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authorDr. Stephen Henson <steve@openssl.org>1999-01-24 00:50:01 +0000
committerDr. Stephen Henson <steve@openssl.org>1999-01-24 00:50:01 +0000
commit9aeaf1b4a7924cabf829bf57d0ca87d311cd2dfe (patch)
tree2fcca9cb74c2bf745deb7d6977f3da826347bff7 /crypto/x509v3/v3_utl.c
parent69d1dfba24c9200a2cd307bf0b1949f6bb6291ea (diff)
Initial addition of new X509 V3 files, tidy of old files.
Diffstat (limited to 'crypto/x509v3/v3_utl.c')
-rw-r--r--crypto/x509v3/v3_utl.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/crypto/x509v3/v3_utl.c b/crypto/x509v3/v3_utl.c
new file mode 100644
index 0000000000..a9068a2f0d
--- /dev/null
+++ b/crypto/x509v3/v3_utl.c
@@ -0,0 +1,312 @@
+/* v3_utl.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).
+ *
+ */
+/* X509 v3 extension utilities */
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <pem.h>
+#include <conf.h>
+#include <err.h>
+#include "x509v3.h"
+
+static char * str_dup(char *str);
+static char *strip_spaces(char *name);
+
+static char *str_dup(str)
+char *str;
+{
+ char *tmp;
+ if(!(tmp = Malloc(strlen(str) + 1))) return NULL;
+ strcpy(tmp, str);
+ return tmp;
+}
+
+/* Add a CONF_VALUE name value pair to stack */
+
+int X509V3_add_value(name, value, extlist)
+char *name;
+char *value;
+STACK **extlist;
+{
+ CONF_VALUE *vtmp = NULL;
+ char *tname = NULL, *tvalue = NULL;
+ if(name && !(tname = str_dup(name))) goto err;
+ if(value && !(tvalue = str_dup(value))) goto err;;
+ if(!(vtmp = (CONF_VALUE *)Malloc(sizeof(CONF_VALUE)))) goto err;
+ if(!*extlist && !(*extlist = sk_new(NULL))) goto err;
+ vtmp->section = NULL;
+ vtmp->name = tname;
+ vtmp->value = tvalue;
+ if(!sk_push(*extlist, (char *)vtmp)) goto err;
+ return 1;
+ err:
+ X509V3err(X509V3_F_X509V3_ADD_VALUE,ERR_R_MALLOC_FAILURE);
+ if(vtmp) Free(vtmp);
+ if(tname) Free(tname);
+ if(tvalue) Free(tvalue);
+ return 0;
+}
+
+/* Free function for STACK of CONF_VALUE */
+
+void X509V3_conf_free(conf)
+CONF_VALUE *conf;
+{
+ if(!conf) return;
+ if(conf->name) Free(conf->name);
+ if(conf->value) Free(conf->value);
+ if(conf->section) Free(conf->section);
+ Free((char *)conf);
+}
+
+int X509V3_add_value_bool(name, asn1_bool, extlist)
+char *name;
+int asn1_bool;
+STACK **extlist;
+{
+ if(asn1_bool) return X509V3_add_value(name, "TRUE", extlist);
+ return X509V3_add_value(name, "FALSE", extlist);
+}
+
+int X509V3_add_value_bool_nf(name, asn1_bool, extlist)
+char *name;
+int asn1_bool;
+STACK **extlist;
+{
+ if(asn1_bool) return X509V3_add_value(name, "TRUE", extlist);
+ return 1;
+}
+
+int X509V3_add_value_int(name, aint, extlist)
+char *name;
+ASN1_INTEGER *aint;
+STACK **extlist;
+{
+ BIGNUM *bntmp;
+ char *strtmp;
+ int ret;
+ if(!aint) return 1;
+ bntmp = ASN1_INTEGER_to_BN(aint, NULL);
+ strtmp = BN_bn2dec(bntmp);
+ ret = X509V3_add_value(name, strtmp, extlist);
+ BN_free(bntmp);
+ Free(strtmp);
+ return ret;
+}
+
+int X509V3_get_value_bool(value, asn1_bool)
+CONF_VALUE *value;
+int *asn1_bool;
+{
+ char *btmp;
+ if(!(btmp = value->value)) goto err;
+ if(!strcmp(btmp, "TRUE") || !strcmp(btmp, "true")
+ || !strcmp(btmp, "Y") || !strcmp(btmp, "y")
