18df94b4c117f0c1aab5093101d214a93e48cb87
2 * Copyright (C) 2006-2007 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 */
14 #include "user_list.h"
16 static struct list_head user_list
;
19 * lookup user in user list file. Fills in a user struct containing
20 * filename of the user's public key as well as the permissions of that user.
21 * Returns 1 on success, 0 if user does not exist and < 0 on errors.
23 static void populate_user_list(char *user_list_file
)
25 FILE *file_ptr
= NULL
;
28 /* keyword, user, key, perms */
29 char w
[MAXLINE
], n
[MAXLINE
], k
[MAXLINE
], p
[MAXLINE
], tmp
[4][MAXLINE
];
32 file_ptr
= fopen(user_list_file
, "r");
38 ret
= para_fgets(line
, MAXLINE
, file_ptr
);
40 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret
));
43 if (sscanf(line
,"%200s %200s %200s %200s", w
, n
, k
, p
) < 3)
45 if (strcmp(w
, "user"))
47 PARA_DEBUG_LOG("found entry for %s\n", n
);
48 u
= para_malloc(sizeof(struct user
));
49 u
->name
= para_strdup(n
);
50 ret
= get_rsa_key(k
, &u
->rsa
, LOAD_PUBLIC_KEY
);
54 num
= sscanf(char_ptr
, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]",
55 tmp
[0], tmp
[1], tmp
[2], tmp
[3]);
56 PARA_DEBUG_LOG("found %i perm entries\n", num
);
60 if (!strcmp(tmp
[num
], "VSS_READ"))
62 else if (!strcmp(tmp
[num
], "VSS_WRITE"))
63 u
->perms
|= VSS_WRITE
;
64 else if (!strcmp(tmp
[num
], "AFS_READ"))
66 else if (!strcmp(tmp
[num
], "AFS_WRITE"))
67 u
->perms
|= AFS_WRITE
;
68 else /* unknown permission */
69 PARA_WARNING_LOG("ignoring unknown permission: %s\n",
72 para_list_add(&u
->node
, &user_list
);
79 PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret
));
84 * initialize the list of users allowed to connecto to para_server
86 * \param user_list_file the file containing access information
88 * If this function is called a second time, the contents of the
89 * previous call are discarded.
91 void init_user_list(char *user_list_file
)
94 static int initialized
;
97 list_for_each_entry_safe(u
, tmp
, &user_list
, node
) {
104 INIT_LIST_HEAD(&user_list
);
106 populate_user_list(user_list_file
);
110 * lookup user in user_list.
112 * \param name of the user
114 * \return a pointer to the corresponding user struct if the user was found,
117 struct user
*lookup_user(const char *name
)
120 list_for_each_entry(u
, &user_list
, node
) {
121 if (strcmp(u
->name
, name
))