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php-src/ext/mbstring/mb_gpc.c
Peter Kokot 1c850bfcca Sync leading and final newlines in source code files 
This patch adds missing newlines, trims multiple redundant final
newlines into a single one, and trims redundant leading newlines.

According to POSIX, a line is a sequence of zero or more non-' <newline>'
characters plus a terminating '<newline>' character. [1] Files should
normally have at least one final newline character.

C89 [2] and later standards [3] mention a final newline:
"A source file that is not empty shall end in a new-line character,
which shall not be immediately preceded by a backslash character."

Although it is not mandatory for all files to have a final newline
fixed, a more consistent and homogeneous approach brings less of commit
differences issues and a better development experience in certain text
editors and IDEs.

[1] http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206
[2] https://port70.net/~nsz/c/c89/c89-draft.html#2.1.1.2
[3] https://port70.net/~nsz/c/c99/n1256.html#5.1.1.2
2018-10-14 12:55:24 +02:00

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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2018 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: |
| http://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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Rui Hirokawa <hirokawa@php.net> |
| Moriyoshi Koizumi <moriyoshi@php.net> |
+----------------------------------------------------------------------+
*/
/* {{{ includes */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "php_variables.h"
#include "libmbfl/mbfl/mbfilter_pass.h"
#include "mbstring.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_mail.h"
#include "ext/standard/url.h"
#include "main/php_output.h"
#include "ext/standard/info.h"
#include "php_variables.h"
#include "php_globals.h"
#include "rfc1867.h"
#include "php_content_types.h"
#include "SAPI.h"
#include "TSRM.h"
#include "mb_gpc.h"
/* }}} */
#if HAVE_MBSTRING
ZEND_EXTERN_MODULE_GLOBALS(mbstring)
/* {{{ MBSTRING_API SAPI_TREAT_DATA_FUNC(mbstr_treat_data)
* http input processing */
MBSTRING_API SAPI_TREAT_DATA_FUNC(mbstr_treat_data)
{
char *res = NULL, *separator=NULL;
const char *c_var;
zval v_array;
int free_buffer=0;
const mbfl_encoding *detected;
php_mb_encoding_handler_info_t info;
if (arg != PARSE_STRING) {
char *value = MBSTRG(internal_encoding_name);
_php_mb_ini_mbstring_internal_encoding_set(value, value ? strlen(value): 0);
}
if (!MBSTRG(encoding_translation)) {
php_default_treat_data(arg, str, destArray);
return;
}
switch (arg) {
case PARSE_POST:
case PARSE_GET:
case PARSE_COOKIE:
array_init(&v_array);
switch (arg) {
case PARSE_POST:
ZVAL_COPY_VALUE(&PG(http_globals)[TRACK_VARS_POST], &v_array);
break;
case PARSE_GET:
ZVAL_COPY_VALUE(&PG(http_globals)[TRACK_VARS_GET], &v_array);
break;
case PARSE_COOKIE:
ZVAL_COPY_VALUE(&PG(http_globals)[TRACK_VARS_COOKIE], &v_array);
break;
}
break;
default:
ZVAL_COPY_VALUE(&v_array, destArray);
break;
}
if (arg == PARSE_POST) {
sapi_handle_post(&v_array);
return;
}
if (arg == PARSE_GET) { /* GET data */
c_var = SG(request_info).query_string;
if (c_var && *c_var) {
res = (char *) estrdup(c_var);
free_buffer = 1;
} else {
free_buffer = 0;
}
} else if (arg == PARSE_COOKIE) { /* Cookie data */
c_var = SG(request_info).cookie_data;
if (c_var && *c_var) {
res = (char *) estrdup(c_var);
free_buffer = 1;