+ || !strcmp(btmp, "YES") || !strcmp(btmp, "yes")) {
+ *asn1_bool = 0xff;
+ return 1;
+ } else if(!strcmp(btmp, "FALSE") || !strcmp(btmp, "false")
+ || !strcmp(btmp, "N") || !strcmp(btmp, "n")
+ || !strcmp(btmp, "NO") || !strcmp(btmp, "no")) {
+ *asn1_bool = 0;
+ return 1;
+ }
+ err:
+ X509V3err(X509V3_F_X509V3_VALUE_GET_BOOL,X509V3_R_INVALID_BOOLEAN_STRING);
+ X509V3_conf_err(value);
+ return 0;
+}
+
+int X509V3_get_value_int(value, aint)
+CONF_VALUE *value;
+ASN1_INTEGER **aint;
+{
+ BIGNUM *bn = NULL;
+ bn = BN_new();
+ if(!value->value) {
+ X509V3err(X509V3_F_X509V3_GET_VALUE_INT,X509V3_R_INVALID_NULL_VALUE);
+ X509V3_conf_err(value);
+ return 0;
+ }
+ if(!BN_dec2bn(&bn, value->value)) {
+ X509V3err(X509V3_F_X509V3_GET_VALUE_INT,X509V3_R_BN_DEC2BN_ERROR);
+ X509V3_conf_err(value);
+ return 0;
+ }
+
+ if(!(*aint = BN_to_ASN1_INTEGER(bn, NULL))) {
+ X509V3err(X509V3_F_X509V3_GET_VALUE_INT,X509V3_R_BN_TO_ASN1_INTEGER_ERROR);
+ X509V3_conf_err(value);
+ return 0;
+ }
+ BN_free(bn);
+ return 1;
+}
+
+#define HDR_NAME 1
+#define HDR_VALUE 2
+
+/*#define DEBUG*/
+
+STACK *X509V3_parse_list(line)
+char *line;
+{
+ char *p, *q, c;
+ char *ntmp, *vtmp;
+ STACK *values = NULL;
+ char *linebuf;
+ int state;
+ /* We are going to modify the line so copy it first */
+ linebuf = str_dup(line);
+ state = HDR_NAME;
+ ntmp = NULL;
+ /* Go through all characters */
+ for(p = linebuf, q = linebuf; (c = *p) && (c!='\r') && (c!='\n'); p++) {
+
+ switch(state) {
+ case HDR_NAME:
+ if(c == ':') {
+ state = HDR_VALUE;
+ *p = 0;
+ ntmp = strip_spaces(q);
+ if(!ntmp) {
+ X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
+ goto err;
+ }
+ q = p + 1;
+ } else if(c == ',') {
+ *p = 0;
+ ntmp = strip_spaces(q);
+ q = p + 1;
+#ifdef DEBUG
+ printf("%s\n", ntmp);
+#endif
+ if(!ntmp) {
+ X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
+ goto err;
+ }
+ X509V3_add_value(ntmp, NULL, &values);
+ }
+ break ;
+
+ case HDR_VALUE:
+ if(c == ',') {
+ state = HDR_NAME;
+ *p = 0;
+ vtmp = strip_spaces(q);
+#ifdef DEBUG
+ printf("%s\n", ntmp);
+#endif
+ if(!vtmp) {
+ X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_VALUE);
+ goto err;
+ }
+ X509V3_add_value(ntmp, vtmp, &values);
+ ntmp = NULL;
+ q = p + 1;
+ }
+
+ }
+ }
+
+ if(state == HDR_VALUE) {
+ vtmp = strip_spaces(q);
+#ifdef DEBUG
+ printf("%s=%s\n", ntmp, vtmp);
+#endif
+ if(!vtmp) {
+ X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_VALUE);
+ goto err;
+ }
+ X509V3_add_value(ntmp, vtmp, &values);
+ } else {
+ ntmp = strip_spaces(q);
+#ifdef DEBUG
+ printf("%s\n", ntmp);
+#endif
+ if(!ntmp) {
+ X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
+ goto err;
+ }
+ X509V3_add_value(ntmp, NULL, &values);
+ }
+Free(linebuf);
+return values;
+
+err:
+Free(linebuf);
+sk_pop_free(values, X509V3_conf_free);
+return NULL;
+
+}
+
+/* Delete leading and trailing spaces from a string */
+static char *strip_spaces(name)
+char *name;
+{
+ char *p, *q;
+ /* Skip over leading spaces */
+ p = name;
+ while(*p && isspace(*p)) p++;
+ if(!*p) return NULL;
+ q = p + strlen(p) - 1;
+ while((q != p) && isspace(*q)) q--;
+ if(p != q) q[1] = 0;
+ if(!*p) return NULL;
+ return p;
+}