diff options
Diffstat (limited to 'php-bug77423.patch')
| -rw-r--r-- | php-bug77423.patch | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/php-bug77423.patch b/php-bug77423.patch new file mode 100644 index 0000000..ced3680 --- /dev/null +++ b/php-bug77423.patch @@ -0,0 +1,196 @@ +From 2d3d72412a6734e19a38ed10f385227a6238e4a6 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Wed, 13 May 2020 09:36:52 +0200 +Subject: [PATCH] Fix #77423: parse_url() will deliver a wrong host to user + +To avoid that `parse_url()` returns an erroneous host, which would be +valid for `FILTER_VALIDATE_URL`, we make sure that only userinfo which +is valid according to RFC 3986 is treated as such. + +For consistency with the existing url parsing code, we use ctype +functions, although that is not necessarily correct. +--- + ext/standard/tests/strings/url_t.phpt | 6 ++-- + ext/standard/tests/url/bug77423.phpt | 30 +++++++++++++++++++ + .../tests/url/parse_url_basic_001.phpt | 6 ++-- + .../tests/url/parse_url_basic_003.phpt | 2 +- + .../tests/url/parse_url_basic_005.phpt | 2 +- + .../tests/url/parse_url_unterminated.phpt | 6 ++-- + ext/standard/url.c | 21 +++++++++++++ + 7 files changed, 59 insertions(+), 14 deletions(-) + create mode 100644 ext/standard/tests/url/bug77423.phpt + +diff --git a/ext/standard/tests/strings/url_t.phpt b/ext/standard/tests/strings/url_t.phpt +index 79ff3bc4a8e3..f564f59f0632 100644 +--- a/ext/standard/tests/strings/url_t.phpt ++++ b/ext/standard/tests/strings/url_t.phpt +@@ -575,15 +575,13 @@ $sample_urls = array ( + string(16) "some_page_ref123" + } + +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) { ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(6) { + ["scheme"]=> + string(4) "http" + ["host"]=> +- string(11) "www.php.net" ++ string(26) "secret@hideout@www.php.net" + ["port"]=> + int(80) +- ["user"]=> +- string(14) "secret@hideout" + ["path"]=> + string(10) "/index.php" + ["query"]=> +diff --git a/ext/standard/tests/url/bug77423.phpt b/ext/standard/tests/url/bug77423.phpt +new file mode 100644 +index 000000000000..be03fe95e24e +--- /dev/null ++++ b/ext/standard/tests/url/bug77423.phpt +@@ -0,0 +1,30 @@ ++--TEST-- ++Bug #77423 (parse_url() will deliver a wrong host to user) ++--FILE-- ++<?php ++$urls = array( ++ "http://php.net\@aliyun.com/aaa.do", ++ "https://example.com\uFF03@bing.com", ++); ++foreach ($urls as $url) { ++ var_dump(filter_var($url, FILTER_VALIDATE_URL)); ++ var_dump(parse_url($url)); ++} ++?> ++--EXPECT-- ++bool(false) ++array(3) { ++ ["scheme"]=> ++ string(4) "http" ++ ["host"]=> ++ string(19) "php.net\@aliyun.com" ++ ["path"]=> ++ string(7) "/aaa.do" ++} ++bool(false) ++array(2) { ++ ["scheme"]=> ++ string(5) "https" ++ ["host"]=> ++ string(26) "example.com\uFF03@bing.com" ++} +diff --git a/ext/standard/tests/url/parse_url_basic_001.phpt b/ext/standard/tests/url/parse_url_basic_001.phpt +index 4606849c5781..51010991326c 100644 +--- a/ext/standard/tests/url/parse_url_basic_001.phpt ++++ b/ext/standard/tests/url/parse_url_basic_001.phpt +@@ -506,15 +506,13 @@ echo "Done"; + string(16) "some_page_ref123" + } + +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) { ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(6) { + ["scheme"]=> + string(4) "http" + ["host"]=> +- string(11) "www.php.net" ++ string(26) "secret@hideout@www.php.net" + ["port"]=> + int(80) +- ["user"]=> +- string(14) "secret@hideout" + ["path"]=> + string(10) "/index.php" + ["query"]=> +diff --git a/ext/standard/tests/url/parse_url_basic_003.phpt