X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fverify.c;h=e771be22d2d9d64ef65d32e6b1f2f64a5e03dab4;hp=215ef84fc75f5347e3ee530328f3fc9fedec8bf8;hb=61986d32f37cbaeaed08bd955ff27d35b72ea29a;hpb=3647bee263ebfef8694f7df07498a17b03ad883d diff --git a/apps/verify.c b/apps/verify.c index 215ef84fc7..e771be22d2 100644 --- a/apps/verify.c +++ b/apps/verify.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -67,291 +67,314 @@ #include #undef PROG -#define PROG verify_main +#define PROG verify_main -static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx); -static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, ENGINE *e); -static STACK_OF(X509) *load_untrusted(char *file); -static int v_verbose=0, vflags = 0; +static int cb(int ok, X509_STORE_CTX *ctx); +static int check(X509_STORE *ctx, char *file, + STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, + STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain); +static int v_verbose = 0, vflags = 0; int MAIN(int, char **); int MAIN(int argc, char **argv) - { - ENGINE *e = NULL; - int i,ret=1; - int purpose = -1; - char *CApath=NULL,*CAfile=NULL; - char *untfile = NULL, *trustfile = NULL; - STACK_OF(X509) *untrusted = NULL, *trusted = NULL; - X509_STORE *cert_ctx=NULL; - X509_LOOKUP *lookup=NULL; - char *engine=NULL; - - cert_ctx=X509_STORE_new(); - if (cert_ctx == NULL) goto end; - X509_STORE_set_verify_cb_func(cert_ctx,cb); - - ERR_load_crypto_strings(); - - apps_startup(); - - if (bio_err == NULL) - if ((bio_err=BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); - - if (!load_config(bio_err, NULL)) - goto end; - - argc--; - argv++; - for (;;) - { - if (argc >= 1) - { - if (strcmp(*argv,"-CApath") == 0) - { - if (argc-- < 1) goto end; - CApath= *(++argv); - } - else if (strcmp(*argv,"-CAfile") == 0) - { - if (argc-- < 1) goto end; - CAfile= *(++argv); - } - else if (strcmp(*argv,"-purpose") == 0) - { - X509_PURPOSE *xptmp; - if (argc-- < 1) goto end; - i = X509_PURPOSE_get_by_sname(*(++argv)); - if(i < 0) - { - BIO_printf(bio_err, "unrecognized purpose\n"); - goto end; - } - xptmp = X509_PURPOSE_get0(i); - purpose = X509_PURPOSE_get_id(xptmp); - } - else if (strcmp(*argv,"-untrusted") == 0) - { - if (argc-- < 1) goto end; - untfile= *(++argv); - } - else if (strcmp(*argv,"-trusted") == 0) - { - if (argc-- < 1) goto end; - trustfile= *(++argv); - } - else if (strcmp(*argv,"-engine") == 0) - { - if (--argc < 1) goto end; - engine= *(++argv); - } - else if (strcmp(*argv,"-help") == 0) - goto end; - else if (strcmp(*argv,"-ignore_critical") == 0) - vflags |= X509_V_FLAG_IGNORE_CRITICAL; - else if (strcmp(*argv,"-issuer_checks") == 0) - vflags |= X509_V_FLAG_CB_ISSUER_CHECK; - else if (strcmp(*argv,"-crl_check") == 0) - vflags |= X509_V_FLAG_CRL_CHECK; - else if (strcmp(*argv,"-crl_check_all") == 0) - vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL; - else if (strcmp(*argv,"-verbose") == 0) - v_verbose=1; - else if (argv[0][0] == '-') - goto end; - else - break; - argc--; - argv++; - } - else - break; - } - - e = setup_engine(bio_err, engine, 0); - - lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file()); - if (lookup == NULL) abort(); - if (CAfile) { - i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM); - if(!i) { - BIO_printf(bio_err, "Error loading file %s\n", CAfile); - ERR_print_errors(bio_err); - goto end; - } - } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); - - lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir()); - if (lookup == NULL) abort(); - if (CApath) { - i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM); - if(!i) { - BIO_printf(bio_err, "Error loading directory %s\n", CApath); - ERR_print_errors(bio_err); - goto end; - } - } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); - - ERR_clear_error(); - - if(untfile) { - if(!