mirror of
https://github.com/php/php-src.git
synced 2024-11-24 02:15:04 +08:00
1096 lines
27 KiB
C
1096 lines
27 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| PHP Version 4 |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1997-2003 The PHP Group |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.0 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: |
|
|
| http://www.php.net/license/3_0.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 |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Authors: Rasmus Lerdorf <rasmus@php.net> |
|
|
| Jani Taskinen <sniper@php.net> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
/*
|
|
* This product includes software developed by the Apache Group
|
|
* for use in the Apache HTTP server project (http://www.apache.org/).
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "php.h"
|
|
#include "php_open_temporary_file.h"
|
|
#include "zend_globals.h"
|
|
#include "php_globals.h"
|
|
#include "php_variables.h"
|
|
#include "rfc1867.h"
|
|
|
|
#if HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING)
|
|
#include "ext/mbstring/mbstring.h"
|
|
#endif
|
|
|
|
#undef DEBUG_FILE_UPLOAD
|
|
|
|
#define SAFE_RETURN { \
|
|
if (lbuf) efree(lbuf); \
|
|
if (abuf) efree(abuf); \
|
|
if (array_index) efree(array_index); \
|
|
zend_hash_destroy(&PG(rfc1867_protected_variables)); \
|
|
zend_llist_destroy(&header); \
|
|
if (mbuff->boundary_next) efree(mbuff->boundary_next); \
|
|
if (mbuff->boundary) efree(mbuff->boundary); \
|
|
if (mbuff->buffer) efree(mbuff->buffer); \
|
|
if (mbuff) efree(mbuff); \
|
|
return; }
|
|
|
|
|
|
/* The longest property name we use in an uploaded file array */
|
|
#define MAX_SIZE_OF_INDEX sizeof("[tmp_name]")
|
|
|
|
/* The longest anonymous name */
|
|
#define MAX_SIZE_ANONNAME 33
|
|
|
|
/* Errors */
|
|
#define UPLOAD_ERROR_OK 0 /* File upload succesful */
|
|
#define UPLOAD_ERROR_A 1 /* Uploaded file exceeded upload_max_filesize */
|
|
#define UPLOAD_ERROR_B 2 /* Uploaded file exceeded MAX_FILE_SIZE */
|
|
#define UPLOAD_ERROR_C 3 /* Partially uploaded */
|
|
#define UPLOAD_ERROR_D 4 /* No file uploaded */
|
|
|
|
void php_rfc1867_register_constants(TSRMLS_D)
|
|
{
|
|
REGISTER_MAIN_LONG_CONSTANT("UPLOAD_ERR_OK", UPLOAD_ERROR_OK, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_MAIN_LONG_CONSTANT("UPLOAD_ERR_INI_SIZE", UPLOAD_ERROR_A, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_MAIN_LONG_CONSTANT("UPLOAD_ERR_FORM_SIZE", UPLOAD_ERROR_B, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_MAIN_LONG_CONSTANT("UPLOAD_ERR_PARTIAL", UPLOAD_ERROR_C, CONST_CS | CONST_PERSISTENT);
|
|
REGISTER_MAIN_LONG_CONSTANT("UPLOAD_ERR_NO_FILE", UPLOAD_ERROR_D, CONST_CS | CONST_PERSISTENT);
|
|
}
|
|
|
|
static void normalize_protected_variable(char *varname TSRMLS_DC)
|
|
{
|
|
char *s=varname, *index=NULL, *indexend=NULL, *p;
|
|
|
|
/* overjump leading space */
|
|
while (*s == ' ') {
|
|
s++;
|
|
}
|
|
|
|
/* and remove it */
|
|
if (s != varname) {
|
|
memcpy(varname, s, strlen(s)+1);
|
|
}
|
|
|
|
for (p=varname; *p && *p != '['; p++) {
|
|
switch(*p) {
|
|
case ' ':
|
|
case '.':
|
|
*p='_';
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* find index */
|
|
index = strchr(varname, '[');
|
|
if (index) {
|
|
index++;
|
|
s=index;
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
