/* {{{ mysqlnd_vio::enable_ssl */
static enum_func_status
MYSQLND_METHOD(mysqlnd_vio, enable_ssl)(MYSQLND_VIO * const net)
{
#ifdef MYSQLND_SSL_SUPPORTED
php_stream_context * context = php_stream_context_alloc();
php_stream * net_stream = net->data->m.get_stream(net);
zend_bool any_flag = FALSE;
DBG_ENTER("mysqlnd_vio::enable_ssl");
if (!context) {
DBG_RETURN(FAIL);
}
if (net->data->options.ssl_key) {
zval key_zval;
ZVAL_STRING(&key_zval, net->data->options.ssl_key);
php_stream_context_set_option(context, "ssl", "local_pk", &key_zval);
zval_ptr_dtor(&key_zval);
any_flag = TRUE;
}
if (net->data->options.ssl_cert) {
zval cert_zval;
ZVAL_STRING(&cert_zval, net->data->options.ssl_cert);
php_stream_context_set_option(context, "ssl", "local_cert", &cert_zval);
if (!net->data->options.ssl_key) {
php_stream_context_set_option(context, "ssl", "local_pk", &cert_zval);
}
zval_ptr_dtor(&cert_zval);
any_flag = TRUE;
}
if (net->data->options.ssl_ca) {
zval cafile_zval;
ZVAL_STRING(&cafile_zval, net->data->options.ssl_ca);
php_stream_context_set_option(context, "ssl", "cafile", &cafile_zval);
any_flag = TRUE;
}
if (net->data->options.ssl_capath) {
zval capath_zval;
ZVAL_STRING(&capath_zval, net->data->options.ssl_capath);
php_stream_context_set_option(context, "ssl", "capath", &capath_zval);
zval_ptr_dtor(&capath_zval);
any_flag = TRUE;
}
if (net->data->options.ssl_passphrase) {
zval passphrase_zval;
ZVAL_STRING(&passphrase_zval, net->data->options.ssl_passphrase);
php_stream_context_set_option(context, "ssl", "passphrase", &passphrase_zval);
zval_ptr_dtor(&passphrase_zval);
any_flag = TRUE;
}
if (net->data->options.ssl_cipher) {
zval cipher_zval;
ZVAL_STRING(&cipher_zval, net->data->options.ssl_cipher);
php_stream_context_set_option(context, "ssl", "ciphers", &cipher_zval);
zval_ptr_dtor(&cipher_zval);
any_flag = TRUE;
}
{
zval verify_peer_zval;
zend_bool verify;
if (net->data->options.ssl_verify_peer == MYSQLND_SSL_PEER_DEFAULT) {
net->data->options.ssl_verify_peer = any_flag? MYSQLND_SSL_PEER_DEFAULT_ACTION:MYSQLND_SSL_PEER_DONT_VERIFY;
}
verify = net->data->options.ssl_verify_peer == MYSQLND_SSL_PEER_VERIFY? TRUE:FALSE;
DBG_INF_FMT("VERIFY=%d", verify);
ZVAL_BOOL(&verify_peer_zval, verify);
php_stream_context_set_option(context, "ssl", "verify_peer", &verify_peer_zval);
php_stream_context_set_option(context, "ssl", "verify_peer_name", &verify_peer_zval);
if (net->data->options.ssl_verify_peer == MYSQLND_SSL_PEER_DONT_VERIFY) {
ZVAL_TRUE(&verify_peer_zval);
php_stream_context_set_option(context, "ssl", "allow_self_signed", &verify_peer_zval);
}
}
#if PHP_API_VERSION >= 20131106
php_stream_context_set(net_stream, context);
#else
php_stream_context_set(net_stream, context);
#endif
if (php_stream_xport_crypto_setup(net_stream, STREAM_CRYPTO_METHOD_TLS_CLIENT, NULL) < 0 ||
php_stream_xport_crypto_enable(net_stream, 1) < 0)
{
DBG_ERR("Cannot connect to MySQL by using SSL");
php_error_docref(NULL, E_WARNING, "Cannot connect to MySQL by using SSL");
DBG_RETURN(FAIL);
}
net->data->ssl = TRUE;
/*
get rid of the context. we are persistent and if this is a real pconn used by mysql/mysqli,
then the context would not survive cleaning of EG(regular_list), where it is registered, as a
resource. What happens is that after this destruction any use of the network will mean usage
of the context, which means usage of already freed memory, bad. Actually we don't need this
context anymore after we have enabled SSL on the connection. Thus it is very simple, we remove it.
*/
#if PHP_API_VERSION >= 20131106
php_stream_context_set(net_stream, NULL);
#else
php_stream_context_set(net_stream, NULL);
#endif
if (net->data->options.timeout_read) {
struct timeval tv;
DBG_INF_FMT("setting %u as PHP_STREAM_OPTION_READ_TIMEOUT", net->data->options.timeout_read);
tv.tv_sec = net->data->options.timeout_read;
tv.tv_usec = 0;
php_stream_set_option(net_stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &tv);
}
DBG_RETURN(PASS);
#else
DBG_ENTER("mysqlnd_vio::enable_ssl");
DBG_INF("MYSQLND_SSL_SUPPORTED is not defined");
DBG_RETURN(PASS);
#endif
}
php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context, int redirect_max, int header_init STREAMS_DC TSRMLS_DC)
{
php_stream *stream = NULL;
php_url *resource = NULL;
int use_ssl;
char *scratch = NULL;
char *tmp = NULL;
char *ua_str = NULL;
zval **ua_zval = NULL, **tmpzval = NULL;
int scratch_len = 0;
int body = 0;
char location[HTTP_HEADER_BLOCK_SIZE];
zval **response_header = NULL;
int reqok = 0;
char *http_header_line = NULL;
char tmp_line[128];
size_t chunk_size = 0, file_size = 0;
int eol_detect, have_header = 0;
if (redirect_max < 1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Circular redirect, aborting.");
return NULL;
}
if (strpbrk(mode, "aw+")) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections.");
return NULL;
}
resource = php_url_parse(path);
if (resource == NULL) {
return NULL;
}
if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) {
php_url_free(resource);
return php_stream_open_wrapper_ex(path, mode, ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context);
}
use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's';
/* choose default ports */
if (use_ssl && resource->port == 0)
resource->port = 443;
else if (resource->port == 0)
resource->port = 80;
stream = php_stream_sock_open_host(resource->host, resource->port, SOCK_STREAM, NULL, 0);
if (stream == NULL) {
eol_detect = 0;
goto out;
}
/* avoid problems with auto-detecting when reading the headers -> the headers
* are always in canonical \r\n format */
eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
php_stream_context_set(stream, context);
php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0);
#ifdef HAVE_OPENSSL_EXT
if (use_ssl) {
if (context) {
/* set the CN we expect to be on the remote cert.
