helpers/basic_auth/YP/yp_auth.c

   1 /*
   2  * Adapted By Rabellino Sergio (rabellino@di.unito.it) For Solaris 2.x
   3  * From NCSA Authentication module
   4  */
   5
   6 #include "config.h"
   7 #if HAVE_STDIO_H
   8 #include <stdio.h>
   9 #endif
  10 #if HAVE_STDLIB_H
  11 #include <stdlib.h>
  12 #endif
  13 #if HAVE_UNISTD_H
  14 #include <unistd.h>
  15 #endif
  16 #if HAVE_STRING_H
  17 #include <string.h>
  18 #endif
  19 #if HAVE_SYS_TYPES_H
  20 #include <sys/types.h>
  21 #endif
  22 #if HAVE_SYS_STAT_H
  23 #include <sys/stat.h>
  24 #endif
  25 #if HAVE_CRYPT_H
  26 #include <crypt.h>
  27 #endif
  28
  29 #include "util.h"
  30 #include "hash.h"
  31
  32 int get_nis_password();
  33
  34
  35 int
  36 main(int argc, char **argv)
  37 {
  38     char buf[256];
  39     char nispasswd[15];
  40     char *nisdomain;
  41     char *nismap;
  42     char *user, *passwd, *p;
  43     int res;
  44     setbuf(stdout, NULL);
  45
  46     if (argc != 3) {
  47         fprintf(stderr, "Usage: yp_auth <domainname> <nis map for password>\n");
  48         fprintf(stderr, "\n");
  49         fprintf(stderr, "Example yp_auth mydomain.com passwd.byname\n");
  50         exit(1);
  51     }
  52     nisdomain = argv[1];
  53     nismap = argv[2];
  54
  55     while (fgets(buf, 256, stdin) != NULL) {
  56         if ((p = strchr(buf, '\n')) != NULL)
  57             *p = '\0';          /* strip \n */
  58
  59         if ((user = strtok(buf, " ")) == NULL) {
  60             printf("ERR\n");
  61             continue;
  62         }
  63         if ((passwd = strtok(NULL, "")) == NULL) {
  64             printf("ERR\n");
  65             continue;
  66         }
  67         res = get_nis_password(user, nispasswd, nisdomain, nismap);
  68
  69         if (res) {
  70             /* User does not exist */
  71             printf("ERR\n");
  72         } else if (strcmp(nispasswd, (char *) crypt(passwd, nispasswd))) {
  73             /* Password incorrect */
  74             printf("ERR\n");
  75         } else {
  76             /* All ok !, thanks... */
  77             printf("OK\n");
  78         }
  79     }
  80     exit(0);
  81 }