2 * Copyright (C) 2006-2008 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file user_list.c User handling for para_server. */
17 #include "user_list.h"
19 static struct list_head user_list;
22 * Fill the list of users known to para_server.
24 * Populates a linked list of all users in \a user_list_file. Returns on
25 * success, calls exit() on errors.
27 static void populate_user_list(char *user_list_file)
29 int ret = -E_USERLIST;
30 FILE *file_ptr = fopen(user_list_file, "r");
37 /* keyword, name, key, perms */
38 char w[255], n[255], k[255], p[255], tmp[4][255];
42 ret = para_fgets(line, MAXLINE, file_ptr);
45 if (sscanf(line,"%200s %200s %200s %200s", w, n, k, p) < 3)
47 if (strcmp(w, "user"))
49 PARA_DEBUG_LOG("found entry for user %s\n", n);
50 ret = get_rsa_key(k, &rsa, LOAD_PUBLIC_KEY);
52 PARA_NOTICE_LOG("skipping entry for user %s: %s\n", n,
56 u = para_malloc(sizeof(*u));
57 u->name = para_strdup(n);
60 num = sscanf(p, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]",
61 tmp[0], tmp[1], tmp[2], tmp[3]);
62 PARA_DEBUG_LOG("found %i perm entries\n", num);
65 if (!strcmp(tmp[num], "VSS_READ"))
67 else if (!strcmp(tmp[num], "VSS_WRITE"))
68 u->perms |= VSS_WRITE;
69 else if (!strcmp(tmp[num], "AFS_READ"))
71 else if (!strcmp(tmp[num], "AFS_WRITE"))
72 u->perms |= AFS_WRITE;
73 else /* unknown permission */
74 PARA_WARNING_LOG("ignoring unknown permission: %s\n",
77 para_list_add(&u->node, &user_list);
83 PARA_EMERG_LOG("%s\n", para_strerror(-ret));
88 * Initialize the list of users allowed to connect to to para_server.
90 * \param user_list_file The file containing access information.
92 * If this function is called for the second time, the contents of the
93 * previous call are discarded, i.e. the user list is reloaded.
95 void init_user_list(char *user_list_file)
98 static int initialized;
101 list_for_each_entry_safe(u, tmp, &user_list, node) {
108 INIT_LIST_HEAD(&user_list);
110 populate_user_list(user_list_file);
114 * Lookup a user in the user list.
116 * \param name The name of the user.
118 * \return A pointer to the corresponding user struct if the user was found, \p
121 struct user *lookup_user(const char *name)
124 list_for_each_entry(u, &user_list, node) {
125 if (strcmp(u->name, name))