X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fa_strnid.c;h=04c77eb45276935c577908627829644acbf3b966;hp=f0d5416660963e6fd093488c8ce35deac99b3e17;hb=3ca1f892a7d94fb1595408f5fe80dee51dceb3b8;hpb=babb379849ffb4112792f266f92e9ebb2bd35332 diff --git a/crypto/asn1/a_strnid.c b/crypto/asn1/a_strnid.c index f0d5416660..04c77eb452 100644 --- a/crypto/asn1/a_strnid.c +++ b/crypto/asn1/a_strnid.c @@ -1,92 +1,43 @@ -/* a_strnid.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). +/* + * Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include #include -#include "cryptlib.h" +#include "internal/cryptlib.h" #include #include - static STACK_OF(ASN1_STRING_TABLE) *stable = NULL; static void st_free(ASN1_STRING_TABLE *tbl); -static int sk_table_cmp(const ASN1_STRING_TABLE * const *a, - const ASN1_STRING_TABLE * const *b); +static int sk_table_cmp(const ASN1_STRING_TABLE *const *a, + const ASN1_STRING_TABLE *const *b); - -/* This is the global mask for the mbstring functions: this is use to - * mask out certain types (such as BMPString and UTF8String) because - * certain software (e.g. Netscape) has problems with them. +/* + * This is the global mask for the mbstring functions: this is use to mask + * out certain types (such as BMPString and UTF8String) because certain + * software (e.g. Netscape) has problems with them. */ -static unsigned long global_mask = 0xFFFFFFFFL; +static unsigned long global_mask = B_ASN1_UTF8STRING; void ASN1_STRING_set_default_mask(unsigned long mask) { - global_mask = mask; + global_mask = mask; } unsigned long ASN1_STRING_get_default_mask(void) { - return global_mask; + return global_mask; } -/* This function sets the default to various "flavours" of configuration. +/*- + * This function sets the default to various "flavours" of configuration. * based on an ASCII string. Currently this is: * MASK:XXXX : a numerical mask value. * nobmp : Don't use BMPStrings (just Printable, T61). @@ -95,198 +46,174 @@ unsigned long ASN1_STRING_get_default_mask(void) * default: the default value, Printable, T61, BMP. */ -int ASN1_STRING_set_default_mask_asc(char *p) +int ASN1_STRING_set_default_mask_asc(const char *p) { - unsigned long mask; - char *end; - if(!strncmp(p, "MASK:", 5)) { - if(!p[5]) return 0; - mask = strtoul(p + 5, &end, 0); - if(*end) return 0; - } else if(!strcmp(p, "nombstr")) - mask = ~((unsigned long)(B_ASN1_BMPSTRING|B_ASN1_UTF8STRING)); - else if(!strcmp(p, "pkix")) - mask = ~((unsigned long)B_ASN1_T61STRING); - else if(!strcmp(p, "utf8only")) mask = B_ASN1_UTF8STRING; - else if(!strcmp(p, "default")) - mask = 0xFFFFFFFFL; - else return 0; - ASN1_STRING_set_default_mask(mask); - return 1; + unsigned long mask; + char *end; + + if (strncmp(p, "MASK:", 5) == 0) { + if (!p[5]) + return 0; + mask = strtoul(p + 5, &end, 0); + if (*end) + return 0; + } else if (strcmp(p, "nombstr") == 0) + mask = ~((unsigned long)(B_ASN1_BMPSTRING | B_ASN1_UTF8STRING)); + else if (strcmp(p, "pkix") == 0) + mask = ~((unsigned long)B_ASN1_T61STRING); + else if (strcmp(p, "utf8only") == 0) + mask = B_ASN1_UTF8STRING; + else if (strcmp(p, "default") == 0) + mask = 0xFFFFFFFFL; + else + return 0; + ASN1_STRING_set_default_mask(mask); + return 1; } -/* The following function generates an ASN1_STRING based on limits in a table. - * Frequently the types and length of an ASN1_STRING are restricted by a - * corresponding OID. For example certificates and certificate requests. +/* + * The following function generates an ASN1_STRING based on limits in a + * table. Frequently the types and length of an ASN1_STRING are restricted by + * a corresponding OID. For example certificates and certificate requests. */ -ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out, const unsigned char *in, - int inlen, int inform, int nid) +ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out, + const unsigned char *in, int inlen, + int inform, int nid) { - ASN1_STRING_TABLE *tbl; - ASN1_STRING *str = NULL; - unsigned long mask; - int ret; - if(!out) out = &str; - tbl = ASN1_STRING_TABLE_get(nid); - if(tbl) { - mask = tbl->mask; - if(!