2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /* generate and receive file lists */
24 extern int csum_length;
28 extern int always_checksum;
29 extern off_t total_size;
31 extern int cvs_exclude;
35 extern int one_file_system;
36 extern int make_backups;
37 extern int preserve_links;
38 extern int preserve_hard_links;
39 extern int preserve_perms;
40 extern int preserve_devices;
41 extern int preserve_uid;
42 extern int preserve_gid;
43 extern int preserve_times;
44 extern int relative_paths;
45 extern int copy_links;
46 extern int remote_version;
48 static char **local_exclude_list = NULL;
50 int link_stat(const char *Path, struct stat *Buffer)
54 return stat(Path, Buffer);
56 return lstat(Path, Buffer);
59 return stat(Path, Buffer);
64 This function is used to check if a file should be included/excluded
65 from the list of files based on its name and type etc
67 static int match_file_name(char *fname,struct stat *st)
69 if (check_exclude(fname,local_exclude_list)) {
71 fprintf(FERROR,"excluding file %s\n",fname);
77 /* used by the one_file_system code */
78 static dev_t filesystem_dev;
80 static void set_filesystem(char *fname)
83 if (link_stat(fname,&st) != 0) return;
84 filesystem_dev = st.st_dev;
88 static void send_directory(int f,struct file_list *flist,char *dir);
90 static char *flist_dir = NULL;
92 static void clean_fname(char *name)
103 if ((p=strstr(name,"/./"))) {
111 if ((p=strstr(name,"//"))) {
119 if (strncmp(p=name,"./",2) == 0) {
127 if (l > 1 && p[l-1] == '/') {
136 void send_file_entry(struct file_struct *file,int f)
139 static time_t last_time=0;
140 static mode_t last_mode=0;
141 static dev_t last_rdev=0;
142 static uid_t last_uid=0;
143 static gid_t last_gid=0;
144 static char lastname[MAXPATHLEN]="";
155 fname = f_name(file);
159 if (file->mode == last_mode) flags |= SAME_MODE;
160 if (file->rdev == last_rdev) flags |= SAME_RDEV;
161 if (file->uid == last_uid) flags |= SAME_UID;
162 if (file->gid == last_gid) flags |= SAME_GID;
163 if (file->modtime == last_time) flags |= SAME_TIME;
165 for (l1=0;lastname[l1] && fname[l1] == lastname[l1];l1++) ;
166 l2 = strlen(fname) - l1;
168 if (l1 > 0) flags |= SAME_NAME;
169 if (l2 > 255) flags |= LONG_NAME;
172 if (flags & SAME_NAME)
174 if (flags & LONG_NAME)
178 write_buf(f,fname+l1,l2);
180 write_int(f,(int)file->length);
181 if (!(flags & SAME_TIME))
182 write_int(f,(int)file->modtime);
183 if (!(flags & SAME_MODE))
184 write_int(f,(int)file->mode);
185 if (preserve_uid && !(flags & SAME_UID)) {
187 write_int(f,(int)file->uid);
189 if (preserve_gid && !(flags & SAME_GID)) {
191 write_int(f,(int)file->gid);
193 if (preserve_devices && IS_DEVICE(file->mode) && !(flags & SAME_RDEV))
194 write_int(f,(int)file->rdev);
197 if (preserve_links && S_ISLNK(file->mode)) {
198 write_int(f,strlen(file->link));
199 write_buf(f,file->link,strlen(file->link));
203 #if SUPPORT_HARD_LINKS
204 if (preserve_hard_links && S_ISREG(file->mode)) {
205 write_int(f,file->dev);
206 write_int(f,file->inode);
210 if (always_checksum) {
211 write_buf(f,file->sum,csum_length);
214 last_mode = file->mode;
215 last_rdev = file->rdev;
216 last_uid = file->uid;
217 last_gid = file->gid;
218 last_time = file->modtime;
220 strncpy(lastname,fname,MAXPATHLEN-1);
221 lastname[MAXPATHLEN-1] = 0;
226 void receive_file_entry(struct file_struct **fptr,
227 unsigned char flags,int f)
