/* * ==================================================================== * 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). * */ /* * Copyright 2003 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include #include #include #include #include #include #include #include #include "p12lib.h" /* * OpenSSL provides a framework for pushing error codes onto a stack. * When an error occurs, the consumer may use the framework to * pop the errors off the stack and provide a trace of where the * errors occurred. * * Our PKCS12 code plugs into this framework by calling * ERR_load_SUNW_strings(). To push an error (which by the way, consists * of a function code and an error code) onto the stack our PKCS12 code * calls SUNWerr(). * * Consumers of our PKCS12 code can then call the OpenSSL error routines * when an error occurs and retrieve the stack of errors. */ #ifndef OPENSSL_NO_ERR /* Function codes and their matching strings */ static ERR_STRING_DATA SUNW_str_functs[] = { { ERR_PACK(0, SUNW_F_USE_X509CERT, 0), "sunw_use_x509cert" }, { ERR_PACK(0, SUNW_F_USE_PKEY, 0), "sunw_use_pkey" }, { ERR_PACK(0, SUNW_F_USE_TASTORE, 0), "sunw_use_tastore" }, { ERR_PACK(0, SUNW_F_USE_CERTFILE, 0), "sunw_p12_use_certfile" }, { ERR_PACK(0, SUNW_F_USE_KEYFILE, 0), "sunw_p12_use_keyfile" }, { ERR_PACK(0, SUNW_F_USE_TRUSTFILE, 0), "sunw_p12_use_trustfile" }, { ERR_PACK(0, SUNW_F_READ_FILE, 0), "p12_read_file" }, { ERR_PACK(0, SUNW_F_DOPARSE, 0), "p12_doparse" }, { ERR_PACK(0, SUNW_F_PKCS12_PARSE, 0), "sunw_PKCS12_parse" }, { ERR_PACK(0, SUNW_F_PKCS12_CONTENTS, 0), "sunw_PKCS12_contents" }, { ERR_PACK(0, SUNW_F_PARSE_ONE_BAG, 0), "parse_one_bag" }, { ERR_PACK(0, SUNW_F_PKCS12_CREATE, 0), "sunw_PKCS12_create" }, { ERR_PACK(0, SUNW_F_SPLIT_CERTS, 0), "sunw_split_certs" }, { ERR_PACK(0, SUNW_F_FIND_LOCALKEYID, 0), "sunw_find_localkeyid" }, { ERR_PACK(0, SUNW_F_SET_LOCALKEYID, 0), "sunw_set_localkeyid" }, { ERR_PACK(0, SUNW_F_GET_LOCALKEYID, 0), "sunw_get_localkeyid" }, { ERR_PACK(0, SUNW_F_SET_FNAME, 0), "sunw_set_fname" }, { ERR_PACK(0, SUNW_F_GET_PKEY_FNAME, 0), "sunw_get_pkey_fname" }, { ERR_PACK(0, SUNW_F_APPEND_KEYS, 0), "sunw_append_keys" }, { ERR_PACK(0, SUNW_F_PEM_CONTENTS, 0), "sunw_PEM_contents" }, { ERR_PACK(0, SUNW_F_PEM_INFO, 0), "pem_info" }, { ERR_PACK(0, SUNW_F_ASC2BMPSTRING, 0), "asc2bmpstring" }, { ERR_PACK(0, SUNW_F_UTF82ASCSTR, 0), "utf82ascstr" }, { ERR_PACK(0, SUNW_F_FINDATTR, 0), "findattr" }, { ERR_PACK(0, SUNW_F_TYPE2ATTRIB, 0), "type2attrib" }, { ERR_PACK(0, SUNW_F_MOVE_CERTS, 0), "move_certs" }, { ERR_PACK(0, SUNW_F_FIND_FNAME, 0), "sunw_find_fname" }, { ERR_PACK(0, SUNW_F_PARSE_OUTER, 0), "parse_outer" }, { ERR_PACK(0, SUNW_F_CHECKFILE, 0), "checkfile" }, { 0, NULL } }; /* Error codes and their matching strings */ static ERR_STRING_DATA SUNW_str_reasons[] = { { SUNW_R_INVALID_ARG, "invalid argument" }, { SUNW_R_MEMORY_FAILURE, "memory failure" }, { SUNW_R_MAC_VERIFY_FAILURE, "mac verify failure" }, { SUNW_R_MAC_CREATE_FAILURE, "mac create failure" }, { SUNW_R_BAD_FILETYPE, "bad file type" }, { SUNW_R_BAD_PKEY, "bad or missing private key" }, { SUNW_R_BAD_PKEYTYPE, "unsupported key type" }, { SUNW_R_PKEY_READ_ERR, "unable to read private key" }, { SUNW_R_NO_TRUST_ANCHOR, "no trust anchors found" }, { SUNW_R_READ_TRUST_ERR, "unable to read trust anchor" }, { SUNW_R_ADD_TRUST_ERR, "unable to add trust anchor" }, { SUNW_R_PKCS12_PARSE_ERR, "PKCS12 parse error" }, { SUNW_R_PKCS12_CREATE_ERR, "PKCS12 create error" }, { SUNW_R_BAD_CERTTYPE, "unsupported certificate type" }, { SUNW_R_PARSE_CERT_ERR, "error parsing PKCS12 certificate" }, { SUNW_R_PARSE_BAG_ERR, "error parsing PKCS12 bag" }, { SUNW_R_MAKE_BAG_ERR, "error making PKCS12 bag" }, { SUNW_R_BAD_LKID, "bad localKeyID format" }, { SUNW_R_SET_LKID_ERR, "error setting localKeyID" }, { SUNW_R_BAD_FNAME, "bad friendlyName format" }, { SUNW_R_SET_FNAME_ERR, "error setting friendlyName" }, { SUNW_R_BAD_TRUST, "bad or missing trust anchor" }, { SUNW_R_BAD_BAGTYPE, "unsupported bag type" }, { SUNW_R_CERT_ERR, "certificate error" }, { SUNW_R_PKEY_ERR, "private key error" }, { SUNW_R_READ_ERR, "error reading file" }, { SUNW_R_ADD_ATTR_ERR, "error adding attribute" }, { SUNW_R_STR_CONVERT_ERR, "error converting string" }, { SUNW_R_PKCS12_EMPTY_ERR, "empty PKCS12 structure" }, { SUNW_R_PASSWORD_ERR, "bad password" }, { 0, NULL } }; /* * The library name that our module will be known as. This name * may be retrieved via OpenSSLs error APIs. */ static ERR_STRING_DATA SUNW_lib_name[] = { { 0, SUNW_LIB_NAME }, { 0, NULL } }; #endif /* * The value of this variable (initialized by a call to * ERR_load_SUNW_strings()) is what identifies our errors * to OpenSSL as being ours. */ static int SUNW_lib_error_code = 0; /* local routines */ static int parse_pkcs12(PKCS12 *, const char *, int, char *, int, char *, EVP_PKEY **, X509 **, STACK_OF(X509) **); static int pem_info(FILE *, pem_password_cb, void *, STACK_OF(EVP_PKEY) **, STACK_OF(X509) **); static int parse_outer(PKCS12 *, const char *, STACK_OF(EVP_PKEY) *, STACK_OF(X509) *); static int parse_all_bags(STACK_OF(PKCS12_SAFEBAG) *, const char *, STACK_OF(EVP_PKEY) *, STACK_OF(X509) *); static int parse_one_bag(PKCS12_SAFEBAG *, const char *, STACK_OF(EVP_PKEY) *, STACK_OF(X509) *); static X509_ATTRIBUTE *type2attrib(ASN1_TYPE *, int); static ASN1_TYPE *attrib2type(X509_ATTRIBUTE *); static uchar_t *utf82ascstr(ASN1_UTF8STRING *); static ASN1_BMPSTRING *asc2bmpstring(const char *, int); static int find_attr_by_nid(STACK_OF(X509_ATTRIBUTE) *, int); static int find_attr(int, ASN1_STRING *, STACK_OF(EVP_PKEY) *, EVP_PKEY **, STACK_OF(X509) *, X509 **); static chk_errs_t check_time(chk_actions_t, X509 *); static int get_key_cert(int, STACK_OF(EVP_PKEY) *, EVP_PKEY **, STACK_OF(X509) *, X509 **cert); static int move_certs(STACK_OF(X509) *, STACK_OF(X509) *); static int sunw_append_keys(STACK_OF(EVP_PKEY) *, STACK_OF(EVP_PKEY) *); static int set_results(STACK_OF(EVP_PKEY) **, STACK_OF(EVP_PKEY) **, STACK_OF(X509) **, STACK_OF(X509) **, STACK_OF(X509) **, STACK_OF(X509) **, STACK_OF(EVP_PKEY) **, STACK_OF(EVP_PKEY) **); /* * ---------------------------------------------------------------------------- * Public routines * ---------------------------------------------------------------------------- */ /* * sunw_PKCS12_parse - Parse a PKCS12 structure and break it into its parts. * * Parse and decrypt a PKCS#12 structure returning user key, user cert and/or * other (CA) certs. Note either ca should be NULL, *ca should be NULL, * or it should point to a valid STACK_OF(X509) structure. pkey and cert can * be passed uninitialized. * * Arguments: * p12 - Structure with pkcs12 info to be parsed * pass - Pass phrase for the private key (possibly empty) or NULL if * there is none. * matchty - Info about which certs/keys to return if many are in the file. * keyid - If private key localkeyids friendlynames are to match a * predetermined value, the value to match. This value should * be an octet string. * keyid_len- Length of the keyid byte string. * name_str - If friendlynames are to match a predetermined value, the value * to match. This value should be a NULL terminated string. * pkey - Points to location pointing to the private key returned. * cert - Points to locaiton which points to the client cert returned * ca - Points to location that points to a stack of 'certificate * authority' certs/trust anchors. * * Match based on the value of 'matchty' and the contents of 'keyid' * and/or 'name_str', as appropriate. Go through the lists of certs and * private keys which were taken from the pkcs12 structure, looking for * matches of the requested type. This function only searches the lists of * matching private keys and client certificates. Kinds of matches allowed, * and the order in which they will be checked, are: * * 1) Find the key and/or cert whose localkeyid attributes matches * 'keyid'. * 2) Find the key and/or cert whose friendlyname attributes matches * 'name_str' * 3) Return the first matching key/cert pair found. * 4) Return the last matching key/cert pair found. * 5) Return whatever cert and/or key are available, even unmatching. * * Append to the CA list, the certs which do not have matching private * keys and which were not selected. * * If none of the bits are set, no client certs or private keys will be * returned. CA (aka trust anchor) certs can be. * * Notes: If #3 is selected, then #4 will never occur. CA certs will be * selected after a cert/key pairs are isolated. * * Returns: * < 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * >= 0 - Objects were found and returned. Which objects are indicated by * which bits are set (FOUND_PKEY, FOUND_CERT, FOUND_CA_CERTS). */ int sunw_PKCS12_parse(PKCS12 *p12, const char *pass, int matchty, char *keyid, int keyid_len, char *name_str, EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca) { boolean_t ca_supplied; int retval = -1; /* If NULL PKCS12 structure, this is an error */ if (p12 == NULL) { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_INVALID_ARG); return (-1); } /* Set up arguments.... These will be allocated if needed */ if (pkey) *pkey = NULL; if (cert) *cert = NULL; /* * If there is already a ca list, use it. Otherwise, allocate one * and free is later if an error occurs or whatever.) */ ca_supplied = (ca != NULL && *ca != NULL); if (ca != NULL && *ca == NULL) { if ((*ca = sk_X509_new_null()) == NULL) { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_MEMORY_FAILURE); return (-1); } } /* * If password is zero length or NULL then try verifying both cases * to determine which password is correct. The reason for this is that * under PKCS#12 password based encryption no password and a zero * length password are two different things. If the password has a * non-zero length and is not NULL then call PKCS12_verify_mac() with * a length of '-1' and let it use strlen() to figure out the length * of the password. */ /* Check the mac */ if (pass == NULL || *pass == '\0') { if (PKCS12_verify_mac(p12, NULL, 0)) pass = NULL; else if (PKCS12_verify_mac(p12, "", 0)) pass = ""; else { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_MAC_VERIFY_FAILURE); goto err; } } else if (PKCS12_verify_mac(p12, pass, -1) == 0) { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_MAC_VERIFY_FAILURE); goto err; } retval = parse_pkcs12(p12, pass, matchty, keyid, keyid_len, name_str, pkey, cert, ca); if (retval < 0) { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_PKCS12_PARSE_ERR); goto err; } return (retval); err: if (pkey && *pkey) { sunw_evp_pkey_free(*pkey); } if (cert && *cert) X509_free(*cert); if (ca_supplied == B_FALSE && ca != NULL) sk_X509_pop_free(*ca, X509_free); return (-1); } /* * sunw_PEM_contents() parses a PEM file and returns component parts found * * Parse and decrypt a PEM file, returning any user keys and certs. * * There are some limits to this function. It will ignore the following: * - certificates identified by "TRUSTED CERTIFICATE" * - CERTIFICATE REQUEST and NEW CERTIFICATE REQUEST records. * - X509 CRL * - DH PARAMETERS * - DSA PARAMETERS * - Any PUBLIC KEY * - PKCS7 * - PRIVATE KEY or ENCRYPTED PRIVATE KEY (PKCS 8) * * Arguments: * fp - File pointer for file containing PEM data. * pass - Pass phrase for the private key or NULL if there is none. * pkeys - Points to address of a stack of private keys to return. * certs - Points to address of a stack of client certs to return. * * The pointers to stacks should either be NULL or their contents should * either be NULL or should point to a valid STACK_OF(X509) structure. * If the stacks contain information, corresponding information from the * file will be appended to the original contents. * * Note: Client certs and and their matching private keys will be in any * order. * * Certs which have no matching private key are assumed to be ca certs. * * Returns: * < 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * >= 0 - Objects were found and returned. Which objects are indicated by * which bits are set (FOUND_PKEY, FOUND_CERT) */ int sunw_PEM_contents(FILE *fp, pem_password_cb *cb, void *userdata, STACK_OF(EVP_PKEY) **pkey, STACK_OF(X509) **certs) { STACK_OF(EVP_PKEY) *work_kl = NULL; STACK_OF(X509) *work_ca = NULL; int retval = -1; /* * Allocate the working stacks for private key and for the * ca certs. */ if ((work_kl = sk_EVP_PKEY_new_null()) == NULL) { SUNWerr(SUNW_F_PEM_CONTENTS, SUNW_R_MEMORY_FAILURE); goto cleanup; } if ((work_ca = sk_X509_new_null()) == NULL) { SUNWerr(SUNW_F_PEM_CONTENTS, SUNW_R_MEMORY_FAILURE); goto cleanup; } /* Error strings are set within the following. */ if (pem_info(fp, cb, userdata, &work_kl, &work_ca) <= 0) { goto cleanup; } /* on error, set_results() returns an error on the stack */ retval = set_results(pkey, &work_kl, certs, &work_ca, NULL, NULL, NULL, NULL); cleanup: if (work_kl != NULL) { sk_EVP_PKEY_pop_free(work_kl, sunw_evp_pkey_free); } if (work_ca != NULL) sk_X509_pop_free(work_ca, X509_free); return (retval); } /* * sunw_PKCS12_contents() parses a pkcs#12 structure and returns component * parts found, without evaluation. * * Parse and decrypt a PKCS#12 structure returning any user keys and/or * various certs. Note these should either be NULL, *whatever should * be NULL, or it should point to a valid STACK_OF(X509) structure. * * Arguments: * p12 - Structure with pkcs12 info to be parsed * pass - Pass phrase for the private key and entire pkcs12 wad (possibly * empty) or NULL if there is none. * pkeys - Points to address of a stack of private keys to return. * certs - Points to address of a stack of client certs return. * * Note: The certs and keys being returned are in random order. * * Returns: * < 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * >= 0 - Objects were found and returned. Which objects are indicated by * which bits are set (FOUND_PKEY or FOUND_CERT) */ int sunw_PKCS12_contents(PKCS12 *p12, const char *pass, STACK_OF(EVP_PKEY) **pkey, STACK_OF(X509) **certs) { STACK_OF(EVP_PKEY) *work_kl = NULL; STACK_OF(X509) *work_ca = NULL; int retval = -1; /* * Allocate the working stacks for private key and for the * ca certs. */ if ((work_kl = sk_EVP_PKEY_new_null()) == NULL) { SUNWerr(SUNW_F_PKCS12_CONTENTS, SUNW_R_MEMORY_FAILURE); goto cleanup; } if ((work_ca = sk_X509_new_null()) == NULL) { SUNWerr(SUNW_F_PKCS12_CONTENTS, SUNW_R_MEMORY_FAILURE); goto cleanup; } if (parse_outer(p12, pass, work_kl, work_ca) == 0) { /* * Error already on stack */ goto cleanup; } /* on error, set_results() returns an error on the stack */ retval = set_results(pkey, &work_kl, certs, &work_ca, NULL, NULL, NULL, NULL); cleanup: if (work_kl != NULL) { sk_EVP_PKEY_pop_free(work_kl, sunw_evp_pkey_free); } return (retval); } /* * sunw_split_certs() - Given a list of certs and a list of private keys, * moves certs which match one of the keys to a different stack. * * Arguments: * allkeys - Points to a stack of private keys to search. * allcerts - Points to a stack of certs to be searched. * keycerts - Points to address of a stack of certs with matching private * keys. They are moved from 'allcerts'. This may not be NULL * when called. If *keycerts is NULL upon entry, a new stack will * be allocated. Otherwise, it must be a valid STACK_OF(509). * nocerts - Points to address of a stack for keys which have no matching * certs. Keys are moved from 'allkeys' here when they have no * matching certs. If this is NULL, matchless keys will be * discarded. * * Notes: If an error occurs while moving certs, the cert being move may be * lost. 'keycerts' may only contain part of the matching certs. The number * of certs successfully moved can be found by checking sk_X509_num(keycerts). * * If there is a key which does not have a matching cert, it is moved to * the list nocerts. * * If all certs are removed from 'certs' and/or 'pkeys', it will be the * caller's responsibility to free the empty stacks. * * Returns: * < 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * >= 0 - The number of certs moved from 'cert' to 'pkcerts'. */ int sunw_split_certs(STACK_OF(EVP_PKEY) *allkeys, STACK_OF(X509) *allcerts, STACK_OF(X509) **keycerts, STACK_OF(EVP_PKEY) **nocerts) { STACK_OF(X509) *matching; STACK_OF(EVP_PKEY) *nomatch; EVP_PKEY *tmpkey; X509 *tmpcert; int count = 0; int found; int res; int i; int k; *keycerts = NULL; if (nocerts != NULL) *nocerts = NULL; nomatch = NULL; if ((matching = sk_X509_new_null()) == NULL) { SUNWerr(SUNW_F_SPLIT_CERTS, SUNW_R_MEMORY_FAILURE); return (-1); } *keycerts = matching; k = 0; while (k < sk_EVP_PKEY_num(allkeys)) { found = 0; tmpkey = sk_EVP_PKEY_value(allkeys, k); for (i = 0; i < sk_X509_num(allcerts); i++) { tmpcert = sk_X509_value(allcerts, i); res = X509_check_private_key(tmpcert, tmpkey); if (res != 0) { count++; found = 1; tmpcert = sk_X509_delete(allcerts, i); if (sk_X509_push(matching, tmpcert) == 0) { X509_free(tmpcert); SUNWerr(SUNW_F_SPLIT_CERTS, SUNW_R_MEMORY_FAILURE); return (-1); } break; } } if (found != 0) { /* * Found a match - keep the key & check out the next * one. */ k++; } else { /* * No cert matching this key. Move the key if * possible or discard it. Don't increment the * index. */ if (nocerts == NULL) { tmpkey = sk_EVP_PKEY_delete(allkeys, k); sunw_evp_pkey_free(tmpkey); } else { if (*nocerts == NULL) { nomatch = sk_EVP_PKEY_new_null(); if (nomatch == NULL) { SUNWerr(SUNW_F_SPLIT_CERTS, SUNW_R_MEMORY_FAILURE); return (-1); } *nocerts = nomatch; } tmpkey = sk_EVP_PKEY_delete(allkeys, k); if (sk_EVP_PKEY_push(nomatch, tmpkey) == 