* You still need to have enabled verification (verify_peer) in the context for
* this to have an effect */
zval *cn;
ALLOC_INIT_ZVAL(cn);
ZVAL_STRING(cn, resource->host, 1);
php_stream_context_set_option(context, "ssl", "CN_match", cn);
}
if (php_stream_sock_ssl_activate(stream, 1) == FAILURE) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Unable to activate SSL mode");
php_stream_close(stream);
stream = NULL;
goto out;
}
}
#endif
if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) {
if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval);
scratch = (char *)emalloc(scratch_len);
strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1);
strcat(scratch, " ");
}
}
if (!scratch) {
scratch_len = strlen(path) + 32;
scratch = (char *)emalloc(scratch_len);
strcpy(scratch, "GET ");
}
/* file */
if (resource->path && *resource->path)
strlcat(scratch, resource->path, scratch_len);
else
strlcat(scratch, "/", scratch_len);
/* query string */
if (resource->query) {
strlcat(scratch, "?", scratch_len);
strlcat(scratch, resource->query, scratch_len);
}
/* protocol version we are speaking */
strlcat(scratch, " HTTP/1.0\r\n", scratch_len);
/* send it */
php_stream_write(stream, scratch, strlen(scratch));
if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS && Z_STRLEN_PP(tmpzval)) {
/* Remove newlines and spaces from start and end, php_trim will estrndup() */
tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC);
if (strlen(tmp) > 0) {
/* Output trimmed headers with \r\n at the end */
php_stream_write(stream, tmp, strlen(tmp));
php_stream_write(stream, "\r\n", sizeof("\r\n") - 1);
/* Make lowercase for easy comparison against 'standard' headers */
php_strtolower(tmp, strlen(tmp));
if (strstr(tmp, "user-agent:")) {
have_header |= HTTP_HEADER_USER_AGENT;
}
if (strstr(tmp, "host:")) {
have_header |= HTTP_HEADER_HOST;
}
if (strstr(tmp, "from:")) {
have_header |= HTTP_HEADER_FROM;
}
if (strstr(tmp, "authorization:")) {
have_header |= HTTP_HEADER_AUTH;
}
}
efree(tmp);
}
/* auth header if it was specified */
if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user && resource->pass) {
/* decode the strings first */
php_url_decode(resource->user, strlen(resource->user));
php_url_decode(resource->pass, strlen(resource->pass));
/* scratch is large enough, since it was made large enough for the whole URL */
strcpy(scratch, resource->user);
strcat(scratch, ":");
strcat(scratch, resource->pass);
tmp = (char *)php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL);
if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0);
}
efree(tmp);
tmp = NULL;
}
/* if the user has configured who they are, send a From: line */
if (((have_header & HTTP_HEADER_FROM) == 0) && cfg_get_string("from", &tmp) == SUCCESS) {
if (snprintf(scratch, scratch_len, "From: %s\r\n", tmp) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
}
}
/* Send Host: header so name-based virtual hosts work */
if ((have_header & HTTP_HEADER_HOST) == 0) {
if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) {
if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
}
} else {
if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
}
}
}
if (context &&
php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS) {
ua_str = Z_STRVAL_PP(ua_zval);
} else if (FG(user_agent)) {
ua_str = FG(user_agent);
}
if (ua_str) {
#define _UA_HEADER "User-Agent: %s\r\n"
char *ua;
size_t ua_len;
ua_len = sizeof(_UA_HEADER) + strlen(ua_str);
/* ensure the header is only sent if user_agent is not blank */
if (ua_len > sizeof(_UA_HEADER)) {
ua = (char *)emalloc(ua_len + 1);
if ((ua_len = snprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) {
ua[ua_len] = 0;
php_stream_write(stream, ua, ua_len);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header");
}
if (ua) {
efree(ua);
}
}
}
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
/* Request content, such as for POST requests */
if (context && php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS && Z_STRLEN_PP(tmpzval) > 0) {
php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
php_stream_write(stream, "\r\n\r\n", sizeof("\r\n\r\n")-1);
}
location[0] = '\0';
/*
* We need to read the HTTP response header one-by-one, because
* the original author did not know about MSG_PEEK.
* The chunk_size will be reset later, once we have read the
* header completely.
*/
if (options & STREAM_WILL_CAST)
chunk_size = php_stream_set_chunk_size(stream, 1);
if (!header_init && FAILURE == zend_hash_find(EG(active_symbol_table),
"http_response_header", sizeof("http_response_header"), (void **) &response_header)) {
header_init = 1;
}
if (header_init) {
zval *tmp;
MAKE_STD_ZVAL(tmp);
array_init(tmp);
ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", tmp);
zend_hash_find(EG(active_symbol_table),
"http_response_header", sizeof("http_response_header"), (void **) &response_header);
}
if (!php_stream_eof(stream)) {
size_t tmp_line_len;
/* get response header */
if (_php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len TSRMLS_CC) != NULL) {
zval *http_response;
int response_code;
MAKE_STD_ZVAL(http_response);
ZVAL_NULL(http_response);
if (tmp_line_len > 9) {
response_code = atoi(tmp_line + 9);
} else {
response_code = 0;
}
switch(response_code) {
case 200:
case 302:
case 301:
reqok = 1;
break;
case 403:
php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT,
tmp_line, response_code);
break;
default:
/* safety net in the event tmp_line == NULL */
if (!tmp_line_len) {
tmp_line[0] = '\0';
}
php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE,
tmp_line, response_code);
}
Z_STRLEN_P(http_response) = tmp_line_len;
Z_STRVAL_P(http_response) = estrndup(tmp_line, Z_STRLEN_P(http_response));
if (Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=='\n') {
Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=0;
Z_STRLEN_P(http_response)--;
if (Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=='\r') {
Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=0;
Z_STRLEN_P(http_response)--;
}
}
Z_TYPE_P(http_response) = IS_STRING;
zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), &http_response, sizeof(zval *), NULL);
}
} else {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!");
goto out;
}
/* read past HTTP headers */
http_header_line = (char *)emalloc(HTTP_HEADER_BLOCK_SIZE);
while (!body && !php_stream_eof(stream)) {
if (php_stream_gets(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) {
char *p;
int found_eol = 0;
int http_header_line_length;
http_header_line[HTTP_HEADER_BLOCK_SIZE-1] = '\0';
p = http_header_line;
while(*p) {
while(*p == '\n' || *p == '\r') {
*p = '\0';
p--;
found_eol = 1;
}
if (found_eol)
break;
p++;
}
http_header_line_length = p-http_header_line+1;
if (!strncasecmp(http_header_line, "Location: ", 10)) {
strlcpy(location, http_header_line + 10, sizeof(location));
} else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) {
php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0);
} else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) {
file_size = atoi(http_header_line + 16);
php_stream_notify_file_size(context, file_size, http_header_line, 0);
}
if (http_header_line[0] == '\0') {
body = 1;
} else {
zval *http_header;
MAKE_STD_ZVAL(http_header);
ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1);
zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), &http_header, sizeof(zval *), NULL);
}
} else {
break;
}
}
if (!reqok || location[0] != '\0') {
if (location[0] != '\0')
php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0);
php_stream_close(stream);
stream = NULL;
if (location[0] != '\0') {
zval *entry, **entryp;
char new_path[HTTP_HEADER_BLOCK_SIZE];
char loc_path[HTTP_HEADER_BLOCK_SIZE];
*new_path='\0';
if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) &&
strncasecmp(location, "https://", sizeof("https://")-1) &&
strncasecmp(location, "ftp://", sizeof("ftp://")-1) &&
strncasecmp(location, "ftps://", sizeof("ftps://")-1)))
{
if (*location != '/') {
if (*(location+1) != '\0' && resource->path) {
char *s = strrchr(resource->path, '/');
if (!s) {
s = resource->path;
if (!s[0]) {
efree(s);
s = resource->path = estrdup("/");
} else {
*s = '/';
}
}
s[1] = '\0';
if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') {
snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location);
} else {
snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location);