(untrusted = load_untrusted(untfile))) { - BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile); - ERR_print_errors(bio_err); - goto end; - } - } - - if(trustfile) { - if(!(trusted = load_untrusted(trustfile))) { - BIO_printf(bio_err, "Error loading untrusted file %s\n", trustfile); - ERR_print_errors(bio_err); - goto end; - } - } - - if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, purpose, e); - else - for (i=0; i= 0) X509_STORE_CTX_set_purpose(csc, purpose); - i=X509_verify_cert(csc); - X509_STORE_CTX_free(csc); - - ret=0; -end: - if (i) - { - fprintf(stdout,"OK\n"); - ret=1; - } - else - ERR_print_errors(bio_err); - if (x != NULL) X509_free(x); - - return(ret); - } - -static STACK_OF(X509) *load_untrusted(char *certfile) { - STACK_OF(X509_INFO) *sk=NULL; - STACK_OF(X509) *stack=NULL, *ret=NULL; - BIO *in=NULL; - X509_INFO *xi; - - if(!(stack = sk_X509_new_null())) { - BIO_printf(bio_err,"memory allocation failure\n"); - goto end; - } - - if(!(in=BIO_new_file(certfile, "r"))) { - BIO_printf(bio_err,"error opening the file, %s\n",certfile); - goto end; - } - - /* This loads from a file, a stack of x509/crl/pkey sets */ - if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) { - BIO_printf(bio_err,"error reading the file, %s\n",certfile); - goto end; - } - - /* scan over it and pull out the certs */ - while (sk_X509_INFO_num(sk)) - { - xi=sk_X509_INFO_shift(sk); - if (xi->x509 != NULL) - { - sk_X509_push(stack,xi->x509); - xi->x509=NULL; - } - X509_INFO_free(xi); - } - if(!sk_X509_num(stack)) { - BIO_printf(bio_err,"no certificates in file, %s\n",certfile); - sk_X509_free(stack); - goto end; - } - ret=stack; -end: - BIO_free(in); - sk_X509_INFO_free(sk); - return(ret); - } - -static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx) - { - char buf[256]; - - if (!ok) - { - X509_NAME_oneline( - X509_get_subject_name(ctx->current_cert),buf,256); - printf("%s\n",buf); - printf("error %d at %d depth lookup:%s\n",ctx->error, - ctx->error_depth, - X509_verify_cert_error_string(ctx->error)); - if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1; - /* since we are just checking the certificates, it is - * ok if they are self signed. But we should still warn - * the user. - */ - if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1; - /* Continue after extension errors too */ - if (ctx->error == X509_V_ERR_INVALID_CA) ok=1; - if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1; - if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1; - if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1; - if (ctx->error == X509_V_ERR_CRL_HAS_EXPIRED) ok=1; - if (ctx->error == X509_V_ERR_CRL_NOT_YET_VALID) ok=1; - if (ctx->error == X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION) ok=1; - } - if (!v_verbose) - ERR_clear_error(); - return(ok); - } + ENGINE *e = NULL; + int i, ret = 1, badarg = 0; + char *CApath = NULL, *CAfile = NULL; + char *untfile = NULL, *trustfile = NULL, *crlfile = NULL; + STACK_OF(X509) *untrusted = NULL, *trusted = NULL; + STACK_OF(X509_CRL) *crls = NULL; + X509_STORE *cert_ctx = NULL; + X509_LOOKUP *lookup = NULL; + X509_VERIFY_PARAM *vpm = NULL; + int crl_download = 0, show_chain = 0; +#ifndef OPENSSL_NO_ENGINE + char *engine = NULL; +#endif + + cert_ctx = X509_STORE_new(); + if (cert_ctx == NULL) + goto end; + X509_STORE_set_verify_cb(cert_ctx, cb); + + ERR_load_crypto_strings(); + + apps_startup(); + + if (bio_err == NULL) + if ((bio_err = BIO_new(BIO_s_file())) != NULL) + BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); + + if (!load_config(bio_err, NULL)) + goto end; + + argc--; + argv++; + for (;;) { + if (argc >= 1) { + if (strcmp(*argv, "-CApath") == 0) { + if (argc-- < 1) + goto end; + CApath = *(++argv); + } else if (strcmp(*argv, "-CAfile") == 0) { + if (argc-- < 1) + goto end; + CAfile = *(++argv); + } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { + if (badarg) + goto end; + continue; + } else if (strcmp(*argv, "-untrusted") == 0) { + if (argc-- < 1) + goto end; + untfile = *(++argv); + } else if (strcmp(*argv, "-trusted") == 0) { + if (argc-- < 1) + goto end; + trustfile = *(++argv); + } else if (strcmp(*argv, "-CRLfile") == 0) { + if (argc-- < 1) + goto end; + crlfile = *(++argv); + } else if (strcmp(*argv, "-crl_download") == 0) + crl_download = 1; + else if (strcmp(*argv, "-show_chain") == 0) + show_chain = 1; +#ifndef OPENSSL_NO_ENGINE + else if (strcmp(*argv, "-engine") == 0) { + if (--argc < 1) + goto end; + engine = *(++argv); + } +#endif + else if (strcmp(*argv, "-help") == 0) + goto end; + else if (strcmp(*argv, "-verbose") == 0) + v_verbose = 1; + else if (argv[0][0] == '-') + goto end; + else + break; + argc--; + argv++; + } else + break; + } + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine, 0); +#endif + + if (vpm) + X509_STORE_set1_param(cert_ctx, vpm); + + lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file()); + if (lookup == NULL) + abort(); + if (CAfile) { + i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM); + if (!i) { + BIO_printf(bio_err, "Error loading file %s\n", CAfile); + ERR_print_errors(bio_err); + goto end; + } + } else + X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); + + lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir()); + if (lookup == NULL) + abort(); + if (CApath) { + i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM); + if (!i) { + BIO_printf(bio_err, "Error loading directory %s\n", CApath); + ERR_print_errors(bio_err); + goto end; + } + } else + X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); + + ERR_clear_error(); + + if (untfile) { + untrusted = load_certs(bio_err, untfile, FORMAT_PEM, + NULL, e, "untrusted certificates"); + if (!untrusted) + goto end; + } + + if (trustfile) { + trusted = load_certs(bio_err, trustfile, FORMAT_PEM, + NULL, e, "trusted certificates"); + if (!trusted) + goto end; + } + + if (crlfile) { + crls = load_crls(bio_err, crlfile, FORMAT_PEM, NULL, e, "other CRLs"); + if (!crls) + goto end; + } + + if (crl_download) + store_setup_crl_download(cert_ctx); + + ret = 0; + if (argc < 1) { + if (1 != + check(cert_ctx, NULL, untrusted, trusted, crls, e, show_chain)) + ret = -1; + } else { + for (i = 0; i < argc; i++) + if (1 != + check(cert_ctx, argv[i], untrusted, trusted, crls, e, + show_chain)) + ret = -1; + } + + end: + if (ret == 1) { + BIO_printf(bio_err, + "usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check] [-no_alt_chains]"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err, " [-engine e]"); +#endif + BIO_printf(bio_err, " cert1 cert2 ...