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Request #76238 Warning when compiling with latest OpenSSL and XML libraries
Submitted: 2018-04-18 17:05 UTC Modified: 2018-04-19 16:15 UTC
Votes:2
Avg. Score:4.5 ± 0.5
Reproduced:2 of 2 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: dev dot dertin at gmail dot com Assigned:
Status: Verified Package: Compile Warning
PHP Version: 7.2.4 OS: Debian 9
Private report: No CVE-ID: None
Have you experienced this issue?
Rate the importance of this bug to you:

 [2018-04-18 17:05 UTC] dev dot dertin at gmail dot com
Description:
------------
PHP 7.2.4
- OpenSSL 1.1.0h
- LibXML2 2.9.8
- Libxslt 1.1.33-rc1

I wonder if you can avoid these warning by creating a patch. Those related to OpenSSL don't worry me so much, but the XML library I don't know which impact it has, and if this can cause a problem.

Test script:
---------------
https://travis-ci.org/dertin/lemp-stack-debian

Actual result:
--------------
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c: In function 'php_openssl_select_crypto_method':
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:963:3: warning: 'TLSv1_client_method' is deprecated [-Wdeprecated-declarations]
   return is_client ? TLSv1_client_method() : TLSv1_server_method();
   ^~~~~~
In file included from /usr/local/include/openssl/ct.h:13:0,
                 from /usr/local/include/openssl/ssl.h:61,
                 from /var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:34:
/usr/local/include/openssl/ssl.h:1629:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void)) /* TLSv1.0 */
 ^
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:963:3: warning: 'TLSv1_server_method' is deprecated [-Wdeprecated-declarations]
   return is_client ? TLSv1_client_method() : TLSv1_server_method();
   ^~~~~~
In file included from /usr/local/include/openssl/ct.h:13:0,
                 from /usr/local/include/openssl/ssl.h:61,
                 from /var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:34:
/usr/local/include/openssl/ssl.h:1628:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void)) /* TLSv1.0 */
 36m^
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:966:3: warning: 'TLSv1_1_client_method' is deprecated [-Wdeprecated-declarations]
   return is_client ? TLSv1_1_client_method() : TLSv1_1_server_method();
   ^~~~~~
In file included from /usr/local/include/openssl/ct.h:13:0,
                 from /usr/local/include/openssl/ssl.h:61,
                 from /var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:34:
/usr/local/include/openssl/ssl.h:1635:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void)) /* TLSv1.1 */
 ^
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:966:3: warning: 'TLSv1_1_server_method' is deprecated [-Wdeprecated-declarations]
   return is_client ? TLSv1_1_client_method() : TLSv1_1_server_method();
   ^~~~~~
In file included from /usr/local/include/openssl/ct.h:13:0,
                 from /usr/local/include/openssl/ssl.h:61,
                 from /var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:34:
/usr/local/include/openssl/ssl.h:1634:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void)) /* TLSv1.1 */
 ^
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:974:3: Kwarning: 'TLSv1_2_client_method' is deprecated [-Wdeprecated-declarations]
   return is_client ? TLSv1_2_client_method() : TLSv1_2_server_method();
   ^~~~~~
In file included from /usr/local/include/openssl/ct.h:13:0,
                 from /usr/local/include/openssl/ssl.h:61,
                 from /var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:34:
/usr/local/include/openssl/ssl.h:1641:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void)) /* TLSv1.2 */
 ^
/var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:974:3: warning: 'TLSv1_2_server_method' is deprecated [-Wdeprecated-declarations]
   return is_client ? TLSv1_2_client_method() : TLSv1_2_server_method();
   ^~~~~~
In file included from /usr/local/include/openssl/ct.h:13:0,
                 from /usr/local/include/openssl/ssl.h:61,
                 from /var/tmp/php_build/php_src/ext/openssl/xp_ssl.c:34:
/usr/local/include/openssl/ssl.h:1640:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void)) /* TLSv1.2 */
 ^
/var/tmp/php_build/php_src/ext/dom/dom_iterators.c: In function 'php_dom_libxml_hash_iter':
/var/tmp/php_build/php_src/ext/dom/dom_iterators.c:94:19: warning: passing argument 2 of 'xmlHashScan' from incompatible pointer type [-Wincompatible-pointer-types]
   xmlHashScan(ht, itemHashScanner, iter);
                   ^~~~~~~~~~~~~~~
In file included from /usr/local/include/libxml2/libxml/parser.h:18:0,
                 from /var/tmp/php_build/php_src/ext/dom/php_dom.h:33,
                 from /var/tmp/php_build/php_src/ext/dom/dom_iterators.c:28:
/usr/local/include/libxml2/libxml/hash.h:212:4: note: expected 'xmlHashScanner {aka void (*)(void *, void *, const unsigned char *)}' but argument is of type 'void (*)(void *, void *, xmlChar *) {aka void (*)(void *, void *, unsigned char *)}'
    xmlHashScan (xmlHashTablePtr table,
    ^~~~~~~~~~~
/var/tmp/php_build/php_src/ext/dom/dom_iterators.c: In function 'php_dom_libxml_notation_iter':
/var/tmp/php_build/php_src/ext/dom/dom_iterators.c:115:19: warning: passing argument 2 of 'xmlHashScan' from incompatible pointer type [-Wincompatible-pointer-types]
   xmlHashScan(ht, itemHashScanner, iter);
                   ^~~~~~~~~~~~~~~
In file included from /usr/local/include/libxml2/libxml/parser.h:18:0,
                 from /var/tmp/php_build/php_src/ext/dom/php_dom.h:33,
                 from /var/tmp/php_build/php_src/ext/dom/dom_iterators.c:28:
/usr/local/include/libxml2/libxml/hash.h:212:4: note: expected 'xmlHashScanner {aka void (*)(void *, void *, const unsigned char *)}' but argument is of type 'void (*)(void *, void *, xmlChar *) {aka void (*)(void *, void *, unsigned char *)}'
    xmlHashScan (xmlHashTablePtr table,
    ^~~~~~~~~~~
/var/tmp/php_build/php_src/ext/intl/idn/idn.c: In function 'php_intl_idn_to':
/var/tmp/php_build/php_src/ext/intl/idn/idn.c:227:4: warning: 'uidna_IDNToASCII_57' is deprecated [-Wdeprecated-declarations]
    converted_ret_len = uidna_IDNToASCII(ustring, ustring_len, converted, MAXPATHLEN, (int32_t)option, &parse_error, &status);
    ^~~~~~~~~~~~~~~~~
In file included from /usr/include/unicode/platform.h:23:0,
                 from /usr/include/unicode/ptypes.h:50,
                 from /usr/include/unicode/umachine.h:44,
                 from /usr/include/unicode/utypes.h:36,
                 from /usr/include/unicode/uidna.h:20,
                 from /var/tmp/php_build/php_src/ext/intl/idn/idn.c:28:
/usr/include/unicode/uidna.h:673:1: note: declared here
 uidna_IDNToASCII(  const UChar* src, int32_t srcLength,
 ^
/var/tmp/php_build/php_src/ext/intl/idn/idn.c:229:4: warning: 'uidna_IDNToUnicode_57' is deprecated [-Wdeprecated-declarations]
    converted_ret_len = uidna_IDNToUnicode(ustring, ustring_len, converted, MAXPATHLEN, (int32_t)option, &parse_error, &status);
    ^~~~~~~~~~~~~~~~~
In file included from /usr/include/unicode/platform.h:23:0,
                 from /usr/include/unicode/umachine.h:44,
                 from /usr/include/unicode/utypes.h:36,
                 from /usr/include/unicode/uidna.h:20,
                 from /var/tmp/php_build/php_src/ext/intl/idn/idn.c:28:
/usr/include/unicode/uidna.h:720:1: note: declared here
 uidna_IDNToUnicode(  const UChar* src, int32_t srcLength,
 ^
/var/tmp/php_build/php_src/ext/session/mod_files.c: In function 'ps_files_cleanup_dir':
/var/tmp/php_build/php_src/ext/session/mod_files.c:315:2: warning: 'readdir_r' is deprecated [-Wdeprecated-declarations]
  while (php_readdir_r(dir, (struct dirent *) dentry, &entry) == 0 && entry) {
  ^~~~~
In file included from /var/tmp/php_build/php_src/Zend/zend_virtual_cwd.h:78:0,
                 from /var/tmp/php_build/php_src/main/php.h:470,
                 from /var/tmp/php_build/php_src/ext/session/mod_files.c:55:
/usr/include/dirent.h:183:12: note: declared here
 extern int readdir_r (DIR *__restrict __dirp,
            ^~~~~~~~~
/var/tmp/php_build/php_src/main/streams/plain_wrapper.c: In function 'php_plain_files_dirstream_read':
/var/tmp/php_build/php_src/main/streams/plain_wrapper.c:908:2: warning: 'readdir_r' is deprecated [-Wdeprecated-declarations]
  if (php_readdir_r(dir, (struct dirent *)entry, &result) == 0 && result) {
  ^~
In file included from /var/tmp/php_build/php_src/Zend/zend_virtual_cwd.h:78:0,
                 from /var/tmp/php_build/php_src/main/php.h:470,
                 from /var/tmp/php_build/php_src/main/streams/plain_wrapper.c:21:
/usr/include/dirent.h:183:12: note: declared here
 extern int readdir_r (DIR *__restrict __dirp,
            ^~~~~~~~~

