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Annotation of embedaddon/strongswan/src/swanctl/commands/list_algs.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2015 Tobias Brunner
                      3:  * HSR Hochschule fuer Technik Rapperswil
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: #include "command.h"
                     17: 
                     18: #include <errno.h>
                     19: 
                     20: CALLBACK(algs, int,
                     21:        void *null, vici_res_t *res, char *name, void *value, int len)
                     22: {
                     23:        if (chunk_printable(chunk_create(value, len), NULL, ' '))
                     24:        {
                     25:                printf("  %s[%.*s]\n", name, len, value);
                     26:        }
                     27:        return 0;
                     28: }
                     29: 
                     30: CALLBACK(types, int,
                     31:        void *null, vici_res_t *res, char *name)
                     32: {
                     33:        printf("%s:\n", name);
                     34:        return vici_parse_cb(res, NULL, algs, NULL, NULL);
                     35: }
                     36: 
                     37: static int algorithms(vici_conn_t *conn)
                     38: {
                     39:        vici_req_t *req;
                     40:        vici_res_t *res;
                     41:        char *arg;
                     42:        command_format_options_t format = COMMAND_FORMAT_NONE;
                     43:        int ret;
                     44: 
                     45:        while (TRUE)
                     46:        {
                     47:                switch (command_getopt(&arg))
                     48:                {
                     49:                        case 'h':
                     50:                                return command_usage(NULL);
                     51:                        case 'P':
                     52:                                format |= COMMAND_FORMAT_PRETTY;
                     53:                                /* fall through to raw */
                     54:                        case 'r':
                     55:                                format |= COMMAND_FORMAT_RAW;
                     56:                                continue;
                     57:                        case EOF:
                     58:                                break;
                     59:                        default:
                     60:                                return command_usage("invalid --list-algs option");
                     61:                }
                     62:                break;
                     63:        }
                     64: 
                     65:        req = vici_begin("get-algorithms");
                     66:        res = vici_submit(req, conn);
                     67:        if (!res)
                     68:        {
                     69:                ret = errno;
                     70:                fprintf(stderr, "get-algorithms request failed: %s\n", strerror(errno));
                     71:                return ret;
                     72:        }
                     73:        if (format & COMMAND_FORMAT_RAW)
                     74:        {
                     75:                vici_dump(res, "get-algorithms reply", format & COMMAND_FORMAT_PRETTY,
                     76:                                  stdout);
                     77:        }
                     78:        else
                     79:        {
                     80:                if (vici_parse_cb(res, types, NULL, NULL, NULL) != 0)
                     81:                {
                     82:                        fprintf(stderr, "parsing get-algorithms reply failed: %s\n",
                     83:                                        strerror(errno));
                     84:                }
                     85:        }
                     86:        vici_free_res(res);
                     87:        return 0;
                     88: }
                     89: 
                     90: /**
                     91:  * Register the command.
                     92:  */
                     93: static void __attribute__ ((constructor))reg()
                     94: {
                     95:        command_register((command_t) {
                     96:                algorithms, 'g', "list-algs", "show loaded algorithms",
                     97:                {"[--raw|--pretty]"},
                     98:                {
                     99:                        {"help",                'h', 0, "show usage information"},
                    100:                        {"raw",                 'r', 0, "dump raw response message"},
                    101:                        {"pretty",              'P', 0, "dump raw response message in pretty print"},
                    102:                }
                    103:        });
                    104: }