/* asn1_gen.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2002.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2002.
*/
/* ====================================================================
* Copyright (c) 2002 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/x509v3.h>
-#define ASN1_GEN_FLAG 0x10000
-#define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
-#define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
-#define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
-#define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
-#define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
-#define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
-#define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7)
-#define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
+#define ASN1_GEN_FLAG 0x10000
+#define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
+#define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
+#define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
+#define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
+#define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
+#define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
+#define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7)
+#define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
-#define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
+#define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
-#define ASN1_FLAG_EXP_MAX 20
+#define ASN1_FLAG_EXP_MAX 20
+/* Maximum number of nested sequences */
+#define ASN1_GEN_SEQ_MAX_DEPTH 50
/* Input formats */
/* ASCII: default */
-#define ASN1_GEN_FORMAT_ASCII 1
+#define ASN1_GEN_FORMAT_ASCII 1
/* UTF8 */
-#define ASN1_GEN_FORMAT_UTF8 2
+#define ASN1_GEN_FORMAT_UTF8 2
/* Hex */
-#define ASN1_GEN_FORMAT_HEX 3
+#define ASN1_GEN_FORMAT_HEX 3
/* List of bits */
-#define ASN1_GEN_FORMAT_BITLIST 4
-
-
-struct tag_name_st
- {
- const char *strnam;
- int len;
- int tag;
- };
-
-typedef struct
- {
- int exp_tag;
- int exp_class;
- int exp_constructed;
- int exp_pad;
- long exp_len;
- } tag_exp_type;
-
-typedef struct
- {
- int imp_tag;
- int imp_class;
- int utype;
- int format;
- const char *str;
- tag_exp_type exp_list[ASN1_FLAG_EXP_MAX];
- int exp_count;
- } tag_exp_arg;
-
+#define ASN1_GEN_FORMAT_BITLIST 4
+
+struct tag_name_st {
+ const char *strnam;
+ int len;
+ int tag;
+};
+
+typedef struct {
+ int exp_tag;
+ int exp_class;
+ int exp_constructed;
+ int exp_pad;
+ long exp_len;
+} tag_exp_type;
+
+typedef struct {
+ int imp_tag;
+ int imp_class;
+ int utype;
+ int format;
+ const char *str;
+ tag_exp_type exp_list[ASN1_FLAG_EXP_MAX];
+ int exp_count;
+} tag_exp_arg;
+
+static ASN1_TYPE *generate_v3(char *str, X509V3_CTX *cnf, int depth,
+ int *perr);
static int bitstr_cb(const char *elem, int len, void *bitstr);
static int asn1_cb(const char *elem, int len, void *bitstr);
-static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok);
-static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass);
-static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf);
+static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class,
+ int exp_constructed, int exp_pad, int imp_ok);
+static int parse_tagging(const char *vstart, int vlen, int *ptag,
+ int *pclass);
+static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf,
+ int depth, int *perr);
static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype);
static int asn1_str2tag(const char *tagstr, int len);
ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf)
- {
- X509V3_CTX cnf;
+{
+ X509V3_CTX cnf;
- if (!nconf)
- return ASN1_generate_v3(str, NULL);
+ if (!nconf)
+ return ASN1_generate_v3(str, NULL);
- X509V3_set_nconf(&cnf, nconf);
- return ASN1_generate_v3(str, &cnf);
- }
+ X509V3_set_nconf(&cnf, nconf);
+ return ASN1_generate_v3(str, &cnf);
+}
ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
- {
- ASN1_TYPE *ret;
- tag_exp_arg asn1_tags;
- tag_exp_type *etmp;
-
- int i, len;
-
- unsigned char *orig_der = NULL, *new_der = NULL;
- const unsigned char *cpy_start;
- unsigned char *p;
- const unsigned char *cp;
- int cpy_len;
- long hdr_len;
- int hdr_constructed = 0, hdr_tag, hdr_class;
- int r;
-
- asn1_tags.imp_tag = -1;
- asn1_tags.imp_class = -1;
- asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
- asn1_tags.exp_count = 0;
- if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
- return NULL;
-
- if ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET))
- {
- if (!cnf)
- {
- ASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
- return NULL;
- }
- ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
- }
- else
- ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
-
- if (!ret)
- return NULL;
-
- /* If no tagging return base type */
- if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
- return ret;
-
- /* Generate the encoding */
- cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
- ASN1_TYPE_free(ret);
- ret = NULL;
- /* Set point to start copying for modified encoding */
- cpy_start = orig_der;
-
- /* Do we need IMPLICIT tagging? */
- if (asn1_tags.imp_tag != -1)
- {
- /* If IMPLICIT we will replace the underlying tag */
- /* Skip existing tag+len */
- r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len);
- if (r & 0x80)
- goto err;
- /* Update copy length */
- cpy_len -= cpy_start - orig_der;
- /* For IMPLICIT tagging the length should match the
- * original length and constructed flag should be
- * consistent.
