3 * Copyright (c) 1990,1993 Regents of The University of Michigan.
4 * All Rights Reserved. See COPYRIGHT.
9 #endif /* HAVE_CONFIG_H */
16 #include <sys/param.h>
17 #include <atalk/logger.h>
20 #include <atalk/adouble.h>
21 #include <atalk/afp.h>
22 #include <atalk/bstrlib.h>
23 #include <atalk/bstradd.h>
24 #include <atalk/globals.h>
25 #include <atalk/netatalk_conf.h>
28 #include "directory.h"
32 static struct savedt sa = { { 0, 0, 0, 0 }, -1, 0, 0};
34 static int pathcmp(char *p, int plen, char *q, int qlen)
36 return (( plen == qlen && memcmp( p, q, plen ) == 0 ) ? 0 : 1 );
39 static int applopen(struct vol *vol, u_char creator[ 4 ], int flags, int mode)
41 char *dtf, *adt, *adts;
43 if ( sa.sdt_fd != -1 ) {
44 if ( !(flags & ( O_RDWR | O_WRONLY )) &&
45 memcmp( sa.sdt_creator, creator, sizeof( CreatorType )) == 0 &&
46 sa.sdt_vid == vol->v_vid ) {
53 dtf = dtfile( vol, creator, ".appl" );
55 if (( sa.sdt_fd = open( dtf, flags, ad_mode( dtf, mode ))) < 0 ) {
56 if ( errno == ENOENT && ( flags & O_CREAT )) {
57 if (( adts = strrchr( dtf, '/' )) == NULL ) {
58 return( AFPERR_PARAM );
61 if (( adt = strrchr( dtf, '/' )) == NULL ) {
62 return( AFPERR_PARAM );
65 (void) ad_mkdir( dtf, DIRBITS | 0777 );
67 (void) ad_mkdir( dtf, DIRBITS | 0777 );
70 if (( sa.sdt_fd = open( dtf, flags, ad_mode( dtf, mode ))) < 0 ) {
71 return( AFPERR_PARAM );
74 return( AFPERR_PARAM );
77 memcpy( sa.sdt_creator, creator, sizeof( CreatorType ));
78 sa.sdt_vid = vol->v_vid;
84 * copy appls to new file, deleting any matching (old) appl entries
86 static int copyapplfile(int sfd, int dfd, char *mpath, u_short mplen)
91 unsigned char appltag[ 4 ];
92 char buf[ MAXPATHLEN ];
94 while (( cc = read( sfd, buf, sizeof(appltag) + sizeof( u_short ))) > 0 ) {
95 p = buf + sizeof(appltag);
96 memcpy( &len, p, sizeof(len));
99 if (( cc = read( sa.sdt_fd, p, len )) < len ) {
102 if ( pathcmp( mpath, mplen, p, len ) != 0 ) {
104 if ( write( dfd, buf, p - buf ) != p - buf ) {
114 * build mac. path (backwards) by traversing the directory tree
116 * The old way: dir and path refer to an app, path is a mac format
117 * pathname. makemacpath() builds something that looks like a cname,
118 * but uses upaths instead of mac format paths.
120 * The new way: dir and path refer to an app, path is a mac format
121 * pathname. makemacpath() builds a cname. (zero is a path separator
122 * and it's not \0 terminated).
124 * See afp_getappl() for the backward compatiblity code.
