1 /* nssov.c - nss-ldap overlay for slapd */
4 * Copyright 2008-2009 by Howard Chu, Symas Corp.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
16 * This code references portions of the nss-ldapd package
17 * written by Arthur de Jong. The nss-ldapd code was forked
18 * from the nss-ldap library written by Luke Howard.
23 #ifndef SLAPD_OVER_NSSOV
24 #define SLAPD_OVER_NSSOV SLAPD_MOD_DYNAMIC
27 #include "../slapd/config.h" /* not nss-ldapd config.h */
32 #include <ac/unistd.h>
36 AttributeDescription *nssov_pam_host_ad;
37 AttributeDescription *nssov_pam_svc_ad;
39 /* buffer sizes for I/O */
40 #define READBUFFER_MINSIZE 32
41 #define READBUFFER_MAXSIZE 64
42 #define WRITEBUFFER_MINSIZE 64
43 #define WRITEBUFFER_MAXSIZE 64*1024
45 /* Find the given attribute's value in the RDN of the DN */
46 int nssov_find_rdnval(struct berval *dn, AttributeDescription *ad, struct berval *value)
54 next = ber_bvchr( &rdn, '+' );
55 if ( rdn.bv_val[ad->ad_cname.bv_len] == '=' &&
56 !ber_bvcmp( &rdn, &ad->ad_cname )) {
58 rdn.bv_len = next - rdn.bv_val;
59 value->bv_val = rdn.bv_val + ad->ad_cname.bv_len + 1;
60 value->bv_len = rdn.bv_len - ad->ad_cname.bv_len - 1;
66 rdn.bv_len -= next - rdn.bv_val;
71 /* create a search filter using a name that requires escaping */
72 int nssov_filter_byname(nssov_mapinfo *mi,int key,struct berval *name,struct berval *buf)
75 struct berval bv2 = {sizeof(buf2),buf2};
77 /* escape attribute */
78 if (nssov_escape(name,&bv2))
81 if (bv2.bv_len + mi->mi_filter.bv_len + mi->mi_attrs[key].an_desc->ad_cname.bv_len + 6 >
84 buf->bv_len = snprintf(buf->bv_val, buf->bv_len, "(&%s(%s=%s))",
85 mi->mi_filter.bv_val, mi->mi_attrs[key].an_desc->ad_cname.bv_val,
90 /* create a search filter using a string converted from an int */
91 int nssov_filter_byid(nssov_mapinfo *mi,int key,struct berval *id,struct berval *buf)
94 if (id->bv_len + mi->mi_filter.bv_len + mi->mi_attrs[key].an_desc->ad_cname.bv_len + 6 >
97 buf->bv_len = snprintf(buf->bv_val, buf->bv_len, "(&%s(%s=%s))",
98 mi->mi_filter.bv_val, mi->mi_attrs[key].an_desc->ad_cname.bv_val,
103 void get_userpassword(struct berval *attr,struct berval *pw)
106 /* go over the entries and return the remainder of the value if it
107 starts with {crypt} or crypt$ */
108 for (i=0;!BER_BVISNULL(&attr[i]);i++)
110 if (strncasecmp(attr[i].bv_val,"{crypt}",7)==0) {
111 pw->bv_val = attr[i].bv_val + 7;
112 pw->bv_len = attr[i].bv_len - 7;
115 if (strncasecmp(attr[i].bv_val,"crypt$",6)==0) {
116 pw->bv_val = attr[i].bv_val + 6;
117 pw->bv_len = attr[i].bv_len - 6;
121 /* just return the first value completely */
123 /* TODO: support more password formats e.g. SMD5
124 (which is $1$ but in a different format)
125 (any code for this is more than welcome) */
128 /* this writes a single address to the stream */
129 int write_address(TFILE *fp,struct berval *addr)
132 struct in_addr ipv4addr;
133 struct in6_addr ipv6addr;
134 /* try to parse the address as IPv4 first, fall back to IPv6 */
135 if (inet_pton(AF_INET,addr->bv_val,&ipv4addr)>0)
137 /* write address type */
138 WRITE_INT32(fp,AF_INET);
139 /* write the address length */
140 WRITE_INT32(fp,sizeof(struct in_addr));
