+//return !0 iff property changed.
+int vcard_set_props_iff_different(struct vCard *v,char *propname,int numvals, char **vals) {
+ int i;
+ char *oldval = "";
+ for(i=0;i<numvals;i++) {
+ oldval = vcard_get_prop(v,propname,0,i,0);
+ if (oldval == NULL) break;
+ if (strcmp(vals[i],oldval)) break;
+ }
+ if (i!=numvals) {
+ syslog(LOG_DEBUG, "ldap: vcard property %s, element %d of %d changed from %s to %s\n", propname, i, numvals, oldval, vals[i]);
+ for(i=0;i<numvals;i++) vcard_set_prop(v,propname,vals[i],(i==0) ? 0 : 1);
+ return 1;
+ }
+ return 0;
+}
+
+
+//return !0 iff property changed.
+int vcard_set_one_prop_iff_different(struct vCard *v,char *propname, char *newfmt, ...) {
+ va_list args;
+ char *newvalue;
+ int changed_something;
+ va_start(args,newfmt);
+ if (-1==vasprintf(&newvalue,newfmt,args)) {
+ syslog(LOG_ERR, "ldap: out of memory!");
+ return 0;
+ }
+ changed_something = vcard_set_props_iff_different(v,propname,1,&newvalue);
+ va_end(args);
+ free(newvalue);
+ return changed_something;
+}
+
+
+/*
+ * Learn LDAP attributes and stuff them into the vCard.
+ * Returns nonzero if we changed anything.
+ */
+int Ctdl_LDAP_to_vCard(char *ldap_dn, struct vCard *v)
+{
+ int changed_something = 0;
+ LDAP *ldserver = NULL;
+ int i;
+ struct timeval tv;
+ LDAPMessage *search_result = NULL;
+ LDAPMessage *entry = NULL;
+ char **givenName;
+ char **sn;
+ char **cn;
+ char **initials;
+ char **o;
+ char **street;
+ char **l;
+ char **st;
+ char **postalCode;
+ char **telephoneNumber;
+ char **mobile;
+ char **homePhone;
+ char **facsimileTelephoneNumber;
+ char **mail;
+ char **uid;
+ char **homeDirectory;
+ char **uidNumber;
+ char **loginShell;
+ char **gidNumber;
+ char **c;
+ char **title;
+ char **uuid;
+ char *attrs[] = { "*","+",NULL};
+
+ if (!ldap_dn) return(0);
+ if (!v) return(0);
+
+ if (ctdl_ldap_initialize(&ldserver) != LDAP_SUCCESS) {
+ return(0);
+ }
+
+ ldap_set_option(ldserver, LDAP_OPT_PROTOCOL_VERSION, &ctdl_require_ldap_version);
+ ldap_set_option(ldserver, LDAP_OPT_REFERRALS, (void *)LDAP_OPT_OFF);
+
+ striplt(CtdlGetConfigStr("c_ldap_bind_dn"));
+ striplt(CtdlGetConfigStr("c_ldap_bind_pw"));
+ syslog(LOG_DEBUG, "ldap: bind DN: %s", CtdlGetConfigStr("c_ldap_bind_dn"));
+ i = ldap_simple_bind_s(ldserver,
+ (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_dn")) ? CtdlGetConfigStr("c_ldap_bind_dn") : NULL),
+ (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_pw")) ? CtdlGetConfigStr("c_ldap_bind_pw") : NULL)
+ );
+ if (i != LDAP_SUCCESS) {
+ syslog(LOG_ERR, "ldap: Cannot bind: %s (%d)", ldap_err2string(i), i);
+ return(0);
+ }
+
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
+
+ syslog(LOG_DEBUG, "ldap: search: %s", ldap_dn);
+ (void) ldap_search_ext_s(
+ ldserver, // ld
+ ldap_dn, // base
+ LDAP_SCOPE_SUBTREE, // scope
+ NULL, // filter
+ attrs, // attrs (all attributes)
+ 0, // attrsonly (attrs + values)
+ NULL, // serverctrls (none)
+ NULL, // clientctrls (none)
+ &tv, // timeout
+ 1, // sizelimit (1 result max)
+ &search_result // res
+ );
+
+ /* Ignore the return value of ldap_search_ext_s(). Sometimes it returns an error even when
+ * the search succeeds. Instead, we check to see whether search_result is still NULL.
