Changeset 3472 for trunk/src/tools/opensc-tool.c

Timestamp:

04/12/08 21:54:02 (9 months ago)

Author:

alonbl

Message:

Add --get-conf-entry, --set-conf-entry to opensc-tool

Although not perfect, will enable installer/users
to perform some simple tasks against configuration file.

Files:

• trunk/src/tools/opensc-tool.c (modified) (8 diffs)

trunk/src/tools/opensc-tool.c

@@ -52 +52 @@
         { "serial",             0, NULL,        OPT_SERIAL  },
         { "name",               0, NULL,                'n' },
+        { "get-conf-entry",     1, NULL,                'G' },
+        { "set-conf-entry",     1, NULL,                'S' },
         { "list-readers",       0, NULL,                'l' },
         { "list-drivers",       0, NULL,                'D' },
@@ -69 +71 @@
         "Prints the card serial number",
         "Identify the card and print its name",
+        "Get configuration key, format: section:name:key",
+        "Set configuration key, format: section:name:key:value",
         "Lists all configured readers",
         "Lists all installed card drivers",
@@ -108 +112 @@
         printf ("Enabled features:%s\n", OPENSC_FEATURES);
         return 0;
+}
+
+static int opensc_get_conf_entry(const char *config)
+{
+        scconf_block *conf_block = NULL, **blocks;
+        char *buffer = NULL;
+        char *section = NULL;
+        char *name = NULL;
+        char *key = NULL;
+        int r = 0;
+
+        if (ctx->conf == NULL) {
+                r = ENOENT;
+                goto cleanup;
+        }
+
+        if ((buffer = strdup(config)) == NULL) {
+                r = ENOMEM;
+                goto cleanup;
+        }
+
+        section = buffer;
+        name = section == NULL ? NULL : strchr(section+1, ':');
+        key = name == NULL ? NULL : strchr(name+1, ':');
+        if (key == NULL) {
+                r = EINVAL;
+                goto cleanup;
+        }
+        *name = '\0';
+        name++;
+        *key = '\0';
+        key++;
+
+        blocks = scconf_find_blocks(ctx->conf, NULL, section, name);
+        if (blocks[0])
+                conf_block = blocks[0];
+        free(blocks);
+        if (conf_block != NULL) {
+                const char *value = scconf_get_str(conf_block, key, NULL);
+
+                if (value != NULL) {
+                        printf ("%s\n", value);
+                }
+        }
+
+        r = 0;
+
+cleanup:
+
+        if (buffer != NULL)
+                free(buffer);
+
+        return r;
+}
+
+static int opensc_set_conf_entry(const char *config)
+{
+        scconf_block *conf_block = NULL, **blocks;
+        char *buffer = NULL;
+        char *section = NULL;
+        char *name = NULL;
+        char *key = NULL;
+        char *value = NULL;
+        int r = 0;
+
+        if (ctx->conf == NULL) {
+                r = ENOENT;
+                goto cleanup;
+        }
+
+        if ((buffer = strdup(config)) == NULL) {
+                r = ENOMEM;
+                goto cleanup;
+        }
+
+        section = buffer;
+        name = section == NULL ? NULL : strchr(section+1, ':');
+        key = name == NULL ? NULL : strchr(name+1, ':');
+        value = key == NULL ? NULL : strchr(key+1, ':');
+        if (value == NULL) {
+                r = EINVAL;
+                goto cleanup;
+        }
+        *name = '\0';
+        name++;
+        *key = '\0';
+        key++;
+        *value = '\0';
+        value++;
+
+        blocks = scconf_find_blocks(ctx->conf, NULL, section, name);
+        if (blocks[0])
+                conf_block = blocks[0];
+        free(blocks);
+        if (conf_block != NULL) {
+                scconf_item *item;
+
+                for (item = conf_block->items; item != NULL; item = item->next) {
+                        scconf_list *list;
+
+                        if ((item->type != SCCONF_ITEM_TYPE_VALUE)
+                            || (strcmp(item->key, key) != 0))
+                                continue;
+                        list = item->value.list;
+                        scconf_list_destroy(list);
+                        list = NULL;
+                        scconf_list_add(&list, value);
+                        item->value.list = list;
+                        break;
+                }
+                if (item == NULL)
+                        scconf_put_str(conf_block, key, value);
+        }
+
+        /* Write */
+        if ((r = scconf_write(ctx->conf, ctx->conf->filename)) != 0) {
+                fprintf(stderr, "scconf_write(): %s\n", strerror(r));
+                goto cleanup;
+        }
+
+        r = 0;
+
+cleanup:
+
+        if (buffer != NULL)
+                free(buffer);
+
+        return r;
 }
 
@@ -403 +535 @@
         int err = 0, r, c, long_optind = 0;
         int do_info = 0;
+        int do_get_conf_entry = 0;
+        int do_set_conf_entry = 0;
         int do_list_readers = 0;
         int do_list_drivers = 0;
@@ -413 +547 @@
         int action_count = 0;
         const char *opt_driver = NULL;
+        const char *opt_conf_entry = NULL;
         sc_context_param_t ctx_param;
                 
@@ -419 +554 @@
 
         while (1) {
-                c = getopt_long(argc, argv, "inlfr:vs:DRc:aw", options, &long_optind);
+                c = getopt_long(argc, argv, "inlG:S:fr:vs:DRc:aw", options, &long_optind);
                 if (c == -1)
                         break;
@@ -427 +562 @@
                 case 'i':
                         do_info = 1;
+                        action_count++;
+                        break;
+                case 'G':
+                        do_get_conf_entry = 1;
+                        opt_conf_entry = optarg;
+                        action_count++;
+                        break;
+                case 'S':
+                        do_set_conf_entry = 1;
+                        opt_conf_entry = optarg;
                         action_count++;
                         break;
@@ -499 +644 @@
         if (verbose > 1)
                 ctx->debug = verbose-1;
+        if (do_get_conf_entry) {
+                if ((err = opensc_get_conf_entry (opt_conf_entry)))
+                        goto end;
+                action_count--;
+        }
+        if (do_set_conf_entry) {
+                if ((err = opensc_set_conf_entry (opt_conf_entry)))
+                        goto end;
+                action_count--;
+        }
         if (do_list_rdrivers) {
                 if ((err = list_reader_drivers()))