ypresp_key_val *
ypproc_first_2_svc(ypreq_nokey *arg, struct svc_req *req)
{
static struct ypresp_key_val res;
if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1)
return (&res);
if (strcmp(arg->map, "passwd.byname") == 0 ||
strcmp(arg->map, "master.passwd.byname") == 0) {
if (env->sc_user_lines == NULL)
return (NULL);
yp_make_keyval(&res, env->sc_user_lines, env->sc_user_lines);
} else if (strcmp(arg->map, "group.byname") == 0) {
if (env->sc_group_lines == NULL)
return (NULL);
yp_make_keyval(&res, env->sc_group_lines, env->sc_group_lines);
} else {
log_debug("unknown map %s", arg->map);
res.stat = YP_NOMAP;
}
return (&res);
}
ypresp_maplist *
ypproc_maplist_2_svc(domainname *arg, struct svc_req *req)
{
size_t i;
static struct {
char *name;
int cond;
} mapnames[] = {
{ "passwd.byname", YPMAP_PASSWD_BYNAME },
{ "passwd.byuid", YPMAP_PASSWD_BYUID },
{ "master.passwd.byname", YPMAP_MASTER_PASSWD_BYNAME },
{ "master.passwd.byuid", YPMAP_MASTER_PASSWD_BYUID },
{ "group.byname", YPMAP_GROUP_BYNAME },
{ "group.bygid", YPMAP_GROUP_BYGID },
{ "netid.byname", YPMAP_NETID_BYNAME },
};
static ypresp_maplist res;
static struct ypmaplist maps[sizeof(mapnames) / sizeof(mapnames[0])];
if (yp_valid_domain(*arg, (struct ypresp_val *)&res) == -1)
return (&res);
res.stat = YP_TRUE;
res.maps = NULL;
for (i = 0; i < sizeof(mapnames) / sizeof(mapnames[0]); i++) {
if (!(env->sc_flags & mapnames[i].cond))
continue;
maps[i].map = mapnames[i].name;
maps[i].next = res.maps;
res.maps = &maps[i];
}
return (&res);
}
ypresp_master *
ypproc_master_2_svc(ypreq_nokey *arg, struct svc_req *req)
{
static struct ypresp_master res;
if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1)
return (&res);
res.stat = YP_YPERR;
return (&res);
}
ypresp_all *
ypproc_all_2_svc(ypreq_nokey *arg, struct svc_req *req)
{
static struct ypresp_all res;
if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1)
return (&res);
svcerr_auth(req->rq_xprt, AUTH_FAILED);
return (NULL);
}
ypresp_master *
ypproc_master_2_svc(ypreq_nokey *arg, struct svc_req *req)
{
static struct ypresp_master res;
static char master[YPMAXPEER + 1];
memset(&res, 0, sizeof(res));
if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1)
return (&res);
if (gethostname(master, sizeof(master)) == 0) {
res.peer = (peername)master;
res.stat = YP_TRUE;
} else
res.stat = YP_NOKEY;
return (&res);
}
ypresp_key_val *
ypproc_next_2_svc(ypreq_key *arg, struct svc_req *req)
{
struct userent ukey;
struct userent *ue;
struct groupent gkey;
struct groupent *ge;
char *line;
static struct ypresp_key_val res;
char key[YPMAXRECORD+1];
if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1)
return (&res);
if (strcmp(arg->map, "passwd.byname") == 0 ||
strcmp(arg->map, "master.passwd.byname") == 0) {
bzero(key, sizeof(key));
(void)strncpy(key, arg->key.keydat_val,
arg->key.keydat_len);
ukey.ue_line = key;
if ((ue = RB_FIND(user_name_tree, env->sc_user_names,
&ukey)) == NULL) {
/*
* canacar's trick:
* the user might have been deleted in between calls
* to next since the tree may be modified by a reload.
* next should still return the next user in
* lexicographical order, hence insert the search key
* and look up the next field, then remove it again.
*/
RB_INSERT(user_name_tree, env->sc_user_names, &ukey);
if ((ue = RB_NEXT(user_name_tree, &env->sc_user_names,
&ukey)) == NULL) {
RB_REMOVE(user_name_tree, env->sc_user_names,
&ukey);
res.stat = YP_NOKEY;
return (&res);
}
RB_REMOVE(user_name_tree, env->sc_user_names, &ukey);
}
line = ue->ue_line + (strlen(ue->ue_line) + 1);
line = line + (strlen(line) + 1);
yp_make_keyval(&res, line, line);
return (&res);
} else if (strcmp(arg->map, "group.byname") == 0) {
bzero(key, sizeof(key));
(void)strncpy(key, arg->key.keydat_val,
arg->key.keydat_len);
gkey.ge_line = key;
if ((ge = RB_FIND(group_name_tree, env->sc_group_names,
&gkey)) == NULL) {
/*
* canacar's trick reloaded.
