extern int remote_version;
extern char *backup_suffix;
+extern char *tmpdir;
extern int whole_file;
extern int block_size;
extern int cvs_exclude;
extern int am_root;
extern int relative_paths;
+extern int io_timeout;
+extern int io_error;
+extern struct stats stats;
+
+
+/* handling the cleanup when a transfer is interrupted is tricky when
+ --partial is selected. We need to ensure that the partial file is
+ kept if any real data has been transferred */
+static int cleanup_got_literal;
+static char *cleanup_fname;
+static char *cleanup_new_fname;
+static struct file_struct *cleanup_file;
+static void finish_transfer(char *fname, char *fnametmp, struct file_struct *file);
+
+void exit_cleanup(int code)
+{
+ extern int keep_partial;
+
+ signal(SIGUSR1, SIG_IGN);
+
+ if (cleanup_got_literal && cleanup_fname && keep_partial) {
+ char *fname = cleanup_fname;
+ cleanup_fname = NULL;
+ finish_transfer(cleanup_new_fname, fname, cleanup_file);
+ }
+ io_flush();
+ if (cleanup_fname)
+ do_unlink(cleanup_fname);
+ if (code) {
+ kill_all(SIGUSR1);
+ }
+ exit(code);
+}
+
/*
free a sums struct
*/
static void free_sums(struct sum_struct *s)
{
- if (s->sums) free(s->sums);
- free(s);
+ if (s->sums) free(s->sums);
+ free(s);
}
+/*
+ * delete a file or directory. If force_delet is set then delete
+ * recursively
+ */
+static int delete_file(char *fname)
+{
+ DIR *d;
+ struct dirent *di;
+ char buf[MAXPATHLEN];
+ extern int force_delete;
+ STRUCT_STAT st;
+ int ret;
+ extern int recurse;
+
+ if (do_unlink(fname) == 0 || errno == ENOENT) return 0;
+
+#if SUPPORT_LINKS
+ ret = do_lstat(fname, &st);
+#else
+ ret = do_stat(fname, &st);
+#endif
+ if (ret) {
+ rprintf(FERROR,"stat(%s) : %s\n", fname, strerror(errno));
+ return -1;
+ }
+
+ if (!S_ISDIR(st.st_mode)) {
+ rprintf(FERROR,"unlink(%s) : %s\n", fname, strerror(errno));
+ return -1;
+ }
+
+ if (do_rmdir(fname) == 0 || errno == ENOENT) return 0;
+ if (!force_delete || !recurse ||
+ (errno != ENOTEMPTY && errno != EEXIST)) {
+ rprintf(FERROR,"rmdir(%s) : %s\n", fname, strerror(errno));
+ return -1;
+ }
+
+ /* now we do a recsursive delete on the directory ... */
+ d = opendir(fname);
+ if (!d) {
+ rprintf(FERROR,"opendir(%s): %s\n",
+ fname,strerror(errno));
+ return -1;
+ }
+
+ for (di=readdir(d); di; di=readdir(d)) {
+ char *dname = d_name(di);
+ if (strcmp(dname,".")==0 ||
+ strcmp(dname,"..")==0)
+ continue;
+ slprintf(buf, sizeof(buf)-1, "%s/%s", fname, dname);
+ if (verbose > 0)
+ rprintf(FINFO,"deleting %s\n", buf);
+ if (delete_file(buf) != 0) {
+ closedir(d);
+ return -1;
+ }
+ }
+
+ closedir(d);
+
+ if (do_rmdir(fname) != 0) {
+ rprintf(FERROR,"rmdir(%s) : %s\n", fname, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
/*
send a sums struct down a fd
*/
static void send_sums(struct sum_struct *s,int f_out)
{
- int i;
+ int i;
/* tell the other guy how many we are going to be doing and how many
bytes there are in the last chunk */
- write_int(f_out,s?s->count:0);
- write_int(f_out,s?s->n:block_size);
- write_int(f_out,s?s->remainder:0);
- if (s)
- for (i=0;i<s->count;i++) {
- write_int(f_out,s->sums[i].sum1);
- write_buf(f_out,s->sums[i].sum2,csum_length);
- }
- write_flush(f_out);
+ write_int(f_out,s?s->count:0);
+ write_int(f_out,s?s->n:block_size);
+ write_int(f_out,s?s->remainder:0);
+ if (s)
+ for (i=0;i<s->count;i++) {
+ write_int(f_out,s->sums[i].sum1);
+ write_buf(f_out,s->sums[i].sum2,csum_length);
+ }
}
generate approximately one checksum every n bytes
*/
-static struct sum_struct *generate_sums(struct map_struct *buf,off_t len,int n)
+static struct sum_struct *generate_sums(struct map_struct *buf,OFF_T len,int n)
{
- int i;
- struct sum_struct *s;
- int count;
- int block_len = n;
- int remainder = (len%block_len);
- off_t offset = 0;
-
- count = (len+(block_len-1))/block_len;
-
- s = (struct sum_struct *)malloc(sizeof(*s));
- if (!s) out_of_memory("generate_sums");
-
- s->count = count;
- s->remainder = remainder;
- s->n = n;
- s->flength = len;
-
- if (count==0) {
- s->sums = NULL;
- return s;
- }
-
- if (verbose > 3)
- fprintf(FERROR,"count=%d rem=%d n=%d flength=%d\n",
- s->count,s->remainder,s->n,(int)s->flength);
-
- s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
- if (!s->sums) out_of_memory("generate_sums");
+ int i;
+ struct sum_struct *s;
+ int count;
+ int block_len = n;
+ int remainder = (len%block_len);
+ OFF_T offset = 0;
+
+ count = (len+(block_len-1))/block_len;
+
+ s = (struct sum_struct *)malloc(sizeof(*s));
+ if (!s) out_of_memory("generate_sums");
+
+ s->count = count;
+ s->remainder = remainder;
+ s->n = n;
+ s->flength = len;
+
+ if (count==0) {
+ s->sums = NULL;
+ return s;
+ }
+
+ if (verbose > 3)
+ rprintf(FINFO,"count=%d rem=%d n=%d flength=%d\n",
+ s->count,s->remainder,s->n,(int)s->flength);
+
+ s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
+ if (!s->sums) out_of_memory("generate_sums");
- for (i=0;i<count;i++) {
- int n1 = MIN(len,n);
- char *map = map_ptr(buf,offset,n1);
+ for (i=0;i<count;i++) {
+ int n1 = MIN(len,n);
+ char *map = map_ptr(buf,offset,n1);
- s->sums[i].sum1 = get_checksum1(map,n1);
- get_checksum2(map,n1,s->sums[i].sum2);
+ s->sums[i].sum1 = get_checksum1(map,n1);
+ get_checksum2(map,n1,s->sums[i].sum2);
- s->sums[i].offset = offset;
- s->sums[i].len = n1;
- s->sums[i].i = i;
+ s->sums[i].offset = offset;
+ s->sums[i].len = n1;
+ s->sums[i].i = i;
