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Solaris maps negative gids to GID_NOBODY.

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This commit is contained in:
Todd C. Miller 2013-04-24 15:24:24 -04:00
parent 50bdd5f131
commit c5971524f1
1 changed files with 11 additions and 2 deletions
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13
compat/getgrouplist.c
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@ -153,9 +153,18 @@ str2grp(const char *instr, int inlen, void *ent, char *buf, int buflen)
gid = strtoul(cp, &ep, 10);
if (*cp == '\0' || *ep != '\0')
return yp ? NSS_STR_PARSE_SUCCESS : NSS_STR_PARSE_PARSE;
if (gid > GID_MAX || (gid == ULONG_MAX && errno == ERANGE))
#ifdef GID_NOBODY
if (*cp == '-' && gid != 0) {
/* Negative gids get mapped to nobody on Solaris. */
grp->gr_gid = GID_NOBODY;
} else
#endif
if ((errno == ERANGE && gid == ULONG_MAX) ||
gid > GID_MAX || gid != (gid_t)gid) {
return NSS_STR_PARSE_ERANGE;
grp->gr_gid = (gid_t)gid;
} else {
grp->gr_gid = (gid_t)gid;
}
/* Store group members, taking care to use proper alignment. */
grp->gr_mem = NULL;