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interface.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sterling Hughes <[email protected]> |
+----------------------------------------------------------------------+
*/
#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#include "Zend/zend_exceptions.h"
#include <stdio.h>
#include <string.h>
#ifdef PHP_WIN32
#include <winsock2.h>
#include <sys/types.h>
#endif
#include <curl/curl.h>
#include <curl/easy.h>
/* As of curl 7.11.1 this is no longer defined inside curl.h */
#ifndef HttpPost
#define HttpPost curl_httppost
#endif
/* {{{ cruft for thread safe SSL crypto locks */
#if defined(ZTS) && defined(HAVE_CURL_OLD_OPENSSL)
# if defined(HAVE_OPENSSL_CRYPTO_H)
# define PHP_CURL_NEED_OPENSSL_TSL
# include <openssl/crypto.h>
# else
# warning \
"libcurl was compiled with OpenSSL support, but configure could not find " \
"openssl/crypto.h; thus no SSL crypto locking callbacks will be set, which may " \
"cause random crashes on SSL requests"
# endif
#endif /* ZTS && HAVE_CURL_OLD_OPENSSL */
/* }}} */
#include "zend_smart_str.h"
#include "ext/standard/info.h"
#include "ext/standard/file.h"
#include "ext/standard/url.h"
#include "curl_private.h"
#ifdef __GNUC__
/* don't complain about deprecated CURLOPT_* we're exposing to PHP; we
need to keep using those to avoid breaking PHP API compatibiltiy */
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#include "curl_arginfo.h"
#ifdef PHP_CURL_NEED_OPENSSL_TSL /* {{{ */
static MUTEX_T *php_curl_openssl_tsl = NULL;
/* Locking callbacks are no longer used since OpenSSL 1.1. Mark the functions as unused to
* avoid warnings due to this. */
static ZEND_ATTRIBUTE_UNUSED void php_curl_ssl_lock(int mode, int n, const char * file, int line)
{
if (mode & CRYPTO_LOCK) {
tsrm_mutex_lock(php_curl_openssl_tsl[n]);
} else {
tsrm_mutex_unlock(php_curl_openssl_tsl[n]);
}
}
static ZEND_ATTRIBUTE_UNUSED unsigned long php_curl_ssl_id(void)
{
return (unsigned long) tsrm_thread_id();
}
#endif
/* }}} */
#define CAAL(s, v) add_assoc_long_ex(return_value, s, sizeof(s) - 1, (zend_long) v);
#define CAAD(s, v) add_assoc_double_ex(return_value, s, sizeof(s) - 1, (double) v);
#define CAAS(s, v) add_assoc_string_ex(return_value, s, sizeof(s) - 1, (char *) (v ? v : ""));
#define CAASTR(s, v) add_assoc_str_ex(return_value, s, sizeof(s) - 1, \
v ? zend_string_copy(v) : ZSTR_EMPTY_ALLOC());
#define CAAZ(s, v) add_assoc_zval_ex(return_value, s, sizeof(s) -1 , (zval *) v);
#if defined(PHP_WIN32) || defined(__GNUC__)
# define php_curl_ret(__ret) RETVAL_FALSE; return __ret;
#else
# define php_curl_ret(__ret) RETVAL_FALSE; return;
#endif
static zend_result php_curl_option_str(php_curl *ch, zend_long option, const char *str, const size_t len)
{
if (zend_char_has_nul_byte(str, len)) {
zend_value_error("%s(): cURL option must not contain any null bytes", get_active_function_name());
return FAILURE;
}
CURLcode error = curl_easy_setopt(ch->cp, option, str);
SAVE_CURL_ERROR(ch, error);
return error == CURLE_OK ? SUCCESS : FAILURE;
}
static zend_result php_curl_option_url(php_curl *ch, const zend_string *url) /* {{{ */
{
/* Disable file:// if open_basedir are used */
if (PG(open_basedir) && *PG(open_basedir)) {
curl_easy_setopt(ch->cp, CURLOPT_PROTOCOLS, CURLPROTO_ALL & ~CURLPROTO_FILE);