- if (verbose > 3)
- fprintf(FERROR,"chunk[%d] offset=%d len=%d sum1=%08x\n",
- i,(int)s->sums[i].offset,s->sums[i].len,s->sums[i].sum1);
+ if (verbose > 3)
+ rprintf(FINFO,"chunk[%d] offset=%d len=%d sum1=%08x\n",
+ i,(int)s->sums[i].offset,s->sums[i].len,s->sums[i].sum1);
- len -= n1;
- offset += n1;
- }
+ len -= n1;
+ offset += n1;
+ }
- return s;
+ return s;
}
*/
static struct sum_struct *receive_sums(int f)
{
- struct sum_struct *s;
- int i;
- off_t offset = 0;
+ struct sum_struct *s;
+ int i;
+ OFF_T offset = 0;
- s = (struct sum_struct *)malloc(sizeof(*s));
- if (!s) out_of_memory("receive_sums");
+ s = (struct sum_struct *)malloc(sizeof(*s));
+ if (!s) out_of_memory("receive_sums");
- s->count = read_int(f);
- s->n = read_int(f);
- s->remainder = read_int(f);
- s->sums = NULL;
+ s->count = read_int(f);
+ s->n = read_int(f);
+ s->remainder = read_int(f);
+ s->sums = NULL;
- if (verbose > 3)
- fprintf(FERROR,"count=%d n=%d rem=%d\n",
- s->count,s->n,s->remainder);
+ if (verbose > 3)
+ rprintf(FINFO,"count=%d n=%d rem=%d\n",
+ s->count,s->n,s->remainder);
- if (s->count == 0)
- return(s);
+ if (s->count == 0)
+ return(s);
- s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
- if (!s->sums) out_of_memory("receive_sums");
+ s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
+ if (!s->sums) out_of_memory("receive_sums");
- for (i=0;i<s->count;i++) {
- s->sums[i].sum1 = read_int(f);
- read_buf(f,s->sums[i].sum2,csum_length);
+ for (i=0;i<s->count;i++) {
+ s->sums[i].sum1 = read_int(f);
+ read_buf(f,s->sums[i].sum2,csum_length);
- s->sums[i].offset = offset;
- s->sums[i].i = i;
+ s->sums[i].offset = offset;
+ s->sums[i].i = i;
- if (i == s->count-1 && s->remainder != 0) {
- s->sums[i].len = s->remainder;
- } else {
- s->sums[i].len = s->n;
- }
- offset += s->sums[i].len;
+ if (i == s->count-1 && s->remainder != 0) {
+ s->sums[i].len = s->remainder;
+ } else {
+ s->sums[i].len = s->n;
+ }
+ offset += s->sums[i].len;
- if (verbose > 3)
- fprintf(FERROR,"chunk[%d] len=%d offset=%d sum1=%08x\n",
- i,s->sums[i].len,(int)s->sums[i].offset,s->sums[i].sum1);
- }
+ if (verbose > 3)
+ rprintf(FINFO,"chunk[%d] len=%d offset=%d sum1=%08x\n",
+ i,s->sums[i].len,(int)s->sums[i].offset,s->sums[i].sum1);
+ }
- s->flength = offset;
+ s->flength = offset;
- return s;
+ return s;
}
-static int set_perms(char *fname,struct file_struct *file,struct stat *st,
+static int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
int report)
{
- int updated = 0;
- struct stat st2;
-
- if (dry_run) return 0;
-
- if (!st) {
- if (link_stat(fname,&st2) != 0) {
- fprintf(FERROR,"stat %s : %s\n",fname,strerror(errno));
- return 0;
- }
- st = &st2;
- }
-
- if (preserve_times && !S_ISLNK(st->st_mode) &&
- st->st_mtime != file->modtime) {
- updated = 1;
- if (set_modtime(fname,file->modtime) != 0) {
- fprintf(FERROR,"failed to set times on %s : %s\n",
- fname,strerror(errno));
- return 0;
- }
- }
+ int updated = 0;
+ STRUCT_STAT st2;
+ extern int am_daemon;
+
+ if (dry_run) return 0;
+
+ if (!st) {
+ if (link_stat(fname,&st2) != 0) {
+ rprintf(FERROR,"stat %s : %s\n",fname,strerror(errno));
+ return 0;
+ }
+ st = &st2;
+ }
+
+ if (preserve_times && !S_ISLNK(st->st_mode) &&
+ st->st_mtime != file->modtime) {
+ updated = 1;
+ if (set_modtime(fname,file->modtime) != 0) {
+ rprintf(FERROR,"failed to set times on %s : %s\n",
+ fname,strerror(errno));
+ return 0;
+ }
+ }
+
+ if ((am_root || !am_daemon) &&
+ ((am_root && preserve_uid && st->st_uid != file->uid) ||
+ (preserve_gid && st->st_gid != file->gid))) {
+ if (do_lchown(fname,
+ (am_root&&preserve_uid)?file->uid:-1,
+ preserve_gid?file->gid:-1) != 0) {
+ if (preserve_uid && st->st_uid != file->uid)
+ updated = 1;
+ if (verbose>1 || preserve_uid) {
+ rprintf(FERROR,"chown %s : %s\n",
+ fname,strerror(errno));
+ return 0;
+ }
+ } else {
+ updated = 1;
+ }
+ }
#ifdef HAVE_CHMOD
- if (preserve_perms && !S_ISLNK(st->st_mode) &&
- st->st_mode != file->mode) {
- updated = 1;
- if (chmod(fname,file->mode) != 0) {
- fprintf(FERROR,"failed to set permissions on %s : %s\n",
- fname,strerror(errno));
- return 0;
- }
- }
+ if (preserve_perms && !S_ISLNK(st->st_mode) &&
+ (st->st_mode != file->mode ||
+ (updated && (file->mode & ~ACCESSPERMS)))) {
+ updated = 1;
+ if (do_chmod(fname,file->mode) != 0) {
+ rprintf(FERROR,"failed to set permissions on %s : %s\n",
+ fname,strerror(errno));
+ return 0;
+ }
+ }
#endif
-
- if ((am_root && preserve_uid && st->st_uid != file->uid) ||
- (preserve_gid && st->st_gid != file->gid)) {
- updated = 1;
- if (lchown(fname,
- (am_root&&preserve_uid)?file->uid:-1,
- preserve_gid?file->gid:-1) != 0) {
- if (verbose>1 || preserve_uid)
- fprintf(FERROR,"chown %s : %s\n",fname,strerror(errno));
- return updated;
- }
- }
- if (verbose > 1 && report) {
- if (updated)
- fprintf(FINFO,"%s\n",fname);
- else
- fprintf(FINFO,"%s is uptodate\n",fname);
- }
- return updated;
+ if (verbose > 1 && report) {
+ if (updated)
+ rprintf(FINFO,"%s\n",fname);
+ else
+ rprintf(FINFO,"%s is uptodate\n",fname);
+ }
+ return updated;
+}
+
+
+/* choose whether to skip a particular file */
+static int skip_file(char *fname,
+ struct file_struct *file, STRUCT_STAT *st)
+{
+ if (st->st_size != file->length) {
+ return 0;
+ }
+
+ /* if always checksum is set then we use the checksum instead
+ of the file time to determine whether to sync */
