diff options
Diffstat (limited to 'lib/libc/rpc/auth_unix.c')
| -rw-r--r-- | lib/libc/rpc/auth_unix.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/libc/rpc/auth_unix.c b/lib/libc/rpc/auth_unix.c index 5801015..ff3ca7b 100644 --- a/lib/libc/rpc/auth_unix.c +++ b/lib/libc/rpc/auth_unix.c @@ -185,23 +185,29 @@ authunix_create(machname, uid, gid, len, aup_gids) AUTH * authunix_create_default() { - int len; + int ngids; + long ngids_max; char machname[MAXHOSTNAMELEN + 1]; uid_t uid; gid_t gid; - gid_t gids[NGROUPS_MAX]; + gid_t *gids; + + ngids_max = sysconf(_SC_NGROUPS_MAX) + 1; + gids = malloc(sizeof(gid_t) * ngids_max); + if (gids == NULL) + return (NULL); if (gethostname(machname, sizeof machname) == -1) abort(); machname[sizeof(machname) - 1] = 0; uid = geteuid(); gid = getegid(); - if ((len = getgroups(NGROUPS_MAX, gids)) < 0) + if ((ngids = getgroups(ngids_max, gids)) < 0) abort(); - if (len > NGRPS) - len = NGRPS; + if (ngids > NGRPS) + ngids = NGRPS; /* XXX: interface problem; those should all have been unsigned */ - return (authunix_create(machname, (int)uid, (int)gid, len, + return (authunix_create(machname, (int)uid, (int)gid, ngids, (int *)gids)); } |
