X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fsmime.c;h=c583f8a0e16205bbf5b2bf56560aaafacfe0477e;hp=dc28ced3e8d32bee9b58833e4c40454ed50a6ed0;hb=98a7edf9f026e0071b2244faed29521de1fb2708;hpb=a6e7fcd140feb263ee0aa3e983b4689e1b6735b9 diff --git a/apps/smime.c b/apps/smime.c index dc28ced3e8..c583f8a0e1 100644 --- a/apps/smime.c +++ b/apps/smime.c @@ -1,5 +1,5 @@ /* smime.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. */ /* ==================================================================== @@ -73,11 +73,14 @@ static int save_certs(char *signerfile, STACK_OF(X509) *signers); static int smime_cb(int ok, X509_STORE_CTX *ctx); #define SMIME_OP 0x10 +#define SMIME_IP 0x20 +#define SMIME_SIGNERS 0x40 #define SMIME_ENCRYPT (1 | SMIME_OP) -#define SMIME_DECRYPT 2 -#define SMIME_SIGN (3 | SMIME_OP) -#define SMIME_VERIFY 4 -#define SMIME_PK7OUT 5 +#define SMIME_DECRYPT (2 | SMIME_IP) +#define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) +#define SMIME_VERIFY (4 | SMIME_IP) +#define SMIME_PK7OUT (5 | SMIME_IP | SMIME_OP) +#define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) int MAIN(int, char **); @@ -90,7 +93,7 @@ int MAIN(int argc, char **argv) const char *inmode = "r", *outmode = "w"; char *infile = NULL, *outfile = NULL; char *signerfile = NULL, *recipfile = NULL; - STACK *sksigners = NULL, *skkeys = NULL; + STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; char *certfile = NULL, *keyfile = NULL, *contfile=NULL; const EVP_CIPHER *cipher = NULL; PKCS7 *p7 = NULL; @@ -106,6 +109,8 @@ int MAIN(int argc, char **argv) char *passargin = NULL, *passin = NULL; char *inrand = NULL; int need_rand = 0; + int indef = 0; + const EVP_MD *sign_md = NULL; int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; int keyform = FORMAT_PEM; #ifndef OPENSSL_NO_ENGINE @@ -136,6 +141,8 @@ int MAIN(int argc, char **argv) operation = SMIME_DECRYPT; else if (!strcmp (*args, "-sign")) operation = SMIME_SIGN; + else if (!strcmp (*args, "-resign")) + operation = SMIME_RESIGN; else if (!strcmp (*args, "-verify")) operation = SMIME_VERIFY; else if (!strcmp (*args, "-pk7out")) @@ -146,6 +153,10 @@ int MAIN(int argc, char **argv) else if (!strcmp (*args, "-des")) cipher = EVP_des_cbc(); #endif +#ifndef OPENSSL_NO_SEED + else if (!strcmp (*args, "-seed")) + cipher = EVP_seed_cbc(); +#endif #ifndef OPENSSL_NO_RC2 else if (!strcmp (*args, "-rc2-40")) cipher = EVP_rc2_40_cbc(); @@ -161,6 +172,14 @@ int MAIN(int argc, char **argv) cipher = EVP_aes_192_cbc(); else if (!strcmp(*args,"-aes256")) cipher = EVP_aes_256_cbc(); +#endif +#ifndef OPENSSL_NO_CAMELLIA + else if (!strcmp(*args,"-camellia128")) + cipher = EVP_camellia_128_cbc(); + else if (!strcmp(*args,"-camellia192")) + cipher = EVP_camellia_192_cbc(); + else if (!strcmp(*args,"-camellia256")) + cipher = EVP_camellia_256_cbc(); #endif else if (!strcmp (*args, "-text")) flags |= PKCS7_TEXT; @@ -182,6 +201,12 @@ int MAIN(int argc, char **argv) flags |= PKCS7_BINARY; else if (!strcmp (*args, "-nosigs")) flags |= PKCS7_NOSIGS; + else if (!strcmp (*args, "-stream")) + indef = 1; + else if (!strcmp (*args, "-indef")) + indef = 1; + else if (!strcmp (*args, "-noindef")) + indef = 0; else if (!strcmp (*args, "-nooldmime")) flags |= PKCS7_NOOLDMIMETYPE; else if (!strcmp (*args, "-crlfeol")) @@ -235,13 +260,13 @@ int MAIN(int argc, char **argv) if (signerfile) { if (!sksigners) - sksigners = sk_new_null(); - sk_push(sksigners, signerfile); + sksigners = sk_OPENSSL_STRING_new_null(); + sk_OPENSSL_STRING_push(sksigners, signerfile); if (!keyfile) keyfile = signerfile; if (!skkeys) - skkeys = sk_new_null(); - sk_push(skkeys, keyfile); + skkeys = sk_OPENSSL_STRING_new_null(); + sk_OPENSSL_STRING_push(skkeys, keyfile); keyfile = NULL; } signerfile = *++args; @@ -252,6 +277,18 @@ int MAIN(int argc, char **argv) goto argerr; recipfile = *++args; } + else if (!strcmp (*args, "-md")) + { + if (!args[1]) + goto argerr; + sign_md = EVP_get_digestbyname(*++args); + if (sign_md == NULL) + { + BIO_printf(bio_err, "Unknown digest %s\n", + *args); + goto argerr; + } + } else