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
))