move user handling code into seperate functions
[paraslash.git] / server.c
index 7d7953215b7a8a0c7a52bc1c0c39d3eb432d54ef..7a96eeff76c039ba2a01e84ffc9c232fd057d27d 100644 (file)
--- a/server.c
+++ b/server.c
@@ -42,7 +42,7 @@
 #include "string.h"
 #include "ipc.h"
 #include "fd.h"
-#include "crypt.h"
+#include "user_list.h"
 
 /** define the array of error lists needed by para_server */
 INIT_SERVER_ERRLISTS;
@@ -59,7 +59,6 @@ struct misc_meta_data *mmd;
 */
 struct server_args_info conf;
 char *user_list_file = NULL;
-struct list_head user_list;
 extern void dccp_send_init(struct sender *);
 extern void http_send_init(struct sender *);
 extern void ortp_send_init(struct sender *);
@@ -276,110 +275,6 @@ static void setup_signal_handling(void)
        }
 }
 
-/*
- * lookup user in user list file. Fills in a user struct containing
- * filename of the user's public key as well as the permissions of that user.
- * Returns 1 on success, 0 if user does not exist and < 0 on errors.
- */
-static void populate_user_list(void) {
-       FILE *file_ptr = NULL;
-       char *char_ptr;
-       char line[MAXLINE];
-       /* keyword, user, key, perms */
-       char w[MAXLINE], n[MAXLINE], k[MAXLINE], p[MAXLINE], tmp[4][MAXLINE];
-       int num, ret;
-
-       file_ptr = fopen(user_list_file, "r");
-       ret = -E_USERLIST;
-       if (!file_ptr)
-               goto out;
-       for (;;) {
-               struct user *u;
-               ret = para_fgets(line, MAXLINE, file_ptr);
-               if (ret < 0)
-                       PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
-               if (ret <= 0)
-                       break;
-               if (sscanf(line,"%200s %200s %200s %200s", w, n, k, p) < 3)
-                       continue;
-               if (strcmp(w, "user"))
-                       continue;
-               PARA_DEBUG_LOG("found entry for %s\n", n);
-               u = para_malloc(sizeof(struct user));
-               u->name = para_strdup(n);
-               u->rsa = para_malloc(sizeof(RSA));
-               ret = get_rsa_key(k, &u->rsa, LOAD_PUBLIC_KEY);
-               if (ret < 0)
-                       break;
-               u->perms = 0;
-               char_ptr = p;
-               num = sscanf(char_ptr, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]",
-                       tmp[0], tmp[1], tmp[2], tmp[3]);
-               PARA_DEBUG_LOG("found %i perm entries\n", num);
-               u->perms = 0;
-               while (num > 0) {
-                       num--;
-                       if (!strcmp(tmp[num], "AFS_READ"))
-                               u->perms |= AFS_READ;
-                       else if (!strcmp(tmp[num], "AFS_WRITE"))
-                               u->perms |= AFS_WRITE;
-                       else if (!strcmp(tmp[num], "DB_READ"))
-                               u->perms |= DB_READ;
-                       else if (!strcmp(tmp[num], "DB_WRITE"))
-                               u->perms |= DB_WRITE;
-                       else /* unknown permission */
-                               PARA_WARNING_LOG("unknown permission: %s\n",
-                                       tmp[num]);
-               }
-               para_list_add(&u->node, &user_list);
-       }
-out:
-       if (file_ptr)
-               fclose(file_ptr);
-       if (ret >= 0)
-               return;
-       PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret));
-       exit(EXIT_FAILURE);
-}
-
-static void init_user_list(void)
-{
-       struct user *u, *tmp;
-       static int initialized;
-
-       if (initialized) {
-               list_for_each_entry_safe(u, tmp, &user_list, node) {
-                       list_del(&u->node);
-                       free(u->name);
-                       free(u->rsa);
-                       free(u);
-               }
-       } else
-               INIT_LIST_HEAD(&user_list);
-       initialized = 1;
-       populate_user_list();
-}
-
-/**
- * lookup user in user_list.
- *
- * \param user: must initially contain the name of the user and is filled
- * in by this function on success.
- *
- * \return 1 on success and < 0 on errors.
- */
-int get_user(struct user *user)
-{
-       struct user *u;
-       list_for_each_entry(u, &user_list, node) {
-               if (strcmp(u->name, user->name))
-                       continue;
-               *user = *u;
-               return 1;
-       }
-       return -E_BAD_USER;
-}
-
 static void init_selector(void)
 {
        int i, ret;
@@ -459,7 +354,7 @@ static unsigned do_inits(int argc, char **argv)
        log_welcome("para_server", conf.loglevel_arg);
        shm_init(); /* init mmd struct */
        server_uptime(UPTIME_SET); /* reset server uptime */
-       init_user_list();
+       init_user_list(user_list_file);
        /* become daemon */
        if (conf.daemon_given)
                daemon_init();