+ if (always_checksum && S_ISREG(st->st_mode)) {
+ char sum[MD4_SUM_LENGTH];
+ file_checksum(fname,sum,st->st_size);
+ return (memcmp(sum,file->sum,csum_length) == 0);
+ }
+
+ if (ignore_times) {
+ return 0;
+ }
+
+ return (st->st_mtime == file->modtime);
}
-void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
+/* use a larger block size for really big files */
+static int adapt_block_size(struct file_struct *file, int bsize)
+{
+ int ret;
+
+ if (bsize != BLOCK_SIZE) return bsize;
+
+ ret = file->length / (10000); /* rough heuristic */
+ ret = ret & ~15; /* multiple of 16 */
+ if (ret < bsize) ret = bsize;
+ if (ret > CHUNK_SIZE/2) ret = CHUNK_SIZE/2;
+ return ret;
+}
+
+static void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
{
- int fd;
- struct stat st;
- struct map_struct *buf;
- struct sum_struct *s;
- char sum[MD4_SUM_LENGTH];
- int statret;
- struct file_struct *file = &flist->files[i];
-
- if (verbose > 2)
- fprintf(FERROR,"recv_generator(%s,%d)\n",fname,i);
-
- statret = link_stat(fname,&st);
-
- if (S_ISDIR(file->mode)) {
- if (dry_run) return;
- if (statret == 0 && !S_ISDIR(st.st_mode)) {
- if (unlink(fname) != 0) {
- fprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno));
- return;
- }
- statret = -1;
- }
- if (statret != 0 && mkdir(fname,file->mode) != 0 && errno != EEXIST) {
- if (!(relative_paths && errno==ENOENT &&
- create_directory_path(fname)==0 &&
- mkdir(fname,file->mode)==0)) {
- fprintf(FERROR,"mkdir %s : %s (2)\n",
- fname,strerror(errno));
- }
- }
- if (set_perms(fname,file,NULL,0) && verbose)
- fprintf(FINFO,"%s/\n",fname);
- return;
- }
-
- if (preserve_links && S_ISLNK(file->mode)) {
+ int fd;
+ STRUCT_STAT st;
+ struct map_struct *buf;
+ struct sum_struct *s;
+ int statret;
+ struct file_struct *file = flist->files[i];
+
+ if (verbose > 2)
+ rprintf(FINFO,"recv_generator(%s,%d)\n",fname,i);
+
+ statret = link_stat(fname,&st);
+
+ if (S_ISDIR(file->mode)) {
+ if (dry_run) return;
+ if (statret == 0 && !S_ISDIR(st.st_mode)) {
+ if (do_unlink(fname) != 0) {
+ rprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno));
+ return;
+ }
+ statret = -1;
+ }
+ if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
+ if (!(relative_paths && errno==ENOENT &&
+ create_directory_path(fname)==0 &&
+ do_mkdir(fname,file->mode)==0)) {
+ rprintf(FERROR,"mkdir %s : %s (2)\n",
+ fname,strerror(errno));
+ }
+ }
+ if (set_perms(fname,file,NULL,0) && verbose)
+ rprintf(FINFO,"%s/\n",fname);
+ return;
+ }
+
+ if (preserve_links && S_ISLNK(file->mode)) {
#if SUPPORT_LINKS
- char lnk[MAXPATHLEN];
- int l;
- if (statret == 0) {
- l = readlink(fname,lnk,MAXPATHLEN-1);
- if (l > 0) {
- lnk[l] = 0;
- if (strcmp(lnk,file->link) == 0) {
- set_perms(fname,file,&st,1);
- return;
- }
- }
- }
- if (!dry_run) unlink(fname);
- if (!dry_run && symlink(file->link,fname) != 0) {
- fprintf(FERROR,"link %s -> %s : %s\n",
- fname,file->link,strerror(errno));
- } else {
- set_perms(fname,file,NULL,0);
- if (verbose)
- fprintf(FINFO,"%s -> %s\n",
- fname,file->link);
- }
+ char lnk[MAXPATHLEN];
+ int l;
+ extern int safe_symlinks;
+
+ if (safe_symlinks && unsafe_symlink(file->link, fname)) {
+ if (verbose) {
+ rprintf(FINFO,"ignoring unsafe symlink %s -> %s\n",
+ fname,file->link);
+ }
+ return;
+ }
+ if (statret == 0) {
+ l = readlink(fname,lnk,MAXPATHLEN-1);
+ if (l > 0) {
+ lnk[l] = 0;
+ if (strcmp(lnk,file->link) == 0) {
+ set_perms(fname,file,&st,1);
+ return;
+ }
+ }
+ }
+ delete_file(fname);
+ if (do_symlink(file->link,fname) != 0) {
+ rprintf(FERROR,"link %s -> %s : %s\n",
+ fname,file->link,strerror(errno));
+ } else {
+ set_perms(fname,file,NULL,0);
+ if (verbose) {
+ rprintf(FINFO,"%s -> %s\n",
+ fname,file->link);
+ }
+ }
#endif
- return;
- }
+ return;
+ }
#ifdef HAVE_MKNOD
- if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
- if (statret != 0 ||
- st.st_mode != file->mode ||
- st.st_rdev != file->rdev) {
- if (!dry_run) unlink(fname);
- if (verbose > 2)
- fprintf(FERROR,"mknod(%s,0%o,0x%x)\n",
- fname,(int)file->mode,(int)file->rdev);
- if (!dry_run &&
- mknod(fname,file->mode,file->rdev) != 0) {
- fprintf(FERROR,"mknod %s : %s\n",fname,strerror(errno));
- } else {
- set_perms(fname,file,NULL,0);
- if (verbose)
- fprintf(FINFO,"%s\n",fname);
- }
- } else {
- set_perms(fname,file,&st,1);
- }
- return;
- }
+ if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
+ if (statret != 0 ||
+ st.st_mode != file->mode ||
+ st.st_rdev != file->rdev) {
+ delete_file(fname);
+ if (verbose > 2)
+ rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
+ fname,(int)file->mode,(int)file->rdev);
+ if (do_mknod(fname,file->mode,file->rdev) != 0) {
+ rprintf(FERROR,"mknod %s : %s\n",fname,strerror(errno));
+ } else {
+ set_perms(fname,file,NULL,0);
+ if (verbose)
+ rprintf(FINFO,"%s\n",fname);
+ }
+ } else {
+ set_perms(fname,file,&st,1);
+ }
+ return;
+ }
#endif
- if (preserve_hard_links && check_hard_link(file)) {
- if (verbose > 1)
- fprintf(FINFO,"%s is a hard link\n",file->name);
- return;
- }
-
- if (!S_ISREG(file->mode)) {
- fprintf(FERROR,"skipping non-regular file %s\n",fname);
- return;
- }
-
- if (statret == -1) {
- if (errno == ENOENT) {
- write_int(f_out,i);
- if (!dry_run) send_sums(NULL,f_out);
- } else {
- if (verbose > 1)
- fprintf(FERROR,"recv_generator failed to open %s\n",fname);
- }
- return;
- }
-
- if (!S_ISREG(st.st_mode)) {
