Is it possible to overrule this behavior, e.g. for testing?

Am 23.02.2010 16:37, schrieb Andrei Pelinescu-Onciul: >Module: sip-router >Branch: master >Commit: 51ee5da9ebf09447f71d4393f7c5b703305ff46d >URL: >http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=51ee5da9ebf09447f71d4393f7c5b703305ff46d > >Author: Andrei Pelinescu-Onciul&lt;andrei(a)iptel.org&gt; >Committer: Andrei Pelinescu-Onciul&lt;andrei(a)iptel.org&gt; >Date: Tue Feb 23 16:10:21 2010 +0100 > >tls: disable kerberos more thoroughly [fix] > >Older openssl versions (< 0.9.8e release) have a bug in the >kerberos code (it uses the wrong malloc, for more details see >openssl bug # 1467). While there is already a workaround for this >openssl bug in the sr code (see commits 36cb8f& 560a42), in some >situations this workaround causes another bug (crash on connection >opening when openssl is compiled with kerberos support and >kerberos is enabled for key exchange). >The current fix will disable automatically all the ciphers containing >KRB5 if the openssl version is< 0.9.8e beta1 or it is between >0.9.9-dev and 0.9.9-beta1. >It iss equivalent to setting cipher_list to "<prev. value>:!KRB5". > >Impact: this fix is needed only if openssl is compiled with >kerberos support and the version is< 0.9.8e. It also affects at >least CentOS users with openssl-0.9.8e-12.el5_4.1 (in the centos >openssl package they play some strange games with the version and >report 0.9.8b via SSLeay). > >Tested-by: Klaus Darilion klaus.mailinglists at pernau.at >Reported-by: Klaus Darilion klaus.mailinglists at pernau.at >Reported-by: Andreas Rehbein rehbein at e-technik.org >Reported-by: Martin Koenig koenig starface.de > >--- > > modules/tls/tls_domain.c | 35 +++++++++++++++++++++++++++++++---- > 1 files changed, 31 insertions(+), 4 deletions(-) > >diff --git a/modules/tls/tls_domain.c b/modules/tls/tls_domain.c >index b0d5d3c..c4f25e8 100644 >--- a/modules/tls/tls_domain.c >+++ b/modules/tls/tls_domain.c >@@ -271,6 +271,10 @@ static int load_ca_list(tls_domain_t* d) > return 0; > } > >+#define C_DEF_NO_KRB5 "DEFAULT:!KRB5" >+#define C_DEF_NO_KRB5_LEN (sizeof(C_DEF_NO_KRB5)-1) >+#define C_NO_KRB5_SUFFIX ":!KRB5" >+#define C_NO_KRB5_SUFFIX_LEN (sizeof(C_NO_KRB5_SUFFIX)-1) > > /* > * Configure cipher list >@@ -279,12 +283,35 @@ static int set_cipher_list(tls_domain_t* d) > { > int i; > int procs_no; >- >- if (!d->cipher_list.s) return 0; >+ char* cipher_list; >+ >+ cipher_list=d->cipher_list.s; >+#ifdef TLS_KSSL_WORKARROUND >+ if (openssl_kssl_malloc_bug) { /* is openssl bug #1467 present ? */ >+ if (d->cipher_list.s==0) { >+ /* use "DEFAULT:!KRB5" */ >+ cipher_list="DEFAULT:!KRB5"; >+ } else { >+ /* append ":!KRB5" */ >+ >cipher_list=shm_malloc(d->cipher_list.len+C_NO_KRB5_SUFFIX_LEN+1); >+ if (cipher_list) { >+ memcpy(cipher_list, d->cipher_list.s, >d->cipher_list.len); >+ memcpy(cipher_list+d->cipher_list.len, >C_NO_KRB5_SUFFIX, >+ C_NO_KRB5_SUFFIX_LEN); >+ >cipher_list[d->cipher_list.len+C_NO_KRB5_SUFFIX_LEN]=0; >+ shm_free(d->cipher_list.s); >+ d->cipher_list.s=cipher_list; >+ d->cipher_list.len+=C_NO_KRB5_SUFFIX_LEN; >+ } >+ } >+ } >+#endif /* TLS_KSSL_WORKARROUND */ >+ if (!cipher_list) return 0; > procs_no=get_max_procs(); > for(i = 0; i< procs_no; i++) { >- if (SSL_CTX_set_cipher_list(d->ctx[i], d->cipher_list.s) == >0 ) { >- ERR("%s: Failure to set SSL context cipher list\n", >tls_domain_str(d)); >+ if (SSL_CTX_set_cipher_list(d->ctx[i], cipher_list) == 0 ) { >+ ERR("%s: Failure to set SSL context cipher list >\"%s\"\n", >+ tls_domain_str(d), cipher_list); > return -1; > } > } > > >_______________________________________________ >sr-dev mailing list &gt;sr-dev(a)lists.sip-router.org >http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev