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;
47 static char **local_exclude_list = NULL;
49 static void clean_fname(char *name);
52 int link_stat(const char *Path, struct stat *Buffer)
56 return stat(Path, Buffer);
58 return lstat(Path, Buffer);
61 return stat(Path, Buffer);
66 This function is used to check if a file should be included/excluded
67 from the list of files based on its name and type etc
69 static int match_file_name(char *fname,struct stat *st)
71 if (check_exclude(fname,local_exclude_list)) {
73 fprintf(FERROR,"excluding file %s\n",fname);
79 /* used by the one_file_system code */
80 static dev_t filesystem_dev;
82 static void set_filesystem(char *fname)
85 if (link_stat(fname,&st) != 0) return;
86 filesystem_dev = st.st_dev;
90 static void send_directory(int f,struct file_list *flist,char *dir);
92 static char *flist_dir = NULL;
94 extern void (*send_file_entry)(struct file_struct *file,int f);
95 extern void (*receive_file_entry)(struct file_struct *file,
96 unsigned char flags,int f);
99 void send_file_entry_v11(struct file_struct *file,int f)
102 static time_t last_time=0;
103 static mode_t last_mode=0;
104 static dev_t last_rdev=0;
105 static uid_t last_uid=0;
106 static gid_t last_gid=0;
107 static char lastname[MAXPATHLEN]="";
119 if (file->mode == last_mode) flags |= SAME_MODE;
120 if (file->rdev == last_rdev) flags |= SAME_RDEV;
121 if (file->uid == last_uid) flags |= SAME_UID;
122 if (file->gid == last_gid) flags |= SAME_GID;
123 if (file->modtime == last_time) flags |= SAME_TIME;
125 for (l1=0;lastname[l1] && file->name[l1] == lastname[l1];l1++) ;
126 l2 = strlen(file->name) - l1;
128 if (l1 > 0) flags |= SAME_NAME;
129 if (l2 > 255) flags |= LONG_NAME;
132 if (flags & SAME_NAME)
134 if (flags & LONG_NAME)
138 write_buf(f,file->name+l1,l2);
140 write_int(f,(int)file->length);
141 if (!(flags & SAME_TIME))
142 write_int(f,(int)file->modtime);
143 if (!(flags & SAME_MODE))
144 write_int(f,(int)file->mode);
145 if (preserve_uid && !(flags & SAME_UID))
146 write_int(f,(int)file->uid);
147 if (preserve_gid && !(flags & SAME_GID))
148 write_int(f,(int)file->gid);
149 if (preserve_devices && IS_DEVICE(file->mode) && !(flags & SAME_RDEV))
150 write_int(f,(int)file->rdev);
153 if (preserve_links && S_ISLNK(file->mode)) {
154 write_int(f,strlen(file->link));
155 write_buf(f,file->link,strlen(file->link));
159 #if SUPPORT_HARD_LINKS
160 if (preserve_hard_links && S_ISREG(file->mode)) {
161 write_int(f,file->dev);
162 write_int(f,file->inode);
166 if (always_checksum) {
167 write_buf(f,file->sum,csum_length);
170 last_mode = file->mode;
171 last_rdev = file->rdev;
172 last_uid = file->uid;
173 last_gid = file->gid;
174 last_time = file->modtime;
176 strncpy(lastname,file->name,MAXPATHLEN-1);
177 lastname[MAXPATHLEN-1] = 0;
182 void receive_file_entry_v11(struct file_struct *file,
183 unsigned char flags,int f)
185 static time_t last_time=0;
186 static mode_t last_mode=0;
187 static dev_t last_rdev=0;
188 static uid_t last_uid=0;
189 static gid_t last_gid=0;
190 static char lastname[MAXPATHLEN]="";
193 if (flags & SAME_NAME)
196 if (flags & LONG_NAME)
201 bzero((char *)file,sizeof(*file));
203 file->name = (char *)malloc(l1+l2+1);
204 if (!file->name) out_of_memory("receive_file_entry 1");
206 strncpy(file->name,lastname,l1);
207 read_buf(f,file->name+l1,l2);
208 file->name[l1+l2] = 0;
210 file->length = (off_t)read_int(f);
211 file->modtime = (flags & SAME_TIME) ? last_time : (time_t)read_int(f);
212 file->mode = (flags & SAME_MODE) ? last_mode : (mode_t)read_int(f);
214 file->uid = (flags & SAME_UID) ? last_uid : (uid_t)read_int(f);
216 file->gid = (flags & SAME_GID) ? last_gid : (gid_t)read_int(f);
