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-rw-r--r--src/uri_auth.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/src/uri_auth.c b/src/uri_auth.c
new file mode 100644
index 0000000..db7e6c6
--- /dev/null
+++ b/src/uri_auth.c
@@ -0,0 +1,318 @@
+/*
+ * URI-based user authentication using the HTTP basic method.
+ *
+ * Copyright 2006-2007 Willy Tarreau <w@1wt.eu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <haproxy/api.h>
+#include <haproxy/base64.h>
+#include <haproxy/errors.h>
+#include <haproxy/list.h>
+#include <haproxy/stats-t.h>
+#include <haproxy/uri_auth.h>
+
+
+/*
+ * Initializes a basic uri_auth structure header and returns a pointer to it.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_check_init_uri_auth(struct uri_auth **root)
+{
+ struct uri_auth *u;
+
+ if (!root || !*root) {
+ if ((u = calloc(1, sizeof (*u))) == NULL)
+ goto out_u;
+
+ LIST_INIT(&u->http_req_rules);
+ LIST_INIT(&u->admin_rules);
+ } else
+ u = *root;
+
+ if (!u->uri_prefix) {
+ u->uri_len = strlen(STATS_DEFAULT_URI);
+ if ((u->uri_prefix = strdup(STATS_DEFAULT_URI)) == NULL)
+ goto out_uri;
+ }
+
+ if (root && !*root)
+ *root = u;
+
+ return u;
+
+ out_uri:
+ if (!root || !*root)
+ free(u);
+ out_u:
+ return NULL;
+}
+
+/*
+ * Returns a default uri_auth with <uri> set as the uri_prefix.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_set_uri(struct uri_auth **root, char *uri)
+{
+ struct uri_auth *u;
+ char *uri_copy;
+ int uri_len;
+
+ uri_len = strlen(uri);
+ if ((uri_copy = strdup(uri)) == NULL)
+ goto out_uri;
+
+ if ((u = stats_check_init_uri_auth(root)) == NULL)
+ goto out_u;
+
+ free(u->uri_prefix);
+ u->uri_prefix = uri_copy;
+ u->uri_len = uri_len;
+ return u;
+
+ out_u:
+ free(uri_copy);
+ out_uri:
+ return NULL;
+}
+
+/*
+ * Returns a default uri_auth with <realm> set as the realm.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_set_realm(struct uri_auth **root, char *realm)
+{
+ struct uri_auth *u;
+ char *realm_copy;
+
+ if ((realm_copy = strdup(realm)) == NULL)
+ goto out_realm;
+
+ if ((u = stats_check_init_uri_auth(root)) == NULL)
+ goto out_u;
+
+ free(u->auth_realm);
+ u->auth_realm = realm_copy;
+ return u;
+
+ out_u:
+ free(realm_copy);
+ out_realm:
+ return NULL;
+}
+
+/*
+ * Returns a default uri_auth with STAT_SHNODE flag enabled and
+ * <node> set as the name if it is not empty.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_set_node(struct uri_auth **root, char *name)
+{
+ struct uri_auth *u;
+ char *node_copy = NULL;
+
+ if (name && *name) {
+ node_copy = strdup(name);
+ if (node_copy == NULL)
+ goto out_realm;
+ }
+
+ if ((u = stats_check_init_uri_auth(root)) == NULL)
+ goto out_u;
+
+ if (!stats_set_flag(root, STAT_SHNODE))
+ goto out_u;
+
+ if (node_copy) {
+ free(u->node);
+ u->node = node_copy;
+ }
+
+ return u;
+
+ out_u:
+ free(node_copy);
+ out_realm:
+ return NULL;
+}
+
+/*
+ * Returns a default uri_auth with STAT_SHDESC flag enabled and
+ * <description> set as the desc if it is not empty.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_set_desc(struct uri_auth **root, char *desc)
+{
+ struct uri_auth *u;
+ char *desc_copy = NULL;
+
+ if (desc && *desc) {
+ desc_copy = strdup(desc);
+ if (desc_copy == NULL)