(tbl->flags & STABLE_NO_MASK)) mask &= global_mask; - ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask, - tbl->minsize, tbl->maxsize); - } else ret = ASN1_mbstring_copy(out, in, inlen, inform, DIRSTRING_TYPE & global_mask); - if(ret <= 0) return NULL; - return *out; + ASN1_STRING_TABLE *tbl; + ASN1_STRING *str = NULL; + unsigned long mask; + int ret; + + if (out == NULL) + out = &str; + tbl = ASN1_STRING_TABLE_get(nid); + if (tbl != NULL) { + mask = tbl->mask; + if (!(tbl->flags & STABLE_NO_MASK)) + mask &= global_mask; + ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask, + tbl->minsize, tbl->maxsize); + } else { + ret = ASN1_mbstring_copy(out, in, inlen, inform, + DIRSTRING_TYPE & global_mask); + } + if (ret <= 0) + return NULL; + return *out; } -/* Now the tables and helper functions for the string table: +/* + * Now the tables and helper functions for the string table: */ -/* size limits: this stuff is taken straight from RFC3280 */ - -#define ub_name 32768 -#define ub_common_name 64 -#define ub_locality_name 128 -#define ub_state_name 128 -#define ub_organization_name 64 -#define ub_organization_unit_name 64 -#define ub_title 64 -#define ub_email_address 128 -#define ub_serial_number 64 +#include "tbl_standard.h" - -/* This table must be kept in NID order */ - -static const ASN1_STRING_TABLE tbl_standard[] = { -{NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0}, -{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK}, -{NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0}, -{NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0}, -{NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0}, -{NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE, 0}, -{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, STABLE_NO_MASK}, -{NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0}, -{NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0}, -{NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0}, -{NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0}, -{NID_surname, 1, ub_name, DIRSTRING_TYPE, 0}, -{NID_initials, 1, ub_name, DIRSTRING_TYPE, 0}, -{NID_serialNumber, 1, ub_serial_number, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK}, -{NID_friendlyName, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK}, -{NID_name, 1, ub_name, DIRSTRING_TYPE, 0}, -{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK}, -{NID_domainComponent, 1, -1, B_ASN1_IA5STRING, STABLE_NO_MASK}, -{NID_ms_csp_name, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK} -}; - -static int sk_table_cmp(const ASN1_STRING_TABLE * const *a, - const ASN1_STRING_TABLE * const *b) +static int sk_table_cmp(const ASN1_STRING_TABLE *const *a, + const ASN1_STRING_TABLE *const *b) { - return (*a)->nid - (*b)->nid; + return (*a)->nid - (*b)->nid; } -DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table_cmp); +DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table); static int table_cmp(const ASN1_STRING_TABLE *a, const ASN1_STRING_TABLE *b) { - return a->nid - b->nid; + return a->nid - b->nid; } -IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table_cmp); +IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table); ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid) { - int idx; - ASN1_STRING_TABLE *ttmp; - ASN1_STRING_TABLE fnd; - fnd.nid = nid; - ttmp = OBJ_bsearch(ASN1_STRING_TABLE, &fnd, - ASN1_STRING_TABLE, tbl_standard, - sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE), - table_cmp); - if(ttmp) return ttmp; - if(!stable) return NULL; - idx = sk_ASN1_STRING_TABLE_find(stable, &fnd); - if(idx < 0) return NULL; - return sk_ASN1_STRING_TABLE_value(stable, idx); -} - -int ASN1_STRING_TABLE_add(int nid, - long minsize, long maxsize, unsigned long mask, - unsigned long flags) -{ - ASN1_STRING_TABLE *tmp; - char new_nid = 0; - flags &= ~STABLE_FLAGS_MALLOC; - if(!stable) stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp); - if(!stable) { - ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE); - return 0; - } - if(!