217 if (preserve_devices && IS_DEVICE(file->mode))
218 file->rdev = (flags & SAME_RDEV) ? last_rdev : (dev_t)read_int(f);
220 if (preserve_links && S_ISLNK(file->mode)) {
222 file->link = (char *)malloc(l+1);
223 if (!file->link) out_of_memory("receive_file_entry 2");
224 read_buf(f,file->link,l);
228 #if SUPPORT_HARD_LINKS
229 if (preserve_hard_links && S_ISREG(file->mode)) {
230 file->dev = read_int(f);
231 file->inode = read_int(f);
236 read_buf(f,file->sum,csum_length);
238 last_mode = file->mode;
239 last_rdev = file->rdev;
240 last_uid = file->uid;
241 last_gid = file->gid;
242 last_time = file->modtime;
244 strncpy(lastname,file->name,MAXPATHLEN-1);
245 lastname[MAXPATHLEN-1] = 0;
250 static struct file_struct *make_file(char *fname)
252 static struct file_struct file;
254 char sum[SUM_LENGTH];
256 bzero(sum,SUM_LENGTH);
258 if (link_stat(fname,&st) != 0) {
259 fprintf(FERROR,"%s: %s\n",
260 fname,strerror(errno));
264 if (S_ISDIR(st.st_mode) && !recurse) {
265 fprintf(FERROR,"skipping directory %s\n",fname);
269 if (one_file_system && st.st_dev != filesystem_dev)
272 if (!match_file_name(fname,&st))
276 fprintf(FERROR,"make_file(%s)\n",fname);
278 bzero((char *)&file,sizeof(file));
280 file.name = strdup(fname);
281 file.modtime = st.st_mtime;
282 file.length = st.st_size;
283 file.mode = st.st_mode;
284 file.uid = st.st_uid;
285 file.gid = st.st_gid;
286 file.dev = st.st_dev;
287 file.inode = st.st_ino;
289 file.rdev = st.st_rdev;
293 if (S_ISLNK(st.st_mode)) {
295 char lnk[MAXPATHLEN];
296 if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
297 fprintf(FERROR,"readlink %s : %s\n",fname,strerror(errno));
301 file.link = strdup(lnk);
305 if (always_checksum && S_ISREG(st.st_mode)) {
306 file_checksum(fname,file.sum,st.st_size);
310 file.dir = strdup(flist_dir);
314 if (!S_ISDIR(st.st_mode))
315 total_size += st.st_size;
322 static void send_file_name(int f,struct file_list *flist,char *fname)
324 struct file_struct *file;
326 file = make_file(fname);
330 if (flist->count >= flist->malloced) {
331 if (flist->malloced < 100)
332 flist->malloced += 100;
334 flist->malloced *= 1.8;
335 flist->files = (struct file_struct *)realloc(flist->files,
336 sizeof(flist->files[0])*
339 out_of_memory("send_file_name");
342 if (strcmp(file->name,"/")) {
343 flist->files[flist->count++] = *file;
344 send_file_entry(file,f);
347 if (S_ISDIR(file->mode) && recurse) {
348 char **last_exclude_list = local_exclude_list;
349 send_directory(f,flist,file->name);
350 local_exclude_list = last_exclude_list;
357 static void send_directory(int f,struct file_list *flist,char *dir)
361 char fname[MAXPATHLEN];
367 fprintf(FERROR,"%s: %s\n",
368 dir,strerror(errno));
372 strncpy(fname,dir,MAXPATHLEN-1);
373 fname[MAXPATHLEN-1]=0;
375 if (fname[l-1] != '/') {
379 p = fname + strlen(fname);
382 strcpy(p,".cvsignore");
383 local_exclude_list = make_exclude_list(fname,NULL,0);
386 for (di=readdir(d); di; di=readdir(d)) {
387 if (strcmp(di->d_name,".")==0 ||
388 strcmp(di->d_name,"..")==0)
390 strncpy(p,di->d_name,MAXPATHLEN-(l+1));
391 send_file_name(f,flist,fname);
399 struct file_list *send_file_list(int f,int argc,char *argv[])
404 char dbuf[MAXPATHLEN];
405 struct file_list *flist;
407 if (verbose && recurse && !am_server) {
408 fprintf(FINFO,"building file list ... ");
412 flist = (struct file_list *)malloc(sizeof(flist[0]));
413 if (!flist) out_of_memory("send_file_list");
416 flist->malloced = 100;
417 flist->files = (struct file_struct *)malloc(sizeof(flist->files[0])*
419 if (!flist->files) out_of_memory("send_file_list");
421 for (i=0;i<argc;i++) {
422 char fname2[MAXPATHLEN];
423 char *fname = fname2;