- /* its not a regular file on the receiving end, but it is on the
- sending end. If its a directory then skip it (too dangerous to
- do a recursive deletion??) otherwise try to unlink it */
- if (S_ISDIR(st.st_mode)) {
- fprintf(FERROR,"ERROR: %s is a directory\n",fname);
- return;
- }
- if (unlink(fname) != 0) {
- fprintf(FERROR,"%s : not a regular file (generator)\n",fname);
- return;
- }
-
- /* now pretend the file didn't exist */
- write_int(f_out,i);
- if (!dry_run) send_sums(NULL,f_out);
- return;
- }
-
- if (update_only && st.st_mtime >= file->modtime) {
- if (verbose > 1)
- fprintf(FERROR,"%s is newer\n",fname);
- return;
- }
-
- if (always_checksum && S_ISREG(st.st_mode)) {
- file_checksum(fname,sum,st.st_size);
- }
-
- if (st.st_size == file->length &&
- ((!ignore_times && st.st_mtime == file->modtime) ||
- (always_checksum && S_ISREG(st.st_mode) &&
- memcmp(sum,file->sum,csum_length) == 0))) {
- set_perms(fname,file,&st,1);
- return;
- }
-
- if (dry_run) {
- write_int(f_out,i);
- return;
- }
-
- if (whole_file) {
- write_int(f_out,i);
- send_sums(NULL,f_out);
- return;
- }
-
- /* open the file */
- fd = open(fname,O_RDONLY);
-
- if (fd == -1) {
- fprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno));
- fprintf(FERROR,"skipping %s\n",fname);
- return;
- }
-
- if (st.st_size > 0) {
- buf = map_file(fd,st.st_size);
- } else {
- buf = NULL;
- }
-
- if (verbose > 3)
- fprintf(FERROR,"gen mapped %s of size %d\n",fname,(int)st.st_size);
-
- s = generate_sums(buf,st.st_size,block_size);
-
- if (verbose > 2)
- fprintf(FERROR,"sending sums for %d\n",i);
-
- write_int(f_out,i);
- send_sums(s,f_out);
- write_flush(f_out);
-
- close(fd);
- if (buf) unmap_file(buf);
-
- free_sums(s);
+ if (preserve_hard_links && check_hard_link(file)) {
+ if (verbose > 1)
+ rprintf(FINFO,"%s is a hard link\n",f_name(file));
+ return;
+ }
+
+ if (!S_ISREG(file->mode)) {
+ rprintf(FINFO,"skipping non-regular file %s\n",fname);
+ return;
+ }
+
+ if (statret == -1) {
+ if (errno == ENOENT) {
+ write_int(f_out,i);
+ if (!dry_run) send_sums(NULL,f_out);
+ } else {
+ if (verbose > 1)
+ rprintf(FERROR,"recv_generator failed to open %s\n",fname);
+ }
+ return;
+ }
+
+ if (!S_ISREG(st.st_mode)) {
+ if (delete_file(fname) != 0) {
+ return;
+ }
+
+ /* now pretend the file didn't exist */
+ write_int(f_out,i);
+ if (!dry_run) send_sums(NULL,f_out);
+ return;
+ }
+
+ if (update_only && st.st_mtime > file->modtime) {
+ if (verbose > 1)
+ rprintf(FINFO,"%s is newer\n",fname);
+ return;
+ }
+
+ if (skip_file(fname, file, &st)) {
+ set_perms(fname,file,&st,1);
+ return;
+ }
+
+ if (dry_run) {
+ write_int(f_out,i);
+ return;
+ }
+
+ if (whole_file) {
+ write_int(f_out,i);
+ send_sums(NULL,f_out);
+ return;
+ }
+
+ /* open the file */
+ fd = open(fname,O_RDONLY);
+
+ if (fd == -1) {
+ rprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno));
+ rprintf(FERROR,"skipping %s\n",fname);
+ return;
+ }
+
+ if (st.st_size > 0) {
+ buf = map_file(fd,st.st_size);
+ } else {
+ buf = NULL;
+ }
+
+ if (verbose > 3)
+ rprintf(FINFO,"gen mapped %s of size %d\n",fname,(int)st.st_size);
+
+ s = generate_sums(buf,st.st_size,adapt_block_size(file, block_size));
+
+ if (verbose > 2)
+ rprintf(FINFO,"sending sums for %d\n",i);
+
+ write_int(f_out,i);
+ send_sums(s,f_out);
+
+ close(fd);
+ if (buf) unmap_file(buf);
+
+ free_sums(s);
}
-static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname)
+static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname,
+ OFF_T total_size)
{
- int i,n,remainder,len,count;
- off_t offset = 0;
- off_t offset2;
- char *data;
- static char file_sum1[MD4_SUM_LENGTH];
- static char file_sum2[MD4_SUM_LENGTH];
- char *map=NULL;
+ int i,n,remainder,len,count;
+ OFF_T offset = 0;
+ OFF_T offset2;
+ char *data;
+ static char file_sum1[MD4_SUM_LENGTH];
+ static char file_sum2[MD4_SUM_LENGTH];
+ char *map=NULL;
+
+ count = read_int(f_in);
+ n = read_int(f_in);
+ remainder = read_int(f_in);
+
+ sum_init();
+
+ for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) {
+
+ show_progress(offset, total_size);
+
+ if (i > 0) {
+ if (verbose > 3) {
+ rprintf(FINFO,"data recv %d at %d\n",
+ i,(int)offset);
+ }
+
+ stats.literal_data += i;
+ cleanup_got_literal = 1;
+
+ sum_update(data,i);
+
+ if (fd != -1 && write_file(fd,data,i) != i) {
+ rprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
+ exit_cleanup(1);
+ }
+ offset += i;
+ continue;
+ }
+
+ i = -(i+1);
+ offset2 = i*n;
+ len = n;
+ if (i == count-1 && remainder != 0)
+ len = remainder;
+
+ stats.matched_data += len;
+
+ if (verbose > 3)
+ rprintf(FINFO,"chunk[%d] of size %d at %d offset=%d\n",
+ i,len,(int)offset2,(int)offset);
+
+ map = map_ptr(buf,offset2,len);
+
+ see_token(map, len);
+ sum_update(map,len);
+
+ if (fd != -1 && write_file(fd,map,len) != len) {
+ rprintf(FERROR,"write failed on %s : %s\n",
+ fname,strerror(errno));
+ exit_cleanup(1);
+ }
+ offset += len;
+ }
- count = read_int(f_in);
- n = read_int(f_in);
- remainder = read_int(f_in);
+ end_progress();
- sum_init();
+ if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
+ rprintf(FERROR,"write failed on %s : %s\n",
+ fname,strerror(errno));
+ exit_cleanup(1);
+ }
- for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) {
- if (i > 0) {
- if (verbose > 3)
- fprintf(FERROR,"data recv %d at %d\n",i,(int)offset);
+ sum_end(file_sum1);
+
+ if (remote_version >= 14) {
