2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
13 #include <sys/types.h>
14 #include <sys/param.h>
16 #include <sys/syslog.h>
17 #include <netatalk/endian.h>
20 #include <atalk/afp.h>
24 #include "directory.h"
29 * Get the free space on a partition.
31 int ustatfs_getvolspace( vol, bfree, btotal, bsize )
32 const struct vol *vol;
33 VolSpace *bfree, *btotal;
36 VolSpace maxVolSpace = (~(VolSpace)0);
45 if ( statfs( vol->v_path, &sfs ) < 0 ) {
46 syslog(LOG_ERR, "ustatfs_getvolspace unable to stat %s", vol->v_path);
47 return( AFPERR_PARAM );
51 *bfree = (VolSpace) sfs.fd_req.bfreen;
54 *bfree = (VolSpace) sfs.f_bavail;
55 *bsize = sfs.f_frsize;
58 if ( *bfree > maxVolSpace / *bsize ) {
66 ( sfs.fd_req.btot - ( sfs.fd_req.bfree - sfs.fd_req.bfreen ));
69 ( sfs.f_blocks - ( sfs.f_bfree - sfs.f_bavail ));
72 // see similar block above comments
73 if ( *btotal > maxVolSpace / *bsize ) {
74 *btotal = maxVolSpace;
82 static __inline__ int utombits( bits )
89 mbits |= ( bits & ( S_IREAD >> 6 )) ? (AR_UREAD | AR_USEARCH) : 0;
90 mbits |= ( bits & ( S_IWRITE >> 6 )) ? AR_UWRITE : 0;
91 /* Do we really need this?
92 mbits |= ( bits & ( S_IEXEC >> 6) ) ? AR_USEARCH : 0; */
97 void utommode( stat, ma )
103 mode = stat->st_mode;
105 ma->ma_world = utombits( mode );
108 ma->ma_group = utombits( mode );
111 ma->ma_owner = utombits( mode );
113 if ( (uuid == stat->st_uid) || (uuid == 0)) {
114 ma->ma_user = ma->ma_owner | AR_UOWN;
115 } else if ( gmem( stat->st_gid )) {
116 ma->ma_user = ma->ma_group;
118 ma->ma_user = ma->ma_world;
122 * There are certain things the mac won't try if you don't have
123 * the "owner" bit set, even tho you can do these things on unix wiht
124 * only write permission. What were the things?
126 if ( ma->ma_user & AR_UWRITE ) {
127 ma->ma_user |= AR_UOWN;
137 for ( i = 0; i < ngroups; i++ ) {
138 if ( groups[ i ] == gid ) {
145 static __inline__ mode_t mtoubits( bits )
152 mode |= ( bits & AR_UREAD ) ? ( (S_IREAD | S_IEXEC) >> 6 ) : 0;
153 mode |= ( bits & AR_UWRITE ) ? ( (S_IWRITE | S_IEXEC) >> 6 ) : 0;
154 /* I don't think there's a way to set the SEARCH bit by itself on a Mac
155 mode |= ( bits & AR_USEARCH ) ? ( S_IEXEC >> 6 ) : 0; */
160 mode_t mtoumode( ma )
166 mode |= mtoubits( ma->ma_owner );
169 mode |= mtoubits( ma->ma_group );
172 mode |= mtoubits( ma->ma_world );
177 inline int stickydirmode(name, mode)
183 /* Turn on the sticky bit if this is a drop box */
188 else /* if S_IWOTH and not S_IROTH */
192 syslog( LOG_ERR, "stickydirmode: unable to seteuid root: %m");
193 if ( retval=chmod( name, (DIRBITS | mode | S_ISVTX)) < 0)
195 syslog( LOG_ERR, "stickydirmode: chmod %s: %m", name );
196 return(AFPERR_ACCESS);
201 syslog( LOG_INFO, "stickydirmode: chmod \"%s\": %m", name );
208 if ( retval=chmod( name, DIRBITS | mode ) < 0 )
209 syslog( LOG_ERR, "stickydirmode: chmod \"%s\": %m", name );
213 int setdeskmode( mode )
216 char wd[ MAXPATHLEN + 1];
218 char modbuf[ 12 + 1], *m;
219 struct dirent *deskp, *subp;
222 if ( getcwd( wd , MAXPATHLEN) == NULL ) {