/* done? */
|
|
while (index) {
|
|
|
|
while (*index == ' ' || *index == '\r' || *index == '\n' || *index=='\t') {
|
|
index++;
|
|
}
|
|
indexend = strchr(index, ']');
|
|
indexend = indexend ? indexend + 1 : index + strlen(index);
|
|
|
|
if (s != index) {
|
|
memcpy(s, index, strlen(s)+1);
|
|
s += indexend-index;
|
|
} else {
|
|
s = indexend;
|
|
}
|
|
|
|
if (*s == '[') {
|
|
s++;
|
|
index = s;
|
|
} else {
|
|
index = NULL;
|
|
}
|
|
}
|
|
*s++='\0';
|
|
}
|
|
|
|
|
|
static void add_protected_variable(char *varname TSRMLS_DC)
|
|
{
|
|
int dummy=1;
|
|
|
|
normalize_protected_variable(varname TSRMLS_CC);
|
|
zend_hash_add(&PG(rfc1867_protected_variables), varname, strlen(varname)+1, &dummy, sizeof(int), NULL);
|
|
}
|
|
|
|
|
|
static zend_bool is_protected_variable(char *varname TSRMLS_DC)
|
|
{
|
|
normalize_protected_variable(varname TSRMLS_CC);
|
|
return zend_hash_exists(&PG(rfc1867_protected_variables), varname, strlen(varname)+1);
|
|
}
|
|
|
|
|
|
static void safe_php_register_variable(char *var, char *strval, zval *track_vars_array, zend_bool override_protection TSRMLS_DC)
|
|
{
|
|
if (override_protection || !is_protected_variable(var TSRMLS_CC)) {
|
|
php_register_variable(var, strval, track_vars_array TSRMLS_CC);
|
|
}
|
|
}
|
|
|
|
|
|
static void safe_php_register_variable_ex(char *var, zval *val, zval *track_vars_array, zend_bool override_protection TSRMLS_DC)
|
|
{
|
|
if (override_protection || !is_protected_variable(var TSRMLS_CC)) {
|
|
php_register_variable_ex(var, val, track_vars_array TSRMLS_CC);
|
|
}
|
|
}
|
|
|
|
|
|
static void register_http_post_files_variable(char *strvar, char *val, zval *http_post_files, zend_bool override_protection TSRMLS_DC)
|
|
{
|
|
int register_globals = PG(register_globals);
|
|
|
|
PG(register_globals) = 0;
|
|
safe_php_register_variable(strvar, val, http_post_files, override_protection TSRMLS_CC);
|
|
PG(register_globals) = register_globals;
|
|
}
|
|
|
|
|
|
static void register_http_post_files_variable_ex(char *var, zval *val, zval *http_post_files, zend_bool override_protection TSRMLS_DC)
|
|
{
|
|
int register_globals = PG(register_globals);
|
|
|
|
PG(register_globals) = 0;
|
|
safe_php_register_variable_ex(var, val, http_post_files, override_protection TSRMLS_CC);
|
|
PG(register_globals) = register_globals;
|
|
}
|
|
|
|
|
|
static int unlink_filename(char **filename TSRMLS_DC)
|
|
{
|
|
VCWD_UNLINK(*filename);
|
|
return 0;
|
|
}
|
|
|
|
|
|
void destroy_uploaded_files_hash(TSRMLS_D)
|
|
{
|
|
zend_hash_apply(SG(rfc1867_uploaded_files), (apply_func_t) unlink_filename TSRMLS_CC);
|
|
zend_hash_destroy(SG(rfc1867_uploaded_files));
|
|
FREE_HASHTABLE(SG(rfc1867_uploaded_files));
|
|
}
|
|
|
|
|
|
/*
|
|
* Following code is based on apache_multipart_buffer.c from libapreq-0.33 package.
|
|
*
|
|
*/
|
|
|
|
#define FILLUNIT (1024 * 5)
|
|
|
|
typedef struct {
|
|
|
|
/* read buffer */
|
|
char *buffer;
|
|
char *buf_begin;
|
|
int bufsize;
|
|
int bytes_in_buffer;
|
|
|
|
/* boundary info */
|
|
char *boundary;
|
|
char *boundary_next;
|
|
int boundary_next_len;
|
|
|
|
} multipart_buffer;
|
|
|
|
|
|
typedef struct {
|
|
char *key;
|
|
char *value;
|
|
} mime_header_entry;
|
|
|
|
|
|
/*
|
|
fill up the buffer with client data.
|
|
returns number of bytes added to buffer.