+ read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
+ if (verbose > 2) {
+ rprintf(FINFO,"got file_sum\n");
+ }
+ if (fd != -1 &&
+ memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) {
+ return 0;
+ }
+ }
+ return 1;
+}
- sum_update(data,i);
- if (fd != -1 && write_sparse(fd,data,i) != i) {
- fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
- exit_cleanup(1);
- }
- offset += i;
- } else {
- i = -(i+1);
- offset2 = i*n;
- len = n;
- if (i == count-1 && remainder != 0)
- len = remainder;
-
- if (verbose > 3)
- fprintf(FERROR,"chunk[%d] of size %d at %d offset=%d\n",
- i,len,(int)offset2,(int)offset);
-
- map = map_ptr(buf,offset2,len);
-
- see_token(map, len);
- sum_update(map,len);
-
- if (fd != -1 && write_sparse(fd,map,len) != len) {
- fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
- exit_cleanup(1);
- }
- offset += len;
- }
- }
-
- if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
- fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
- exit_cleanup(1);
- }
-
- sum_end(file_sum1);
-
- if (remote_version >= 14) {
- read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
- if (verbose > 2)
- fprintf(FERROR,"got file_sum\n");
- if (fd != -1 && memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0)
- return 0;
- }
- return 1;
+static void delete_one(struct file_struct *f)
+{
+ if (!S_ISDIR(f->mode)) {
+ if (do_unlink(f_name(f)) != 0) {
+ rprintf(FERROR,"unlink %s : %s\n",f_name(f),strerror(errno));
+ } else if (verbose) {
+ rprintf(FINFO,"deleting %s\n",f_name(f));
+ }
+ } else {
+ if (do_rmdir(f_name(f)) != 0) {
+ if (errno != ENOTEMPTY && errno != EEXIST)
+ rprintf(FERROR,"rmdir %s : %s\n",f_name(f),strerror(errno));
+ } else if (verbose) {
+ rprintf(FINFO,"deleting directory %s\n",f_name(f));
+ }
+ }
}
-static void delete_one(struct file_struct *f)
+
+static struct delete_list {
+ dev_t dev;
+ INO_T inode;
+} *delete_list;
+static int dlist_len, dlist_alloc_len;
+
+static void add_delete_entry(struct file_struct *file)
{
- if (!S_ISDIR(f->mode)) {
- if (!dry_run && unlink(f->name) != 0) {
- fprintf(FERROR,"unlink %s : %s\n",f->name,strerror(errno));
- } else if (verbose) {
- fprintf(FERROR,"deleting %s\n",f->name);
- }
- } else {
- if (!dry_run && rmdir(f->name) != 0) {
- if (errno != ENOTEMPTY)
- fprintf(FERROR,"rmdir %s : %s\n",f->name,strerror(errno));
- } else if (verbose) {
- fprintf(FERROR,"deleting directory %s\n",f->name);
- }
- }
+ if (dlist_len == dlist_alloc_len) {
+ dlist_alloc_len += 1024;
+ delete_list = (struct delete_list *)Realloc(delete_list, sizeof(delete_list[0])*dlist_alloc_len);
+ if (!delete_list) out_of_memory("add_delete_entry");
+ }
+
+ delete_list[dlist_len].dev = file->dev;
+ delete_list[dlist_len].inode = file->inode;
+ dlist_len++;
+
+ if (verbose > 3)
+ rprintf(FINFO,"added %s to delete list\n", f_name(file));
+}
+
+/* yuck! This function wouldn't have been necessary if I had the sorting
+ algorithm right. Unfortunately fixing the sorting algorithm would introduce
+ a backward incompatibility as file list indexes are sent over the link.
+*/
+static int delete_already_done(struct file_list *flist,int j)
+{
+ int i;
+ STRUCT_STAT st;
+
+ if (link_stat(f_name(flist->files[j]), &st)) return 1;
+
+ for (i=0;i<dlist_len;i++) {
+ if (st.st_ino == delete_list[i].inode &&
+ st.st_dev == delete_list[i].dev)
+ return 1;
+ }
+
+ return 0;
}
to match more closely what most people seem to expect of this option */
static void delete_files(struct file_list *flist)
{
- struct file_list *local_file_list;
- int i, j;
- char *last_name=NULL;
-
- if (cvs_exclude)
- add_cvs_excludes();
-
- for (j=0;j<flist->count;j++) {
- if (!S_ISDIR(flist->files[j].mode)) continue;
- if (strcmp(flist->files[j].name,".")==0) continue;
- if (last_name &&
- flist->files[j].name[strlen(last_name)] == '/' &&
- strncmp(flist->files[j].name,last_name, strlen(last_name))==0)
- continue;
- last_name = flist->files[j].name;
- if (!(local_file_list = send_file_list(-1,1,&last_name)))
- continue;
- if (verbose > 1)
- fprintf(FINFO,"deleting in %s\n", last_name);
-
- for (i=local_file_list->count-1;i>=0;i--) {
- if (!local_file_list->files[i].name) continue;
- if (-1 == flist_find(flist,&local_file_list->files[i])) {
- delete_one(&local_file_list->files[i]);
- }
- }
- }
-}
+ struct file_list *local_file_list;
+ int i, j;
+ char *name;
-static char *cleanup_fname = NULL;
+ if (cvs_exclude)
+ add_cvs_excludes();
-void exit_cleanup(int code)
-{
- if (cleanup_fname)
- unlink(cleanup_fname);
- signal(SIGUSR1, SIG_IGN);
- if (code) {
-#ifdef GETPGRP_VOID
- kill(-getpgrp(), SIGUSR1);
-#else
- kill(-getpgrp(getpid()), SIGUSR1);
-#endif
+ if (io_error) {
+ rprintf(FINFO,"IO error encountered - skipping file deletion\n");
+ return;
+ }
+
+ for (j=0;j<flist->count;j++) {
+ if (!S_ISDIR(flist->files[j]->mode) ||
+ !(flist->files[j]->flags & FLAG_DELETE)) continue;
+
+ if (remote_version < 19 &&
+ delete_already_done(flist, j)) continue;
+
+ name = strdup(f_name(flist->files[j]));
+
+ if (!(local_file_list = send_file_list(-1,1,&name))) {
+ free(name);
+ continue;
+ }
+
+ if (verbose > 1)
+ rprintf(FINFO,"deleting in %s\n", name);
+
+ for (i=local_file_list->count-1;i>=0;i--) {
+ if (!local_file_list->files[i]->basename) continue;
+ if (remote_version < 19 &&
+ S_ISDIR(local_file_list->files[i]->mode))
+ add_delete_entry(local_file_list->files[i]);