}
} else {
snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location);
}
} else {
strlcpy(loc_path, location, sizeof(loc_path));
}
if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) {
snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path);
} else {
snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path);
}
} else {
strlcpy(new_path, location, sizeof(new_path));
}
stream = php_stream_url_wrap_http_ex(NULL, new_path, mode, options, opened_path, context, --redirect_max, 0 STREAMS_CC TSRMLS_CC);
if (stream && stream->wrapperdata) {
entryp = &entry;
MAKE_STD_ZVAL(entry);
ZVAL_EMPTY_STRING(entry);
zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), entryp, sizeof(zval *), NULL);
zend_hash_internal_pointer_reset(Z_ARRVAL_P(stream->wrapperdata));
while (zend_hash_get_current_data(Z_ARRVAL_P(stream->wrapperdata), (void **)&entryp) == SUCCESS) {
zval_add_ref(entryp);
zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), entryp, sizeof(zval *), NULL);
zend_hash_move_forward(Z_ARRVAL_P(stream->wrapperdata));
}
zval_dtor(stream->wrapperdata);
FREE_ZVAL(stream->wrapperdata);
}
} else {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed! %s", tmp_line);
}
}
out:
if (http_header_line)
efree(http_header_line);
if (scratch)
efree(scratch);
php_url_free(resource);
if (stream) {
if (header_init) {
stream->wrapperdata = *response_header;
zval_add_ref(response_header);
}
php_stream_notify_progress_init(context, 0, file_size);
/* Restore original chunk size now that we're done with headers (if applicable) */
if (options & STREAM_WILL_CAST)
php_stream_set_chunk_size(stream, chunk_size);
/* restore the users auto-detect-line-endings setting */
stream->flags |= eol_detect;
/* as far as streams are concerned, we are now at the start of
* the stream */
stream->position = 0;
}
return stream;
}
php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper,
const char *path, const char *mode, int options, char **opened_path,
php_stream_context *context, int redirect_max, int flags STREAMS_DC TSRMLS_DC) /* {{{ */
{
php_stream *stream = NULL;
php_url *resource = NULL;
int use_ssl;
int use_proxy = 0;
char *scratch = NULL;
char *tmp = NULL;
char *ua_str = NULL;
zval **ua_zval = NULL, **tmpzval = NULL, *ssl_proxy_peer_name = NULL;
int scratch_len = 0;
int body = 0;
char location[HTTP_HEADER_BLOCK_SIZE];
zval *response_header = NULL;
int reqok = 0;
char *http_header_line = NULL;
char tmp_line[128];
size_t chunk_size = 0, file_size = 0;
int eol_detect = 0;
char *transport_string, *errstr = NULL;
int transport_len, have_header = 0, request_fulluri = 0, ignore_errors = 0;
char *protocol_version = NULL;
int protocol_version_len = 3; /* Default: "1.0" */
struct timeval timeout;
char *user_headers = NULL;
int header_init = ((flags & HTTP_WRAPPER_HEADER_INIT) != 0);
int redirected = ((flags & HTTP_WRAPPER_REDIRECTED) != 0);
int follow_location = 1;
php_stream_filter *transfer_encoding = NULL;
int response_code;
tmp_line[0] = '\0';
if (redirect_max < 1) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Redirection limit reached, aborting");
return NULL;
}
resource = php_url_parse(path);
if (resource == NULL) {
return NULL;
}
if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) {
if (!context ||
php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == FAILURE ||
Z_TYPE_PP(tmpzval) != IS_STRING ||
Z_STRLEN_PP(tmpzval) <= 0) {
php_url_free(resource);
return php_stream_open_wrapper_ex(path, mode, REPORT_ERRORS, NULL, context);
}
/* Called from a non-http wrapper with http proxying requested (i.e. ftp) */
request_fulluri = 1;
use_ssl = 0;
use_proxy = 1;
transport_len = Z_STRLEN_PP(tmpzval);
transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
} else {
/* Normal http request (possibly with proxy) */
if (strpbrk(mode, "awx+")) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections");
php_url_free(resource);
return NULL;
}
use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's';
/* choose default ports */
if (use_ssl && resource->port == 0)
resource->port = 443;
else if (resource->port == 0)
resource->port = 80;
if (context &&
php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING &&
Z_STRLEN_PP(tmpzval) > 0) {
use_proxy = 1;
transport_len = Z_STRLEN_PP(tmpzval);
transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
} else {
transport_len = spprintf(&transport_string, 0, "%s://%s:%d", use_ssl ? "ssl" : "tcp", resource->host, resource->port);
}
}
if (context && php_stream_context_get_option(context, wrapper->wops->label, "timeout", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_double_ex(tmpzval);
timeout.tv_sec = (time_t) Z_DVAL_PP(tmpzval);
timeout.tv_usec = (size_t) ((Z_DVAL_PP(tmpzval) - timeout.tv_sec) * 1000000);
} else {
timeout.tv_sec = FG(default_socket_timeout);
timeout.tv_usec = 0;
}
stream = php_stream_xport_create(transport_string, transport_len, options,
STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT,
NULL, &timeout, context, &errstr, NULL);
if (stream) {
php_stream_set_option(stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &timeout);
}
if (errstr) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", errstr);
efree(errstr);
errstr = NULL;
}
efree(transport_string);
if (stream && use_proxy && use_ssl) {
smart_str header = {0};
/* Set peer_name or name verification will try to use the proxy server name */
if (!context || php_stream_context_get_option(context, "ssl", "peer_name", &tmpzval) == FAILURE) {
MAKE_STD_ZVAL(ssl_proxy_peer_name);
ZVAL_STRING(ssl_proxy_peer_name, resource->host, 1);
php_stream_context_set_option(stream->context, "ssl", "peer_name", ssl_proxy_peer_name);
}
smart_str_appendl(&header, "CONNECT ", sizeof("CONNECT ")-1);
smart_str_appends(&header, resource->host);
smart_str_appendc(&header, ':');
smart_str_append_unsigned(&header, resource->port);
smart_str_appendl(&header, " HTTP/1.0\r\n", sizeof(" HTTP/1.0\r\n")-1);
/* check if we have Proxy-Authorization header */
if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS) {
char *s, *p;
if (Z_TYPE_PP(tmpzval) == IS_ARRAY) {
HashPosition pos;
zval **tmpheader = NULL;
for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(tmpzval), &pos);
SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(tmpzval), (void *)&tmpheader, &pos);
zend_hash_move_forward_ex(Z_ARRVAL_PP(tmpzval), &pos)) {
if (Z_TYPE_PP(tmpheader) == IS_STRING) {
s = Z_STRVAL_PP(tmpheader);
do {
while (*s == ' ' || *s == '\t') s++;
p = s;
while (*p != 0 && *p != ':' && *p != '\r' && *p !='\n') p++;
if (*p == ':') {
p++;
if (p - s == sizeof("Proxy-Authorization:") - 1 &&
zend_binary_strcasecmp(s, sizeof("Proxy-Authorization:") - 1,
"Proxy-Authorization:", sizeof("Proxy-Authorization:") - 1) == 0) {
while (*p != 0 && *p != '\r' && *p !='\n') p++;
smart_str_appendl(&header, s, p - s);
smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1);
goto finish;
} else {
while (*p != 0 && *p != '\r' && *p !='\n') p++;
}
}
s = p;
while (*s == '\r' || *s == '\n') s++;
} while (*s != 0);
}
}
} else if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) {
s = Z_STRVAL_PP(tmpzval);
do {
while (*s == ' ' || *s == '\t') s++;
p = s;
while (*p != 0 && *p != ':' && *p != '\r' && *p !='\n') p++;
if (*p == ':') {
p++;
if (p - s == sizeof("Proxy-Authorization:") - 1 &&
zend_binary_strcasecmp(s, sizeof("Proxy-Authorization:") - 1,
"Proxy-Authorization:", sizeof("Proxy-Authorization:") - 1) == 0) {
while (*p != 0 && *p != '\r' && *p !='\n') p++;
smart_str_appendl(&header, s, p - s);
smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1);
goto finish;
} else {
while (*p != 0 && *p != '\r' && *p !='\n') p++;
}
}
s = p;
while (*s == '\r' || *s == '\n') s++;
} while (*s != 0);
}
}
finish:
smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1);
if (php_stream_write(stream, header.c, header.len) != header.len) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy");
php_stream_close(stream);
stream = NULL;
}
smart_str_free(&header);
if (stream) {
char header_line[HTTP_HEADER_BLOCK_SIZE];
/* get response header */
while (php_stream_gets(stream, header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) {
if (header_line[0] == '\n' ||
header_line[0] == '\r' ||
header_line[0] == '\0') {
break;
}
}
}
/* enable SSL transport layer */
if (stream) {
if (php_stream_xport_crypto_setup(stream, STREAM_CRYPTO_METHOD_ANY_CLIENT, NULL TSRMLS_CC) < 0 ||