+ */
+ if (search_result == NULL) {
+ syslog(LOG_DEBUG, "ldap: zero search results were returned");
+ ldap_unbind(ldserver);
+ return(0);
+ }
+
+ /* At this point we've got at least one result from our query. If there are multiple
+ * results, we still only look at the first one.
+ */
+ entry = ldap_first_entry(ldserver, search_result);
+ if (entry) {
+ syslog(LOG_DEBUG, "ldap: search got user details for vcard.");
+ givenName=ldap_get_values(ldserver, search_result, "givenName");
+ sn=ldap_get_values(ldserver, search_result, "sn");
+ cn=ldap_get_values(ldserver, search_result, "cn");
+ initials=ldap_get_values(ldserver, search_result, "initials");
+ title=ldap_get_values(ldserver, search_result, "title");
+ o=ldap_get_values(ldserver, search_result, "o");
+ street=ldap_get_values(ldserver, search_result, "street");
+ l=ldap_get_values(ldserver, search_result, "l");
+ st=ldap_get_values(ldserver, search_result, "st");
+ postalCode=ldap_get_values(ldserver, search_result, "postalCode");
+ telephoneNumber=ldap_get_values(ldserver, search_result, "telephoneNumber");
+ mobile=ldap_get_values(ldserver, search_result, "mobile");
+ homePhone=ldap_get_values(ldserver, search_result, "homePhone");
+ facsimileTelephoneNumber=ldap_get_values(ldserver, search_result, "facsimileTelephoneNumber");
+ mail=ldap_get_values(ldserver, search_result, "mail");
+ uid=ldap_get_values(ldserver, search_result, "uid");
+ homeDirectory=ldap_get_values(ldserver, search_result, "homeDirectory");
+ uidNumber=ldap_get_values(ldserver, search_result, "uidNumber");
+ loginShell=ldap_get_values(ldserver, search_result, "loginShell");
+ gidNumber=ldap_get_values(ldserver, search_result, "gidNumber");
+ c=ldap_get_values(ldserver, search_result, "c");
+ uuid=ldap_get_values(ldserver, search_result, "entryUUID");
+
+ if (street && l && st && postalCode && c) changed_something |= vcard_set_one_prop_iff_different(v,"adr",";;%s;%s;%s;%s;%s",street[0],l[0],st[0],postalCode[0],c[0]);
+ if (telephoneNumber) changed_something |= vcard_set_one_prop_iff_different(v,"tel;work","%s",telephoneNumber[0]);
+ if (facsimileTelephoneNumber) changed_something |= vcard_set_one_prop_iff_different(v,"tel;fax","%s",facsimileTelephoneNumber[0]);
+ if (mobile) changed_something |= vcard_set_one_prop_iff_different(v,"tel;cell","%s",mobile[0]);
+ if (homePhone) changed_something |= vcard_set_one_prop_iff_different(v,"tel;home","%s",homePhone[0]);
+ if (givenName && sn) {
+ if (initials) {
+ changed_something |= vcard_set_one_prop_iff_different(v,"n","%s;%s;%s",sn[0],givenName[0],initials[0]);
+ }
+ else {
+ changed_something |= vcard_set_one_prop_iff_different(v,"n","%s;%s",sn[0],givenName[0]);
+ }
+ }
+ if (mail) {
+ changed_something |= vcard_set_props_iff_different(v,"email;internet",ldap_count_values(mail),mail);
+ }
+ if (uuid) changed_something |= vcard_set_one_prop_iff_different(v,"X-uuid","%s",uuid[0]);
+ if (o) changed_something |= vcard_set_one_prop_iff_different(v,"org","%s",o[0]);
+ if (cn) changed_something |= vcard_set_one_prop_iff_different(v,"fn","%s",cn[0]);
+ if (title) changed_something |= vcard_set_one_prop_iff_different(v,"title","%s",title[0]);
