diff options
| -rw-r--r-- | libutil/gr_util.c | 11 | ||||
| -rw-r--r-- | libutil/pw_util.c | 9 |
2 files changed, 20 insertions, 0 deletions
diff --git a/libutil/gr_util.c b/libutil/gr_util.c index 0173595..323d3ff 100644 --- a/libutil/gr_util.c +++ b/libutil/gr_util.c @@ -63,6 +63,8 @@ static const char group_line_format[] = "%s:%s:%ju:"; int gr_init(const char *dir, const char *group) { + struct stat st; + if (dir == NULL) { strcpy(group_dir, _PATH_ETC); } else { @@ -88,6 +90,15 @@ gr_init(const char *dir, const char *group) } strcpy(group_file, group); } + + if (stat(group_file, &st) == -1) + return (-1); + + if (S_ISDIR(st.st_mode)) { + errno = EISDIR; + return (-1); + } + initialized = 1; return (0); } diff --git a/libutil/pw_util.c b/libutil/pw_util.c index 4bf3001..6013e6d 100644 --- a/libutil/pw_util.c +++ b/libutil/pw_util.c @@ -96,6 +96,7 @@ pw_init(const char *dir, const char *master) #if 0 struct rlimit rlim; #endif + struct stat st; if (dir == NULL) { strcpy(passwd_dir, _PATH_ETC); @@ -123,6 +124,14 @@ pw_init(const char *dir, const char *master) strcpy(masterpasswd, master); } + if (stat(masterpasswd, &st) == -1) + return (-1); + + if (S_ISDIR(st.st_mode)) { + errno = EISDIR; + return (-1); + } + /* * The code that follows is extremely disruptive to the calling * process, and is therefore disabled until someone can conceive |