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| author | Ulrich Drepper <drepper@redhat.com> | 2008-12-09 10:02:20 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2008-12-09 10:02:20 +0000 |
| commit | d4f0720b201778bedd41b662643d28701b079717 (patch) | |
| tree | eb9881545720dcf4a864bd19cda714f34a9a7f23 /inet | |
| parent | cd72adebda1a008550de05cfcc669b90c36bc438 (diff) | |
| download | glibc-d4f0720b201778bedd41b662643d28701b079717.zip glibc-d4f0720b201778bedd41b662643d28701b079717.tar.gz glibc-d4f0720b201778bedd41b662643d28701b079717.tar.bz2 | |
[BZ #7080]
2008-12-08 Ulrich Drepper <drepper@redhat.com>
[BZ #7080]
* inet/getnameinfo.c (getnameinfo): Check for output buffers being
NULL when NI_NAMEREQD is set.
Patch mostly by Yang Hongyang <yanghy@cn.fujitsu.com>.
* inet/Makefile (tests): Add tst-getni1.
* inet/tst-getni1.c: New file.
Diffstat (limited to 'inet')
| -rw-r--r-- | inet/Makefile | 3 | ||||
| -rw-r--r-- | inet/getnameinfo.c | 3 | ||||
| -rw-r--r-- | inet/tst-getni1.c | 36 |
3 files changed, 41 insertions, 1 deletions
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 <netdb.h> +#include <stdio.h> +#include <sys/socket.h> + +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" |