}
#ifdef PHP_WIN32
if (
zend_string_starts_with_literal_ci(url, "file://")
&& '/' != ZSTR_VAL(url)[sizeof("file://") - 1]
&& ZSTR_LEN(url) < MAXPATHLEN - 2
) {
char _tmp[MAXPATHLEN] = {0};
memmove(_tmp, "file:///", sizeof("file:///") - 1);
memmove(_tmp + sizeof("file:///") - 1, ZSTR_VAL(url) + sizeof("file://") - 1, ZSTR_LEN(url) - sizeof("file://") + 1);
return php_curl_option_str(ch, CURLOPT_URL, _tmp, ZSTR_LEN(url) + 1);
}
#endif
return php_curl_option_str(ch, CURLOPT_URL, ZSTR_VAL(url), ZSTR_LEN(url));
}
/* }}} */
void _php_curl_verify_handlers(php_curl *ch, bool reporterror) /* {{{ */
{
php_stream *stream;
ZEND_ASSERT(ch);
if (!Z_ISUNDEF(ch->handlers.std_err)) {
stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.std_err, NULL, php_file_le_stream(), php_file_le_pstream());
if (stream == NULL) {
if (reporterror) {
php_error_docref(NULL, E_WARNING, "CURLOPT_STDERR resource has gone away, resetting to stderr");
}
zval_ptr_dtor(&ch->handlers.std_err);
ZVAL_UNDEF(&ch->handlers.std_err);
curl_easy_setopt(ch->cp, CURLOPT_STDERR, stderr);
}
}
if (ch->handlers.read && !Z_ISUNDEF(ch->handlers.read->stream)) {
stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.read->stream, NULL, php_file_le_stream(), php_file_le_pstream());
if (stream == NULL) {
if (reporterror) {
php_error_docref(NULL, E_WARNING, "CURLOPT_INFILE resource has gone away, resetting to default");
}
zval_ptr_dtor(&ch->handlers.read->stream);
ZVAL_UNDEF(&ch->handlers.read->stream);
ch->handlers.read->res = NULL;
ch->handlers.read->fp = 0;
curl_easy_setopt(ch->cp, CURLOPT_INFILE, (void *) ch);
}
}
if (ch->handlers.write_header && !Z_ISUNDEF(ch->handlers.write_header->stream)) {
stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.write_header->stream, NULL, php_file_le_stream(), php_file_le_pstream());
if (stream == NULL) {
if (reporterror) {
php_error_docref(NULL, E_WARNING, "CURLOPT_WRITEHEADER resource has gone away, resetting to default");
}
zval_ptr_dtor(&ch->handlers.write_header->stream);
ZVAL_UNDEF(&ch->handlers.write_header->stream);
ch->handlers.write_header->fp = 0;
ch->handlers.write_header->method = PHP_CURL_IGNORE;
curl_easy_setopt(ch->cp, CURLOPT_WRITEHEADER, (void *) ch);
}
}
if (ch->handlers.write && !Z_ISUNDEF(ch->handlers.write->stream)) {
stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.write->stream, NULL, php_file_le_stream(), php_file_le_pstream());
if (stream == NULL) {
if (reporterror) {
php_error_docref(NULL, E_WARNING, "CURLOPT_FILE resource has gone away, resetting to default");
}
zval_ptr_dtor(&ch->handlers.write->stream);
ZVAL_UNDEF(&ch->handlers.write->stream);
ch->handlers.write->fp = 0;
ch->handlers.write->method = PHP_CURL_STDOUT;
curl_easy_setopt(ch->cp, CURLOPT_FILE, (void *) ch);
}
}
return;
}
/* }}} */
/* {{{ curl_module_entry */
zend_module_entry curl_module_entry = {
STANDARD_MODULE_HEADER,
"curl",
ext_functions,
PHP_MINIT(curl),
PHP_MSHUTDOWN(curl),
NULL,
NULL,
PHP_MINFO(curl),
PHP_CURL_VERSION,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_CURL
ZEND_GET_MODULE (curl)
#endif
/* CurlHandle class */
zend_class_entry *curl_ce;
zend_class_entry *curl_share_ce;
static zend_object_handlers curl_object_handlers;
static zend_object *curl_create_object(zend_class_entry *class_type);