- */
- if (r & 0x1)
- {
- /* Indefinite length constructed */
- hdr_constructed = 2;
- hdr_len = 0;
- }
- else
- /* Just retain constructed flag */
- hdr_constructed = r & V_ASN1_CONSTRUCTED;
- /* Work out new length with IMPLICIT tag: ignore constructed
- * because it will mess up if indefinite length
- */
- len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
- }
- else
- len = cpy_len;
-
- /* Work out length in any EXPLICIT, starting from end */
-
- for(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--)
- {
- /* Content length: number of content octets + any padding */
- len += etmp->exp_pad;
- etmp->exp_len = len;
- /* Total object length: length including new header */
- len = ASN1_object_size(0, len, etmp->exp_tag);
- }
-
- /* Allocate buffer for new encoding */
-
- new_der = OPENSSL_malloc(len);
-
- /* Generate tagged encoding */
-
- p = new_der;
-
- /* Output explicit tags first */
-
- for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++)
- {
- ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
- etmp->exp_tag, etmp->exp_class);
- if (etmp->exp_pad)
- *p++ = 0;
- }
-
- /* If IMPLICIT, output tag */
-
- if (asn1_tags.imp_tag != -1)
- ASN1_put_object(&p, hdr_constructed, hdr_len,
- asn1_tags.imp_tag, asn1_tags.imp_class);
-
- /* Copy across original encoding */
- memcpy(p, cpy_start, cpy_len);
-
- cp = new_der;
-
- /* Obtain new ASN1_TYPE structure */
- ret = d2i_ASN1_TYPE(NULL, &cp, len);
-
- err:
- if (orig_der)
- OPENSSL_free(orig_der);
- if (new_der)
- OPENSSL_free(new_der);
-
- return ret;
-
- }
+{
+ int err = 0;
+ ASN1_TYPE *ret = generate_v3(str, cnf, 0, &err);
+ if (err)
+ ASN1err(ASN1_F_ASN1_GENERATE_V3, err);
+ return ret;
+}
+
+static ASN1_TYPE *generate_v3(char *str, X509V3_CTX *cnf, int depth,
+ int *perr)
+{
+ ASN1_TYPE *ret;
+ tag_exp_arg asn1_tags;
+ tag_exp_type *etmp;
+
+ int i, len;
+
+ unsigned char *orig_der = NULL, *new_der = NULL;
+ const unsigned char *cpy_start;
+ unsigned char *p;
+ const unsigned char *cp;
+ int cpy_len;
+ long hdr_len = 0;
+ int hdr_constructed = 0, hdr_tag, hdr_class;
+ int r;
+
+ asn1_tags.imp_tag = -1;
+ asn1_tags.imp_class = -1;
+ asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
+ asn1_tags.exp_count = 0;
+ if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0) {
+ *perr = ASN1_R_UNKNOWN_TAG;
+ return NULL;
+ }
+
+ if ((asn1_tags.utype == V_ASN1_SEQUENCE)
+ || (asn1_tags.utype == V_ASN1_SET)) {
+ if (!cnf) {
+ *perr = ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG;
+ return NULL;
+ }
+ if (depth >= ASN1_GEN_SEQ_MAX_DEPTH) {
+ *perr = ASN1_R_ILLEGAL_NESTED_TAGGING;
+ return NULL;
+ }
+ ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf, depth, perr);
+ } else
+ ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
+
+ if (!ret)
+ return NULL;
+
+ /* If no tagging return base type */
+ if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
+ return ret;
+
+ /* Generate the encoding */
+ cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
+ ASN1_TYPE_free(ret);
+ ret = NULL;
+ /* Set point to start copying for modified encoding */
+ cpy_start = orig_der;
+
+ /* Do we need IMPLICIT tagging? */
+ if (asn1_tags.imp_tag != -1) {
+ /* If IMPLICIT we will replace the underlying tag */
+ /* Skip existing tag+len */
+ r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class,
+ cpy_len);
+ if (r & 0x80)
+ goto err;
+ /* Update copy length */
+ cpy_len -= cpy_start - orig_der;
+ /*
+ * For IMPLICIT tagging the length should match the original length
+ * and constructed flag should be consistent.
