/* alias.c - alias entry lookup routines Parts of this file were part of the nss_ldap library (as ldap-alias.c) which has been forked into the nss-pam-ldapd library. Copyright (C) 1997-2005 Luke Howard Copyright (C) 2006 West Consulting Copyright (C) 2006, 2007, 2009, 2010, 2011 Arthur de Jong This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include #include #include #include "common.h" #include "log.h" #include "myldap.h" #include "cfg.h" #include "attmap.h" /* Vendor-specific attributes and object classes. * (Mainly from Sun.) * ( 1.3.6.1.4.1.42.2.27.1.2.5 NAME 'nisMailAlias' SUP top STRUCTURAL * DESC 'NIS mail alias' * MUST cn * MAY rfc822MailMember ) */ /* the search base for searches */ const char *alias_bases[NSS_LDAP_CONFIG_MAX_BASES] = { NULL }; /* the search scope for searches */ int alias_scope = LDAP_SCOPE_DEFAULT; /* the basic search filter for searches */ const char *alias_filter = "(objectClass=nisMailAlias)"; /* the attributes to request with searches */ const char *attmap_alias_cn = "cn"; const char *attmap_alias_rfc822MailMember = "rfc822MailMember"; /* the attribute list to request with searches */ static const char *alias_attrs[3]; /* create a search filter for searching an alias by name, return -1 on errors */ static int mkfilter_alias_byname(const char *name, char *buffer,size_t buflen) { char safename[300]; /* escape attribute */ if (myldap_escape(name,safename,sizeof(safename))) return -1; /* build filter */ return mysnprintf(buffer,buflen, "(&%s(%s=%s))", alias_filter, attmap_alias_cn,safename); } void alias_init(void) { int i; /* set up search bases */ if (alias_bases[0]==NULL) for (i=0;ildc_bases[i]; /* set up scope */ if (alias_scope==LDAP_SCOPE_DEFAULT) alias_scope=nslcd_cfg->ldc_scope; /* set up attribute list */ alias_attrs[0]=attmap_alias_cn; alias_attrs[1]=attmap_alias_rfc822MailMember; alias_attrs[2]=NULL; } static int write_alias(TFILE *fp,MYLDAP_ENTRY *entry,const char *reqalias) { int32_t tmpint32,tmp2int32,tmp3int32; const char **names,**members; int i; /* get the name of the alias */ names=myldap_get_values(entry,attmap_alias_cn); if ((names==NULL)||(names[0]==NULL)) { log_log(LOG_WARNING,"%s: %s: missing", myldap_get_dn(entry),attmap_alias_cn); return 0; } /* get the members of the alias */ members=myldap_get_values(entry,attmap_alias_rfc822MailMember); /* for each name, write an entry */ for (i=0;names[i]!=NULL;i++) { if ((reqalias==NULL)||(strcasecmp(reqalias,names[i])==0)) { WRITE_INT32(fp,NSLCD_RESULT_BEGIN); WRITE_STRING(fp,names[i]); WRITE_STRINGLIST(fp,members); } } return 0; } NSLCD_HANDLE( alias,byname, char name[256]; char filter[1024]; READ_STRING(fp,name); log_setrequest("alias=\"%s\"",name);, NSLCD_ACTION_ALIAS_BYNAME, mkfilter_alias_byname(name,filter,sizeof(filter)), write_alias(fp,entry,name) ) NSLCD_HANDLE( alias,all, const char *filter; log_setrequest("alias(all)");, NSLCD_ACTION_ALIAS_ALL, (filter=alias_filter,0), write_alias(fp,entry,NULL) )