+
+ if (givenName) ldap_value_free(givenName);
+ if (initials) ldap_value_free(initials);
+ if (sn) ldap_value_free(sn);
+ if (cn) ldap_value_free(cn);
+ if (o) ldap_value_free(o);
+ if (street) ldap_value_free(street);
+ if (l) ldap_value_free(l);
+ if (st) ldap_value_free(st);
+ if (postalCode) ldap_value_free(postalCode);
+ if (telephoneNumber) ldap_value_free(telephoneNumber);
+ if (mobile) ldap_value_free(mobile);
+ if (homePhone) ldap_value_free(homePhone);
+ if (facsimileTelephoneNumber) ldap_value_free(facsimileTelephoneNumber);
+ if (mail) ldap_value_free(mail);
+ if (uid) ldap_value_free(uid);
+ if (homeDirectory) ldap_value_free(homeDirectory);
+ if (uidNumber) ldap_value_free(uidNumber);
+ if (loginShell) ldap_value_free(loginShell);
+ if (gidNumber) ldap_value_free(gidNumber);
+ if (c) ldap_value_free(c);
+ if (title) ldap_value_free(title);
+ if (uuid) ldap_value_free(uuid);
+ }
+ /* free the results */
+ ldap_msgfree(search_result);
+
+ /* unbind so we can go back in as the authenticating user */
+ ldap_unbind(ldserver);
+ return(changed_something); /* tell the caller whether we made any changes */
+}
+
+
+/*
+ * Extract a user's Internet email addresses from LDAP.
+ * Returns zero if we got a valid set of addresses; nonzero for error.
+ */
+int extract_email_addresses_from_ldap(char *ldap_dn, char *emailaddrs)
+{
+ LDAP *ldserver = NULL;
+ int i;
+ struct timeval tv;
+ LDAPMessage *search_result = NULL;
+ LDAPMessage *entry = NULL;
+ char **mail;
+ char *attrs[] = { "*","+",NULL};
+
+ if (!ldap_dn) return(1);
+ if (!emailaddrs) return(1);
+
+ if (ctdl_ldap_initialize(&ldserver) != LDAP_SUCCESS) {
+ return(2);
+ }
+
+ ldap_set_option(ldserver, LDAP_OPT_PROTOCOL_VERSION, &ctdl_require_ldap_version);
+ ldap_set_option(ldserver, LDAP_OPT_REFERRALS, (void *)LDAP_OPT_OFF);
+
+ striplt(CtdlGetConfigStr("c_ldap_bind_dn"));
+ striplt(CtdlGetConfigStr("c_ldap_bind_pw"));
+ syslog(LOG_DEBUG, "ldap: bind DN: %s", CtdlGetConfigStr("c_ldap_bind_dn"));
+ i = ldap_simple_bind_s(ldserver,
+ (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_dn")) ? CtdlGetConfigStr("c_ldap_bind_dn") : NULL),
+ (!IsEmptyStr(CtdlGetConfigStr("c_ldap_bind_pw")) ? CtdlGetConfigStr("c_ldap_bind_pw") : NULL)
+ );
+ if (i != LDAP_SUCCESS) {
+ syslog(LOG_ERR, "ldap: Cannot bind: %s (%d)", ldap_err2string(i), i);
+ return(3);
+ }
+
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
+
+ syslog(LOG_DEBUG, "ldap: search: %s", ldap_dn);
+ (void) ldap_search_ext_s(
+ ldserver, // ld
+ ldap_dn, // base
+ LDAP_SCOPE_SUBTREE, // scope
+ NULL, // filter
+ attrs, // attrs (all attributes)
+ 0, // attrsonly (attrs + values)
+ NULL, // serverctrls (none)
+ NULL, // clientctrls (none)
+ &tv, // timeout
+ 1, // sizelimit (1 result max)
+ &search_result // res
+ );
+
+ /* Ignore the return value of ldap_search_ext_s(). Sometimes it returns an error even when
+ * the search succeeds. Instead, we check to see whether search_result is still NULL.
+ */
+ if (search_result == NULL) {
+ syslog(LOG_DEBUG, "ldap: zero search results were returned");
+ ldap_unbind(ldserver);
+ return(4);
+ }