+ */
+ if (r & 0x1) {
+ /* Indefinite length constructed */
+ hdr_constructed = 2;
+ hdr_len = 0;
+ } else
+ /* Just retain constructed flag */
+ hdr_constructed = r & V_ASN1_CONSTRUCTED;
+ /*
+ * Work out new length with IMPLICIT tag: ignore constructed because
+ * it will mess up if indefinite length
+ */
+ len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
+ } else
+ len = cpy_len;
+
+ /* Work out length in any EXPLICIT, starting from end */
+
+ for (i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1;
+ i < asn1_tags.exp_count; i++, etmp--) {
+ /* Content length: number of content octets + any padding */
+ len += etmp->exp_pad;
+ etmp->exp_len = len;
+ /* Total object length: length including new header */
+ len = ASN1_object_size(0, len, etmp->exp_tag);
+ }
+
+ /* Allocate buffer for new encoding */
+
+ new_der = OPENSSL_malloc(len);
+ if (!new_der)
+ goto err;
+
+ /* Generate tagged encoding */
+
+ p = new_der;
+
+ /* Output explicit tags first */
+
+ for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count;
+ i++, etmp++) {
+ ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
+ etmp->exp_tag, etmp->exp_class);
+ if (etmp->exp_pad)
+ *p++ = 0;
+ }
+
+ /* If IMPLICIT, output tag */
+
+ if (asn1_tags.imp_tag != -1) {
+ if (asn1_tags.imp_class == V_ASN1_UNIVERSAL
+ && (asn1_tags.imp_tag == V_ASN1_SEQUENCE
+ || asn1_tags.imp_tag == V_ASN1_SET))
+ hdr_constructed = V_ASN1_CONSTRUCTED;
+ ASN1_put_object(&p, hdr_constructed, hdr_len,
+ asn1_tags.imp_tag, asn1_tags.imp_class);
+ }
+
+ /* Copy across original encoding */
+ memcpy(p, cpy_start, cpy_len);
+
+ cp = new_der;
+
+ /* Obtain new ASN1_TYPE structure */
+ ret = d2i_ASN1_TYPE(NULL, &cp, len);
+
+ err:
+ OPENSSL_free(orig_der);
+ OPENSSL_free(new_der);
+
+ return ret;
+
+}
static int asn1_cb(const char *elem, int len, void *bitstr)
- {
- tag_exp_arg *arg = bitstr;
- int i;
- int utype;
- int vlen = 0;
- const char *p, *vstart = NULL;
-
- int tmp_tag, tmp_class;
-
- for(i = 0, p = elem; i < len; p++, i++)
- {
- /* Look for the ':' in name value pairs */
- if (*p == ':')
- {
- vstart = p + 1;
- vlen = len - (vstart - elem);
- len = p - elem;
- break;
- }
- }
-
- utype = asn1_str2tag(elem, len);
-
- if (utype == -1)
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
- ERR_add_error_data(2, "tag=", elem);
- return -1;
- }
-
- /* If this is not a modifier mark end of string and exit */
- if (!(utype & ASN1_GEN_FLAG))
- {
- arg->utype = utype;
- arg->str = vstart;
- /* If no value and not end of string, error */
- if (!vstart && elem[len])
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
- return -1;
- }
- return 0;
- }
-
- switch(utype)
- {
-
- case ASN1_GEN_FLAG_IMP:
- /* Check for illegal multiple IMPLICIT tagging */
- if (arg->imp_tag != -1)
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
- return -1;
- }
- if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
- return -1;
- break;
-
- case ASN1_GEN_FLAG_EXP:
-
- if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
- return -1;
- if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
- return -1;
- break;
-
- case ASN1_GEN_FLAG_SEQWRAP:
- if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
- return -1;
- break;
-
- case ASN1_GEN_FLAG_SETWRAP:
- if (!append_exp(arg, V_ASN1_SET, V_ASN1_UNIVERSAL, 1, 0, 1))
- return -1;
- break;
-
- case ASN1_GEN_FLAG_BITWRAP:
- if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
- return -1;
- break;
-
- case ASN1_GEN_FLAG_OCTWRAP:
- if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
- return -1;
- break;
-
- case ASN1_GEN_FLAG_FORMAT:
- if (!strncmp(vstart, "ASCII", 5))
- arg->format = ASN1_GEN_FORMAT_ASCII;
- else if (!strncmp(vstart, "UTF8", 4))
- arg->format = ASN1_GEN_FORMAT_UTF8;
- else if (!strncmp(vstart, "HEX", 3))
- arg->format = ASN1_GEN_FORMAT_HEX;
- else if (!strncmp(vstart, "BITLIST", 3))
- arg->format = ASN1_GEN_FORMAT_BITLIST;
- else
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
- return -1;
- }
- break;
-
- }
-
- return 1;
-
- }
+{
+ tag_exp_arg *arg = bitstr;
+ int i;
+ int utype;
+ int vlen = 0;