127 makemacpath(const struct vol *vol, char *mpath, int mpathlen, struct dir *dir, char *path)
131 p = mpath + mpathlen;
133 memcpy( p, path, strlen( path ));
135 while ( dir->d_did != DIRDID_ROOT ) {
136 p -= blength(dir->d_m_name) + 1;
138 /* FIXME: pathname too long */
141 memcpy(p, cfrombstr(dir->d_m_name), blength(dir->d_m_name) + 1);
142 if ((dir = dirlookup(vol, dir->d_pdid)) == NULL)
149 char buffer[12 + MAXPATHLEN + 1];
150 int buflen = 12 + MAXPATHLEN + 1;
154 struct bstrList *pathlist = NULL;
155 cnid_t cnid = dir->d_pdid;
157 /* Create list for path elements, request 16 list elements for now*/
158 if ((pathlist = bstListCreateMin(16)) == NULL) {
159 LOG(log_error, logtype_afpd, "makemacpath: OOM: %s", strerror(errno));
163 while ( cnid != DIRDID_ROOT ) {
165 /* construct path, copy already found uname to path element list*/
166 if ((bstrListPush(pathlist, bfromcstr(path))) != BSTR_OK) {
167 afp_errno = AFPERR_MISC;
173 AFP_CNID_START("cnid_resolve");
174 uname = cnid_resolve(vol->v_cdb, &cnid, buffer, buflen);
178 afp_errno = AFPERR_NOOBJ;
183 if ((path = utompath(vol, uname, cnid, utf8_encoding())) == NULL) {
184 afp_errno = AFPERR_MISC;
194 bstrListDestroy(pathlist);
201 int afp_addappl(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
210 unsigned char creator[ 4 ];
211 unsigned char appltag[ 4 ];
212 char *mpath, *tempfile;
217 memcpy( &vid, ibuf, sizeof( vid ));
218 ibuf += sizeof( vid );
219 if (NULL == ( vol = getvolbyvid( vid ))) {
220 return( AFPERR_PARAM );
223 memcpy( &did, ibuf, sizeof( did ));
224 ibuf += sizeof( did );
225 if (NULL == ( dir = dirlookup( vol, did )) ) {
229 memcpy( creator, ibuf, sizeof( creator ));
230 ibuf += sizeof( creator );
232 memcpy( appltag, ibuf, sizeof( appltag ));
233 ibuf += sizeof( appltag );
235 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
236 return get_afp_errno(AFPERR_PARAM);
238 if ( path_isadir(path) ) {
239 return( AFPERR_BADTYPE );
242 if ( applopen( vol, creator, O_RDWR|O_CREAT, 0666 ) != AFP_OK ) {
243 return( AFPERR_PARAM );
245 if ( lseek( sa.sdt_fd, 0L, SEEK_SET ) < 0 ) {
246 return( AFPERR_PARAM );
248 dtf = dtfile( vol, creator, ".appl.temp" );
249 tempfile = obj->oldtmp;
250 strcpy( tempfile, dtf );
251 if (( tfd = open( tempfile, O_RDWR|O_CREAT, 0666 )) < 0 ) {
252 return( AFPERR_PARAM );
255 mp = makemacpath( vol, mpath, AFPOBJ_TMPSIZ, curdir, path->m_name );
260 mplen = mpath + AFPOBJ_TMPSIZ - mp;
262 /* write the new appl entry at start of temporary file */
263 p = mp - sizeof( u_short );
264 mplen = htons( mplen );
265 memcpy( p, &mplen, sizeof( mplen ));
266 mplen = ntohs( mplen );
267 p -= sizeof( appltag );
268 memcpy(p, appltag, sizeof( appltag ));
269 cc = mpath + AFPOBJ_TMPSIZ - p;
270 if ( write( tfd, p, cc ) != cc ) {
273 return( AFPERR_PARAM );
275 cc = copyapplfile( sa.sdt_fd, tfd, mp, mplen );
282 return( AFPERR_PARAM );
284 if ( rename( tempfile, dtfile( vol, creator, ".appl" )) < 0 ) {
285 return( AFPERR_PARAM );
290 int afp_rmvappl(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
299 unsigned char creator[ 4 ];
300 char *tempfile, *mpath;
305 memcpy( &vid, ibuf, sizeof( vid ));
306 ibuf += sizeof( vid );
307 if (NULL == ( vol = getvolbyvid( vid ))) {
308 return( AFPERR_PARAM );
311 memcpy( &did, ibuf, sizeof( did ));
312 ibuf += sizeof( did );
313 if (NULL == ( dir = dirlookup( vol, did )) ) {
317 memcpy( creator, ibuf, sizeof( creator ));