+ if (-1 == flist_find(flist,local_file_list->files[i])) {
+ delete_one(local_file_list->files[i]);
+ }
+ }
+ flist_free(local_file_list);
+ free(name);
}
- exit(code);
}
void sig_int(void)
{
- exit_cleanup(1);
+ exit_cleanup(1);
}
-int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen)
-{
- int fd1,fd2;
- struct stat st;
- char *fname;
- char fnametmp[MAXPATHLEN];
- struct map_struct *buf;
- int i;
- struct file_struct *file;
- int phase=0;
- int recv_ok;
-
- if (verbose > 2) {
- fprintf(FERROR,"recv_files(%d) starting\n",flist->count);
- }
-
- if (recurse && delete_mode && !local_name && flist->count>0) {
- delete_files(flist);
- }
-
- while (1)
- {
- i = read_int(f_in);
- if (i == -1) {
- if (phase==0 && remote_version >= 13) {
- phase++;
- csum_length = SUM_LENGTH;
- if (verbose > 2)
- fprintf(FERROR,"recv_files phase=%d\n",phase);
- write_int(f_gen,-1);
- write_flush(f_gen);
- continue;
- }
- break;
- }
-
- file = &flist->files[i];
- fname = file->name;
-
- if (local_name)
- fname = local_name;
-
- if (dry_run) {
- if (!am_server && verbose)
- printf("%s\n",fname);
- continue;
- }
-
- if (verbose > 2)
- fprintf(FERROR,"recv_files(%s)\n",fname);
-
- /* open the file */
- fd1 = open(fname,O_RDONLY);
-
- if (fd1 != -1 && fstat(fd1,&st) != 0) {
- fprintf(FERROR,"fstat %s : %s\n",fname,strerror(errno));
- receive_data(f_in,NULL,-1,NULL);
- close(fd1);
- continue;
- }
-
- if (fd1 != -1 && !S_ISREG(st.st_mode)) {
- fprintf(FERROR,"%s : not a regular file (recv_files)\n",fname);
- receive_data(f_in,NULL,-1,NULL);
- close(fd1);
- continue;
- }
-
- if (fd1 != -1 && st.st_size > 0) {
- buf = map_file(fd1,st.st_size);
- if (verbose > 2)
- fprintf(FERROR,"recv mapped %s of size %d\n",fname,(int)st.st_size);
- } else {
- buf = NULL;
- }
-
- /* open tmp file */
- if (strlen(fname) > (MAXPATHLEN-8)) {
- fprintf(FERROR,"filename too long\n");
- close(fd1);
- continue;
- }
- sprintf(fnametmp,"%s.XXXXXX",fname);
- if (NULL == mktemp(fnametmp)) {
- fprintf(FERROR,"mktemp %s failed\n",fnametmp);
- receive_data(f_in,buf,-1,NULL);
- if (buf) unmap_file(buf);
- close(fd1);
- continue;
- }
- fd2 = open(fnametmp,O_WRONLY|O_CREAT,file->mode);
- if (fd2 == -1 && relative_paths && errno == ENOENT &&
- create_directory_path(fnametmp) == 0) {
- fd2 = open(fnametmp,O_WRONLY|O_CREAT,file->mode);
- }
- if (fd2 == -1) {
- fprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno));
- receive_data(f_in,buf,-1,NULL);
- if (buf) unmap_file(buf);
- close(fd1);
- continue;
- }
-
- cleanup_fname = fnametmp;
- if (!am_server && verbose)
- printf("%s\n",fname);
- /* recv file data */
- recv_ok = receive_data(f_in,buf,fd2,fname);
+static int get_tmpname(char *fnametmp, char *fname)
+{
+ char *f;
+
+ /* open tmp file */
+ if (tmpdir) {
+ f = strrchr(fname,'/');
+ if (f == NULL)
+ f = fname;
+ else
+ f++;
+ if (strlen(tmpdir)+strlen(f)+10 > MAXPATHLEN) {
+ rprintf(FERROR,"filename too long\n");
+ return 0;
+ }
+ slprintf(fnametmp,MAXPATHLEN-1, "%s/.%s.XXXXXX",tmpdir,f);
+ return 1;
+ }
+
+ f = strrchr(fname,'/');
+
+ if (strlen(fname)+9 > MAXPATHLEN) {
+ rprintf(FERROR,"filename too long\n");
+ return 0;
+ }
- if (fd1 != -1) {
- if (buf) unmap_file(buf);
- close(fd1);
- }
- close(fd2);
-
- if (verbose > 2)
- fprintf(FERROR,"renaming %s to %s\n",fnametmp,fname);
-
- if (make_backups) {
- char fnamebak[MAXPATHLEN];
- if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) {
- fprintf(FERROR,"backup filename too long\n");
- continue;
- }
- sprintf(fnamebak,"%s%s",fname,backup_suffix);
- if (rename(fname,fnamebak) != 0 && errno != ENOENT) {
- fprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
- continue;
- }
- }
-
- /* move tmp file over real file */
- if (rename(fnametmp,fname) != 0) {
- fprintf(FERROR,"rename %s -> %s : %s\n",
- fnametmp,fname,strerror(errno));
- unlink(fnametmp);
- }
-
- cleanup_fname = NULL;
-
- set_perms(fname,file,NULL,0);
-
- if (!recv_ok) {
- if (verbose > 1)
- fprintf(FERROR,"redoing %s(%d)\n",fname,i);
- if (csum_length == SUM_LENGTH)
- fprintf(FERROR,"ERROR: file corruption in %s\n",fname);
- write_int(f_gen,i);
- }
- }
-
- if (preserve_hard_links)
- do_hard_links(flist);
-
- /* now we need to fix any directory permissions that were
- modified during the transfer */
- for (i = 0; i < flist->count; i++) {
- struct file_struct *file = &flist->files[i];
- if (!file->name || !S_ISDIR(file->mode)) continue;
- recv_generator(file->name,flist,i,-1);
- }
-
- if (verbose > 2)
- fprintf(FERROR,"recv_files finished\n");
-
- return 0;
+ if (f) {
+ *f = 0;
+ slprintf(fnametmp,MAXPATHLEN-1,"%s/.%s.XXXXXX",
+ fname,f+1);
+ *f = '/';
+ } else {
+ slprintf(fnametmp,MAXPATHLEN-1,".%s.XXXXXX",fname);
+ }
+
+ return 1;
}
+/* finish off a file transfer, renaming the file and setting the permissions
+ and ownership */
+static void finish_transfer(char *fname, char *fnametmp, struct file_struct *file)
+{
+ if (make_backups) {
+ char fnamebak[MAXPATHLEN];
+ if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) {
+ rprintf(FERROR,"backup filename too long\n");
+ return;
+ }
+ slprintf(fnamebak,sizeof(fnamebak)-1,"%s%s",fname,backup_suffix);
+ if (do_rename(fname,fnamebak) != 0 && errno != ENOENT) {
+ rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
+ return;
+ }
+ }
+ /* move tmp file over real file */
+ if (do_rename(fnametmp,fname) != 0) {
+ if (errno == EXDEV) {
+ /* rename failed on cross-filesystem link.