229 static time_t last_time=0;
230 static mode_t last_mode=0;
231 static dev_t last_rdev=0;
232 static uid_t last_uid=0;
233 static gid_t last_gid=0;
234 static char lastname[MAXPATHLEN];
235 char thisname[MAXPATHLEN];
238 struct file_struct *file;
240 if (flags & SAME_NAME)
243 if (flags & LONG_NAME)
248 file = (struct file_struct *)malloc(sizeof(*file));
249 if (!file) out_of_memory("receive_file_entry");
250 bzero((char *)file,sizeof(*file));
253 strncpy(thisname,lastname,l1);
254 read_buf(f,&thisname[l1],l2);
257 strncpy(lastname,thisname,MAXPATHLEN-1);
258 lastname[MAXPATHLEN-1] = 0;
260 clean_fname(thisname);
262 if ((p = strrchr(thisname,'/'))) {
263 static char *lastdir;
265 if (lastdir && strcmp(thisname, lastdir)==0) {
266 file->dirname = lastdir;
268 file->dirname = strdup(thisname);
269 lastdir = file->dirname;
271 file->basename = strdup(p+1);
273 file->dirname = NULL;
274 file->basename = strdup(thisname);
277 if (!file->basename) out_of_memory("receive_file_entry 1");
280 file->length = (off_t)read_int(f);
281 file->modtime = (flags & SAME_TIME) ? last_time : (time_t)read_int(f);
282 file->mode = (flags & SAME_MODE) ? last_mode : (mode_t)read_int(f);
284 file->uid = (flags & SAME_UID) ? last_uid : (uid_t)read_int(f);
286 file->gid = (flags & SAME_GID) ? last_gid : (gid_t)read_int(f);
287 if (preserve_devices && IS_DEVICE(file->mode))
288 file->rdev = (flags & SAME_RDEV) ? last_rdev : (dev_t)read_int(f);
290 if (preserve_links && S_ISLNK(file->mode)) {
292 file->link = (char *)malloc(l+1);
293 if (!file->link) out_of_memory("receive_file_entry 2");
294 read_buf(f,file->link,l);
298 #if SUPPORT_HARD_LINKS
299 if (preserve_hard_links && S_ISREG(file->mode)) {
300 file->dev = read_int(f);
301 file->inode = read_int(f);
306 read_buf(f,file->sum,csum_length);
308 last_mode = file->mode;
309 last_rdev = file->rdev;
310 last_uid = file->uid;
311 last_gid = file->gid;
312 last_time = file->modtime;
317 static struct file_struct *make_file(char *fname)
319 struct file_struct *file;
321 char sum[SUM_LENGTH];
323 char cleaned_name[MAXPATHLEN];
325 strncpy(cleaned_name, fname, MAXPATHLEN-1);
326 cleaned_name[MAXPATHLEN-1] = 0;
327 clean_fname(cleaned_name);
328 fname = cleaned_name;
330 bzero(sum,SUM_LENGTH);
332 if (link_stat(fname,&st) != 0) {
333 fprintf(FERROR,"%s: %s\n",
334 fname,strerror(errno));
338 if (S_ISDIR(st.st_mode) && !recurse) {
339 fprintf(FERROR,"skipping directory %s\n",fname);
343 if (one_file_system && st.st_dev != filesystem_dev)
346 if (!match_file_name(fname,&st))
350 fprintf(FERROR,"make_file(%s)\n",fname);
352 file = (struct file_struct *)malloc(sizeof(*file));
353 if (!file) out_of_memory("make_file");
354 bzero((char *)file,sizeof(*file));
356 if ((p = strrchr(fname,'/'))) {
357 static char *lastdir;
359 if (lastdir && strcmp(fname, lastdir)==0) {
360 file->dirname = lastdir;
362 file->dirname = strdup(fname);
363 lastdir = file->dirname;
365 file->basename = strdup(p+1);
368 file->dirname = NULL;
369 file->basename = strdup(fname);
372 file->modtime = st.st_mtime;
373 file->length = st.st_size;
374 file->mode = st.st_mode;
375 file->uid = st.st_uid;
376 file->gid = st.st_gid;
377 file->dev = st.st_dev;
378 file->inode = st.st_ino;
380 file->rdev = st.st_rdev;
384 if (S_ISLNK(st.st_mode)) {
386 char lnk[MAXPATHLEN];
387 if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
