int main(int argc, char **argv)
{
uid_t uid;
DIR *dirp;
struct dirent *directory_entry;
char dirname[256];
/* validate the input and map name to uid */
if (argc != 2) {
print_usage(argc, argv);
return 1;
}
uid = user_id_from_name(argv[1]);
if (uid == -1) {
printf("Invalid username specified (not found)\n");
return 1;
}
/* now, walk directories in /proc fs */
if ((dirp = opendir(PROCFS_ROOT)) == NULL) {
perror("Unabled to open /proc");
return 1;
}
do {
if ((directory_entry = readdir(dirp)) != NULL) {
if (directory_entry->d_type == DT_DIR ||
directory_entry->d_type == DT_LNK) {
strcpy(&dirname[0], PROCFS_ROOT);
strcat(&dirname[0], "/");
strcat(&dirname[0], directory_entry->d_name);
check_dir(&dirname[0], uid);
}
}
} while (directory_entry != NULL);
return 0;
}
int
main (int argc, char *argv[])
{
DIR *cwd_p;
struct dirent *thisDir_p;
acl_t acl;
acl_entry_t entry;
acl_tag_t tag;
int entryId;
uid_t *uid_p, cmdlineUid;
gid_t *gid_p, cmdlineGid;
UorG_t entryType;
// cmdline args
if (argc != 3) {
usage (argv[0]);
return 1;
}
switch (argv[1][0]) {
case 'u':
entryType = USER_e;
if (!user_id_from_name (argv[2], &cmdlineUid)) {
fprintf (stderr, "user_id_from_name() failure\n");
return 1;
}
break;
case 'g':
entryType = GROUP_e;
if (!group_id_from_name (argv[2], &cmdlineGid)) {
fprintf (stderr, "group_id_from_name() failure\n");
return 1;
}
break;
default:
usage (argv[0]);
return 1;
}
cwd_p = opendir (".");
if (cwd_p == NULL) {
perror ("opendir(.)");
return 1;
}
while ((thisDir_p = readdir (cwd_p)) != NULL) {
if (thisDir_p->d_type != DT_REG)
continue;
acl = acl_get_file (thisDir_p->d_name, ACL_TYPE_ACCESS);
if (acl == NULL)
continue;
for (entryId=ACL_FIRST_ENTRY; ; entryId=ACL_NEXT_ENTRY) {
if (acl_get_entry (acl, entryId, &entry) == -1)
break;
if (acl_get_tag_type (entry, &tag) == -1)
break;
if (entryType == USER_e) {
if (tag == ACL_USER) {
uid_p = acl_get_qualifier (entry);
if (uid_p == NULL)
break;
if (*uid_p == cmdlineUid)
printf ("acl user matches: %s\n", thisDir_p->d_name);
acl_free (uid_p);
}
}
else {
if (tag == ACL_GROUP) {
gid_p = acl_get_qualifier (entry);
if (gid_p == NULL)
break;
if (*gid_p == cmdlineGid)
printf ("acl grp matches: %s\n", thisDir_p->d_name);
acl_free (gid_p);
}
}
}
acl_free (acl);
}
closedir (cwd_p);
return 0;
}