+ Copy the file instead. */
+ if (copy_file(fnametmp,fname, file->mode & ACCESSPERMS)) {
+ rprintf(FERROR,"copy %s -> %s : %s\n",
+ fnametmp,fname,strerror(errno));
+ } else {
+ set_perms(fname,file,NULL,0);
+ }
+ do_unlink(fnametmp);
+ } else {
+ rprintf(FERROR,"rename %s -> %s : %s\n",
+ fnametmp,fname,strerror(errno));
+ do_unlink(fnametmp);
+ }
+ } else {
+ set_perms(fname,file,NULL,0);
+ }
+}
-off_t send_files(struct file_list *flist,int f_out,int f_in)
-{
- int fd;
- struct sum_struct *s;
- struct map_struct *buf;
- struct stat st;
- char fname[MAXPATHLEN];
- off_t total=0;
- int i;
- struct file_struct *file;
- int phase = 0;
-
- if (verbose > 2)
- fprintf(FERROR,"send_files starting\n");
-
- setup_nonblocking(f_in,f_out);
-
- while (1)
- {
- i = read_int(f_in);
- if (i == -1) {
- if (phase==0 && remote_version >= 13) {
- phase++;
- csum_length = SUM_LENGTH;
- write_int(f_out,-1);
- write_flush(f_out);
- if (verbose > 2)
- fprintf(FERROR,"send_files phase=%d\n",phase);
- continue;
- }
- break;
- }
-
- file = &flist->files[i];
-
- fname[0] = 0;
- if (file->dir) {
- strncpy(fname,file->dir,MAXPATHLEN-1);
- fname[MAXPATHLEN-1] = 0;
- strcat(fname,"/");
- }
- strncat(fname,file->name,MAXPATHLEN-strlen(fname));
-
- if (verbose > 2)
- fprintf(FERROR,"send_files(%d,%s)\n",i,fname);
-
- if (dry_run) {
- if (!am_server && verbose)
- printf("%s\n",fname);
- write_int(f_out,i);
- continue;
- }
-
- s = receive_sums(f_in);
- if (!s) {
- fprintf(FERROR,"receive_sums failed\n");
- return -1;
- }
-
- fd = open(fname,O_RDONLY);
- if (fd == -1) {
- fprintf(FERROR,"send_files failed to open %s: %s\n",
- fname,strerror(errno));
- continue;
- }
-
- /* map the local file */
- if (fstat(fd,&st) != 0) {
- fprintf(FERROR,"fstat failed : %s\n",strerror(errno));
- close(fd);
- return -1;
- }
-
- if (st.st_size > 0) {
- buf = map_file(fd,st.st_size);
- } else {
- buf = NULL;
- }
- if (verbose > 2)
- fprintf(FERROR,"send_files mapped %s of size %d\n",
- fname,(int)st.st_size);
+int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen)
+{
+ int fd1,fd2;
+ STRUCT_STAT st;
+ char *fname;
+ char fnametmp[MAXPATHLEN];
+ struct map_struct *buf;
+ int i;
+ struct file_struct *file;
+ int phase=0;
+ int recv_ok;
+
+ if (verbose > 2) {
+ rprintf(FINFO,"recv_files(%d) starting\n",flist->count);
+ }
- write_int(f_out,i);
+ if (recurse && delete_mode && !local_name && flist->count>0) {
+ delete_files(flist);
+ }
- write_int(f_out,s->count);
- write_int(f_out,s->n);
- write_int(f_out,s->remainder);
+ while (1) {
+ cleanup_fname = NULL;
+ cleanup_got_literal = 0;
+
+ i = read_int(f_in);
+ if (i == -1) {
+ if (phase==0 && remote_version >= 13) {
+ phase++;
+ csum_length = SUM_LENGTH;
+ if (verbose > 2)
+ rprintf(FINFO,"recv_files phase=%d\n",phase);
+ write_int(f_gen,-1);
+ continue;
+ }
+ break;
+ }
+
+ if (i < 0 || i >= flist->count) {
+ rprintf(FERROR,"Invalid file index %d in recv_files (count=%d)\n",
+ i, flist->count);
+ exit_cleanup(1);
+ }
+
+ file = flist->files[i];
+ fname = f_name(file);
+
+ stats.num_transferred_files++;
+ stats.total_transferred_size += file->length;
+
+ if (local_name)
+ fname = local_name;
+
+ if (dry_run) {
+ if (!am_server && verbose)
+ rprintf(FINFO,"%s\n",fname);
+ continue;
+ }
+
+ if (verbose > 2)
+ rprintf(FINFO,"recv_files(%s)\n",fname);
+
+ /* open the file */
+ fd1 = open(fname,O_RDONLY);
+
+ if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
+ rprintf(FERROR,"fstat %s : %s\n",fname,strerror(errno));
+ receive_data(f_in,NULL,-1,NULL,file->length);
+ close(fd1);
+ continue;
+ }
+
+ if (fd1 != -1 && !S_ISREG(st.st_mode)) {
+ rprintf(FERROR,"%s : not a regular file (recv_files)\n",fname);
+ receive_data(f_in,NULL,-1,NULL,file->length);
+ close(fd1);
+ continue;
+ }
+
+ if (fd1 != -1 && st.st_size > 0) {
+ buf = map_file(fd1,st.st_size);
+ if (verbose > 2)
+ rprintf(FINFO,"recv mapped %s of size %d\n",fname,(int)st.st_size);
+ } else {
+ buf = NULL;
+ }
+
+ if (!get_tmpname(fnametmp,fname)) {
+ if (buf) unmap_file(buf);
+ if (fd1 != -1) close(fd1);
+ continue;
+ }
+
+ if (NULL == do_mktemp(fnametmp)) {
+ rprintf(FERROR,"mktemp %s failed\n",fnametmp);
+ receive_data(f_in,buf,-1,NULL,file->length);
+ if (buf) unmap_file(buf);
+ if (fd1 != -1) close(fd1);
+ continue;
+ }
+
+ /* we initially set the perms without the
+ setuid/setgid bits to ensure that there is no race
+ condition. They are then correctly updated after
+ the lchown. Thanks to snabb@epipe.fi for pointing
+ this out */
+ fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,
+ file->mode & ACCESSPERMS);
+
+ if (fd2 == -1 && relative_paths && errno == ENOENT &&
+ create_directory_path(fnametmp) == 0) {
+ fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,
+ file->mode & ACCESSPERMS);
+ }
+ if (fd2 == -1) {
+ rprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno));
+ receive_data(f_in,buf,-1,NULL,file->length);
+ if (buf) unmap_file(buf);
+ if (fd1 != -1) close(fd1);
+ continue;
+ }
+
+ cleanup_fname = fnametmp;
+ cleanup_new_fname = fname;
+ cleanup_file = file;
+
+ if (!am_server && verbose)
+ rprintf(FINFO,"%s\n",fname);
+
+ /* recv file data */
+ recv_ok = receive_data(f_in,buf,fd2,fname,file->length);
+
+ if (buf) unmap_file(buf);
+ if (fd1 != -1) {
+ close(fd1);
+ }
+ close(fd2);
+
+ if (verbose > 2)
+ rprintf(FINFO,"renaming %s to %s\n",fnametmp,fname);
+
+ finish_transfer(fname, fnametmp, file);
+
+ cleanup_fname = NULL;
+
+ if (!recv_ok) {
+ if (csum_length == SUM_LENGTH) {
+ rprintf(FERROR,"ERROR: file corruption in %s. File changed during transfer?\n",
+ fname);
+ } else {
+ if (verbose > 1)
+ rprintf(FINFO,"redoing %s(%d)\n",fname,i);
+ write_int(f_gen,i);
+ }
+ }
+ }
- if (verbose > 2)
- fprintf(FERROR,"calling match_sums %s\n",fname);
+ if (preserve_hard_links)
+ do_hard_links(flist);
- if (!am_server && verbose)
- printf("%s\n",fname);
-
- match_sums(f_out,s,buf,st.st_size);
- write_flush(f_out);
-
- if (buf) unmap_file(buf);
- close(fd);
+ /* now we need to fix any directory permissions that were