0) { sunw_evp_pkey_free(tmpkey); SUNWerr(SUNW_F_SPLIT_CERTS, SUNW_R_MEMORY_FAILURE); return (-1); } } } } return (count); } /* * sunw_PKCS12_create() creates a pkcs#12 structure and given component parts. * * Given one or more of user private key, user cert and/or other (CA) certs, * return an encrypted PKCS12 structure containing them. * * Arguments: * pass - Pass phrase for the pkcs12 structure and private key (possibly * empty) or NULL if there is none. It will be used to encrypt * both the private key(s) and as the pass phrase for the whole * pkcs12 wad. * pkeys - Points to stack of private keys. * certs - Points to stack of client (public ke) certs * cacerts - Points to stack of 'certificate authority' certs (or trust * anchors). * * Note that any of these may be NULL. * * Returns: * NULL - An error occurred. * != NULL - Address of PKCS12 structure. The user is responsible for * freeing the memory when done. */ PKCS12 * sunw_PKCS12_create(const char *pass, STACK_OF(EVP_PKEY) *pkeys, STACK_OF(X509) *certs, STACK_OF(X509) *cacerts) { int nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC; int nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; STACK_OF(PKCS12_SAFEBAG) *bags = NULL; STACK_OF(PKCS7) *safes = NULL; PKCS12_SAFEBAG *bag = NULL; PKCS8_PRIV_KEY_INFO *p8 = NULL; EVP_PKEY *pkey = NULL; PKCS12 *ret_p12 = NULL; PKCS12 *p12 = NULL; PKCS7 *authsafe = NULL; X509 *cert = NULL; uchar_t *str = NULL; int certs_there = 0; int keys_there = 0; int len; int i; if ((safes = sk_PKCS7_new_null()) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); return (NULL); } if ((bags = sk_PKCS12_SAFEBAG_new_null()) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); goto err_ret; } if (certs != NULL && sk_X509_num(certs) > 0) { for (i = 0; i < sk_X509_num(certs); i++) { cert = sk_X509_value(certs, i); /* Add user certificate */ if ((bag = M_PKCS12_x5092certbag(cert)) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_CERT_ERR); goto err_ret; } if (cert->aux != NULL && cert->aux->alias != NULL && cert->aux->alias->type == V_ASN1_UTF8STRING) { str = utf82ascstr(cert->aux->alias); if (str == NULL) { /* * Error already on stack */ goto err_ret; } if (PKCS12_add_friendlyname_asc(bag, (char const *) str, strlen((char const *) str)) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_ADD_ATTR_ERR); goto err_ret; } } if (cert->aux != NULL && cert->aux->keyid != NULL && cert->aux->keyid->type == V_ASN1_OCTET_STRING) { str = cert->aux->keyid->data; len = cert->aux->keyid->length; if (str != NULL && PKCS12_add_localkeyid(bag, str, len) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_ADD_ATTR_ERR); goto err_ret; } } if (sk_PKCS12_SAFEBAG_push(bags, bag) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); goto err_ret; } certs_there++; bag = NULL; } } if (cacerts != NULL && sk_X509_num(cacerts) > 0) { /* Put all certs in structure */ for (i = 0; i < sk_X509_num(cacerts); i++) { cert = sk_X509_value(cacerts, i); if ((bag = M_PKCS12_x5092certbag(cert)) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_CERT_ERR); goto err_ret; } if (cert->aux != NULL && cert->aux->alias != NULL && cert->aux->alias->type == V_ASN1_UTF8STRING) { str = utf82ascstr(cert->aux->alias); if (str == NULL) { /* * Error already on stack */ goto err_ret; } if (PKCS12_add_friendlyname_asc( bag, (char const *) str, strlen((char const *) str)) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_ADD_ATTR_ERR); goto err_ret; } } if (cert->aux != NULL && cert->aux->keyid != NULL && cert->aux->keyid->type == V_ASN1_OCTET_STRING) { str = cert->aux->keyid->data; len = cert->aux->keyid->length; if (str != NULL && PKCS12_add_localkeyid(bag, str, len) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_ADD_ATTR_ERR); goto err_ret; } } if (sk_PKCS12_SAFEBAG_push(bags, bag) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); goto err_ret; } certs_there++; bag = NULL; } } if (certs != NULL || cacerts != NULL && certs_there) { /* Turn certbags into encrypted authsafe */ authsafe = PKCS12_pack_p7encdata(nid_cert, pass, -1, NULL, 0, PKCS12_DEFAULT_ITER, bags); if (authsafe == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_CERT_ERR); goto err_ret; } sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); bags = NULL; if (sk_PKCS7_push(safes, authsafe) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); goto err_ret; } authsafe = NULL; } if (pkeys != NULL && sk_EVP_PKEY_num(pkeys) > 0) { if (bags == NULL && (bags = sk_PKCS12_SAFEBAG_new_null()) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); goto err_ret; } for (i = 0; i < sk_EVP_PKEY_num(pkeys); i++) { pkey = sk_EVP_PKEY_value(pkeys, i); /* Make a shrouded key bag */ if ((p8 = EVP_PKEY2PKCS8(pkey)) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_PKEY_ERR); goto err_ret; } bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, PKCS12_DEFAULT_ITER, p8); if (bag == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MAKE_BAG_ERR); goto err_ret; } PKCS8_PRIV_KEY_INFO_free(p8); p8 = NULL; len = sunw_get_pkey_fname(GETDO_COPY, pkey, (char **)&str); if (str != NULL) { if (PKCS12_add_friendlyname_asc(bag, (const char *)str, len) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_ADD_ATTR_ERR); goto err_ret; } } str = NULL; len = sunw_get_pkey_localkeyid(GETDO_COPY, pkey, (char **)&str, &len); if (str != NULL) { if (PKCS12_add_localkeyid(bag, str, len) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_ADD_ATTR_ERR); goto err_ret; } } str = NULL; if (sk_PKCS12_SAFEBAG_push(bags, bag) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); goto err_ret; } keys_there++; bag = NULL; } if (keys_there) { /* Turn into unencrypted authsafe */ authsafe = PKCS12_pack_p7data(bags); if (authsafe == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_PKCS12_CREATE_ERR); goto err_ret; } sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); bags = NULL; if (sk_PKCS7_push(safes, authsafe) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MEMORY_FAILURE); } authsafe = NULL; } } if (certs_there == 0 && keys_there == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_PKCS12_EMPTY_ERR); goto err_ret; } if ((p12 = PKCS12_init(NID_pkcs7_data)) == NULL) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_PKCS12_CREATE_ERR); goto err_ret; } /* * Note that safes is copied by the following. Therefore, it needs * to be freed whether or not the following succeeds. */ if (M_PKCS12_pack_authsafes(p12, safes) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_PKCS12_CREATE_ERR); goto err_ret; } if (PKCS12_set_mac(p12, pass, -1, NULL, 0, 2048, NULL) == 0) { SUNWerr(SUNW_F_PKCS12_CREATE, SUNW_R_MAC_CREATE_FAILURE); goto err_ret; } ret_p12 = p12; p12 = NULL; /* Fallthrough is intentional */ err_ret: if (str != NULL) free(str); if (p8 != NULL) PKCS8_PRIV_KEY_INFO_free(p8); if (bag != NULL) PKCS12_SAFEBAG_free(bag); if (bags != NULL) sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); if (authsafe != NULL) PKCS7_free(authsafe); if (safes != NULL) sk_PKCS7_pop_free(safes, PKCS7_free); if (p12 != NULL) PKCS12_free(p12); return (ret_p12); } /* * sunw_evp_pkey_free() Given an EVP_PKEY structure, free any attributes * that are attached. Then free the EVP_PKEY itself. * * This is a replacement for EVP_PKEY_free() for the sunw stuff. * It should be used in places where EVP_PKEY_free would be used, * including calls to sk_EVP_PKEY_pop_free(). * * Arguments: * pkey - Entry which potentially has attributes to be freed. * * Returns: * None. */ void sunw_evp_pkey_free(EVP_PKEY *pkey) { if (pkey != NULL) { if (pkey->attributes != NULL) { sk_X509_ATTRIBUTE_pop_free(pkey->attributes, X509_ATTRIBUTE_free); pkey->attributes = NULL; } EVP_PKEY_free(pkey); } } /* * sunw_set_localkeyid() sets the localkeyid in a cert, a private key or * both. Any existing localkeyid will be discarded. * * Arguments: * keyid_str- A byte string with the localkeyid to set * keyid_len- Length of the keyid byte string. * pkey - Points to a private key to set the keyidstr in. * cert - Points to a cert to set the keyidstr in. * * Note that setting a keyid into a cert which will not be written out as * a PKCS12 cert is pointless since it will be lost. * * Returns: * 0 - Success. * < 0 - An error occurred. It was probably an error in allocating * memory. The error will be set in the error stack. Call * ERR_get_error() to get specific information. */ int sunw_set_localkeyid(const char *keyid_str, int keyid_len, EVP_PKEY *pkey, X509 *cert) { X509_ATTRIBUTE *attr = NULL; ASN1_STRING *str = NULL; ASN1_TYPE *keyid = NULL; int retval = -1; int i; if (cert != NULL) { if (X509_keyid_set1(cert, (uchar_t *)keyid_str, keyid_len) == 0) { SUNWerr(SUNW_F_SET_LOCALKEYID, SUNW_R_SET_LKID_ERR); goto cleanup; } } if (pkey != NULL) { str = (ASN1_STRING *)M_ASN1_OCTET_STRING_new(); if (str == NULL || M_ASN1_OCTET_STRING_set(str, keyid_str, keyid_len) == 0 || (keyid = ASN1_TYPE_new()) == NULL) { SUNWerr(SUNW_F_SET_LOCALKEYID, SUNW_R_MEMORY_FAILURE); goto cleanup; } ASN1_TYPE_set(keyid, V_ASN1_OCTET_STRING, str); str = NULL; attr = type2attrib(keyid, NID_localKeyID); if (attr == NULL) { /* * Error already on stack */ goto cleanup; } keyid = NULL; if (pkey->attributes == NULL) { pkey->attributes = sk_X509_ATTRIBUTE_new_null(); if (pkey->attributes == NULL) { SUNWerr(SUNW_F_SET_LOCALKEYID, SUNW_R_MEMORY_FAILURE); goto cleanup; } } else { i = find_attr_by_nid(pkey->attributes, NID_localKeyID); if (i >= 0) sk_X509_ATTRIBUTE_delete(pkey->attributes, i); } if (sk_X509_ATTRIBUTE_push(pkey->attributes, attr) == 0) { SUNWerr(SUNW_F_SET_LOCALKEYID, SUNW_R_MEMORY_FAILURE); goto cleanup; } attr = NULL; } retval = 0; cleanup: if (str != NULL) ASN1_STRING_free(str); if (keyid != NULL) ASN1_TYPE_free(keyid); if (attr != NULL) X509_ATTRIBUTE_free(attr); return (retval); } /* * sunw_get_pkey_localkeyid() gets the localkeyid from a private key. It can * optionally remove the value found. * * Arguments: * dowhat - What to do with the attributes (remove them or copy them). * pkey - Points to a private key to set the keyidstr in. * keyid_str- Points to a location which will receive the pointer to * a byte string containing the binary localkeyid. Note that * this is a copy, and the caller must free it. * keyid_len- Length of keyid_str. * * Returns: * >= 0 - The number of characters in the keyid returned. * < 0 - An error occurred. It was probably an error in allocating * memory. The error will be set in the error stack. Call * ERR_get_error() to get specific information. */ int sunw_get_pkey_localkeyid(getdo_actions_t dowhat, EVP_PKEY *pkey, char **keyid_str, int *keyid_len) { X509_ATTRIBUTE *attr = NULL; ASN1_OCTET_STRING *str = NULL; ASN1_TYPE *ty = NULL; int len = 0; int i; if (keyid_str != NULL) *keyid_str = NULL; if (keyid_len != NULL) *keyid_len = 0; if (pkey == NULL || pkey->attributes == NULL) { return (0); } if ((i = find_attr_by_nid(pkey->attributes, NID_localKeyID)) < 0) { return (0); } attr = sk_X509_ATTRIBUTE_value(pkey->attributes, i); if ((ty = attrib2type(attr)) == NULL || ty->type != V_ASN1_OCTET_STRING) { return (0); } if (dowhat == GETDO_DEL) { attr = sk_X509_ATTRIBUTE_delete(pkey->attributes, i); if (attr != NULL) X509_ATTRIBUTE_free(attr); return (0); } str = ty->value.octet_string; len = str->length; if ((*keyid_str = malloc(len)) == NULL) { SUNWerr(SUNW_F_GET_LOCALKEYID, SUNW_R_MEMORY_FAILURE); return (-1); } (void) memcpy(*keyid_str, str->data, len); *keyid_len = len; return (len); } /* * sunw_get_pkey_fname() gets the friendlyName from a private key. It can * optionally remove the value found. * * Arguments: * dowhat - What to do with the attributes (remove them or copy them). * pkey - Points to a private key to get the frientlyname from * fname - Points to a location which will receive the pointer to a * byte string with the ASCII friendlyname * * Returns: * >= 0 - The number of characters in the frienlyname returned. * < 0 - An error occurred. It was probably an error in allocating * memory. The error will be set in the error stack. Call * ERR_get_error() to get specific information. */ int sunw_get_pkey_fname(getdo_actions_t dowhat, EVP_PKEY *pkey, char **fname) { X509_ATTRIBUTE *attr = NULL; ASN1_BMPSTRING *str = NULL; ASN1_TYPE *ty = NULL; int len = 0; int i; if (fname != NULL) *fname = NULL; if (pkey == NULL || pkey->attributes == NULL) { return (0); } if ((i = find_attr_by_nid(pkey->attributes, NID_friendlyName)) < 0) { return (0); } attr = sk_X509_ATTRIBUTE_value(pkey->attributes, i); if ((ty = attrib2type(attr)) == NULL || ty->type != V_ASN1_BMPSTRING) { return (0); } if (dowhat == GETDO_DEL) { attr = sk_X509_ATTRIBUTE_delete(pkey->attributes, i); if (attr != NULL) X509_ATTRIBUTE_free(attr); return (0); } str = ty->value.bmpstring; *fname = uni2asc(str->data, str->length); if (*fname == NULL) { SUNWerr(SUNW_F_GET_PKEY_FNAME, SUNW_R_MEMORY_FAILURE); return (-1); } len = strlen(*fname); return (len); } /* * sunw_find_localkeyid() searches stacks of certs and private keys, * and returns the first matching cert/private key found. * * Look for a keyid in a stack of certs. if 'certs' is NULL and 'pkeys' is * not NULL, search the list of private keys. Move the matching cert to * 'matching_cert' and its matching private key to 'matching_pkey'. If no * cert or keys match, no match occurred. * * Arguments: * keyid_str- A byte string with the localkeyid to match * keyid_len- Length of the keyid byte string. * pkeys - Points to a stack of private keys which match the certs. * This may be NULL, in which case no keys are returned. * certs - Points to a stack of certs to search. If NULL, search the * stack of keys instead. * matching_pkey * - Pointer to receive address of first matching pkey found. * 'matching_pkey' must not be NULL; '*matching_pkey' will be * reset. * matching_cert * - Pointer to receive address of first matching cert found. * 'matching_cert' must not be NULL; '*matching_cert' will be * reset. * * Returns: * < 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * >= 0 - Objects were found and returned. Which objects are indicated by * which bits are set (FOUND_PKEY and/or FOUND_CERT). */ int sunw_find_localkeyid(char *keyid_str, int len, STACK_OF(EVP_PKEY) *pkeys, STACK_OF(X509) *certs, EVP_PKEY **matching_pkey, X509 **matching_cert) { ASN1_STRING *cmpstr = NULL; EVP_PKEY *tmp_pkey = NULL; X509 *tmp_cert = NULL; int retval = 0; /* If NULL arguments, this is an error */ if (keyid_str == NULL || (pkeys == NULL || certs == NULL) || (pkeys != NULL && matching_pkey == NULL) || (certs != NULL && matching_cert == NULL)) { SUNWerr(SUNW_F_FIND_LOCALKEYID, SUNW_R_INVALID_ARG); return (-1); } if (matching_pkey != NULL) *matching_pkey = NULL; if (matching_cert != NULL) *matching_cert = NULL; cmpstr = (ASN1_STRING *)M_ASN1_OCTET_STRING_new(); if (cmpstr == NULL || M_ASN1_OCTET_STRING_set(cmpstr, keyid_str, len) == 0) { SUNWerr(SUNW_F_FIND_LOCALKEYID, SUNW_R_MEMORY_FAILURE); return (-1); } retval = find_attr(NID_localKeyID, cmpstr, pkeys, &tmp_pkey, certs, &tmp_cert); if (retval == 0) { ASN1_STRING_free(cmpstr); return (retval); } if (matching_pkey != NULL) *matching_pkey = tmp_pkey; if (matching_cert != NULL) *matching_cert = tmp_cert; return (retval); } /* * sunw_find_fname() searches stacks of certs and private keys for one with * a matching friendlyname and returns the first matching cert/private * key found. * * Look for a friendlyname in a stack of certs. if 'certs' is NULL and 'pkeys' * is not NULL, search the list of private keys. Move the matching cert to * 'matching_cert' and its matching private key to 'matching_pkey'. If no * cert or keys match, no match occurred. * * Arguments: * fname - Friendlyname to find (NULL-terminated ASCII string). * pkeys - Points to a stack of private keys which match the certs. * This may be NULL, in which case no keys are returned. * certs - Points to a stack of certs to search. If NULL, search the * stack of keys instead. * matching_pkey * - Pointer to receive address of first matching pkey found. * matching_cert * - Pointer to receive address of first matching cert found. * * Returns: * < 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * >= 0 - Objects were found and returned. Which objects are indicated by * which bits are set (FOUND_PKEY and/or FOUND_CERT). */ int sunw_find_fname(char *fname, STACK_OF(EVP_PKEY) *pkeys, STACK_OF(X509) *certs, EVP_PKEY **matching_pkey, X509 ** matching_cert) { ASN1_STRING *cmpstr = NULL; EVP_PKEY *tmp_pkey = NULL; X509 *tmp_cert = NULL; int retval = 0; /* If NULL arguments, this is an error */ if (fname == NULL || (pkeys == NULL && certs == NULL) || (pkeys != NULL && matching_pkey == NULL) || (certs != NULL && matching_cert == NULL)) { SUNWerr(SUNW_F_FIND_FNAME, SUNW_R_INVALID_ARG); return (-1); } if (matching_pkey != NULL) *matching_pkey = NULL; if (matching_cert != NULL) *matching_cert = NULL; cmpstr = (ASN1_STRING *)asc2bmpstring(fname, strlen(fname)); if (cmpstr == NULL) { /* * Error already on stack */ return (-1); } retval = find_attr(NID_friendlyName, cmpstr, pkeys, &tmp_pkey, certs, &tmp_cert); if (retval == 0) { ASN1_STRING_free(cmpstr); return (retval); } if (matching_pkey != NULL) *matching_pkey = tmp_pkey; if (matching_cert != NULL) *matching_cert = tmp_cert; return (retval); } /* * sunw_get_cert_fname() gets the fiendlyname from a cert. It can * optionally remove the value found. * * Arguments: * dowhat - What to do with the attributes (remove them or copy them). * cert - Points to a cert to get the friendlyName from. * fname - Points to a location which