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| author | Andreas Schwab <schwab@suse.de> | 2012-12-04 16:14:13 +0100 |
|---|---|---|
| committer | Andreas Schwab <schwab@suse.de> | 2013-01-10 09:59:58 +0100 |
| commit | dd31ac7a8e0d4cc24eee6815f9101caa5aa64291 (patch) | |
| tree | 084cc65c5b744f23cada0fae9bfd4c0c1cbb3ca3 /nscd/grpcache.c | |
| parent | 3167bfc62bb38e3057f7694566b5bb157236a5a8 (diff) | |
| download | glibc-dd31ac7a8e0d4cc24eee6815f9101caa5aa64291.tar.gz glibc-dd31ac7a8e0d4cc24eee6815f9101caa5aa64291.tar.xz glibc-dd31ac7a8e0d4cc24eee6815f9101caa5aa64291.zip | |
Properly check for short writes when sending the response in nscd
* nscd/grpcache.c (cache_addgr): Properly check for short write. * nscd/initgrcache.c (addinitgroupsX): Likewise. * nscd/pwdcache.c (cache_addpw): Likewise. * nscd/servicescache.c (cache_addserv): Likewise. Don't write more than recsize.
Diffstat (limited to 'nscd/grpcache.c')
| -rw-r--r-- | nscd/grpcache.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/nscd/grpcache.c b/nscd/grpcache.c index d25d8e92f2..a26548c3d2 100644 --- a/nscd/grpcache.c +++ b/nscd/grpcache.c @@ -75,6 +75,7 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, const void *key, struct group *grp, uid_t owner, struct hashentry *const he, struct datahead *dh, int errval) { + bool all_written = true; ssize_t total; ssize_t written; time_t t = time (NULL); @@ -342,6 +343,9 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, # endif #endif written = writeall (fd, &dataset->resp, dataset->head.recsize); + + if (written != dataset->head.recsize) + all_written = false; } /* Add the record to the database. But only if it has not been @@ -401,7 +405,7 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, } } - if (__builtin_expect (written != total, 0) && debug_level > 0) + if (__builtin_expect (!all_written, 0) && debug_level > 0) { char buf[256]; dbg_log (_("short write in %s: %s"), __FUNCTION__, |