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;
33 extern int one_file_system;
34 extern int make_backups;
35 extern int preserve_links;
36 extern int preserve_hard_links;
37 extern int preserve_perms;
38 extern int preserve_devices;
39 extern int preserve_uid;
40 extern int preserve_gid;
41 extern int preserve_times;
43 static char **local_exclude_list = NULL;
45 static void clean_fname(char *name);
49 This function is used to check if a file should be included/excluded
50 from the list of files based on its name and type etc
52 static int match_file_name(char *fname,struct stat *st)
54 if (check_exclude(fname,local_exclude_list)) {
56 fprintf(FERROR,"excluding file %s\n",fname);
62 /* used by the one_file_system code */
63 static dev_t filesystem_dev;
65 static void set_filesystem(char *fname)
68 if (lstat(fname,&st) != 0) return;
69 filesystem_dev = st.st_dev;
73 static void send_directory(int f,struct file_list *flist,char *dir);
75 static char *flist_dir = NULL;
77 extern void (*send_file_entry)(struct file_struct *file,int f);
78 extern void (*receive_file_entry)(struct file_struct *file,
79 unsigned char flags,int f);
82 void send_file_entry_v11(struct file_struct *file,int f)
85 static time_t last_time=0;
86 static mode_t last_mode=0;
87 static dev_t last_rdev=0;
88 static uid_t last_uid=0;
89 static gid_t last_gid=0;
90 static char lastname[MAXPATHLEN]="";
102 if (file->mode == last_mode) flags |= SAME_MODE;
103 if (file->rdev == last_rdev) flags |= SAME_RDEV;
104 if (file->uid == last_uid) flags |= SAME_UID;
105 if (file->gid == last_gid) flags |= SAME_GID;
106 if (file->modtime == last_time) flags |= SAME_TIME;
108 for (l1=0;lastname[l1] && file->name[l1] == lastname[l1];l1++) ;
109 l2 = strlen(file->name) - l1;
111 if (l1 > 0) flags |= SAME_NAME;
112 if (l2 > 255) flags |= LONG_NAME;
115 if (flags & SAME_NAME)
117 if (flags & LONG_NAME)
121 write_buf(f,file->name+l1,l2);
123 write_int(f,(int)file->length);
124 if (!(flags & SAME_TIME))
125 write_int(f,(int)file->modtime);
126 if (!(flags & SAME_MODE))
127 write_int(f,(int)file->mode);
128 if (preserve_uid && !(flags & SAME_UID))
129 write_int(f,(int)file->uid);
130 if (preserve_gid && !(flags & SAME_GID))
131 write_int(f,(int)file->gid);
132 if (preserve_devices && IS_DEVICE(file->mode) && !(flags & SAME_RDEV))
133 write_int(f,(int)file->rdev);
136 if (preserve_links && S_ISLNK(file->mode)) {
137 write_int(f,strlen(file->link));
138 write_buf(f,file->link,strlen(file->link));
142 #if SUPPORT_HARD_LINKS
143 if (preserve_hard_links && S_ISREG(file->mode)) {
144 write_int(f,file->dev);
145 write_int(f,file->inode);
149 if (always_checksum) {
150 write_buf(f,file->sum,csum_length);
153 last_mode = file->mode;
154 last_rdev = file->rdev;
155 last_uid = file->uid;
156 last_gid = file->gid;
157 last_time = file->modtime;
159 strcpy(lastname,file->name);
165 void receive_file_entry_v11(struct file_struct *file,
166 unsigned char flags,int f)
168 static time_t last_time=0;
169 static mode_t last_mode=0;
170 static dev_t last_rdev=0;
171 static uid_t last_uid=0;
172 static gid_t last_gid=0;
173 static char lastname[MAXPATHLEN]="";
176 if (flags & SAME_NAME)
179 if (flags & LONG_NAME)
184 bzero((char *)file,sizeof(*file));
186 file->name = (char *)malloc(l1+l2+1);
187 if (!file->name) out_of_memory("receive_file_entry");
189 strncpy(file->name,lastname,l1);
190 read_buf(f,file->name+l1,l2);
191 file->name[l1+l2] = 0;
