X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fverify.c;h=02351945679621d49fc75cba66afeba828de1961;hp=809f4c43fa6b13f76ffdf4ad2a0e50cd0d21126b;hb=1c8a527cff6cd4e07935e5a86335963e93adf75a;hpb=d02b48c63a58ea4367a0e905979f140b7d090f86 diff --git a/apps/verify.c b/apps/verify.c index 809f4c43fa..0235194567 100644 --- a/apps/verify.c +++ b/apps/verify.c @@ -1,25 +1,24 @@ -/* apps/verify.c */ -/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * 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 +33,10 @@ * 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 +48,7 @@ * 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 @@ -60,181 +59,280 @@ #include #include #include "apps.h" -#include "bio.h" -#include "err.h" -#include "x509.h" -#include "pem.h" - -#undef PROG -#define PROG verify_main - -#ifndef NOPROTO -static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx); -static int check(X509_STORE *ctx,char *file); -#else -static int MS_CALLBACK cb(); -static int check(); +#include +#include +#include +#include +#include + +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; + +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_UNTRUSTED, OPT_TRUSTED, + OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN, + OPT_V_ENUM, + OPT_VERBOSE +} OPTION_CHOICE; + +OPTIONS verify_options[] = { + {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"}, + {OPT_HELP_STR, 1, '-', "Valid options are:\n"}, + {"help", OPT_HELP, '-', "Display this summary"}, + {"verbose", OPT_VERBOSE, '-'}, + {"CApath", OPT_CAPATH, '/'}, + {"CAfile", OPT_CAFILE, '<'}, + {"untrusted", OPT_UNTRUSTED, '<'}, + {"trusted", OPT_TRUSTED, '<'}, + {"CRLfile", OPT_CRLFILE, '<'}, + {"crl_download", OPT_CRL_DOWNLOAD, '-'}, + {"show_chain", OPT_SHOW_CHAIN, '-'}, +#ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, #endif + OPT_V_OPTIONS, + {NULL} +}; + +int verify_main(int argc, char **argv) +{ + ENGINE *e = NULL; + STACK_OF(X509) *untrusted = NULL, *trusted = NULL; + STACK_OF(X509_CRL) *crls = NULL; + X509_STORE *store = NULL; + X509_VERIFY_PARAM *vpm = NULL; + char *prog, *CApath = NULL, *CAfile = NULL; + char *untfile = NULL, *trustfile = NULL, *crlfile = NULL; + int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1; + OPTION_CHOICE o; + + if ((vpm = X509_VERIFY_PARAM_new()) == NULL) + goto end; + + prog = opt_init(argc, argv, verify_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + goto end; + case OPT_HELP: + opt_help(verify_options); + 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)); + } + ret = 0; + goto end; + case OPT_V_CASES: + if (!opt_verify(o, vpm)) + goto end; + vpmtouched++; + break; + case OPT_CAPATH: + CApath = opt_arg(); + break; + case OPT_CAFILE: + CAfile = opt_arg(); + break; + case OPT_UNTRUSTED: + untfile = opt_arg(); + break; + case OPT_TRUSTED: + trustfile = opt_arg(); + break; + case OPT_CRLFILE: + crlfile = opt_arg(); + break; + case OPT_CRL_DOWNLOAD: + crl_download = 1; + break; + case OPT_SHOW_CHAIN: + show_chain = 1; + break; + case OPT_ENGINE: + e = setup_engine(opt_arg(), 0); + break; + case OPT_VERBOSE: + v_verbose = 1; + break; + } + } + argc = opt_num_rest(); + argv = opt_rest(); + + if (!app_load_modules(NULL)) + goto end; + + if ((store = setup_verify(CAfile, CApath)) == NULL) + goto end; + X509_STORE_set_verify_cb(store, cb); + + if (vpmtouched) + X509_STORE_set1_param(store, vpm); + + ERR_clear_error(); + + if (untfile) { + untrusted = load_certs(untfile, FORMAT_PEM, + NULL, e, "untrusted certificates"); + if (!untrusted) + goto end; + } + + if (trustfile) { + trusted = load_certs(trustfile, FORMAT_PEM, + NULL, e, "trusted certificates"); + if (!trusted) + goto end; + } + + if (crlfile) { + crls = load_crls(crlfile, FORMAT_PEM, NULL, e, "other CRLs"); + if (!crls) + goto end; + } + + if (crl_download) + store_setup_crl_download(store); + + ret = 0; + if (argc < 1) { + if (check(store, NULL, untrusted, trusted, crls, e, show_chain) != 1) + ret = -1; + } else { + for (i = 0; i < argc; i++) + if (check(store, argv[i], untrusted, trusted, crls, e, + show_chain) != 1) + ret = -1; + } + + end: + X509_VERIFY_PARAM_free(vpm); + X509_STORE_free(store); + sk_X509_pop_free(untrusted, X509_free); + sk_X509_pop_free(trusted, X509_free); + sk_X509_CRL_pop_free(crls, X509_CRL_free); + return (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(file, FORMAT_PEM, NULL, e, "certificate file"); + if (x == NULL) + goto end; + printf("%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) { + printf("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); + } + 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(bio_err, + X509_get_subject_name(current_cert), + 0, XN_FLAG_ONELINE); + BIO_printf(bio_err, "\n"); + } + BIO_printf(bio_err, "%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(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; + } -static int v_verbose=0; - -int MAIN(argc, argv) -int argc; -char **argv; - { - int i,ret=1; - char *CApath=NULL,*CAfile=NULL; - X509_STORE *cert_ctx=NULL; - X509_LOOKUP *lookup=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); - - 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,"-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; - } - - lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file()); - if (lookup == NULL) abort(); - if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) - 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 (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) - X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); - - - if (argc < 1) check(cert_ctx,NULL); - else - for (i=0; ierror == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) - ok=1; - else - { - 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; - } - } - if (!v_verbose) - ERR_clear_error(); - return(ok); - } + return ok; + } + if (cert_error == X509_V_OK && ok == 2) + policies_print(ctx); + if (!v_verbose) + ERR_clear_error(); + return (ok); +}