Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include "rsync.h"
+/* this file contains code used by more than one part of the rsync
+ process */
-extern int csum_length;
+#include "rsync.h"
extern int verbose;
-extern int am_server;
-extern int always_checksum;
-extern time_t starttime;
-
-extern char *backup_suffix;
-
-extern int block_size;
-extern int update_only;
-extern int make_backups;
-extern int preserve_links;
-extern int preserve_hard_links;
-extern int preserve_perms;
-extern int preserve_devices;
+extern int dry_run;
+extern int preserve_times;
+extern int am_root;
extern int preserve_uid;
extern int preserve_gid;
-extern int preserve_times;
-extern int dry_run;
-extern int ignore_times;
-extern int recurse;
-extern int delete_mode;
-extern int cvs_exclude;
-
-/*
- free a sums struct
- */
-static void free_sums(struct sum_struct *s)
-{
- if (s->sums) free(s->sums);
- free(s);
-}
-
-
-
-/*
- send a sums struct down a fd
- */
-static void send_sums(struct sum_struct *s,int f_out)
-{
- 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);
-}
+extern int preserve_perms;
+extern int make_backups;
+extern char *backup_suffix;
/*
- generate a stream of signatures/checksums that describe a buffer
-
- generate approximately one checksum every n bytes
+ free a sums struct
*/
-static struct sum_struct *generate_sums(char *buf,off_t len,int n)
+void free_sums(struct sum_struct *s)
{
- 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");
-
- 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].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);
-
- len -= n1;
- offset += n1;
- }
-
- return s;
+ if (s->sums) free(s->sums);
+ free(s);
}
/*
- receive the checksums for a buffer
- */
-static struct sum_struct *receive_sums(int f)
+ * delete a file or directory. If force_delet is set then delete
+ * recursively
+ */
+int delete_file(char *fname)
{
- struct sum_struct *s;
- int i;
- off_t offset = 0;
- int block_len;
-
- 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;
-
- if (verbose > 3)
- fprintf(FERROR,"count=%d n=%d rem=%d\n",
- s->count,s->n,s->remainder);
-
- block_len = s->n;
+ DIR *d;
+ struct dirent *di;
+ char buf[MAXPATHLEN];
+ extern int force_delete;
+ STRUCT_STAT st;
+ int ret;
+ extern int recurse;
- if (s->count == 0)
- return(s);
+ if (robust_unlink(fname) == 0 || errno == ENOENT) return 0;
- 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);
+#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;
+ }
- s->sums[i].offset = offset;
- s->sums[i].i = i;
+ if (!S_ISDIR(st.st_mode)) {
+ rprintf(FERROR,"unlink(%s) : %s\n", fname, strerror(errno));
+ return -1;
+ }
- 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 (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;
+ }
- 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);
- }
+ /* 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;
+ }
- s->flength = offset;
+ 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), "%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 s;
+ return 0;
}
-
-static void set_perms(char *fname,struct file_struct *file,struct stat *st,
- int report)
+static int is_in_group(gid_t gid)
{
- int updated = 0;
- struct stat st2;
-
- if (dry_run) return;
-
- if (!st) {
- if (stat(fname,&st2) != 0) {
- fprintf(FERROR,"stat %s : %s\n",fname,strerror(errno));
- return;
- }
- 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;
- }
- }
-
-#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;
- }
- }
-#endif
-
- if ((preserve_uid && st->st_uid != file->uid) ||
- (preserve_gid && st->st_gid != file->gid)) {
- updated = 1;
- if (chown(fname,
- 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;
- }
- }
-
- if (verbose > 1 && report) {
- if (updated)
- fprintf(FINFO,"%s\n",fname);
- else
- fprintf(FINFO,"%s is uptodate\n",fname);
- }
-}
-
-
-void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
-{
- int fd;
- struct stat st;
- char *buf;
- struct sum_struct *s;
- char sum[SUM_LENGTH];
- int statret;
- struct file_struct *file = &flist->files[i];
-
- if (verbose > 2)
- fprintf(FERROR,"recv_generator(%s)\n",fname);
-
- statret = lstat(fname,&st);
+#ifdef GETGROUPS_T
+ static gid_t last_in = (gid_t) -2, last_out;
+ static int ngroups = -2;
+ static GETGROUPS_T *gidset;
+ int n;
+
+ if (gid == last_in)
+ return last_out;
+ if (ngroups < -1) {
+ /* treat failure (-1) as if not member of any group */
+ ngroups = getgroups(0, 0);
+ if (ngroups > 0) {