will receive the pointer to a * byte string with the ASCII friendlyname * * Returns: * >= 0 - The number of characters in the friendlyname returned. * < 0 - An error occurred. It was probably an error in allocating * memory. The error will be set in the error stack. Call * ERR_get_error() to get specific information. */ int sunw_get_cert_fname(getdo_actions_t dowhat, X509 *cert, char **fname) { int len; if (fname != NULL) *fname = NULL; if (cert == NULL || cert->aux == NULL || cert->aux->alias == NULL) { return (0); } if (dowhat == GETDO_DEL) { /* Delete the entry */ ASN1_UTF8STRING_free(cert->aux->alias); cert->aux->alias = NULL; return (0); } *((uchar_t **)fname) = utf82ascstr(cert->aux->alias); if (*fname == NULL) { /* * Error already on stack */ return (-1); } len = strlen(*fname); return (len); } /* * sunw_set_fname() sets the friendlyName in a cert, a private key or * both. Any existing friendlyname will be discarded. * * Arguments: * ascname - An ASCII string with the friendlyName to set * pkey - Points to a private key to set the fname in. * cert - Points to a cert to set the fname in. * * Note that setting a friendlyName into a cert which will not be written out * as a PKCS12 cert is pointless since it will be lost. * * Returns: * 0 - Success. * <0 - An error occurred. It was probably an error in allocating * memory. The error will be set in the error stack. Call * ERR_get_error() to get specific information. */ int sunw_set_fname(const char *ascname, EVP_PKEY *pkey, X509 *cert) { X509_ATTRIBUTE *attr = NULL; ASN1_BMPSTRING *str = NULL; ASN1_TYPE *fname = NULL; unsigned char *data = NULL; int retval = -1; int len; int i; str = asc2bmpstring(ascname, strlen(ascname)); if (str == NULL) { /* * Error already on stack */ return (-1); } if (cert != NULL) { if (cert->aux != NULL && cert->aux->alias != NULL) { ASN1_UTF8STRING_free(cert->aux->alias); } len = ASN1_STRING_to_UTF8(&data, str); i = -23; if (len <= 0 || (i = X509_alias_set1(cert, data, len)) == 0) { SUNWerr(SUNW_F_SET_FNAME, SUNW_R_SET_FNAME_ERR); goto cleanup; } } if (pkey != NULL) { if ((fname = ASN1_TYPE_new()) == NULL) { SUNWerr(SUNW_F_SET_FNAME, SUNW_R_MEMORY_FAILURE); goto cleanup; } ASN1_TYPE_set(fname, V_ASN1_BMPSTRING, str); str = NULL; attr = type2attrib(fname, NID_friendlyName); if (attr == NULL) { /* * Error already on stack */ goto cleanup; } fname = NULL; if (pkey->attributes == NULL) { pkey->attributes = sk_X509_ATTRIBUTE_new_null(); if (pkey->attributes == NULL) { SUNWerr(SUNW_F_SET_FNAME, SUNW_R_MEMORY_FAILURE); goto cleanup; } } else if ((i = find_attr_by_nid(pkey->attributes, NID_friendlyName)) >= 0) { (void) sk_X509_ATTRIBUTE_delete(pkey->attributes, i); } if (sk_X509_ATTRIBUTE_push(pkey->attributes, attr) == 0) { SUNWerr(SUNW_F_SET_FNAME, SUNW_R_MEMORY_FAILURE); goto cleanup; } attr = NULL; } retval = 0; cleanup: if (data != NULL) OPENSSL_free(data); if (str != NULL) ASN1_BMPSTRING_free(str); if (fname != NULL) ASN1_TYPE_free(fname); if (attr != NULL) X509_ATTRIBUTE_free(attr); return (retval); } /* * sunw_check_keys() compares the public key in the certificate and a * private key to ensure that they match. * * Arguments: * cert - Points to a certificate. * pkey - Points to a private key. * * Returns: * == 0 - These do not match. * != 0 - The cert's public key and the private key match. */ int sunw_check_keys(X509 *cert, EVP_PKEY *pkey) { int retval = 0; if (pkey != NULL && cert != NULL) retval = X509_check_private_key(cert, pkey); return (retval); } /* * sunw_check_cert_times() compares the time fields in a certificate * * Compare the 'not before' and the 'not after' times in the cert * to the current time. Return the results of the comparison (bad time formats, * cert not yet in force, cert expired or in range) * * Arguments: * dowhat - what field(s) to check. * cert - Points to a cert to check * * Returns: * Results of the comparison. */ chk_errs_t sunw_check_cert_times(chk_actions_t chkwhat, X509 *cert) { return (check_time(chkwhat, cert)); } /* * ---------------------------------------------------------------------------- * Local routines * ---------------------------------------------------------------------------- */ /* * parse_pkcs12 - Oversee parsing of the pkcs12 structure. Get it * parsed. After that either return what's found directly, or * do any required matching. * * Arguments: * p12 - Structure with pkcs12 info to be parsed * pass - Pass phrase for the private key (possibly empty) or NULL if * there is none. * matchty - Info about which certs/keys to return if many are in the file. * keyid - If private key localkeyids friendlynames are to match a * predetermined value, the value to match. This value should * be an octet string. * keyid_len- Length of the keyid byte string. * name_str - If friendlynames are to match a predetermined value, the value * to match. This value should be a NULL terminated string. * pkey - Points to location pointing to the private key returned. * cert - Points to locaiton which points to the client cert returned * ca - Points to location that points to a stack of 'certificate * authority' certs/trust anchors. * * Note about error codes: This function is an internal function, and the * place where it is called sets error codes. Therefore only set an error * code if it is something that is unique or if the function which detected * the error doesn't set one. * * Returns: * == -1 - An error occurred. Call ERR_get_error() to get error information. * Where possible, memory has been freed. * == 0 - No matching returns were found. * > 0 - This is the aithmetic 'or' of the FOUND_* bits that indicate which * of the requested entries were found. */ static int parse_pkcs12(PKCS12 *p12, const char *pass, int matchty, char *keyid, int kstr_len, char *name_str, EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca) { STACK_OF(EVP_PKEY) *work_kl = NULL; /* Head for private key list */ STACK_OF(EVP_PKEY) *nocerts = NULL; /* Head for alt. key list */ STACK_OF(X509) *work_ca = NULL; /* Head for cert list */ STACK_OF(X509) *work_cl = NULL; int retval = 0; int n; retval = sunw_PKCS12_contents(p12, pass, &work_kl, &work_ca); if (retval < 0) { goto cleanup; } else if (retval == 0) { /* * Not really an error here - its just that nothing was found. */ goto cleanup; } if (sk_EVP_PKEY_num(work_kl) > 0) { if (sunw_split_certs(work_kl, work_ca, &work_cl, &nocerts) < 0) { goto cleanup; } } /* * Go through the lists of certs and private keys which were * returned, looking for matches of the appropriate type. Do these * in the order described above. */ if ((matchty & DO_FIND_KEYID) != 0) { if (keyid == NULL) { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_INVALID_ARG); retval = -1; goto cleanup; } /* See if string matches localkeyid's */ retval = sunw_find_localkeyid(keyid, kstr_len, work_kl, work_cl, pkey, cert); if (retval != 0) { if (retval == -1) goto cleanup; else goto last_part; } } if ((matchty & DO_FIND_FN) != 0) { if (name_str == NULL) { SUNWerr(SUNW_F_PKCS12_PARSE, SUNW_R_INVALID_ARG); retval = -1; goto cleanup; } /* See if string matches friendly names */ retval = sunw_find_fname(name_str, work_kl, work_cl, pkey, cert); if (retval != 0) { if (retval == -1) goto cleanup; else goto last_part; } } if (matchty & DO_FIRST_PAIR) { /* Find the first cert and private key and return them */ retval = get_key_cert(0, work_kl, pkey, work_cl, cert); if (retval != 0) { if (retval == -1) goto cleanup; else goto last_part; } } if (matchty & DO_LAST_PAIR) { /* * Find the last matching cert and private key and return * them. Since keys which don't have matching client certs * are at the end of the list of keys, use the number of * client certs to compute the position of the last private * key which matches a client cert. */ n = sk_X509_num(work_cl) - 1; retval = get_key_cert(n, work_kl, pkey, work_cl, cert); if (retval != 0) { if (retval == -1) goto cleanup; else goto last_part; } } if (matchty & DO_UNMATCHING) { STACK_OF(EVP_PKEY) *tmpk; STACK_OF(X509) *tmpc; /* Find the first cert and private key and return them */ tmpc = work_cl; if (work_cl == NULL || sk_X509_num(work_cl) == 0) tmpc = work_ca; tmpk = work_kl; if (work_kl == NULL || sk_EVP_PKEY_num(work_kl) == 0) tmpk = nocerts; retval = get_key_cert(0, tmpk, pkey, tmpc, cert); if (retval != 0) { if (retval == -1) goto cleanup; else goto last_part; } } last_part: /* If no errors, terminate normally */ if (retval != -1) retval |= set_results(NULL, NULL, NULL, NULL, ca, &work_ca, NULL, NULL); if (retval >= 0) { goto clean_part; } /* Fallthrough is intentional in error cases. */ cleanup: if (pkey != NULL && *pkey != NULL) { sunw_evp_pkey_free(*pkey); *pkey = NULL; } if (cert != NULL && *cert != NULL) { X509_free(*cert); *cert = NULL; } clean_part: if (work_kl != NULL) { sk_EVP_PKEY_pop_free(work_kl, sunw_evp_pkey_free); } if (work_ca != NULL) sk_X509_pop_free(work_ca, X509_free); if (work_cl != NULL) sk_X509_pop_free(work_cl, X509_free); return (retval); } /* * parse_outer - Unpack the outer PKCS#12 structure and go through the * individual bags. Return stacks of certs, private keys found and * CA certs found. * * Note about error codes: This function is an internal function, and the * place where it is called sets error codes. * * Returns: * 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * 1 - PKCS12 data object was parsed and lists of certs and private keys * were returned. */ static int parse_outer(PKCS12 *p12, const char *pass, STACK_OF(EVP_PKEY) *kl, STACK_OF(X509) *cl) { STACK_OF(PKCS12_SAFEBAG) *bags; STACK_OF(PKCS7) *asafes; int i, bagnid; PKCS7 *p7; if ((asafes = M_PKCS12_unpack_authsafes(p12)) == NULL) return (0); for (i = 0; i < sk_PKCS7_num(asafes); i++) { p7 = sk_PKCS7_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) { /* * A length of '-1' means strlen() can be used * to determine the password length. */ bags = M_PKCS12_unpack_p7encdata(p7, pass, -1); } else { SUNWerr(SUNW_F_PARSE_OUTER, SUNW_R_BAD_BAGTYPE); return (0); } if (bags == NULL) { SUNWerr(SUNW_F_PARSE_OUTER, SUNW_R_PARSE_BAG_ERR); sk_PKCS7_pop_free(asafes, PKCS7_free); return (0); } if (parse_all_bags(bags, pass, kl, cl) == 0) { sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); sk_PKCS7_pop_free(asafes, PKCS7_free); return (0); } } return (1); } /* * parse_all_bags - go through the stack of bags, parsing each. * * Note about error codes: This function is an internal function, and the * place where it is called sets error codes. * * Returns: * 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * 1 - Stack of safebags was parsed and lists of certs and private keys * were returned. */ static int parse_all_bags(STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass, STACK_OF(EVP_PKEY) *kl, STACK_OF(X509) *cl) { int i; for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) { if (parse_one_bag(sk_PKCS12_SAFEBAG_value(bags, i), pass, kl, cl) == 0) return (0); } return (1); } /* * parse_one_bag - Parse an individual bag * * i = parse_one_bag(bag, pass, kl, cl); * * Arguments: * bag - pkcs12 safebag to parse. * pass - password for use in decryption of shrouded keybag * kl - Stack of private keys found so far. New private keys will * be added here if found. * cl - Stack of certs found so far. New certificates will be * added here if found. * * Returns: * 0 - An error returned. Call ERR_get_error() to get errors information. * Where possible, memory has been freed. * 1 - one safebag was parsed. If it contained a cert or private key, it * was added to the stack of certs or private keys found, respectively. * localKeyId or friendlyName attributes are returned with the * private key or certificate. */ static int parse_one_bag(PKCS12_SAFEBAG *bag, const char *pass, STACK_OF(EVP_PKEY) *kl, STACK_OF(X509) *cl) { X509_ATTRIBUTE *attr = NULL; ASN1_TYPE *keyid = NULL; ASN1_TYPE *fname = NULL; PKCS8_PRIV_KEY_INFO *p8; EVP_PKEY *pkey = NULL; X509 *x509 = NULL; uchar_t *data = NULL; char *str = NULL; int retval = 1; keyid = PKCS12_get_attr(bag, NID_localKeyID); fname = PKCS12_get_attr(bag, NID_friendlyName); switch (M_PKCS12_bag_type(bag)) { case NID_keyBag: if ((pkey = EVP_PKCS82PKEY(bag->value.keybag)) == NULL) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_PARSE_BAG_ERR); retval = 0; break; } break; case NID_pkcs8ShroudedKeyBag: /* * A length of '-1' means strlen() can be used * to determine the password length. */ if ((p8 = M_PKCS12_decrypt_skey(bag, pass, -1)) == NULL) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_PARSE_BAG_ERR); retval = 0; break; } pkey = EVP_PKCS82PKEY(p8); PKCS8_PRIV_KEY_INFO_free(p8); if (pkey == NULL) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_PARSE_BAG_ERR); retval = 0; } break; case NID_certBag: if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_BAD_CERTTYPE); break; } if ((x509 = M_PKCS12_certbag2x509(bag)) == NULL) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_PARSE_CERT_ERR); retval = 0; break; } if (keyid != NULL) { if (keyid->type != V_ASN1_OCTET_STRING) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_BAD_LKID); retval = 0; break; } if (X509_keyid_set1(x509, keyid->value.octet_string->data, keyid->value.octet_string->length) == 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_SET_LKID_ERR); retval = 0; break; } } if (fname != NULL) { ASN1_STRING *tmpstr = NULL; int len; if (fname->type != V_ASN1_BMPSTRING) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_BAD_FNAME); retval = 0; break; } tmpstr = fname->value.asn1_string; len = ASN1_STRING_to_UTF8(&data, tmpstr); if (len < 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_SET_FNAME_ERR); retval = 0; break; } if (X509_alias_set1(x509, data, len) == 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_SET_FNAME_ERR); retval = 0; break; } } if (sk_X509_push(cl, x509) == 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_MEMORY_FAILURE); retval = 0; break; } x509 = NULL; break; case NID_safeContentsBag: if (keyid != NULL) ASN1_TYPE_free(keyid); if (fname != NULL) ASN1_TYPE_free(fname); if (parse_all_bags(bag->value.safes, pass, kl, cl) == 0) { /* * Error already on stack */ return (0); } return (1); default: if (keyid != NULL) ASN1_TYPE_free(keyid); if (fname != NULL) ASN1_TYPE_free(fname); SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_BAD_BAGTYPE); return (0); } if (pkey != NULL) { if (retval != 0 && (keyid != NULL || fname != NULL) && pkey->attributes == NULL) { pkey->attributes = sk_X509_ATTRIBUTE_new_null(); if (pkey->attributes == NULL) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_MEMORY_FAILURE); retval = 0; } } if (retval != 0 && keyid != NULL) { attr = type2attrib(keyid, NID_localKeyID); if (attr == NULL) /* * Error already on stack */ retval = 0; else { keyid = NULL; if (sk_X509_ATTRIBUTE_push(pkey->attributes, attr) == 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_MEMORY_FAILURE); retval = 0; } else { attr = NULL; } } } if (retval != 0 && fname != NULL) { attr = type2attrib(fname, NID_friendlyName); if (attr == NULL) { /* * Error already on stack */ retval = 0; } else { fname = NULL; if (sk_X509_ATTRIBUTE_push(pkey->attributes, attr) == 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_MEMORY_FAILURE); retval = 0; } else { attr = NULL; } } } /* Save the private key */ if (retval != 0) { if (sk_EVP_PKEY_push(kl, pkey) == 0) { SUNWerr(SUNW_F_PARSE_ONE_BAG, SUNW_R_MEMORY_FAILURE); retval = 0; } else { pkey = NULL; } } } if (pkey != NULL) { sunw_evp_pkey_free(pkey); } if (x509 != NULL) X509_free(x509); if (keyid != NULL) ASN1_TYPE_free(keyid); if (fname != NULL) ASN1_TYPE_free(fname); if (attr != NULL) X509_ATTRIBUTE_free(attr); if (data != NULL) OPENSSL_free(data); if (str != NULL) OPENSSL_free(str); return (retval); } /* * This function uses the only function that reads PEM files, regardless of * the kinds of information included (private keys, public keys, cert requests, * certs). Other interfaces that read files require that the application * specifically know what kinds of things to read next, and call different * interfaces for the different kinds of entities. * * There is only one aspect of this function that's a bit problematic. * If it finds an encrypted private key, it does not decrypt it. It returns * the encrypted data and other information needed to decrypt it. The caller * must do the decryption. This function does the decoding. */ static int pem_info(FILE *fp, pem_password_cb cb, void *userdata, STACK_OF(EVP_PKEY) **pkeys, STACK_OF(X509) **certs) { STACK_OF(X509_INFO) *info; STACK_OF(EVP_PKEY) *work_kl; STACK_OF(X509) *work_cl; X509_INFO *x; int retval = 0; int i; info = PEM_X509_INFO_read(fp, NULL, cb, userdata); if (info == NULL) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_READ_ERR); return (-1); } /* * Allocate the working stacks for private key(s) and for the cert(s). */ if ((work_kl = sk_EVP_PKEY_new_null()) == NULL) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_MEMORY_FAILURE); retval = -1; goto cleanup; } if ((work_cl = sk_X509_new_null()) == NULL) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_MEMORY_FAILURE); retval = -1; goto cleanup; } /* * Go through the entries in the info structure. */ for (i = 0; i < sk_X509_INFO_num(info); i++) { x = sk_X509_INFO_value(info, i); if (x->x509) { if (sk_X509_push(work_cl, x->x509) == 0) { retval = -1; break; } x->x509 = NULL; } if (x->x_pkey != NULL && x->x_pkey->dec_pkey != NULL && (x->x_pkey->dec_pkey->type == EVP_PKEY_RSA || x->x_pkey->dec_pkey->type == EVP_PKEY_DSA)) { const uchar_t *p; /* * If the key was