if (!strcmp (*args, "-inkey")) { if (!args[1]) @@ -265,12 +302,12 @@ int MAIN(int argc, char **argv) goto argerr; } if (!sksigners) - sksigners = sk_new_null(); - sk_push(sksigners, signerfile); + sksigners = sk_OPENSSL_STRING_new_null(); + sk_OPENSSL_STRING_push(sksigners, signerfile); signerfile = NULL; if (!skkeys) - skkeys = sk_new_null(); - sk_push(skkeys, keyfile); + skkeys = sk_OPENSSL_STRING_new_null(); + sk_OPENSSL_STRING_push(skkeys, keyfile); } keyfile = *++args; } @@ -330,18 +367,18 @@ int MAIN(int argc, char **argv) } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) continue; - else + else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) badarg = 1; args++; } - if ((operation != SMIME_SIGN) && (skkeys || sksigners)) + if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) { BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); goto argerr; } - if (operation == SMIME_SIGN) + if (operation & SMIME_SIGNERS) { /* Check to see if any final signer needs to be appended */ if (keyfile && !signerfile) @@ -352,13 +389,13 @@ int MAIN(int argc, char **argv) if (signerfile) { if (!sksigners) - sksigners = sk_new_null(); - sk_push(sksigners, signerfile); + sksigners = sk_OPENSSL_STRING_new_null(); + sk_OPENSSL_STRING_push(sksigners, signerfile); if (!skkeys) - skkeys = sk_new_null(); + skkeys = sk_OPENSSL_STRING_new_null(); if (!keyfile) keyfile = signerfile; - sk_push(skkeys, keyfile); + sk_OPENSSL_STRING_push(skkeys, keyfile); } if (!sksigners) { @@ -403,6 +440,9 @@ int MAIN(int argc, char **argv) BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); BIO_printf (bio_err, "-des encrypt with DES\n"); #endif +#ifndef OPENSSL_NO_SEED + BIO_printf (bio_err, "-seed encrypt with SEED\n"); +#endif #ifndef OPENSSL_NO_RC2 BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); @@ -411,6 +451,10 @@ int MAIN(int argc, char **argv) #ifndef OPENSSL_NO_AES BIO_printf (bio_err, "-aes128, -aes192, -aes256\n"); BIO_printf (bio_err, " encrypt PEM output with cbc aes\n"); +#endif +#ifndef OPENSSL_NO_CAMELLIA + BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n"); + BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n"); #endif BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n"); BIO_printf (bio_err, "-nosigs don't verify message signature\n"); @@ -468,13 +512,11 @@ int MAIN(int argc, char **argv) ret = 2; - if (operation != SMIME_SIGN) + if (!(operation & SMIME_SIGNERS)) flags &= ~PKCS7_DETACHED; if (operation & SMIME_OP) { - if (flags & PKCS7_BINARY) - inmode = "rb"; if (outformat == FORMAT_ASN1) outmode = "wb"; } @@ -482,9 +524,18 @@ int MAIN(int argc, char **argv) { if (flags & PKCS7_BINARY) outmode = "wb"; + } + + if (operation & SMIME_IP) + { if (informat == FORMAT_ASN1) inmode = "rb"; } + else + { + if (flags & PKCS7_BINARY) + inmode = "rb"; + } if (operation == SMIME_ENCRYPT) { @@ -514,26 +565,11 @@ int MAIN(int argc, char **argv) } } - if (signerfile && (operation == SMIME_SIGN)) - { - if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL, - e, "signer certificate"))) - { -#if 0 /* An appropri message has already been printed */ - BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile); -#endif - goto end; - } - } - if (certfile) { if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL, e, "certificate file"))) { -#if 0 /* An appropriate message has already been printed */ - BIO_printf(bio_err, "Can't read certificate file %s\n", certfile); -#endif ERR_print_errors(bio_err); goto end; } @@ -544,9 +580,6 @@ int MAIN(int argc, char **argv) if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL, e, "recipient certificate file"))) { -#if 0 /* An appropriate message has alrady been printed */ - BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile); -#endif ERR_print_errors(bio_err); goto end; } @@ -584,6 +617,36 @@ int MAIN(int argc, char **argv) else in = BIO_new_fp(stdin, BIO_NOCLOSE); + if (operation & SMIME_IP) + { + if (informat == FORMAT_SMIME) + p7 = SMIME_read_PKCS7(in, &indata); + else if (informat == FORMAT_PEM) + p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); + else if (informat == FORMAT_ASN1) + p7 = d2i_PKCS7_bio(in, NULL); + else + { + BIO_printf(bio_err, "Bad input format for PKCS#7 file\n"); + goto end; + } + + if (!p7) + { + BIO_printf(bio_err, "Error reading S/MIME message\n"); + goto end; + } + if (contfile) + { + BIO_free(indata); + if (!