diff options
Diffstat (limited to 'apps/ocsp.c')
| -rw-r--r-- | apps/ocsp.c | 333 |
1 files changed, 263 insertions, 70 deletions
diff --git a/apps/ocsp.c b/apps/ocsp.c index 52af592a4a..01847dfad7 100644 --- a/apps/ocsp.c +++ b/apps/ocsp.c @@ -1,5 +1,5 @@ /* ocsp.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 2000. */ /* ==================================================================== @@ -57,25 +57,52 @@ */ #ifndef OPENSSL_NO_OCSP +#ifdef OPENSSL_SYS_VMS +#define _XOPEN_SOURCE_EXTENDED /* So fd_set and friends get properly defined + on OpenVMS */ +#endif + +#define USE_SOCKETS + #include <stdio.h> +#include <stdlib.h> #include <string.h> -#include "apps.h" -#include <openssl/pem.h> -#include <openssl/ocsp.h> +#include <time.h> +#include "apps.h" /* needs to be included before the openssl headers! */ +#include <openssl/e_os2.h> +#include <openssl/crypto.h> #include <openssl/err.h> #include <openssl/ssl.h> +#include <openssl/evp.h> #include <openssl/bn.h> - +#include <openssl/x509v3.h> + +#if defined(NETWARE_CLIB) +# ifdef NETWARE_BSDSOCK +# include <sys/socket.h> +# include <sys/bsdskt.h> +# else +# include <novsock2.h> +# endif +#elif defined(NETWARE_LIBC) +# ifdef NETWARE_BSDSOCK +# include <sys/select.h> +# else +# include <novsock2.h> +# endif +#endif + /* Maximum leeway in validity period: default 5 minutes */ #define MAX_VALIDITY_PERIOD (5 * 60) -static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, +static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, X509 *issuer, STACK_OF(OCSP_CERTID) *ids); -static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, +static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert_id_md, X509 *issuer, STACK_OF(OCSP_CERTID) *ids); static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, - STACK *names, STACK_OF(OCSP_CERTID) *ids, - long nsec, long maxage); + STACK_OF(OPENSSL_STRING) *names, + STACK_OF(OCSP_CERTID) *ids, long nsec, + long maxage); static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, X509 *ca, X509 *rcert, EVP_PKEY *rkey, @@ -86,6 +113,9 @@ static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); static BIO *init_responder(char *port); static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port); static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); +static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, + STACK_OF(CONF_VALUE) *headers, + OCSP_REQUEST *req, int req_timeout); #undef PROG #define PROG ocsp_main @@ -103,6 +133,7 @@ int MAIN(int argc, char **argv) char *rsignfile = NULL, *rkeyfile = NULL; char *outfile = NULL; int add_nonce = 1, noverify = 0, use_ssl = -1; + STACK_OF(CONF_VALUE) *headers = NULL; OCSP_REQUEST *req = NULL; OCSP_RESPONSE *resp = NULL; OCSP_BASICRESP *bs = NULL; @@ -112,11 +143,11 @@ int MAIN(int argc, char **argv) BIO *acbio = NULL, *cbio = NULL; BIO *derbio = NULL; BIO *out = NULL; + int req_timeout = -1; int req_text = 0, resp_text = 0; long nsec = MAX_VALIDITY_PERIOD, maxage = -1; char *CAfile = NULL, *CApath = NULL; X509_STORE *store = NULL; - SSL_CTX *ctx = NULL; STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; @@ -125,7 +156,7 @@ int MAIN(int argc, char **argv) int badarg = 0; int i; int ignore_err = 0; - STACK *reqnames = NULL; + STACK_OF(OPENSSL_STRING) *reqnames = NULL; STACK_OF(OCSP_CERTID) *ids = NULL; X509 *rca_cert = NULL; @@ -133,14 +164,16 @@ int MAIN(int argc, char **argv) char *rca_filename = NULL; CA_DB *rdb = NULL; int nmin = 0, ndays = -1; + const EVP_MD *cert_id_md = NULL; if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); if (!load_config(bio_err, NULL)) goto end; SSL_load_error_strings(); + OpenSSL_add_ssl_algorithms(); args = argv + 1; - reqnames = sk_new_null(); + reqnames = sk_OPENSSL_STRING_new_null(); ids = sk_OCSP_CERTID_new_null(); while (!badarg && *args && *args[0] == '-') { @@ -153,6 +186,22 @@ int MAIN(int argc, char **argv) } else badarg = 1; } + else if (!strcmp(*args, "-timeout")) + { + if (args[1]) + { + args++; + req_timeout = atol(*args); + if (req_timeout < 0) + { + BIO_printf(bio_err, + "Illegal timeout value %s\n", + *args); + badarg = 1; + } + } + else badarg = 1; + } else if (!strcmp(*args, "-url")) { if (args[1]) @@ -184,6 +233,16 @@ int MAIN(int argc, char **argv) } else badarg = 1; } + else if (!strcmp(*args, "-header")) + { + if (args[1] && args[2]) + { + if (!X509V3_add_value(args[1], args[2], &headers)) + goto end; + args += 2; + } + else badarg = 1; + } else if (!strcmp(*args, "-ignore_err")) ignore_err = 1; else if (!strcmp(*args, "-noverify")) @@ -383,9 +442,10 @@ int MAIN(int argc, char **argv) cert = load_cert(bio_err, *args, FORMAT_PEM, NULL, e, "certificate"); if(!cert) goto end; - if(!add_ocsp_cert(&req, cert, issuer, ids)) + if (!cert_id_md) cert_id_md = EVP_sha1(); + if(!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) goto end; - if(!sk_push(reqnames, *args)) + if(!sk_OPENSSL_STRING_push(reqnames, *args)) goto end; } else badarg = 1; @@ -395,9 +455,10 @@ int MAIN(int argc, char **argv) if (args[1]) { args++; - if(!add_ocsp_serial(&req, *args, issuer, ids)) + if (!cert_id_md) cert_id_md = EVP_sha1(); + if(!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids)) goto end; - if(!sk_push(reqnames, *args)) + if(!sk_OPENSSL_STRING_push(reqnames, *args)) goto end; } else badarg = 1; @@ -497,7 +558,10 @@ int MAIN(int argc, char **argv) } else badarg = 1; } - else badarg = 1; + else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL) + { + badarg = 1; + } args++; } @@ -553,6 +617,7 @@ int MAIN(int argc, char **argv) BIO_printf (bio_err, "-ndays n number of days before next update\n"); BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n"); BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n"); + BIO_printf (bio_err, "-<dgst alg> use specified digest in the request"); goto end; } @@ -659,7 +724,8 @@ int MAIN(int argc, char **argv) "signer private key"); if (!key) goto end; - if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags)) + + if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags)) { BIO_printf(bio_err, "Error signing OCSP request\n"); goto end; @@ -702,47 +768,14 @@ int MAIN(int argc, char **argv) else if (host) { #ifndef OPENSSL_NO_SOCK - cbio = BIO_new_connect(host); + resp = process_responder(bio_err, req, host, path, + port, use_ssl, headers, req_timeout); + if (!resp) + goto end; #else BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n"); goto end; #endif - if (!cbio) - { - BIO_printf(bio_err, "Error creating connect BIO\n"); - goto end; - } - if (port) BIO_set_conn_port(cbio, port); - if (use_ssl == 1) - { - BIO *sbio; -#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) - ctx = SSL_CTX_new(SSLv23_client_method()); -#elif !defined(OPENSSL_NO_SSL3) - ctx = SSL_CTX_new(SSLv3_client_method()); -#elif !defined(OPENSSL_NO_SSL2) - ctx = SSL_CTX_new(SSLv2_client_method()); -#else - BIO_printf(bio_err, "SSL is disabled\n"); - goto end; -#endif - SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); - sbio = BIO_new_ssl(ctx, 1); - cbio = BIO_push(sbio, cbio); - } - if (BIO_do_connect(cbio) <= 0) - { - BIO_printf(bio_err, "Error connecting BIO\n"); - goto end; - } - resp = OCSP_sendreq_bio(cbio, path, req); - BIO_free_all(cbio); - cbio = NULL; - if (!resp) - { - BIO_printf(bio_err, "Error querying OCSP responsder\n"); - goto end; - } } else if (respin) { @@ -881,23 +914,23 @@ end: OCSP_REQUEST_free(req); OCSP_RESPONSE_free(resp); OCSP_BASICRESP_free(bs); - sk_free(reqnames); + sk_OPENSSL_STRING_free(reqnames); sk_OCSP_CERTID_free(ids); sk_X509_pop_free(sign_other, X509_free); sk_X509_pop_free(verify_other, X509_free); + sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); if (use_ssl != -1) { OPENSSL_free(host); OPENSSL_free(port); OPENSSL_free(path); - SSL_CTX_free(ctx); } OPENSSL_EXIT(ret); } -static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, +static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer, STACK_OF(OCSP_CERTID) *ids) { OCSP_CERTID *id; @@ -908,7 +941,7 @@ static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, } if(!*req) *req = OCSP_REQUEST_new(); if(!*req) goto err; - id = OCSP_cert_to_id(NULL, cert, issuer); + id = OCSP_cert_to_id(cert_id_md, cert, issuer); if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; if(!OCSP_request_add0_id(*req, id)) goto err; return 1; @@ -918,7 +951,7 @@ static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, return 0; } -static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, +static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer, STACK_OF(OCSP_CERTID) *ids) { OCSP_CERTID *id; @@ -940,7 +973,7 @@ static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, BIO_printf(bio_err, "Error converting serial number %s\n", serial); return 0; } - id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno); + id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); ASN1_INTEGER_free(sno); if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; if(!OCSP_request_add0_id(*req, id)) goto err; @@ -952,8 +985,9 @@ static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, } static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, - STACK *names, STACK_OF(OCSP_CERTID) *ids, - long nsec, long maxage) + STACK_OF(OPENSSL_STRING) *names, + STACK_OF(OCSP_CERTID) *ids, long nsec, + long maxage) { OCSP_CERTID *id; char *name; @@ -963,13 +997,13 @@ static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; - if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids)) + if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(ids)) return 1; for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) { id = sk_OCSP_CERTID_value(ids, i); - name = sk_value(names, i); + name = sk_OPENSSL_STRING_value(names, i); BIO_printf(out, "%s: ", name); if(!OCSP_resp_find_status(bs, id, &status, &reason, @@ -1026,7 +1060,6 @@ static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db OCSP_BASICRESP *bs = NULL; int i, id_count, ret = 1; - id_count = OCSP_request_onereq_count(req); if (id_count <= 0) @@ -1035,7 +1068,6 @@ static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db goto end; } - ca_id = OCSP_cert_to_id(EVP_sha1(), NULL, ca); bs = OCSP_BASICRESP_new(); thisupd = X509_gmtime_adj(NULL, 0); @@ -1048,8 +1080,23 @@ static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db OCSP_ONEREQ *one; ASN1_INTEGER *serial; char **inf; + ASN1_OBJECT *cert_id_md_oid; + const EVP_MD *cert_id_md; one = OCSP_request_onereq_get0(req, i); cid = OCSP_onereq_get0_id(one); + + OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid); + + cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); + if (! cert_id_md) + { + *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, + NULL); + goto end; + } + if (ca_id) OCSP_CERTID_free(ca_id); + ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); + /* Is this request about our CA? */ if (OCSP_id_issuer_cmp(ca_id, cid)) { @@ -1094,8 +1141,8 @@ static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db } OCSP_copy_nonce(bs, req); - - OCSP_basic_sign(bs, rcert, rkey, EVP_sha1(), rother, flags); + + OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); @@ -1115,6 +1162,7 @@ static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) char *itmp, *row[DB_NUMBER],**rrow; for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; bn = ASN1_INTEGER_to_BN(ser,NULL); + OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */ if (BN_is_zero(bn)) itmp = BUF_strdup("00"); else @@ -1221,8 +1269,153 @@ static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) return 0; BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); i2d_OCSP_RESPONSE_bio(cbio, resp); - BIO_flush(cbio); + (void)BIO_flush(cbio); return 1; } +static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, + STACK_OF(CONF_VALUE) *headers, + OCSP_REQUEST *req, int req_timeout) + { + int fd; + int rv; + int i; + OCSP_REQ_CTX *ctx = NULL; + OCSP_RESPONSE *rsp = NULL; + fd_set confds; + struct timeval tv; + + if (req_timeout != -1) + BIO_set_nbio(cbio, 1); + + rv = BIO_do_connect(cbio); + + if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) + { + BIO_puts(err, "Error connecting BIO\n"); + return NULL; + } + + if (BIO_get_fd(cbio, &fd) <= 0) + { + BIO_puts(err, "Can't get connection fd\n"); + goto err; + } + + if (req_timeout != -1 && rv <= 0) + { + FD_ZERO(&confds); + openssl_fdset(fd, &confds); + tv.tv_usec = 0; + tv.tv_sec = req_timeout; + rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); + if (rv == 0) + { + BIO_puts(err, "Timeout on connect\n"); + return NULL; + } + } + + + ctx = OCSP_sendreq_new(cbio, path, NULL, -1); + if (!ctx) + return NULL; + + for (i = 0; i < sk_CONF_VALUE_num(headers); i++) + { + CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); + if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) + goto err; + } + + if (!OCSP_REQ_CTX_set1_req(ctx, req)) + goto err; + + for (;;) + { + rv = OCSP_sendreq_nbio(&rsp, ctx); + if (rv != -1) + break; + if (req_timeout == -1) + continue; + FD_ZERO(&confds); + openssl_fdset(fd, &confds); + tv.tv_usec = 0; + tv.tv_sec = req_timeout; + if (BIO_should_read(cbio)) + rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); + else if (BIO_should_write(cbio)) + rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); + else + { + BIO_puts(err, "Unexpected retry condition\n"); + goto err; + } + if (rv == 0) + { + BIO_puts(err, "Timeout on request\n"); + break; + } + if (rv == -1) + { + BIO_puts(err, "Select error\n"); + break; + } + + } + err: + if (ctx) + OCSP_REQ_CTX_free(ctx); + + return rsp; + } + +OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, + char *host, char *path, char *port, int use_ssl, + STACK_OF(CONF_VALUE) *headers, + int req_timeout) + { + BIO *cbio = NULL; + SSL_CTX *ctx = NULL; + OCSP_RESPONSE *resp = NULL; + cbio = BIO_new_connect(host); + if (!cbio) + { + BIO_printf(err, "Error creating connect BIO\n"); + goto end; + } + if (port) BIO_set_conn_port(cbio, port); + if (use_ssl == 1) + { + BIO *sbio; +#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) + ctx = SSL_CTX_new(SSLv23_client_method()); +#elif !defined(OPENSSL_NO_SSL3) + ctx = SSL_CTX_new(SSLv3_client_method()); +#elif !defined(OPENSSL_NO_SSL2) + ctx = SSL_CTX_new(SSLv2_client_method()); +#else + BIO_printf(err, "SSL is disabled\n"); + goto end; +#endif + if (ctx == NULL) + { + BIO_printf(err, "Error creating SSL context.\n"); + goto end; + } + SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); + sbio = BIO_new_ssl(ctx, 1); + cbio = BIO_push(sbio, cbio); + } + resp = query_responder(err, cbio, path, headers, req, req_timeout); + if (!resp) + BIO_printf(bio_err, "Error querying OCSP responsder\n"); + end: + if (cbio) + BIO_free_all(cbio); + if (ctx) + SSL_CTX_free(ctx); + return resp; + } + #endif |