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/*
* Copyright (C) 2014 Martin Willi
* Copyright (C) 2014 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "command.h"
#include <errno.h>
/**
* Check if we should handle a key as a list of comma separated values
*/
static bool is_list_key(char *key)
{
char *keys[] = {
"local_addrs",
"remote_addrs",
"proposals",
"esp_proposals",
"ah_proposals",
"local_ts",
"remote_ts",
"vips",
};
int i;
for (i = 0; i < countof(keys); i++)
{
if (strcaseeq(keys[i], key))
{
return TRUE;
}
}
return FALSE;
}
/**
* Add a vici list from a comma separated string value
*/
static void add_list_key(vici_req_t *req, char *key, char *value)
{
enumerator_t *enumerator;
char *token;
vici_begin_list(req, key);
enumerator = enumerator_create_token(value, ",", " ");
while (enumerator->enumerate(enumerator, &token))
{
vici_add_list_itemf(req, "%s", token);
}
enumerator->destroy(enumerator);
vici_end_list(req);
}
/**
* Translate setting key/values from a section into vici key-values/lists
*/
static void add_key_values(vici_req_t *req, settings_t *cfg, char *section)
{
enumerator_t *enumerator;
char *key, *value;
enumerator = cfg->create_key_value_enumerator(cfg, section);
while (enumerator->enumerate(enumerator, &key, &value))
{
if (is_list_key(key))
{
add_list_key(req, key, value);
}
else
{
vici_add_key_valuef(req, key, "%s", value);
}
}
enumerator->destroy(enumerator);
}
/**
* Translate a settings section to a vici section
*/
static void add_sections(vici_req_t *req, settings_t *cfg, char *section)
{
enumerator_t *enumerator;
char *name, buf[256];
enumerator = cfg->create_section_enumerator(cfg, section);
while (enumerator->enumerate(enumerator, &name))
{
vici_begin_section(req, name);
snprintf(buf, sizeof(buf), "%s.%s", section, name);
add_key_values(req, cfg, buf);
add_sections(req, cfg, buf);
vici_end_section(req);
}
enumerator->destroy(enumerator);
}
/**
* Load an IKE_SA config with CHILD_SA configs from a section
*/
static bool load_conn(vici_conn_t *conn, settings_t *cfg,
char *section, bool raw)
{
vici_req_t *req;
vici_res_t *res;
bool ret = TRUE;
char buf[128];
snprintf(buf, sizeof(buf), "%s.%s", "connections", section);
req = vici_begin("load-conn");
vici_begin_section(req, section);
add_key_values(req, cfg, buf);
add_sections(req, cfg, buf);
vici_end_section(req);
res = vici_submit(req, conn);
if (!res)
{
fprintf(stderr, "load-conn request failed: %s\n", strerror(errno));
return FALSE;
}
if (raw)
{
vici_dump(res, "load-conn reply", stdout);
}
else if (!streq(vici_find_str(res, "no", "success"), "yes"))
{
fprintf(stderr, "loading connection '%s' failed: %s\n",
section, vici_find_str(res, "", "errmsg"));
ret = FALSE;
}
vici_free_res(res);
return ret;
}
static int load_conns(vici_conn_t *conn)
{
bool raw = FALSE;
u_int found = 0, loaded = 0;
char *arg, *section;
enumerator_t *enumerator;
settings_t *cfg;
while (TRUE)
{
switch (command_getopt(&arg))
{
case 'h':
return command_usage(NULL);
case 'r':
raw = TRUE;
continue;
case EOF:
break;
default:
return command_usage("invalid --load-conns option");
}
break;
}
cfg = settings_create(CONF_FILE);
if (!cfg)
{
fprintf(stderr, "parsing '%s' failed\n", CONF_FILE);
return EINVAL;
}
enumerator = cfg->create_section_enumerator(cfg, "connections");
while (enumerator->enumerate(enumerator, §ion))
{
found++;
if (load_conn(conn, cfg, section, raw))
{
loaded++;
}
}
enumerator->destroy(enumerator);
cfg->destroy(cfg);
if (raw)
{
return 0;
}
if (found == 0)
{
printf("no connections found\n");
return 0;
}
if (loaded == found)
{
printf("successfully loaded %u connections\n", loaded);
return 0;
}
fprintf(stderr, "loaded %u of %u connections, %u failed to load\n",
loaded, found, found - loaded);
return EINVAL;
}
/**
* Register the command.
*/
static void __attribute__ ((constructor))reg()
{
command_register((command_t) {
load_conns, 'c', "load-conns", "(re-)load connection configuration",
{"[--raw]"},
{
{"help", 'h', 0, "show usage information"},
{"raw", 'r', 0, "dump raw response message"},
}
});
}
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