diff options
Diffstat (limited to 'package/network/services/dnsmasq/patches/0010-Remove-the-NO_FORK-compile-time-option-and-support-f.patch')
| -rw-r--r-- | package/network/services/dnsmasq/patches/0010-Remove-the-NO_FORK-compile-time-option-and-support-f.patch | 199 |
1 files changed, 199 insertions, 0 deletions
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 new file mode 100644 index 0000000000..1110d4c5fa --- /dev/null +++ b/package/network/services/dnsmasq/patches/0010-Remove-the-NO_FORK-compile-time-option-and-support-f.patch @@ -0,0 +1,199 @@ +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) |