+ modified during the transfer */
+ for (i = 0; i < flist->count; i++) {
+ file = flist->files[i];
+ if (!file->basename || !S_ISDIR(file->mode)) continue;
+ recv_generator(f_name(file),flist,i,-1);
+ }
- free_sums(s);
+ if (verbose > 2)
+ rprintf(FINFO,"recv_files finished\n");
+
+ return 0;
+}
- if (verbose > 2)
- fprintf(FERROR,"sender finished %s\n",fname);
- total += st.st_size;
- }
- if (verbose > 2)
- fprintf(FERROR,"send files finished\n");
+void send_files(struct file_list *flist,int f_out,int f_in)
+{
+ int fd;
+ struct sum_struct *s;
+ struct map_struct *buf;
+ STRUCT_STAT st;
+ char fname[MAXPATHLEN];
+ int i;
+ struct file_struct *file;
+ int phase = 0;
- match_report();
+ if (verbose > 2)
+ rprintf(FINFO,"send_files starting\n");
+
+ setup_readbuffer(f_in);
+
+ while (1) {
+ int offset=0;
+
+ i = read_int(f_in);
+ if (i == -1) {
+ if (phase==0 && remote_version >= 13) {
+ phase++;
+ csum_length = SUM_LENGTH;
+ write_int(f_out,-1);
+ if (verbose > 2)
+ rprintf(FINFO,"send_files phase=%d\n",phase);
+ continue;
+ }
+ break;
+ }
+
+ if (i < 0 || i >= flist->count) {
+ rprintf(FERROR,"Invalid file index %d (count=%d)\n",
+ i, flist->count);
+ exit_cleanup(1);
+ }
+
+ file = flist->files[i];
+
+ stats.num_transferred_files++;
+ stats.total_transferred_size += file->length;
+
+ fname[0] = 0;
+ if (file->basedir) {
+ strlcpy(fname,file->basedir,MAXPATHLEN-1);
+ if (strlen(fname) == MAXPATHLEN-1) {
+ io_error = 1;
+ rprintf(FERROR, "send_files failed on long-named directory %s\n",
+ fname);
+ return;
+ }
+ strlcat(fname,"/",MAXPATHLEN-1);
+ offset = strlen(file->basedir)+1;
+ }
+ strlcat(fname,f_name(file),MAXPATHLEN-strlen(fname));
+
+ if (verbose > 2)
+ rprintf(FINFO,"send_files(%d,%s)\n",i,fname);
+
+ if (dry_run) {
+ if (!am_server && verbose)
+ rprintf(FINFO,"%s\n",fname);
+ write_int(f_out,i);
+ continue;
+ }
+
+ s = receive_sums(f_in);
+ if (!s) {
+ io_error = 1;
+ rprintf(FERROR,"receive_sums failed\n");
+ return;
+ }
+
+ fd = open(fname,O_RDONLY);
+ if (fd == -1) {
+ io_error = 1;
+ rprintf(FERROR,"send_files failed to open %s: %s\n",
+ fname,strerror(errno));
+ free_sums(s);
+ continue;
+ }
+
+ /* map the local file */
+ if (do_fstat(fd,&st) != 0) {
+ io_error = 1;
+ rprintf(FERROR,"fstat failed : %s\n",strerror(errno));
+ free_sums(s);
+ close(fd);
+ return;
+ }
+
+ if (st.st_size > 0) {
+ buf = map_file(fd,st.st_size);
+ } else {
+ buf = NULL;
+ }
+
+ if (verbose > 2)
+ rprintf(FINFO,"send_files mapped %s of size %d\n",
+ fname,(int)st.st_size);
+
+ write_int(f_out,i);
+
+ write_int(f_out,s->count);
+ write_int(f_out,s->n);
+ write_int(f_out,s->remainder);
+
+ if (verbose > 2)
+ rprintf(FINFO,"calling match_sums %s\n",fname);
+
+ if (!am_server && verbose)
+ rprintf(FINFO,"%s\n",fname+offset);
+
+ match_sums(f_out,s,buf,st.st_size);
+
+ if (buf) unmap_file(buf);
+ close(fd);
+
+ free_sums(s);
+
+ if (verbose > 2)
+ rprintf(FINFO,"sender finished %s\n",fname);
+ }
+
+ if (verbose > 2)
+ rprintf(FINFO,"send files finished\n");
- write_int(f_out,-1);
- write_flush(f_out);
+ match_report();
- return total;
+ write_int(f_out,-1);
}
void generate_files(int f,struct file_list *flist,char *local_name,int f_recv)
{
- int i;
- int phase=0;
+ int i;
+ int phase=0;
- if (verbose > 2)
- fprintf(FERROR,"generator starting pid=%d count=%d\n",
- (int)getpid(),flist->count);
-
- for (i = 0; i < flist->count; i++) {
- struct file_struct *file = &flist->files[i];
- mode_t saved_mode = file->mode;
- if (!file->name) continue;
+ if (verbose > 2)
+ rprintf(FINFO,"generator starting pid=%d count=%d\n",
+ (int)getpid(),flist->count);
- /* we need to ensure that any directories we create have writeable
- permissions initially so that we can create the files within
- them. This is then fixed after the files are transferred */
- if (!am_root && S_ISDIR(file->mode)) {
- file->mode |= S_IWUSR; /* user write */
- }
+ for (i = 0; i < flist->count; i++) {
+ struct file_struct *file = flist->files[i];
+ mode_t saved_mode = file->mode;
+ if (!file->basename) continue;
- recv_generator(local_name?local_name:file->name,
- flist,i,f);
+ /* we need to ensure that any directories we create have writeable
+ permissions initially so that we can create the files within
+ them. This is then fixed after the files are transferred */
+ if (!am_root && S_ISDIR(file->mode)) {
+ file->mode |= S_IWUSR; /* user write */
+ }
- file->mode = saved_mode;
- }
+ recv_generator(local_name?local_name:f_name(file),
+ flist,i,f);
- phase++;
- csum_length = SUM_LENGTH;
- ignore_times=1;
+ file->mode = saved_mode;
+ }
- if (verbose > 2)
- fprintf(FERROR,"generate_files phase=%d\n",phase);
+ phase++;
+ csum_length = SUM_LENGTH;
+ ignore_times=1;
- write_int(f,-1);
- write_flush(f);
+ if (verbose > 2)
+ rprintf(FINFO,"generate_files phase=%d\n",phase);
- if (remote_version >= 13) {
- /* in newer versions of the protocol the files can cycle through
- the system more than once to catch initial checksum errors */
- for (i=read_int(f_recv); i != -1; i=read_int(f_recv)) {
- struct file_struct *file = &flist->files[i];
- recv_generator(local_name?local_name:file->name,
- flist,i,f);
- }
+ write_int(f,-1);
- phase++;
- if (verbose > 2)
- fprintf(FERROR,"generate_files phase=%d\n",phase);
+ /* we expect to just sit around now, so don't exit on a
+ timeout. If we really get a timeout then the other process should
+ exit */
+ io_timeout = 0;
- write_int(f,-1);
- write_flush(f);
- }
+ if (remote_version >= 13) {
+ /* in newer versions of the protocol the files can cycle through
+ the system more than once to catch initial checksum errors */
+ for (i=read_int(f_recv); i != -1; i=read_int(f_recv)) {
+ struct file_struct *file = flist->files[i];
+ recv_generator(local_name?local_name:f_name(file),
+ flist,i,f);
+ }
+ phase++;
+ if (verbose > 2)
+ rprintf(FINFO,"generate_files phase=%d\n",phase);
- if (verbose > 2)
- fprintf(FERROR,"generator wrote %d\n",write_total());
+ write_int(f,-1);
+ }
}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff