/* 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.
* 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
#include <openssl/asn1.h>
#include <openssl/objects.h>
-
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.
+ */
+
+static unsigned long global_mask = B_ASN1_UTF8STRING;
+
+void ASN1_STRING_set_default_mask(unsigned long mask)
+{
+ global_mask = mask;
+}
+
+unsigned long ASN1_STRING_get_default_mask(void)
+{
+ return global_mask;
+}
+
+/*-
+ * 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).
+ * pkix : PKIX recommendation in RFC2459.
+ * utf8only : only use UTF8Strings (RFC2459 recommendation for 2004).
+ * default: the default value, Printable, T61, BMP.
+ */
-/* 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.
+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;
+}
+
+/*
+ * 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;
- int ret;
- if(!out) out = &str;
- tbl = ASN1_STRING_TABLE_get(nid);
- if(tbl) ret = ASN1_mbstring_ncopy(out, in, inlen, inform, tbl->mask,
- tbl->minsize, tbl->maxsize);
- else ret = ASN1_mbstring_copy(out, in, inlen, inform, 0);
- 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, 0, 0},
-{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, 0},
-{NID_localityName, 1, ub_locality_name, 0, 0},
-{NID_stateOrProvinceName, 1, ub_state_name, 0, 0},
-{NID_organizationName, 1, ub_organization_name, 0, 0},
-{NID_organizationalUnitName, 1, ub_organization_unit_name, 0, 0},
-{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING, 0},
-{NID_givenName, 1, ub_name, 0, 0},
-{NID_surname, 1, ub_name, 0, 0},
-{NID_initials, 1, ub_name, 0, 0},
-{NID_name, 1, ub_name, 0, 0},
-{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, 0},
+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,
+ sizeof(tbl_standard) /
+ sizeof(ASN1_STRING_TABLE));
+}
+
+/*
+ * 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(ASN1_STRING_TABLE));
+ 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 < 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));
+
}
-IMPLEMENT_STACK_OF(ASN1_STRING_TABLE)
+#endif