225 if ( chdir( ".AppleDesktop" ) < 0 ) {
228 if (( desk = opendir( "." )) == NULL ) {
229 if ( chdir( wd ) < 0 ) {
230 syslog( LOG_ERR, "setdeskmode: chdir %s: %m", wd );
234 for ( deskp = readdir( desk ); deskp != NULL; deskp = readdir( desk )) {
235 if ( strcmp( deskp->d_name, "." ) == 0 ||
236 strcmp( deskp->d_name, ".." ) == 0 || strlen( deskp->d_name ) > 2 ) {
239 strcpy( modbuf, deskp->d_name );
240 strcat( modbuf, "/" );
241 m = strchr( modbuf, '\0' );
242 if (( sub = opendir( deskp->d_name )) == NULL ) {
245 for ( subp = readdir( sub ); subp != NULL; subp = readdir( sub )) {
246 if ( strcmp( subp->d_name, "." ) == 0 ||
247 strcmp( subp->d_name, ".." ) == 0 ) {
251 strcat( modbuf, subp->d_name );
252 /* XXX: need to preserve special modes */
253 if (stat(modbuf, &st) < 0) {
254 syslog( LOG_ERR, "setdeskmode: stat %s: %m", modbuf );
258 if (S_ISDIR(st.st_mode)) {
259 if ( chmod( modbuf, DIRBITS | mode ) < 0 ) {
260 syslog( LOG_ERR, "setdeskmode: chmod %s: %m", modbuf );
262 } else if ( chmod( modbuf, mode ) < 0 ) {
263 syslog( LOG_ERR, "setdeskmode: chmod %s: %m", modbuf );
268 /* XXX: need to preserve special modes */
269 if ( chmod( deskp->d_name, DIRBITS | mode ) < 0 ) {
270 syslog( LOG_ERR, "setdeskmode: chmod %s: %m", deskp->d_name );
274 if ( chdir( wd ) < 0 ) {
275 syslog( LOG_ERR, "setdeskmode: chdir %s: %m", wd );
278 /* XXX: need to preserve special modes */
279 if ( chmod( ".AppleDesktop", DIRBITS | mode ) < 0 ) {
280 syslog( LOG_ERR, "setdeskmode: chmod .AppleDesktop: %m" );
285 int setdirmode( mode, noadouble )
289 char buf[ MAXPATHLEN + 1];
295 if (( dir = opendir( "." )) == NULL ) {
296 syslog( LOG_ERR, "setdirmode: opendir .: %m" );
300 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
301 if ( *dirp->d_name == '.' ) {
304 if ( stat( dirp->d_name, &st ) < 0 ) {
305 syslog( LOG_ERR, "setdirmode: stat %s: %m", dirp->d_name );
309 if (S_ISREG(st.st_mode)) {
310 /* XXX: need to preserve special modes */
311 if (S_ISDIR(st.st_mode)) {
312 if (stickydirmode(dirp->d_name, DIRBITS | mode) < 0)
314 } else if (stickydirmode(dirp->d_name, mode) < 0)
319 if (( dir = opendir( ".AppleDouble" )) == NULL ) {
321 goto setdirmode_noadouble;
322 syslog( LOG_ERR, "setdirmode: opendir .AppleDouble: %m" );
325 strcpy( buf, ".AppleDouble" );
327 m = strchr( buf, '\0' );
328 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
329 if ( strcmp( dirp->d_name, "." ) == 0 ||
330 strcmp( dirp->d_name, ".." ) == 0 ) {
334 strcat( buf, dirp->d_name );
336 if ( stat( buf, &st ) < 0 ) {
337 syslog( LOG_ERR, "setdirmode: stat %s: %m", buf );
341 if (S_ISDIR(st.st_mode)) {
342 stickydirmode( buf, DIRBITS | mode );
344 stickydirmode( buf, mode );
348 /* XXX: use special bits to tag directory permissions */
350 /* XXX: need to preserve special modes */
351 if ( stickydirmode(".AppleDouble", DIRBITS | mode) < 0 )
354 setdirmode_noadouble:
355 /* XXX: need to preserve special modes */
356 if ( stickydirmode(".", DIRBITS | mode) < 0 )
361 int setdeskowner( uid, gid )
