X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fa_strnid.c;h=92d4134fc57b358676c65475fd0249535bf390c6;hp=ab8417ffabc4b864e8a167445e4a5bd02456bd81;hb=86885c289580066792415218754bd935b449f170;hpb=43e9d805e85eba20d68b9448e932478cecebc3ae diff --git a/crypto/asn1/a_strnid.c b/crypto/asn1/a_strnid.c index ab8417ffab..92d4134fc5 100644 --- a/crypto/asn1/a_strnid.c +++ b/crypto/asn1/a_strnid.c @@ -1,6 +1,7 @@ /* a_strnid.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -62,31 +63,31 @@ #include #include - static STACK_OF(ASN1_STRING_TABLE) *stable = NULL; static void st_free(ASN1_STRING_TABLE *tbl); -static int sk_table_cmp(ASN1_STRING_TABLE **a, ASN1_STRING_TABLE **b); -static int table_cmp(ASN1_STRING_TABLE *a, ASN1_STRING_TABLE *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). @@ -95,153 +96,234 @@ 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 = ~(B_ASN1_BMPSTRING|B_ASN1_UTF8STRING); - else if(!strcmp(p, "pkix")) - mask = ~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, tbl->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) + 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; } -/* 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 RFC2459 */ +/* 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_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 /* This table must be kept in NID order */ -static 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_name, 1, ub_name, DIRSTRING_TYPE, 0}, -{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK} +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(ASN1_STRING_TABLE **a, ASN1_STRING_TABLE **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; } -static int table_cmp(ASN1_STRING_TABLE *a, ASN1_STRING_TABLE *b) +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); + ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid) { - int idx; - ASN1_STRING_TABLE *ttmp; - ASN1_STRING_TABLE fnd; - fnd.nid = nid; - ttmp = (ASN1_STRING_TABLE *) OBJ_bsearch((char *)&fnd, - (char *)tbl_standard, - sizeof(tbl_standard)/sizeof(ASN1_STRING_TABLE), - sizeof(ASN1_STRING_TABLE), (int(*)())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 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)); +} + +/* + * 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) +{ + ASN1_STRING_TABLE *tmp, *rv; + /* Always need a string table so allocate one if NULL */ + if (!stable) { + stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp); + if (!stable) + return NULL; + } + tmp = ASN1_STRING_TABLE_get(nid); + if (tmp && tmp->flags & STABLE_FLAGS_MALLOC) + return tmp; + rv = OPENSSL_malloc(sizeof(*rv)); + if (!rv) + return NULL; + if (!sk_ASN1_STRING_TABLE_push(stable, rv)) { + OPENSSL_free(rv); + return NULL; + } + if (tmp) { + 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->minsize = -1; + rv->maxsize = -1; + rv->mask = 0; + rv->flags = STABLE_FLAGS_MALLOC; + } + return rv; } - + int ASN1_STRING_TABLE_add(int nid, - long minsize, long maxsize, unsigned long mask, - unsigned long flags) + 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 = 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; + ASN1_STRING_TABLE *tmp; + tmp = stable_get(nid); + if (!tmp) { + 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; } void ASN1_STRING_TABLE_cleanup(void) { - STACK_OF(ASN1_STRING_TABLE) *tmp; - tmp = stable; - if(!tmp) return; - stable = NULL; - sk_ASN1_STRING_TABLE_pop_free(tmp, st_free); + STACK_OF(ASN1_STRING_TABLE) *tmp; + tmp = stable; + if (!tmp) + return; + stable = NULL; + sk_ASN1_STRING_TABLE_pop_free(tmp, st_free); } static void st_free(ASN1_STRING_TABLE *tbl) { - if(tbl->flags & STABLE_FLAGS_MALLOC) Free(tbl); + if (tbl->flags & STABLE_FLAGS_MALLOC) + OPENSSL_free(tbl); +} + + +#ifdef STRING_TABLE_TEST + +main() +{ + ASN1_STRING_TABLE *tmp; + int i, last_nid = -1; + + for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); 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 < OSSL_NELEM(tbl_standard); i++, tmp++) + printf("Index %d, NID %d, Name=%s\n", i, tmp->nid, + OBJ_nid2ln(tmp->nid)); + } -IMPLEMENT_STACK_OF(ASN1_STRING_TABLE) +#endif