|
|
*/
|
|
static int fill_buffer(multipart_buffer *self TSRMLS_DC)
|
|
{
|
|
int bytes_to_read, total_read = 0, actual_read = 0;
|
|
|
|
/* shift the existing data if necessary */
|
|
if (self->bytes_in_buffer > 0 && self->buf_begin != self->buffer) {
|
|
memmove(self->buffer, self->buf_begin, self->bytes_in_buffer);
|
|
}
|
|
|
|
self->buf_begin = self->buffer;
|
|
|
|
/* calculate the free space in the buffer */
|
|
bytes_to_read = self->bufsize - self->bytes_in_buffer;
|
|
|
|
/* read the required number of bytes */
|
|
while (bytes_to_read > 0) {
|
|
|
|
char *buf = self->buffer + self->bytes_in_buffer;
|
|
|
|
actual_read = sapi_module.read_post(buf, bytes_to_read TSRMLS_CC);
|
|
|
|
/* update the buffer length */
|
|
if (actual_read > 0) {
|
|
self->bytes_in_buffer += actual_read;
|
|
SG(read_post_bytes) += actual_read;
|
|
total_read += actual_read;
|
|
bytes_to_read -= actual_read;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return total_read;
|
|
}
|
|
|
|
|
|
/* eof if we are out of bytes, or if we hit the final boundary */
|
|
static int multipart_buffer_eof(multipart_buffer *self TSRMLS_DC)
|
|
{
|
|
if ( (self->bytes_in_buffer == 0 && fill_buffer(self TSRMLS_CC) < 1) ) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/* create new multipart_buffer structure */
|
|
static multipart_buffer *multipart_buffer_new(char *boundary, int boundary_len)
|
|
{
|
|
multipart_buffer *self = (multipart_buffer *) ecalloc(1, sizeof(multipart_buffer));
|
|
|
|
int minsize = boundary_len + 6;
|
|
if (minsize < FILLUNIT) minsize = FILLUNIT;
|
|
|
|
self->buffer = (char *) ecalloc(1, minsize + 1);
|
|
self->bufsize = minsize;
|
|
|
|
self->boundary = (char *) ecalloc(1, boundary_len + 3);
|
|
sprintf(self->boundary, "--%s", boundary);
|
|
|
|
self->boundary_next = (char *) ecalloc(1, boundary_len + 4);
|
|
sprintf(self->boundary_next, "\n--%s", boundary);
|
|
self->boundary_next_len = boundary_len + 3;
|
|
|
|
self->buf_begin = self->buffer;
|
|
self->bytes_in_buffer = 0;
|
|
|
|
return self;
|
|
}
|
|
|
|
|
|
/*
|
|
gets the next CRLF terminated line from the input buffer.
|
|
if it doesn't find a CRLF, and the buffer isn't completely full, returns
|
|
NULL; otherwise, returns the beginning of the null-terminated line,
|
|
minus the CRLF.
|
|
|
|
note that we really just look for LF terminated lines. this works
|
|
around a bug in internet explorer for the macintosh which sends mime
|
|
boundaries that are only LF terminated when you use an image submit
|
|
button in a multipart/form-data form.
|
|
*/
|
|
static char *next_line(multipart_buffer *self)
|
|
{
|
|
/* look for LF in the data */
|
|
char* line = self->buf_begin;
|
|
char* ptr = memchr(self->buf_begin, '\n', self->bytes_in_buffer);
|
|
|
|
if (ptr) { /* LF found */
|
|
|
|
/* terminate the string, remove CRLF */
|
|
if ((ptr - line) > 0 && *(ptr-1) == '\r') {
|
|
*(ptr-1) = 0;
|
|
} else {
|
|
*ptr = 0;
|
|
}
|
|
|
|
/* bump the pointer */
|
|
self->buf_begin = ptr + 1;
|
|
self->bytes_in_buffer -= (self->buf_begin - line);
|
|
|
|
} else { /* no LF found */
|
|
|
|
/* buffer isn't completely full, fail */
|
|
if (self->bytes_in_buffer < self->bufsize) {
|
|
return NULL;
|
|
}
|
|
/* return entire buffer as a partial line */
|
|
line[self->bufsize] = 0;
|
|
self->buf_begin = ptr;
|
|
self->bytes_in_buffer = 0;
|
|
}
|
|
|
|
return line;
|
|
}
|
|
|
|
|
|
/* returns the next CRLF terminated line from the client */
|
|
static char *get_line(multipart_buffer *self TSRMLS_DC)
|
|
{
|
|
char* ptr = next_line(self);
|
|
|
|
if (!ptr) {
|
|
fill_buffer(self TSRMLS_CC);
|
|
ptr = next_line(self);
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/* Free header entry */
|
|
static void php_free_hdr_entry(mime_header_entry *h)
|
|
{
|
|
if (h->key) {
|
|
efree(h->key);
|
|
}
|
|
if (h->value) {
|
|
efree(h->value);
|
|
}
|
|
}
|
|
|
|
|
|
/* finds a boundary */
|
|
static int find_boundary(multipart_buffer *self, char *boundary TSRMLS_DC)
|
|
{
|
|
char *line;
|
|
|
|
/* loop thru lines */
|
|
while( (line = get_line(self TSRMLS_CC)) )
|
|
{
|
|
/* finished if we found the boundary */
|
|
if (!strcmp(line, boundary)) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
/* didn't find the boundary */
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* parse headers */
|
|