static void curl_free_obj(zend_object *object);
static HashTable *curl_get_gc(zend_object *object, zval **table, int *n);
static zend_function *curl_get_constructor(zend_object *object);
static zend_object *curl_clone_obj(zend_object *object);
php_curl *init_curl_handle_into_zval(zval *curl);
static inline zend_result build_mime_structure_from_hash(php_curl *ch, zval *zpostfields);
/* {{{ PHP_INI_BEGIN */
PHP_INI_BEGIN()
PHP_INI_ENTRY("curl.cainfo", "", PHP_INI_SYSTEM, NULL)
PHP_INI_END()
/* }}} */
/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(curl)
{
curl_version_info_data *d;
char **p;
char str[1024];
size_t n = 0;
d = curl_version_info(CURLVERSION_NOW);
php_info_print_table_start();
php_info_print_table_row(2, "cURL support", "enabled");
php_info_print_table_row(2, "cURL Information", d->version);
snprintf(str, sizeof(str), "%d", d->age);
php_info_print_table_row(2, "Age", str);
/* To update on each new cURL release using src/main.c in cURL sources */
/* make sure to sync this list with curl_version as well */
if (d->features) {
struct feat {
const char *name;
int bitmask;
};
unsigned int i;
static const struct feat feats[] = {
{"AsynchDNS", CURL_VERSION_ASYNCHDNS},
{"CharConv", CURL_VERSION_CONV},
{"Debug", CURL_VERSION_DEBUG},
{"GSS-Negotiate", CURL_VERSION_GSSNEGOTIATE},
{"IDN", CURL_VERSION_IDN},
{"IPv6", CURL_VERSION_IPV6},
{"krb4", CURL_VERSION_KERBEROS4},
{"Largefile", CURL_VERSION_LARGEFILE},
{"libz", CURL_VERSION_LIBZ},
{"NTLM", CURL_VERSION_NTLM},
{"NTLMWB", CURL_VERSION_NTLM_WB},
{"SPNEGO", CURL_VERSION_SPNEGO},
{"SSL", CURL_VERSION_SSL},
{"SSPI", CURL_VERSION_SSPI},
{"TLS-SRP", CURL_VERSION_TLSAUTH_SRP},
{"HTTP2", CURL_VERSION_HTTP2},
{"GSSAPI", CURL_VERSION_GSSAPI},
{"KERBEROS5", CURL_VERSION_KERBEROS5},
{"UNIX_SOCKETS", CURL_VERSION_UNIX_SOCKETS},
{"PSL", CURL_VERSION_PSL},
{"HTTPS_PROXY", CURL_VERSION_HTTPS_PROXY},
{"MULTI_SSL", CURL_VERSION_MULTI_SSL},
{"BROTLI", CURL_VERSION_BROTLI},
#if LIBCURL_VERSION_NUM >= 0x074001 /* Available since 7.64.1 */
{"ALTSVC", CURL_VERSION_ALTSVC},
#endif
#if LIBCURL_VERSION_NUM >= 0x074200 /* Available since 7.66.0 */
{"HTTP3", CURL_VERSION_HTTP3},
#endif
#if LIBCURL_VERSION_NUM >= 0x074800 /* Available since 7.72.0 */
{"UNICODE", CURL_VERSION_UNICODE},
{"ZSTD", CURL_VERSION_ZSTD},
#endif
#if LIBCURL_VERSION_NUM >= 0x074a00 /* Available since 7.74.0 */
{"HSTS", CURL_VERSION_HSTS},
#endif
#if LIBCURL_VERSION_NUM >= 0x074c00 /* Available since 7.76.0 */
{"GSASL", CURL_VERSION_GSASL},
#endif
{NULL, 0}
};
php_info_print_table_row(1, "Features");
for(i=0; i<sizeof(feats)/sizeof(feats[0]); i++) {
if (feats[i].name) {
php_info_print_table_row(2, feats[i].name, d->features & feats[i].bitmask ? "Yes" : "No");
}
}
}
n = 0;
p = (char **) d->protocols;
while (*p != NULL) {
n += snprintf(str + n, sizeof(str) - n, "%s%s", *p, *(p + 1) != NULL ? ", " : "");
p++;
}
php_info_print_table_row(2, "Protocols", str);
php_info_print_table_row(2, "Host", d->host);
if (d->ssl_version) {
php_info_print_table_row(2, "SSL Version", d->ssl_version);
}
if (d->libz_version) {
php_info_print_table_row(2, "ZLib Version", d->libz_version);
}
#if defined(CURLVERSION_SECOND) && CURLVERSION_NOW >= CURLVERSION_SECOND
if (d->ares) {
php_info_print_table_row(2, "ZLib Version", d->ares);
}
#endif
