diff options
Diffstat (limited to 'lib/libc/db/hash/hash_page.c')
| -rw-r--r-- | lib/libc/db/hash/hash_page.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/lib/libc/db/hash/hash_page.c b/lib/libc/db/hash/hash_page.c index 0c0146846554..6ca28264461b 100644 --- a/lib/libc/db/hash/hash_page.c +++ b/lib/libc/db/hash/hash_page.c @@ -53,7 +53,7 @@ __FBSDID("$FreeBSD$"); */ #include "namespace.h" -#include <sys/types.h> +#include <sys/param.h> #include <errno.h> #include <fcntl.h> @@ -833,13 +833,24 @@ static int open_temp(HTAB *hashp) { sigset_t set, oset; - static char namestr[] = "_hashXXXXXX"; + int len; + char *envtmp = NULL; + char path[MAXPATHLEN]; + + if (issetugid() == 0) + envtmp = getenv("TMPDIR"); + len = snprintf(path, + sizeof(path), "%s/_hash.XXXXXX", envtmp ? envtmp : "/tmp"); + if (len < 0 || len >= sizeof(path)) { + errno = ENAMETOOLONG; + return (-1); + } /* Block signals; make sure file goes away at process exit. */ (void)sigfillset(&set); (void)_sigprocmask(SIG_BLOCK, &set, &oset); - if ((hashp->fp = mkstemp(namestr)) != -1) { - (void)unlink(namestr); + if ((hashp->fp = mkstemp(path)) != -1) { + (void)unlink(path); (void)_fcntl(hashp->fp, F_SETFD, 1); } (void)_sigprocmask(SIG_SETMASK, &oset, (sigset_t *)NULL); |