} else {
free_buffer = 0;
}
} else if (arg == PARSE_STRING) { /* String data */
res = str;
free_buffer = 1;
}
if (!res) {
return;
}
switch (arg) {
case PARSE_POST:
case PARSE_GET:
case PARSE_STRING:
separator = (char *) estrdup(PG(arg_separator).input);
break;
case PARSE_COOKIE:
separator = ";\0";
break;
}
switch (arg) {
case PARSE_POST:
MBSTRG(http_input_identify_post) = NULL;
break;
case PARSE_GET:
MBSTRG(http_input_identify_get) = NULL;
break;
case PARSE_COOKIE:
MBSTRG(http_input_identify_cookie) = NULL;
break;
case PARSE_STRING:
MBSTRG(http_input_identify_string) = NULL;
break;
}
info.data_type = arg;
info.separator = separator;
info.report_errors = 0;
info.to_encoding = MBSTRG(internal_encoding);
info.to_language = MBSTRG(language);
info.from_encodings = MBSTRG(http_input_list);
info.num_from_encodings = MBSTRG(http_input_list_size);
info.from_language = MBSTRG(language);
MBSTRG(illegalchars) = 0;
detected = _php_mb_encoding_handler_ex(&info, &v_array, res);
MBSTRG(http_input_identify) = detected;
if (detected) {
switch(arg){
case PARSE_POST:
MBSTRG(http_input_identify_post) = detected;
break;
case PARSE_GET:
MBSTRG(http_input_identify_get) = detected;
break;
case PARSE_COOKIE:
MBSTRG(http_input_identify_cookie) = detected;
break;
case PARSE_STRING:
MBSTRG(http_input_identify_string) = detected;
break;
}
}
if (arg != PARSE_COOKIE) {
efree(separator);
}
if (free_buffer) {
efree(res);
}
}
/* }}} */
/* {{{ mbfl_no_encoding _php_mb_encoding_handler_ex() */
const mbfl_encoding *_php_mb_encoding_handler_ex(const php_mb_encoding_handler_info_t *info, zval *arg, char *res)
{
char *var, *val;
const char *s1, *s2;
char *strtok_buf = NULL, **val_list = NULL;
zval *array_ptr = (zval *) arg;
size_t n, num, *len_list = NULL;
size_t val_len, new_val_len;
mbfl_string string, resvar, resval;
const mbfl_encoding *from_encoding = NULL;
mbfl_encoding_detector *identd = NULL;
mbfl_buffer_converter *convd = NULL;
mbfl_string_init_set(&string, info->to_language, info->to_encoding);
mbfl_string_init_set(&resvar, info->to_language, info->to_encoding);
mbfl_string_init_set(&resval, info->to_language, info->to_encoding);
if (!res || *res == '\0') {
goto out;
}
/* count the variables(separators) contained in the "res".
* separator may contain multiple separator chars.
*/
num = 1;
for (s1=res; *s1 != '\0'; s1++) {
for (s2=info->separator; *s2 != '\0'; s2++) {
if (*s1 == *s2) {
num++;
}
}
}
num *= 2; /* need space for variable name and value */
val_list = (char **)ecalloc(num, sizeof(char *));
len_list = (size_t *)ecalloc(num, sizeof(size_t));
/* split and decode the query */
n = 0;
strtok_buf = NULL;
var = php_strtok_r(res, info->separator, &strtok_buf);
while (var) {
val = strchr(var, '=');
if (val) { /* have a value */
len_list[n] = php_url_decode(var, val-var);
val_list[n] = var;
n++;
*val++ = '\0';
val_list[n] = val;
len_list[n] = php_url_decode(val, strlen(val));
} else {
len_list[n] = php_url_decode(var, strlen(var));
val_list[n] = var;
n++;
val_list[n] = "";
len_list[n] = 0;
}
n++;
var = php_strtok_r(NULL, info->separator, &strtok_buf);
}
if (ZEND_SIZE_T_GT_ZEND_LONG(n, (PG(max_input_vars) * 2))) {
php_error_docref(NULL, E_WARNING, "Input variables exceeded " ZEND_LONG_FMT ". To increase the limit change max_input_vars in php.ini.", PG(max_input_vars));
goto out;
}
num = n; /* make sure to process initialized vars only */
/* initialize converter */
if (info->num_from_encodings == 0) {