425 strncpy(fname,argv[i],MAXPATHLEN-1);
426 fname[MAXPATHLEN-1] = 0;
429 if (l != 1 && fname[l-1] == '/') {
433 if (link_stat(fname,&st) != 0) {
434 fprintf(FERROR,"%s : %s\n",fname,strerror(errno));
438 if (S_ISDIR(st.st_mode) && !recurse) {
439 fprintf(FERROR,"skipping directory %s\n",fname);
445 if (!relative_paths) {
446 p = strrchr(fname,'/');
461 if (getcwd(dbuf,MAXPATHLEN-1) == NULL) {
462 fprintf(FERROR,"getwd : %s\n",strerror(errno));
465 if (chdir(dir) != 0) {
466 fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
471 set_filesystem(fname);
472 send_file_name(f,flist,fname);
474 if (chdir(dbuf) != 0) {
475 fprintf(FERROR,"chdir %s : %s\n",dbuf,strerror(errno));
482 set_filesystem(fname);
483 send_file_name(f,flist,fname);
487 send_file_entry(NULL,f);
491 if (verbose && recurse && !am_server)
492 fprintf(FINFO,"done\n");
500 struct file_list *recv_file_list(int f)
502 struct file_list *flist;
505 if (verbose && recurse && !am_server) {
506 fprintf(FINFO,"receiving file list ... ");
510 flist = (struct file_list *)malloc(sizeof(flist[0]));
516 flist->files = (struct file_struct *)malloc(sizeof(flist->files[0])*
522 for (flags=read_byte(f); flags; flags=read_byte(f)) {
523 int i = flist->count;
525 if (i >= flist->malloced) {
526 if (flist->malloced < 100)
527 flist->malloced += 100;
529 flist->malloced *= 1.8;
530 flist->files =(struct file_struct *)realloc(flist->files,
531 sizeof(flist->files[0])*
537 receive_file_entry(&flist->files[i],flags,f);
539 if (S_ISREG(flist->files[i].mode))
540 total_size += flist->files[i].length;
545 fprintf(FERROR,"recv_file_name(%s)\n",flist->files[i].name);
550 fprintf(FERROR,"received %d names\n",flist->count);
554 if (verbose && recurse && !am_server) {
555 fprintf(FINFO,"done\n");
561 out_of_memory("recv_file_list");
562 return NULL; /* not reached */
566 int file_compare(struct file_struct *f1,struct file_struct *f2)
568 if (!f1->name && !f2->name) return 0;
569 if (!f1->name) return -1;
570 if (!f2->name) return 1;
571 return strcmp(f1->name,f2->name);
575 /* we need this function because of the silly way in which duplicate
576 entries are handled in the file lists - we can't change this
577 without breaking existing versions */
578 static int flist_up(struct file_list *flist, int i)
580 while (!flist->files[i].name) i++;
585 int flist_find(struct file_list *flist,struct file_struct *f)
587 int low=0,high=flist->count-1;
589 if (flist->count <= 0) return -1;
591 while (low != high) {
592 int mid = (low+high)/2;
593 int ret = file_compare(&flist->files[flist_up(flist, mid)],f);
594 if (ret == 0) return flist_up(flist, mid);
602 if (file_compare(&flist->files[flist_up(flist,low)],f) == 0)
603 return flist_up(flist,low);
608 static void clean_fname(char *name)
619 if ((p=strstr(name,"/./"))) {
627 if ((p=strstr(name,"//"))) {
635 if (strncmp(p=name,"./",2) == 0) {
643 if (l > 1 && p[l-1] == '/') {
652 * This routine ensures we don't have any duplicate names in our file list.
653 * duplicate names can cause corruption because of the pipelining
655 void clean_flist(struct file_list *flist)
659 if (!flist || flist->count == 0)
662 for (i=0;i<flist->count;i++) {
663 clean_fname(flist->files[i].name);
666 qsort(flist->files,flist->count,
667 sizeof(flist->files[0]),
668 (int (*)())file_compare);
670 for (i=1;i<flist->count;i++) {
671 if (flist->files[i].name &&
672 strcmp(flist->files[i].name,flist->files[i-1].name) == 0) {
673 if (verbose > 1 && !am_server)
674 fprintf(FERROR,"removing duplicate name %s from file list %d\n",
675 flist->files[i-1].name,i-1);
676 free(flist->files[i-1].name);
677 bzero((char *)&flist->files[i-1],sizeof(flist->files[i-1]));