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, 245 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/hx509/env.c b/third_party/heimdal/lib/hx509/env.c
new file mode 100644
index 0000000..7970438
--- /dev/null
+++ b/third_party/heimdal/lib/hx509/env.c
@@ -0,0 +1,245 @@
+/*
+ * Copyright (c) 2007 - 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 "hx_locl.h"
+
+/**
+ * @page page_env Hx509 environment functions
+ *
+ * See the library functions here: @ref hx509_env
+ */
+
+/**
+ * Add a new key/value pair to the hx509_env.
+ *
+ * @param context A hx509 context.
+ * @param env environment to add the environment variable too.
+ * @param key key to add
+ * @param value value to add
+ *
+ * @return An hx509 error code, see hx509_get_error_string().
+ *
+ * @ingroup hx509_env
+ */
+
+HX509_LIB_FUNCTION int HX509_LIB_CALL
+hx509_env_add(hx509_context context, hx509_env *env,
+	      const char *key, const char *value)
+{
+    hx509_env n;
+
+    n = malloc(sizeof(*n));
+    if (n == NULL) {
+	hx509_set_error_string(context, 0, ENOMEM, "out of memory");
+	return ENOMEM;
+    }
+
+    n->type = env_string;
+    n->next = NULL;
+    n->name = strdup(key);
+    if (n->name == NULL) {
+	free(n);
+	return ENOMEM;
+    }
+    n->u.string = strdup(value);
+    if (n->u.string == NULL) {
+	free(n->name);
+	free(n);
+	return ENOMEM;
+    }
+
+    /* add to tail */
+    if (*env) {
+	hx509_env e = *env;
+	while (e->next)
+	    e = e->next;
+	e->next = n;
+    } else
+	*env = n;
+
+    return 0;
+}
+
+/**
+ * Add a new key/binding pair to the hx509_env.
+ *
+ * @param context A hx509 context.
+ * @param env environment to add the environment variable too.
+ * @param key key to add
+ * @param list binding list to add
+ *
+ * @return An hx509 error code, see hx509_get_error_string().
+ *
+ * @ingroup hx509_env
+ */
+
+HX509_LIB_FUNCTION int HX509_LIB_CALL
+hx509_env_add_binding(hx509_context context, hx509_env *env,
+		      const char *key, hx509_env list)
+{
+    hx509_env n;
+
+    n = malloc(sizeof(*n));
+    if (n == NULL) {
+	hx509_set_error_string(context, 0, ENOMEM, "out of memory");
+	return ENOMEM;
+    }
+
+    n->type = env_list;
+    n->next = NULL;
+    n->name = strdup(key);
+    if (n->name == NULL) {
+	free(n);
+	return ENOMEM;
+    }
+    n->u.list = list;
+
+    /* add to tail */
+    if (*env) {
+	hx509_env e = *env;
+	while (e->next)
+	    e = e->next;
+	e->next = n;
+    } else
+	*env = n;
+
+    return 0;
+}
+
+
+/**
+ * Search the hx509_env for a length based key.
+ *
+ * @param context A hx509 context.
+ * @param env environment to add the environment variable too.
+ * @param key key to search for.
+ * @param len length of key.
+ *
+ * @return the value if the key is found, NULL otherwise.
+ *
+ * @ingroup hx509_env
+ */
+
+HX509_LIB_FUNCTION const char * HX509_LIB_CALL
+hx509_env_lfind(hx509_context context, hx509_env env,
+		const char *key, size_t len)
+{
+    while(env) {
+	if (strncmp(key, env->name ,len) == 0
+	    && env->name[len] == '\0' && env->type == env_string)
+	    return env->u.string;
+	env = env->next;
+    }
+    return NULL;
+}
+
+/**
+ * Search the hx509_env for a key.
+ *
+ * @param context A hx509 context.
+ * @param env environment to add the environment variable too.
+ * @param key key to search for.
+ *
+ * @return the value if the key is found, NULL otherwise.
+ *
+ * @ingroup hx509_env
+ */
+
+HX509_LIB_FUNCTION const char * HX509_LIB_CALL
+hx509_env_find(hx509_context context, hx509_env env, const char *key)
+{
+    while(env) {
+	if (strcmp(key, env->name) == 0 && env->type == env_string)
+	    return env->u.string;
+	env = env->next;
+    }
+    return NULL;
+}
+
+/**
+ * Search the hx509_env for a binding.
+ *
+ * @param context A hx509 context.
+ * @param env environment to add the environment variable too.
+ * @param key key to search for.
+ *
+ * @return the binding if the key is found, NULL if not found.
+ *
+ * @ingroup hx509_env
+ */
+
+hx509_env
+hx509_env_find_binding(hx509_context context,
+		       hx509_env env,
+		       const char *key)
+{
+    while(env) {
+	if (strcmp(key, env->name) == 0 && env->type == env_list)
+	    return env->u.list;
+	env = env->next;
+    }
+    return NULL;
+}
+
+static void
+env_free(hx509_env b)
+{
+    while(b) {
+	hx509_env next = b->next;
+
+	if (b->type == env_string)
+	    free(b->u.string);
+	else if (b->type == env_list)
+	    env_free(b->u.list);
+
+	free(b->name);
+	free(b);
+	b = next;
+    }
+}
+
+/**
+ * Free an hx509_env environment context.
+ *
+ * @param env the environment to free.
+ *
+ * @ingroup hx509_env
+ */
+
+HX509_LIB_FUNCTION void HX509_LIB_CALL
+hx509_env_free(hx509_env *env)
+{
+    if (*env)
+	env_free(*env);
+    *env = NULL;
+}