+ gidset = (GETGROUPS_T *) malloc(ngroups * sizeof(GETGROUPS_T));
+ ngroups = getgroups(ngroups, gidset);
+ }
+ }
-#if SUPPORT_LINKS
- if (preserve_links && S_ISLNK(file->mode)) {
- 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;
+ last_in = gid;
+ last_out = 0;
+ for (n = 0; n < ngroups; n++) {
+ if (gidset[n] == gid) {
+ last_out = 1;
+ break;
+ }
}
- }
- }
- 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);
- }
- return;
- }
-#endif
+ return last_out;
-#ifdef HAVE_MKNOD
- if (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;
- }
+#else
+ return 0;
#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)) {
- fprintf(FERROR,"%s : not a regular file\n",fname);
- 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;
- }
-
- /* open the file */
- fd = open(fname,O_RDONLY);
-
- if (fd == -1) {
- fprintf(FERROR,"failed to open %s : %s\n",fname,strerror(errno));
- return;
- }
-
- if (st.st_size > 0) {
- buf = map_file(fd,st.st_size);
- } else {
- buf = NULL;
- }
-
- if (verbose > 3)
- fprintf(FERROR,"mapped %s of size %d\n",fname,(int)st.st_size);
-
- s = generate_sums(buf,st.st_size,block_size);
-
- write_int(f_out,i);
- send_sums(s,f_out);
- write_flush(f_out);
-
- close(fd);
- unmap_file(buf,st.st_size);
-
- free_sums(s);
}
-
-
-static void receive_data(int f_in,char *buf,int fd,char *fname)
+int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
+ int report)
{
- int i,n,remainder,len,count;
- off_t offset = 0;
- off_t offset2;
- char *data;
-
- count = read_int(f_in);
- n = read_int(f_in);
- remainder = read_int(f_in);
-
- 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);
-
- if (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);
-
- if (write_sparse(fd,map_ptr(buf,offset2,len),len) != len) {
- fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
- exit_cleanup(1);
- }
- offset += len;
- }
- }
-
- if (offset > 0 && sparse_end(fd) != 0) {
- fprintf(FERROR,"write failed on %s : %s\n",fname,strerror(errno));
- exit_cleanup(1);
- }
-}
-
+ int updated = 0;
+ STRUCT_STAT st2;
+ int change_uid, change_gid;
+ 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;
+ }
-static void delete_one(struct file_struct *f)
-{
- 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 (preserve_times && !S_ISLNK(st->st_mode) &&
+ st->st_mtime != file->modtime) {
+ /* don't complain about not setting times on directories
+ because some filesystems can't do it */
+ if (set_modtime(fname,file->modtime) != 0 &&
+ !S_ISDIR(st->st_mode)) {
+ rprintf(FERROR,"failed to set times on %s : %s\n",
+ fname,strerror(errno));
+ return 0;
+ } else {
+ updated = 1;
+ }
+ }
+ change_uid = am_root && preserve_uid && st->st_uid != file->uid;
+ change_gid = !am_daemon && preserve_gid && file->gid != (gid_t) -1 && \
+ st->st_gid != file->gid;
+ if (change_gid && !am_root) {
+ /* enforce bsd-style group semantics: non-root can only
+ change to groups that the user is a member of */
+ change_gid = is_in_group(file->gid);
+ }
+ if (change_uid || change_gid) {
+ if (do_lchown(fname,
+ change_uid?file->uid:st->st_uid,
+ change_gid?file->gid:st->st_gid) != 0) {
+ /* shouldn't have attempted to change uid or gid
+ unless have the privilege */
+ rprintf(FERROR,"chown %s : %s\n", fname,strerror(errno));
+ return 0;
+ }
+ updated = 1;
+ }
-static void delete_files(struct file_list *flist)
-{
- struct file_list *local_file_list;
- char *dot=".";
- int i;
-
- if (cvs_exclude)
- add_cvs_excludes();
-
- if (!(local_file_list = send_file_list(-1,recurse,1,&dot)))
- return;
-
- for (i=local_file_list->count;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]);
- }
- }
+#ifdef HAVE_CHMOD
+ if (!S_ISLNK(st->st_mode)) {
+ int file_mode;
+ if (preserve_perms)
+ file_mode = file->mode;
+ else
+ file_mode = file->mode & ACCESSPERMS;
+ if (st->st_mode != file->mode) {
+ 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 (verbose > 1 && report) {
+ if (updated)
+ rprintf(FINFO,"%s\n",fname);
+ else
+ rprintf(FINFO,"%s is uptodate\n",fname);
+ }
+ return updated;
}
-static char *cleanup_fname = NULL;
-
-void exit_cleanup(int code)
-{
- if (cleanup_fname)
- unlink(cleanup_fname);
- exit(code);
-}
void sig_int(void)
{
- exit_cleanup(1);
+ exit_cleanup(RERR_SIGNAL);
}
-
-int recv_files(int f_in,struct file_list *flist,char *local_name)
-{
- int fd1,fd2;
- struct stat st;
- char *fname;
- char fnametmp[MAXPATHLEN];
- char *buf;
- int i;
- struct file_struct *file;
-