+ const char *p, *vstart = NULL;
+
+ int tmp_tag, tmp_class;
+
+ if (elem == NULL)
+ return -1;
+
+ for (i = 0, p = elem; i < len; p++, i++) {
+ /* Look for the ':' in name value pairs */
+ if (*p == ':') {
+ vstart = p + 1;
+ vlen = len - (vstart - elem);
+ len = p - elem;
+ break;
+ }
+ }
+
+ utype = asn1_str2tag(elem, len);
+
+ if (utype == -1) {
+ ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
+ ERR_add_error_data(2, "tag=", elem);
+ return -1;
+ }
+
+ /* If this is not a modifier mark end of string and exit */
+ if (!(utype & ASN1_GEN_FLAG)) {
+ arg->utype = utype;
+ arg->str = vstart;
+ /* If no value and not end of string, error */
+ if (!vstart && elem[len]) {
+ ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
+ return -1;
+ }
+ return 0;
+ }
+
+ switch (utype) {
+
+ case ASN1_GEN_FLAG_IMP:
+ /* Check for illegal multiple IMPLICIT tagging */
+ if (arg->imp_tag != -1) {
+ ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
+ return -1;
+ }
+ if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
+ return -1;
+ break;
+
+ case ASN1_GEN_FLAG_EXP:
+
+ if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
+ return -1;
+ if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
+ return -1;
+ break;
+
+ case ASN1_GEN_FLAG_SEQWRAP:
+ if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
+ return -1;
+ break;
+
+ case ASN1_GEN_FLAG_SETWRAP:
+ if (!append_exp(arg, V_ASN1_SET, V_ASN1_UNIVERSAL, 1, 0, 1))
+ return -1;
+ break;
+
+ case ASN1_GEN_FLAG_BITWRAP:
+ if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
+ return -1;
+ break;
+
+ case ASN1_GEN_FLAG_OCTWRAP:
+ if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
+ return -1;
+ break;
+
+ case ASN1_GEN_FLAG_FORMAT:
+ if (!vstart) {
+ ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_FORMAT);
+ return -1;
+ }
+ if (strncmp(vstart, "ASCII", 5) == 0)
+ arg->format = ASN1_GEN_FORMAT_ASCII;
+ else if (strncmp(vstart, "UTF8", 4) == 0)
+ arg->format = ASN1_GEN_FORMAT_UTF8;
+ else if (strncmp(vstart, "HEX", 3) == 0)
+ arg->format = ASN1_GEN_FORMAT_HEX;
+ else if (strncmp(vstart, "BITLIST", 7) == 0)
+ arg->format = ASN1_GEN_FORMAT_BITLIST;
+ else {
+ ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_FORMAT);
+ return -1;
+ }
+ break;
+
+ }
+
+ return 1;
+
+}
static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass)
- {
- char erch[2];
- long tag_num;
- char *eptr;
- if (!vstart)
- return 0;
- tag_num = strtoul(vstart, &eptr, 10);
- /* Check we haven't gone past max length: should be impossible */
- if (eptr && *eptr && (eptr > vstart + vlen))
- return 0;
- if (tag_num < 0)
- {
- ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER);
- return 0;
- }
- *ptag = tag_num;
- /* If we have non numeric characters, parse them */
- if (eptr)
- vlen -= eptr - vstart;
- else
- vlen = 0;
- if (vlen)
- {
- switch (*eptr)
- {
-
- case 'U':
- *pclass = V_ASN1_UNIVERSAL;
- break;
-
- case 'A':
- *pclass = V_ASN1_APPLICATION;
- break;
-
- case 'P':
- *pclass = V_ASN1_PRIVATE;
- break;
-
- case 'C':
- *pclass = V_ASN1_CONTEXT_SPECIFIC;
- break;
-
- default:
- erch[0] = *eptr;
- erch[1] = 0;
- ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER);
- ERR_add_error_data(2, "Char=", erch);
- return 0;
- break;
-
- }
- }
- else
- *pclass = V_ASN1_CONTEXT_SPECIFIC;
-
- return 1;
-
- }
+{
+ char erch[2];
+ long tag_num;
+ char *eptr;
+ if (!vstart)
+ return 0;
+ tag_num = strtoul(vstart, &eptr, 10);
+ /* Check we haven't gone past max length: should be impossible */
+ if (eptr && *eptr && (eptr > vstart + vlen))
+ return 0;
+ if (tag_num < 0) {
+ ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER);
+ return 0;
+ }
+ *ptag = tag_num;
+ /* If we have non numeric characters, parse them */
+ if (eptr)
+ vlen -= eptr - vstart;
+ else
+ vlen = 0;
+ if (vlen) {
+ switch (*eptr) {
+
+ case 'U':
+ *pclass = V_ASN1_UNIVERSAL;
+ break;
+
+ case 'A':
+ *pclass = V_ASN1_APPLICATION;
+ break;
+
+ case 'P':
+ *pclass = V_ASN1_PRIVATE;
+ break;
+
+ case 'C':
+ *pclass = V_ASN1_CONTEXT_SPECIFIC;
+ break;
+
+ default:
+ erch[0] = *eptr;
+ erch[1] = 0;
+ ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER);
+ ERR_add_error_data(2, "Char=", erch);
+ return 0;
+
+ }
+ } else
+ *pclass = V_ASN1_CONTEXT_SPECIFIC;
+
+ return 1;
+
+}
/* Handle multiple types: SET and SEQUENCE */
-static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
- {
- ASN1_TYPE *ret = NULL;
- STACK_OF(ASN1_TYPE) *sk = NULL;
- STACK_OF(CONF_VALUE) *sect = NULL;
- unsigned char *der = NULL;
- int derlen;
- int i;
- sk = sk_ASN1_TYPE_new_null();
- if (section)
- {
- if (!cnf)
- goto bad;
- sect = X509V3_get_section(cnf, (char *)section);
- if (!sect)
- goto bad;
- for (i = 0; i < sk_CONF_VALUE_num(sect); i++)
- {
- ASN1_TYPE *typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);
- if (!typ)
- goto bad;
- sk_ASN1_TYPE_push(sk, typ);
- }
- }
-
- /* Now we has a STACK of the components, convert to the correct form */
-
- if (utype == V_ASN1_SET)
- derlen = i2d_ASN1_SET_ANY(sk, &der);
- else
- derlen = i2d_ASN1_SEQUENCE_ANY(sk, &der);
-
- if (!(ret = ASN1_TYPE_new()))
- goto bad;
-
- if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))
- goto bad;
-
- ret->type = utype;
-
- ret->value.asn1_string->data = der;
- ret->value.asn1_string->length = derlen;
-
- der = NULL;
-
- bad:
-
- if (der)
- OPENSSL_free(der);
-
- if (sk)
- sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);
- if (sect)
- X509V3_section_free(cnf, sect);
-
- return ret;
- }
-
-static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok)
- {
- tag_exp_type *exp_tmp;
- /* Can only have IMPLICIT if permitted */
- if ((arg->imp_tag != -1) && !imp_ok)
- {
- ASN1err(ASN1_F_APPEND_EXP, ASN1_R_ILLEGAL_IMPLICIT_TAG);
- return 0;
- }
-
- if (arg->exp_count == ASN1_FLAG_EXP_MAX)
- {
- ASN1err(ASN1_F_APPEND_EXP, ASN1_R_DEPTH_EXCEEDED);
- return 0;
- }
-
- exp_tmp = &arg->exp_list[arg->exp_count++];
-
- /* If IMPLICIT set tag to implicit value then
- * reset implicit tag since it has been used.
- */
- if (arg->imp_tag != -1)
- {
- exp_tmp->exp_tag = arg->imp_tag;
- exp_tmp->exp_class = arg->imp_class;
- arg->imp_tag = -1;
- arg->imp_class = -1;
- }
- else
- {
- exp_tmp->exp_tag = exp_tag;
- exp_tmp->exp_class = exp_class;
- }
- exp_tmp->exp_constructed = exp_constructed;
- exp_tmp->exp_pad = exp_pad;
-
- return 1;
- }
-
+static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf,
+ int depth, int *perr)
+{
+ ASN1_TYPE *ret = NULL;
+ STACK_OF(ASN1_TYPE) *sk = NULL;
+ STACK_OF(CONF_VALUE) *sect = NULL;
+ unsigned char *der = NULL;
+ int derlen;
+ int i;
+ sk = sk_ASN1_TYPE_new_null();
+ if (!sk)
+ goto bad;
+ if (section) {
+ if (!cnf)
+ goto bad;
+ sect = X509V3_get_section(cnf, (char *)section);
+ if (!sect)
+ goto bad;
+ for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
+ ASN1_TYPE *typ =
+ generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf,
+ depth + 1, perr);
+ if (!typ)
+ goto bad;
+ if (!sk_ASN1_TYPE_push(sk, typ))
+ goto bad;
+ }
+ }
+
+ /*
+ * Now we has a STACK of the components, convert to the correct form
+ */
+
+ if (utype == V_ASN1_SET)
+ derlen = i2d_ASN1_SET_ANY(sk, &der);
+ else
+ derlen = i2d_ASN1_SEQUENCE_ANY(sk, &der);
+
+ if (derlen < 0)
+ goto bad;
+
+ if (!(ret = ASN1_TYPE_new()))
+ goto bad;
+
+ if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))
+ goto bad;
+
+ ret->type = utype;
+
+ ret->value.asn1_string->data = der;
+ ret->value.asn1_string->length = derlen;
+
+ der = NULL;
+
+ bad:
+
+ OPENSSL_free(der);
+
+ sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);
+ X509V3_section_free(cnf, sect);
+
+ return ret;
+}
+
+static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class,
+ int exp_constructed, int exp_pad, int imp_ok)
+{
+ tag_exp_type *exp_tmp;
+ /* Can only have IMPLICIT if permitted */
+ if ((arg->imp_tag != -1) && !imp_ok) {
+ ASN1err(ASN1_F_APPEND_EXP, ASN1_R_ILLEGAL_IMPLICIT_TAG);
+ return 0;
+ }
+
+ if (arg->exp_count == ASN1_FLAG_EXP_MAX) {
+ ASN1err(ASN1_F_APPEND_EXP, ASN1_R_DEPTH_EXCEEDED);
+ return 0;
+ }
+
+ exp_tmp = &arg->exp_list[arg->exp_count++];
+
+ /*
+ * If IMPLICIT set tag to implicit value then reset implicit tag since it
+ * has been used.