php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy");
php_stream_close(stream);
stream = NULL;
}
}
}
if (stream == NULL)
goto out;
/* avoid buffering issues while reading header */
if (options & STREAM_WILL_CAST)
chunk_size = php_stream_set_chunk_size(stream, 1);
/* avoid problems with auto-detecting when reading the headers -> the headers
* are always in canonical \r\n format */
eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
php_stream_context_set(stream, context TSRMLS_CC);
php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0);
if (header_init && context && php_stream_context_get_option(context, "http", "max_redirects", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_long_ex(tmpzval);
redirect_max = Z_LVAL_PP(tmpzval);
}
if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) {
if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
/* As per the RFC, automatically redirected requests MUST NOT use other methods than
* GET and HEAD unless it can be confirmed by the user */
if (!redirected
|| (Z_STRLEN_PP(tmpzval) == 3 && memcmp("GET", Z_STRVAL_PP(tmpzval), 3) == 0)
|| (Z_STRLEN_PP(tmpzval) == 4 && memcmp("HEAD",Z_STRVAL_PP(tmpzval), 4) == 0)
) {
scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval);
scratch = emalloc(scratch_len);
strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1);
strncat(scratch, " ", 1);
}
}
}
if (context && php_stream_context_get_option(context, "http", "protocol_version", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_double_ex(tmpzval);
protocol_version_len = spprintf(&protocol_version, 0, "%.1F", Z_DVAL_PP(tmpzval));
}
if (!scratch) {
scratch_len = strlen(path) + 29 + protocol_version_len;
scratch = emalloc(scratch_len);
strncpy(scratch, "GET ", scratch_len);
}
/* Should we send the entire path in the request line, default to no. */
if (!request_fulluri &&
context &&
php_stream_context_get_option(context, "http", "request_fulluri", &tmpzval) == SUCCESS) {
zval ztmp = **tmpzval;
zval_copy_ctor(&ztmp);
convert_to_boolean(&ztmp);
request_fulluri = Z_BVAL(ztmp) ? 1 : 0;
zval_dtor(&ztmp);
}
if (request_fulluri) {
/* Ask for everything */
strcat(scratch, path);
} else {
/* Send the traditional /path/to/file?query_string */
/* file */
if (resource->path && *resource->path) {
strlcat(scratch, resource->path, scratch_len);
} else {
strlcat(scratch, "/", scratch_len);
}
/* query string */
if (resource->query) {
strlcat(scratch, "?", scratch_len);
strlcat(scratch, resource->query, scratch_len);
}
}
/* protocol version we are speaking */
if (protocol_version) {
strlcat(scratch, " HTTP/", scratch_len);
strlcat(scratch, protocol_version, scratch_len);
strlcat(scratch, "\r\n", scratch_len);
} else {
strlcat(scratch, " HTTP/1.0\r\n", scratch_len);
}
/* send it */
php_stream_write(stream, scratch, strlen(scratch));
if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS) {
tmp = NULL;
if (Z_TYPE_PP(tmpzval) == IS_ARRAY) {
HashPosition pos;
zval **tmpheader = NULL;
smart_str tmpstr = {0};
for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(tmpzval), &pos);
SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(tmpzval), (void *)&tmpheader, &pos);
zend_hash_move_forward_ex(Z_ARRVAL_PP(tmpzval), &pos)
) {
if (Z_TYPE_PP(tmpheader) == IS_STRING) {
smart_str_appendl(&tmpstr, Z_STRVAL_PP(tmpheader), Z_STRLEN_PP(tmpheader));
smart_str_appendl(&tmpstr, "\r\n", sizeof("\r\n") - 1);
}
}
smart_str_0(&tmpstr);
/* Remove newlines and spaces from start and end. there's at least one extra \r\n at the end that needs to go. */
if (tmpstr.c) {
tmp = php_trim(tmpstr.c, strlen(tmpstr.c), NULL, 0, NULL, 3 TSRMLS_CC);
smart_str_free(&tmpstr);
}
}
if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) {
/* Remove newlines and spaces from start and end php_trim will estrndup() */
tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC);
}
if (tmp && strlen(tmp) > 0) {
char *s;
user_headers = estrdup(tmp);
/* Make lowercase for easy comparison against 'standard' headers */
php_strtolower(tmp, strlen(tmp));
if (!header_init) {
/* strip POST headers on redirect */
strip_header(user_headers, tmp, "content-length:");
strip_header(user_headers, tmp, "content-type:");
}
if ((s = strstr(tmp, "user-agent:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_USER_AGENT;
}
if ((s = strstr(tmp, "host:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_HOST;
}
if ((s = strstr(tmp, "from:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_FROM;
}
if ((s = strstr(tmp, "authorization:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_AUTH;
}
if ((s = strstr(tmp, "content-length:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_CONTENT_LENGTH;
}
if ((s = strstr(tmp, "content-type:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_TYPE;
}
if ((s = strstr(tmp, "connection:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
have_header |= HTTP_HEADER_CONNECTION;
}
/* remove Proxy-Authorization header */
if (use_proxy && use_ssl && (s = strstr(tmp, "proxy-authorization:")) &&
(s == tmp || *(s-1) == '\r' || *(s-1) == '\n' ||
*(s-1) == '\t' || *(s-1) == ' ')) {
char *p = s + sizeof("proxy-authorization:") - 1;
while (s > tmp && (*(s-1) == ' ' || *(s-1) == '\t')) s--;
while (*p != 0 && *p != '\r' && *p != '\n') p++;
while (*p == '\r' || *p == '\n') p++;
if (*p == 0) {
if (s == tmp) {
efree(user_headers);
user_headers = NULL;
} else {
while (s > tmp && (*(s-1) == '\r' || *(s-1) == '\n')) s--;
user_headers[s - tmp] = 0;
}
} else {
memmove(user_headers + (s - tmp), user_headers + (p - tmp), strlen(p) + 1);
}
}
}
if (tmp) {
efree(tmp);
}
}
/* auth header if it was specified */
if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user) {
/* decode the strings first */
php_url_decode(resource->user, strlen(resource->user));
/* scratch is large enough, since it was made large enough for the whole URL */
strcpy(scratch, resource->user);
strcat(scratch, ":");
/* Note: password is optional! */
if (resource->pass) {
php_url_decode(resource->pass, strlen(resource->pass));
strcat(scratch, resource->pass);
}
tmp = (char*)php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL);
if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0);
}
efree(tmp);
tmp = NULL;
}
/* if the user has configured who they are, send a From: line */
if (((have_header & HTTP_HEADER_FROM) == 0) && FG(from_address)) {
if (snprintf(scratch, scratch_len, "From: %s\r\n", FG(from_address)) > 0)
php_stream_write(stream, scratch, strlen(scratch));
}
/* Send Host: header so name-based virtual hosts work */
if ((have_header & HTTP_HEADER_HOST) == 0) {
if ((use_ssl && resource->port != 443 && resource->port != 0) ||
(!use_ssl && resource->port != 80 && resource->port != 0)) {
if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0)
php_stream_write(stream, scratch, strlen(scratch));
} else {
if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
}
}
}
/* Send a Connection: close header when using HTTP 1.1 or later to avoid
* hanging when the server interprets the RFC literally and establishes a
* keep-alive connection, unless the user specifically requests something
* else by specifying a Connection header in the context options. */
if (protocol_version &&
((have_header & HTTP_HEADER_CONNECTION) == 0) &&
(strncmp(protocol_version, "1.0", MIN(protocol_version_len, 3)) > 0)) {
php_stream_write_string(stream, "Connection: close\r\n");
}
if (context &&
php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS &&
Z_TYPE_PP(ua_zval) == IS_STRING) {
ua_str = Z_STRVAL_PP(ua_zval);
} else if (FG(user_agent)) {
ua_str = FG(user_agent);
}
if (((have_header & HTTP_HEADER_USER_AGENT) == 0) && ua_str) {
#define _UA_HEADER "User-Agent: %s\r\n"
char *ua;
size_t ua_len;
ua_len = sizeof(_UA_HEADER) + strlen(ua_str);
/* ensure the header is only sent if user_agent is not blank */
if (ua_len > sizeof(_UA_HEADER)) {
ua = emalloc(ua_len + 1);
if ((ua_len = slprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) {
ua[ua_len] = 0;
php_stream_write(stream, ua, ua_len);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header");
}
if (ua) {
efree(ua);
}
}
}
if (user_headers) {
/* A bit weird, but some servers require that Content-Length be sent prior to Content-Type for POST
* see bug #44603 for details. Since Content-Type maybe part of user's headers we need to do this check first.
