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;
45 static char **local_exclude_list = NULL;
47 static void clean_fname(char *name);
51 This function is used to check if a file should be included/excluded
52 from the list of files based on its name and type etc
54 static int match_file_name(char *fname,struct stat *st)
56 if (check_exclude(fname,local_exclude_list)) {
58 fprintf(FERROR,"excluding file %s\n",fname);
64 /* used by the one_file_system code */
65 static dev_t filesystem_dev;
67 static void set_filesystem(char *fname)
70 if (lstat(fname,&st) != 0) return;
71 filesystem_dev = st.st_dev;
75 static void send_directory(int f,struct file_list *flist,char *dir);
77 static char *flist_dir = NULL;
79 extern void (*send_file_entry)(struct file_struct *file,int f);
80 extern void (*receive_file_entry)(struct file_struct *file,
81 unsigned char flags,int f);
84 void send_file_entry_v11(struct file_struct *file,int f)
87 static time_t last_time=0;
88 static mode_t last_mode=0;
89 static dev_t last_rdev=0;
90 static uid_t last_uid=0;
91 static gid_t last_gid=0;
92 static char lastname[MAXPATHLEN]="";
104 if (file->mode == last_mode) flags |= SAME_MODE;
105 if (file->rdev == last_rdev) flags |= SAME_RDEV;
106 if (file->uid == last_uid) flags |= SAME_UID;
107 if (file->gid == last_gid) flags |= SAME_GID;
108 if (file->modtime == last_time) flags |= SAME_TIME;
110 for (l1=0;lastname[l1] && file->name[l1] == lastname[l1];l1++) ;
111 l2 = strlen(file->name) - l1;
113 if (l1 > 0) flags |= SAME_NAME;
114 if (l2 > 255) flags |= LONG_NAME;
117 if (flags & SAME_NAME)
119 if (flags & LONG_NAME)
123 write_buf(f,file->name+l1,l2);
125 write_int(f,(int)file->length);
126 if (!(flags & SAME_TIME))
127 write_int(f,(int)file->modtime);
128 if (!(flags & SAME_MODE))
129 write_int(f,(int)file->mode);
130 if (preserve_uid && !(flags & SAME_UID))
131 write_int(f,(int)file->uid);
132 if (preserve_gid && !(flags & SAME_GID))
133 write_int(f,(int)file->gid);
134 if (preserve_devices && IS_DEVICE(file->mode) && !(flags & SAME_RDEV))
135 write_int(f,(int)file->rdev);
138 if (preserve_links && S_ISLNK(file->mode)) {
139 write_int(f,strlen(file->link));
140 write_buf(f,file->link,strlen(file->link));
144 #if SUPPORT_HARD_LINKS
145 if (preserve_hard_links && S_ISREG(file->mode)) {
146 write_int(f,file->dev);
147 write_int(f,file->inode);
151 if (always_checksum) {
152 write_buf(f,file->sum,csum_length);
155 last_mode = file->mode;
156 last_rdev = file->rdev;
157 last_uid = file->uid;
158 last_gid = file->gid;
159 last_time = file->modtime;
161 strcpy(lastname,file->name);
167 void receive_file_entry_v11(struct file_struct *file,
168 unsigned char flags,int f)
170 static time_t last_time=0;
171 static mode_t last_mode=0;
172 static dev_t last_rdev=0;
173 static uid_t last_uid=0;
174 static gid_t last_gid=0;
175 static char lastname[MAXPATHLEN]="";
178 if (flags & SAME_NAME)
181 if (flags & LONG_NAME)
186 bzero((char *)file,sizeof(*file));
188 file->name = (char *)malloc(l1+l2+1);
189 if (!file->name) out_of_memory("receive_file_entry");
191 strncpy(file->name,lastname,l1);
192 read_buf(f,file->name+l1,l2);
193 file->name[l1+l2] = 0;
195 file->length = (off_t)read_int(f);
196 file->modtime = (flags & SAME_TIME) ? last_time : (time_t)read_int(f);
197 file->mode = (flags & SAME_MODE) ? last_mode : (mode_t)read_int(f);
