(_("invalid port number")); -+ { -+ free(name); -+ ret_err_free(_("invalid port number"), target); -+ } - - if (comma) - { - arg = comma; - comma = split(arg); - if (!atoi_check16(arg, &priority)) -- ret_err(_("invalid priority")); -- -+ { -+ free(name); -+ ret_err_free(_("invalid priority"), target); -+ } - if (comma && !atoi_check16(comma, &weight)) -- ret_err(_("invalid weight")); -+ { -+ free(name); -+ ret_err_free(_("invalid weight"), target); -+ } - } - } - } -@@ -4101,13 +4255,15 @@ err: - - case LOPT_HOST_REC: /* --host-record */ - { -- struct host_record *new = opt_malloc(sizeof(struct host_record)); -- memset(new, 0, sizeof(struct host_record)); -- new->ttl = -1; -+ struct host_record *new; - - if (!arg || !(comma = split(arg))) - ret_err(_("Bad host-record")); - -+ new = opt_malloc(sizeof(struct host_record)); -+ memset(new, 0, sizeof(struct host_record)); -+ new->ttl = -1; -+ - while (arg) - { - struct all_addr addr; -@@ -4126,10 +4282,19 @@ err: - { - int nomem; - char *canon = canonicalise(arg, &nomem); -- struct name_list *nl = opt_malloc(sizeof(struct name_list)); -+ struct name_list *nl; - if (!canon) -- ret_err(_("Bad name in host-record")); -+ { -+ struct name_list *tmp = new->names, *next; -+ for (tmp = new->names; tmp; tmp = next) -+ { -+ next = tmp->next; -+ free(tmp); -+ } -+ ret_err_free(_("Bad name in host-record"), new); -+ } - -+ nl = opt_malloc(sizeof(struct name_list)); - nl->name = canon; - /* keep order, so that PTR record goes to first name */ - nl->next = NULL; -@@ -4179,6 +4344,7 @@ err: - int len; - - new->class = C_IN; -+ new->name = NULL; - - if ((comma = split(arg)) && (algo = split(comma))) - { -@@ -4203,7 +4369,7 @@ err: - !atoi_check8(algo, &new->algo) || - !atoi_check8(digest, &new->digest_type) || - !(new->name = canonicalise_opt(arg))) -- ret_err(_("bad trust anchor")); -+ ret_err_free(_("bad trust anchor"), new); - - /* Upper bound on length */ - len = (2*strlen(keyhex))+1; -@@ -4217,7 +4383,10 @@ err: - else - cp++; - if ((new->digestlen = parse_hex(keyhex, (unsigned char *)new->digest, len, NULL, NULL)) == -1) -- ret_err(_("bad HEX in trust anchor")); -+ { -+ free(new->name); -+ ret_err_free(_("bad HEX in trust anchor"), new); -+ } - - new->next = daemon->ds; - daemon->ds = new; -@@ -4686,8 +4855,8 @@ void read_opts(int argc, char **argv, ch - size_t argbuf_size = MAXDNAME; - char *argbuf = opt_malloc(argbuf_size); - char *buff = opt_malloc(MAXDNAME); -- int option, conffile_opt = '7', testmode = 0; -- char *arg, *conffile = CONFFILE; -+ int option, testmode = 0; -+ char *arg, *conffile = NULL; - - opterr = 0; - -@@ -4796,7 +4965,8 @@ void read_opts(int argc, char **argv, ch - } - else if (option == 'C') - { -- conffile_opt = 0; /* file must exist */ -+ if (conffile) -+ free(conffile); - conffile = opt_string_alloc(arg); - } - else -@@ -4814,10 +4984,11 @@ void read_opts(int argc, char **argv, ch - - if (conffile) - { -- one_file(conffile, conffile_opt); -- if (conffile_opt == 0) -- free(conffile); -+ one_file(conffile, 0); -+ free(conffile); - } -+ else -+ one_file(CONFFILE, '7'); - - /* port might not be known when the address is parsed - fill in here */ - if (daemon->servers) diff --git a/package/network/services/dnsmasq/patches/110-ipset-remove-old-kernel-support.patch b/package/network/services/dnsmasq/patches/110-ipset-remove-old-kernel-support.patch index f2681e3993..88e334b0fc 100644 --- a/package/network/services/dnsmasq/patches/110-ipset-remove-old-kernel-support.patch +++ b/package/network/services/dnsmasq/patches/110-ipset-remove-old-kernel-support.patch @@ -44,7 +44,7 @@ (buffer = safe_malloc(BUFF_SZ)) && (ipset_sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER)) != -1 && (bind(ipset_sock, (struct sockaddr *)&snl, sizeof(snl)) != -1)) -@@ -211,16 +192,9 @@ int add_to_ipset(const char *setname, co +@@ -217,17 +198,10 @@ int add_to_ipset(const char *setname, co if (flags & F_IPV6) { af = AF_INET6; @@ -55,6 +55,7 @@ - ret = -1; - } } + #endif - if (ret != -1) - ret = old_kernel ? old_add_to_ipset(setname, ipaddr, remove) : new_add_to_ipset(setname, ipaddr, af, remove); |