diff options
| -rw-r--r-- | package/utils/busybox/Makefile | 2 | ||||
| -rw-r--r-- | package/utils/busybox/patches/230-add_nslookup_lede.patch | 81 |
2 files changed, 61 insertions, 22 deletions
diff --git a/package/utils/busybox/Makefile b/package/utils/busybox/Makefile index a593bc9e9a..95814eaee4 100644 --- a/package/utils/busybox/Makefile +++ b/package/utils/busybox/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=busybox PKG_VERSION:=1.25.2 -PKG_RELEASE:=3 +PKG_RELEASE:=4 PKG_FLAGS:=essential PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2 diff --git a/package/utils/busybox/patches/230-add_nslookup_lede.patch b/package/utils/busybox/patches/230-add_nslookup_lede.patch index f37f4bd879..976960cf1a 100644 --- a/package/utils/busybox/patches/230-add_nslookup_lede.patch +++ b/package/utils/busybox/patches/230-add_nslookup_lede.patch @@ -1,4 +1,4 @@ -From 1188f159e0b0a9c07bed835c7313bedf5322a9e3 Mon Sep 17 00:00:00 2001 +From ab0f8bb80527928f513297ab93e3ec8c8b48dd50 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich <jo@mein.io> Date: Tue, 14 Mar 2017 22:21:34 +0100 Subject: [PATCH] networking: add LEDE nslookup applet @@ -12,16 +12,34 @@ and the libresolv primitives to parse received DNS responses. Signed-off-by: Jo-Philipp Wich <jo@mein.io> --- - networking/nslookup_lede.c | 894 +++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 894 insertions(+) + Makefile.flags | 6 + + networking/nslookup_lede.c | 915 +++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 921 insertions(+) create mode 100644 networking/nslookup_lede.c +diff --git a/Makefile.flags b/Makefile.flags +index 65021de25..096ab7756 100644 +--- a/Makefile.flags ++++ b/Makefile.flags +@@ -134,6 +134,12 @@ else + LDLIBS += m + endif + ++# nslookup_lede might need the resolv library ++RESOLV_AVAILABLE := $(shell echo 'int main(void){res_init();return 0;}' >resolvtest.c; $(CC) $(CFLAGS) -include resolv.h -lresolv -o /dev/null resolvtest.c >/dev/null 2>&1 && echo "y"; rm resolvtest.c) ++ifeq ($(RESOLV_AVAILABLE),y) ++LDLIBS += resolv ++endif ++ + # libpam may use libpthread, libdl and/or libaudit. + # On some platforms that requires an explicit -lpthread, -ldl, -laudit. + # However, on *other platforms* it fails when some of those flags diff --git a/networking/nslookup_lede.c b/networking/nslookup_lede.c new file mode 100644 -index 000000000..f3e42d3bb +index 000000000..c6c90ddf3 --- /dev/null +++ b/networking/nslookup_lede.c -@@ -0,0 +1,894 @@ +@@ -0,0 +1,915 @@ +/* + * nslookup_lede - musl compatible replacement for busybox nslookup + * @@ -145,7 +163,7 @@ index 000000000..f3e42d3bb +static unsigned int default_timeout = 5; + + -+static int parse_reply(const unsigned char *msg, size_t len) ++static int parse_reply(const unsigned char *msg, size_t len, int *bb_style_counter) +{ + ns_msg handle; + ns_rr rr; @@ -165,6 +183,9 @@ index 000000000..f3e42d3bb + return -1; + } + ++ if (bb_style_counter && *bb_style_counter == 1) ++ printf("Name: %s\n", ns_rr_name(rr)); ++ + rdlen = ns_rr_rdlen(rr); + + switch (ns_rr_type(rr)) @@ -175,7 +196,10 @@ index 000000000..f3e42d3bb + return -1; + } + inet_ntop(AF_INET, ns_rr_rdata(rr), astr, sizeof(astr)); -+ printf("Name:\t%s\nAddress: %s\n", ns_rr_name(rr), astr); ++ if (bb_style_counter) ++ printf("Address %d: %s\n", (*bb_style_counter)++, astr); ++ else ++ printf("Name:\t%s\nAddress: %s\n", ns_rr_name(rr), astr); + break; + +#if ENABLE_FEATURE_IPV6 @@ -185,7 +209,10 @@ index 000000000..f3e42d3bb + return -1; + } + inet_ntop(AF_INET6, ns_rr_rdata(rr), astr, sizeof(astr)); -+ printf("%s\thas AAAA address %s\n", ns_rr_name(rr), astr); ++ if (bb_style_counter) ++ printf("Address %d: %s\n", (*bb_style_counter)++, astr); ++ else ++ printf("%s\thas AAAA address %s\n", ns_rr_name(rr), astr); + break; +#endif + @@ -752,7 +779,7 @@ index 000000000..f3e42d3bb + llist_t *type_strings = NULL; + int n_ns = 0, n_queries = 0; + int c, opts, option_index = 0; -+ int stats = 0; ++ int stats = 0, bb_style_counter = 0; + unsigned int types = 0; + HEADER *header; + @@ -769,10 +796,8 @@ index 000000000..f3e42d3bb + ptr = llist_pop(&type_strings); + + /* skip leading text, e.g. when invoked with -querytype=AAAA */ -+ if ((chr = strchr(ptr, '=')) != NULL) { -+ ptr = chr; -+ *ptr++ = 0; -+ } ++ if ((chr = strchr(ptr, '=')) != NULL) ++ ptr = chr + 1; + + for (c = 0; qtypes[c].name; c++) + if (!strcmp(qtypes[c].name, ptr)) @@ -813,14 +838,21 @@ index 000000000..f3e42d3bb + /* No explicit type given, guess query type. + * If we can convert the domain argument into a ptr (means that + * inet_pton() could read it) we assume a PTR request, else -+ * we issue A queries. */ ++ * we issue A+AAAA queries and switch to an output format ++ * mimicking the one of the traditional nslookup applet. */ + if (types == 0) { + ptr = make_ptr(argv[option_index]); + -+ if (ptr) ++ if (ptr) { + add_query(&queries, &n_queries, T_PTR, ptr); -+ else ++ } ++ else { ++ bb_style_counter = 1; + add_query(&queries, &n_queries, T_A, argv[option_index]); ++#if ENABLE_FEATURE_IPV6 ++ add_query(&queries, &n_queries, T_AAAA, argv[option_index]); ++#endif ++ } + } + else { + for (c = 0; qtypes[c].name; c++) @@ -889,12 +921,18 @@ index 000000000..f3e42d3bb + c = 0; + + if (queries[rc].rlen) { -+ header = (HEADER *)queries[rc].reply; ++ if (!bb_style_counter) { ++ header = (HEADER *)queries[rc].reply; + -+ if (!header->aa) -+ printf("Non-authoritative answer:\n"); ++ if (!header->aa) ++ printf("Non-authoritative answer:\n"); + -+ c = parse_reply(queries[rc].reply, queries[rc].rlen); ++ c = parse_reply(queries[rc].reply, queries[rc].rlen, NULL); ++ } ++ else { ++ c = parse_reply(queries[rc].reply, queries[rc].rlen, ++ &bb_style_counter); ++ } + } + + if (c == 0) @@ -902,7 +940,8 @@ index 000000000..f3e42d3bb + else if (c < 0) + printf("*** Can't find %s: Parse error\n", queries[rc].name); + -+ printf("\n"); ++ if (!bb_style_counter) ++ printf("\n"); + } + + rc = 0; |