source4/lib/ldb/tools/cmdline.c

   1 /*
   2    ldb database library - command line handling for ldb tools
   3
   4    Copyright (C) Andrew Tridgell  2005
   5
   6      ** NOTE! The following LGPL license applies to the ldb
   7      ** library. This does NOT imply that all of Samba is released
   8      ** under the LGPL
   9
  10    This library is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU Lesser General Public
  12    License as published by the Free Software Foundation; either
  13    version 2 of the License, or (at your option) any later version.
  14
  15    This library is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    Lesser General Public License for more details.
  19
  20    You should have received a copy of the GNU Lesser General Public
  21    License along with this library; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23 */
  24
  25 #include "includes.h"
  26 #include "ldb/include/ldb.h"
  27 #include "ldb/include/ldb_private.h"
  28 #include "ldb/tools/cmdline.h"
  29 #ifdef _SAMBA_BUILD_
  30 #include "lib/cmdline/popt_common.h"
  31 #endif
  32
  33 /*
  34   process command line options
  35 */
  36 struct ldb_cmdline *ldb_cmdline_process(struct ldb_context *ldb, int argc, const char **argv,
  37                                         void (*usage)(void))
  38 {
  39         struct ldb_cmdline options, *ret=NULL;
  40         poptContext pc;
  41 #ifdef _SAMBA_BUILD_
  42         int r;
  43 #endif
  44         int num_options = 0;
  45         int opt;
  46         struct poptOption popt_options[] = {
  47                 POPT_AUTOHELP
  48                 { "url",       'H', POPT_ARG_STRING, &options.url, 0, "database URL", "URL" },
  49                 { "basedn",    'b', POPT_ARG_STRING, &options.basedn, 0, "base DN", "DN" },
  50                 { "editor",    'e', POPT_ARG_STRING, &options.editor, 0, "external editor", "PROGRAM" },
  51                 { "scope",     's', POPT_ARG_STRING, NULL, 's', "search scope", "SCOPE" },
  52                 { "verbose",   'v', POPT_ARG_NONE, NULL, 'v', "increase verbosity", NULL },
  53                 { "interactive", 'i', POPT_ARG_NONE, &options.interactive, 0, "input from stdin", NULL },
  54                 { "recursive", 'r', POPT_ARG_NONE, &options.recursive, 0, "recursive delete", NULL },
  55                 { "num-searches", 0, POPT_ARG_INT, &options.num_searches, 0, "number of test searches", NULL },
  56                 { "num-records", 0, POPT_ARG_INT, &options.num_records, 0, "number of test records", NULL },
  57                 { "all", 'a',    POPT_ARG_NONE, &options.all_records, 0, "dn=*", NULL },
  58                 { "sorted", 'S', POPT_ARG_NONE, &options.sorted, 0, "sort attributes", NULL },
  59                 { "sasl-mechanism", 0, POPT_ARG_STRING, &options.sasl_mechanism, 0, "choose SASL mechanism", "MECHANISM" },
  60                 { "input", 'I', POPT_ARG_STRING, &options.input, 0, "Input File", "Input" },
  61                 { "output", 'O', POPT_ARG_STRING, &options.output, 0, "Output File", "Output" },
  62                 { NULL,    'o', POPT_ARG_STRING, NULL, 'o', "ldb_connect option", "OPTION" },
  63 #ifdef _SAMBA_BUILD_
  64                 POPT_COMMON_SAMBA
  65                 POPT_COMMON_CREDENTIALS
  66                 POPT_COMMON_VERSION
  67 #endif
  68                 POPT_TABLEEND
  69         };
  70
  71 #ifdef _SAMBA_BUILD_
  72         ldbsearch_init_subsystems;
  73         r = ldb_register_samba_handlers(ldb);
  74         if (r != 0) {
  75                 goto failed;
  76         }
  77 #endif
  78
  79         ret = talloc_zero(ldb, struct ldb_cmdline);
  80         if (ret == NULL) {
  81                 ldb_oom(ldb);
  82                 goto failed;
  83         }
  84
  85         options = *ret;
  86
  87         /* pull in URL */
  88         options.url = getenv("LDB_URL");
  89
  90         /* and editor (used by ldbedit) */
  91         options.editor = getenv("VISUAL");
  92         if (!options.editor) {
  93                 options.editor = getenv("EDITOR");
  94         }
  95         if (!options.editor) {
  96                 options.editor = "vi";
  97         }
  98
  99         options.scope = LDB_SCOPE_DEFAULT;
 100
 101         pc = poptGetContext(argv[0], argc, argv, popt_options,
 102                             POPT_CONTEXT_KEEP_FIRST);
 103
 104         while((opt = poptGetNextOpt(pc)) != -1) {
 105                 switch (opt) {
 106                 case 's': {
 107                         const char *arg = poptGetOptArg(pc);
 108                         if (strcmp(arg, "base") == 0) {
 109                                 options.scope = LDB_SCOPE_BASE;
 110                         } else if (strcmp(arg, "sub") == 0) {
 111                                 options.scope = LDB_SCOPE_SUBTREE;
 112                         } else if (strcmp(arg, "one") == 0) {
 113                                 options.scope = LDB_SCOPE_ONELEVEL;
 114                         } else {
 115                                 fprintf(stderr, "Invalid scope '%s'\n", arg);
 116                                 goto failed;
 117                         }
 118                         break;
 119                 }
 120
 121                 case 'v':
 122                         options.verbose++;
 123                         break;
 124
 125                 case 'o':
 126                         options.options = talloc_realloc(ret, options.options,
 127                                                          const char *, num_options+2);
 128                         if (options.options == NULL) {
 129                                 ldb_oom(ldb);
 130                                 goto failed;
 131                         }
 132                         options.options[num_options++] = poptGetOptArg(pc);
 133                         options.options[num_options+1] = NULL;
 134                         break;
 135
 136                 default:
 137                         fprintf(stderr, "Invalid option %s: %s\n",
 138                                 poptBadOption(pc, 0), poptStrerror(opt));
 139                         if (usage) usage();
 140                         goto failed;
 141                 }
 142         }
 143
 144         /* setup the remaining options for the main program to use */
 145         options.argv = poptGetArgs(pc);
 146         if (options.argv) {
 147                 options.argv++;
 148                 while (options.argv[options.argc]) options.argc++;
 149         }
 150
 151         *ret = options;
 152
 153         /* all utils need some option */
 154         if (ldb) {
 155                 if (ret->url == NULL) {
 156                         fprintf(stderr, "You must supply a url with -H or with $LDB_URL\n");
 157                         if (usage) usage();
 158                         goto failed;
 159                 }
 160
 161                 if (ldb_connect(ldb, ret->url, 0, ret->options) != 0) {
 162                         fprintf(stderr, "Failed to connect to %s - %s\n",
 163                                 ret->url, ldb_errstring(ldb));
 164                         goto failed;
 165                 }
 166         }
 167
 168         return ret;
 169
 170 failed:
 171         talloc_free(ret);
 172         exit(1);
 173         return NULL;
 174 }