encrypted, PEM_X509_INFO_read does * not decrypt it. If that is the case, the 'enc_pkey' * field is set to point to the unencrypted key data. * Go through the additional steps to decode it before * going on. */ if (x->x_pkey->enc_pkey != NULL) { if (PEM_do_header(&x->enc_cipher, (uchar_t *)x->enc_data, (long *)&x->enc_len, cb, userdata) == 0) { if (ERR_GET_REASON(ERR_peek_error()) == PEM_R_BAD_PASSWORD_READ) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_PASSWORD_ERR); } else { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_PKEY_READ_ERR); } retval = -1; break; } if (x->x_pkey->dec_pkey->type == EVP_PKEY_RSA) { RSA **pp; pp = &(x->x_pkey->dec_pkey->pkey.rsa); p = (uchar_t *)x->enc_data; if (d2i_RSAPrivateKey(pp, &p, x->enc_len) == NULL) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_PKEY_READ_ERR); retval = -1; break; } } else { DSA **pp; pp = &(x->x_pkey->dec_pkey->pkey.dsa); p = (uchar_t *)x->enc_data; if (d2i_DSAPrivateKey(pp, &p, x->enc_len) == NULL) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_PKEY_READ_ERR); retval = -1; break; } } } /* Save the key. */ retval = sk_EVP_PKEY_push(work_kl, x->x_pkey->dec_pkey); if (retval == 0) { retval = -1; break; } x->x_pkey->dec_pkey = NULL; } else if (x->x_pkey != NULL) { SUNWerr(SUNW_F_PEM_INFO, SUNW_R_BAD_PKEYTYPE); retval = -1; break; } } if (retval == -1) goto cleanup; /* If error occurs, then error already on stack */ retval = set_results(pkeys, &work_kl, certs, &work_cl, NULL, NULL, NULL, NULL); cleanup: if (work_kl != NULL) { sk_EVP_PKEY_pop_free(work_kl, sunw_evp_pkey_free); } if (work_cl != NULL) sk_X509_pop_free(work_cl, X509_free); sk_X509_INFO_pop_free(info, X509_INFO_free); return (retval); } /* * sunw_append_keys - Given two stacks of private keys, remove the keys from * the second stack and append them to the first. Both stacks must exist * at time of call. * * Arguments: * dst - the stack to receive the keys from 'src' * src - the stack whose keys are to be moved. * * Returns: * -1 - An error occurred. The error status is set. * >= 0 - The number of keys that were copied. */ static int sunw_append_keys(STACK_OF(EVP_PKEY) *dst, STACK_OF(EVP_PKEY) *src) { EVP_PKEY *tmpk; int count = 0; while (sk_EVP_PKEY_num(src) > 0) { tmpk = sk_EVP_PKEY_delete(src, 0); if (sk_EVP_PKEY_push(dst, tmpk) == 0) { sunw_evp_pkey_free(tmpk); SUNWerr(SUNW_F_APPEND_KEYS, SUNW_R_MEMORY_FAILURE); return (-1); } count ++; } return (count); } /* * move_certs - Given two stacks of certs, remove the certs from * the second stack and append them to the first. * * Arguments: * dst - the stack to receive the certs from 'src' * src - the stack whose certs are to be moved. * * Returns: * -1 - An error occurred. The error status is set. * >= 0 - The number of certs that were copied. */ static int move_certs(STACK_OF(X509) *dst, STACK_OF(X509) *src) { X509 *tmpc; int count = 0; while (sk_X509_num(src) > 0) { tmpc = sk_X509_delete(src, 0); if (sk_X509_push(dst, tmpc) == 0) { X509_free(tmpc); SUNWerr(SUNW_F_MOVE_CERTS, SUNW_R_MEMORY_FAILURE); return (-1); } count++; } return (count); } /* * get_key_cert - Get a cert and its matching key from the stacks of certs * and keys. They are removed from the stacks. * * Arguments: * n - Offset of the entries to return. * kl - Points to a stack of private keys that matches the list of * certs below. * pkey - Points at location where the address of the matching private * key will be stored. * cl - Points to a stack of client certs with matching private keys. * cert - Points to locaiton where the address of the matching client cert * will be returned * * The assumption is that the stacks of keys and certs contain key/cert pairs, * with entries in the same order and hence at the same offset. Provided * the key and cert selected match, each will be removed from its stack and * returned. * * A stack of certs can be passed in without a stack of private keys, and vise * versa. In that case, the indicated key/cert will be returned. * * Returns: * 0 - No matches were found. * > 0 - Bits set based on FOUND_* definitions, indicating what is returned. * This can be FOUND_PKEY, FOUND_CERT or (FOUND_PKEY | FOUND_CERT). */ static int get_key_cert(int n, STACK_OF(EVP_PKEY) *kl, EVP_PKEY **pkey, STACK_OF(X509) *cl, X509 **cert) { int retval = 0; int nk; int nc; nk = (kl != NULL) ? sk_EVP_PKEY_num(kl) : 0; nc = (cl != NULL) ? sk_X509_num(cl) : 0; if (pkey != NULL && *pkey == NULL) { if (nk > 0 && n >= 0 || n < nk) { *pkey = sk_EVP_PKEY_delete(kl, n); if (*pkey != NULL) retval |= FOUND_PKEY; } } if (cert != NULL && *cert == NULL) { if (nc > 0 && n >= 0 && n < nc) { *cert = sk_X509_delete(cl, n); if (*cert != NULL) retval |= FOUND_CERT; } } return (retval); } /* * asc2bmpstring - Convert a regular C ASCII string to an ASn1_STRING in * ASN1_BMPSTRING format. * * Arguments: * str - String to be convered. * len - Length of the string. * * Returns: * == NULL - An error occurred. Error information (accessible by * ERR_get_error()) is set. * != NULL - Points to an ASN1_BMPSTRING structure with the converted * string as a value. */ static ASN1_BMPSTRING * asc2bmpstring(const char *str, int len) { ASN1_BMPSTRING *bmp = NULL; uchar_t *uni = NULL; int unilen; /* Convert the character to the bmp format. */ if (asc2uni(str, len, &uni, &unilen) == 0) { SUNWerr(SUNW_F_ASC2BMPSTRING, SUNW_R_MEMORY_FAILURE); return (NULL); } /* * Adjust for possible pair of NULL bytes at the end because * asc2uni() returns a doubly null terminated string. */ if (uni[unilen - 1] == '\0' && uni[unilen - 2] == '\0') unilen -= 2; /* Construct comparison string with correct format */ bmp = M_ASN1_BMPSTRING_new(); if (bmp == NULL) { SUNWerr(SUNW_F_ASC2BMPSTRING, SUNW_R_MEMORY_FAILURE); OPENSSL_free(uni); return (NULL); } bmp->data = uni; bmp->length = unilen; return (bmp); } /* * utf82ascstr - Convert a UTF8STRING string to a regular C ASCII string. * This goes through an intermediate step with a ASN1_STRING type of * IA5STRING (International Alphabet 5, which is the same as ASCII). * * Arguments: * str - UTF8STRING to be converted. * * Returns: * == NULL - An error occurred. Error information (accessible by * ERR_get_error()) is set. * != NULL - Points to a NULL-termianted ASCII string. The caller must * free it. */ static uchar_t * utf82ascstr(ASN1_UTF8STRING *ustr) { ASN1_STRING tmpstr; ASN1_STRING *astr = &tmpstr; uchar_t *retstr = NULL; int mbflag; int ret; if (ustr == NULL || ustr->type != V_ASN1_UTF8STRING) { SUNWerr(SUNW_F_UTF82ASCSTR, SUNW_R_INVALID_ARG); return (NULL); } mbflag = MBSTRING_ASC; tmpstr.data = NULL; tmpstr.length = 0; ret = ASN1_mbstring_copy(&astr, ustr->data, ustr->length, mbflag, B_ASN1_IA5STRING); if (ret < 0) { SUNWerr(SUNW_F_UTF82ASCSTR, SUNW_R_STR_CONVERT_ERR); return (NULL); } retstr = OPENSSL_malloc(astr->length + 1); if (retstr == NULL) { SUNWerr(SUNW_F_UTF82ASCSTR, SUNW_R_MEMORY_FAILURE); return (NULL); } (void) memcpy(retstr, astr->data, astr->length); retstr[astr->length] = '\0'; OPENSSL_free(astr->data); return (retstr); } /* * type2attrib - Given a ASN1_TYPE, return a X509_ATTRIBUTE of the type * specified by the given NID. * * Arguments: * ty - Type structure to be made into an attribute * nid - NID of the attribute * * Returns: * NULL An error occurred. * != NULL An X509_ATTRIBUTE structure. */ X509_ATTRIBUTE * type2attrib(ASN1_TYPE *ty, int nid) { X509_ATTRIBUTE *a; if ((a = X509_ATTRIBUTE_new()) == NULL || (a->value.set = sk_ASN1_TYPE_new_null()) == NULL || sk_ASN1_TYPE_push(a->value.set, ty) == 0) { if (a != NULL) X509_ATTRIBUTE_free(a); SUNWerr(SUNW_F_TYPE2ATTRIB, SUNW_R_MEMORY_FAILURE); return (NULL); } a->single = 0; a->object = OBJ_nid2obj(nid); return (a); } /* * attrib2type - Given a X509_ATTRIBUTE, return pointer to the ASN1_TYPE * component * * Arguments: * attr - Attribute structure containing a type. * * Returns: * NULL An error occurred. * != NULL An ASN1_TYPE structure. */ static ASN1_TYPE * attrib2type(X509_ATTRIBUTE *attr) { ASN1_TYPE *ty = NULL; if (attr == NULL || attr->single == 1) return (NULL); if (sk_ASN1_TYPE_num(attr->value.set) > 0) ty = sk_ASN1_TYPE_value(attr->value.set, 0); return (ty); } /* * find_attr_by_nid - Given a ASN1_TYPE, return the offset of a X509_ATTRIBUTE * of the type specified by the given NID. * * Arguments: * attrs - Stack of attributes to search * nid - NID of the attribute being searched for * * Returns: * -1 None found * != -1 Offset of the matching attribute. */ static int find_attr_by_nid(STACK_OF(X509_ATTRIBUTE) *attrs, int nid) { X509_ATTRIBUTE *a; int i; if (attrs == NULL) return (-1); for (i = 0; i < sk_X509_ATTRIBUTE_num(attrs); i++) { a = sk_X509_ATTRIBUTE_value(attrs, i); if (OBJ_obj2nid(a->object) == nid) return (i); } return (-1); } /* * Called by our PKCS12 code to read our function