- 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) 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));
- close(fd1);
- return -1;
- }
-
- if (fd1 != -1 && !S_ISREG(st.st_mode)) {
- fprintf(FERROR,"%s : not a regular file\n",fname);
- close(fd1);
- return -1;
- }
-
- if (fd1 != -1 && st.st_size > 0) {
- buf = map_file(fd1,st.st_size);
- } else {
- buf = NULL;
- }
-
- if (verbose > 2)
- fprintf(FERROR,"mapped %s of size %d\n",fname,(int)st.st_size);
-
- /* open tmp file */
- sprintf(fnametmp,"%s.XXXXXX",fname);
- if (NULL == mktemp(fnametmp)) {
- fprintf(FERROR,"mktemp %s failed\n",fnametmp);
- return -1;
- }
- fd2 = open(fnametmp,O_WRONLY|O_CREAT,file->mode);
- if (fd2 == -1) {
- fprintf(FERROR,"open %s : %s\n",fnametmp,strerror(errno));
- return -1;
- }
-
- cleanup_fname = fnametmp;
-
- if (!am_server && verbose)
- printf("%s\n",fname);
-
- /* recv file data */
- receive_data(f_in,buf,fd2,fname);
-
- if (fd1 != -1) {
- unmap_file(buf,st.st_size);
- close(fd1);
- }
- close(fd2);
-
- if (verbose > 2)
- fprintf(FERROR,"renaming %s to %s\n",fnametmp,fname);
-
- if (make_backups) {
+int make_backup(char *fname)
+{
char fnamebak[MAXPATHLEN];
- 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));
- exit_cleanup(1);
+ if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) {
+ rprintf(FERROR,"backup filename too long\n");
+ return 0;
}
- }
- /* move tmp file over real file */
- if (rename(fnametmp,fname) != 0) {
- fprintf(FERROR,"rename %s -> %s : %s\n",
- fnametmp,fname,strerror(errno));
- }
-
- cleanup_fname = NULL;
-
- set_perms(fname,file,NULL,0);
- }
-
- if (verbose > 2)
- fprintf(FERROR,"recv_files finished\n");
-
- return 0;
-}
-
-
-
-off_t send_files(struct file_list *flist,int f_out,int f_in)
-{
- int fd;
- struct sum_struct *s;
- char *buf;
- struct stat st;
- char fname[MAXPATHLEN];
- off_t total=0;
- int i;
- struct file_struct *file;
-
- 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) break;
-
- file = &flist->files[i];
-
- fname[0] = 0;
- if (file->dir) {
- strcpy(fname,file->dir);
- strcat(fname,"/");
- }
- strcat(fname,file->name);
-
- 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));
- 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);
-
- 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)
- fprintf(FERROR,"calling match_sums %s\n",fname);
-
- if (!am_server && verbose)
- printf("%s\n",fname);
-
- match_sums(f_out,s,buf,st.st_size);
- write_flush(f_out);
-
- unmap_file(buf,st.st_size);
- close(fd);
-
- free_sums(s);
-
- if (verbose > 2)
- fprintf(FERROR,"sender finished %s\n",fname);
-
- total += st.st_size;
- }
-
- if (verbose > 2)
- fprintf(FERROR,"send files finished\n");
-
- match_report();
-
- write_int(f_out,-1);
- write_flush(f_out);
-
- return total;
+ slprintf(fnamebak,sizeof(fnamebak),"%s%s",fname,backup_suffix);
+ if (do_rename(fname,fnamebak) != 0) {
+ /* cygwin (at least version b19) reports EINVAL */
+ if (errno != ENOENT && errno != EINVAL) {
+ rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
+ return 0;
+ }
+ } else if (verbose > 1) {
+ rprintf(FINFO,"backed up %s to %s\n",fname,fnamebak);
+ }
+ return 1;
}
-
-void generate_files(int f,struct file_list *flist,char *local_name)
+/* finish off a file transfer, renaming the file and setting the permissions
+ and ownership */
+void finish_transfer(char *fname, char *fnametmp, struct file_struct *file)
{
- int i;
-
- 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];
- if (!file->name) continue;
- if (S_ISDIR(file->mode)) {
- if (dry_run) continue;
- if (mkdir(file->name,file->mode) != 0 &&
- errno != EEXIST) {
- fprintf(FERROR,"mkdir %s : %s\n",
- file->name,strerror(errno));
- }
- continue;
- }
- recv_generator(local_name?local_name:file->name,
- flist,i,f);
- }
- write_int(f,-1);
- write_flush(f);
- if (verbose > 2)
- fprintf(FERROR,"generator wrote %d\n",write_total());
+ if (make_backups && !make_backup(fname))
+ return;
+
+ /* move tmp file over real file */
+ if (robust_rename(fnametmp,fname) != 0) {
+ if (errno == EXDEV) {
+ /* rename failed on cross-filesystem link.
+ Copy the file instead. */
+ if (copy_file(fnametmp,fname, file->mode & INITACCESSPERMS)) {
+ rprintf(FERROR,"copy %s -> %s : %s\n",
+ fnametmp,fname,strerror(errno));
+ } else {
+ set_perms(fname,file,NULL,0);
+ }
+ } else {
+ rprintf(FERROR,"rename %s -> %s : %s\n",
+ fnametmp,fname,strerror(errno));
+ }
+ do_unlink(fnametmp);
+ } else {
+ set_perms(fname,file,NULL,0);
+ }
}
+
git.samba.org / rsync.git / blobdiff