static int multipart_buffer_headers(multipart_buffer *self, zend_llist *header TSRMLS_DC)
|
|
{
|
|
char *line;
|
|
mime_header_entry prev_entry, entry;
|
|
int prev_len, cur_len;
|
|
|
|
/* didn't find boundary, abort */
|
|
if (!find_boundary(self, self->boundary TSRMLS_CC)) {
|
|
return 0;
|
|
}
|
|
|
|
/* get lines of text, or CRLF_CRLF */
|
|
|
|
while( (line = get_line(self TSRMLS_CC)) && strlen(line) > 0 )
|
|
{
|
|
/* add header to table */
|
|
|
|
char *key = line;
|
|
char *value = NULL;
|
|
|
|
/* space in the beginning means same header */
|
|
if (!isspace(line[0])) {
|
|
value = strchr(line, ':');
|
|
}
|
|
|
|
if (value) {
|
|
*value = 0;
|
|
do { value++; } while(isspace(*value));
|
|
|
|
entry.value = estrdup(value);
|
|
entry.key = estrdup(key);
|
|
|
|
} else if (zend_llist_count(header)) { /* If no ':' on the line, add to previous line */
|
|
|
|
prev_len = strlen(prev_entry.value);
|
|
cur_len = strlen(line);
|
|
|
|
entry.value = emalloc(prev_len + cur_len + 1);
|
|
memcpy(entry.value, prev_entry.value, prev_len);
|
|
memcpy(entry.value + prev_len, line, cur_len);
|
|
entry.value[cur_len + prev_len] = '\0';
|
|
|
|
entry.key = estrdup(prev_entry.key);
|
|
|
|
zend_llist_remove_tail(header);
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
zend_llist_add_element(header, &entry);
|
|
prev_entry = entry;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
static char *php_mime_get_hdr_value(zend_llist header, char *key)
|
|
{
|
|
mime_header_entry *entry;
|
|
|
|
if (key == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
entry = zend_llist_get_first(&header);
|
|
while (entry) {
|
|
if (!strcasecmp(entry->key, key)) {
|
|
return entry->value;
|
|
}
|
|
entry = zend_llist_get_next(&header);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static char *php_ap_getword(char **line, char stop)
|
|
{
|
|
char *pos = *line, quote;
|
|
char *res;
|
|
|
|
while (*pos && *pos != stop) {
|
|
|
|
if ((quote = *pos) == '"' || quote == '\'') {
|
|
++pos;
|
|
while (*pos && *pos != quote) {
|
|
if (*pos == '\\' && pos[1] && pos[1] == quote) {
|
|
pos += 2;
|
|
} else {
|
|
++pos;
|
|
}
|
|
}
|
|
if (*pos) {
|
|
++pos;
|
|
}
|
|
} else ++pos;
|
|
|
|
}
|
|
if (*pos == '\0') {
|
|
res = estrdup(*line);
|
|
*line += strlen(*line);
|
|
return res;
|
|
}
|
|
|
|
res = estrndup(*line, pos - *line);
|
|
|
|
while (*pos == stop) {
|
|
++pos;
|
|
}
|
|
|
|
*line = pos;
|
|
return res;
|
|
}
|
|
|
|
|
|
static char *substring_conf(char *start, int len, char quote TSRMLS_DC)
|
|
{
|
|
char *result = emalloc(len + 2);
|
|
char *resp = result;
|
|
int i;
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
if (start[i] == '\\' && (start[i + 1] == '\\' || (quote && start[i + 1] == quote))) {
|
|
*resp++ = start[++i];
|
|
} else {
|
|
#if HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING)
|
|
if (php_mb_encoding_translation(TSRMLS_C)) {
|
|
size_t j = php_mb_gpc_mbchar_bytes(start+i TSRMLS_CC);
|
|
while (j-- > 0 && i < len) {
|
|
*resp++ = start[i++];
|
|
}
|
|
--i;
|
|
} else {
|
|
*resp++ = start[i];
|
|
}
|
|
#else
|
|
*resp++ = start[i];
|
|
#endif
|
|
}
|
|
}
|
|
|
|
*resp++ = '\0';
|
|
return result;
|
|
}
|
|
|
|
|
|
static char *php_ap_getword_conf(char **line TSRMLS_DC)
|
|
{
|
|
char *str = *line, *strend, *res, quote;
|
|
|
|
#if HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING)
|
|
if (php_mb_encoding_translation(TSRMLS_C)) {
|
|
php_mb_gpc_encoding_detector(str, strlen(str), NULL TSRMLS_CC);
|
|
}
|
|
#endif
|
|
|
|
while (*str && isspace(*str)) {
|
|
++str;
|
|
}
|
|
|
|
if (!*str) {
|
|
*line = str;
|
|
return estrdup("");
|
|
}
|
|
|
|
if ((quote = *str) == '"' || quote == '\'') {
|
|
strend = str + 1;
|
|
while (*strend && *strend != quote) {
|
|
if (*strend == '\\' && strend[1] && strend[1] == quote) {
|
|
strend += 2;
|
|
} else {
|
|
++strend;
|
|
}
|
|
}
|
|
res = substring_conf(str + 1, strend - str - 1, quote TSRMLS_CC);
|
|
|
|
if (*strend == quote) {
|
|
++strend;
|
|
}
|
|
|
|
} else {
|
|
|
|
strend = str;
|
|
while (*strend && !isspace(*strend)) {
|
|
++strend;
|
|
}
|
|
res = substring_conf(str, strend - str, 0 TSRMLS_CC);
|
|
}
|
|
|
|
while (*strend && isspace(*strend)) {
|
|
++strend;
|
|
}
|
|
|
|
*line = strend;
|
|
return res;
|
|
}
|
|
|
|
|
|
/*
|
|
search for a string in a fixed-length byte string.