(tmp = ASN1_STRING_TABLE_get(nid))) { - tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE)); - if(!tmp) { - ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, - ERR_R_MALLOC_FAILURE); - return 0; - } - tmp->flags = flags | STABLE_FLAGS_MALLOC; - tmp->nid = nid; - new_nid = 1; - } else tmp->flags = (tmp->flags & STABLE_FLAGS_MALLOC) | flags; - if(minsize != -1) tmp->minsize = minsize; - if(maxsize != -1) tmp->maxsize = maxsize; - tmp->mask = mask; - if(new_nid) sk_ASN1_STRING_TABLE_push(stable, tmp); - return 1; + int idx; + ASN1_STRING_TABLE fnd; + + fnd.nid = nid; + if (stable) { + idx = sk_ASN1_STRING_TABLE_find(stable, &fnd); + if (idx >= 0) + return sk_ASN1_STRING_TABLE_value(stable, idx); + } + return OBJ_bsearch_table(&fnd, tbl_standard, OSSL_NELEM(tbl_standard)); } -void ASN1_STRING_TABLE_cleanup(void) +/* + * Return a string table pointer which can be modified: either directly from + * table or a copy of an internal value added to the table. + */ + +static ASN1_STRING_TABLE *stable_get(int nid) { - STACK_OF(ASN1_STRING_TABLE) *tmp; - tmp = stable; - if(!tmp) return; - stable = NULL; - sk_ASN1_STRING_TABLE_pop_free(tmp, st_free); + ASN1_STRING_TABLE *tmp, *rv; + + /* Always need a string table so allocate one if NULL */ + if (stable == NULL) { + stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp); + if (stable == NULL) + return NULL; + } + tmp = ASN1_STRING_TABLE_get(nid); + if (tmp != NULL && tmp->flags & STABLE_FLAGS_MALLOC) + return tmp; + rv = OPENSSL_zalloc(sizeof(*rv)); + if (rv == NULL) + return NULL; + if (!sk_ASN1_STRING_TABLE_push(stable, rv)) { + OPENSSL_free(rv); + return NULL; + } + if (tmp != NULL) { + rv->nid = tmp->nid; + rv->minsize = tmp->minsize; + rv->maxsize = tmp->maxsize; + rv->mask = tmp->mask; + rv->flags = tmp->flags | STABLE_FLAGS_MALLOC; + } else { + rv->nid = nid; + rv->minsize = -1; + rv->maxsize = -1; + rv->flags = STABLE_FLAGS_MALLOC; + } + return rv; } -static void st_free(ASN1_STRING_TABLE *tbl) +int ASN1_STRING_TABLE_add(int nid, + long minsize, long maxsize, unsigned long mask, + unsigned long flags) { - if(tbl->flags & STABLE_FLAGS_MALLOC) OPENSSL_free(tbl); + ASN1_STRING_TABLE *tmp; + + tmp = stable_get(nid); + if (tmp == NULL) { + ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE); + return 0; + } + if (minsize >= 0) + tmp->minsize = minsize; + if (maxsize >= 0) + tmp->maxsize = maxsize; + if (mask) + tmp->mask = mask; + if (flags) + tmp->flags = STABLE_FLAGS_MALLOC | flags; + return 1; } - -IMPLEMENT_STACK_OF(ASN1_STRING_TABLE) - -#ifdef STRING_TABLE_TEST - -main() +void ASN1_STRING_TABLE_cleanup(void) { - ASN1_STRING_TABLE *tmp; - int i, last_nid = -1; - - for (tmp = tbl_standard, i = 0; - i < sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE); i++, tmp++) - { - if (tmp->nid < last_nid) - { - last_nid = 0; - break; - } - last_nid = tmp->nid; - } - - if (last_nid != 0) - { - printf("Table order OK\n"); - exit(0); - } - - for (tmp = tbl_standard, i = 0; - i < sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE); i++, tmp++) - printf("Index %d, NID %d, Name=%s\n", i, tmp->nid, - OBJ_nid2ln(tmp->nid)); + STACK_OF(ASN1_STRING_TABLE) *tmp; + tmp = stable; + if (tmp == NULL) + return; + stable = NULL; + sk_ASN1_STRING_TABLE_pop_free(tmp, st_free); } -#endif +static void st_free(ASN1_STRING_TABLE *tbl) +{ + if (tbl->flags & STABLE_FLAGS_MALLOC) + OPENSSL_free(tbl); +}