#if defined(CURLVERSION_THIRD) && CURLVERSION_NOW >= CURLVERSION_THIRD
if (d->libidn) {
php_info_print_table_row(2, "libIDN Version", d->libidn);
}
#endif
if (d->iconv_ver_num) {
php_info_print_table_row(2, "IconV Version", d->iconv_ver_num);
}
if (d->libssh_version) {
php_info_print_table_row(2, "libSSH Version", d->libssh_version);
}
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(curl)
{
REGISTER_INI_ENTRIES();
register_curl_symbols(module_number);
#ifdef PHP_CURL_NEED_OPENSSL_TSL
if (!CRYPTO_get_id_callback()) {
int i, c = CRYPTO_num_locks();
php_curl_openssl_tsl = malloc(c * sizeof(MUTEX_T));
if (!php_curl_openssl_tsl) {
return FAILURE;
}
for (i = 0; i < c; ++i) {
php_curl_openssl_tsl[i] = tsrm_mutex_alloc();
}
CRYPTO_set_id_callback(php_curl_ssl_id);
CRYPTO_set_locking_callback(php_curl_ssl_lock);
}
#endif
if (curl_global_init(CURL_GLOBAL_DEFAULT) != CURLE_OK) {
return FAILURE;
}
curl_ce = register_class_CurlHandle();
curl_ce->create_object = curl_create_object;
curl_ce->default_object_handlers = &curl_object_handlers;
memcpy(&curl_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
curl_object_handlers.offset = XtOffsetOf(php_curl, std);
curl_object_handlers.free_obj = curl_free_obj;
curl_object_handlers.get_gc = curl_get_gc;
curl_object_handlers.get_constructor = curl_get_constructor;
curl_object_handlers.clone_obj = curl_clone_obj;
curl_object_handlers.cast_object = curl_cast_object;
curl_object_handlers.compare = zend_objects_not_comparable;
curl_multi_ce = register_class_CurlMultiHandle();
curl_multi_register_handlers();
curl_share_ce = register_class_CurlShareHandle();
curl_share_register_handlers();
curlfile_register_class();
return SUCCESS;
}
/* }}} */
/* CurlHandle class */
static zend_object *curl_create_object(zend_class_entry *class_type) {
php_curl *intern = zend_object_alloc(sizeof(php_curl), class_type);
zend_object_std_init(&intern->std, class_type);
object_properties_init(&intern->std, class_type);
return &intern->std;
}
static zend_function *curl_get_constructor(zend_object *object) {
zend_throw_error(NULL, "Cannot directly construct CurlHandle, use curl_init() instead");
return NULL;
}
static zend_object *curl_clone_obj(zend_object *object) {
php_curl *ch;
CURL *cp;
zval *postfields;
zend_object *clone_object;
php_curl *clone_ch;
clone_object = curl_create_object(curl_ce);
clone_ch = curl_from_obj(clone_object);
init_curl_handle(clone_ch);
ch = curl_from_obj(object);
cp = curl_easy_duphandle(ch->cp);
if (!cp) {
zend_throw_exception(NULL, "Failed to clone CurlHandle", 0);
return &clone_ch->std;
}
clone_ch->cp = cp;
_php_setup_easy_copy_handlers(clone_ch, ch);
postfields = &clone_ch->postfields;
if (Z_TYPE_P(postfields) != IS_UNDEF) {
if (build_mime_structure_from_hash(clone_ch, postfields) == FAILURE) {
zend_throw_exception(NULL, "Failed to clone CurlHandle", 0);
return &clone_ch->std;
}
}
return &clone_ch->std;
}
static HashTable *curl_get_gc(zend_object *object, zval **table, int *n)
{
php_curl *curl = curl_from_obj(object);
zend_get_gc_buffer *gc_buffer = zend_get_gc_buffer_create();
zend_get_gc_buffer_add_zval(gc_buffer, &curl->postfields);
if (curl->handlers.read) {
if (ZEND_FCC_INITIALIZED(curl->handlers.read->fcc)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.read->fcc);