+ */
+ if (arg->imp_tag != -1) {
+ exp_tmp->exp_tag = arg->imp_tag;
+ exp_tmp->exp_class = arg->imp_class;
+ arg->imp_tag = -1;
+ arg->imp_class = -1;
+ } else {
+ exp_tmp->exp_tag = exp_tag;
+ exp_tmp->exp_class = exp_class;
+ }
+ exp_tmp->exp_constructed = exp_constructed;
+ exp_tmp->exp_pad = exp_pad;
+
+ return 1;
+}
static int asn1_str2tag(const char *tagstr, int len)
- {
- unsigned int i;
- static const struct tag_name_st *tntmp, tnst [] = {
- ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN),
- ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN),
- ASN1_GEN_STR("NULL", V_ASN1_NULL),
- ASN1_GEN_STR("INT", V_ASN1_INTEGER),
- ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER),
- ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED),
- ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED),
- ASN1_GEN_STR("OID", V_ASN1_OBJECT),
- ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT),
- ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME),
- ASN1_GEN_STR("UTC", V_ASN1_UTCTIME),
- ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME),
- ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME),
- ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING),
- ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING),
- ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING),
- ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING),
- ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING),
- ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING),
- ASN1_GEN_STR("IA5", V_ASN1_IA5STRING),
- ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING),
- ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING),
- ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING),
- ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING),
- ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING),
- ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING),
- ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING),
- ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING),
- ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING),
- ASN1_GEN_STR("T61", V_ASN1_T61STRING),
- ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING),
- ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING),
- ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING),
- ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING),
- ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING),
- ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING),
-
- /* Special cases */
- ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE),
- ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE),
- ASN1_GEN_STR("SET", V_ASN1_SET),
- /* type modifiers */
- /* Explicit tag */
- ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP),
- ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP),
- /* Implicit tag */
- ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP),
- ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP),
- /* OCTET STRING wrapper */
- ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP),
- /* SEQUENCE wrapper */
- ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP),
- /* SET wrapper */
- ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP),
- /* BIT STRING wrapper */
- ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP),
- ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT),
- ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT),
- };
-
- if (len == -1)
- len = strlen(tagstr);
-
- tntmp = tnst;
- for (i = 0; i < sizeof(tnst) / sizeof(struct tag_name_st); i++, tntmp++)
- {
- if ((len == tntmp->len) && !strncmp(tntmp->strnam, tagstr, len))
- return tntmp->tag;
- }
-
- return -1;
- }
+{
+ unsigned int i;
+ static const struct tag_name_st *tntmp, tnst[] = {
+ ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN),
+ ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN),
+ ASN1_GEN_STR("NULL", V_ASN1_NULL),
+ ASN1_GEN_STR("INT", V_ASN1_INTEGER),
+ ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER),
+ ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED),
+ ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED),
+ ASN1_GEN_STR("OID", V_ASN1_OBJECT),
+ ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT),
+ ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME),
+ ASN1_GEN_STR("UTC", V_ASN1_UTCTIME),
+ ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME),
+ ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME),
+ ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING),
+ ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING),
+ ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING),
+ ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING),
+ ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING),
+ ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING),
+ ASN1_GEN_STR("IA5", V_ASN1_IA5STRING),
+ ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING),
+ ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING),
+ ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING),
+ ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING),
+ ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING),
+ ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING),
+ ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING),
+ ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING),
+ ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING),
+ ASN1_GEN_STR("T61", V_ASN1_T61STRING),
+ ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING),
+ ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING),
+ ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING),
+ ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING),
+ ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING),
+ ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING),
+
+ /* Special cases */
+ ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE),
+ ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE),
+ ASN1_GEN_STR("SET", V_ASN1_SET),
+ /* type modifiers */
+ /* Explicit tag */
+ ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP),
+ ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP),
+ /* Implicit tag */
+ ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP),
+ ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP),
+ /* OCTET STRING wrapper */
+ ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP),
+ /* SEQUENCE wrapper */
+ ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP),
+ /* SET wrapper */
+ ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP),
+ /* BIT STRING wrapper */
+ ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP),
+ ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT),
+ ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT),
+ };
+
+ if (len == -1)
+ len = strlen(tagstr);
+
+ tntmp = tnst;
+ for (i = 0; i < OSSL_NELEM(tnst); i++, tntmp++) {
+ if ((len == tntmp->len) && (strncmp(tntmp->strnam, tagstr, len) == 0))
+ return tntmp->tag;
+ }
+
+ return -1;
+}
static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype)
- {
- ASN1_TYPE *atmp = NULL;
-
- CONF_VALUE vtmp;
-
- unsigned char *rdata;
- long rdlen;
-
- int no_unused = 1;
-
- if (!(atmp = ASN1_TYPE_new()))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- if (!str)
- str = "";
-
- switch(utype)
- {
-
- case V_ASN1_NULL:
- if (str && *str)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_NULL_VALUE);
- goto bad_form;
- }
- break;
-
- case V_ASN1_BOOLEAN:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- vtmp.name = NULL;
- vtmp.section = NULL;
- vtmp.value = (char *)str;
- if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN);
- goto bad_str;
- }
- break;
-
- case V_ASN1_INTEGER:
- case V_ASN1_ENUMERATED:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_INTEGER_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- if (!(atmp->value.integer = s2i_ASN1_INTEGER(NULL, (char *)str)))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER);
- goto bad_str;
- }
- break;
-
- case V_ASN1_OBJECT:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_OBJECT_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- if (!(atmp->value.object = OBJ_txt2obj(str, 0)))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT);
- goto bad_str;
- }
- break;
-
- case V_ASN1_UTCTIME:
- case V_ASN1_GENERALIZEDTIME:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_TIME_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- if (!(atmp->value.asn1_string = ASN1_STRING_new()))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_str;
- }
- if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_str;
- }
- atmp->value.asn1_string->type = utype;
- if (!ASN1_TIME_check(atmp->value.asn1_string))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_TIME_VALUE);
- goto bad_str;
- }
-
- break;
-
- case V_ASN1_BMPSTRING:
- case V_ASN1_PRINTABLESTRING:
- case V_ASN1_IA5STRING:
- case V_ASN1_T61STRING:
- case V_ASN1_UTF8STRING:
- case V_ASN1_VISIBLESTRING:
- case V_ASN1_UNIVERSALSTRING:
- case V_ASN1_GENERALSTRING:
- case V_ASN1_NUMERICSTRING:
-
- if (format == ASN1_GEN_FORMAT_ASCII)
- format = MBSTRING_ASC;
- else if (format == ASN1_GEN_FORMAT_UTF8)
- format = MBSTRING_UTF8;
- else
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT);
- goto bad_form;
- }
-
-
- if (ASN1_mbstring_copy(&atmp->value.asn1_string, (unsigned char *)str,
- -1, format, ASN1_tag2bit(utype)) <= 0)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_str;
- }
-
-
- break;
-
- case V_ASN1_BIT_STRING:
-
- case V_ASN1_OCTET_STRING:
-
- if (!(atmp->value.asn1_string = ASN1_STRING_new()))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_form;
- }
-
- if (format == ASN1_GEN_FORMAT_HEX)
- {
-
- if (!(rdata = string_to_hex((char *)str, &rdlen)))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_HEX);
- goto bad_str;
- }
-
- atmp->value.asn1_string->data = rdata;
- atmp->value.asn1_string->length = rdlen;
- atmp->value.asn1_string->type = utype;
-
- }
- else if (format == ASN1_GEN_FORMAT_ASCII)
- ASN1_STRING_set(atmp->value.asn1_string, str, -1);
- else if ((format == ASN1_GEN_FORMAT_BITLIST) && (utype == V_ASN1_BIT_STRING))
- {
- if (!CONF_parse_list(str, ',', 1, bitstr_cb, atmp->value.bit_string))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_LIST_ERROR);
- goto bad_str;
- }
- no_unused = 0;
-
- }
- else
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BITSTRING_FORMAT);
- goto bad_form;
- }
-
- if ((utype == V_ASN1_BIT_STRING) && no_unused)
- {
- atmp->value.asn1_string->flags
- &= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
- atmp->value.asn1_string->flags
- |= ASN1_STRING_FLAG_BITS_LEFT;
- }
-
-
- break;
-
- default:
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE);
- goto bad_str;
- break;
- }
-
-
- atmp->type = utype;
- return atmp;
-
-
- bad_str:
- ERR_add_error_data(2, "string=", str);
- bad_form:
-
- ASN1_TYPE_free(atmp);
- return NULL;
-
- }
+{
+ ASN1_TYPE *atmp = NULL;
+
+ CONF_VALUE vtmp;
+
+ unsigned char *rdata;
