/** @file flist.c
* Generate and receive file lists
*
- * @todo Get rid of the string_area optimization. Efficiently
- * allocating blocks is the responsibility of the system's malloc
- * library, not of rsync.
- *
* @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html
*
**/
extern int verbose;
extern int do_progress;
+extern int am_root;
extern int am_server;
+extern int am_daemon;
extern int always_checksum;
extern int module_id;
extern int ignore_errors;
+extern int numeric_ids;
extern int cvs_exclude;
extern int filesfrom_fd;
extern int one_file_system;
-extern int make_backups;
+extern int keep_dirlinks;
extern int preserve_links;
extern int preserve_hard_links;
extern int preserve_perms;
extern int preserve_devices;
extern int preserve_uid;
extern int preserve_gid;
-extern int preserve_times;
extern int relative_paths;
extern int implied_dirs;
extern int copy_links;
extern int copy_unsafe_links;
extern int protocol_version;
extern int sanitize_paths;
+extern int delete_excluded;
+extern int orig_umask;
+extern int list_only;
-extern int read_batch;
-extern int write_batch;
-
-extern struct exclude_struct **exclude_list;
-extern struct exclude_struct **server_exclude_list;
-extern struct exclude_struct **local_exclude_list;
+extern struct exclude_list_struct exclude_list;
+extern struct exclude_list_struct server_exclude_list;
+extern struct exclude_list_struct local_exclude_list;
int io_error;
-static struct file_struct null_file;
static char empty_sum[MD4_SUM_LENGTH];
+static unsigned int file_struct_len;
static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
+static void output_flist(struct file_list *flist);
+
+void init_flist(void)
+{
+ struct file_struct f;
+
+ /* Figure out how big the file_struct is without trailing padding */
+ file_struct_len = offsetof(struct file_struct, flags) + sizeof f.flags;
+}
static int show_filelist_p(void)
static void start_filelist_progress(char *kind)
{
rprintf(FINFO, "%s ... ", kind);
- if ((verbose > 1) || do_progress)
+ if (verbose > 1 || do_progress)
rprintf(FINFO, "\n");
rflush(FINFO);
}
static void maybe_emit_filelist_progress(const struct file_list *flist)
{
- if (do_progress && show_filelist_p() && ((flist->count % 100) == 0))
+ if (do_progress && show_filelist_p() && (flist->count % 100) == 0)
emit_filelist_progress(flist);
}
}
-static struct string_area *string_area_new(int size)
-{
- struct string_area *a;
-
- if (size <= 0)
- size = ARENA_SIZE;
- a = new(struct string_area);
- if (!a)
- out_of_memory("string_area_new");
- a->current = a->base = new_array(char, size);
- if (!a->current)
- out_of_memory("string_area_new buffer");
- a->end = a->base + size;
- a->next = NULL;
-
- return a;
-}
-
-static void string_area_free(struct string_area *a)
-{
- struct string_area *next;
-
- for (; a; a = next) {
- next = a->next;
- free(a->base);
- }
-}
-
-static char *string_area_malloc(struct string_area **ap, int size)
-{
- char *p;
- struct string_area *a;
-
- /* does the request fit into the current space? */
- a = *ap;
- if (a->current + size >= a->end) {
- /* no; get space, move new string_area to front of the list */
- a = string_area_new(size > ARENA_SIZE ? size : ARENA_SIZE);
- a->next = *ap;
- *ap = a;
- }
-
- /* have space; do the "allocation." */
- p = a->current;
- a->current += size;
- return p;
-}
-
-static char *string_area_strdup(struct string_area **ap, const char *src)
-{
- char *dest = string_area_malloc(ap, strlen(src) + 1);
- return strcpy(dest, src);
-}
-
static void list_file_entry(struct file_struct *f)
{
char perms[11];
- if (!f->basename)
+ if (!f->basename) {
/* this can happen if duplicate names were removed */
return;
+ }
permstring(perms, f->mode);
+#if SUPPORT_LINKS
if (preserve_links && S_ISLNK(f->mode)) {
rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
perms,
- (double) f->length, timestring(f->modtime),
+ (double)f->length, timestring(f->modtime),
f_name(f), f->u.link);
- } else {
+ } else
+#endif
+ {
rprintf(FINFO, "%s %11.0f %s %s\n",
perms,
- (double) f->length, timestring(f->modtime),
+ (double)f->length, timestring(f->modtime),
f_name(f));
}
}
#if SUPPORT_LINKS
if (copy_links)
return do_stat(path, buffer);
- if (do_lstat(path, buffer) == -1)
+ if (link_stat(path, buffer, keep_dirlinks) < 0)
return -1;
if (S_ISLNK(buffer->st_mode)) {
- int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1);
+ int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1);
if (l == -1)
return -1;
linkbuf[l] = 0;
#endif
}
-int link_stat(const char *path, STRUCT_STAT * buffer)
+int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks)
{
#if SUPPORT_LINKS
if (copy_links)
return do_stat(path, buffer);
- return do_lstat(path, buffer);
+ if (do_lstat(path, buffer) < 0)
+ return -1;
+ if (follow_dirlinks && S_ISLNK(buffer->st_mode)) {
+ STRUCT_STAT st;
+ if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
+ *buffer = st;
+ }
+ return 0;
#else
return do_stat(path, buffer);
#endif
*/
static int check_exclude_file(char *fname, int is_dir, int exclude_level)
{
+ int rc;
+
#if 0 /* This currently never happens, so avoid a useless compare. */
if (exclude_level == NO_EXCLUDES)
return 0;
return 0;
}
}
- if (server_exclude_list
- && check_exclude(server_exclude_list, fname, is_dir))
+ if (server_exclude_list.head
+ && check_exclude(&server_exclude_list, fname, is_dir) < 0)
return 1;
if (exclude_level != ALL_EXCLUDES)
return 0;
- if (exclude_list && check_exclude(exclude_list, fname, is_dir))
- return 1;
- if (local_exclude_list
- && check_exclude(local_exclude_list, fname, is_dir))
+ if (exclude_list.head
+ && (rc = check_exclude(&exclude_list, fname, is_dir)) != 0)
+ return rc < 0;
+ if (local_exclude_list.head
+ && check_exclude(&local_exclude_list, fname, is_dir) < 0)
return 1;
return 0;
}
static void set_filesystem(char *fname)
{
STRUCT_STAT st;
- if (link_stat(fname, &st) != 0)
+ if (do_stat(fname, &st) != 0)
return;
filesystem_dev = st.st_dev;
}
static int to_wire_mode(mode_t mode)
{
+#if SUPPORT_LINKS
if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
return (mode & ~(_S_IFMT)) | 0120000;
- return (int) mode;
+#endif
+ return (int)mode;
}
static mode_t from_wire_mode(int mode)
{
if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
return (mode & ~(_S_IFMT)) | _S_IFLNK;
- return (mode_t) mode;
+ return (mode_t)mode;
}
* Make sure @p flist is big enough to hold at least @p flist->count
* entries.
**/
-static void flist_expand(struct file_list *flist)
+void flist_expand(struct file_list *flist)
{
- if (flist->count >= flist->malloced) {
- void *new_ptr;
+ struct file_struct **new_ptr;
- if (flist->malloced < 1000)
- flist->malloced += 1000;
- else
- flist->malloced *= 2;
-
- if (flist->files) {
- new_ptr = realloc_array(flist->files,
- struct file_struct *,
- flist->malloced);
- } else {
- new_ptr = new_array(struct file_struct *,
- flist->malloced);
- }
+ if (flist->count < flist->malloced)
+ return;
- if (verbose >= 2) {
- rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n",
- who_am_i(),
- (double)sizeof(flist->files[0])
- * flist->malloced,
- (new_ptr == flist->files) ? " not" : "");
- }
+ if (flist->malloced < FLIST_START)
+ flist->malloced = FLIST_START;
+ else if (flist->malloced >= FLIST_LINEAR)
+ flist->malloced += FLIST_LINEAR;
+ else
+ flist->malloced *= 2;
+
+ /*
+ * In case count jumped or we are starting the list
+ * with a known size just set it.
+ */
+ if (flist->malloced < flist->count)
+ flist->malloced = flist->count;
+
+ new_ptr = realloc_array(flist->files, struct file_struct *,
+ flist->malloced);
+
+ if (verbose >= 2) {
+ rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n",
+ who_am_i(),
+ (double)sizeof flist->files[0] * flist->malloced,
+ (new_ptr == flist->files) ? " not" : "");
+ }
- flist->files = (struct file_struct **) new_ptr;
+ flist->files = new_ptr;
- if (!flist->files)
- out_of_memory("flist_expand");
- }
+ if (!flist->files)
+ out_of_memory("flist_expand");
}
void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
