static int readfile_exec(struct ast_channel *chan, void *data)
{
int res=0;
struct localuser *u;
char *s, *varname=NULL, *file=NULL, *length=NULL, *returnvar=NULL;
int len=0;
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "ReadFile require an argument!\n");
return -1;
}
LOCAL_USER_ADD(u);
s = ast_strdupa(data);
if (!s) {
ast_log(LOG_ERROR, "Out of memory\n");
LOCAL_USER_REMOVE(u);
return -1;
}
varname = strsep(&s, "=");
file = strsep(&s, "|");
length = s;
if (!varname || !file) {
ast_log(LOG_ERROR, "No file or variable specified!\n");
LOCAL_USER_REMOVE(u);
return -1;
}
if (length) {
if ((sscanf(length, "%d", &len) != 1) || (len < 0)) {
ast_log(LOG_WARNING, "%s is not a positive number, defaulting length to max\n", length);
len = 0;
}
}
if ((returnvar = ast_read_textfile(file))) {
if (len > 0) {
if (len < strlen(returnvar))
returnvar[len]='\0';
else
ast_log(LOG_WARNING, "%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar));
}
pbx_builtin_setvar_helper(chan, varname, returnvar);
free(returnvar);
}
LOCAL_USER_REMOVE(u);
return res;
}
static int readfile_exec(struct ast_channel *chan, void *data)
{
int res=0;
char *s, *varname=NULL, *file=NULL, *length=NULL, *returnvar=NULL;
int len=0;
static int deprecation_warning = 0;
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "ReadFile require an argument!\n");
return -1;
}
s = ast_strdupa(data);
varname = strsep(&s, "=");
file = strsep(&s, ",");
length = s;
if (deprecation_warning++ % 10 == 0)
ast_log(LOG_WARNING, "ReadFile has been deprecated in favor of Set(%s=${FILE(%s,0,%s)})\n", varname, file, length);
if (!varname || !file) {
ast_log(LOG_ERROR, "No file or variable specified!\n");
return -1;
}
if (length) {
if ((sscanf(length, "%d", &len) != 1) || (len < 0)) {
ast_log(LOG_WARNING, "%s is not a positive number, defaulting length to max\n", length);
len = 0;
}
}
if ((returnvar = ast_read_textfile(file))) {
if (len > 0) {
if (len < strlen(returnvar))
returnvar[len]='\0';
else
ast_log(LOG_WARNING, "%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar));
}
pbx_builtin_setvar_helper(chan, varname, returnvar);
ast_free(returnvar);
}
return res;
}
void ast_tcptls_server_start(struct ast_tcptls_session_args *desc)
{
int flags;
int x = 1;
int tls_changed = 0;
if (desc->tls_cfg) {
char hash[41];
char *str = NULL;
struct stat st;
/* Store the hashes of the TLS certificate etc. */
if (stat(desc->tls_cfg->certfile, &st) || NULL == (str = ast_read_textfile(desc->tls_cfg->certfile))) {
memset(hash, 0, 41);
} else {
ast_sha1_hash(hash, str);
}
ast_free(str);
str = NULL;
memcpy(desc->tls_cfg->certhash, hash, 41);
if (stat(desc->tls_cfg->pvtfile, &st) || NULL == (str = ast_read_textfile(desc->tls_cfg->pvtfile))) {
memset(hash, 0, 41);
} else {
ast_sha1_hash(hash, str);
}
ast_free(str);
str = NULL;
memcpy(desc->tls_cfg->pvthash, hash, 41);
if (stat(desc->tls_cfg->cafile, &st) || NULL == (str = ast_read_textfile(desc->tls_cfg->cafile))) {
memset(hash, 0, 41);
} else {
ast_sha1_hash(hash, str);
}
ast_free(str);
str = NULL;
memcpy(desc->tls_cfg->cahash, hash, 41);
/* Check whether TLS configuration has changed */
if (!desc->old_tls_cfg) { /* No previous configuration */
tls_changed = 1;
desc->old_tls_cfg = ast_calloc(1, sizeof(*desc->old_tls_cfg));