388 fprintf(FERROR,"readlink %s : %s\n",
389 fname,strerror(errno));
393 file->link = strdup(lnk);
397 if (always_checksum && S_ISREG(st.st_mode)) {
398 file_checksum(fname,file->sum,st.st_size);
402 static char *lastdir;
403 if (lastdir && strcmp(lastdir, flist_dir)==0) {
404 file->basedir = lastdir;
406 file->basedir = strdup(flist_dir);
407 lastdir = file->basedir;
410 file->basedir = NULL;
413 if (!S_ISDIR(st.st_mode))
414 total_size += st.st_size;
421 static void send_file_name(int f,struct file_list *flist,char *fname)
423 struct file_struct *file;
425 file = make_file(fname);
429 if (flist->count >= flist->malloced) {
430 if (flist->malloced < 1000)
431 flist->malloced += 1000;
433 flist->malloced *= 2;
434 flist->files = (struct file_struct **)realloc(flist->files,
435 sizeof(flist->files[0])*
438 out_of_memory("send_file_name");
441 if (strcmp(file->basename,"")) {
442 flist->files[flist->count++] = file;
443 send_file_entry(file,f);
446 if (S_ISDIR(file->mode) && recurse) {
447 char **last_exclude_list = local_exclude_list;
448 send_directory(f,flist,f_name(file));
449 local_exclude_list = last_exclude_list;
456 static void send_directory(int f,struct file_list *flist,char *dir)
460 char fname[MAXPATHLEN];
466 fprintf(FERROR,"%s: %s\n",
467 dir,strerror(errno));
471 strncpy(fname,dir,MAXPATHLEN-1);
472 fname[MAXPATHLEN-1]=0;
474 if (fname[l-1] != '/') {
475 if (l == MAXPATHLEN-1) {
476 fprintf(FERROR,"skipping long-named directory %s\n",fname);
483 p = fname + strlen(fname);
486 if (strlen(fname) + strlen(".cvsignore") <= MAXPATHLEN-1) {
487 strcpy(p,".cvsignore");
488 local_exclude_list = make_exclude_list(fname,NULL,0);
490 fprintf(FERROR,"cannot cvs-exclude in long-named directory %s\n",fname);
494 for (di=readdir(d); di; di=readdir(d)) {
495 if (strcmp(di->d_name,".")==0 ||
496 strcmp(di->d_name,"..")==0)
498 strncpy(p,di->d_name,MAXPATHLEN-(l+1));
499 send_file_name(f,flist,fname);
507 struct file_list *send_file_list(int f,int argc,char *argv[])
512 char dbuf[MAXPATHLEN];
513 struct file_list *flist;
515 if (verbose && recurse && !am_server && f != -1) {
516 fprintf(FINFO,"building file list ... ");
520 flist = (struct file_list *)malloc(sizeof(flist[0]));
521 if (!flist) out_of_memory("send_file_list");
524 flist->malloced = 1000;
525 flist->files = (struct file_struct **)malloc(sizeof(flist->files[0])*
527 if (!flist->files) out_of_memory("send_file_list");
529 for (i=0;i<argc;i++) {
530 char fname2[MAXPATHLEN];
531 char *fname = fname2;
533 strncpy(fname,argv[i],MAXPATHLEN-1);
534 fname[MAXPATHLEN-1] = 0;
537 if (l != 1 && fname[l-1] == '/') {
541 if (link_stat(fname,&st) != 0) {
542 fprintf(FERROR,"%s : %s\n",fname,strerror(errno));
546 if (S_ISDIR(st.st_mode) && !recurse) {
547 fprintf(FERROR,"skipping directory %s\n",fname);
553 if (!relative_paths) {
554 p = strrchr(fname,'/');
569 if (getcwd(dbuf,MAXPATHLEN-1) == NULL) {
570 fprintf(FERROR,"getwd : %s\n",strerror(errno));
573 if (chdir(dir) != 0) {
574 fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
579 set_filesystem(fname);
580 send_file_name(f,flist,fname);
582 if (chdir(dbuf) != 0) {
583 fprintf(FERROR,"chdir %s : %s\n",dbuf,strerror(errno));
590 set_filesystem(fname);
591 send_file_name(f,flist,fname);
595 send_file_entry(NULL,f);
599 if (verbose && recurse && !am_server && f != -1)
600 fprintf(FINFO,"done\n");
