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authorUlrich Drepper <drepper@redhat.com>2004-09-16 22:54:54 +0000
committerUlrich Drepper <drepper@redhat.com>2004-09-16 22:54:54 +0000
commit62417d7ee84a198103fbc5e871bf35e0d5efc4d0 (patch)
treebd019119a0a9c56f8b081c831907cf272306e24f /sysdeps
parent40a8d825af282293e79c9d28b5035501fdd6acd4 (diff)
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iAdd __nscd_getai prototype.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/getaddrinfo.c120
1 files changed, 64 insertions, 56 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index c955384..9bf2537 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -55,6 +55,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <nsswitch.h>
#include <not-cancel.h>
#include <nscd/nscd-client.h>
+#include <nscd/nscd_proto.h>
#ifdef HAVE_LIBIDN
extern int __idna_to_ascii_lz (const char *input, char **output, int flags);
@@ -672,69 +673,76 @@ gaih_inet (const char *name, const struct gaih_service *service,
}
#ifdef USE_NSCD
- /* Try to use nscd. */
- struct nscd_ai_result *air = NULL;
- int herrno;
- int err = __nscd_getai (name, &air, &herrno);
- if (air != NULL)
- {
- /* Transform into gaih_addrtuple list. */
- bool added_canon = (req->ai_flags & AI_CANONNAME) == 0;
- char *addrs = air->addrs;
+ if (__nss_not_use_nscd_hosts > 0
+ && ++__nss_not_use_nscd_hosts > NSS_NSCD_RETRY)
+ __nss_not_use_nscd_hosts = 0;
- for (int i = 0; i < air->naddrs; ++i)
+ if (!__nss_not_use_nscd_hosts)
+ {
+ /* Try to use nscd. */
+ struct nscd_ai_result *air = NULL;
+ int herrno;
+ int err = __nscd_getai (name, &air, &herrno);
+ if (air != NULL)
{
- socklen_t size = (air->family[i] == AF_INET
- ? INADDRSZ : IN6ADDRSZ);
- if (*pat == NULL)
- {
- *pat = __alloca (sizeof (struct gaih_addrtuple));
- (*pat)->scopeid = 0;
- }
- uint32_t *pataddr = (*pat)->addr;
- (*pat)->next = NULL;
- if (added_canon || air->canon == NULL)
- (*pat)->name = NULL;
- else
- canon = (*pat)->name = strdupa (air->canon);
+ /* Transform into gaih_addrtuple list. */
+ bool added_canon = (req->ai_flags & AI_CANONNAME) == 0;
+ char *addrs = air->addrs;
- if (air->family[i] == AF_INET
- && req->ai_family == AF_INET6
- && (req->ai_flags & AI_V4MAPPED))
+ for (int i = 0; i < air->naddrs; ++i)
{
- (*pat)->family = AF_INET6;
- pataddr[3] = *(uint32_t *) addrs;
- pataddr[2] = htonl (0xffff);
- pataddr[1] = 0;
- pataddr[0] = 0;
- pat = &((*pat)->next);
- added_canon = true;
- }
- else if (req->ai_family == AF_UNSPEC
- || air->family[i] == req->ai_family)
- {
- (*pat)->family = air->family[i];
- memcpy (pataddr, addrs, size);
- pat = &((*pat)->next);
- added_canon = true;
- if (air->family[i] == AF_INET6)
- got_ipv6 = true;
+ socklen_t size = (air->family[i] == AF_INET
+ ? INADDRSZ : IN6ADDRSZ);
+ if (*pat == NULL)
+ {
+ *pat = __alloca (sizeof (struct gaih_addrtuple));
+ (*pat)->scopeid = 0;
+ }
+ uint32_t *pataddr = (*pat)->addr;
+ (*pat)->next = NULL;
+ if (added_canon || air->canon == NULL)
+ (*pat)->name = NULL;
+ else
+ canon = (*pat)->name = strdupa (air->canon);
+
+ if (air->family[i] == AF_INET
+ && req->ai_family == AF_INET6
+ && (req->ai_flags & AI_V4MAPPED))
+ {
+ (*pat)->family = AF_INET6;
+ pataddr[3] = *(uint32_t *) addrs;
+ pataddr[2] = htonl (0xffff);
+ pataddr[1] = 0;
+ pataddr[0] = 0;
+ pat = &((*pat)->next);
+ added_canon = true;
+ }
+ else if (req->ai_family == AF_UNSPEC
+ || air->family[i] == req->ai_family)
+ {
+ (*pat)->family = air->family[i];
+ memcpy (pataddr, addrs, size);
+ pat = &((*pat)->next);
+ added_canon = true;
+ if (air->family[i] == AF_INET6)
+ got_ipv6 = true;
+ }
+ addrs += size;
}
- addrs += size;
- }
- if (at->family == AF_UNSPEC)
- return (GAIH_OKIFUNSPEC | -EAI_NONAME);
+ if (at->family == AF_UNSPEC)
+ return (GAIH_OKIFUNSPEC | -EAI_NONAME);
- goto process_list;
- }
- else if (err != 0)
- {
- if (herrno == NETDB_INTERNAL && errno == ENOMEM)
- return -EAI_MEMORY;
- if (herrno == TRY_AGAIN)
- return -EAI_AGAIN;
- return -EAI_SYSTEM;
+ goto process_list;
+ }
+ else if (err != 0 && __nss_not_use_nscd_hosts == 0)
+ {
+ if (herrno == NETDB_INTERNAL && errno == ENOMEM)
+ return -EAI_MEMORY;
+ if (herrno == TRY_AGAIN)
+ return -EAI_AGAIN;
+ return -EAI_SYSTEM;
+ }
}
#endif