*/
if (
header_init &&
context &&
!(have_header & HTTP_HEADER_CONTENT_LENGTH) &&
php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0
) {
scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval));
php_stream_write(stream, scratch, scratch_len);
have_header |= HTTP_HEADER_CONTENT_LENGTH;
}
php_stream_write(stream, user_headers, strlen(user_headers));
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
efree(user_headers);
}
/* Request content, such as for POST requests */
if (header_init && context &&
php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
if (!(have_header & HTTP_HEADER_CONTENT_LENGTH)) {
scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval));
php_stream_write(stream, scratch, scratch_len);
}
if (!(have_header & HTTP_HEADER_TYPE)) {
php_stream_write(stream, "Content-Type: application/x-www-form-urlencoded\r\n",
sizeof("Content-Type: application/x-www-form-urlencoded\r\n") - 1);
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Content-type not specified assuming application/x-www-form-urlencoded");
}
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
} else {
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
}
location[0] = '\0';
if (!EG(active_symbol_table)) {
zend_rebuild_symbol_table(TSRMLS_C);
}
if (header_init) {
zval *ztmp;
MAKE_STD_ZVAL(ztmp);
array_init(ztmp);
ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", ztmp);
}
{
zval **rh;
zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &rh);
response_header = *rh;
}
if (!php_stream_eof(stream)) {
size_t tmp_line_len;
/* get response header */
if (php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len) != NULL) {
zval *http_response;
if (tmp_line_len > 9) {
response_code = atoi(tmp_line + 9);
} else {
response_code = 0;
}
if (context && SUCCESS==php_stream_context_get_option(context, "http", "ignore_errors", &tmpzval)) {
ignore_errors = zend_is_true(*tmpzval TSRMLS_CC);
}
/* when we request only the header, don't fail even on error codes */
if ((options & STREAM_ONLY_GET_HEADERS) || ignore_errors) {
reqok = 1;
}
/* all status codes in the 2xx range are defined by the specification as successful;
* all status codes in the 3xx range are for redirection, and so also should never
* fail */
if (response_code >= 200 && response_code < 400) {
reqok = 1;
} else {
switch(response_code) {
case 403:
php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT,
tmp_line, response_code);
break;
default:
/* safety net in the event tmp_line == NULL */
if (!tmp_line_len) {
tmp_line[0] = '\0';
}
php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE,
tmp_line, response_code);
}
}
if (tmp_line[tmp_line_len - 1] == '\n') {
--tmp_line_len;
if (tmp_line[tmp_line_len - 1] == '\r') {
--tmp_line_len;
}
}
MAKE_STD_ZVAL(http_response);
ZVAL_STRINGL(http_response, tmp_line, tmp_line_len, 1);
zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_response, sizeof(zval *), NULL);
}
} else {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!");
goto out;
}
/* read past HTTP headers */
http_header_line = emalloc(HTTP_HEADER_BLOCK_SIZE);
while (!body && !php_stream_eof(stream)) {
size_t http_header_line_length;
if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) && *http_header_line != '\n' && *http_header_line != '\r') {
char *e = http_header_line + http_header_line_length - 1;
if (*e != '\n') {
do { /* partial header */
if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) == NULL) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Failed to read HTTP headers");
goto out;
}
e = http_header_line + http_header_line_length - 1;
} while (*e != '\n');
continue;
}
while (*e == '\n' || *e == '\r') {
e--;
}
http_header_line_length = e - http_header_line + 1;
http_header_line[http_header_line_length] = '\0';
if (!strncasecmp(http_header_line, "Location: ", 10)) {
if (context && php_stream_context_get_option(context, "http", "follow_location", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_long_ex(tmpzval);
follow_location = Z_LVAL_PP(tmpzval);
} else if (!(response_code >= 300 && response_code < 304 || 307 == response_code || 308 == response_code)) {
/* we shouldn't redirect automatically
if follow_location isn't set and response_code not in (300, 301, 302, 303 and 307)
see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1
RFC 7238 defines 308: http://tools.ietf.org/html/rfc7238 */
follow_location = 0;
}
strlcpy(location, http_header_line + 10, sizeof(location));
} else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) {
php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0);
} else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) {
file_size = atoi(http_header_line + 16);
php_stream_notify_file_size(context, file_size, http_header_line, 0);
} else if (!strncasecmp(http_header_line, "Transfer-Encoding: chunked", sizeof("Transfer-Encoding: chunked"))) {
/* create filter to decode response body */
if (!(options & STREAM_ONLY_GET_HEADERS)) {
long decode = 1;
if (context && php_stream_context_get_option(context, "http", "auto_decode", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_boolean(*tmpzval);
decode = Z_LVAL_PP(tmpzval);
}
if (decode) {
transfer_encoding = php_stream_filter_create("dechunk", NULL, php_stream_is_persistent(stream) TSRMLS_CC);
if (transfer_encoding) {
/* don't store transfer-encodeing header */
continue;
}
}
}
}
if (http_header_line[0] == '\0') {
body = 1;
} else {
zval *http_header;
MAKE_STD_ZVAL(http_header);
ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1);
zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_header, sizeof(zval *), NULL);
}
} else {
break;
}
}
if (!reqok || (location[0] != '\0' && follow_location)) {
if (!follow_location || (((options & STREAM_ONLY_GET_HEADERS) || ignore_errors) && redirect_max <= 1)) {
goto out;
}
if (location[0] != '\0')
php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0);
php_stream_close(stream);
stream = NULL;
if (location[0] != '\0') {
char new_path[HTTP_HEADER_BLOCK_SIZE];
char loc_path[HTTP_HEADER_BLOCK_SIZE];
*new_path='\0';
if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) &&
strncasecmp(location, "https://", sizeof("https://")-1) &&
strncasecmp(location, "ftp://", sizeof("ftp://")-1) &&
strncasecmp(location, "ftps://", sizeof("ftps://")-1)))
{
if (*location != '/') {
if (*(location+1) != '\0' && resource->path) {
char *s = strrchr(resource->path, '/');
if (!s) {
s = resource->path;
if (!s[0]) {
efree(s);
s = resource->path = estrdup("/");
} else {
*s = '/';
}
}
s[1] = '\0';
if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') {
snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location);
} else {
snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location);
}
} else {
snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location);
}
} else {
strlcpy(loc_path, location, sizeof(loc_path));
}
if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) {
snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path);
} else {
snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path);
}
} else {
strlcpy(new_path, location, sizeof(new_path));
}
php_url_free(resource);
/* check for invalid redirection URLs */
if ((resource = php_url_parse(new_path)) == NULL) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path);
goto out;
}
#define CHECK_FOR_CNTRL_CHARS(val) { \
if (val) { \
unsigned char *s, *e; \
int l; \
l = php_url_decode(val, strlen(val)); \
s = (unsigned char*)val; e = s + l; \
while (s < e) { \
if (iscntrl(*s)) { \
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); \
goto out; \
} \
s++; \
} \
} \
}
/* check for control characters in login, password & path */
if (strncasecmp(new_path, "http://", sizeof("http://") - 1) || strncasecmp(new_path, "https://", sizeof("https://") - 1)) {
CHECK_FOR_CNTRL_CHARS(resource->user)
CHECK_FOR_CNTRL_CHARS(resource->pass)
CHECK_FOR_CNTRL_CHARS(resource->path)
}
stream = php_stream_url_wrap_http_ex(wrapper, new_path, mode, options, opened_path, context, --redirect_max, HTTP_WRAPPER_REDIRECTED STREAMS_CC TSRMLS_CC);
} else {
/* {{{ php_ftp_fopen_connect
*/
static php_stream *php_ftp_fopen_connect(php_stream_wrapper *wrapper, const char *path, const char *mode, int options,