604 /* now send the uid/gid list. This was introduced in protocol version 15 */
605 if (f != -1 && remote_version >= 15) {
613 struct file_list *recv_file_list(int f)
615 struct file_list *flist;
618 if (verbose && recurse && !am_server) {
619 fprintf(FINFO,"receiving file list ... ");
623 flist = (struct file_list *)malloc(sizeof(flist[0]));
628 flist->malloced=1000;
629 flist->files = (struct file_struct **)malloc(sizeof(flist->files[0])*
635 for (flags=read_byte(f); flags; flags=read_byte(f)) {
636 int i = flist->count;
638 if (i >= flist->malloced) {
639 if (flist->malloced < 1000)
640 flist->malloced += 1000;
642 flist->malloced *= 2;
643 flist->files =(struct file_struct **)realloc(flist->files,
644 sizeof(flist->files[0])*
650 receive_file_entry(&flist->files[i],flags,f);
652 if (S_ISREG(flist->files[i]->mode))
653 total_size += flist->files[i]->length;
658 fprintf(FERROR,"recv_file_name(%s)\n",f_name(flist->files[i]));
663 fprintf(FERROR,"received %d names\n",flist->count);
667 if (verbose && recurse && !am_server) {
668 fprintf(FINFO,"done\n");
671 /* now recv the uid/gid list. This was introduced in protocol version 15 */
672 if (f != -1 && remote_version >= 15) {
673 recv_uid_list(f, flist);
679 out_of_memory("recv_file_list");
680 return NULL; /* not reached */
684 int file_compare(struct file_struct **f1,struct file_struct **f2)
686 if (!(*f1)->basename && !(*f2)->basename) return 0;
687 if (!(*f1)->basename) return -1;
688 if (!(*f2)->basename) return 1;
689 if ((*f1)->dirname == (*f2)->dirname)
690 return strcmp((*f1)->basename, (*f2)->basename);
691 return strcmp(f_name(*f1),f_name(*f2));
695 int flist_find(struct file_list *flist,struct file_struct *f)
697 int low=0,high=flist->count-1;
699 if (flist->count <= 0) return -1;
701 while (low != high) {
702 int mid = (low+high)/2;
703 int ret = file_compare(&flist->files[flist_up(flist, mid)],&f);
704 if (ret == 0) return flist_up(flist, mid);
712 if (file_compare(&flist->files[flist_up(flist,low)],&f) == 0)
713 return flist_up(flist,low);
721 static void free_file(struct file_struct *file)
724 if (file->basename) free(file->basename);
725 if (file->link) free(file->link);
726 bzero((char *)file, sizeof(*file));
732 * free up all elements in a flist
734 void flist_free(struct file_list *flist)
737 for (i=1;i<flist->count;i++) {
738 free_file(flist->files[i]);
740 bzero((char *)flist->files, sizeof(flist->files[0])*flist->count);
742 bzero((char *)flist, sizeof(*flist));
748 * This routine ensures we don't have any duplicate names in our file list.
749 * duplicate names can cause corruption because of the pipelining
751 void clean_flist(struct file_list *flist)
755 if (!flist || flist->count == 0)
758 qsort(flist->files,flist->count,
759 sizeof(flist->files[0]),
760 (int (*)())file_compare);
762 for (i=1;i<flist->count;i++) {
763 if (flist->files[i]->basename &&
764 strcmp(f_name(flist->files[i]),
765 f_name(flist->files[i-1])) == 0) {
766 if (verbose > 1 && !am_server)
767 fprintf(FERROR,"removing duplicate name %s from file list %d\n",
768 f_name(flist->files[i-1]),i-1);
769 free_file(flist->files[i]);
770 flist->files[i] = NULL;
777 * return the full filename of a flist entry
779 char *f_name(struct file_struct *f)
781 static char names[10][MAXPATHLEN];
790 sprintf(p, "%s/%s", f->dirname, f->basename);
792 strcpy(p, f->basename);