# endif
#endif
-#define GID_NONE ((gid_t)-1)
-
#define NFLAGS_WILD_NAME_MATCH (1<<0)
#define NFLAGS_NAME_MATCH (1<<1)
static struct idlist *uidlist, *uidmap;
static struct idlist *gidlist, *gidmap;
+static id_t id_parse(const char *num_str)
+{
+ id_t tmp, num = 0;
+ const char *cp = num_str;
+
+ while (*cp) {
+ if (!isDigit(cp)) {
+ invalid_num:
+ rprintf(FERROR, "Invalid ID number: %s\n", num_str);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ tmp = num * 10 + *cp++ - '0';
+ if (tmp < num)
+ goto invalid_num;
+ num = tmp;
+ }
+
+ return num;
+}
+
static struct idlist *add_to_list(struct idlist **root, id_t id, const char *name,
id_t id2, uint16 flags)
{
if (!name || !*name)
return 0;
if (num_ok && name[strspn(name, "0123456789")] == '\0') {
- *uid_p = atol(name);
+ *uid_p = id_parse(name);
return 1;
}
if (!(pass = getpwnam(name)))
if (!name || !*name)
return 0;
if (num_ok && name[strspn(name, "0123456789")] == '\0') {
- *gid_p = atol(name);
+ *gid_p = id_parse(name);
return 1;
}
if (!(grp = getgrnam(name)))
static int is_in_group(gid_t gid)
{
#ifdef HAVE_GETGROUPS
- static gid_t last_in = GID_NONE, last_out;
- static int ngroups = -2;
+ static gid_t last_in;
+ static int ngroups = -2, last_out = -1;
static GETGROUPS_T *gidset;
int n;
- if (gid == last_in)
+ if (gid == last_in && last_out >= 0)
return last_out;
if (ngroups < -1) {
if ((ngroups = getgroups(0, NULL)) < 0)
/* this function is a definate candidate for a faster algorithm */
uid_t match_uid(uid_t uid)
{
- static uid_t last_in = -1, last_out = -1;
+ static struct idlist *last = NULL;
struct idlist *list;
- if (uid == last_in)
- return last_out;
-
- last_in = uid;
+ if (last && uid == last->id)
+ return last->id2;
for (list = uidlist; list; list = list->next) {
if (list->id == uid)
if (!list)
list = recv_add_id(&uidlist, uidmap, uid, NULL);
+ last = list;
- return last_out = list->id2;
+ return list->id2;
}
gid_t match_gid(gid_t gid, uint16 *flags_ptr)
exit_cleanup(RERR_SYNTAX);
}
if (dash)
- name = (char *)atol(dash+1);
+ name = (char *)id_parse(dash+1);
else
name = (char *)0;
flags = 0;
- id1 = atol(cp);
+ id1 = id_parse(cp);
} else if (strpbrk(cp, "*[?")) {
flags = NFLAGS_WILD_NAME_MATCH;
name = cp;