141 /* write the address itself (in network byte order) */
142 WRITE_TYPE(fp,ipv4addr,struct in_addr);
144 else if (inet_pton(AF_INET6,addr->bv_val,&ipv6addr)>0)
146 /* write address type */
147 WRITE_INT32(fp,AF_INET6);
148 /* write the address length */
149 WRITE_INT32(fp,sizeof(struct in6_addr));
150 /* write the address itself (in network byte order) */
151 WRITE_TYPE(fp,ipv6addr,struct in6_addr);
155 /* failure, log but write simple invalid address
156 (otherwise the address list is messed up) */
157 /* TODO: have error message in correct format */
158 Debug(LDAP_DEBUG_ANY,"nssov: unparseable address: %s\n",addr->bv_val,0,0);
159 /* write an illegal address type */
161 /* write an empty address */
168 int read_address(TFILE *fp,char *addr,int *addrlen,int *af)
172 /* read address family */
174 if ((*af!=AF_INET)&&(*af!=AF_INET6))
176 Debug(LDAP_DEBUG_ANY,"nssov: incorrect address family specified: %d\n",*af,0,0);
179 /* read address length */
181 if ((len>*addrlen)||(len<=0))
183 Debug(LDAP_DEBUG_ANY,"nssov: address length incorrect: %d\n",len,0,0);
193 int nssov_escape(struct berval *src,struct berval *dst)
197 /* go over all characters in source string */
198 for (i=0;i<src->bv_len;i++)
200 /* check if char will fit */
201 if (pos>=(dst->bv_len-4))
203 /* do escaping for some characters */
204 switch (src->bv_val[i])
207 strcpy(dst->bv_val+pos,"\\2a");
211 strcpy(dst->bv_val+pos,"\\28");
215 strcpy(dst->bv_val+pos,"\\29");
219 strcpy(dst->bv_val+pos,"\\5c");
223 /* just copy character */
224 dst->bv_val[pos++]=src->bv_val[i];
228 /* terminate destination string */
229 dst->bv_val[pos]='\0';
234 /* read the version information and action from the stream
235 this function returns the read action in location pointer to by action */
236 static int read_header(TFILE *fp,int32_t *action)
239 /* read the protocol version */
240 READ_TYPE(fp,tmpint32,int32_t);
241 if (tmpint32 != (int32_t)NSLCD_VERSION)
243 Debug( LDAP_DEBUG_TRACE,"nssov: wrong nslcd version id (%d)\n",(int)tmpint32,0,0);
246 /* read the request type */
247 READ(fp,action,sizeof(int32_t));
251 /* read a request message, returns <0 in case of errors,
252 this function closes the socket */
253 static void handleconnection(nssov_info *ni,int sock,Operation *op)
257 struct timeval readtimeout,writetimeout;
260 char authid[sizeof("gidNumber=4294967295+uidNumber=424967295,cn=peercred,cn=external,cn=auth")];
263 if (lutil_getpeereid(sock,&uid,&gid))
264 Debug( LDAP_DEBUG_TRACE,"nssov: connection from unknown client: %s\n",strerror(errno),0,0);
266 Debug( LDAP_DEBUG_TRACE,"nssov: connection from uid=%d gid=%d\n",
267 (int)uid,(int)gid,0);
269 /* Should do authid mapping too */
270 op->o_dn.bv_len = sprintf(authid,"gidNumber=%d+uidNumber=%d,cn=peercred,cn=external,cn=auth",
271 (int)uid, (int)gid );
272 op->o_dn.bv_val = authid;
273 op->o_ndn = op->o_dn;
275 /* set the timeouts */
276 readtimeout.tv_sec=0; /* clients should send their request quickly */
277 readtimeout.tv_usec=500000;
278 writetimeout.tv_sec=5; /* clients could be taking some time to process the results */
279 writetimeout.tv_usec=0;
280 /* create a stream object */
