src/x3ldap.c

   1 /*
   2  *
   3  * LDAP functionality for x3, by Rubin
   4  *
   5  * TODO:
   6  *   * get queries working in static existance, so i understand how it works
   7  *   * get ldap enabled in ./configure
   8  *   * x3.conf settings to enable/configure its use
   9  *   * generic functions to enable ldap
  10  *   * nickserv.c work to use said functions.
  11  */
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <ldap.h>
  16 //#include <sys/select.h>
  17
  18 #include "conf.h"
  19 #include "config.h"
  20 #include "global.h"
  21 #include "x3ldap.h"
  22
  23 #ifdef HAVE_FCNTL_H
  24 #include <fcntl.h>
  25 #endif
  26 #ifdef HAVE_SYS_SELECT_H
  27 #include <sys/select.h>
  28 #endif
  29 #ifdef HAVE_SYS_SOCKET_H
  30 #include <sys/socket.h>
  31 #endif
  32
  33 #ifdef WITH_LDAP
  34
  35 /* char dn[] = "uid=%s,ou=Users,dc=afternet,dc=org";
  36 char password[] = "xxxxxxx";
  37 char base[] = "ou=Users,dc=afternet,dc=org";
  38 int ldap_version = 3;
  39 */
  40 extern struct nickserv_config nickserv_conf;
  41
  42
  43 /* TODO: change all these printfs to proper debug statements */
  44
  45 LDAP *ld = NULL;
  46
  47 int ldap_do_init()
  48 {
  49    /* TODO: check here for all required config options and exit() out if not present */
  50    ld = ldap_init(nickserv_conf.ldap_host, nickserv_conf.ldap_port);
  51    if(ld == NULL) {
  52       printf("Failed!\n");
  53       exit(1);
  54    }
  55    ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &nickserv_conf.ldap_version);
  56    printf("Success! ldap_init() was successfull in connecting to %s port %d\n", nickserv_conf.ldap_host, nickserv_conf.ldap_port );
  57    return true;
  58 }
  59
  60 /* Try to auth someone. If theres problems, try reconnecting
  61  * once every 10 seconds for 1 minute.
  62  * TODO: move this stuff to config file
  63  */
  64 unsigned int ldap_check_auth( char *account, char *pass)
  65 {
  66    char buff[MAXLEN];
  67    int q;
  68
  69    memset(buff, 0, MAXLEN);
  70    snprintf(buff, sizeof(buff)-1, nickserv_conf.ldap_dn_fmt /*"uid=%s,ou=Users,dc=afternet,dc=org"*/, account);
  71    int n = 0;
  72    while(1) {
  73       q = ldap_simple_bind_s(ld, buff, pass);
  74       if(q == LDAP_SUCCESS) {
  75          return true;
  76       }
  77       else if(q == LDAP_INVALID_CREDENTIALS) {
  78         return false;
  79       }
  80       else {
  81         printf("Bind failed: %s/******  (%d)\n", buff, q);
  82         ldap_perror(ld, "ldap");
  83         /* Re-init to re-connect to ldap server if thats the problem */
  84         sleep(10);
  85         ldap_do_init(nickserv_conf);
  86       }
  87       if(n++ > 6) {
  88          printf("Failing to reconnect to ldap server. Dieing.");
  89          exit(1);
  90       }
  91    }
  92    printf("bind() successfull! You are bound as %s\n", buff);
  93    return true;
  94
  95 }
  96
  97 #ifdef notdef /* not used yet - will be used to pull email etc out of ldap */
  98 LDAPMessage ldap_search_user(char uid)
  99 {
 100
 101    char filter[] = "cn=admin";
 102
 103    struct timeval timeout;
 104    /*
 105     Now we do a search;
 106     */
 107    timeout.tv_usec = 0;
 108    timeout.tv_sec  = 5;
 109    if( ldap_search_st(ld, base, LDAP_SCOPE_ONELEVEL, filter, NULL, 0, &timeout, &res) != LDAP_SUCCESS) {
 110        printf("search failed: %s   %s\n", base, filter);
 111        exit(1);
 112    }
 113    printf("Search successfull!  %s    %s\n", base, filter);
 114    printf("Got %d entries\n", ldap_count_entries(ld, res));
 115    {
 116       LDAPMessage *entry;
 117       char **value;
 118       entry = ldap_first_entry(ld, res);
 119       value = ldap_get_values(ld, entry, "cn");
 120       printf("cn: %s\n", value[0]);
 121       value = ldap_get_values(ld, entry, "description");
 122       printf("Description: %s\n", value[0]);
 123       value = ldap_get_values(ld, entry, "userPassword");
 124       printf("pass: %s\n", value ? value[0] : "error");
 125    }
 126    /*
 127    ldap_result();
 128    ldap_first_entry();
 129    ldap_first_attribute();
 130    for(;;) {
 131       ldap_get_values();
 132       ldap_next_attribute();
 133    }
 134
 135    ldap_parse_result();
 136
 137    ldap_unbind_ext();
 138
 139    */
 140    /* get errors with ldap_err2string(); */
 141 }
 142
 143 #endif
 144
 145 void ldap_close()
 146 {
 147    ldap_unbind(ld);
 148 }
 149
 150 #endif