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mirror of https://gitlab.xiph.org/xiph/icecast-server.git synced 2024-12-04 14:46:30 -05:00
icecast-server/src/auth_static.c
2018-05-20 19:35:45 +00:00

126 lines
3.2 KiB
C

/* Icecast
*
* This program is distributed under the GNU General Public License, version 2.
* A copy of this license is included with this source.
*
* Copyright 2014, Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>,
*/
/**
* Client authentication functions
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* for strcmp() and strdup() */
#include <string.h>
#include "auth.h"
#include "client.h"
#include "logging.h"
#define CATMODULE "auth_static"
typedef struct auth_static {
char *username;
char *password;
} auth_static_t;
static auth_result static_auth(auth_client *auth_user)
{
client_t *client = auth_user->client;
auth_t *auth = client->auth;
auth_static_t *auth_info = auth->state;
if (auth_info->username) {
if (!client->username)
return AUTH_NOMATCH;
if (strcmp(auth_info->username, client->username) != 0)
return AUTH_NOMATCH;
}
if (!client->password)
return AUTH_NOMATCH;
if (strcmp(auth_info->password, client->password) == 0)
return AUTH_OK;
return AUTH_FAILED;
}
static void clear_auth (auth_t *auth)
{
auth_static_t *auth_info = auth->state;
if (auth_info->username)
free(auth_info->username);
if (auth_info->password)
free(auth_info->password);
free(auth_info);
auth->state = NULL;
}
static auth_result static_userlist(auth_t *auth, xmlNodePtr srcnode)
{
auth_static_t *auth_info = auth->state;
xmlNodePtr newnode;
newnode = xmlNewChild(srcnode, NULL, XMLSTR("user"), NULL);
xmlNewTextChild(newnode, NULL, XMLSTR("username"), XMLSTR(auth_info->username));
return AUTH_OK;
}
int auth_get_static_auth (auth_t *authenticator, config_options_t *options)
{
auth_static_t *auth_info;
int need_user;
if (strcmp(authenticator->type, AUTH_TYPE_STATIC) == 0) {
need_user = 1;
} else if (strcmp(authenticator->type, AUTH_TYPE_LEGACY_PASSWORD) == 0) {
need_user = 0;
} else {
ICECAST_LOG_ERROR("Unknown type.");
return -1;
}
auth_info = calloc(1, sizeof(auth_static_t));
if (!auth_info)
return -1;
authenticator->authenticate_client = static_auth;
authenticator->listuser = static_userlist;
authenticator->free = clear_auth;
authenticator->state = auth_info;
authenticator->immediate = 1;
while (options) {
if (strcmp(options->name, "username") == 0) {
if (auth_info->username)
free(auth_info->username);
auth_info->username = strdup(options->value);
} else if (strcmp(options->name, "password") == 0) {
if (auth_info->password)
free(auth_info->password);
auth_info->password = strdup(options->value);
} else {
ICECAST_LOG_ERROR("Unknown option: %s", options->name);
}
options = options->next;
}
if (need_user && !auth_info->username) {
ICECAST_LOG_ERROR("Username required, but not given.");
clear_auth(authenticator);
return -1;
} else if (!auth_info->password) {
ICECAST_LOG_ERROR("Password required, but not given.");
clear_auth(authenticator);
return -1;
}
return 0;
}