+ long rdlen;
+
+ int no_unused = 1;
+
+ if (!(atmp = ASN1_TYPE_new())) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ if (!str)
+ str = "";
+
+ switch (utype) {
+
+ case V_ASN1_NULL:
+ if (str && *str) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_NULL_VALUE);
+ goto bad_form;
+ }
+ break;
+
+ case V_ASN1_BOOLEAN:
+ if (format != ASN1_GEN_FORMAT_ASCII) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT);
+ goto bad_form;
+ }
+ vtmp.name = NULL;
+ vtmp.section = NULL;
+ vtmp.value = (char *)str;
+ if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean)) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN);
+ goto bad_str;
+ }
+ break;
+
+ case V_ASN1_INTEGER:
+ case V_ASN1_ENUMERATED:
+ if (format != ASN1_GEN_FORMAT_ASCII) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_INTEGER_NOT_ASCII_FORMAT);
+ goto bad_form;
+ }
+ if (!(atmp->value.integer = s2i_ASN1_INTEGER(NULL, (char *)str))) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER);
+ goto bad_str;
+ }
+ break;
+
+ case V_ASN1_OBJECT:
+ if (format != ASN1_GEN_FORMAT_ASCII) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_OBJECT_NOT_ASCII_FORMAT);
+ goto bad_form;
+ }
+ if (!(atmp->value.object = OBJ_txt2obj(str, 0))) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT);
+ goto bad_str;
+ }
+ break;
+
+ case V_ASN1_UTCTIME:
+ case V_ASN1_GENERALIZEDTIME:
+ if (format != ASN1_GEN_FORMAT_ASCII) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_TIME_NOT_ASCII_FORMAT);
+ goto bad_form;
+ }
+ if (!(atmp->value.asn1_string = ASN1_STRING_new())) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+ goto bad_str;
+ }
+ if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1)) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+ goto bad_str;
+ }
+ atmp->value.asn1_string->type = utype;
+ if (!ASN1_TIME_check(atmp->value.asn1_string)) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_TIME_VALUE);
+ goto bad_str;
+ }
+
+ break;
+
+ case V_ASN1_BMPSTRING:
+ case V_ASN1_PRINTABLESTRING:
+ case V_ASN1_IA5STRING:
+ case V_ASN1_T61STRING:
+ case V_ASN1_UTF8STRING:
+ case V_ASN1_VISIBLESTRING:
+ case V_ASN1_UNIVERSALSTRING:
+ case V_ASN1_GENERALSTRING:
+ case V_ASN1_NUMERICSTRING:
+
+ if (format == ASN1_GEN_FORMAT_ASCII)
+ format = MBSTRING_ASC;
+ else if (format == ASN1_GEN_FORMAT_UTF8)
+ format = MBSTRING_UTF8;
+ else {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT);
+ goto bad_form;
+ }
+
+ if (ASN1_mbstring_copy(&atmp->value.asn1_string, (unsigned char *)str,
+ -1, format, ASN1_tag2bit(utype)) <= 0) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+ goto bad_str;
+ }
+
+ break;
+
+ case V_ASN1_BIT_STRING:
+
+ case V_ASN1_OCTET_STRING:
+
+ if (!(atmp->value.asn1_string = ASN1_STRING_new())) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
+ goto bad_form;
+ }
+
+ if (format == ASN1_GEN_FORMAT_HEX) {
+
+ if (!(rdata = string_to_hex((char *)str, &rdlen))) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_HEX);
+ goto bad_str;
+ }
+
+ atmp->value.asn1_string->data = rdata;
+ atmp->value.asn1_string->length = rdlen;
+ atmp->value.asn1_string->type = utype;
+
+ } else if (format == ASN1_GEN_FORMAT_ASCII)
+ ASN1_STRING_set(atmp->value.asn1_string, str, -1);
+ else if ((format == ASN1_GEN_FORMAT_BITLIST)
+ && (utype == V_ASN1_BIT_STRING)) {
+ if (!CONF_parse_list
+ (str, ',', 1, bitstr_cb, atmp->value.bit_string)) {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_LIST_ERROR);
+ goto bad_str;
+ }
+ no_unused = 0;
+
+ } else {
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BITSTRING_FORMAT);
+ goto bad_form;
+ }
+
+ if ((utype == V_ASN1_BIT_STRING) && no_unused) {
+ atmp->value.asn1_string->flags
+ &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
+ atmp->value.asn1_string->flags |= ASN1_STRING_FLAG_BITS_LEFT;
+ }
+
+ break;
+
+ default:
+ ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE);
+ goto bad_str;
+ }
+
+ atmp->type = utype;
+ return atmp;
+
+ bad_str:
+ ERR_add_error_data(2, "string=", str);
+ bad_form:
+
+ ASN1_TYPE_free(atmp);
+ return NULL;
+
+}
static int bitstr_cb(const char *elem, int len, void *bitstr)
- {
- long bitnum;
- char *eptr;
- if (!elem)
- return 0;
- bitnum = strtoul(elem, &eptr, 10);
- if (eptr && *eptr && (eptr != elem + len))
- return 0;
- if (bitnum < 0)
- {
- ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER);
- return 0;
- }
- if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1))
- {
- ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- return 1;
- }
-
+{
+ long bitnum;
+ char *eptr;
+ if (!elem)
+ return 0;
+ bitnum = strtoul(elem, &eptr, 10);
+ if (eptr && *eptr && (eptr != elem + len))
+ return 0;
+ if (bitnum < 0) {
+ ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER);
+ return 0;
+ }
+ if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1)) {
+ ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ return 1;
+}
+
+static int mask_cb(const char *elem, int len, void *arg)
+{
+ unsigned long *pmask = arg, tmpmask;
+ int tag;
+ if (elem == NULL)
+ return 0;
+ if ((len == 3) && (strncmp(elem, "DIR", 3) == 0)) {
+ *pmask |= B_ASN1_DIRECTORYSTRING;
+ return 1;
+ }
+ tag = asn1_str2tag(elem, len);
+ if (!tag || (tag & ASN1_GEN_FLAG))
+ return 0;
+ tmpmask = ASN1_tag2bit(tag);
+ if (!tmpmask)
+ return 0;
+ *pmask |= tmpmask;
+ return 1;
+}
+
+int ASN1_str2mask(const char *str, unsigned long *pmask)
+{
+ *pmask = 0;
+ return CONF_parse_list(str, '|', 1, mask_cb, pmask);
+}
projects / openssl.git / blobdiff