}
zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.read->stream);
}
if (curl->handlers.write) {
if (ZEND_FCC_INITIALIZED(curl->handlers.write->fcc)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.write->fcc);
}
zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.write->stream);
}
if (curl->handlers.write_header) {
if (ZEND_FCC_INITIALIZED(curl->handlers.write_header->fcc)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.write_header->fcc);
}
zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.write_header->stream);
}
if (ZEND_FCC_INITIALIZED(curl->handlers.progress)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.progress);
}
if (ZEND_FCC_INITIALIZED(curl->handlers.xferinfo)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.xferinfo);
}
if (ZEND_FCC_INITIALIZED(curl->handlers.fnmatch)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.fnmatch);
}
#if LIBCURL_VERSION_NUM >= 0x075400 /* Available since 7.84.0 */
if (ZEND_FCC_INITIALIZED(curl->handlers.sshhostkey)) {
zend_get_gc_buffer_add_fcc(gc_buffer, &curl->handlers.sshhostkey);
}
#endif
zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.std_err);
zend_get_gc_buffer_add_zval(gc_buffer, &curl->private_data);
zend_get_gc_buffer_use(gc_buffer, table, n);
return zend_std_get_properties(object);
}
zend_result curl_cast_object(zend_object *obj, zval *result, int type)
{
if (type == IS_LONG) {
/* For better backward compatibility, make (int) $curl_handle return the object ID,
* similar to how it previously returned the resource ID. */
ZVAL_LONG(result, obj->handle);
return SUCCESS;
}
return zend_std_cast_object_tostring(obj, result, type);
}
/* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(curl)
{
curl_global_cleanup();
#ifdef PHP_CURL_NEED_OPENSSL_TSL
if (php_curl_openssl_tsl) {
int i, c = CRYPTO_num_locks();
CRYPTO_set_id_callback(NULL);
CRYPTO_set_locking_callback(NULL);
for (i = 0; i < c; ++i) {
tsrm_mutex_free(php_curl_openssl_tsl[i]);
}
free(php_curl_openssl_tsl);
php_curl_openssl_tsl = NULL;
}
#endif
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
/* }}} */
/* {{{ curl_write */
static size_t curl_write(char *data, size_t size, size_t nmemb, void *ctx)
{
php_curl *ch = (php_curl *) ctx;
php_curl_write *write_handler = ch->handlers.write;
size_t length = size * nmemb;
#if PHP_CURL_DEBUG
fprintf(stderr, "curl_write() called\n");
fprintf(stderr, "data = %s, size = %d, nmemb = %d, ctx = %x\n", data, size, nmemb, ctx);
#endif
switch (write_handler->method) {
case PHP_CURL_STDOUT:
PHPWRITE(data, length);
break;
case PHP_CURL_FILE:
return fwrite(data, size, nmemb, write_handler->fp);
case PHP_CURL_RETURN:
if (length > 0) {
smart_str_appendl(&write_handler->buf, data, (int) length);
}
break;
case PHP_CURL_USER: {
zval argv[2];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&argv[0], &ch->std);
ZVAL_STRINGL(&argv[1], data, length);
ch->in_callback = true;
zend_call_known_fcc(&write_handler->fcc, &retval, /* param_count */ 2, argv, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
_php_curl_verify_handlers(ch, /* reporterror */ true);
/* TODO Check callback returns an int or something castable to int */
length = zval_get_long(&retval);
}
zval_ptr_dtor(&argv[0]);
zval_ptr_dtor(&argv[1]);
break;
}
}
return length;
}
/* }}} */