193 file->length = (off_t)read_int(f);
194 file->modtime = (flags & SAME_TIME) ? last_time : (time_t)read_int(f);
195 file->mode = (flags & SAME_MODE) ? last_mode : (mode_t)read_int(f);
197 file->uid = (flags & SAME_UID) ? last_uid : (uid_t)read_int(f);
199 file->gid = (flags & SAME_GID) ? last_gid : (gid_t)read_int(f);
200 if (preserve_devices && IS_DEVICE(file->mode))
201 file->rdev = (flags & SAME_RDEV) ? last_rdev : (dev_t)read_int(f);
204 if (preserve_links && S_ISLNK(file->mode)) {
206 file->link = (char *)malloc(l+1);
207 if (!file->link) out_of_memory("receive_file_entry");
208 read_buf(f,file->link,l);
213 #if SUPPORT_HARD_LINKS
214 if (preserve_hard_links && S_ISREG(file->mode)) {
215 file->dev = read_int(f);
216 file->inode = read_int(f);
221 read_buf(f,file->sum,csum_length);
223 last_mode = file->mode;
224 last_rdev = file->rdev;
225 last_uid = file->uid;
226 last_gid = file->gid;
227 last_time = file->modtime;
229 strcpy(lastname,file->name);
235 static struct file_struct *make_file(int recurse,char *fname)
237 static struct file_struct file;
239 char sum[SUM_LENGTH];
241 bzero(sum,SUM_LENGTH);
243 if (lstat(fname,&st) != 0) {
244 fprintf(FERROR,"%s: %s\n",
245 fname,strerror(errno));
249 if (S_ISDIR(st.st_mode) && !recurse) {
250 fprintf(FERROR,"skipping directory %s\n",fname);
254 if (one_file_system && st.st_dev != filesystem_dev)
257 if (!match_file_name(fname,&st))
261 fprintf(FERROR,"make_file(%s)\n",fname);
263 bzero((char *)&file,sizeof(file));
265 file.name = strdup(fname);
266 file.modtime = st.st_mtime;
267 file.length = st.st_size;
268 file.mode = st.st_mode;
269 file.uid = st.st_uid;
270 file.gid = st.st_gid;
271 file.dev = st.st_dev;
272 file.inode = st.st_ino;
274 file.rdev = st.st_rdev;
278 if (S_ISLNK(st.st_mode)) {
280 char lnk[MAXPATHLEN];
281 if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
282 fprintf(FERROR,"readlink %s : %s\n",fname,strerror(errno));
286 file.link = strdup(lnk);
290 if (always_checksum && S_ISREG(st.st_mode)) {
291 file_checksum(fname,file.sum,st.st_size);
295 file.dir = strdup(flist_dir);
299 if (!S_ISDIR(st.st_mode))
300 total_size += st.st_size;
307 static void send_file_name(int f,struct file_list *flist,
308 int recurse,char *fname)
310 struct file_struct *file;
312 file = make_file(recurse,fname);
316 if (flist->count >= flist->malloced) {
317 flist->malloced += 100;
318 flist->files = (struct file_struct *)realloc(flist->files,
319 sizeof(flist->files[0])*
322 out_of_memory("send_file_name");
325 if (strcmp(file->name,".") && strcmp(file->name,"/")) {
326 flist->files[flist->count++] = *file;
327 send_file_entry(file,f);
330 if (S_ISDIR(file->mode) && recurse) {
331 char **last_exclude_list = local_exclude_list;
332 send_directory(f,flist,file->name);
333 local_exclude_list = last_exclude_list;
340 static void send_directory(int f,struct file_list *flist,char *dir)
344 char fname[MAXPATHLEN];
350 fprintf(FERROR,"%s: %s\n",
351 dir,strerror(errno));
357 if (fname[l-1] != '/')
359 p = fname + strlen(fname);
362 strcpy(p,".cvsignore");
363 local_exclude_list = make_exclude_list(fname,NULL,0);
366 for (di=readdir(d); di; di=readdir(d)) {
367 if (strcmp(di->d_name,".")==0 ||
368 strcmp(di->d_name,"..")==0)
370 strcpy(p,di->d_name);
371 send_file_name(f,flist,1,fname);
379 struct file_list *send_file_list(int f,int recurse,int argc,char *argv[])
384 char dbuf[MAXPATHLEN];
385 struct file_list *flist;