unsigned short flags;
static time_t modtime;
static mode_t mode;
- static DEV64_T rdev, rdev_high;
- static DEV64_T dev;
+ static uint64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
static uid_t uid;
static gid_t gid;
static char lastname[MAXPATHLEN];
- char *fname, fbuf[MAXPATHLEN];
+ char fname[MAXPATHLEN];
int l1, l2;
if (f == -1)
if (!file) {
write_byte(f, 0);
modtime = 0, mode = 0;
- rdev = 0, rdev_high = 0, dev = 0;
+ dev = 0, rdev = makedev(0, 0);
+ rdev_major = 0;
uid = 0, gid = 0;
*lastname = '\0';
return;
io_write_phase = "send_file_entry";
- fname = f_name_to(file, fbuf);
+ f_name_to(file, fname);
flags = base_flags;
if (preserve_devices) {
if (protocol_version < 28) {
if (IS_DEVICE(mode)) {
- if (file->u.rdev == rdev) {
- /* Set both flags to simplify the test
- * when writing the data. */
- flags |= XMIT_SAME_RDEV_pre28
- | XMIT_SAME_HIGH_RDEV;
- } else
+ if (file->u.rdev == rdev)
+ flags |= XMIT_SAME_RDEV_pre28;
+ else
rdev = file->u.rdev;
} else
- rdev = 0;
+ rdev = makedev(0, 0);
} else if (IS_DEVICE(mode)) {
- if ((file->u.rdev & ~0xFF) == rdev_high)
- flags |= XMIT_SAME_HIGH_RDEV;
- else {
- rdev = file->u.rdev;
- rdev_high = rdev & ~0xFF;
- }
+ rdev = file->u.rdev;
+ if ((uint32)major(rdev) == rdev_major)
+ flags |= XMIT_SAME_RDEV_MAJOR;
+ else
+ rdev_major = major(rdev);
+ if ((uint32)minor(rdev) <= 0xFFu)
+ flags |= XMIT_RDEV_MINOR_IS_SMALL;
}
}
if (file->uid == uid)
flags |= XMIT_SAME_TIME;
else
modtime = file->modtime;
+
+#if SUPPORT_HARD_LINKS
if (file->link_u.idev) {
if (file->F_DEV == dev) {
if (protocol_version >= 28)
dev = file->F_DEV;
flags |= XMIT_HAS_IDEV_DATA;
}
+#endif
for (l1 = 0;
- lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
- l1++) {}
+ lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
+ l1++) {}
l2 = strlen(fname+l1);
if (l1 > 0)
if (!(flags & XMIT_SAME_MODE))
write_int(f, to_wire_mode(mode));
if (preserve_uid && !(flags & XMIT_SAME_UID)) {
- add_uid(uid);
+ if (!numeric_ids)
+ add_uid(uid);
write_int(f, uid);
}
if (preserve_gid && !(flags & XMIT_SAME_GID)) {
- add_gid(gid);
+ if (!numeric_ids)
+ add_gid(gid);
write_int(f, gid);
}
if (preserve_devices && IS_DEVICE(mode)) {
- /* If XMIT_SAME_HIGH_RDEV is off, XMIT_SAME_RDEV_pre28 is
- * also off. */
- if (!(flags & XMIT_SAME_HIGH_RDEV))
- write_int(f, rdev);
- else if (protocol_version >= 28)
- write_byte(f, rdev);
+ if (protocol_version < 28) {
+ if (!(flags & XMIT_SAME_RDEV_pre28))
+ write_int(f, (int)rdev);
+ } else {
+ if (!(flags & XMIT_SAME_RDEV_MAJOR))
+ write_int(f, major(rdev));
+ if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ write_byte(f, minor(rdev));
+ else
+ write_int(f, minor(rdev));
+ }
}
#if SUPPORT_LINKS
} else
sum = NULL;
if (sum) {
- write_buf(f, sum, protocol_version < 21? 2
- : MD4_SUM_LENGTH);
+ write_buf(f, sum,
+ protocol_version < 21 ? 2 : MD4_SUM_LENGTH);
}
}
-void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
+void receive_file_entry(struct file_struct **fptr, unsigned short flags,
+ struct file_list *flist, int f)
{
static time_t modtime;
static mode_t mode;
- static DEV64_T rdev, rdev_high;
- static DEV64_T dev;
+ static uint64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
static uid_t uid;
static gid_t gid;
- static char lastname[MAXPATHLEN];
+ static char lastname[MAXPATHLEN], *lastdir;
+ static int lastdir_len = -1;
char thisname[MAXPATHLEN];
unsigned int l1 = 0, l2 = 0;
- char *p;
+ int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
+ OFF_T file_length;
+ char *basename, *dirname, *bp;
struct file_struct *file;
if (!fptr) {
modtime = 0, mode = 0;
- rdev = 0, rdev_high = 0, dev = 0;
+ dev = 0, rdev = makedev(0, 0);
+ rdev_major = 0;
uid = 0, gid = 0;
*lastname = '\0';
+ lastdir_len = -1;
return;
}
else
l2 = read_byte(f);
- file = new(struct file_struct);
- if (!file)
- out_of_memory("receive_file_entry");
- memset((char *) file, 0, sizeof(*file));
- (*fptr) = file;
-
if (l2 >= MAXPATHLEN - l1) {
rprintf(FERROR,
"overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
thisname[l1 + l2] = 0;
strlcpy(lastname, thisname, MAXPATHLEN);
- lastname[MAXPATHLEN - 1] = 0;
clean_fname(thisname);
- if (sanitize_paths) {
+ if (sanitize_paths)
sanitize_path(thisname, NULL);
- }
- if ((p = strrchr(thisname, '/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(thisname, lastdir) == 0)
- file->dirname = lastdir;
- else {
- file->dirname = strdup(thisname);
- lastdir = file->dirname;
- }
- file->basename = strdup(p + 1);
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ dirname_len = ++basename - thisname; /* counts future '\0' */
+ if (lastdir_len == dirname_len - 1
+ && strncmp(thisname, lastdir, lastdir_len) == 0) {
+ dirname = lastdir;
+ dirname_len = 0; /* indicates no copy is needed */
+ } else
+ dirname = thisname;
} else {
- file->dirname = NULL;
- file->basename = strdup(thisname);
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
}
+ basename_len = strlen(basename) + 1; /* count the '\0' */
- if (!file->basename)
- out_of_memory("receive_file_entry 1");
-
- file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
- file->length = read_longint(f);
+ file_length = read_longint(f);
if (!(flags & XMIT_SAME_TIME))
modtime = (time_t)read_int(f);
- file->modtime = modtime;
if (!(flags & XMIT_SAME_MODE))
mode = from_wire_mode(read_int(f));
- file->mode = mode;
- if (preserve_uid) {
- if (!(flags & XMIT_SAME_UID))
- uid = (uid_t)read_int(f);
- file->uid = uid;
- }
- if (preserve_gid) {
- if (!(flags & XMIT_SAME_GID))
- gid = (gid_t)read_int(f);
- file->gid = gid;
- }
+ if (preserve_uid && !(flags & XMIT_SAME_UID))
+ uid = (uid_t)read_int(f);
+ if (preserve_gid && !(flags & XMIT_SAME_GID))
+ gid = (gid_t)read_int(f);
+
if (preserve_devices) {
if (protocol_version < 28) {
if (IS_DEVICE(mode)) {
if (!(flags & XMIT_SAME_RDEV_pre28))
- rdev = (DEV64_T)read_int(f);
- file->u.rdev = rdev;
+ rdev = (dev_t)read_int(f);
} else
- rdev = 0;
+ rdev = makedev(0, 0);
} else if (IS_DEVICE(mode)) {
- if (!(flags & XMIT_SAME_HIGH_RDEV)) {
- rdev = (DEV64_T)read_int(f);
- rdev_high = rdev & ~0xFF;
- } else
- rdev = rdev_high | (DEV64_T)read_byte(f);
- file->u.rdev = rdev;
+ uint32 rdev_minor;
+ if (!(flags & XMIT_SAME_RDEV_MAJOR))
+ rdev_major = read_int(f);
+ if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ rdev_minor = read_byte(f);
+ else
+ rdev_minor = read_int(f);
+ rdev = makedev(rdev_major, rdev_minor);
}
}
+#if SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
- int len = read_int(f);
- if (len < 0 || len >= MAXPATHLEN) {
- rprintf(FERROR, "overflow: len=%d\n", len);
+ linkname_len = read_int(f) + 1; /* count the '\0' */
+ if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
+ rprintf(FERROR, "overflow: linkname_len=%d\n",
+ linkname_len - 1);
overflow("receive_file_entry");
}
- if (!(file->u.link = new_array(char, len + 1)))
- out_of_memory("receive_file_entry 2");
- read_sbuf(f, file->u.link, len);
+ }
+ else
+#endif
+ linkname_len = 0;
+
+ sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0;
+
+ alloc_len = file_struct_len + dirname_len + basename_len
+ + linkname_len + sum_len;
+ bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry");
+
+ file = *fptr = (struct file_struct *)bp;
+ memset(bp, 0, file_struct_len);
+ bp += file_struct_len;
+
+ file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
+ file->modtime = modtime;
+ file->length = file_length;
+ file->mode = mode;
+ file->uid = uid;
+ file->gid = gid;
+
+ if (dirname_len) {
+ file->dirname = lastdir = bp;
+ lastdir_len = dirname_len - 1;
+ memcpy(bp, dirname, dirname_len - 1);
+ bp += dirname_len;
+ bp[-1] = '\0';
+ } else if (dirname)
+ file->dirname = dirname;
+
+ file->basename = bp;
+ memcpy(bp, basename, basename_len);
+ bp += basename_len;
+
+ if (preserve_devices && IS_DEVICE(mode))
+ file->u.rdev = rdev;
+
+#if SUPPORT_LINKS
+ if (linkname_len) {
+ file->u.link = bp;
+ read_sbuf(f, bp, linkname_len - 1);
if (sanitize_paths)