\n"); + + BIO_printf(bio_err, "recognized usages:\n"); + for (i = 0; i < X509_PURPOSE_get_count(); i++) { + X509_PURPOSE *ptmp; + ptmp = X509_PURPOSE_get0(i); + BIO_printf(bio_err, "\t%-10s\t%s\n", + X509_PURPOSE_get0_sname(ptmp), + X509_PURPOSE_get0_name(ptmp)); + } + + BIO_printf(bio_err, "recognized verify names:\n"); + for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) { + const X509_VERIFY_PARAM *vptmp; + vptmp = X509_VERIFY_PARAM_get0(i); + BIO_printf(bio_err, "\t%-10s\n", + X509_VERIFY_PARAM_get0_name(vptmp)); + } + + } + if (vpm) + X509_VERIFY_PARAM_free(vpm); + if (cert_ctx != NULL) + X509_STORE_free(cert_ctx); + sk_X509_pop_free(untrusted, X509_free); + sk_X509_pop_free(trusted, X509_free); + sk_X509_CRL_pop_free(crls, X509_CRL_free); + apps_shutdown(); + OPENSSL_EXIT(ret < 0 ? 2 : ret); +} + +static int check(X509_STORE *ctx, char *file, + STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, + STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain) +{ + X509 *x = NULL; + int i = 0, ret = 0; + X509_STORE_CTX *csc; + STACK_OF(X509) *chain = NULL; + + x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file"); + if (x == NULL) + goto end; + fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file); + + csc = X509_STORE_CTX_new(); + if (csc == NULL) { + ERR_print_errors(bio_err); + goto end; + } + X509_STORE_set_flags(ctx, vflags); + if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) { + ERR_print_errors(bio_err); + goto end; + } + if (tchain) + X509_STORE_CTX_trusted_stack(csc, tchain); + if (crls) + X509_STORE_CTX_set0_crls(csc, crls); + i = X509_verify_cert(csc); + if (i > 0 && show_chain) + chain = X509_STORE_CTX_get1_chain(csc); + X509_STORE_CTX_free(csc); + + ret = 0; + end: + if (i > 0) { + fprintf(stdout, "OK\n"); + ret = 1; + } else + ERR_print_errors(bio_err); + if (chain) { + printf("Chain:\n"); + for (i = 0; i < sk_X509_num(chain); i++) { + X509 *cert = sk_X509_value(chain, i); + printf("depth=%d: ", i); + X509_NAME_print_ex_fp(stdout, + X509_get_subject_name(cert), + 0, XN_FLAG_ONELINE); + printf("\n"); + } + sk_X509_pop_free(chain, X509_free); + } + if (x != NULL) + X509_free(x); + + return (ret); +} + +static int cb(int ok, X509_STORE_CTX *ctx) +{ + int cert_error = X509_STORE_CTX_get_error(ctx); + X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx); + + if (!ok) { + if (current_cert) { + X509_NAME_print_ex_fp(stdout, + X509_get_subject_name(current_cert), + 0, XN_FLAG_ONELINE); + printf("\n"); + } + printf("%serror %d at %d depth lookup:%s\n", + X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "", + cert_error, + X509_STORE_CTX_get_error_depth(ctx), + X509_verify_cert_error_string(cert_error)); + switch (cert_error) { + case X509_V_ERR_NO_EXPLICIT_POLICY: + policies_print(NULL, ctx); + case X509_V_ERR_CERT_HAS_EXPIRED: + + /* + * since we are just checking the certificates, it is ok if they + * are self signed. But we should still warn the user. + */ + + case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: + /* Continue after extension errors too */ + case X509_V_ERR_INVALID_CA: + case X509_V_ERR_INVALID_NON_CA: + case X509_V_ERR_PATH_LENGTH_EXCEEDED: + case X509_V_ERR_INVALID_PURPOSE: + case X509_V_ERR_CRL_HAS_EXPIRED: + case X509_V_ERR_CRL_NOT_YET_VALID: + case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION: + ok = 1; + + } + + return ok; + } + if (cert_error == X509_V_OK && ok == 2) + policies_print(NULL, ctx); + if (!v_verbose) + ERR_clear_error(); + return (ok); +}