/* {{{ curl_fnmatch */
static int curl_fnmatch(void *ctx, const char *pattern, const char *string)
{
php_curl *ch = (php_curl *) ctx;
int rval = CURL_FNMATCHFUNC_FAIL;
zval argv[3];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&argv[0], &ch->std);
ZVAL_STRING(&argv[1], pattern);
ZVAL_STRING(&argv[2], string);
ch->in_callback = true;
zend_call_known_fcc(&ch->handlers.fnmatch, &retval, /* param_count */ 3, argv, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
_php_curl_verify_handlers(ch, /* reporterror */ true);
/* TODO Check callback returns an int or something castable to int */
rval = zval_get_long(&retval);
}
zval_ptr_dtor(&argv[0]);
zval_ptr_dtor(&argv[1]);
zval_ptr_dtor(&argv[2]);
return rval;
}
/* }}} */
/* {{{ curl_progress */
static size_t curl_progress(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
{
php_curl *ch = (php_curl *)clientp;
size_t rval = 0;
#if PHP_CURL_DEBUG
fprintf(stderr, "curl_progress() called\n");
fprintf(stderr, "clientp = %x, dltotal = %f, dlnow = %f, ultotal = %f, ulnow = %f\n", clientp, dltotal, dlnow, ultotal, ulnow);
#endif
zval args[5];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&args[0], &ch->std);
ZVAL_LONG(&args[1], (zend_long)dltotal);
ZVAL_LONG(&args[2], (zend_long)dlnow);
ZVAL_LONG(&args[3], (zend_long)ultotal);
ZVAL_LONG(&args[4], (zend_long)ulnow);
ch->in_callback = true;
zend_call_known_fcc(&ch->handlers.progress, &retval, /* param_count */ 5, args, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
_php_curl_verify_handlers(ch, /* reporterror */ true);
/* TODO Check callback returns an int or something castable to int */
if (0 != zval_get_long(&retval)) {
rval = 1;
}
}
zval_ptr_dtor(&args[0]);
return rval;
}
/* }}} */
/* {{{ curl_xferinfo */
static size_t curl_xferinfo(void *clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow)
{
php_curl *ch = (php_curl *)clientp;
size_t rval = 0;
#if PHP_CURL_DEBUG
fprintf(stderr, "curl_xferinfo() called\n");
fprintf(stderr, "clientp = %x, dltotal = %ld, dlnow = %ld, ultotal = %ld, ulnow = %ld\n", clientp, dltotal, dlnow, ultotal, ulnow);
#endif
zval argv[5];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&argv[0], &ch->std);
ZVAL_LONG(&argv[1], dltotal);
ZVAL_LONG(&argv[2], dlnow);
ZVAL_LONG(&argv[3], ultotal);
ZVAL_LONG(&argv[4], ulnow);
ch->in_callback = true;
zend_call_known_fcc(&ch->handlers.xferinfo, &retval, /* param_count */ 5, argv, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
_php_curl_verify_handlers(ch, /* reporterror */ true);
/* TODO Check callback returns an int or something castable to int */
if (0 != zval_get_long(&retval)) {
rval = 1;
}
}
zval_ptr_dtor(&argv[0]);
return rval;
}
/* }}} */
#if LIBCURL_VERSION_NUM >= 0x075400 /* Available since 7.84.0 */
static int curl_ssh_hostkeyfunction(void *clientp, int keytype, const char *key, size_t keylen)
{
php_curl *ch = (php_curl *)clientp;
int rval = CURLKHMATCH_MISMATCH; /* cancel connection in case of an exception */
#if PHP_CURL_DEBUG
fprintf(stderr, "curl_ssh_hostkeyfunction() called\n");
fprintf(stderr, "clientp = %x, keytype = %d, key = %s, keylen = %zu\n", clientp, keytype, key, keylen);
#endif
zval args[4];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&args[0], &ch->std);
ZVAL_LONG(&args[1], keytype);
