#include "list.h"
#include "user_list.h"
-INITIALIZED_LIST_HEAD(user_list);
+static INITIALIZED_LIST_HEAD(user_list);
/*
* Wrapper for fgets(3).
goto again;
}
-/*
- * Fill the list of users known to para_server.
+/**
+ * Remove all entries from the user list.
+ *
+ * This is called on shutdown and when the user list is reloaded because the
+ * server received SIGHUP.
+ */
+void user_list_deplete(void)
+{
+ struct user *u, *tmpu;
+
+ list_for_each_entry_safe(u, tmpu, &user_list, node) {
+ list_del(&u->node);
+ free(u->name);
+ apc_free_pubkey(u->pubkey);
+ free(u);
+ }
+}
+
+/**
+ * Initialize the list of users allowed to connect to para_server.
+ *
+ * \param user_list_file The file containing access information.
+ *
+ * If this function is called for the second time, the contents of the
+ * previous call are discarded, i.e. the user list is reloaded.
*
- * Populates a linked list of all users in \a user_list_file. Returns on
- * success, calls exit() on errors.
+ * This function either succeeds or calls exit(3).
*/
-static void populate(char *user_list_file)
+void user_list_init(const char *user_list_file)
{
int ret = -E_USERLIST;
FILE *file_ptr = fopen(user_list_file, "r");
+ struct user *u;
if (!file_ptr)
goto err;
+
+ user_list_deplete();
for (;;) {
int num;
char line[255];
/* keyword, name, key, perms */
char w[255], n[255], k[255], p[255], tmp[4][255];
- struct user *u;
struct asymmetric_key *pubkey;
ret = xfgets(line, sizeof(line), file_ptr);
if (strcmp(w, "user"))
continue;
PARA_DEBUG_LOG("found entry for user %s\n", n);
- ret = get_public_key(k, &pubkey);
+ ret = apc_get_pubkey(k, &pubkey);
if (ret < 0) {
PARA_NOTICE_LOG("skipping entry for user %s: %s\n", n,
para_strerror(-ret));
continue;
}
/*
- * In order to encrypt len := CHALLENGE_SIZE + 2 * SESSION_KEY_LEN
+ * In order to encrypt len := APC_CHALLENGE_SIZE + 2 * SESSION_KEY_LEN
* bytes using RSA_public_encrypt() with EME-OAEP padding mode,
* RSA_size(rsa) must be greater than len + 41. So ignore keys
* which are too short. For details see RSA_public_encrypt(3).
*/
- if (ret <= CHALLENGE_SIZE + 2 * SESSION_KEY_LEN + 41) {
+ if (ret <= APC_CHALLENGE_SIZE + 2 * SESSION_KEY_LEN + 41) {
PARA_WARNING_LOG("public key %s too short (%d)\n",
k, ret);
- free_public_key(pubkey);
+ apc_free_pubkey(pubkey);
continue;
}
u = para_malloc(sizeof(*u));
exit(EXIT_FAILURE);
}
-/**
- * Initialize the list of users allowed to connect to para_server.
- *
- * \param user_list_file The file containing access information.
- *
- * If this function is called for the second time, the contents of the
- * previous call are discarded, i.e. the user list is reloaded.
- */
-void user_list_init(char *user_list_file)
-{
- struct user *u, *tmp;
-
- list_for_each_entry_safe(u, tmp, &user_list, node) {
- list_del(&u->node);
- free(u->name);
- free_public_key(u->pubkey);
- free(u);
- }
- populate(user_list_file);
-}
-
/**
* Lookup a user in the user list.
*