+ goto out_realm;
+ }
+
+ if ((u = stats_check_init_uri_auth(root)) == NULL)
+ goto out_u;
+
+ if (!stats_set_flag(root, STAT_SHDESC))
+ goto out_u;
+
+ if (desc_copy) {
+ free(u->desc);
+ u->desc = desc_copy;
+ }
+
+ return u;
+
+ out_u:
+ free(desc_copy);
+ out_realm:
+ return NULL;
+}
+
+/*
+ * Returns a default uri_auth with the <refresh> refresh interval.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_set_refresh(struct uri_auth **root, int interval)
+{
+ struct uri_auth *u;
+
+ if ((u = stats_check_init_uri_auth(root)) != NULL)
+ u->refresh = interval;
+ return u;
+}
+
+/*
+ * Returns a default uri_auth with the <flag> set.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_set_flag(struct uri_auth **root, int flag)
+{
+ struct uri_auth *u;
+
+ if ((u = stats_check_init_uri_auth(root)) != NULL)
+ u->flags |= flag;
+ return u;
+}
+
+/*
+ * Returns a default uri_auth with a <user:passwd> entry added to the list of
+ * authorized users. If a matching entry is found, no update will be performed.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_add_auth(struct uri_auth **root, char *user)
+{
+ struct uri_auth *u;
+ struct auth_users *newuser;
+ char *pass;
+
+ pass = strchr(user, ':');
+ if (pass)
+ *pass++ = '\0';
+ else
+ pass = "";
+
+ if ((u = stats_check_init_uri_auth(root)) == NULL)
+ return NULL;
+
+ if (!u->userlist)
+ u->userlist = calloc(1, sizeof(*u->userlist));
+
+ if (!u->userlist)
+ return NULL;
+
+ if (!u->userlist->name)
+ u->userlist->name = strdup(".internal-stats-userlist");
+
+ if (!u->userlist->name)
+ return NULL;
+
+ for (newuser = u->userlist->users; newuser; newuser = newuser->next)
+ if (strcmp(newuser->user, user) == 0) {
+ ha_warning("uri auth: ignoring duplicated user '%s'.\n",
+ user);
+ return u;
+ }
+
+ newuser = calloc(1, sizeof(*newuser));
+ if (!newuser)
+ return NULL;
+
+ newuser->user = strdup(user);
+ if (!newuser->user) {
+ free(newuser);
+ return NULL;
+ }
+
+ newuser->pass = strdup(pass);
+ if (!newuser->pass) {
+ free(newuser->user);
+ free(newuser);
+ return NULL;
+ }
+
+ newuser->flags |= AU_O_INSECURE;
+ newuser->next = u->userlist->users;
+ u->userlist->users = newuser;
+
+ return u;
+}
+
+/*
+ * Returns a default uri_auth with a <scope> entry added to the list of
+ * allowed scopes. If a matching entry is found, no update will be performed.
+ * Uses the pointer provided if not NULL and not initialized.
+ */
+struct uri_auth *stats_add_scope(struct uri_auth **root, char *scope)
+{
+ struct uri_auth *u;
+ char *new_name;
+ struct stat_scope *old_scope, **scope_list;
+
+ if ((u = stats_check_init_uri_auth(root)) == NULL)
+ goto out;
+
+ scope_list = &u->scope;
+ while ((old_scope = *scope_list)) {
+ if (strcmp(old_scope->px_id, scope) == 0)
+ break;
+ scope_list = &old_scope->next;
+ }
+
+ if (!old_scope) {
+ if ((new_name = strdup(scope)) == NULL)
+ goto out_u;
+
+ if ((old_scope = calloc(1, sizeof(*old_scope))) == NULL)
+ goto out_name;
+
+ old_scope->px_id = new_name;
+ old_scope->px_len = strlen(new_name);
+ *scope_list = old_scope;
+ }
+ return u;
+
+ out_name:
+ free(new_name);
+ out_u:
+ free(u);
+ out:
+ return NULL;
+}
+
+/*
+ * Local variables:
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * End:
+ */