281 if ((fp=tio_fdopen(sock,&readtimeout,&writetimeout,
282 READBUFFER_MINSIZE,READBUFFER_MAXSIZE,
283 WRITEBUFFER_MINSIZE,WRITEBUFFER_MAXSIZE))==NULL)
285 Debug( LDAP_DEBUG_ANY,"nssov: cannot create stream for writing: %s",strerror(errno),0,0);
290 if (read_header(fp,&action))
298 case NSLCD_ACTION_ALIAS_BYNAME: (void)nssov_alias_byname(ni,fp,op); break;
299 case NSLCD_ACTION_ALIAS_ALL: (void)nssov_alias_all(ni,fp,op); break;
300 case NSLCD_ACTION_ETHER_BYNAME: (void)nssov_ether_byname(ni,fp,op); break;
301 case NSLCD_ACTION_ETHER_BYETHER: (void)nssov_ether_byether(ni,fp,op); break;
302 case NSLCD_ACTION_ETHER_ALL: (void)nssov_ether_all(ni,fp,op); break;
303 case NSLCD_ACTION_GROUP_BYNAME: (void)nssov_group_byname(ni,fp,op); break;
304 case NSLCD_ACTION_GROUP_BYGID: (void)nssov_group_bygid(ni,fp,op); break;
305 case NSLCD_ACTION_GROUP_BYMEMBER: (void)nssov_group_bymember(ni,fp,op); break;
306 case NSLCD_ACTION_GROUP_ALL: (void)nssov_group_all(ni,fp,op); break;
307 case NSLCD_ACTION_HOST_BYNAME: (void)nssov_host_byname(ni,fp,op); break;
308 case NSLCD_ACTION_HOST_BYADDR: (void)nssov_host_byaddr(ni,fp,op); break;
309 case NSLCD_ACTION_HOST_ALL: (void)nssov_host_all(ni,fp,op); break;
310 case NSLCD_ACTION_NETGROUP_BYNAME: (void)nssov_netgroup_byname(ni,fp,op); break;
311 case NSLCD_ACTION_NETWORK_BYNAME: (void)nssov_network_byname(ni,fp,op); break;
312 case NSLCD_ACTION_NETWORK_BYADDR: (void)nssov_network_byaddr(ni,fp,op); break;
313 case NSLCD_ACTION_NETWORK_ALL: (void)nssov_network_all(ni,fp,op); break;
314 case NSLCD_ACTION_PASSWD_BYNAME: (void)nssov_passwd_byname(ni,fp,op); break;
315 case NSLCD_ACTION_PASSWD_BYUID: (void)nssov_passwd_byuid(ni,fp,op); break;
316 case NSLCD_ACTION_PASSWD_ALL: (void)nssov_passwd_all(ni,fp,op); break;
317 case NSLCD_ACTION_PROTOCOL_BYNAME: (void)nssov_protocol_byname(ni,fp,op); break;
318 case NSLCD_ACTION_PROTOCOL_BYNUMBER:(void)nssov_protocol_bynumber(ni,fp,op); break;
319 case NSLCD_ACTION_PROTOCOL_ALL: (void)nssov_protocol_all(ni,fp,op); break;
320 case NSLCD_ACTION_RPC_BYNAME: (void)nssov_rpc_byname(ni,fp,op); break;
321 case NSLCD_ACTION_RPC_BYNUMBER: (void)nssov_rpc_bynumber(ni,fp,op); break;
322 case NSLCD_ACTION_RPC_ALL: (void)nssov_rpc_all(ni,fp,op); break;
323 case NSLCD_ACTION_SERVICE_BYNAME: (void)nssov_service_byname(ni,fp,op); break;
324 case NSLCD_ACTION_SERVICE_BYNUMBER: (void)nssov_service_bynumber(ni,fp,op); break;
325 case NSLCD_ACTION_SERVICE_ALL: (void)nssov_service_all(ni,fp,op); break;
326 case NSLCD_ACTION_SHADOW_BYNAME: if (uid==0) (void)nssov_shadow_byname(ni,fp,op); break;
327 case NSLCD_ACTION_SHADOW_ALL: if (uid==0) (void)nssov_shadow_all(ni,fp,op); break;
328 case NSLCD_ACTION_PAM_AUTHC: (void)pam_authc(ni,fp,op); break;
329 case NSLCD_ACTION_PAM_AUTHZ: (void)pam_authz(ni,fp,op); break;
330 case NSLCD_ACTION_PAM_SESS_O: if (uid==0) (void)pam_sess_o(ni,fp,op); break;
331 case NSLCD_ACTION_PAM_SESS_C: if (uid==0) (void)pam_sess_c(ni,fp,op); break;
332 case NSLCD_ACTION_PAM_PWMOD: (void)pam_pwmod(ni,fp,op); break;
334 Debug( LDAP_DEBUG_ANY,"nssov: invalid request id: %d",(int)action,0,0);
337 /* we're done with the request */