- sanitize_path(file->u.link, file->dirname);
+ sanitize_path(bp, lastdir);
+ bp += linkname_len;
}
+#endif
+
#if SUPPORT_HARD_LINKS
if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
flags |= XMIT_HAS_IDEV_DATA;
if (flags & XMIT_HAS_IDEV_DATA) {
- if (!(file->link_u.idev = new(struct idev)))
- out_of_memory("file inode data");
+ uint64 inode;
if (protocol_version < 26) {
dev = read_int(f);
- file->F_INODE = read_int(f);
+ inode = read_int(f);
} else {
if (!(flags & XMIT_SAME_DEV))
dev = read_longint(f);
- file->F_INODE = read_longint(f);
+ inode = read_longint(f);
+ }
+ if (flist->hlink_pool) {
+ file->link_u.idev = pool_talloc(flist->hlink_pool,
+ struct idev, 1, "inode_table");
+ file->F_INODE = inode;
+ file->F_DEV = dev;
}
- file->F_DEV = dev;
}
#endif
if (always_checksum) {
char *sum;
- if (S_ISREG(mode)) {
- sum = file->u.sum = new_array(char, MD4_SUM_LENGTH);
- if (!sum)
- out_of_memory("md4 sum");
+ if (sum_len) {
+ file->u.sum = sum = bp;
+ /*bp += sum_len;*/
} else if (protocol_version < 28) {
/* Prior to 28, we get a useless set of nulls. */
sum = empty_sum;
} else
sum = NULL;
if (sum) {
- read_buf(f, sum, protocol_version < 21? 2
- : MD4_SUM_LENGTH);
+ read_buf(f, sum,
+ protocol_version < 21 ? 2 : MD4_SUM_LENGTH);
}
}
if (!preserve_perms) {
- extern int orig_umask;
/* set an appropriate set of permissions based on original
* permissions and umask. This emulates what GNU cp does */
file->mode &= ~orig_umask;
}
-#define STRDUP(ap, p) (ap ? string_area_strdup(ap, p) : strdup(p))
-/* IRIX cc cares that the operands to the ternary have the same type. */
-#define MALLOC(ap, i) (ap ? (void*) string_area_malloc(ap, i) : malloc(i))
-
/**
* Create a file_struct for a named file by reading its stat()
* information and performing extensive checks against global
* statting directories if we're not recursing, but this is not a very
* important case. Some systems may not have d_type.
**/
-struct file_struct *make_file(char *fname, struct string_area **ap,
+struct file_struct *make_file(char *fname, struct file_list *flist,
int exclude_level)
{
+ static char *lastdir;
+ static int lastdir_len = -1;
struct file_struct *file;
STRUCT_STAT st;
char sum[SUM_LENGTH];
- char *p;
char thisname[MAXPATHLEN];
char linkname[MAXPATHLEN];
+ int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
+ char *basename, *dirname, *bp;
unsigned short flags = 0;
+ if (!flist || !flist->count) /* Ignore lastdir when invalid. */
+ lastdir_len = -1;
+
if (strlcpy(thisname, fname, sizeof thisname)
>= sizeof thisname - flist_dir_len) {
rprintf(FINFO, "skipping overly long name: %s\n", fname);
if (readlink_stat(thisname, &st, linkname) != 0) {
int save_errno = errno;
- if (errno == ENOENT && exclude_level != NO_EXCLUDES) {
- /* either symlink pointing nowhere or file that
- * was removed during rsync run; see if excluded
- * before reporting an error */
- if (check_exclude_file(thisname, 0, exclude_level)) {
- /* file is excluded anyway, ignore silently */
- return NULL;
+ /* See if file is excluded before reporting an error. */
+ if (exclude_level != NO_EXCLUDES
+ && check_exclude_file(thisname, 0, exclude_level))
+ return NULL;
+ if (save_errno == ENOENT) {
+#if SUPPORT_LINKS
+ /* Avoid "vanished" error if symlink points nowhere. */
+ if (copy_links && do_lstat(thisname, &st) == 0
+ && S_ISLNK(st.st_mode)) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR, "symlink has no referent: %s\n",
+ full_fname(thisname));
+ } else
+#endif
+ {
+ enum logcode c = am_daemon && protocol_version < 28
+ ? FERROR : FINFO;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(thisname));
}
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, save_errno, "readlink %s failed",
+ full_fname(thisname));
}
- io_error |= IOERR_GENERAL;
- rprintf(FERROR, "readlink %s failed: %s\n",
- full_fname(thisname), strerror(save_errno));
return NULL;
}
return NULL;
}
- if (one_file_system && st.st_dev != filesystem_dev) {
- /* We allow a directory though to preserve the mount point.