318 ibuf += sizeof( creator );
320 if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
321 return get_afp_errno(AFPERR_PARAM);
323 if ( path_isadir(path) ) {
324 return( AFPERR_BADTYPE );
327 if ( applopen( vol, creator, O_RDWR, 0666 ) != AFP_OK ) {
328 return( AFPERR_NOOBJ );
330 if ( lseek( sa.sdt_fd, 0L, SEEK_SET ) < 0 ) {
331 return( AFPERR_PARAM );
333 dtf = dtfile( vol, creator, ".appl.temp" );
334 tempfile = obj->oldtmp;
335 strcpy( tempfile, dtf );
336 if (( tfd = open( tempfile, O_RDWR|O_CREAT, 0666 )) < 0 ) {
337 return( AFPERR_PARAM );
340 mp = makemacpath( vol, mpath, AFPOBJ_TMPSIZ, curdir, path->m_name );
343 return AFPERR_PARAM ;
346 mplen = mpath + AFPOBJ_TMPSIZ - mp;
347 cc = copyapplfile( sa.sdt_fd, tfd, mp, mplen );
354 return( AFPERR_PARAM );
356 if ( rename( tempfile, dtfile( vol, creator, ".appl" )) < 0 ) {
357 return( AFPERR_PARAM );
362 int afp_getappl(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
368 uint16_t vid, aindex, bitmap, len;
369 unsigned char creator[ 4 ];
370 unsigned char appltag[ 4 ];
376 memcpy( &vid, ibuf, sizeof( vid ));
377 ibuf += sizeof( vid );
378 if (NULL == ( vol = getvolbyvid( vid )) ) {
380 return( AFPERR_PARAM );
383 memcpy( creator, ibuf, sizeof( creator ));
384 ibuf += sizeof( creator );
386 memcpy( &aindex, ibuf, sizeof( aindex ));
387 ibuf += sizeof( aindex );
388 aindex = ntohs( aindex );
389 if ( aindex ) { /* index 0 == index 1 */
393 memcpy( &bitmap, ibuf, sizeof( bitmap ));
394 bitmap = ntohs( bitmap );
395 ibuf += sizeof( bitmap );
397 if ( applopen( vol, creator, O_RDONLY, 0666 ) != AFP_OK ) {
399 return( AFPERR_NOITEM );
401 if ( aindex < sa.sdt_index ) {
402 if ( lseek( sa.sdt_fd, 0L, SEEK_SET ) < 0 ) {
404 return( AFPERR_PARAM );
409 /* position to correct spot within appl file */
411 while (( cc = read( sa.sdt_fd, buf, sizeof( appltag )
412 + sizeof( u_short ))) > 0 ) {
413 p = buf + sizeof( appltag );
414 memcpy( &len, p, sizeof( len ));
416 p += sizeof( u_short );
417 if (( cc = read( sa.sdt_fd, p, len )) < len ) {
420 if ( sa.sdt_index == aindex ) {
425 if ( cc <= 0 || sa.sdt_index != aindex ) {
427 return( AFPERR_NOITEM );
433 * Check to see if this APPL mapping has an mpath or a upath. If
434 * there are any ':'s in the name, it is a upath and must be converted
435 * to an mpath. Hopefully, this code will go away.
438 #define hextoint( c ) ( isdigit( c ) ? c - '0' : c + 10 - 'a' )
439 #define islxdigit(x) (!isupper(x)&&isxdigit(x))
441 char utomname[ MAXPATHLEN + 1];
449 if ( *u == ':' && *(u+1) != '\0' && islxdigit( *(u+1)) &&
450 *(u+2) != '\0' && islxdigit( *(u+2))) {
452 h = hextoint( *u ) << 4;
465 if ( p[ len - 1 ] == '\0' ) {
469 #endif /* APPLCNAME */
471 /* fake up a cname */
474 *q++ = 2; /* long path type */
475 *q++ = (unsigned char)len;
479 if (( path = cname( vol, vol->v_root, &q )) == NULL ) {
481 return( AFPERR_NOITEM );
484 if ( path_isadir(path) || path->st_errno ) {
486 return( AFPERR_NOITEM );
488 buflen = *rbuflen - sizeof( bitmap ) - sizeof( appltag );
489 if ( getfilparams(obj, vol, bitmap, path, curdir, rbuf + sizeof( bitmap ) +
490 sizeof( appltag ), &buflen, 0) != AFP_OK ) {
492 return( AFPERR_BITMAP );
495 *rbuflen = buflen + sizeof( bitmap ) + sizeof( appltag );
496 bitmap = htons( bitmap );
497 memcpy( rbuf, &bitmap, sizeof( bitmap ));
498 rbuf += sizeof( bitmap );
499 memcpy( rbuf, appltag, sizeof( appltag ));
500 rbuf += sizeof( appltag );