342 /* accept a connection on the socket */
343 static void *acceptconn(void *ctx, void *arg)
345 nssov_info *ni = arg;
346 Connection conn = {0};
347 OperationBuffer opbuf;
351 if ( slapd_shutdown )
355 struct sockaddr_storage addr;
359 /* accept a new connection */
360 alen=(socklen_t)sizeof(struct sockaddr_storage);
361 csock=accept(ni->ni_socket,(struct sockaddr *)&addr,&alen);
362 connection_client_enable(ni->ni_conn);
365 if ((errno==EINTR)||(errno==EAGAIN)||(errno==EWOULDBLOCK))
367 Debug( LDAP_DEBUG_TRACE,"nssov: accept() failed (ignored): %s",strerror(errno),0,0);
370 Debug( LDAP_DEBUG_ANY,"nssov: accept() failed: %s",strerror(errno),0,0);
373 /* make sure O_NONBLOCK is not inherited */
374 if ((j=fcntl(csock,F_GETFL,0))<0)
376 Debug( LDAP_DEBUG_ANY,"nssov: fcntl(F_GETFL) failed: %s",strerror(errno),0,0);
378 Debug( LDAP_DEBUG_ANY,"nssov: problem closing socket: %s",strerror(errno),0,0);
381 if (fcntl(csock,F_SETFL,j&~O_NONBLOCK)<0)
383 Debug( LDAP_DEBUG_ANY,"nssov: fcntl(F_SETFL,~O_NONBLOCK) failed: %s",strerror(errno),0,0);
385 Debug( LDAP_DEBUG_ANY,"nssov: problem closing socket: %s",strerror(errno),0,0);
389 connection_fake_init( &conn, &opbuf, ctx );
391 conn.c_ssf = conn.c_transport_ssf = local_ssf;
392 op->o_bd = ni->ni_db;
393 op->o_tag = LDAP_REQ_SEARCH;
395 /* handle the connection */
396 handleconnection(ni,csock,op);
399 static slap_verbmasks nss_svcs[] = {
400 { BER_BVC("alias"), NM_alias },
401 { BER_BVC("ether"), NM_ether },
402 { BER_BVC("group"), NM_group },
403 { BER_BVC("host"), NM_host },
404 { BER_BVC("netgroup"), NM_netgroup },
405 { BER_BVC("network"), NM_network },
406 { BER_BVC("passwd"), NM_passwd },
407 { BER_BVC("protocol"), NM_protocol },
408 { BER_BVC("rpc"), NM_rpc },
409 { BER_BVC("service"), NM_service },
410 { BER_BVC("shadow"), NM_shadow },
414 static slap_verbmasks pam_opts[] = {
415 { BER_BVC("userhost"), NI_PAM_USERHOST },
416 { BER_BVC("userservice"), NI_PAM_USERSVC },
417 { BER_BVC("usergroup"), NI_PAM_USERGRP },
418 { BER_BVC("hostservice"), NI_PAM_HOSTSVC },
419 { BER_BVC("authz2dn"), NI_PAM_SASL2DN },
420 { BER_BVC("uid2dn"), NI_PAM_UID2DN },
432 static ConfigDriver nss_cf_gen;
434 static ConfigTable nsscfg[] = {
435 { "nssov-ssd", "service> <url", 3, 3, 0, ARG_MAGIC|NSS_SSD,
436 nss_cf_gen, "(OLcfgCtAt:3.1 NAME 'olcNssSsd' "
437 "DESC 'URL for searches in a given service' "
438 "EQUALITY caseIgnoreMatch "
439 "SYNTAX OMsDirectoryString )", NULL, NULL },
440 { "nssov-map", "service> <orig> <new", 4, 4, 0, ARG_MAGIC|NSS_MAP,
441 nss_cf_gen, "(OLcfgCtAt:3.2 NAME 'olcNssMap' "
442 "DESC 'Map <service> lookups of <orig> attr to <new> attr' "
443 "EQUALITY caseIgnoreMatch "
444 "SYNTAX OMsDirectoryString )", NULL, NULL },
445 { "nssov-pam", "options", 2, 0, 0, ARG_MAGIC|NSS_PAM,
446 nss_cf_gen, "(OLcfgCtAt:3.3 NAME 'olcNssPam' "
447 "DESC 'PAM authentication and authorization options' "
448 "EQUALITY caseIgnoreMatch "
449 "SYNTAX OMsDirectoryString )", NULL, NULL },
450 { "nssov-pam-defhost", "hostname", 2, 2, 0, ARG_OFFSET|ARG_BERVAL,
451 (void *)offsetof(struct nssov_info, ni_pam_defhost),
452 "(OLcfgCtAt:3.4 NAME 'olcNssPamDefHost' "
453 "DESC 'Default hostname for service checks' "
