3 * $Id: checkpath.h,v 1.4 2004/04/08 01:36:22 mdw Exp $
5 * Check a path for safety
7 * (c) 1999 Mark Wooding
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of chkpath.
14 * chkpath is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * chkpath is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with chkpath; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 /*----- Header files ------------------------------------------------------*/
39 #include <sys/types.h>
41 /*----- Data structures ---------------------------------------------------*/
43 /* --- Search request --- *
45 * This contains parameters from the caller to control what problems are
46 * looked for, and what to do when they're found.
50 uid_t cp_uid; /* Uid that's considered OK */
51 gid_t cp_gid[NGROUPS_MAX + 1]; /* Array of groups that are OK */
52 int cp_gids; /* Number of groups in the array */
53 int cp_verbose; /* Verbosity level to spit up */
54 unsigned cp_what; /* What things to check for */
55 void (*cp_report)(unsigned /*what*/, int /*verb*/,
56 const char */*dir*/, const char */*msg*/,
58 void *cp_arg; /* Argument for cp_report */
61 /* --- Flags for `@what@' fields in the above --- */
64 #define CP_PROBLEMS 0x1fu /* Mask of problem bits */
65 #define CP_ERROR 0x01u /* Error report */
66 #define CP_WRWORLD 0x02u /* Check write by world */
67 #define CP_WRGRP 0x04u /* Check write by any group */
68 #define CP_WROTHGRP 0x08u /* Check write by other group */
69 #define CP_WROTHUSR 0x10u /* Check write by other user */
72 #define CP_SYMLINK 0x100u /* Report symbolic links */
73 #define CP_REPORT 0x200u /* Make user-readable reports */
74 #define CP_STICKYOK 0x400u /* Don't care if sticky is set */
76 /*----- Functions provided ------------------------------------------------*/
78 /* --- @checkpath@ --- *
80 * Arguments: @const char *p@ = directory name which needs checking
81 * @const struct checkpath *cp@ = parameters for the check
83 * Returns: Zero if all is well, otherwise bitmask of problems.
85 * Use: Scrutinises a directory path to see what evil things other
86 * users could do to it.
89 extern unsigned checkpath(const char */*p*/, const struct checkpath */*cp*/);
91 /* --- @checkpath_setids@ --- *
93 * Arguments: @struct checkpath *cp@ = pointer to block to fill in
97 * Use: Fills in the user ids and things in the structure.
100 extern void checkpath_setids(struct checkpath */*cp*/);
102 /*----- That's all, folks -------------------------------------------------*/