char **opened_path, php_stream_context *context, php_stream **preuseid,
php_url **presource, int *puse_ssl, int *puse_ssl_on_data)
{
php_stream *stream = NULL, *reuseid = NULL;
php_url *resource = NULL;
int result, use_ssl, use_ssl_on_data = 0, tmp_len;
char tmp_line[512];
char *transport;
int transport_len;
resource = php_url_parse(path);
if (resource == NULL || resource->path == NULL) {
if (resource && presource) {
*presource = resource;
}
return NULL;
}
use_ssl = resource->scheme && (strlen(resource->scheme) > 3) && resource->scheme[3] == 's';
/* use port 21 if one wasn't specified */
if (resource->port == 0)
resource->port = 21;
transport_len = (int)spprintf(&transport, 0, "tcp://%s:%d", resource->host, resource->port);
stream = php_stream_xport_create(transport, transport_len, REPORT_ERRORS, STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT, NULL, NULL, context, NULL, NULL);
efree(transport);
if (stream == NULL) {
result = 0; /* silence */
goto connect_errexit;
}
php_stream_context_set(stream, context);
php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0);
/* Start talking to ftp server */
result = GET_FTP_RESULT(stream);
if (result > 299 || result < 200) {
php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE, tmp_line, result);
goto connect_errexit;
}
if (use_ssl) {
/* send the AUTH TLS request name */
php_stream_write_string(stream, "AUTH TLS\r\n");
/* get the response */
result = GET_FTP_RESULT(stream);
if (result != 234) {
/* AUTH TLS not supported try AUTH SSL */
php_stream_write_string(stream, "AUTH SSL\r\n");
/* get the response */
result = GET_FTP_RESULT(stream);
if (result != 334) {
use_ssl = 0;
} else {
/* we must reuse the old SSL session id */
/* if we talk to an old ftpd-ssl */
reuseid = stream;
}
} else {
/* encrypt data etc */
}
}
if (use_ssl) {
if (php_stream_xport_crypto_setup(stream,
STREAM_CRYPTO_METHOD_SSLv23_CLIENT, NULL) < 0
|| php_stream_xport_crypto_enable(stream, 1) < 0) {
php_stream_wrapper_log_error(wrapper, options, "Unable to activate SSL mode");
php_stream_close(stream);
stream = NULL;
goto connect_errexit;
}
/* set PBSZ to 0 */
php_stream_write_string(stream, "PBSZ 0\r\n");
/* ignore the response */
result = GET_FTP_RESULT(stream);
/* set data connection protection level */
#if FTPS_ENCRYPT_DATA
php_stream_write_string(stream, "PROT P\r\n");
/* get the response */
result = GET_FTP_RESULT(stream);
use_ssl_on_data = (result >= 200 && result<=299) || reuseid;
#else
php_stream_write_string(stream, "PROT C\r\n");
/* get the response */
result = GET_FTP_RESULT(stream);
#endif
}
#define PHP_FTP_CNTRL_CHK(val, val_len, err_msg) { \
unsigned char *s = val, *e = s + val_len; \
while (s < e) { \
if (iscntrl(*s)) { \
php_stream_wrapper_log_error(wrapper, options, err_msg, val); \
goto connect_errexit; \
} \
s++; \
} \
}
/* send the user name */
if (resource->user != NULL) {
tmp_len = (int)php_raw_url_decode(resource->user, (int)strlen(resource->user));
PHP_FTP_CNTRL_CHK(resource->user, tmp_len, "Invalid login %s")
php_stream_printf(stream, "USER %s\r\n", resource->user);
} else {
php_stream_write_string(stream, "USER anonymous\r\n");
}
/* get the response */
result = GET_FTP_RESULT(stream);
/* if a password is required, send it */
if (result >= 300 && result <= 399) {
php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, tmp_line, 0);
if (resource->pass != NULL) {
tmp_len = (int)php_raw_url_decode(resource->pass, (int)strlen(resource->pass));
PHP_FTP_CNTRL_CHK(resource->pass, tmp_len, "Invalid password %s")
php_stream_printf(stream, "PASS %s\r\n", resource->pass);
} else {
/* if the user has configured who they are,
send that as the password */
if (FG(from_address)) {
php_stream_printf(stream, "PASS %s\r\n", FG(from_address));
} else {
php_stream_write_string(stream, "PASS anonymous\r\n");
}
}
/* read the response */
result = GET_FTP_RESULT(stream);
if (result > 299 || result < 200) {
php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT, tmp_line, result);
} else {
php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_RESULT, tmp_line, result);
}
}
if (result > 299 || result < 200) {
goto connect_errexit;
}
if (puse_ssl) {
*puse_ssl = use_ssl;
}
if (puse_ssl_on_data) {
*puse_ssl_on_data = use_ssl_on_data;
}
if (preuseid) {
*preuseid = reuseid;
}
if (presource) {
*presource = resource;
}
return stream;
connect_errexit:
if (resource) {
php_url_free(resource);
}
if (stream) {
php_stream_close(stream);
}
return NULL;
}
static void php_fsockopen_stream(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
char *host;
int host_len;
long port = -1;
zval *zerrno = NULL, *zerrstr = NULL, *zcontext = NULL;
double timeout = FG(default_socket_timeout);
unsigned long conv;
struct timeval tv;
char *hashkey = NULL;
php_stream *stream = NULL;
php_stream_context *context = NULL;
int err;
RETVAL_FALSE;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lzzdr", &host, &host_len, &port, &zerrno, &zerrstr, &timeout, &zcontext) == FAILURE) {
RETURN_FALSE;
}
if (zcontext) {
ZEND_FETCH_RESOURCE(context, php_stream_context*, &zcontext, -1, "stream-context", php_le_stream_context());
}
if (persistent) {
spprintf(&hashkey, 0, "pfsockopen__%s:%ld", host, port);
switch(php_stream_from_persistent_id(hashkey, &stream TSRMLS_CC)) {
case PHP_STREAM_PERSISTENT_SUCCESS:
if (_php_network_is_stream_alive(stream TSRMLS_CC)) {
php_stream_to_zval(stream, return_value);
} else {
/* it died; we need to replace it */
php_stream_pclose(stream);
break;
}
/* fall through */
case PHP_STREAM_PERSISTENT_FAILURE:
efree(hashkey);
return;
}
}
/* prepare the timeout value for use */
conv = (unsigned long) (timeout * 1000000.0);
tv.tv_sec = conv / 1000000;
tv.tv_usec = conv % 1000000;
if (zerrno) {
zval_dtor(zerrno);
ZVAL_LONG(zerrno, 0);
}
if (zerrstr) {
zval_dtor(zerrstr);
ZVAL_STRING(zerrstr, "", 1);
}
if (port > 0) { /* connect to a host */
enum php_sslflags_t { php_ssl_none, php_ssl_v23, php_ssl_tls };
enum php_sslflags_t ssl_flags = php_ssl_none;
struct {
char *proto;
int protolen;
int socktype;
enum php_sslflags_t ssl_flags;
/* more flags to be added here */
} sockmodes[] = {
{ "udp://", 6, SOCK_DGRAM, php_ssl_none },
{ "tcp://", 6, SOCK_STREAM, php_ssl_none },
{ "ssl://", 6, SOCK_STREAM, php_ssl_v23 },
{ "tls://", 6, SOCK_STREAM, php_ssl_tls },
/* more modes to be added here */
{ NULL, 0, 0 }
};
int socktype = SOCK_STREAM;
int i;
for (i = 0; sockmodes[i].proto != NULL; i++) {
if (strncmp(host, sockmodes[i].proto, sockmodes[i].protolen) == 0) {
ssl_flags = sockmodes[i].ssl_flags;
socktype = sockmodes[i].socktype;
host += sockmodes[i].protolen;
break;
}
}
#ifndef HAVE_OPENSSL_EXT
if (ssl_flags != php_ssl_none) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "no SSL support in this build");
}
else
#endif
stream = php_stream_sock_open_host(host, (unsigned short)port, socktype, &tv, hashkey);
/* Preserve error */
err = php_socket_errno();
if (stream == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to connect to %s:%ld", host, port);
} else if (context) {
php_stream_context_set(stream, context);
}
#ifdef HAVE_OPENSSL_EXT
if (stream && ssl_flags != php_ssl_none) {
int ssl_ret = FAILURE;
switch(ssl_flags) {
case php_ssl_v23:
ssl_ret = php_stream_sock_ssl_activate_with_method(stream, 1, SSLv23_client_method(), NULL TSRMLS_CC);
break;
case php_ssl_tls:
ssl_ret = php_stream_sock_ssl_activate_with_method(stream, 1, TLSv1_client_method(), NULL TSRMLS_CC);
break;
default:
/* unknown ?? */
break;
}
if (ssl_ret == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "failed to activate SSL mode %d", ssl_flags);
php_stream_close(stream);
stream = NULL;
}
}
#endif
} else {
/* FIXME: Win32 - this probably does not return sensible errno and errstr */
stream = php_stream_sock_open_unix(host, host_len, hashkey, &tv);
err = php_socket_errno();
}
if (hashkey)
efree(hashkey);
if (stream == NULL) {
if (zerrno) {
zval_dtor(zerrno);
ZVAL_LONG(zerrno, err);
}
if (zerrstr) {
char *buf = php_socket_strerror(err, NULL, 0);
/* no need to dup; we would only need to efree buf anyway */
zval_dtor(zerrstr);
ZVAL_STRING(zerrstr, buf, 0);
}
RETURN_FALSE;
}
if (zcontext) {
zend_list_addref(Z_RESVAL_P(zcontext));
}
php_stream_to_zval(stream, return_value);
}
