diff options
Diffstat (limited to 'lib/libc/net/rcmd.c')
| -rw-r--r-- | lib/libc/net/rcmd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libc/net/rcmd.c b/lib/libc/net/rcmd.c index e2b91994920..30ca6710c4f 100644 --- a/lib/libc/net/rcmd.c +++ b/lib/libc/net/rcmd.c @@ -382,10 +382,14 @@ again: (void)fclose(hostf); } if (first == 1 && (__check_rhosts_file || superuser)) { + int len; + first = 0; if ((pwd = getpwnam(luser)) == NULL) return (-1); - snprintf(pbuf, sizeof pbuf, "%s/.rhosts", pwd->pw_dir); + len = snprintf(pbuf, sizeof pbuf, "%s/.rhosts", pwd->pw_dir); + if (len < 0 || len >= sizeof pbuf) + return (-1); /* * Change effective uid while opening .rhosts. If root and |