- * However, flag it so that we don't recurse. */
- if (!S_ISDIR(st.st_mode))
- return NULL;
+ /* We only care about directories because we need to avoid recursing
+ * into a mount-point directory, not to avoid copying a symlinked
+ * file if -L (or similar) was specified. */
+ if (one_file_system && st.st_dev != filesystem_dev
+ && S_ISDIR(st.st_mode))
flags |= FLAG_MOUNT_POINT;
- }
if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level))
return NULL;
if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0)
return NULL;
- skip_excludes:
+skip_excludes:
if (verbose > 2) {
rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
who_am_i(), thisname, exclude_level);
}
- file = new(struct file_struct);
- if (!file)
- out_of_memory("make_file");
- memset((char *) file, 0, sizeof(*file));
- file->flags = flags;
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ dirname_len = ++basename - thisname; /* counts future '\0' */
+ if (lastdir_len == dirname_len - 1
+ && strncmp(thisname, lastdir, lastdir_len) == 0) {
+ dirname = lastdir;
+ dirname_len = 0; /* indicates no copy is needed */
+ } else
+ dirname = thisname;
+ } else {
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
+ }
+ basename_len = strlen(basename) + 1; /* count the '\0' */
- if ((p = strrchr(thisname, '/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(thisname, lastdir) == 0)
- file->dirname = lastdir;
- else {
- file->dirname = strdup(thisname);
- lastdir = file->dirname;
- }
- file->basename = STRDUP(ap, p + 1);
- *p = '/';
+#if SUPPORT_LINKS
+ linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
+#else
+ linkname_len = 0;
+#endif
+
+ sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0;
+
+ alloc_len = file_struct_len + dirname_len + basename_len
+ + linkname_len + sum_len;
+ if (flist) {
+ bp = pool_alloc(flist->file_pool, alloc_len,
+ "receive_file_entry");
} else {
- file->dirname = NULL;
- file->basename = STRDUP(ap, thisname);
+ if (!(bp = new_array(char, alloc_len)))
+ out_of_memory("receive_file_entry");
}
+ file = (struct file_struct *)bp;
+ memset(bp, 0, file_struct_len);
+ bp += file_struct_len;
+
+ file->flags = flags;
file->modtime = st.st_mtime;
file->length = st.st_size;
file->mode = st.st_mode;
file->uid = st.st_uid;
file->gid = st.st_gid;
- if (preserve_hard_links) {
- if (protocol_version < 28 ? S_ISREG(st.st_mode)
- : !S_ISDIR(st.st_mode) && st.st_nlink > 1) {
- if (!(file->link_u.idev = new(struct idev)))
- out_of_memory("file inode data");
- file->F_DEV = st.st_dev;
- file->F_INODE = st.st_ino;
+
+#if SUPPORT_HARD_LINKS
+ if (flist && flist->hlink_pool) {
+ if (protocol_version < 28) {
+ if (S_ISREG(st.st_mode))
+ file->link_u.idev = pool_talloc(
+ flist->hlink_pool, struct idev, 1,
+ "inode_table");
+ } else {
+ if (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
+ file->link_u.idev = pool_talloc(
+ flist->hlink_pool, struct idev, 1,
+ "inode_table");
}
}
+ if (file->link_u.idev) {
+ file->F_DEV = st.st_dev;
+ file->F_INODE = st.st_ino;
+ }
+#endif
+
+ if (dirname_len) {
+ file->dirname = lastdir = bp;
+ lastdir_len = dirname_len - 1;
+ memcpy(bp, dirname, dirname_len - 1);
+ bp += dirname_len;
+ bp[-1] = '\0';
+ } else if (dirname)
+ file->dirname = dirname;
+
+ file->basename = bp;
+ memcpy(bp, basename, basename_len);
+ bp += basename_len;
+
#ifdef HAVE_STRUCT_STAT_ST_RDEV
if (preserve_devices && IS_DEVICE(st.st_mode))
file->u.rdev = st.st_rdev;
#endif
#if SUPPORT_LINKS
- if (S_ISLNK(st.st_mode))
- file->u.link = STRDUP(ap, linkname);
+ if (linkname_len) {
+ file->u.link = bp;
+ memcpy(bp, linkname, linkname_len);
+ bp += linkname_len;
+ }
#endif
- if (always_checksum && S_ISREG(st.st_mode)) {
- if (!(file->u.sum = (char*)MALLOC(ap, MD4_SUM_LENGTH)))
- out_of_memory("md4 sum");
- file_checksum(thisname, file->u.sum, st.st_size);
+ if (sum_len) {
+ file->u.sum = bp;
+ file_checksum(thisname, bp, st.st_size);
+ /*bp += sum_len;*/
}
file->basedir = flist_dir;
{
struct file_struct *file;
char fbuf[MAXPATHLEN];
- extern int delete_excluded;
/* f is set to -1 when calculating deletion file list */
- file = make_file(fname, &flist->string_area,
- f == -1 && delete_excluded? SERVER_EXCLUDES
- : ALL_EXCLUDES);
+ file = make_file(fname, flist,
+ f == -1 && delete_excluded? SERVER_EXCLUDES : ALL_EXCLUDES);
if (!file)
return;
flist_expand(flist);
- if (write_batch)
- file->flags |= FLAG_TOP_DIR;
-
if (file->basename[0]) {
flist->files[flist->count++] = file;
send_file_entry(file, f, base_flags);
if (recursive && S_ISDIR(file->mode)
&& !(file->flags & FLAG_MOUNT_POINT)) {
- struct exclude_struct **last_exclude_list = local_exclude_list;
+ struct exclude_list_struct last_list = local_exclude_list;
+ local_exclude_list.head = local_exclude_list.tail = NULL;
send_directory(f, flist, f_name_to(file, fbuf));
- local_exclude_list = last_exclude_list;
- return;
+ if (verbose > 2) {
+ rprintf(FINFO, "[%s] popping %sexclude list\n",
+ who_am_i(), local_exclude_list.debug_type);
+ }
+ clear_exclude_list(&local_exclude_list);
+ local_exclude_list = last_list;
}
}
d = opendir(dir);
if (!d) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "opendir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "opendir %s failed", full_fname(dir));
return;
}
offset++;
}
- local_exclude_list = NULL;
-
if (cvs_exclude) {
if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset)
- < MAXPATHLEN - offset)
- add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE);
- else {
+ < MAXPATHLEN - offset) {
+ add_exclude_file(&local_exclude_list, fname,
+ XFLG_WORD_SPLIT | XFLG_WORDS_ONLY);
+ } else {
io_error |= IOERR_GENERAL;
rprintf(FINFO,
"cannot cvs-exclude in long-named directory %s\n",
}
if (errno) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "readdir(%s): (%d) %s\n",
- dir, errno, strerror(errno));
+ rsyserr(FERROR, errno, "readdir(%s)", dir);
}
- if (local_exclude_list)
- free_exclude_list(&local_exclude_list); /* Zeros pointer too */
-
closedir(d);
}
/**
+ * This function is normally called by the sender, but the receiver also
+ * uses it to construct its own file list if --delete has been specified.
* The delete_files() function in receiver.c sets f to -1 so that we just
* construct the file list in memory without sending it over the wire. It
* also has the side-effect of ignoring user-excludes if delete_excluded
start_write = stats.total_written;
- flist = flist_new();
+ flist = flist_new(f == -1 ? WITHOUT_HLINK : WITH_HLINK,
+ "send_file_list");
if (f != -1) {
- io_start_buffering_out(f);
+ io_start_buffering_out();
if (filesfrom_fd >= 0) {
if (argv[0] && !push_dir(argv[0])) {
- rprintf(FERROR, "push_dir %s failed: %s\n",
- full_fname(argv[0]), strerror(errno));
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(argv[0]));
exit_cleanup(RERR_FILESELECT);
}
use_ff_fd = 1;
}
}
- if (link_stat(fname, &st) != 0) {
+ if (link_stat(fname, &st, keep_dirlinks) != 0) {
if (f != -1) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "link_stat %s failed: %s\n",
- full_fname(fname), strerror(errno));
+ rsyserr(FERROR, errno, "link_stat %s failed",
+ full_fname(fname));
}
continue;
}
if (!push_dir(dir)) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "push_dir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(dir));
continue;
}
flist_dir = NULL;
flist_dir_len = 0;
if (!pop_dir(olddir)) {
- rprintf(FERROR, "pop_dir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "pop_dir %s failed",
+ full_fname(dir));
exit_cleanup(RERR_FILESELECT);
}
}
finish_filelist_progress(flist);
}
+ if (flist->hlink_pool) {
+ pool_destroy(flist->hlink_pool);
+ flist->hlink_pool = NULL;
+ }
+
clean_flist(flist, 0, 0);
if (f != -1) {
io_end_buffering();
stats.flist_size = stats.total_written - start_write;
stats.num_files = flist->count;
- if (write_batch)
- write_batch_flist_info(flist->count, flist->files);
}
+ if (verbose > 3)
+ output_flist(flist);
+
if (verbose > 2)
rprintf(FINFO, "send_file_list done\n");
struct file_list *flist;
unsigned short flags;
int64 start_read;
- extern int list_only;
if (show_filelist_p())
start_filelist_progress("receiving file list");
start_read = stats.total_read;
- flist = new(struct file_list);
- if (!flist)
- goto oom;
+ flist = flist_new(WITH_HLINK, "recv_file_list");
flist->count = 0;
flist->malloced = 1000;
if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
flags |= read_byte(f) << 8;
- receive_file_entry(&flist->files[i], flags, f);
+ receive_file_entry(&flist->files[i], flags, flist, f);
if (S_ISREG(flist->files[i]->mode))
stats.total_size += flist->files[i]->length;
f_name(flist->files[i]));
}
}
- receive_file_entry(NULL, 0, 0); /* Signal that we're done. */
+ receive_file_entry(NULL, 0, NULL, 0); /* Signal that we're done. */
if (verbose > 2)
rprintf(FINFO, "received %d names\n", flist->count);
* protocol version 15 */
recv_uid_list(f, flist);
- if (!read_batch) {
- /* Recv the io_error flag */
- if (lp_ignore_errors(module_id) || ignore_errors)
- read_int(f);
- else
- io_error |= read_int(f);
- }
+ /* Recv the io_error flag */
+ if (lp_ignore_errors(module_id) || ignore_errors)
+ read_int(f);
+ else
+ io_error |= read_int(f);
}
+ if (verbose > 3)
+ output_flist(flist);
+
if (list_only) {
int i;
for (i = 0; i < flist->count; i++)
return flist;
- oom:
+oom:
out_of_memory("recv_file_list");
return NULL; /* not reached */
}
return -1;
}
-
/*
- * free up one file
+ * Free up any resources a file_struct has allocated
+ * and clear the file.