from_encoding = &mbfl_encoding_pass;
} else if (info->num_from_encodings == 1) {
from_encoding = info->from_encodings[0];
} else {
/* auto detect */
from_encoding = NULL;
identd = mbfl_encoding_detector_new(info->from_encodings, info->num_from_encodings, MBSTRG(strict_detection));
if (identd != NULL) {
n = 0;
while (n < num) {
string.val = (unsigned char *)val_list[n];
string.len = len_list[n];
if (mbfl_encoding_detector_feed(identd, &string)) {
break;
}
n++;
}
from_encoding = mbfl_encoding_detector_judge(identd);
mbfl_encoding_detector_delete(identd);
}
if (!from_encoding) {
if (info->report_errors) {
php_error_docref(NULL, E_WARNING, "Unable to detect encoding");
}
from_encoding = &mbfl_encoding_pass;
}
}
convd = NULL;
if (from_encoding != &mbfl_encoding_pass) {
convd = mbfl_buffer_converter_new(from_encoding, info->to_encoding, 0);
if (convd != NULL) {
mbfl_buffer_converter_illegal_mode(convd, MBSTRG(current_filter_illegal_mode));
mbfl_buffer_converter_illegal_substchar(convd, MBSTRG(current_filter_illegal_substchar));
} else {
if (info->report_errors) {
php_error_docref(NULL, E_WARNING, "Unable to create converter");
}
goto out;
}
}
/* convert encoding */
string.encoding = from_encoding;
n = 0;
while (n < num) {
string.val = (unsigned char *)val_list[n];
string.len = len_list[n];
if (convd != NULL && mbfl_buffer_converter_feed_result(convd, &string, &resvar) != NULL) {
var = (char *)resvar.val;
} else {
var = val_list[n];
}
n++;
string.val = (unsigned char *)val_list[n];
string.len = len_list[n];
if (convd != NULL && mbfl_buffer_converter_feed_result(convd, &string, &resval) != NULL) {
val = (char *)resval.val;
val_len = resval.len;
} else {
val = val_list[n];
val_len = len_list[n];
}
n++;
/* we need val to be emalloc()ed */
val = estrndup(val, val_len);
if (sapi_module.input_filter(info->data_type, var, &val, val_len, &new_val_len)) {
/* add variable to symbol table */
php_register_variable_safe(var, val, new_val_len, array_ptr);
}
efree(val);
if (convd != NULL){
mbfl_string_clear(&resvar);
mbfl_string_clear(&resval);
}
}
out:
if (convd != NULL) {
MBSTRG(illegalchars) += mbfl_buffer_illegalchars(convd);
mbfl_buffer_converter_delete(convd);
}
if (val_list != NULL) {
efree((void *)val_list);
}
if (len_list != NULL) {
efree((void *)len_list);
}
return from_encoding;
}
/* }}} */
/* {{{ SAPI_POST_HANDLER_FUNC(php_mb_post_handler) */
SAPI_POST_HANDLER_FUNC(php_mb_post_handler)
{
const mbfl_encoding *detected;
php_mb_encoding_handler_info_t info;
zend_string *post_data_str = NULL;
MBSTRG(http_input_identify_post) = NULL;
info.data_type = PARSE_POST;
info.separator = "&";
info.report_errors = 0;
info.to_encoding = MBSTRG(internal_encoding);
info.to_language = MBSTRG(language);
info.from_encodings = MBSTRG(http_input_list);
info.num_from_encodings = MBSTRG(http_input_list_size);
info.from_language = MBSTRG(language);
php_stream_rewind(SG(request_info).request_body);
post_data_str = php_stream_copy_to_mem(SG(request_info).request_body, PHP_STREAM_COPY_ALL, 0);
detected = _php_mb_encoding_handler_ex(&info, arg, post_data_str ? ZSTR_VAL(post_data_str) : NULL);
if (post_data_str) {
zend_string_release_ex(post_data_str, 0);
}
MBSTRG(http_input_identify) = detected;
if (detected) {
MBSTRG(http_input_identify_post) = detected;
}
}
/* }}} */
#endif /* HAVE_MBSTRING */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: fdm=marker
* vim: noet sw=4 ts=4
*/
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