Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 362 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/krb5/salt.c b/third_party/heimdal/lib/krb5/salt.c
new file mode 100644
index 0000000..fa926f3
--- /dev/null
+++ b/third_party/heimdal/lib/krb5/salt.c
@@ -0,0 +1,362 @@
+/*
+ * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS 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 INSTITUTE OR 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.
+ */
+
+#include "krb5_locl.h"
+
+/* coverity[+alloc : arg-*3] */
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_salttype_to_string (krb5_context context,
+			 krb5_enctype etype,
+			 krb5_salttype stype,
+			 char **string)
+{
+    struct _krb5_encryption_type *e;
+    struct salt_type *st;
+
+    *string = NULL;
+    e = _krb5_find_enctype (etype);
+    if (e == NULL) {
+	krb5_set_error_message(context, KRB5_PROG_ETYPE_NOSUPP,
+			       "encryption type %d not supported",
+			       etype);
+	return KRB5_PROG_ETYPE_NOSUPP;
+    }
+    for (st = e->keytype->string_to_key; st && st->type; st++) {
+	if (st->type == stype) {
+	    *string = strdup (st->name);
+	    if (*string == NULL)
+		return krb5_enomem(context);
+	    return 0;
+	}
+    }
+    krb5_set_error_message (context, HEIM_ERR_SALTTYPE_NOSUPP,
+			    "salttype %d not supported", stype);
+    return HEIM_ERR_SALTTYPE_NOSUPP;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_salttype (krb5_context context,
+			 krb5_enctype etype,
+			 const char *string,
+			 krb5_salttype *salttype)
+{
+    struct _krb5_encryption_type *e;
+    struct salt_type *st;
+
+    e = _krb5_find_enctype (etype);
+    if (e == NULL) {
+	krb5_set_error_message(context, KRB5_PROG_ETYPE_NOSUPP,
+			       N_("encryption type %d not supported", ""),
+			       etype);
+	return KRB5_PROG_ETYPE_NOSUPP;
+    }
+    for (st = e->keytype->string_to_key; st && st->type; st++) {
+	if (strcasecmp (st->name, string) == 0) {
+	    *salttype = st->type;
+	    return 0;
+	}
+    }
+    krb5_set_error_message(context, HEIM_ERR_SALTTYPE_NOSUPP,
+			   N_("salttype %s not supported", ""), string);
+    return HEIM_ERR_SALTTYPE_NOSUPP;
+}
+
+/*
+ * Like MIT's krb5_string_to_keysalts(), but simpler and with a context
+ * argument.
+ */
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_keysalts2(krb5_context context, const char *string,
+                         size_t *nksaltp, krb5_key_salt_tuple **ksaltp)
+{
+    /* deleted: tupleseps, ksaltseps, dups */
+    krb5_key_salt_tuple *tmp = NULL;
+    krb5_error_code ret = 0;
+    char *copy, *token, *stype_str;
+    char *lasts = NULL;
+    krb5_enctype etype;
+    krb5_salttype stype;
+    size_t i;
+
+    *ksaltp = NULL;
+    *nksaltp = 0;
+    if ((copy = strdup(string)) == NULL)
+        return krb5_enomem(context);
+    for (token = strtok_r(copy, ", \t", &lasts), ret = 0;
+         token != NULL;
+         token = strtok_r(NULL, ", \t", &lasts)) {
+        if ((stype_str = strchr(token, ':')) != NULL)
+            *(stype_str++) = '\0';
+        if ((ret = krb5_string_to_enctype(context, token, &etype)))
+            continue;
+        if (stype_str == NULL)
+            stype = KRB5_PW_SALT;
+        else if ((ret = krb5_string_to_salttype(context, etype, stype_str, &stype)))
+            continue;
+        for (i = 0; i < *nksaltp; i++) {
+            if ((*ksaltp)[i].ks_enctype == etype &&
+                (*ksaltp)[i].ks_salttype == stype)
+                goto skip;
+        }
+        tmp = realloc(*ksaltp, ((*nksaltp) + 1) * sizeof(**ksaltp));
+        if (tmp == NULL) {
+            ret = krb5_enomem(context);
+            break;
+        }
+        *ksaltp = tmp;
+        (*ksaltp)[*nksaltp].ks_enctype = etype;
+        (*ksaltp)[*nksaltp].ks_salttype = stype;
+        (*nksaltp)++;
+skip:
+        (void)1;
+    }
+    free(copy);
+    if (ret == ENOMEM) {
+        free(*ksaltp);
+        *nksaltp = 0;
+        *ksaltp = NULL;
+    } else if (*nksaltp) {
+        return 0;
+    } else if (ret == 0) {
+        return KRB5_PROG_ETYPE_NOSUPP;
+    }
+    return ret;
+}
+
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_get_pw_salt(krb5_context context,
+		 krb5_const_principal principal,
+		 krb5_salt *salt)
+{
+    size_t len;
+    size_t i;
+    krb5_error_code ret;
+    char *p;
+
+    salt->salttype = KRB5_PW_SALT;
+    len = strlen(principal->realm);
+    for (i = 0; i < principal->name.name_string.len; ++i)
+	len += strlen(principal->name.name_string.val[i]);
+    ret = krb5_data_alloc (&salt->saltvalue, len);
+    if (ret)
+	return ret;
+    p = salt->saltvalue.data;
+    memcpy (p, principal->realm, strlen(principal->realm));
+    p += strlen(principal->realm);
+    for (i = 0; i < principal->name.name_string.len; ++i) {
+	memcpy (p,
+		principal->name.name_string.val[i],
+		strlen(principal->name.name_string.val[i]));
+	p += strlen(principal->name.name_string.val[i]);
+    }