454 "EQUALITY caseIgnoreMatch "
455 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
456 { "nssov-pam-group-dn", "DN", 2, 2, 0, ARG_MAGIC|ARG_DN|NSS_PAMGROUP,
457 nss_cf_gen, "(OLcfgCtAt:3.5 NAME 'olcNssPamGroupDN' "
458 "DESC 'DN of group in which membership is required' "
459 "EQUALITY distinguishedNameMatch "
460 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
461 { "nssov-pam-group-ad", "attr", 2, 2, 0, ARG_OFFSET|ARG_ATDESC,
462 (void *)offsetof(struct nssov_info, ni_pam_group_ad),
463 "(OLcfgCtAt:3.6 NAME 'olcNssPamGroupAD' "
464 "DESC 'Member attribute to use for group check' "
465 "EQUALITY caseIgnoreMatch "
466 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
467 { "nssov-pam-min-uid", "uid", 2, 2, 0, ARG_OFFSET|ARG_INT,
468 (void *)offsetof(struct nssov_info, ni_pam_min_uid),
469 "(OLcfgCtAt:3.7 NAME 'olcNssPamMinUid' "
470 "DESC 'Minimum UID allowed to login' "
471 "EQUALITY integerMatch "
472 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
473 { "nssov-pam-max-uid", "uid", 2, 2, 0, ARG_OFFSET|ARG_INT,
474 (void *)offsetof(struct nssov_info, ni_pam_max_uid),
475 "(OLcfgCtAt:3.8 NAME 'olcNssPamMaxUid' "
476 "DESC 'Maximum UID allowed to login' "
477 "EQUALITY integerMatch "
478 "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
479 { "nssov-pam-template-ad", "attr", 2, 2, 0, ARG_OFFSET|ARG_ATDESC,
480 (void *)offsetof(struct nssov_info, ni_pam_template_ad),
481 "(OLcfgCtAt:3.9 NAME 'olcNssPamTemplateAD' "
482 "DESC 'Attribute to use for template login name' "
483 "EQUALITY caseIgnoreMatch "
484 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
485 { "nssov-pam-template", "name", 2, 2, 0, ARG_OFFSET|ARG_BERVAL,
486 (void *)offsetof(struct nssov_info, ni_pam_template),
487 "(OLcfgCtAt:3.10 NAME 'olcNssPamTemplate' "
488 "DESC 'Default template login name' "
489 "EQUALITY caseIgnoreMatch "
490 "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
491 { "nssov-pam-session", "service", 2, 2, 0, ARG_MAGIC|ARG_BERVAL|NSS_PAMSESS,
492 nss_cf_gen, "(OLcfgCtAt:3.11 NAME 'olcNssPamSession' "
493 "DESC 'Services for which sessions will be recorded' "
494 "EQUALITY caseIgnoreMatch "
495 "SYNTAX OMsDirectoryString )", NULL, NULL },
496 { NULL, NULL, 0,0,0, ARG_IGNORED }
499 static ConfigOCs nssocs[] = {
501 "NAME 'olcNssOvConfig' "
502 "DESC 'NSS lookup configuration' "
503 "SUP olcOverlayConfig "
504 "MAY ( olcNssSsd $ olcNssMap $ olcNssPam $ olcNssPamDefHost $ "
505 "olcNssPamGroupDN $ olcNssPamGroupAD $ "
506 "olcNssPamMinUid $ olcNssPamMaxUid $ olcNssPamSession $ "
507 "olcNssPamTemplateAD $ olcNssPamTemplate ) )",
508 Cft_Overlay, nsscfg },
513 nss_cf_gen(ConfigArgs *c)
515 slap_overinst *on = (slap_overinst *)c->bi;
516 nssov_info *ni = on->on_bi.bi_private;
521 if ( c->op == SLAP_CONFIG_EMIT ) {
525 for (i=NM_alias;i<NM_NONE;i++) {
530 mi = &ni->ni_maps[i];
532 /* ignore all-default services */
533 if ( mi->mi_scope == LDAP_SCOPE_DEFAULT &&
534 bvmatch( &mi->mi_filter, &mi->mi_filter0 ) &&
535 BER_BVISNULL( &mi->mi_base ))
538 if ( BER_BVISNULL( &mi->mi_base ))
539 base = ni->ni_db->be_nsuffix[0];
542 ldap_pvt_scope2bv(mi->mi_scope == LDAP_SCOPE_DEFAULT ?