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 [2018-04-18 22:14 UTC] cmb@php.net
-Status: Open +Status: Verified
 [2018-04-18 22:14 UTC] cmb@php.net
Thanks for reporting this issue!  Unless I've overlooked
something, there are acutally four issues:

  (1) TLSv(1|)_(client|server)_method are deprecated
  (2) passing argument 2 of 'xmlHashScan' from incompatible pointer type
  (3) uidna_IDNTo(ASCII|Unicode) are deprecated
  (4) readdir_r is deprecated

(2) does not appear to be a problem, since itemHashScanner[1] does
not even use the name parameter, so declaring that as `const
xmlChar *name` should cure the compiler warning.  (It seems that
the documentation of xmlHashScanner [2] does not fit the
implementation; a distro issue?)

(3) can easily be resolved when INTL_IDNA_VARIANT_2003 will be
removed[3].  Until then there may not be the need to take any
action from our side.

[1] <https://github.com/php/php-src/blob/PHP-7.2.5/ext/dom/dom_iterators.c#L45>
[2] <http://xmlsoft.org/html/libxml-hash.html#xmlHashScanner>
[3] <https://wiki.php.net/rfc/deprecate-and-remove-intl_idna_variant_2003>
 [2018-04-19 16:15 UTC] cmb@php.net
> It seems that the documentation of xmlHashScanner does not fit
> the implementation; a distro issue?

FTR: the prototype has been changed as of libxml 2.9.8[1].

[1] <https://github.com/GNOME/libxml2/commit/e03f0a199a67017b2f8052354cf732b2b4cae787#diff-7eff597457d578c6e602a3b6dc3d2f03R88>
 [2018-05-02 12:46 UTC] r1d3r at abv dot bg
on ubuntu 18.04 curl which has certificate stopped working for me. I am hoping that those openssl warnings are going to be resolved and curl_setopt($ch, CURLOPT_SSLCERT, $pemfile);  will start working again
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