|
|
if partial is true, partial matches are allowed at the end of the buffer.
|
|
returns NULL if not found, or a pointer to the start of the first match.
|
|
*/
|
|
static void *php_ap_memstr(char *haystack, int haystacklen, char *needle, int needlen, int partial)
|
|
{
|
|
int len = haystacklen;
|
|
char *ptr = haystack;
|
|
|
|
/* iterate through first character matches */
|
|
while( (ptr = memchr(ptr, needle[0], len)) ) {
|
|
|
|
/* calculate length after match */
|
|
len = haystacklen - (ptr - (char *)haystack);
|
|
|
|
/* done if matches up to capacity of buffer */
|
|
if (memcmp(needle, ptr, needlen < len ? needlen : len) == 0 && (partial || len >= needlen)) {
|
|
break;
|
|
}
|
|
|
|
/* next character */
|
|
ptr++; len--;
|
|
}
|
|
|
|
return ptr;
|
|
}
|
|
|
|
|
|
/* read until a boundary condition */
|
|
static int multipart_buffer_read(multipart_buffer *self, char *buf, int bytes TSRMLS_DC)
|
|
{
|
|
int len, max;
|
|
char *bound;
|
|
|
|
/* fill buffer if needed */
|
|
if (bytes > self->bytes_in_buffer) {
|
|
fill_buffer(self TSRMLS_CC);
|
|
}
|
|
|
|
/* look for a potential boundary match, only read data up to that point */
|
|
if ((bound = php_ap_memstr(self->buf_begin, self->bytes_in_buffer, self->boundary_next, self->boundary_next_len, 1))) {
|
|
max = bound - self->buf_begin;
|
|
} else {
|
|
max = self->bytes_in_buffer;
|
|
}
|
|
|
|
/* maximum number of bytes we are reading */
|
|
len = max < bytes-1 ? max : bytes-1;
|
|
|
|
/* if we read any data... */
|
|
if (len > 0) {
|
|
|
|
/* copy the data */
|
|
memcpy(buf, self->buf_begin, len);
|
|
buf[len] = 0;
|
|
|
|
if (bound && len > 0 && buf[len-1] == '\r') {
|
|
buf[--len] = 0;
|
|
}
|
|
|
|
/* update the buffer */
|
|
self->bytes_in_buffer -= len;
|
|
self->buf_begin += len;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
/*
|
|
XXX: this is horrible memory-usage-wise, but we only expect
|
|
to do this on small pieces of form data.
|
|
*/
|
|
static char *multipart_buffer_read_body(multipart_buffer *self TSRMLS_DC)
|
|
{
|
|
char buf[FILLUNIT], *out=NULL;
|
|
int total_bytes=0, read_bytes=0;
|
|
|
|
while((read_bytes = multipart_buffer_read(self, buf, sizeof(buf) TSRMLS_CC))) {
|
|
out = erealloc(out, total_bytes + read_bytes + 1);
|
|
memcpy(out + total_bytes, buf, read_bytes);
|
|
total_bytes += read_bytes;
|
|
}
|
|
|
|
if (out) out[total_bytes] = '\0';
|
|
|
|
return out;
|
|
}
|
|
|
|
|
|
/*
|
|
* The combined READER/HANDLER
|
|
*
|
|
*/
|
|
|
|
SAPI_API SAPI_POST_HANDLER_FUNC(rfc1867_post_handler)
|
|
{
|
|
char *boundary, *s=NULL, *boundary_end = NULL, *start_arr=NULL, *array_index=NULL;
|
|
char *temp_filename=NULL, *lbuf=NULL, *abuf=NULL;
|
|
int boundary_len=0, total_bytes=0, cancel_upload=0, is_arr_upload=0, array_len=0;
|
|
int max_file_size=0, skip_upload=0, anonindex=0, is_anonymous;
|
|
zval *http_post_files=NULL;
|
|
#if HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING)
|
|
int str_len=0
|
|
#endif
|
|
zend_bool magic_quotes_gpc;
|
|
multipart_buffer *mbuff;
|
|
zval *array_ptr = (zval *) arg;
|
|
FILE *fp;
|
|
zend_llist header;
|
|
|
|
if (SG(request_info).content_length > SG(post_max_size)) {
|
|
sapi_module.sapi_error(E_WARNING, "POST Content-Length of %d bytes exceeds the limit of %d bytes", SG(request_info).content_length, SG(post_max_size));
|
|
return;
|
|
}
|
|
|
|
/* Get the boundary */
|
|
boundary = strstr(content_type_dup, "boundary");
|
|
if (!boundary || !(boundary=strchr(boundary, '='))) {