543 LDAP_SCOPE_SUBTREE : mi->mi_scope, &scope);
544 ssd.bv_len = STRLENOF(" ldap:///???") + nss_svcs[i].word.bv_len +
545 base.bv_len + scope.bv_len + mi->mi_filter.bv_len;
546 ssd.bv_val = ch_malloc( ssd.bv_len + 1 );
547 sprintf(ssd.bv_val, "%s ldap:///%s??%s?%s", nss_svcs[i].word.bv_val,
548 base.bv_val, scope.bv_val, mi->mi_filter.bv_val );
549 ber_bvarray_add( &c->rvalue_vals, &ssd );
555 for (i=NM_alias;i<NM_NONE;i++) {
557 mi = &ni->ni_maps[i];
558 for (j=0;!BER_BVISNULL(&mi->mi_attrkeys[j]);j++) {
559 if ( ber_bvstrcasecmp(&mi->mi_attrkeys[j],
560 &mi->mi_attrs[j].an_name)) {
563 map.bv_len = nss_svcs[i].word.bv_len +
564 mi->mi_attrkeys[j].bv_len +
565 mi->mi_attrs[j].an_desc->ad_cname.bv_len + 2;
566 map.bv_val = ch_malloc(map.bv_len + 1);
567 sprintf(map.bv_val, "%s %s %s", nss_svcs[i].word.bv_val,
568 mi->mi_attrkeys[j].bv_val, mi->mi_attrs[j].an_desc->ad_cname.bv_val );
569 ber_bvarray_add( &c->rvalue_vals, &map );
576 rc = mask_to_verbs( pam_opts, ni->ni_pam_opts, &c->rvalue_vals );
579 if (!BER_BVISEMPTY( &ni->ni_pam_group_dn )) {
580 value_add_one( &c->rvalue_vals, &ni->ni_pam_group_dn );
581 value_add_one( &c->rvalue_nvals, &ni->ni_pam_group_dn );
587 if (ni->ni_pam_sessions) {
588 ber_bvarray_dup_x( &c->rvalue_vals, ni->ni_pam_sessions, NULL );
595 } else if ( c->op == LDAP_MOD_DELETE ) {
603 i = verb_to_mask(c->argv[1], nss_svcs);
607 mi = &ni->ni_maps[i];
608 rc = ldap_url_parse(c->argv[2], &lud);
613 /* Must be LDAP scheme */
614 if (strcasecmp(lud->lud_scheme,"ldap")) {
618 /* Host part, attrs, and extensions must be empty */
619 if (( lud->lud_host && *lud->lud_host ) ||
620 lud->lud_attrs || lud->lud_exts ) {
624 ber_str2bv( lud->lud_dn,0,0,&base);
625 rc = dnNormalize( 0,NULL,NULL,&base,&mi->mi_base,NULL);
628 if ( lud->lud_filter ) {
630 ber_str2bv( lud->lud_filter,0,0,&mi->mi_filter);
631 lud->lud_filter = NULL;
633 mi->mi_scope = lud->lud_scope;
635 ldap_free_urldesc( lud );
639 i = verb_to_mask(c->argv[1], nss_svcs);
643 mi = &ni->ni_maps[i];
644 for (j=0; !BER_BVISNULL(&mi->mi_attrkeys[j]); j++) {
645 if (!strcasecmp(c->argv[2],mi->mi_attrkeys[j].bv_val)) {
646 AttributeDescription *ad = NULL;
648 rc = slap_str2ad( c->argv[3], &ad, &text);
650 mi->mi_attrs[j].an_desc = ad;
651 mi->mi_attrs[j].an_name = ad->ad_cname;
659 i = verbs_to_mask(c->argc, c->argv, pam_opts, &m);
662 if ((m & NI_PAM_USERHOST) && !nssov_pam_host_ad) {
664 i = slap_str2ad("host", &nssov_pam_host_ad, &text);
665 if (i != LDAP_SUCCESS) {
666 snprintf(c->cr_msg, sizeof(c->cr_msg),
667 "nssov: host attr unknown: %s", text);
668 Debug(LDAP_DEBUG_ANY,"%s\n",c->cr_msg,0,0);
673 if ((m & (NI_PAM_USERSVC|NI_PAM_HOSTSVC)) && !nssov_pam_svc_ad) {
675 i = slap_str2ad("authorizedService", &nssov_pam_svc_ad, &text);