199 file->uid = (flags & SAME_UID) ? last_uid : (uid_t)read_int(f);
201 file->gid = (flags & SAME_GID) ? last_gid : (gid_t)read_int(f);
202 if (preserve_devices && IS_DEVICE(file->mode))
203 file->rdev = (flags & SAME_RDEV) ? last_rdev : (dev_t)read_int(f);
206 if (preserve_links && S_ISLNK(file->mode)) {
208 file->link = (char *)malloc(l+1);
209 if (!file->link) out_of_memory("receive_file_entry");
210 read_buf(f,file->link,l);
215 #if SUPPORT_HARD_LINKS
216 if (preserve_hard_links && S_ISREG(file->mode)) {
217 file->dev = read_int(f);
218 file->inode = read_int(f);
223 read_buf(f,file->sum,csum_length);
225 last_mode = file->mode;
226 last_rdev = file->rdev;
227 last_uid = file->uid;
228 last_gid = file->gid;
229 last_time = file->modtime;
231 strcpy(lastname,file->name);
237 static struct file_struct *make_file(char *fname)
239 static struct file_struct file;
241 char sum[SUM_LENGTH];
243 bzero(sum,SUM_LENGTH);
245 if (lstat(fname,&st) != 0) {
246 fprintf(FERROR,"%s: %s\n",
247 fname,strerror(errno));
251 if (S_ISDIR(st.st_mode) && !recurse) {
252 fprintf(FERROR,"skipping directory %s\n",fname);
256 if (one_file_system && st.st_dev != filesystem_dev)
259 if (!match_file_name(fname,&st))
263 fprintf(FERROR,"make_file(%s)\n",fname);
265 bzero((char *)&file,sizeof(file));
267 file.name = strdup(fname);
268 file.modtime = st.st_mtime;
269 file.length = st.st_size;
270 file.mode = st.st_mode;
271 file.uid = st.st_uid;
272 file.gid = st.st_gid;
273 file.dev = st.st_dev;
274 file.inode = st.st_ino;
276 file.rdev = st.st_rdev;
280 if (S_ISLNK(st.st_mode)) {
282 char lnk[MAXPATHLEN];
283 if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
284 fprintf(FERROR,"readlink %s : %s\n",fname,strerror(errno));
288 file.link = strdup(lnk);
292 if (always_checksum && S_ISREG(st.st_mode)) {
293 file_checksum(fname,file.sum,st.st_size);
297 file.dir = strdup(flist_dir);
301 if (!S_ISDIR(st.st_mode))
302 total_size += st.st_size;
309 static void send_file_name(int f,struct file_list *flist,char *fname)
311 struct file_struct *file;
313 file = make_file(fname);
317 if (flist->count >= flist->malloced) {
318 flist->malloced += 100;
319 flist->files = (struct file_struct *)realloc(flist->files,
320 sizeof(flist->files[0])*
323 out_of_memory("send_file_name");
326 if (strcmp(file->name,".") && strcmp(file->name,"/")) {
327 flist->files[flist->count++] = *file;
328 send_file_entry(file,f);
331 if (S_ISDIR(file->mode) && recurse) {
332 char **last_exclude_list = local_exclude_list;
333 send_directory(f,flist,file->name);
334 local_exclude_list = last_exclude_list;
341 static void send_directory(int f,struct file_list *flist,char *dir)
345 char fname[MAXPATHLEN];
351 fprintf(FERROR,"%s: %s\n",
352 dir,strerror(errno));
358 if (fname[l-1] != '/')
360 p = fname + strlen(fname);
363 strcpy(p,".cvsignore");
364 local_exclude_list = make_exclude_list(fname,NULL,0);
367 for (di=readdir(d); di; di=readdir(d)) {
368 if (strcmp(di->d_name,".")==0 ||
369 strcmp(di->d_name,"..")==0)
371 strcpy(p,di->d_name);
372 send_file_name(f,flist,fname);
380 struct file_list *send_file_list(int f,int argc,char *argv[])
385 char dbuf[MAXPATHLEN];
386 struct file_list *flist;
388 if (verbose && recurse && !am_server) {
389 fprintf(FINFO,"building file list ... ");
393 flist = (struct file_list *)malloc(sizeof(flist[0]));
394 if (!flist) out_of_memory("send_file_list");