387 if (verbose && recurse) {
388 fprintf(FINFO,"building file list ... ");
392 flist = (struct file_list *)malloc(sizeof(flist[0]));
393 if (!flist) out_of_memory("send_file_list");
396 flist->malloced = 100;
397 flist->files = (struct file_struct *)malloc(sizeof(flist->files[0])*
399 if (!flist->files) out_of_memory("send_file_list");
401 for (i=0;i<argc;i++) {
402 char fname2[MAXPATHLEN];
403 char *fname = fname2;
405 strcpy(fname,argv[i]);
408 if (l != 1 && fname[l-1] == '/') {
412 if (lstat(fname,&st) != 0) {
413 fprintf(FERROR,"%s : %s\n",fname,strerror(errno));
417 if (S_ISDIR(st.st_mode) && !recurse) {
418 fprintf(FERROR,"skipping directory %s\n",fname);
423 p = strrchr(fname,'/');
433 if (getcwd(dbuf,MAXPATHLEN-1) == NULL) {
434 fprintf(FERROR,"getwd : %s\n",strerror(errno));
437 if (chdir(dir) != 0) {
438 fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
443 set_filesystem(fname);
444 send_file_name(f,flist,recurse,fname);
446 if (chdir(dbuf) != 0) {
447 fprintf(FERROR,"chdir %s : %s\n",dbuf,strerror(errno));
454 set_filesystem(fname);
455 send_file_name(f,flist,recurse,fname);
459 send_file_entry(NULL,f);
463 if (verbose && recurse)
464 fprintf(FINFO,"done\n");
472 struct file_list *recv_file_list(int f)
474 struct file_list *flist;
478 fprintf(FERROR,"recv_file_list starting\n");
480 flist = (struct file_list *)malloc(sizeof(flist[0]));
486 flist->files = (struct file_struct *)malloc(sizeof(flist->files[0])*
492 for (flags=read_byte(f); flags; flags=read_byte(f)) {
493 int i = flist->count;
495 if (i >= flist->malloced) {
496 flist->malloced += 100;
497 flist->files =(struct file_struct *)realloc(flist->files,
498 sizeof(flist->files[0])*
504 receive_file_entry(&flist->files[i],flags,f);
506 if (S_ISREG(flist->files[i].mode))
507 total_size += flist->files[i].length;
512 fprintf(FERROR,"recv_file_name(%s)\n",flist->files[i].name);
517 fprintf(FERROR,"received %d names\n",flist->count);
524 out_of_memory("recv_file_list");
525 return NULL; /* not reached */
529 int file_compare(struct file_struct *f1,struct file_struct *f2)
531 if (!f1->name && !f2->name) return 0;
532 if (!f1->name) return -1;
533 if (!f2->name) return 1;
534 return strcmp(f1->name,f2->name);
538 int flist_find(struct file_list *flist,struct file_struct *f)
540 int low=0,high=flist->count;
542 while (low != high) {
543 int mid = (low+high)/2;
544 int ret = file_compare(&flist->files[mid],f);
545 if (ret == 0) return mid;
551 if (file_compare(&flist->files[low],f) == 0)
557 static void clean_fname(char *name)
568 if ((p=strstr(name,"/./"))) {
576 if ((p=strstr(name,"//"))) {
584 if (strncmp(p=name,"./",2) == 0) {
593 if (l > 1 && p[l-1] == '/') {
602 * This routine ensures we don't have any duplicate names in our file list.
603 * duplicate names can cause corruption because of the pipelining
605 void clean_flist(struct file_list *flist)
609 if (!flist || flist->count == 0)
612 for (i=0;i<flist->count;i++) {
613 clean_fname(flist->files[i].name);
616 qsort(flist->files,flist->count,
617 sizeof(flist->files[0]),
618 (int (*)())file_compare);
620 for (i=1;i<flist->count;i++) {
621 if (flist->files[i].name &&
622 strcmp(flist->files[i].name,flist->files[i-1].name) == 0) {
623 if (verbose > 1 && !am_server)
624 fprintf(FERROR,"removing duplicate name %s from file list %d\n",
625 flist->files[i-1].name,i-1);
626 free(flist->files[i-1].name);
627 bzero((char *)&flist->files[i-1],sizeof(flist->files[i-1]));