676 if (i != LDAP_SUCCESS) {
677 snprintf(c->cr_msg, sizeof(c->cr_msg),
678 "nssov: authorizedService attr unknown: %s", text);
679 Debug(LDAP_DEBUG_ANY,"%s\n",c->cr_msg,0,0);
689 ni->ni_pam_group_dn = c->value_ndn;
690 ch_free( c->value_dn.bv_val );
693 ber_bvarray_add( &ni->ni_pam_sessions, &c->value_bv );
704 slap_overinst *on = (slap_overinst *)be->bd_info;
709 rc = nssov_pam_init();
712 ni = ch_calloc( 1, sizeof(nssov_info) );
713 on->on_bi.bi_private = ni;
715 /* set up map keys */
716 nssov_alias_init(ni);
717 nssov_ether_init(ni);
718 nssov_group_init(ni);
720 nssov_netgroup_init(ni);
721 nssov_network_init(ni);
722 nssov_passwd_init(ni);
723 nssov_protocol_init(ni);
725 nssov_service_init(ni);
726 nssov_shadow_init(ni);
728 ni->ni_db = be->bd_self;
729 ni->ni_pam_opts = NI_PAM_UID2DN;
746 slap_overinst *on = (slap_overinst *)be->bd_info;
747 nssov_info *ni = on->on_bi.bi_private;
751 struct sockaddr_un addr;
753 /* Set default bases */
754 for (i=0; i<NM_NONE; i++) {
755 if ( BER_BVISNULL( &ni->ni_maps[i].mi_base )) {
756 ber_dupbv( &ni->ni_maps[i].mi_base, &be->be_nsuffix[0] );
758 if ( ni->ni_maps[i].mi_scope == LDAP_SCOPE_DEFAULT )
759 ni->ni_maps[i].mi_scope = LDAP_SCOPE_SUBTREE;
761 /* validate attribute maps */
763 for ( i=0; i<NM_NONE; i++,mi++) {
766 for (j=0; !BER_BVISNULL(&mi->mi_attrkeys[j]); j++) {
767 /* skip attrs we already validated */
768 if ( mi->mi_attrs[j].an_desc ) continue;
769 if ( slap_bv2ad( &mi->mi_attrs[j].an_name,
770 &mi->mi_attrs[j].an_desc, &text )) {
771 Debug(LDAP_DEBUG_ANY,"nssov: invalid attr \"%s\": %s\n",
772 mi->mi_attrs[j].an_name.bv_val, text, 0 );
776 BER_BVZERO(&mi->mi_attrs[j].an_name);
777 mi->mi_attrs[j].an_desc = NULL;
780 /* Find host and authorizedService definitions */
781 if ((ni->ni_pam_opts & NI_PAM_USERHOST) && !nssov_pam_host_ad)
784 i = slap_str2ad("host", &nssov_pam_host_ad, &text);
785 if (i != LDAP_SUCCESS) {
786 Debug(LDAP_DEBUG_ANY,"nssov: host attr unknown: %s\n",
791 if ((ni->ni_pam_opts & (NI_PAM_USERSVC|NI_PAM_HOSTSVC)) &&
795 i = slap_str2ad("authorizedService", &nssov_pam_svc_ad, &text);
796 if (i != LDAP_SUCCESS) {
797 Debug(LDAP_DEBUG_ANY,"nssov: authorizedService attr unknown: %s\n",
802 if ( slapMode & SLAP_SERVER_MODE ) {
803 /* make sure /var/run/nslcd exists */
804 if (mkdir(NSLCD_PATH, (mode_t) 0555)) {
805 Debug(LDAP_DEBUG_TRACE,"nssov: mkdir(%s) failed (ignored): %s\n",
806 NSLCD_PATH,strerror(errno),0);
808 Debug(LDAP_DEBUG_TRACE,"nssov: created %s\n",NSLCD_PATH,0,0);
811 /* create a socket */
812 if ( (sock=socket(PF_UNIX,SOCK_STREAM,0))<0 )
814 Debug(LDAP_DEBUG_ANY,"nssov: cannot create socket: %s\n",strerror(errno),0,0);
817 /* remove existing named socket */