php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context, int redirect_max, int header_init STREAMS_DC TSRMLS_DC)
{
php_stream *stream = NULL;
php_url *resource = NULL;
int use_ssl;
int use_proxy = 0;
char *scratch = NULL;
char *tmp = NULL;
char *ua_str = NULL;
zval **ua_zval = NULL, **tmpzval = NULL;
int scratch_len = 0;
int body = 0;
char location[HTTP_HEADER_BLOCK_SIZE];
zval *response_header = NULL;
int reqok = 0;
char *http_header_line = NULL;
char tmp_line[128];
size_t chunk_size = 0, file_size = 0;
int eol_detect = 0;
char *transport_string, *errstr = NULL;
int transport_len, have_header = 0, request_fulluri = 0;
char *protocol_version = NULL;
int protocol_version_len = 3; /* Default: "1.0" */
struct timeval timeout;
char *user_headers = NULL;
tmp_line[0] = '\0';
if (redirect_max < 1) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Redirection limit reached, aborting");
return NULL;
}
resource = php_url_parse(path);
if (resource == NULL) {
return NULL;
}
if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) {
if (!context ||
php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == FAILURE ||
Z_TYPE_PP(tmpzval) != IS_STRING ||
Z_STRLEN_PP(tmpzval) <= 0) {
php_url_free(resource);
return php_stream_open_wrapper_ex(path, mode, REPORT_ERRORS, NULL, context);
}
/* Called from a non-http wrapper with http proxying requested (i.e. ftp) */
request_fulluri = 1;
use_ssl = 0;
use_proxy = 1;
transport_len = Z_STRLEN_PP(tmpzval);
transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
} else {
/* Normal http request (possibly with proxy) */
if (strpbrk(mode, "awx+")) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections");
php_url_free(resource);
return NULL;
}
use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's';
/* choose default ports */
if (use_ssl && resource->port == 0)
resource->port = 443;
else if (resource->port == 0)
resource->port = 80;
if (context &&
php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING &&
Z_STRLEN_PP(tmpzval) > 0) {
use_proxy = 1;
transport_len = Z_STRLEN_PP(tmpzval);
transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
} else {
transport_len = spprintf(&transport_string, 0, "%s://%s:%d", use_ssl ? "ssl" : "tcp", resource->host, resource->port);
}
}
if (context && php_stream_context_get_option(context, wrapper->wops->label, "timeout", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_double_ex(tmpzval);
timeout.tv_sec = (time_t) Z_DVAL_PP(tmpzval);
timeout.tv_usec = (size_t) ((Z_DVAL_PP(tmpzval) - timeout.tv_sec) * 1000000);
} else {
timeout.tv_sec = FG(default_socket_timeout);
timeout.tv_usec = 0;
}
stream = php_stream_xport_create(transport_string, transport_len, options,
STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT,
NULL, &timeout, context, &errstr, NULL);
if (stream) {
php_stream_set_option(stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &timeout);
}
if (errstr) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", errstr);
efree(errstr);
errstr = NULL;
}
efree(transport_string);
if (stream && use_proxy && use_ssl) {
smart_str header = {0};
smart_str_appendl(&header, "CONNECT ", sizeof("CONNECT ")-1);
smart_str_appends(&header, resource->host);
smart_str_appendc(&header, ':');
smart_str_append_unsigned(&header, resource->port);
smart_str_appendl(&header, " HTTP/1.0\r\n\r\n", sizeof(" HTTP/1.0\r\n\r\n")-1);
if (php_stream_write(stream, header.c, header.len) != header.len) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy");
php_stream_close(stream);
stream = NULL;
}
smart_str_free(&header);
if (stream) {
char header_line[HTTP_HEADER_BLOCK_SIZE];
/* get response header */
while (php_stream_gets(stream, header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) {
if (header_line[0] == '\n' ||
header_line[0] == '\r' ||
header_line[0] == '\0') {
break;
}
}
}
/* enable SSL transport layer */
if (stream) {
if (php_stream_xport_crypto_setup(stream, STREAM_CRYPTO_METHOD_SSLv23_CLIENT, NULL TSRMLS_CC) < 0 ||
php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy");
php_stream_close(stream);
stream = NULL;
}
}
}
if (stream == NULL)
goto out;
/* avoid buffering issues while reading header */
if (options & STREAM_WILL_CAST)
chunk_size = php_stream_set_chunk_size(stream, 1);
/* avoid problems with auto-detecting when reading the headers -> the headers
* are always in canonical \r\n format */
eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC);
php_stream_context_set(stream, context);
php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0);
if (header_init && context && php_stream_context_get_option(context, "http", "max_redirects", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_long_ex(tmpzval);
redirect_max = Z_LVAL_PP(tmpzval);
}
if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) {
if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval);
scratch = emalloc(scratch_len);
strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1);
strcat(scratch, " ");
}
}
if (context && php_stream_context_get_option(context, "http", "protocol_version", &tmpzval) == SUCCESS) {
SEPARATE_ZVAL(tmpzval);
convert_to_double_ex(tmpzval);
protocol_version_len = spprintf(&protocol_version, 0, "%.1F", Z_DVAL_PP(tmpzval));
}
if (!scratch) {
scratch_len = strlen(path) + 29 + protocol_version_len;
scratch = emalloc(scratch_len);
strcpy(scratch, "GET ");
}
/* Should we send the entire path in the request line, default to no. */
if (!request_fulluri &&
context &&
php_stream_context_get_option(context, "http", "request_fulluri", &tmpzval) == SUCCESS) {
zval tmp = **tmpzval;
zval_copy_ctor(&tmp);
convert_to_boolean(&tmp);
request_fulluri = Z_BVAL(tmp) ? 1 : 0;
zval_dtor(&tmp);
}
if (request_fulluri) {
/* Ask for everything */
strcat(scratch, path);
} else {
/* Send the traditional /path/to/file?query_string */
/* file */
if (resource->path && *resource->path) {
strlcat(scratch, resource->path, scratch_len);
} else {
strlcat(scratch, "/", scratch_len);
}
/* query string */
if (resource->query) {
strlcat(scratch, "?", scratch_len);
strlcat(scratch, resource->query, scratch_len);
}
}
/* protocol version we are speaking */
if (protocol_version) {
strlcat(scratch, " HTTP/", scratch_len);
strlcat(scratch, protocol_version, scratch_len);
strlcat(scratch, "\r\n", scratch_len);
efree(protocol_version);
protocol_version = NULL;
} else {
strlcat(scratch, " HTTP/1.0\r\n", scratch_len);
}
/* send it */
php_stream_write(stream, scratch, strlen(scratch));
if (context &&
php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) {
/* Remove newlines and spaces from start and end,
php_trim will estrndup() */
tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC);
if (strlen(tmp) > 0) {
if (!header_init) { /* Remove post headers for redirects */
int l = strlen(tmp);
char *s, *s2, *tmp_c = estrdup(tmp);
php_strtolower(tmp_c, l);
if ((s = strstr(tmp_c, "content-length:"))) {
if ((s2 = memchr(s, '\n', tmp_c + l - s))) {
int b = tmp_c + l - 1 - s2;
memmove(tmp, tmp + (s2 + 1 - tmp_c), b);
memmove(tmp_c, s2 + 1, b);
} else {
tmp[s - tmp_c] = *s = '\0';
}
l = strlen(tmp_c);
}
if ((s = strstr(tmp_c, "content-type:"))) {
if ((s2 = memchr(s, '\n', tmp_c + l - s))) {
memmove(tmp, tmp + (s2 + 1 - tmp_c), tmp_c + l - 1 - s2);
} else {
tmp[s - tmp_c] = '\0';
}
}
efree(tmp_c);
tmp_c = php_trim(tmp, strlen(tmp), NULL, 0, NULL, 3 TSRMLS_CC);
efree(tmp);
tmp = tmp_c;
}
user_headers = estrdup(tmp);
/* Make lowercase for easy comparison against 'standard' headers */
php_strtolower(tmp, strlen(tmp));
if (strstr(tmp, "user-agent:")) {
have_header |= HTTP_HEADER_USER_AGENT;
}
if (strstr(tmp, "host:")) {
have_header |= HTTP_HEADER_HOST;
}
if (strstr(tmp, "from:")) {
have_header |= HTTP_HEADER_FROM;
}
if (strstr(tmp, "authorization:")) {
have_header |= HTTP_HEADER_AUTH;
}
if (strstr(tmp, "content-length:")) {
have_header |= HTTP_HEADER_CONTENT_LENGTH;
}
if (strstr(tmp, "content-type:")) {
have_header |= HTTP_HEADER_TYPE;
}
}
efree(tmp);
}
/* auth header if it was specified */
if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user && resource->pass) {
/* decode the strings first */
php_url_decode(resource->user, strlen(resource->user));
php_url_decode(resource->pass, strlen(resource->pass));
