static void
show_groups (char *s)
{
gid_t g[32];
int n, i;
char buf[256];
snprintf (buf, sizeof(buf), "getgroups ");
n = _getgroups (1, g);
for (i = 0; i < n; i++)
snprintf (buf+strlen(buf), sizeof(buf)-strlen(buf), "%d ", g[i]);
msg ("%s: %s", s, buf);
}
/*
* Convert network-name into unix credential
*/
int
netname2user(char netname[MAXNETNAMELEN + 1], uid_t *uidp, gid_t *gidp,
int *gidlenp, gid_t *gidlist)
{
char *p;
int gidlen;
uid_t uid;
long luid;
struct passwd *pwd;
char val[1024];
char *val1, *val2;
char *domain;
int vallen;
int err;
if (getnetid(netname, val)) {
char *res = val;
p = strsep(&res, ":");
if (p == NULL)
return (0);
*uidp = (uid_t) atol(p);
p = strsep(&res, "\n,");
if (p == NULL) {
return (0);
}
*gidp = (gid_t) atol(p);
for (gidlen = 0; gidlen < NGRPS; gidlen++) {
p = strsep(&res, "\n,");
if (p == NULL)
break;
gidlist[gidlen] = (gid_t) atol(p);
}
*gidlenp = gidlen;
return (1);
}
val1 = strchr(netname, '.');
if (val1 == NULL)
return (0);
if (strncmp(netname, OPSYS, (val1-netname)))
return (0);
val1++;
val2 = strchr(val1, '@');
if (val2 == NULL)
return (0);
vallen = val2 - val1;
if (vallen > (1024 - 1))
vallen = 1024 - 1;
(void) strncpy(val, val1, 1024);
val[vallen] = 0;
err = __rpc_get_default_domain(&domain); /* change to rpc */
if (err)
return (0);
if (strcmp(val2 + 1, domain))
return (0); /* wrong domain */
if (sscanf(val, "%ld", &luid) != 1)
return (0);
uid = luid;
/* use initgroups method */
pwd = getpwuid(uid);
if (pwd == NULL)
return (0);
*uidp = pwd->pw_uid;
*gidp = pwd->pw_gid;
*gidlenp = _getgroups(pwd->pw_name, gidlist);
return (1);
}