+    return 0;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_free_salt(krb5_context context,
+	       krb5_salt salt)
+{
+    krb5_data_free(&salt.saltvalue);
+    return 0;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key_data (krb5_context context,
+			 krb5_enctype enctype,
+			 krb5_data password,
+			 krb5_const_principal principal,
+			 krb5_keyblock *key)
+{
+    krb5_error_code ret;
+    krb5_salt salt;
+
+    ret = krb5_get_pw_salt(context, principal, &salt);
+    if(ret)
+	return ret;
+    ret = krb5_string_to_key_data_salt(context, enctype, password, salt, key);
+    krb5_free_salt(context, salt);
+    return ret;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key (krb5_context context,
+		    krb5_enctype enctype,
+		    const char *password,
+		    krb5_const_principal principal,
+		    krb5_keyblock *key)
+{
+    krb5_data pw;
+    pw.data = rk_UNCONST(password);
+    pw.length = strlen(password);
+    return krb5_string_to_key_data(context, enctype, pw, principal, key);
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key_data_salt (krb5_context context,
+			      krb5_enctype enctype,
+			      krb5_data password,
+			      krb5_salt salt,
+			      krb5_keyblock *key)
+{
+    krb5_data opaque;
+    krb5_data_zero(&opaque);
+    return krb5_string_to_key_data_salt_opaque(context, enctype, password,
+					       salt, opaque, key);
+}
+
+/*
+ * Do a string -> key for encryption type `enctype' operation on
+ * `password' (with salt `salt' and the enctype specific data string
+ * `opaque'), returning the resulting key in `key'
+ */
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key_data_salt_opaque (krb5_context context,
+				     krb5_enctype enctype,
+				     krb5_data password,
+				     krb5_salt salt,
+				     krb5_data opaque,
+				     krb5_keyblock *key)
+{
+    struct _krb5_encryption_type *et =_krb5_find_enctype(enctype);
+    struct salt_type *st;
+    if(et == NULL) {
+	krb5_set_error_message(context, KRB5_PROG_ETYPE_NOSUPP,
+			       N_("encryption type %d not supported", ""),
+			       enctype);
+	return KRB5_PROG_ETYPE_NOSUPP;
+    }
+    for(st = et->keytype->string_to_key; st && st->type; st++)
+	if(st->type == salt.salttype)
+	    return (*st->string_to_key)(context, enctype, password,
+					salt, opaque, key);
+    krb5_set_error_message(context, HEIM_ERR_SALTTYPE_NOSUPP,
+			   N_("salt type %d not supported", ""),
+			   salt.salttype);
+    return HEIM_ERR_SALTTYPE_NOSUPP;
+}
+
+/*
+ * Do a string -> key for encryption type `enctype' operation on the
+ * string `password' (with salt `salt'), returning the resulting key
+ * in `key'
+ */
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key_salt (krb5_context context,
+			 krb5_enctype enctype,
+			 const char *password,
+			 krb5_salt salt,
+			 krb5_keyblock *key)
+{
+    krb5_data pw;
+    pw.data = rk_UNCONST(password);
+    pw.length = strlen(password);
+    return krb5_string_to_key_data_salt(context, enctype, pw, salt, key);
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key_salt_opaque (krb5_context context,
+				krb5_enctype enctype,
+				const char *password,
+				krb5_salt salt,
+				krb5_data opaque,
+				krb5_keyblock *key)
+{
+    krb5_data pw;
+    pw.data = rk_UNCONST(password);
+    pw.length = strlen(password);
+    return krb5_string_to_key_data_salt_opaque(context, enctype,
+					       pw, salt, opaque, key);
+}
+
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_string_to_key_derived(krb5_context context,
+			   const void *str,
+			   size_t len,
+			   krb5_enctype etype,
+			   krb5_keyblock *key)
+{
+    struct _krb5_encryption_type *et = _krb5_find_enctype(etype);
+    krb5_error_code ret;
+    struct _krb5_key_data kd;
+    size_t keylen;
+    u_char *tmp;
+
+    if(et == NULL) {
+	krb5_set_error_message (context, KRB5_PROG_ETYPE_NOSUPP,
+				N_("encryption type %d not supported", ""),
+				etype);
+	return KRB5_PROG_ETYPE_NOSUPP;
+    }
+    keylen = et->keytype->bits / 8;
+
+    ALLOC(kd.key, 1);
+    if (kd.key == NULL)
+	return krb5_enomem(context);
+    ret = krb5_data_alloc(&kd.key->keyvalue, et->keytype->size);
+    if(ret) {
+	free(kd.key);
+	return ret;
+    }
+    kd.key->keytype = etype;
+    tmp = malloc (keylen);
+    if(tmp == NULL) {
+	krb5_free_keyblock(context, kd.key);
+	return krb5_enomem(context);
+    }
+    ret = _krb5_n_fold(str, len, tmp, keylen);
+    if (ret) {
+	free(tmp);
+	krb5_enomem(context);
+	return ret;
+    }
+    kd.schedule = NULL;
+    _krb5_DES3_random_to_key(context, kd.key, tmp, keylen);
+    memset(tmp, 0, keylen);
+    free(tmp);
+    ret = _krb5_derive_key(context,
+			   et,
+			   &kd,
+			   "kerberos", /* XXX well known constant */
+			   strlen("kerberos"));
+    if (ret) {
+	_krb5_free_key_data(context, &kd, et);
+	return ret;
+    }
+    ret = krb5_copy_keyblock_contents(context, kd.key, key);
+    _krb5_free_key_data(context, &kd, et);
+    return ret;
+}