|
|
sapi_module.sapi_error(E_WARNING, "Missing boundary in multipart/form-data POST data");
|
|
return;
|
|
}
|
|
|
|
boundary++;
|
|
boundary_len = strlen(boundary);
|
|
|
|
if (boundary[0] == '"') {
|
|
boundary++;
|
|
boundary_end = strchr(boundary, '"');
|
|
if (!boundary_end) {
|
|
sapi_module.sapi_error(E_WARNING, "Invalid boundary in multipart/form-data POST data");
|
|
return;
|
|
}
|
|
} else {
|
|
/* search for the end of the boundary */
|
|
boundary_end = strchr(boundary, ',');
|
|
}
|
|
if (boundary_end) {
|
|
boundary_end[0] = '\0';
|
|
boundary_len = boundary_end-boundary;
|
|
}
|
|
|
|
/* Initialize the buffer */
|
|
if (!(mbuff = multipart_buffer_new(boundary, boundary_len))) {
|
|
sapi_module.sapi_error(E_WARNING, "Unable to initialize the input buffer");
|
|
return;
|
|
}
|
|
|
|
/* Initialize $_FILES[] */
|
|
zend_hash_init(&PG(rfc1867_protected_variables), 5, NULL, NULL, 0);
|
|
|
|
ALLOC_HASHTABLE(SG(rfc1867_uploaded_files));
|
|
zend_hash_init(SG(rfc1867_uploaded_files), 5, NULL, (dtor_func_t) free_estring, 0);
|
|
|
|
ALLOC_ZVAL(http_post_files);
|
|
array_init(http_post_files);
|
|
INIT_PZVAL(http_post_files);
|
|
PG(http_globals)[TRACK_VARS_FILES] = http_post_files;
|
|
|
|
zend_llist_init(&header, sizeof(mime_header_entry), (llist_dtor_func_t) php_free_hdr_entry, 0);
|
|
|
|
while (!multipart_buffer_eof(mbuff TSRMLS_CC))
|
|
{
|
|
char buff[FILLUNIT];
|
|
char *cd=NULL,*param=NULL,*filename=NULL;
|
|
int blen=0, wlen=0;
|
|
|
|
zend_llist_clean(&header);
|
|
|
|
if (!multipart_buffer_headers(mbuff, &header TSRMLS_CC)) {
|
|
SAFE_RETURN;
|
|
}
|
|
|
|
if ((cd = php_mime_get_hdr_value(header, "Content-Disposition"))) {
|
|
char *pair=NULL;
|
|
|
|
while (isspace(*cd)) {
|
|
++cd;
|
|
}
|
|
|
|
while (*cd && (pair = php_ap_getword(&cd, ';')))
|
|
{
|
|
char *key=NULL, *word = pair;
|
|
|
|
while (isspace(*cd)) {
|
|
++cd;
|
|
}
|
|
|
|
if (strchr(pair, '=')) {
|
|
key = php_ap_getword(&pair, '=');
|
|
|
|
if (!strcasecmp(key, "name")) {
|
|
if (param) {
|
|
efree(param);
|
|
}
|
|
param = php_ap_getword_conf(&pair TSRMLS_CC);
|
|
} else if (!strcasecmp(key, "filename")) {
|
|
if (filename) {
|
|
efree(filename);
|
|
}
|
|
filename = php_ap_getword_conf(&pair TSRMLS_CC);
|
|
}
|
|
}
|
|
if (key) {
|
|
efree(key);
|
|
}
|
|
efree(word);
|
|
}
|
|
|
|
/* Normal form variable, safe to read all data into memory */
|
|
if (!filename && param) {
|
|
|
|
char *value = multipart_buffer_read_body(mbuff TSRMLS_CC);
|
|
|
|
if (!value) {
|
|
value = estrdup("");
|
|
}
|
|
|
|
sapi_module.input_filter(PARSE_POST, param, &value, strlen(value) TSRMLS_CC);
|
|
#if HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING)
|
|
if (php_mb_encoding_translation(TSRMLS_C)) {
|
|
if (php_mb_gpc_encoding_detector(value, strlen(value), NULL TSRMLS_CC) == SUCCESS) {
|
|
str_len = strlen(value);
|
|
php_mb_gpc_encoding_converter(&value , &str_len, NULL, NULL TSRMLS_CC);
|
|
}
|
|
}
|
|
#endif
|
|
safe_php_register_variable(param, value, array_ptr, 0 TSRMLS_CC);
|
|
if (!strcasecmp(param, "MAX_FILE_SIZE")) {
|
|
max_file_size = atol(value);
|
|
}
|
|
|
|
efree(param);
|
|
efree(value);
|
|
continue;
|
|
}
|
|
|
|
/* If file_uploads=off, skip the file part */
|
|
if (!PG(file_uploads)) {
|
|
skip_upload = 1;
|
|
}
|
|
|
|
/* Return with an error if the posted data is garbled */
|
|
if (!param && !filename) {
|
|
sapi_module.sapi_error(E_WARNING, "File Upload Mime headers garbled");
