From d4f0720b201778bedd41b662643d28701b079717 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 9 Dec 2008 10:02:20 +0000 Subject: [BZ #7080] 2008-12-08 Ulrich Drepper [BZ #7080] * inet/getnameinfo.c (getnameinfo): Check for output buffers being NULL when NI_NAMEREQD is set. Patch mostly by Yang Hongyang . * inet/Makefile (tests): Add tst-getni1. * inet/tst-getni1.c: New file. --- inet/Makefile | 3 ++- inet/getnameinfo.c | 3 +++ inet/tst-getni1.c | 36 ++++++++++++++++++++++++++++++++++++ 3 files changed, 41 insertions(+), 1 deletion(-) create mode 100644 inet/tst-getni1.c (limited to 'inet') diff --git a/inet/Makefile b/inet/Makefile index d7139c1..64154bb 100644 --- a/inet/Makefile +++ b/inet/Makefile @@ -52,7 +52,8 @@ routines := htonl htons \ aux := check_pf check_native ifreq tests := htontest test_ifindex tst-ntoa tst-ether_aton tst-network \ - tst-gethnm test-ifaddrs bug-if1 test-inet6_opt tst-ether_line + tst-gethnm test-ifaddrs bug-if1 test-inet6_opt tst-ether_line \ + tst-getni1 include ../Rules diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c index 50240383..db6b5c7 100644 --- a/inet/getnameinfo.c +++ b/inet/getnameinfo.c @@ -178,6 +178,9 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, if (sa == NULL || addrlen < sizeof (sa_family_t)) return EAI_FAMILY; + if ((flags & NI_NAMEREQD) && host == NULL && serv == NULL) + return EAI_NONAME; + switch (sa->sa_family) { case AF_LOCAL: diff --git a/inet/tst-getni1.c b/inet/tst-getni1.c new file mode 100644 index 0000000..0e8a792 --- /dev/null +++ b/inet/tst-getni1.c @@ -0,0 +1,36 @@ +#include +#include +#include + +static int +do_test (void) +{ + int retval = 0; + + struct sockaddr_in s; + s.sin_family = AF_INET; + s.sin_port = 80; + s.sin_addr.s_addr = INADDR_LOOPBACK; + int r = getnameinfo((struct sockaddr *) &s, sizeof (s), NULL, 0, NULL, 0, + NI_NUMERICHOST | NI_NUMERICSERV); + printf("r = %d\n", r); + if (r != 0) + { + puts ("failed without NI_NAMEREQD"); + retval = 1; + } + + r = getnameinfo((struct sockaddr *) &s, sizeof (s), NULL, 0, NULL, 0, + NI_NUMERICHOST | NI_NUMERICSERV | NI_NAMEREQD); + printf("r = %d\n", r); + if (r != EAI_NONAME) + { + puts ("did not fail with EAI_NONAME with NI_NAMEREQD set"); + retval = 1; + } + + return retval; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" -- cgit v1.1