ZVAL_STRINGL(&args[2], key, keylen);
ZVAL_LONG(&args[3], keylen);
ch->in_callback = true;
zend_call_known_fcc(&ch->handlers.sshhostkey, &retval, /* param_count */ 4, args, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
_php_curl_verify_handlers(ch, /* reporterror */ true);
if (Z_TYPE(retval) == IS_LONG) {
zend_long retval_long = Z_LVAL(retval);
if (retval_long == CURLKHMATCH_OK || retval_long == CURLKHMATCH_MISMATCH) {
rval = retval_long;
} else {
zend_throw_error(NULL, "The CURLOPT_SSH_HOSTKEYFUNCTION callback must return either CURLKHMATCH_OK or CURLKHMATCH_MISMATCH");
}
} else {
zend_throw_error(NULL, "The CURLOPT_SSH_HOSTKEYFUNCTION callback must return either CURLKHMATCH_OK or CURLKHMATCH_MISMATCH");
}
}
zval_ptr_dtor(&args[0]);
zval_ptr_dtor(&args[2]);
return rval;
}
#endif
/* {{{ curl_read */
static size_t curl_read(char *data, size_t size, size_t nmemb, void *ctx)
{
php_curl *ch = (php_curl *)ctx;
php_curl_read *read_handler = ch->handlers.read;
int length = 0;
switch (read_handler->method) {
case PHP_CURL_DIRECT:
if (read_handler->fp) {
length = fread(data, size, nmemb, read_handler->fp);
}
break;
case PHP_CURL_USER: {
zval argv[3];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&argv[0], &ch->std);
if (read_handler->res) {
GC_ADDREF(read_handler->res);
ZVAL_RES(&argv[1], read_handler->res);
} else {
ZVAL_NULL(&argv[1]);
}
ZVAL_LONG(&argv[2], (int)size * nmemb);
ch->in_callback = true;
zend_call_known_fcc(&read_handler->fcc, &retval, /* param_count */ 3, argv, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
_php_curl_verify_handlers(ch, /* reporterror */ true);
if (Z_TYPE(retval) == IS_STRING) {
length = MIN((size * nmemb), Z_STRLEN(retval));
memcpy(data, Z_STRVAL(retval), length);
} else if (Z_TYPE(retval) == IS_LONG) {
length = Z_LVAL_P(&retval);
}
// TODO Do type error if invalid type?
zval_ptr_dtor(&retval);
}
zval_ptr_dtor(&argv[0]);
zval_ptr_dtor(&argv[1]);
break;
}
}
return length;
}
/* }}} */
/* {{{ curl_write_header */
static size_t curl_write_header(char *data, size_t size, size_t nmemb, void *ctx)
{
php_curl *ch = (php_curl *) ctx;
php_curl_write *write_handler = ch->handlers.write_header;
size_t length = size * nmemb;
switch (write_handler->method) {
case PHP_CURL_STDOUT:
/* Handle special case write when we're returning the entire transfer
*/
if (ch->handlers.write->method == PHP_CURL_RETURN && length > 0) {
smart_str_appendl(&ch->handlers.write->buf, data, (int) length);
} else {
PHPWRITE(data, length);
}
break;
case PHP_CURL_FILE:
return fwrite(data, size, nmemb, write_handler->fp);
case PHP_CURL_USER: {
zval argv[2];
zval retval;
GC_ADDREF(&ch->std);
ZVAL_OBJ(&argv[0], &ch->std);
ZVAL_STRINGL(&argv[1], data, length);
ch->in_callback = true;
zend_call_known_fcc(&write_handler->fcc, &retval, /* param_count */ 2, argv, /* named_params */ NULL);
ch->in_callback = false;
if (!Z_ISUNDEF(retval)) {
// TODO: Check for valid int type for return value
_php_curl_verify_handlers(ch, /* reporterror */ true);
length = zval_get_long(&retval);
}
zval_ptr_dtor(&argv[0]);
zval_ptr_dtor(&argv[1]);
break;
}
case PHP_CURL_IGNORE:
return length;
default:
return -1;
}
return length;
}
/* }}} */
static int curl_debug(CURL *cp, curl_infotype type, char *buf, size_t buf_len, void *ctx) /* {{{ */
{
php_curl *ch = (php_curl *)ctx;