(indata = BIO_new_file(contfile, "rb"))) + { + BIO_printf(bio_err, "Can't read content file %s\n", contfile); + goto end; + } + } + } + if (outfile) { if (!(out = BIO_new_file(outfile, outmode))) @@ -608,7 +671,7 @@ int MAIN(int argc, char **argv) { if (!(store = setup_verify(bio_err, CAfile, CApath))) goto end; - X509_STORE_set_verify_cb_func(store, smime_cb); + X509_STORE_set_verify_cb(store, smime_cb); if (vpm) X509_STORE_set1_param(store, vpm); } @@ -617,21 +680,37 @@ int MAIN(int argc, char **argv) ret = 3; if (operation == SMIME_ENCRYPT) + { + if (indef) + flags |= PKCS7_STREAM; p7 = PKCS7_encrypt(encerts, in, cipher, flags); - else if (operation == SMIME_SIGN) + } + else if (operation & SMIME_SIGNERS) { int i; - /* If detached data and SMIME output enable partial - * signing. + /* If detached data content we only enable streaming if + * S/MIME output format. */ - if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME)) - flags |= PKCS7_STREAM; - flags |= PKCS7_PARTIAL; - p7 = PKCS7_sign(NULL, NULL, other, in, flags); - for (i = 0; i < sk_num(sksigners); i++) + if (operation == SMIME_SIGN) + { + if (flags & PKCS7_DETACHED) + { + if (outformat == FORMAT_SMIME) + flags |= PKCS7_STREAM; + } + else if (indef) + flags |= PKCS7_STREAM; + flags |= PKCS7_PARTIAL; + p7 = PKCS7_sign(NULL, NULL, other, in, flags); + if (!p7) + goto end; + } + else + flags |= PKCS7_REUSE_DIGEST; + for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { - signerfile = sk_value(sksigners, i); - keyfile = sk_value(skkeys, i); + signerfile = sk_OPENSSL_STRING_value(sksigners, i); + keyfile = sk_OPENSSL_STRING_value(skkeys, i); signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL, e, "signer certificate"); if (!signer) @@ -641,52 +720,18 @@ int MAIN(int argc, char **argv) if (!key) goto end; if (!PKCS7_sign_add_signer(p7, signer, key, - NULL, flags)) + sign_md, flags)) goto end; X509_free(signer); signer = NULL; EVP_PKEY_free(key); key = NULL; } - /* If not streaming finalize structure */ - if (!(flags & PKCS7_STREAM)) + /* If not streaming or resigning finalize structure */ + if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM)) { if (!PKCS7_final(p7, in, flags)) goto end; - if (BIO_reset(in) != 0) - { - BIO_puts(bio_err, "Can't rewind input file\n"); - goto end; - } - } - } - else - { - if (informat == FORMAT_SMIME) - p7 = SMIME_read_PKCS7(in, &indata); - else if (informat == FORMAT_PEM) - p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); - else if (informat == FORMAT_ASN1) - p7 = d2i_PKCS7_bio(in, NULL); - else - { - BIO_printf(bio_err, "Bad input format for PKCS#7 file\n"); - goto end; - } - - if (!p7) - { - BIO_printf(bio_err, "Error reading S/MIME message\n"); - goto end; - } - if (contfile) - { - BIO_free(indata); - if (!(indata = BIO_new_file(contfile, "rb"))) - { - BIO_printf(bio_err, "Can't read content file %s\n", contfile); - goto end; - } } } @@ -736,11 +781,16 @@ int MAIN(int argc, char **argv) if (subject) BIO_printf(out, "Subject: %s\n", subject); if (outformat == FORMAT_SMIME) - SMIME_write_PKCS7(out, p7, in, flags); + { + if (operation == SMIME_RESIGN) + SMIME_write_PKCS7(out, p7, indata, flags); + else + SMIME_write_PKCS7(out, p7, in, flags); + } else if (outformat == FORMAT_PEM) - PEM_write_bio_PKCS7(out,p7); + PEM_write_bio_PKCS7_stream(out, p7, in, flags); else if (outformat == FORMAT_ASN1) - i2d_PKCS7_bio(out,p7); + i2d_PKCS7_bio_stream(out,p7, in, flags); else { BIO_printf(bio_err, "Bad output format for PKCS#7 file\n"); @@ -757,9 +807,9 @@ end: if (vpm) X509_VERIFY_PARAM_free(vpm); if (sksigners) - sk_free(sksigners); + sk_OPENSSL_STRING_free(sksigners); if (skkeys) - sk_free(skkeys); + sk_OPENSSL_STRING_free(skkeys); X509_STORE_free(store); X509_free(cert); X509_free(recip);