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SUSE:SLE-12-SP2:GA
compat-openssl098.27677
openssl-1.0.1i-alt-chains.patch
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File openssl-1.0.1i-alt-chains.patch of Package compat-openssl098.27677
Index: openssl-0.9.8j/apps/apps.c =================================================================== --- openssl-0.9.8j.orig/apps/apps.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/apps.c 2017-11-06 15:14:21.528783173 +0100 @@ -2261,6 +2261,8 @@ int args_verify(char ***pargs, int *parg flags |= X509_V_FLAG_X509_STRICT; else if (!strcmp(arg, "-policy_print")) flags |= X509_V_FLAG_NOTIFY_POLICY; + else if (!strcmp(arg, "-no_alt_chains")) + flags |= X509_V_FLAG_NO_ALT_CHAINS; else if (!strcmp(arg, "-trusted_first")) flags |= X509_V_FLAG_TRUSTED_FIRST; else Index: openssl-0.9.8j/apps/cms.c =================================================================== --- openssl-0.9.8j.orig/apps/cms.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/cms.c 2017-11-06 15:14:21.528783173 +0100 @@ -627,6 +627,7 @@ int MAIN(int argc, char **argv) BIO_printf (bio_err, "-text include or delete text MIME headers\n"); BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); + BIO_printf (bio_err, "-no_alt_chains only ever use the first certificate chain found\n"); BIO_printf (bio_err, "-trusted_first use trusted certificates first when building the trust chain\n"); BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); Index: openssl-0.9.8j/apps/ocsp.c =================================================================== --- openssl-0.9.8j.orig/apps/ocsp.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/ocsp.c 2017-11-06 15:14:21.528783173 +0100 @@ -549,6 +549,7 @@ int MAIN(int argc, char **argv) BIO_printf (bio_err, "-path path to use in OCSP request\n"); BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); + BIO_printf (bio_err, "-no_alt_chains only ever use the first certificate chain found\n"); BIO_printf (bio_err, "-trusted_first use trusted certificates first when building the trust chain\n"); BIO_printf (bio_err, "-VAfile file validator certificates file\n"); BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n"); Index: openssl-0.9.8j/apps/s_client.c =================================================================== --- openssl-0.9.8j.orig/apps/s_client.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/s_client.c 2017-11-06 15:14:21.528783173 +0100 @@ -205,6 +205,7 @@ static void sc_usage(void) BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); + BIO_printf(bio_err," -no_alt_chains - only ever use the first certificate chain found\n"); BIO_printf(bio_err," -trusted_first - Use trusted CA's first when building the trust chain\n"); BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); Index: openssl-0.9.8j/apps/smime.c =================================================================== --- openssl-0.9.8j.orig/apps/smime.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/smime.c 2017-11-06 15:14:21.528783173 +0100 @@ -466,6 +466,7 @@ int MAIN(int argc, char **argv) BIO_printf (bio_err, "-text include or delete text MIME headers\n"); BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); + BIO_printf (bio_err, "-no_alt_chains only ever use the first certificate chain found\n"); BIO_printf (bio_err, "-trusted_first use trusted certificates first when building the trust chain\n"); BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); Index: openssl-0.9.8j/apps/s_server.c =================================================================== --- openssl-0.9.8j.orig/apps/s_server.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/s_server.c 2017-11-06 15:14:21.528783173 +0100 @@ -383,6 +383,7 @@ static void sv_usage(void) BIO_printf(bio_err," -state - Print the SSL states\n"); BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); + BIO_printf(bio_err," -no_alt_chains - only ever use the first certificate chain found\n"); BIO_printf(bio_err," -trusted_first - Use trusted CA's first when building the trust chain\n"); BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n"); BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n"); Index: openssl-0.9.8j/apps/verify.c =================================================================== --- openssl-0.9.8j.orig/apps/verify.