*/
-void free_file(struct file_struct *file)
+void clear_file(int i, struct file_list *flist)
{
- if (!file)
- return;
- if (file->basename)
- free(file->basename);
- if (!IS_DEVICE(file->mode) && file->u.link)
- free(file->u.link); /* Handles u.sum too. */
- if (file->link_u.idev)
- free((char*)file->link_u.idev); /* Handles link_u.links too. */
- *file = null_file;
+ if (flist->hlink_pool && flist->files[i]->link_u.idev)
+ pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev);
+ memset(flist->files[i], 0, file_struct_len);
}
/*
* allocate a new file list
*/
-struct file_list *flist_new(void)
+struct file_list *flist_new(int with_hlink, char *msg)
{
struct file_list *flist;
flist = new(struct file_list);
if (!flist)
- out_of_memory("send_file_list");
+ out_of_memory(msg);
- flist->count = 0;
- flist->malloced = 0;
- flist->files = NULL;
+ memset(flist, 0, sizeof (struct file_list));
-#if ARENA_SIZE > 0
- flist->string_area = string_area_new(0);
-#else
- flist->string_area = NULL;
+ if (!(flist->file_pool = pool_create(FILE_EXTENT, 0,
+ out_of_memory, POOL_INTERN)))
+ out_of_memory(msg);
+
+#if SUPPORT_HARD_LINKS
+ if (with_hlink && preserve_hard_links) {
+ if (!(flist->hlink_pool = pool_create(HLINK_EXTENT,
+ sizeof (struct idev), out_of_memory, POOL_INTERN)))
+ out_of_memory(msg);
+ }
#endif
+
return flist;
}
*/
void flist_free(struct file_list *flist)
{
- int i;
- for (i = 1; i < flist->count; i++) {
- if (!flist->string_area)
- free_file(flist->files[i]);
- free(flist->files[i]);
- }
- /* FIXME: I don't think we generally need to blank the flist
- * since it's about to be freed. This will just cause more
- * memory traffic. If you want a freed-memory debugger, you
- * know where to get it. */
- memset((char *) flist->files, 0,
- sizeof(flist->files[0]) * flist->count);
+ pool_destroy(flist->file_pool);
+ pool_destroy(flist->hlink_pool);
free(flist->files);
- if (flist->string_area)
- string_area_free(flist->string_area);
- memset((char *) flist, 0, sizeof(*flist));
free(flist);
}
return;
qsort(flist->files, flist->count,
- sizeof(flist->files[0]), (int (*)()) file_compare);
+ sizeof flist->files[0], (int (*)())file_compare);
for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
if (flist->files[i]->basename) {
* else deletions will mysteriously fail with -R). */
if (flist->files[i]->flags & FLAG_TOP_DIR)
flist->files[prev_i]->flags |= FLAG_TOP_DIR;
- /* it's not great that the flist knows the semantics of
- * the file memory usage, but i'd rather not add a flag
- * byte to that struct.
- * XXX can i use a bit in the flags field? */
- if (flist->string_area)
- flist->files[i][0] = null_file;
- else
- free_file(flist->files[i]);
+
+ clear_file(i, flist);
} else
prev_i = i;
}
}
}
}
+}
- if (verbose <= 3)
- return;
+static void output_flist(struct file_list *flist)
+{
+ char uidbuf[16], gidbuf[16];
+ struct file_struct *file;
+ int i;
for (i = 0; i < flist->count; i++) {
- rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f\n",
- who_am_i(), i,
- NS(flist->files[i]->basedir),
- NS(flist->files[i]->dirname),
- NS(flist->files[i]->basename),
- (int) flist->files[i]->mode,
- (double) flist->files[i]->length);
+ file = flist->files[i];
+ if (am_root && preserve_uid)
+ sprintf(uidbuf, " uid=%ld", (long)file->uid);
+ else
+ *uidbuf = '\0';
+ if (preserve_gid && file->gid != GID_NONE)
+ sprintf(gidbuf, " gid=%ld", (long)file->gid);
+ else
+ *gidbuf = '\0';
+ rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f%s%s\n",
+ who_am_i(), i, NS(file->basedir), NS(file->dirname),
+ NS(file->basename), (int)file->mode,
+ (double)file->length, uidbuf, gidbuf);
}
}
if (!(c1 = (uchar*)f1->dirname)) {
state1 = fnc_BASE;
c1 = (uchar*)f1->basename;
+ } else if (!*c1) {
+ state1 = fnc_SLASH;
+ c1 = (uchar*)"/";
} else
state1 = fnc_DIR;
if (!(c2 = (uchar*)f2->dirname)) {
state2 = fnc_BASE;
c2 = (uchar*)f2->basename;
+ } else if (!*c2) {
+ state2 = fnc_SLASH;
+ c2 = (uchar*)"/";
} else
state2 = fnc_DIR;