|
|
SAFE_RETURN;
|
|
}
|
|
|
|
if (!param) {
|
|
is_anonymous = 1;
|
|
param = emalloc(MAX_SIZE_ANONNAME);
|
|
snprintf(param, MAX_SIZE_ANONNAME, "%u", anonindex++);
|
|
} else {
|
|
is_anonymous = 0;
|
|
}
|
|
|
|
if (!skip_upload) {
|
|
/* Handle file */
|
|
fp = php_open_temporary_file(PG(upload_tmp_dir), "php", &temp_filename TSRMLS_CC);
|
|
if (!fp) {
|
|
sapi_module.sapi_error(E_WARNING, "File upload error - unable to create a temporary file");
|
|
skip_upload = 1;
|
|
}
|
|
}
|
|
if (skip_upload) {
|
|
efree(param);
|
|
efree(filename);
|
|
continue;
|
|
}
|
|
|
|
total_bytes = 0;
|
|
cancel_upload = 0;
|
|
|
|
if(strlen(filename) == 0) {
|
|
#ifdef DEBUG_FILE_UPLOAD
|
|
sapi_module.sapi_error(E_NOTICE, "No file uploaded");
|
|
#endif
|
|
cancel_upload = UPLOAD_ERROR_D;
|
|
}
|
|
|
|
while (!cancel_upload && (blen = multipart_buffer_read(mbuff, buff, sizeof(buff) TSRMLS_CC)))
|
|
{
|
|
if (PG(upload_max_filesize) > 0 && total_bytes > PG(upload_max_filesize)) {
|
|
sapi_module.sapi_error(E_WARNING, "upload_max_filesize of %ld bytes exceeded - file [%s=%s] not saved", PG(upload_max_filesize), param, filename);
|
|
cancel_upload = UPLOAD_ERROR_A;
|
|
} else if (max_file_size && (total_bytes > max_file_size)) {
|
|
sapi_module.sapi_error(E_WARNING, "MAX_FILE_SIZE of %ld bytes exceeded - file [%s=%s] not saved", max_file_size, param, filename);
|
|
cancel_upload = UPLOAD_ERROR_B;
|
|
} else if (blen > 0) {
|
|
wlen = fwrite(buff, 1, blen, fp);
|
|
|
|
if (wlen < blen) {
|
|
sapi_module.sapi_error(E_WARNING, "Only %d bytes were written, expected to write %ld", wlen, blen);
|
|
cancel_upload = UPLOAD_ERROR_C;
|
|
} else {
|
|
total_bytes += wlen;
|
|
}
|
|
}
|
|
}
|
|
fclose(fp);
|
|
|
|
#ifdef DEBUG_FILE_UPLOAD
|
|
if(strlen(filename) > 0 && total_bytes == 0) {
|
|
sapi_module.sapi_error(E_WARNING, "Uploaded file size 0 - file [%s=%s] not saved", param, filename);
|
|
cancel_upload = 5;
|
|
}
|
|
#endif
|
|
|
|
if (cancel_upload) {
|
|
if (temp_filename) {
|
|
unlink(temp_filename);
|
|
efree(temp_filename);
|
|
}
|
|
temp_filename="";
|
|
} else {
|
|
zend_hash_add(SG(rfc1867_uploaded_files), temp_filename, strlen(temp_filename) + 1, &temp_filename, sizeof(char *), NULL);
|
|
}
|
|
|
|
/* is_arr_upload is true when name of file upload field
|
|
* ends in [.*]
|
|
* start_arr is set to point to 1st [
|
|
*/
|
|
is_arr_upload = (start_arr = strchr(param,'[')) && (param[strlen(param)-1] == ']');
|
|
/* handle unterminated [ */
|
|
if (!is_arr_upload && start_arr) {
|
|
*start_arr = '_';
|
|
}
|
|
|
|
if (is_arr_upload) {
|
|
array_len = strlen(start_arr);
|
|
if (array_index) {
|
|
efree(array_index);
|
|
}
|
|
array_index = estrndup(start_arr+1, array_len-2);
|
|
}
|
|
|
|
/* Add $foo_name */
|
|
if (lbuf) {
|
|
efree(lbuf);
|
|
}
|
|
lbuf = (char *) emalloc(strlen(param) + MAX_SIZE_OF_INDEX + 1);
|
|
|
|
if (is_arr_upload) {
|
|
if (abuf) efree(abuf);
|
|
abuf = estrndup(param, strlen(param)-array_len);
|
|
sprintf(lbuf, "%s_name[%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s_name", param);
|
|
}
|
|
|
|
#if HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING)
|
|
if (php_mb_encoding_translation(TSRMLS_C)) {
|
|
if(php_mb_gpc_encoding_detector(filename, strlen(filename), NULL TSRMLS_CC) == SUCCESS) {
|
|
str_len = strlen(filename);
|
|
php_mb_gpc_encoding_converter(&filename, &str_len, NULL, NULL TSRMLS_CC);
|
|
}
|
|
s = php_mb_strrchr(filename, '\\' TSRMLS_CC);
|
|