*/
RB_INSERT(group_name_tree, env->sc_group_names, &gkey);
if ((ge = RB_NEXT(group_name_tree, &env->sc_group_names,
&gkey)) == NULL) {
RB_REMOVE(group_name_tree, env->sc_group_names,
&gkey);
res.stat = YP_NOKEY;
return (&res);
}
RB_REMOVE(group_name_tree, env->sc_group_names, &gkey);
}
line = ge->ge_line + (strlen(ge->ge_line) + 1);
line = line + (strlen(line) + 1);
yp_make_keyval(&res, line, line);
return (&res);
} else {
log_debug("unknown map %s", arg->map);
res.stat = YP_NOMAP;
return (&res);
}
}
ypresp_val *
ypproc_match_2_svc(ypreq_key *arg, struct svc_req *req)
{
struct userent ukey;
struct userent *ue;
struct groupent gkey;
struct groupent *ge;
static struct ypresp_val res;
const char *estr;
char *bp, *cp;
char key[YPMAXRECORD+1];
log_debug("matching '%.*s' in map %s", arg->key.keydat_len,
arg->key.keydat_val, arg->map);
if (yp_valid_domain(arg->domain, (struct ypresp_val *)&res) == -1)
return (&res);
if (env->sc_user_names == NULL) {
/*
* tree not ready.
*/
return (NULL);
}
if (arg->key.keydat_len > YPMAXRECORD) {
log_debug("argument too long");
return (NULL);
}
bzero(key, sizeof(key));
(void)strncpy(key, arg->key.keydat_val, arg->key.keydat_len);
if (strcmp(arg->map, "passwd.byname") == 0 ||
strcmp(arg->map, "master.passwd.byname") == 0) {
ukey.ue_line = key;
if ((ue = RB_FIND(user_name_tree, env->sc_user_names,
&ukey)) == NULL) {
res.stat = YP_NOKEY;
return (&res);
}
yp_make_val(&res, ue->ue_line, 1);
return (&res);
} else if (strcmp(arg->map, "passwd.byuid") == 0 ||
strcmp(arg->map, "master.passwd.byuid") == 0) {
ukey.ue_uid = strtonum(key, 0, UID_MAX, &estr);
if (estr) {
res.stat = YP_BADARGS;
return (&res);
}
if ((ue = RB_FIND(user_uid_tree, &env->sc_user_uids,
&ukey)) == NULL) {
res.stat = YP_NOKEY;
return (&res);
}
yp_make_val(&res, ue->ue_line, 1);
return (&res);
} else if (strcmp(arg->map, "group.bygid") == 0) {
gkey.ge_gid = strtonum(key, 0, GID_MAX, &estr);
if (estr) {
res.stat = YP_BADARGS;
return (&res);
}
if ((ge = RB_FIND(group_gid_tree, &env->sc_group_gids,
&gkey)) == NULL) {
res.stat = YP_NOKEY;
return (&res);
}
yp_make_val(&res, ge->ge_line, 1);
return (&res);
} else if (strcmp(arg->map, "group.byname") == 0) {
gkey.ge_line = key;
if ((ge = RB_FIND(group_name_tree, env->sc_group_names,
&gkey)) == NULL) {
res.stat = YP_NOKEY;
return (&res);
}
yp_make_val(&res, ge->ge_line, 1);
return (&res);
} else if (strcmp(arg->map, "netid.byname") == 0) {
bp = cp = key;
if (strncmp(bp, "unix.", strlen("unix.")) != 0) {
res.stat = YP_BADARGS;
return (&res);
}
bp += strlen("unix.");
if (*bp == '\0') {
res.stat = YP_BADARGS;
return (&res);
}
if (!(cp = strsep(&bp, "@"))) {
res.stat = YP_BADARGS;
return (&res);
}
if (strcmp(bp, arg->domain) != 0) {
res.stat = YP_BADARGS;
return (&res);
}
ukey.ue_uid = strtonum(cp, 0, UID_MAX, &estr);
if (estr) {
res.stat = YP_BADARGS;
return (&res);
}
if ((ue = RB_FIND(user_uid_tree, &env->sc_user_uids,
&ukey)) == NULL) {
res.stat = YP_NOKEY;
return (&res);
}
yp_make_val(&res, ue->ue_netid_line, 0);
return (&res);
} else {
log_debug("unknown map %s", arg->map);
res.stat = YP_NOMAP;
return (&res);
}
}