818 if (unlink(NSLCD_SOCKET)<0)
820 Debug( LDAP_DEBUG_TRACE,"nssov: unlink() of "NSLCD_SOCKET" failed (ignored): %s\n",
821 strerror(errno),0,0);
823 /* create socket address structure */
824 memset(&addr,0,sizeof(struct sockaddr_un));
825 addr.sun_family=AF_UNIX;
826 strncpy(addr.sun_path,NSLCD_SOCKET,sizeof(addr.sun_path));
827 addr.sun_path[sizeof(addr.sun_path)-1]='\0';
828 /* bind to the named socket */
829 if (bind(sock,(struct sockaddr *)&addr,sizeof(struct sockaddr_un)))
831 Debug( LDAP_DEBUG_ANY,"nssov: bind() to "NSLCD_SOCKET" failed: %s",
832 strerror(errno),0,0);
834 Debug( LDAP_DEBUG_ANY,"nssov: problem closing socket: %s",strerror(errno),0,0);
837 /* close the file descriptor on exit */
838 if (fcntl(sock,F_SETFD,FD_CLOEXEC)<0)
840 Debug( LDAP_DEBUG_ANY,"nssov: fcntl(F_SETFL,O_NONBLOCK) failed: %s",strerror(errno),0,0);
842 Debug( LDAP_DEBUG_ANY,"nssov: problem closing socket: %s",strerror(errno),0,0);
845 /* set permissions of socket so anybody can do requests */
846 /* Note: we use chmod() here instead of fchmod() because
847 fchmod does not work on sockets
848 http://www.opengroup.org/onlinepubs/009695399/functions/fchmod.html
849 http://lkml.org/lkml/2005/5/16/11 */
850 if (chmod(NSLCD_SOCKET,(mode_t)0666))
852 Debug( LDAP_DEBUG_ANY,"nssov: chmod(0666) failed: %s",strerror(errno),0,0);
854 Debug( LDAP_DEBUG_ANY,"nssov: problem closing socket: %s",strerror(errno),0,0);
857 /* start listening for connections */
858 if (listen(sock,SOMAXCONN)<0)
860 Debug( LDAP_DEBUG_ANY,"nssov: listen() failed: %s",strerror(errno),0,0);
862 Debug( LDAP_DEBUG_ANY,"nssov: problem closing socket: %s",strerror(errno),0,0);
865 ni->ni_socket = sock;
866 ni->ni_conn = connection_client_setup( sock, acceptconn, ni );
877 slap_overinst *on = (slap_overinst *)be->bd_info;
878 nssov_info *ni = on->on_bi.bi_private;
880 /* close socket if it's still in use */
881 if (ni->ni_socket >= 0);
883 if (close(ni->ni_socket))
884 Debug( LDAP_DEBUG_ANY,"problem closing server socket (ignored): %s",strerror(errno),0,0);
887 /* remove existing named socket */
888 if (unlink(NSLCD_SOCKET)<0)
890 Debug( LDAP_DEBUG_TRACE,"unlink() of "NSLCD_SOCKET" failed (ignored): %s",
891 strerror(errno),0,0);
895 static slap_overinst nssov;
898 nssov_initialize( void )
902 nssov.on_bi.bi_type = "nssov";
903 nssov.on_bi.bi_db_init = nssov_db_init;
904 nssov.on_bi.bi_db_destroy = nssov_db_destroy;
905 nssov.on_bi.bi_db_open = nssov_db_open;
906 nssov.on_bi.bi_db_close = nssov_db_close;
908 nssov.on_bi.bi_cf_ocs = nssocs;
910 rc = config_register_schema( nsscfg, nssocs );
913 return overlay_register(&nssov);
916 #if SLAPD_OVER_NSSOV == SLAPD_MOD_DYNAMIC
918 init_module( int argc, char *argv[] )
920 return nssov_initialize();