tools/regression/lib/libc/nss/test-getusershell.c

   1 /*-
   2  * Copyright (c) 2006 Michael Bushkov <bushman@freebsd.org>
   3  * All rights repwded.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  */
  27
  28 #include <sys/cdefs.h>
  29 __FBSDID("$FreeBSD$");
  30
  31 #include <assert.h>
  32 #include <errno.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <unistd.h>
  37 #include "testutil.h"
  38
  39 enum test_methods {
  40         TEST_GETUSERSHELL,
  41         TEST_BUILD_SNAPSHOT
  42 };
  43
  44 struct usershell {
  45         char *path;
  46 };
  47
  48 static int debug = 0;
  49 static enum test_methods method = TEST_GETUSERSHELL;
  50
  51 DECLARE_TEST_DATA(usershell)
  52 DECLARE_TEST_FILE_SNAPSHOT(usershell)
  53 DECLARE_2PASS_TEST(usershell)
  54
  55 static void clone_usershell(struct usershell *, struct usershell const *);
  56 static int compare_usershell(struct usershell *, struct usershell *, void *);
  57 static void free_usershell(struct usershell *);
  58
  59 static void sdump_usershell(struct usershell *, char *, size_t);
  60 static void dump_usershell(struct usershell *);
  61
  62 static int usershell_read_snapshot_func(struct usershell *, char *);
  63
  64 static void usage(void)  __attribute__((__noreturn__));
  65
  66 IMPLEMENT_TEST_DATA(usershell)
  67 IMPLEMENT_TEST_FILE_SNAPSHOT(usershell)
  68 IMPLEMENT_2PASS_TEST(usershell)
  69
  70 static void
  71 clone_usershell(struct usershell *dest, struct usershell const *src)
  72 {
  73         assert(dest != NULL);
  74         assert(src != NULL);
  75
  76         if (src->path != NULL) {
  77                 dest->path = strdup(src->path);
  78                 assert(dest->path != NULL);
  79         }
  80 }
  81
  82 static int
  83 compare_usershell(struct usershell *us1, struct usershell *us2, void *mdata)
  84 {
  85         int rv;
  86
  87         assert(us1 != NULL);
  88         assert(us2 != NULL);
  89
  90         dump_usershell(us1);
  91         dump_usershell(us2);
  92
  93         if (us1 == us2)
  94                 return (0);
  95
  96         rv = strcmp(us1->path, us2->path);
  97         if (rv != 0) {
  98                 printf("following structures are not equal:\n");
  99                 dump_usershell(us1);
 100                 dump_usershell(us2);
 101         }
 102
 103         return (rv);
 104 }
 105
 106 static void
 107 free_usershell(struct usershell *us)
 108 {
 109         free(us->path);
 110 }
 111
 112 static void
 113 sdump_usershell(struct usershell *us, char *buffer, size_t buflen)
 114 {
 115         snprintf(buffer, buflen, "%s", us->path);
 116 }
 117
 118 static void
 119 dump_usershell(struct usershell *us)
 120 {
 121         if (us != NULL) {
 122                 char buffer[2048];
 123                 sdump_usershell(us, buffer, sizeof(buffer));
 124                 printf("%s\n", buffer);
 125         } else
 126                 printf("(null)\n");
 127 }
 128
 129 static int
 130 usershell_read_snapshot_func(struct usershell *us, char *line)
 131 {
 132         us->path = strdup(line);
 133         assert(us->path != NULL);
 134
 135         return (0);
 136 }
 137
 138 static void
 139 usage(void)
 140 {
 141         (void)fprintf(stderr,
 142             "Usage: %s [-d] -s <file>\n",
 143             getprogname());
 144         exit(1);
 145 }
 146
 147 int
 148 main(int argc, char **argv)
 149 {
 150         struct usershell_test_data td, td_snap;
 151         struct usershell ushell;
 152         char *snapshot_file;
 153         int rv;
 154         int c;
 155
 156         if (argc < 2)
 157                 usage();
 158
 159         rv = 0;
 160         snapshot_file = NULL;
 161         while ((c = getopt(argc, argv, "ds:")) != -1) {
 162                 switch (c) {
 163                 case 'd':
 164                         debug = 1;
 165                         break;
 166                 case 's':
 167                         snapshot_file = strdup(optarg);
 168                         break;
 169                 default:
 170                         usage();
 171                 }
 172         }
 173
 174         TEST_DATA_INIT(usershell, &td, clone_usershell, free_usershell);
 175         TEST_DATA_INIT(usershell, &td_snap, clone_usershell, free_usershell);
 176
 177         setusershell();
 178         while ((ushell.path = getusershell()) != NULL) {
 179                 if (debug) {
 180                         printf("usershell found:\n");
 181                         dump_usershell(&ushell);
 182                 }
 183                 TEST_DATA_APPEND(usershell, &td, &ushell);
 184         }
 185         endusershell();
 186
 187
 188         if (snapshot_file != NULL) {
 189                 if (access(snapshot_file, W_OK | R_OK) != 0) {
 190                         if (errno == ENOENT)
 191                                 method = TEST_BUILD_SNAPSHOT;
 192                         else {
 193                                 if (debug)
 194                                     printf("can't access the snapshot file %s\n",
 195                                     snapshot_file);
 196
 197                                 rv = -1;
 198                                 goto fin;
 199                         }
 200                 } else {
 201                         rv = TEST_SNAPSHOT_FILE_READ(usershell, snapshot_file,
 202                                 &td_snap, usershell_read_snapshot_func);
 203                         if (rv != 0) {
 204                                 if (debug)
 205                                         printf("error reading snapshot file\n");
 206                                 goto fin;
 207                         }
 208                 }
 209         }
 210
 211         switch (method) {
 212         case TEST_GETUSERSHELL:
 213                 if (snapshot_file != NULL) {
 214                         rv = DO_2PASS_TEST(usershell, &td, &td_snap,
 215                                 compare_usershell, NULL);
 216                 }
 217                 break;
 218         case TEST_BUILD_SNAPSHOT:
 219                 if (snapshot_file != NULL) {
 220                     rv = TEST_SNAPSHOT_FILE_WRITE(usershell, snapshot_file, &td,
 221                         sdump_usershell);
 222                 }
 223                 break;
 224         default:
 225                 rv = 0;
 226                 break;
 227         };
 228
 229 fin:
 230         TEST_DATA_DESTROY(usershell, &td_snap);
 231         TEST_DATA_DESTROY(usershell, &td);
 232         free(snapshot_file);
 233         return (rv);
 234
 235 }