} else {
|
|
s = strrchr(filename, '\\');
|
|
}
|
|
#else
|
|
s = strrchr(filename, '\\');
|
|
#endif
|
|
if (!is_anonymous) {
|
|
if (s && s > filename) {
|
|
safe_php_register_variable(lbuf, s+1, NULL, 0 TSRMLS_CC);
|
|
} else {
|
|
safe_php_register_variable(lbuf, filename, NULL, 0 TSRMLS_CC);
|
|
}
|
|
}
|
|
|
|
/* Add $foo[name] */
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s[name][%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s[name]", param);
|
|
}
|
|
if (s && s > filename) {
|
|
register_http_post_files_variable(lbuf, s+1, http_post_files, 0 TSRMLS_CC);
|
|
} else {
|
|
register_http_post_files_variable(lbuf, filename, http_post_files, 0 TSRMLS_CC);
|
|
}
|
|
efree(filename);
|
|
s = NULL;
|
|
|
|
/* Possible Content-Type: */
|
|
if (cancel_upload || !(cd = php_mime_get_hdr_value(header, "Content-Type"))) {
|
|
cd = "";
|
|
} else {
|
|
/* fix for Opera 6.01 */
|
|
s = strchr(cd, ';');
|
|
if (s != NULL) {
|
|
*s = '\0';
|
|
}
|
|
}
|
|
|
|
/* Add $foo_type */
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s_type[%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s_type", param);
|
|
}
|
|
if (!is_anonymous) {
|
|
safe_php_register_variable(lbuf, cd, NULL, 0 TSRMLS_CC);
|
|
}
|
|
|
|
/* Add $foo[type] */
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s[type][%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s[type]", param);
|
|
}
|
|
register_http_post_files_variable(lbuf, cd, http_post_files, 0 TSRMLS_CC);
|
|
|
|
/* Restore Content-Type Header */
|
|
if (s != NULL) {
|
|
*s = ';';
|
|
}
|
|
s = "";
|
|
|
|
/* Initialize variables */
|
|
add_protected_variable(param TSRMLS_CC);
|
|
|
|
magic_quotes_gpc = PG(magic_quotes_gpc);
|
|
PG(magic_quotes_gpc) = 0;
|
|
/* if param is of form xxx[.*] this will cut it to xxx */
|
|
if (!is_anonymous) {
|
|
safe_php_register_variable(param, temp_filename, NULL, 1 TSRMLS_CC);
|
|
}
|
|
|
|
/* Add $foo[tmp_name] */
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s[tmp_name][%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s[tmp_name]", param);
|
|
}
|
|
add_protected_variable(lbuf TSRMLS_CC);
|
|
register_http_post_files_variable(lbuf, temp_filename, http_post_files, 1 TSRMLS_CC);
|
|
|
|
PG(magic_quotes_gpc) = magic_quotes_gpc;
|
|
|
|
{
|
|
zval file_size, error_type;
|
|
|
|
error_type.value.lval = cancel_upload;
|
|
error_type.type = IS_LONG;
|
|
|
|
/* Add $foo[error] */
|
|
if (cancel_upload) {
|
|
file_size.value.lval = 0;
|
|
file_size.type = IS_LONG;
|
|
} else {
|
|
file_size.value.lval = total_bytes;
|
|
file_size.type = IS_LONG;
|
|
}
|
|
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s[error][%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s[error]", param);
|
|
}
|
|
register_http_post_files_variable_ex(lbuf, &error_type, http_post_files, 0 TSRMLS_CC);
|
|
|
|
/* Add $foo_size */
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s_size[%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s_size", param);
|
|
}
|
|
if (!is_anonymous) {
|
|
safe_php_register_variable_ex(lbuf, &file_size, NULL, 0 TSRMLS_CC);
|
|
}
|
|
|
|
/* Add $foo[size] */
|
|
if (is_arr_upload) {
|
|
sprintf(lbuf, "%s[size][%s]", abuf, array_index);
|
|
} else {
|
|
sprintf(lbuf, "%s[size]", param);
|
|
}
|
|
register_http_post_files_variable_ex(lbuf, &file_size, http_post_files, 0 TSRMLS_CC);
|
|
}
|
|
efree(param);
|
|
}
|
|
}
|
|
|
|
SAFE_RETURN;
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|