/* scratch is large enough, since it was made large enough for the whole URL */
strcpy(scratch, resource->user);
strcat(scratch, ":");
strcat(scratch, resource->pass);
tmp = php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL);
if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0);
}
efree(tmp);
tmp = NULL;
}
/* if the user has configured who they are, send a From: line */
if (((have_header & HTTP_HEADER_FROM) == 0) && cfg_get_string("from", &tmp) == SUCCESS) {
if (snprintf(scratch, scratch_len, "From: %s\r\n", tmp) > 0)
php_stream_write(stream, scratch, strlen(scratch));
}
/* Send Host: header so name-based virtual hosts work */
if ((have_header & HTTP_HEADER_HOST) == 0) {
if ((use_ssl && resource->port != 443 && resource->port != 0) ||
(!use_ssl && resource->port != 80 && resource->port != 0)) {
if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0)
php_stream_write(stream, scratch, strlen(scratch));
} else {
if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) {
php_stream_write(stream, scratch, strlen(scratch));
}
}
}
if (context &&
php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS &&
Z_TYPE_PP(ua_zval) == IS_STRING) {
ua_str = Z_STRVAL_PP(ua_zval);
} else if (FG(user_agent)) {
ua_str = FG(user_agent);
}
if (((have_header & HTTP_HEADER_USER_AGENT) == 0) && ua_str) {
#define _UA_HEADER "User-Agent: %s\r\n"
char *ua;
size_t ua_len;
ua_len = sizeof(_UA_HEADER) + strlen(ua_str);
/* ensure the header is only sent if user_agent is not blank */
if (ua_len > sizeof(_UA_HEADER)) {
ua = emalloc(ua_len + 1);
if ((ua_len = slprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) {
ua[ua_len] = 0;
php_stream_write(stream, ua, ua_len);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header");
}
if (ua) {
efree(ua);
}
}
}
if (user_headers) {
/* A bit weird, but some servers require that Content-Length be sent prior to Content-Type for POST
* see bug #44603 for details. Since Content-Type maybe part of user's headers we need to do this check first.
*/
if (
header_init &&
context &&
!(have_header & HTTP_HEADER_CONTENT_LENGTH) &&
php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0
) {
scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval));
php_stream_write(stream, scratch, scratch_len);
have_header |= HTTP_HEADER_CONTENT_LENGTH;
}
php_stream_write(stream, user_headers, strlen(user_headers));
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
efree(user_headers);
}
/* Request content, such as for POST requests */
if (header_init && context &&
php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS &&
Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) {
if (!(have_header & HTTP_HEADER_CONTENT_LENGTH)) {
scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval));
php_stream_write(stream, scratch, scratch_len);
}
if (!(have_header & HTTP_HEADER_TYPE)) {
php_stream_write(stream, "Content-Type: application/x-www-form-urlencoded\r\n",
sizeof("Content-Type: application/x-www-form-urlencoded\r\n") - 1);
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Content-type not specified assuming application/x-www-form-urlencoded");
}
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval));
php_stream_write(stream, "\r\n\r\n", sizeof("\r\n\r\n")-1);
} else {
php_stream_write(stream, "\r\n", sizeof("\r\n")-1);
}
location[0] = '\0';
if (header_init) {
zval *tmp;
MAKE_STD_ZVAL(tmp);
array_init(tmp);
ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", tmp);
}
{
zval **rh;
zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &rh);
response_header = *rh;
}
if (!php_stream_eof(stream)) {
size_t tmp_line_len;
/* get response header */
if (php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len) != NULL) {
zval *http_response;
int response_code;
if (tmp_line_len > 9) {
response_code = atoi(tmp_line + 9);
} else {
response_code = 0;
}
/* when we request only the header, don't fail even on error codes */
if (options & STREAM_ONLY_GET_HEADERS) {
reqok = 1;
}
switch(response_code) {
case 200:
case 206: /* partial content */
case 302:
case 303:
case 301:
reqok = 1;
break;
case 403:
php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT,
tmp_line, response_code);
break;
default:
/* safety net in the event tmp_line == NULL */
if (!tmp_line_len) {
tmp_line[0] = '\0';
}
php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE,
tmp_line, response_code);
}
if (tmp_line[tmp_line_len - 1] == '\n') {
--tmp_line_len;
if (tmp_line[tmp_line_len - 1] == '\r') {
--tmp_line_len;
}
}
MAKE_STD_ZVAL(http_response);
ZVAL_STRINGL(http_response, tmp_line, tmp_line_len, 1);
zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_response, sizeof(zval *), NULL);
}
} else {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!");
goto out;
}
/* read past HTTP headers */
http_header_line = emalloc(HTTP_HEADER_BLOCK_SIZE);
while (!body && !php_stream_eof(stream)) {
size_t http_header_line_length;
if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) && *http_header_line != '\n' && *http_header_line != '\r') {
char *e = http_header_line + http_header_line_length - 1;
while (*e == '\n' || *e == '\r') {
e--;
}
http_header_line_length = e - http_header_line + 1;
http_header_line[http_header_line_length] = '\0';
if (!strncasecmp(http_header_line, "Location: ", 10)) {
strlcpy(location, http_header_line + 10, sizeof(location));
} else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) {
php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0);
} else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) {
file_size = atoi(http_header_line + 16);
php_stream_notify_file_size(context, file_size, http_header_line, 0);
}
if (http_header_line[0] == '\0') {
body = 1;
} else {
zval *http_header;
MAKE_STD_ZVAL(http_header);
ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1);
zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_header, sizeof(zval *), NULL);
}
} else {
break;
}
}
if (!reqok || location[0] != '\0') {
if (options & STREAM_ONLY_GET_HEADERS && redirect_max <= 1) {
goto out;
}
if (location[0] != '\0')
php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0);
php_stream_close(stream);
stream = NULL;
if (location[0] != '\0') {
char new_path[HTTP_HEADER_BLOCK_SIZE];
char loc_path[HTTP_HEADER_BLOCK_SIZE];
*new_path='\0';
if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) &&
strncasecmp(location, "https://", sizeof("https://")-1) &&
strncasecmp(location, "ftp://", sizeof("ftp://")-1) &&
strncasecmp(location, "ftps://", sizeof("ftps://")-1)))
{
if (*location != '/') {
if (*(location+1) != '\0' && resource->path) {
char *s = strrchr(resource->path, '/');
if (!s) {
s = resource->path;
if (!s[0]) {
efree(s);
s = resource->path = estrdup("/");
} else {
*s = '/';
}
}
s[1] = '\0';
if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') {
snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location);
} else {
snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location);
}
} else {
snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location);
}
} else {
strlcpy(loc_path, location, sizeof(loc_path));
}
if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) {
snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path);
} else {
snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path);
}
} else {
strlcpy(new_path, location, sizeof(new_path));
}
php_url_free(resource);
/* check for invalid redirection URLs */
if ((resource = php_url_parse(new_path)) == NULL) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path);
goto out;
}
#define CHECK_FOR_CNTRL_CHARS(val) { \
if (val) { \
unsigned char *s, *e; \
int l; \
l = php_url_decode(val, strlen(val)); \
s = val; e = s + l; \
while (s < e) { \
if (iscntrl(*s)) { \
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); \
goto out; \
} \
s++; \
} \
} \
} \
/* check for control characters in login, password & path */
if (strncasecmp(new_path, "http://", sizeof("http://") - 1) || strncasecmp(new_path, "https://", sizeof("https://") - 1)) {
CHECK_FOR_CNTRL_CHARS(resource->user)
CHECK_FOR_CNTRL_CHARS(resource->pass)
CHECK_FOR_CNTRL_CHARS(resource->path)
}
stream = php_stream_url_wrap_http_ex(wrapper, new_path, mode, options, opened_path, context, --redirect_max, 0 STREAMS_CC TSRMLS_CC);
} else {