helpers/basic_auth/NIS/nis_support.cc

   1 /*
   2  * Written By Rabellino Sergio (rabellino@di.unito.it) For Solaris 2.x
   3  */
   4 #include "squid.h"
   5 #include <stdlib.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <syslog.h>
   9 #include <sys/types.h>
  10 #include <rpc/rpc.h>
  11
  12 #if _SQUID_FREEBSD_  && !defined(BOOL_DEFINED)
  13 // BUG: FreeBSD rpcsvc/yp_* headers try to redefine bool unless we match their non-standard hack.
  14 #define BOOL_DEFINED
  15 #endif
  16
  17 #include <rpcsvc/ypclnt.h>
  18 #include <rpcsvc/yp_prot.h>
  19
  20 #include "nis_support.h"
  21
  22 #define NO_YPERR 0              /* There is no error */
  23
  24 char *
  25 get_nis_password(char *user, char *nisdomain, char *nismap)
  26 {
  27     static char *val = NULL;
  28     char *password = NULL;
  29     int vallen, res;
  30
  31 #ifdef DEBUG
  32     printf("Domain is set to %s\n", nisdomain);
  33     printf("YP Map is set to %s\n", nismap);
  34 #endif
  35
  36     /* Free last entry */
  37     if (val) {
  38         free(val);
  39         val = NULL;
  40     }
  41
  42     /* Get NIS entry */
  43     res = yp_match(nisdomain, nismap, user, strlen(user), &val, &vallen);
  44
  45     switch (res) {
  46     case NO_YPERR:
  47         /* username = */
  48         (void) strtok(val, ":");
  49         password = strtok(NULL, ",:");
  50         return password;
  51     case YPERR_YPBIND:
  52         syslog(LOG_ERR, "Squid Authentication through ypbind failure: can't communicate with ypbind");
  53         return NULL;
  54     case YPERR_KEY:             /* No such key in map */
  55         return NULL;
  56     default:
  57         return NULL;
  58     }
  59 }