} else if (memcmp(desc->tls_cfg->certhash, desc->old_tls_cfg->certhash, 41)) {
tls_changed = 1;
} else if (memcmp(desc->tls_cfg->pvthash, desc->old_tls_cfg->pvthash, 41)) {
tls_changed = 1;
} else if (strcmp(desc->tls_cfg->cipher, desc->old_tls_cfg->cipher)) {
tls_changed = 1;
} else if (memcmp(desc->tls_cfg->cahash, desc->old_tls_cfg->cahash, 41)) {
tls_changed = 1;
} else if (strcmp(desc->tls_cfg->capath, desc->old_tls_cfg->capath)) {
tls_changed = 1;
} else if (memcmp(&desc->tls_cfg->flags, &desc->old_tls_cfg->flags, sizeof(desc->tls_cfg->flags))) {
tls_changed = 1;
}
if (tls_changed) {
ast_debug(1, "Changed parameters for %s found\n", desc->name);
}
}
/* Do nothing if nothing has changed */
if (!tls_changed && !ast_sockaddr_cmp(&desc->old_address, &desc->local_address)) {
ast_debug(1, "Nothing changed in %s\n", desc->name);
return;
}
/* If we return early, there is no one listening */
ast_sockaddr_setnull(&desc->old_address);
/* Shutdown a running server if there is one */
if (desc->master != AST_PTHREADT_NULL) {
pthread_cancel(desc->master);
pthread_kill(desc->master, SIGURG);
pthread_join(desc->master, NULL);
}
if (desc->accept_fd != -1) {
close(desc->accept_fd);
}
/* If there's no new server, stop here */
if (ast_sockaddr_isnull(&desc->local_address)) {
ast_debug(2, "Server disabled: %s\n", desc->name);
return;
}
desc->accept_fd = socket(ast_sockaddr_is_ipv6(&desc->local_address) ?
AF_INET6 : AF_INET, SOCK_STREAM, 0);
if (desc->accept_fd < 0) {
ast_log(LOG_ERROR, "Unable to allocate socket for %s: %s\n", desc->name, strerror(errno));
return;
}
setsockopt(desc->accept_fd, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x));
if (ast_bind(desc->accept_fd, &desc->local_address)) {
ast_log(LOG_ERROR, "Unable to bind %s to %s: %s\n",
desc->name,
ast_sockaddr_stringify(&desc->local_address),
strerror(errno));
goto error;
}
if (listen(desc->accept_fd, 10)) {
ast_log(LOG_ERROR, "Unable to listen for %s!\n", desc->name);
goto error;
}
flags = fcntl(desc->accept_fd, F_GETFL);
fcntl(desc->accept_fd, F_SETFL, flags | O_NONBLOCK);
if (ast_pthread_create_background(&desc->master, NULL, desc->accept_fn, desc)) {
ast_log(LOG_ERROR, "Unable to launch thread for %s on %s: %s\n",
desc->name,
ast_sockaddr_stringify(&desc->local_address),
strerror(errno));
goto error;
}
/* Set current info */
ast_sockaddr_copy(&desc->old_address, &desc->local_address);
if (desc->old_tls_cfg) {
ast_free(desc->old_tls_cfg->certfile);
ast_free(desc->old_tls_cfg->pvtfile);
ast_free(desc->old_tls_cfg->cipher);
ast_free(desc->old_tls_cfg->cafile);
ast_free(desc->old_tls_cfg->capath);
desc->old_tls_cfg->certfile = ast_strdup(desc->tls_cfg->certfile);
desc->old_tls_cfg->pvtfile = ast_strdup(desc->tls_cfg->pvtfile);
desc->old_tls_cfg->cipher = ast_strdup(desc->tls_cfg->cipher);
desc->old_tls_cfg->cafile = ast_strdup(desc->tls_cfg->cafile);
desc->old_tls_cfg->capath = ast_strdup(desc->tls_cfg->capath);
memcpy(desc->old_tls_cfg->certhash, desc->tls_cfg->certhash, 41);
memcpy(desc->old_tls_cfg->pvthash, desc->tls_cfg->pvthash, 41);
memcpy(desc->old_tls_cfg->cahash, desc->tls_cfg->cahash, 41);
memcpy(&desc->old_tls_cfg->flags, &desc->tls_cfg->flags, sizeof(desc->old_tls_cfg->flags));
}
return;
error:
close(desc->accept_fd);
desc->accept_fd = -1;
}
