diff options
author | Dr. Stephen Henson <steve@openssl.org> | 1999-03-28 23:17:34 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 1999-03-28 23:17:34 +0000 |
commit | 8d8c7266d4de9887fb0190a0770df9dc254a16a3 (patch) | |
tree | 53266f3f48875973f3c7f96abf912c5084155a23 /crypto/pkcs12/p12_kiss.c | |
parent | cfcefcbe2aff81c1735c788ca6ae26b7c16cc453 (diff) |
Yet more PKCS#12 integration: add lots of files under crypto/pkcs12 and add
them to the build environment.
Diffstat (limited to 'crypto/pkcs12/p12_kiss.c')
-rw-r--r-- | crypto/pkcs12/p12_kiss.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/crypto/pkcs12/p12_kiss.c b/crypto/pkcs12/p12_kiss.c new file mode 100644 index 0000000000..947e47644b --- /dev/null +++ b/crypto/pkcs12/p12_kiss.c @@ -0,0 +1,269 @@ +/* p12_kiss.c */ +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL + * project 1999. + */ +/* ==================================================================== + * Copyright (c) 1999 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pem.h> +#include <err.h> +#include <x509.h> +#include "pkcs12.h" + +/* Simplified PKCS#12 routines */ + +#ifndef NOPROTO +static int parse_pk12( PKCS12 *p12, unsigned char *pass, int passlen, EVP_PKEY **pkey, X509 **cert, STACK **ca); +static int parse_bags( STACK *bags, unsigned char *pass, int passlen, EVP_PKEY **pkey, X509 **cert, STACK **ca, ASN1_OCTET_STRING **keyid, char *keymatch); +static int parse_bag( PKCS12_SAFEBAG *bag, unsigned char *pass, int passlen, EVP_PKEY **pkey, X509 **cert, STACK **ca, ASN1_OCTET_STRING **keyid, char *keymatch); +#else +static int parse_pk12(); +static int parse_bags(); +static int parse_bag(); +#endif + +/* Parse and decrypt a PKCS#12 structure returning user key, user cert + * and other (CA) certs. Note either ca should be NULL, *ca should be NULL, + * or it should point to a valid STACK structure. pkey and cert can be + * passed unitialised. + */ + +int PKCS12_parse (p12, pass, pkey, cert, ca) +PKCS12 *p12; +char *pass; +EVP_PKEY **pkey; +X509 **cert; +STACK **ca; +{ + +/* Check for NULL PKCS12 structure */ + +if(!p12) { + PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_INVALID_NULL_PKCS12_POINTER); + return 0; +} + +/* Allocate stack for ca certificates if needed */ +if ((ca != NULL) && (*ca == NULL)) { + if (!(*ca = sk_new(NULL))) { + PKCS12err(PKCS12_F_PKCS12_PARSE,ERR_R_MALLOC_FAILURE); + return 0; + } +} + +if(pkey) *pkey = NULL; +if(cert) *cert = NULL; + +/* Check the mac */ + +if (!PKCS12_verify_mac (p12, pass, -1)) { + PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_MAC_VERIFY_FAILURE); + goto err; +} + +if (!parse_pk12 (p12, pass, -1, pkey, cert, ca)) { + PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_PARSE_ERROR); + goto err; +} + +return 1; + +err: + +if (pkey && *pkey) EVP_PKEY_free (*pkey); +if (cert && *cert) X509_free (*cert); +if (ca) sk_pop_free (*ca, X509_free); +return 0; + +} + +/* Parse the outer PKCS#12 structure */ + +static int parse_pk12 (p12, pass, passlen, pkey, cert, ca) +PKCS12 *p12; +unsigned char *pass; +int passlen; +EVP_PKEY **pkey; +X509 **cert; +STACK **ca; +{ + STACK *asafes, *bags; + int i, bagnid; + PKCS7 *p7; + ASN1_OCTET_STRING *keyid = NULL; + char keymatch = 0; + if (!