diff options
Diffstat (limited to 'shadow/putspent.c')
| -rw-r--r-- | shadow/putspent.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/shadow/putspent.c b/shadow/putspent.c index 142e697e64..ba8230a482 100644 --- a/shadow/putspent.c +++ b/shadow/putspent.c @@ -15,6 +15,8 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#include <errno.h> +#include <nss.h> #include <stdio.h> #include <shadow.h> @@ -31,6 +33,13 @@ putspent (const struct spwd *p, FILE *stream) { int errors = 0; + if (p->sp_namp == NULL || !__nss_valid_field (p->sp_namp) + || !__nss_valid_field (p->sp_pwdp)) + { + __set_errno (EINVAL); + return -1; + } + flockfile (stream); if (fprintf (stream, "%s:%s:", p->sp_namp, _S (p->sp_pwdp)) < 0) |