and error codes * into memory so that the OpenSSL framework can retrieve them. */ void ERR_load_SUNW_strings(void) { assert(SUNW_lib_error_code == 0); #ifndef OPENSSL_NO_ERR /* * Have OpenSSL provide us with a unique ID. */ SUNW_lib_error_code = ERR_get_next_error_library(); ERR_load_strings(SUNW_lib_error_code, SUNW_str_functs); ERR_load_strings(SUNW_lib_error_code, SUNW_str_reasons); SUNW_lib_name->error = ERR_PACK(SUNW_lib_error_code, 0, 0); ERR_load_strings(0, SUNW_lib_name); #endif } /* * The SUNWerr macro resolves to this routine. So when we need * to push an error, this routine does it for us. Notice that * the SUNWerr macro provides a filename and line #. */ void ERR_SUNW_error(int function, int reason, char *file, int line) { assert(SUNW_lib_error_code != 0); #ifndef OPENSSL_NO_ERR ERR_PUT_error(SUNW_lib_error_code, function, reason, file, line); #endif } /* * check_time - Given an indication of the which time(s) to check, check * that time or those times against the current time and return the * relationship. * * Arguments: * chkwhat - What kind of check to do. * cert - The cert to check. * * Returns: * CHKERR_* values. */ static chk_errs_t check_time(chk_actions_t chkwhat, X509 *cert) { int i; if (chkwhat == CHK_NOT_BEFORE || chkwhat == CHK_BOTH) { i = X509_cmp_time(X509_get_notBefore(cert), NULL); if (i == 0) return (CHKERR_TIME_BEFORE_BAD); if (i > 0) return (CHKERR_TIME_IS_BEFORE); /* The current time is after the 'not before' time */ } if (chkwhat == CHK_NOT_AFTER || chkwhat == CHK_BOTH) { i = X509_cmp_time(X509_get_notAfter(cert), NULL); if (i == 0) return (CHKERR_TIME_AFTER_BAD); if (i < 0) return (CHKERR_TIME_HAS_EXPIRED); } return (CHKERR_TIME_OK); } /* * find_attr - Look for a given attribute of the type associated with the NID. * * Arguments: * nid - NID for the attribute to be found (either NID_friendlyName or * NID_locakKeyId) * str - ASN1_STRING-type structure containing the value to be found, * FriendlyName expects a ASN1_BMPSTRING and localKeyID uses a * ASN1_STRING. * kl - Points to a stack of private keys. * pkey - Points at a location where the address of the matching private * key will be stored. * cl - Points to a stack of client certs with matching private keys. * cert - Points to locaiton where the address of the matching client cert * will be returned * * This function is designed to process lists of certs and private keys. * This is made complex because these the attributes are stored differently * for certs and for keys. For certs, only a few attributes are retained. * FriendlyName is stored in the aux structure, under the name 'alias'. * LocalKeyId is also stored in the aux structure, under the name 'keyid'. * A pkey structure has a stack of attributes. * * The basic approach is: * - If there there is no stack of certs but a stack of private keys exists, * search the stack of keys for a match. Alternately, if there is a stack * of certs and no private keys, search the certs. * * - If there are both certs and keys, assume that the matching certs and * keys are in their respective stacks, with matching entries in the same * order. Search for the name or keyid in the stack of certs. If it is * not found, then this function returns 0 (nothing found). * * - Once a cert is found, verify that the key actually matches by * comparing the private key with the public key (in the cert). * If they don't match, return an error. * * A pointer to cert and/or pkey which matches the name or keyid is stored * in the return arguments. * * Returns: * 0 - No matches were found. * > 0 - Bits set based on FOUND_* definitions, indicating what was found. * This can be FOUND_PKEY, FOUND_CERT or (FOUND_PKEY | FOUND_CERT). */ static int find_attr(int nid, ASN1_STRING *str, STACK_OF(EVP_PKEY) *kl, EVP_PKEY **pkey, STACK_OF(X509) *cl, X509 **cert) { ASN1_UTF8STRING *ustr = NULL; ASN1_STRING *s; ASN1_TYPE *t; EVP_PKEY *p; uchar_t *fname = NULL; X509 *x; int found = 0; int chkcerts; int len; int res; int c = -1; int k = -1; chkcerts = (cert != NULL || pkey != NULL) && cl != NULL; if (chkcerts && nid == NID_friendlyName && str->type == V_ASN1_BMPSTRING) { ustr = ASN1_UTF8STRING_new(); if (ustr == NULL) { SUNWerr(SUNW_F_FINDATTR, SUNW_R_MEMORY_FAILURE); return (0); } len = ASN1_STRING_to_UTF8(&fname, str); if (fname == NULL) { ASN1_UTF8STRING_free(ustr); SUNWerr(SUNW_F_FINDATTR, SUNW_R_STR_CONVERT_ERR); return (0); } if (ASN1_STRING_set(ustr, fname, len) == 0) { ASN1_UTF8STRING_free(ustr); OPENSSL_free(fname); SUNWerr(SUNW_F_FINDATTR, SUNW_R_MEMORY_FAILURE); return (0); } } if (chkcerts) { for (c = 0; c < sk_X509_num(cl); c++) { res = -1; x = sk_X509_value(cl, c); if (nid == NID_friendlyName && ustr != NULL) { if (x->aux == NULL || x->aux->alias == NULL) continue; s = x->aux->alias; if (s != NULL && s->type == ustr->type && s->data != NULL) { res = ASN1_STRING_cmp(s, ustr); } } else { if (x->aux == NULL || x->aux->keyid == NULL) continue; s = x->aux->keyid; if (s != NULL && s->type == str->type && s->data != NULL) { res = ASN1_STRING_cmp(s, str); } } if (res == 0) { if (cert != NULL) *cert = sk_X509_delete(cl, c); found = FOUND_CERT; break; } } if (ustr != NULL) { ASN1_UTF8STRING_free(ustr); OPENSSL_free(fname); } } if (pkey != NULL && kl != NULL) { /* * Looking for pkey to match a cert? If so, assume that * lists of certs and their matching pkeys are in the same * order. Call X509_check_private_key() to verify this * assumption. */ if (found != 0 && cert != NULL) { k = c; p = sk_EVP_PKEY_value(kl, k); if (X509_check_private_key(x, p) != 0) { if (pkey != NULL) *pkey = sk_EVP_PKEY_delete(kl, k); found |= FOUND_PKEY; } } else if (cert == NULL) { for (k = 0; k < sk_EVP_PKEY_num(kl); k++) { p = sk_EVP_PKEY_value(kl, k); if (p == NULL || p->attributes == NULL) continue; t = PKCS12_get_attr_gen(p->attributes, nid); if (t != NULL || ASN1_STRING_cmp(str, t->value.asn1_string) == 0) continue; found |= FOUND_PKEY; if (pkey != NULL) *pkey = sk_EVP_PKEY_delete(kl, k); break; } } } return (found); } /* * set_results - Given two pointers to stacks of private keys, certs or CA * CA certs, either copy the second stack to the first, or append the * contents of the second to the first. * * Arguments: * pkeys - Points to stack of pkeys * work_kl - Points to working stack of pkeys * certs - Points to stack of certs * work_cl - Points to working stack of certs * cacerts - Points to stack of CA certs * work_ca - Points to working stack of CA certs * xtrakeys - Points to stack of unmatcned pkeys * work_xl - Points to working stack of unmatcned pkeys * * The arguments are in pairs. The first of each pair points to a stack * of keys or certs. The second of the pair points at a 'working stack' * of the same type of entities. Actions taken are as follows: * * - If either the first or second argument is NULL, or if there are no * members in the second stack, there is nothing to do. * - If the first argument points to a pointer which is NULL, then there * is no existing stack for the first argument. Copy the stack pointer * from the second argument to the first argument and NULL out the stack * pointer for the second. * - Otherwise, go through the elements of the second stack, removing each * and adding it to the first stack. * * Returns: * == -1 - An error occurred. Call ERR_get_error() to get error information. * == 0 - No matching returns were found. * > 0 - This is the arithmetic 'or' of the FOUND_* bits that indicate which * of the requested entries were manipulated. */ static int set_results(STACK_OF(EVP_PKEY) **pkeys, STACK_OF(EVP_PKEY) **work_kl, STACK_OF(X509) **certs, STACK_OF(X509) **work_cl, STACK_OF(X509) **cacerts, STACK_OF(X509) **work_ca, STACK_OF(EVP_PKEY) **xtrakeys, STACK_OF(EVP_PKEY) **work_xl) { int retval = 0; if (pkeys != NULL && work_kl != NULL && *work_kl != NULL && sk_EVP_PKEY_num(*work_kl) > 0) { if (*pkeys == NULL) { *pkeys = *work_kl; *work_kl = NULL; } else { if (sunw_append_keys(*pkeys, *work_kl) < 0) { return (-1); } } retval |= FOUND_PKEY; } if (certs != NULL && work_cl != NULL && *work_cl != NULL && sk_X509_num(*work_cl) > 0) { if (*certs == NULL) { *certs = *work_cl; *work_cl = NULL; } else { if (move_certs(*certs, *work_cl) < 0) { return (-1); } } retval |= FOUND_CERT; } if (cacerts != NULL && work_ca != NULL && *work_ca != NULL && sk_X509_num(*work_ca) > 0) { if (*cacerts == NULL) { *cacerts = *work_ca; *work_ca = NULL; } else { if (move_certs(*cacerts, *work_ca) < 0) { return (-1); } } retval |= FOUND_CA_CERTS; } if (xtrakeys != NULL && work_xl != NULL && *work_xl != NULL && sk_EVP_PKEY_num(*work_xl) > 0) { if (*xtrakeys == NULL) { *xtrakeys = *work_xl; *work_xl = NULL; } else { if (sunw_append_keys(*xtrakeys, *work_xl) < 0) { return (-1); } } retval |= FOUND_XPKEY; } return (retval); }