( asafes = M_PKCS12_unpack_authsafes (p12))) return 0; + for (i = 0; i < sk_num (asafes); i++) { + p7 = (PKCS7 *) sk_value (asafes, i); + bagnid = OBJ_obj2nid (p7->type); + if (bagnid == NID_pkcs7_data) { + bags = M_PKCS12_unpack_p7data (p7); + } else if (bagnid == NID_pkcs7_encrypted) { + bags = M_PKCS12_unpack_p7encdata (p7, pass, passlen); + } else continue; + if (!bags) { + sk_pop_free (asafes, PKCS7_free); + return 0; + } + if (!parse_bags (bags, pass, passlen, pkey, cert, ca, + &keyid, &keymatch)) { + sk_pop_free (bags, PKCS12_SAFEBAG_free); + sk_pop_free (asafes, PKCS7_free); + return 0; + } + sk_pop_free (bags, PKCS12_SAFEBAG_free); + } + sk_pop_free (asafes, PKCS7_free); + if (keyid) ASN1_OCTET_STRING_free (keyid); + return 1; +} + + +static int parse_bags (bags, pass, passlen, pkey, cert, ca, keyid, keymatch) +STACK *bags; +unsigned char *pass; +int passlen; +EVP_PKEY **pkey; +X509 **cert; +STACK **ca; +ASN1_OCTET_STRING **keyid; +char *keymatch; +{ + int i; + for (i = 0; i < sk_num (bags); i++) { + if (!parse_bag ((PKCS12_SAFEBAG *)sk_value (bags, i), + pass, passlen, pkey, cert, ca, keyid, + keymatch)) return 0; + } + return 1; +} + +#define MATCH_KEY 0x1 +#define MATCH_CERT 0x2 +#define MATCH_ALL 0x3 + +static int parse_bag (bag, pass, passlen, pkey, cert, ca, keyid, keymatch) +PKCS12_SAFEBAG *bag; +unsigned char *pass; +int passlen; +EVP_PKEY **pkey; +X509 **cert; +STACK **ca; +ASN1_OCTET_STRING **keyid; +char *keymatch; +{ + PKCS8_PRIV_KEY_INFO *p8; + X509 *x509; + ASN1_OCTET_STRING *lkey = NULL; + ASN1_TYPE *attrib; + + + if ((attrib = PKCS12_get_attr (bag, NID_localKeyID))) + lkey = attrib->value.octet_string; + + /* Check for any local key id matching (if needed) */ + if (lkey && ((*keymatch & MATCH_ALL) != MATCH_ALL)) { + if (*keyid) { + if (ASN1_OCTET_STRING_cmp (*keyid, lkey)) lkey = NULL; + } else { + if (!(*keyid = ASN1_OCTET_STRING_dup (lkey))) { + PKCS12err(PKCS12_F_PARSE_BAGS,ERR_R_MALLOC_FAILURE); + return 0; + } + } + } + + switch (M_PKCS12_bag_type(bag)) + { + case NID_keyBag: + if (!lkey || !pkey) return 1; + if (!(*pkey = EVP_PKCS82PKEY (bag->value.keybag))) return 0; + *keymatch |= MATCH_KEY; + break; + + case NID_pkcs8ShroudedKeyBag: + if (!lkey || !pkey) return 1; + if (!(p8 = M_PKCS12_decrypt_skey (bag, pass, passlen))) + return 0; + *pkey = EVP_PKCS82PKEY (p8); + PKCS8_PRIV_KEY_INFO_free (p8); + if (!(*pkey)) return 0; + *keymatch |= MATCH_KEY; + break; + + case NID_certBag: + if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate ) + return 1; + if (!(x509 = M_PKCS12_certbag2x509(bag))) return 0; + if (lkey) { + *keymatch |= MATCH_CERT; + if (cert) *cert = x509; + } else if (ca) sk_push (*ca, (char *)x509); + break; + + case NID_safeContentsBag: + return parse_bags(bag->value.safes, pass, passlen, + pkey, cert, ca, keyid, keymatch); + break; + + default: + return 1; + break; + } + return 1; +} + |