365 char wd[ MAXPATHLEN + 1];
366 char modbuf[12 + 1], *m;
367 struct dirent *deskp, *subp;
370 if ( getcwd( wd, MAXPATHLEN ) == NULL ) {
373 if ( chdir( ".AppleDesktop" ) < 0 ) {
376 if (( desk = opendir( "." )) == NULL ) {
377 if ( chdir( wd ) < 0 ) {
378 syslog( LOG_ERR, "setdeskowner: chdir %s: %m", wd );
382 for ( deskp = readdir( desk ); deskp != NULL; deskp = readdir( desk )) {
383 if ( strcmp( deskp->d_name, "." ) == 0 ||
384 strcmp( deskp->d_name, ".." ) == 0 ||
385 strlen( deskp->d_name ) > 2 ) {
388 strcpy( modbuf, deskp->d_name );
389 strcat( modbuf, "/" );
390 m = strchr( modbuf, '\0' );
391 if (( sub = opendir( deskp->d_name )) == NULL ) {
394 for ( subp = readdir( sub ); subp != NULL; subp = readdir( sub )) {
395 if ( strcmp( subp->d_name, "." ) == 0 ||
396 strcmp( subp->d_name, ".." ) == 0 ) {
400 strcat( modbuf, subp->d_name );
401 /* XXX: add special any uid, ignore group bits */
402 if ( chown( modbuf, uid, gid ) < 0 ) {
403 syslog( LOG_ERR, "setdeskown: chown %s: %m", modbuf );
407 /* XXX: add special any uid, ignore group bits */
408 if ( chown( deskp->d_name, uid, gid ) < 0 ) {
409 syslog( LOG_ERR, "setdeskowner: chown %s: %m", deskp->d_name );
413 if ( chdir( wd ) < 0 ) {
414 syslog( LOG_ERR, "setdeskowner: chdir %s: %m", wd );
417 if ( chown( ".AppleDesktop", uid, gid ) < 0 ) {
418 syslog( LOG_ERR, "setdeskowner: chown .AppleDesktop: %m" );
424 /* uid/gid == 0 need to be handled as special cases. they really mean
425 * that user/group should inherit from other, but that doesn't fit
426 * into the unix permission scheme. we can get around this by
427 * co-opting some bits. */
428 int setdirowner( uid, gid, noadouble )
433 char buf[ MAXPATHLEN + 1];
439 if (( dir = opendir( "." )) == NULL ) {
442 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
443 if ( *dirp->d_name == '.' ) {
446 if ( stat( dirp->d_name, &st ) < 0 ) {
447 syslog( LOG_ERR, "setdirowner: stat %s: %m", dirp->d_name );
450 if (( st.st_mode & S_IFMT ) == S_IFREG ) {
451 if ( chown( dirp->d_name, uid, gid ) < 0 ) {
452 syslog( LOG_ERR, "setdirowner: chown %s: %m", dirp->d_name );
457 if (( dir = opendir( ".AppleDouble" )) == NULL ) {
459 goto setdirowner_noadouble;
462 strcpy( buf, ".AppleDouble" );
464 m = strchr( buf, '\0' );
465 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
466 if ( strcmp( dirp->d_name, "." ) == 0 ||
467 strcmp( dirp->d_name, ".." ) == 0 ) {
471 strcat( buf, dirp->d_name );
472 if ( chown( buf, uid, gid ) < 0 ) {
473 syslog( LOG_ERR, "setdirowner: chown %d/%d %s: %m",
480 * We cheat: we know that chown doesn't do anything.
482 if ( stat( ".AppleDouble", &st ) < 0 ) {
483 syslog( LOG_ERR, "setdirowner: stat .AppleDouble: %m" );
486 if ( gid && gid != st.st_gid && chown( ".AppleDouble", uid, gid ) < 0 ) {
487 syslog( LOG_ERR, "setdirowner: chown %d/%d .AppleDouble: %m",
491 setdirowner_noadouble:
492 if ( stat( ".", &st ) < 0 ) {
495 if ( gid && gid != st.st_gid && chown( ".", uid, gid ) < 0 ) {
496 syslog( LOG_ERR, "setdirowner: chown %d/%d .: %m",