397 flist->malloced = 100;
398 flist->files = (struct file_struct *)malloc(sizeof(flist->files[0])*
400 if (!flist->files) out_of_memory("send_file_list");
402 for (i=0;i<argc;i++) {
403 char fname2[MAXPATHLEN];
404 char *fname = fname2;
406 strcpy(fname,argv[i]);
409 if (l != 1 && fname[l-1] == '/') {
413 if (lstat(fname,&st) != 0) {
414 fprintf(FERROR,"%s : %s\n",fname,strerror(errno));
418 if (S_ISDIR(st.st_mode) && !recurse) {
419 fprintf(FERROR,"skipping directory %s\n",fname);
424 p = strrchr(fname,'/');
437 if (getcwd(dbuf,MAXPATHLEN-1) == NULL) {
438 fprintf(FERROR,"getwd : %s\n",strerror(errno));
441 if (chdir(dir) != 0) {
442 fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
447 set_filesystem(fname);
448 send_file_name(f,flist,fname);
450 if (chdir(dbuf) != 0) {
451 fprintf(FERROR,"chdir %s : %s\n",dbuf,strerror(errno));
458 set_filesystem(fname);
459 send_file_name(f,flist,fname);
463 send_file_entry(NULL,f);
467 if (verbose && recurse && !am_server)
468 fprintf(FINFO,"done\n");
476 struct file_list *recv_file_list(int f)
478 struct file_list *flist;
481 if (verbose && recurse && !am_server) {
482 fprintf(FINFO,"receiving file list ... ");
486 flist = (struct file_list *)malloc(sizeof(flist[0]));
492 flist->files = (struct file_struct *)malloc(sizeof(flist->files[0])*
498 for (flags=read_byte(f); flags; flags=read_byte(f)) {
499 int i = flist->count;
501 if (i >= flist->malloced) {
502 flist->malloced += 100;
503 flist->files =(struct file_struct *)realloc(flist->files,
504 sizeof(flist->files[0])*
510 receive_file_entry(&flist->files[i],flags,f);
512 if (S_ISREG(flist->files[i].mode))
513 total_size += flist->files[i].length;
518 fprintf(FERROR,"recv_file_name(%s)\n",flist->files[i].name);
523 fprintf(FERROR,"received %d names\n",flist->count);
527 if (verbose && recurse && !am_server) {
528 fprintf(FINFO,"done\n");
534 out_of_memory("recv_file_list");
535 return NULL; /* not reached */
539 int file_compare(struct file_struct *f1,struct file_struct *f2)
541 if (!f1->name && !f2->name) return 0;
542 if (!f1->name) return -1;
543 if (!f2->name) return 1;
544 return strcmp(f1->name,f2->name);
548 int flist_find(struct file_list *flist,struct file_struct *f)
550 int low=0,high=flist->count;
552 while (low != high) {
553 int mid = (low+high)/2;
554 int ret = file_compare(&flist->files[mid],f);
555 if (ret == 0) return mid;
561 if (file_compare(&flist->files[low],f) == 0)
567 static void clean_fname(char *name)
578 if ((p=strstr(name,"/./"))) {
586 if ((p=strstr(name,"//"))) {
594 if (strncmp(p=name,"./",2) == 0) {
603 if (l > 1 && p[l-1] == '/') {
612 * This routine ensures we don't have any duplicate names in our file list.
613 * duplicate names can cause corruption because of the pipelining
615 void clean_flist(struct file_list *flist)
619 if (!flist || flist->count == 0)
622 for (i=0;i<flist->count;i++) {
623 clean_fname(flist->files[i].name);
626 qsort(flist->files,flist->count,
627 sizeof(flist->files[0]),
628 (int (*)())file_compare);
630 for (i=1;i<flist->count;i++) {
631 if (flist->files[i].name &&
632 strcmp(flist->files[i].name,flist->files[i-1].name) == 0) {
633 if (verbose > 1 && !am_server)
634 fprintf(FERROR,"removing duplicate name %s from file list %d\n",
635 flist->files[i-1].name,i-1);
636 free(flist->files[i-1].name);
637 bzero((char *)&flist->files[i-1],sizeof(flist->files[i-1]));