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/apps/verify.c 2017-11-06 15:14:21.528783173 +0100 @@ -216,6 +216,7 @@ int MAIN(int argc, char **argv) end: if (ret == 1) { BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check]"); + BIO_printf(bio_err," [-no_alt_chains]"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err," [-engine e]"); #endif Index: openssl-0.9.8j/crypto/x509/x509_vfy.c =================================================================== --- openssl-0.9.8j.orig/crypto/x509/x509_vfy.c 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/crypto/x509/x509_vfy.c 2017-11-06 15:14:31.372945803 +0100 @@ -96,12 +96,12 @@ static int x509_subject_cmp(X509 **a, X5 int X509_verify_cert(X509_STORE_CTX *ctx) { - X509 *x,*xtmp,*chain_ss=NULL; + X509 *x,*xtmp,*xtmp2,*chain_ss=NULL; X509_NAME *xn; int bad_chain = 0; X509_VERIFY_PARAM *param = ctx->param; int depth,i,ok=0; - int num; + int num,j,retry; int (*cb)(int xok,X509_STORE_CTX *xctx); STACK_OF(X509) *sktmp=NULL; if (ctx->cert == NULL) @@ -110,21 +110,27 @@ int X509_verify_cert(X509_STORE_CTX *ctx return -1; } + if (ctx->chain != NULL) { + /* + * This X509_STORE_CTX has already been used to verify a cert. We + * cannot do another one. + */ + X509err(X509_F_X509_VERIFY_CERT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return -1; + } + cb=ctx->verify_cb; /* first we make sure the chain we are going to build is * present and that the first entry is in place */ - if (ctx->chain == NULL) + if ( ((ctx->chain=sk_X509_new_null()) == NULL) || + (!sk_X509_push(ctx->chain,ctx->cert))) { - if ( ((ctx->chain=sk_X509_new_null()) == NULL) || - (!sk_X509_push(ctx->chain,ctx->cert))) - { - X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); - goto end; - } - CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509); - ctx->last_untrusted=1; + X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE); + goto end; } + CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509); + ctx->last_untrusted=1; /* We use a temporary STACK so we can chop and hack at it */ if (ctx->untrusted != NULL @@ -191,10 +197,14 @@ int X509_verify_cert(X509_STORE_CTX *ctx break; } + /* Remember how many untrusted certs we have */ + j = num; + /* at this point, chain should contain a list of untrusted * certificates. We now need to add at least one trusted one, * if possible, otherwise we complain. */ + do { /* Examine last certificate in chain and see if it * is self signed. */ @@ -239,6 +249,7 @@ int X509_verify_cert(X509_STORE_CTX *ctx chain_ss=sk_X509_pop(ctx->chain); ctx->last_untrusted--; num--; + j--; x=sk_X509_value(ctx->chain,num-1); } } @@ -268,8 +279,42 @@ int X509_verify_cert(X509_STORE_CTX *ctx num++; } - /* we now have our chain, lets check it... */ - xn=X509_get_issuer_name(x); + /* + * If we haven't got a least one certificate from our store then check + * if there is an alternative chain that could be used. We only do this + * if the user hasn't switched off alternate chain checking + */ + retry = 0; + if (num == ctx->last_untrusted && + !(ctx->param->flags & X509_V_FLAG_NO_ALT_CHAINS)) { + while (j-- > 1) { + xtmp2 = sk_X509_value(ctx->chain, j - 1); + ok = ctx->get_issuer(&xtmp, ctx, xtmp2); + if (ok < 0) + goto end; + /* Check if we found an alternate chain */ + if (ok > 0) { + /* + * Free up the found cert we'll add it again later + */ + X509_free(xtmp); + + /* + * Dump all the certs above this point - we've found an + * alternate chain + */ + while (num > j) { + xtmp = sk_X509_pop(ctx->chain); + X509_free(xtmp); + num--; + } + ctx->last_untrusted = j; + retry = 1; + break; + } + } + } + } while (retry); /* Is last certificate looked up self signed? */ if (!ctx->check_issued(ctx,x,x)) Index: openssl-0.9.8j/crypto/x509/x509_vfy.h =================================================================== --- openssl-0.9.8j.orig/crypto/x509/x509_vfy.h 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/crypto/x509/x509_vfy.h 2017-11-06 15:14:21.528783173 +0100 @@ -365,6 +365,14 @@ void X509_STORE_CTX_set_depth(X509_STORE /* Use trusted store first */ #define X509_V_FLAG_TRUSTED_FIRST 0x8000 +/* + * If the initial chain is not trusted, do not attempt to build an alternative + * chain. Alternate chain checking was introduced in 1.0.1n/1.0.2b. Setting + * this flag will force the behaviour to match that of previous versions. + */ +#define X509_V_FLAG_NO_ALT_CHAINS 0x100000 + + #define X509_VP_FLAG_DEFAULT 0x1 #define X509_VP_FLAG_OVERWRITE 0x2 #define X509_VP_FLAG_RESET_FLAGS 0x4 Index: openssl-0.9.8j/doc/apps/ocsp.pod =================================================================== --- openssl-0.9.8j.orig/doc/apps/ocsp.pod 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/doc/apps/ocsp.pod 2017-11-06 15:14:21.528783173 +0100 @@ -29,6 +29,7 @@ B<openssl> B<ocsp> [B<-path>] [B<-CApath dir>] [B<-CAfile file>] +[B<-no_alt_chains>]] [B<-trusted_first>] [B<-VAfile file>] [B<-validity_period n>] @@ -138,6 +139,10 @@ or "/" by default. file or pathname containing trusted CA certificates. These are used to verify the signature on the OCSP response. +=item B<-no_alt_chains> + +See L<B<verify>|verify(1)> manual page for details. + =item B<-trusted_first> Use certificates in CA file or CA directory over certificates provided Index: openssl-0.9.8j/doc/apps/s_client.pod =================================================================== --- openssl-0.9.8j.orig/doc/apps/s_client.pod 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/doc/apps/s_client.pod 2017-11-06 15:14:21.528783173 +0100 @@ -17,6 +17,7 @@ B<openssl> B<s_client> [B<-pass arg>] [B<-CApath directory>] [B<-CAfile filename>] +[B<-no_alt_chains>] [B<-trusted_first>] [B<-reconnect>] [B<-pause>] Index: openssl-0.9.8j/doc/apps/smime.pod =================================================================== --- openssl-0.9.8j.orig/doc/apps/smime.pod 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/doc/apps/smime.pod 2017-11-06 15:14:21.528783173 +0100 @@ -26,6 +26,7 @@ B<openssl> B<smime> [B<-in file>] [B<-CAfile file>] [B<-CApath dir>] +[B<-no_alt_chains>] [B<-trusted_first>] [B<-certfile file>] [B<-signer file>] Index: openssl-0.9.8j/doc/apps/s_server.pod =================================================================== --- openssl-0.9.8j.orig/doc/apps/s_server.pod 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/doc/apps/s_server.pod 2017-11-06 15:14:21.528783173 +0100 @@ -33,6 +33,7 @@ B<openssl> B<s_server> [B<-state>] [B<-CApath directory>] [B<-CAfile filename>] +[B<-no_alt_chains>] [B<-trusted_first>] [B<-nocert>] [B<-cipher cipherlist>] @@ -164,6 +165,10 @@ and to use when attempting to build the is also used in the list of acceptable client CAs passed to the client when a certificate is requested. +=item B<-no_alt_chains> + +See the L<B<verify>|verify(1)> manual page for details. + =item B<-trusted_first> Use certificates in CA file or CA directory before other certificates Index: openssl-0.9.8j/doc/apps/verify.pod =================================================================== --- openssl-0.9.8j.orig/doc/apps/verify.pod 2017-11-06 15:14:21.520783041 +0100 +++ openssl-0.9.8j/doc/apps/verify.pod 2017-11-06 15:14:21.528783173 +0100 @@ -11,6 +11,7 @@ B<openssl> B<verify> [B<-CAfile file>] [B<-trusted_first>] [B<-purpose purpose>] +[B<-no_alt_chains>] [B<-untrusted file>] [B<-help>] [B<-issuer_checks>] @@ -50,6 +51,14 @@ Use certificates in CA file or CA direct file when building the trust chain to verify certificates. This is mainly useful in environments with Bridge CA or Cross-Certified CAs. +=item B<-no_alt_chains> + +When building a certificate chain, if the first certificate chain found is not +trusted, then OpenSSL will continue to check to see if an alternative chain can +be found that is trusted. With this option that behaviour is suppressed so that +only the first chain found is ever used. Using this option will force the +behaviour to match that of previous OpenSSL versions. + =item B<-purpose purpose> the intended use for the certificate. Without this option no chain verification
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