b/ext/standard/tests/url/parse_url_basic_003.phpt +index 3d5a4a344afd..7968fd3f09fd 100644 +--- a/ext/standard/tests/url/parse_url_basic_003.phpt ++++ b/ext/standard/tests/url/parse_url_basic_003.phpt +@@ -68,7 +68,7 @@ echo "Done"; + --> http://secret:@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" + --> http://:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" + --> http://secret:hideout@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(26) "secret@hideout@www.php.net" + --> http://secret:hid:out@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(11) "www.php.net" + --> nntp://news.php.net : string(12) "news.php.net" + --> ftp://ftp.gnu.org/gnu/glic/glibc.tar.gz : string(11) "ftp.gnu.org" +diff --git a/ext/standard/tests/url/parse_url_basic_005.phpt b/ext/standard/tests/url/parse_url_basic_005.phpt +index aefb33964bc4..ba778bf9035d 100644 +--- a/ext/standard/tests/url/parse_url_basic_005.phpt ++++ b/ext/standard/tests/url/parse_url_basic_005.phpt +@@ -68,7 +68,7 @@ echo "Done"; + --> http://secret:@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(6) "secret" + --> http://:hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(0) "" + --> http://secret:hideout@www.php.net/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(6) "secret" +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(14) "secret@hideout" ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : NULL + --> http://secret:hid:out@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123 : string(6) "secret" + --> nntp://news.php.net : NULL + --> ftp://ftp.gnu.org/gnu/glic/glibc.tar.gz : NULL +diff --git a/ext/standard/tests/url/parse_url_unterminated.phpt b/ext/standard/tests/url/parse_url_unterminated.phpt +index 912b6a5641e8..875d93a10948 100644 +--- a/ext/standard/tests/url/parse_url_unterminated.phpt ++++ b/ext/standard/tests/url/parse_url_unterminated.phpt +@@ -508,15 +508,13 @@ echo "Done"; + string(16) "some_page_ref123" + } + +---> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(7) { ++--> http://secret@hideout@www.php.net:80/index.php?test=1&test2=char&test3=mixesCI#some_page_ref123: array(6) { + ["scheme"]=> + string(4) "http" + ["host"]=> +- string(11) "www.php.net" ++ string(26) "secret@hideout@www.php.net" + ["port"]=> + int(80) +- ["user"]=> +- string(14) "secret@hideout" + ["path"]=> + string(10) "/index.php" + ["query"]=> +diff --git a/ext/standard/url.c b/ext/standard/url.c +index 1dd073e2bb42..8d155bb9846c 100644 +--- a/ext/standard/url.c ++++ b/ext/standard/url.c +@@ -92,6 +92,22 @@ PHPAPI php_url *php_url_parse(char const *str) + return php_url_parse_ex(str, strlen(str)); + } + ++static int is_userinfo_valid(const char *str, size_t len) ++{ ++ char *valid = "-._~!$&'()*+,;=:"; ++ char *p = str; ++ while (p - str < len) { ++ if (isalpha(*p) || isdigit(*p) || strchr(valid, *p)) { ++ p++; ++ } else if (*p == '%' && p - str <= len - 3 && isdigit(*(p+1)) && isxdigit(*(p+2))) { ++ p += 3; ++ } else { ++ return 0; ++ } ++ } ++ return 1; ++} ++ + /* {{{ php_url_parse + */ + PHPAPI php_url *php_url_parse_ex(char const *str, size_t length) +@@ -235,13 +251,18 @@ PHPAPI php_url *php_url_parse_ex(char const *str, size_t length) + ret->pass = estrndup(pp, (p-pp)); + php_replace_controlchars_ex(ret->pass, (p-pp)); + } else { ++ if (!is_userinfo_valid(s, p-s)) { ++ goto check_port; ++ } + ret->user = estrndup(s, (p-s)); + php_replace_controlchars_ex(ret->user, (p-s)); ++ + } + + s = p + 1; + } + ++check_port: + /* check for port */ + if (s < ue && *s == '[' && *(e-1) == ']') { + /* Short circuit portscan, |