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 FILE *file_ptr = NULL;
32 /* keyword, user, key, perms */
33 char w[MAXLINE], n[MAXLINE], k[MAXLINE], p[MAXLINE], tmp[4][MAXLINE];
36 file_ptr = fopen(user_list_file, "r");
42 ret = para_fgets(line, MAXLINE, file_ptr);
44 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
47 if (sscanf(line,"%200s %200s %200s %200s", w, n, k, p) < 3)
49 if (strcmp(w, "user"))
51 PARA_DEBUG_LOG("found entry for %s\n", n);
52 u = para_malloc(sizeof(struct user));
53 u->name = para_strdup(n);
54 ret = get_rsa_key(k, &u->rsa, LOAD_PUBLIC_KEY);
58 num = sscanf(char_ptr, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]",
59 tmp[0], tmp[1], tmp[2], tmp[3]);
60 PARA_DEBUG_LOG("found %i perm entries\n", num);
64 if (!strcmp(tmp[num], "VSS_READ"))
66 else if (!strcmp(tmp[num], "VSS_WRITE"))
67 u->perms |= VSS_WRITE;
68 else if (!strcmp(tmp[num], "AFS_READ"))
70 else if (!strcmp(tmp[num], "AFS_WRITE"))
71 u->perms |= AFS_WRITE;
72 else /* unknown permission */
73 PARA_WARNING_LOG("ignoring unknown permission: %s\n",
76 para_list_add(&u->node, &user_list);
83 PARA_EMERG_LOG("%s\n", para_strerror(-ret));
88 * initialize the list of users allowed to connecto to para_server
90 * \param user_list_file the file containing access information
92 * If this function is called a second time, the contents of the
93 * previous call are discarded.
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 user in user_list.
116 * \param name of the user
118 * \return a pointer to the corresponding user struct if the user was found,
121 struct user *lookup_user(const char *name)
124 list_for_each_entry(u, &user_list, node) {
125 if (strcmp(u->name, name))