if (type == CURLINFO_HEADER_OUT) {
if (ch->header.str) {
zend_string_release_ex(ch->header.str, 0);
}
ch->header.str = zend_string_init(buf, buf_len, 0);
}
return 0;
}
/* }}} */
/* {{{ curl_free_post */
static void curl_free_post(void **post)
{
curl_mime_free((curl_mime *)*post);
}
/* }}} */
struct mime_data_cb_arg {
zend_string *filename;
php_stream *stream;
};
/* {{{ curl_free_cb_arg */
static void curl_free_cb_arg(void **cb_arg_p)
{
struct mime_data_cb_arg *cb_arg = (struct mime_data_cb_arg *) *cb_arg_p;
ZEND_ASSERT(cb_arg->stream == NULL);
zend_string_release(cb_arg->filename);
efree(cb_arg);
}
/* }}} */
/* {{{ curl_free_slist */
static void curl_free_slist(zval *el)
{
curl_slist_free_all(((struct curl_slist *)Z_PTR_P(el)));
}
/* }}} */
/* {{{ Return cURL version information. */
PHP_FUNCTION(curl_version)
{
curl_version_info_data *d;
ZEND_PARSE_PARAMETERS_NONE();
d = curl_version_info(CURLVERSION_NOW);
if (d == NULL) {
RETURN_FALSE;
}
array_init(return_value);
CAAL("version_number", d->version_num);
CAAL("age", d->age);
CAAL("features", d->features);
/* Add an array of features */
{
struct feat {
const char *name;
int bitmask;
};
unsigned int i;
zval feature_list;
array_init(&feature_list);
/* Sync this list with PHP_MINFO_FUNCTION(curl) as well */
static const struct feat feats[] = {
{"AsynchDNS", CURL_VERSION_ASYNCHDNS},
{"CharConv", CURL_VERSION_CONV},
{"Debug", CURL_VERSION_DEBUG},
{"GSS-Negotiate", CURL_VERSION_GSSNEGOTIATE},
{"IDN", CURL_VERSION_IDN},
{"IPv6", CURL_VERSION_IPV6},
{"krb4", CURL_VERSION_KERBEROS4},
{"Largefile", CURL_VERSION_LARGEFILE},
{"libz", CURL_VERSION_LIBZ},
{"NTLM", CURL_VERSION_NTLM},
{"NTLMWB", CURL_VERSION_NTLM_WB},
{"SPNEGO", CURL_VERSION_SPNEGO},
{"SSL", CURL_VERSION_SSL},
{"SSPI", CURL_VERSION_SSPI},
{"TLS-SRP", CURL_VERSION_TLSAUTH_SRP},
{"HTTP2", CURL_VERSION_HTTP2},
{"GSSAPI", CURL_VERSION_GSSAPI},
{"KERBEROS5", CURL_VERSION_KERBEROS5},
{"UNIX_SOCKETS", CURL_VERSION_UNIX_SOCKETS},
{"PSL", CURL_VERSION_PSL},
{"HTTPS_PROXY", CURL_VERSION_HTTPS_PROXY},
{"MULTI_SSL", CURL_VERSION_MULTI_SSL},
{"BROTLI", CURL_VERSION_BROTLI},
#if LIBCURL_VERSION_NUM >= 0x074001 /* Available since 7.64.1 */
{"ALTSVC", CURL_VERSION_ALTSVC},
#endif
#if LIBCURL_VERSION_NUM >= 0x074200 /* Available since 7.66.0 */
{"HTTP3", CURL_VERSION_HTTP3},
#endif
#if LIBCURL_VERSION_NUM >= 0x074800 /* Available since 7.72.0 */
{"UNICODE", CURL_VERSION_UNICODE},
{"ZSTD", CURL_VERSION_ZSTD},
#endif
#if LIBCURL_VERSION_NUM >= 0x074a00 /* Available since 7.74.0 */
{"HSTS", CURL_VERSION_HSTS},
#endif
#if LIBCURL_VERSION_NUM >= 0x074c00 /* Available since 7.76.0 */
{"GSASL", CURL_VERSION_GSASL},
#endif
};
for(i = 0; i < sizeof(feats) / sizeof(feats[0]); i++) {
if (feats[i].name) {
add_assoc_bool(&feature_list, feats[i].name, d->features & feats[i].bitmask ? true : false);
}
}
CAAZ("feature_list", &feature_list);
}
CAAL("ssl_version_number", d->ssl_version_num);
CAAS("version", d->version);
CAAS("host", d->host);
CAAS("ssl_version", d->ssl_version);
CAAS("libz_version", d->libz_version);
/* Add an array of protocols */
{
char **p = (char **) d->protocols;
zval protocol_list;
array_init(&protocol_list);
while (*p != NULL) {
add_next_index_string(&protocol_list, *p);
p++;
}
CAAZ("protocols", &protocol_list);
}