-/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
- Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/** @file flist.c
- * Generate and receive file lists
+/*
+ * Generate and receive file lists.
+ *
+ * Copyright (C) 1996 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2002-2008 Wayne Davison
*
- * @todo Get rid of the string_area optimization. Efficiently
- * allocating blocks is the responsibility of the system's malloc
- * library, not of rsync.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
*
- **/
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
+ */
#include "rsync.h"
-
-extern struct stats stats;
+#include "ifuncs.h"
+#include "rounding.h"
+#include "io.h"
extern int verbose;
+extern int am_root;
extern int am_server;
+extern int am_daemon;
+extern int am_sender;
+extern int am_generator;
+extern int inc_recurse;
+extern int do_progress;
extern int always_checksum;
-
-extern int cvs_exclude;
-
+extern int module_id;
+extern int ignore_errors;
+extern int numeric_ids;
extern int recurse;
-
+extern int use_qsort;
+extern int xfer_dirs;
+extern int filesfrom_fd;
extern int one_file_system;
-extern int make_backups;
+extern int copy_dirlinks;
+extern int keep_dirlinks;
+extern int preserve_uid;
+extern int preserve_gid;
+extern int preserve_acls;
+extern int preserve_xattrs;
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 preserve_specials;
+extern int uid_ndx;
+extern int gid_ndx;
+extern int eol_nulls;
extern int relative_paths;
+extern int implied_dirs;
+extern int file_extra_cnt;
+extern int ignore_perishable;
+extern int non_perishable_cnt;
+extern int prune_empty_dirs;
extern int copy_links;
extern int copy_unsafe_links;
-extern int remote_version;
-extern int io_error;
+extern int protocol_version;
extern int sanitize_paths;
+extern int munge_symlinks;
+extern int need_unsorted_flist;
+extern int unsort_ndx;
+extern struct stats stats;
+extern char *filesfrom_host;
-extern int read_batch;
-extern int write_batch;
+extern char curr_dir[MAXPATHLEN];
-static char topsrcname[MAXPATHLEN];
+extern struct chmod_mode_struct *chmod_modes;
-static struct exclude_struct **local_exclude_list;
+extern struct filter_list_struct filter_list;
+extern struct filter_list_struct daemon_filter_list;
-static struct file_struct null_file;
+#ifdef ICONV_OPTION
+extern int filesfrom_convert;
+extern iconv_t ic_send, ic_recv;
+#endif
-static void clean_flist(struct file_list *flist, int strip_root);
+#define PTR_SIZE (sizeof (struct file_struct *))
+int io_error;
+int checksum_len;
+dev_t filesystem_dev; /* used to implement -x */
-static int show_build_progress_p(void)
-{
- extern int do_progress;
-
- return do_progress && verbose && recurse && !am_server;
-}
+struct file_list *cur_flist, *first_flist, *dir_flist;
+int send_dir_ndx = -1, send_dir_depth = -1;
+int flist_cnt = 0; /* how many (non-tmp) file list objects exist */
+int file_total = 0; /* total of all active items over all file-lists */
+int flist_eof = 0; /* all the file-lists are now known */
-/**
- * True if we're local, etc, and should emit progress emssages.
- **/
-static void emit_build_progress(const struct file_list *flist)
-{
- rprintf(FINFO,
- " %d files...\r",
- flist->count);
-}
+#define NORMAL_NAME 0
+#define SLASH_ENDING_NAME 1
+#define DOTDIR_NAME 2
+
+/* Starting from protocol version 26, we always use 64-bit ino_t and dev_t
+ * internally, even if this platform does not allow files to have 64-bit inums.
+ * The only exception is if we're on a platform with no 64-bit type at all.
+ *
+ * Because we use read_longint() to get these off the wire, if you transfer
+ * devices or (for protocols < 30) hardlinks with dev or inum > 2**32 to a
+ * machine with no 64-bit types then you will get an overflow error.
+ *
+ * Note that if you transfer devices from a 64-bit-devt machine (say, Solaris)
+ * to a 32-bit-devt machine (say, Linux-2.2/x86) then the device numbers will
+ * be truncated. But it's a kind of silly thing to do anyhow. */
+
+/* The tmp_* vars are used as a cache area by make_file() to store data
+ * that the sender doesn't need to remember in its file list. The data
+ * will survive just long enough to be used by send_file_entry(). */
+static dev_t tmp_rdev;
+#ifdef SUPPORT_HARD_LINKS
+static int64 tmp_dev, tmp_ino;
+#endif
+static char tmp_sum[MAX_DIGEST_LEN];
+
+static char empty_sum[MAX_DIGEST_LEN];
+static int flist_count_offset; /* for --delete --progress */
+static int dir_count = 0;
+static void flist_sort_and_clean(struct file_list *flist, int strip_root);
+static void output_flist(struct file_list *flist);
-static void finish_build_progress(const struct file_list *flist)
+void init_flist(void)
{
- if (verbose && recurse && !am_server) {
- /* This overwrites the progress line, if any. */
- rprintf(FINFO, RSYNC_NAME ": %d files to consider.\n",
- flist->count);
+ if (verbose > 4) {
+ rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
+ (int)FILE_STRUCT_LEN, (int)EXTRA_LEN);
}
+ checksum_len = protocol_version < 21 ? 2
+ : protocol_version < 30 ? MD4_DIGEST_LEN
+ : MD5_DIGEST_LEN;
}
-
-static struct string_area *string_area_new(int size)
+static int show_filelist_p(void)
{
- struct string_area *a;
-
- if (size <= 0) size = ARENA_SIZE;
- a = malloc(sizeof(*a));
- if (!a) out_of_memory("string_area_new");
- a->current = a->base = malloc(size);
- if (!a->current) out_of_memory("string_area_new buffer");
- a->end = a->base + size;
- a->next = NULL;
-
- return a;
+ return verbose && xfer_dirs && !am_server && !inc_recurse;
}
-static void string_area_free(struct string_area *a)
+static void start_filelist_progress(char *kind)
{
- struct string_area *next;
-
- for ( ; a ; a = next) {
- next = a->next;
- free(a->base);
- }
+ rprintf(FCLIENT, "%s ... ", kind);
+ if (verbose > 1 || do_progress)
+ rprintf(FCLIENT, "\n");
+ rflush(FINFO);
}
-static char *string_area_malloc(struct string_area **ap, int size)
+static void emit_filelist_progress(int count)
{
- 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;
+ rprintf(FCLIENT, " %d files...\r", count);
}
-static char *string_area_strdup(struct string_area **ap, const char *src)
+static void maybe_emit_filelist_progress(int count)
{
- char* dest = string_area_malloc(ap, strlen(src) + 1);
- return strcpy(dest, src);
+ if (do_progress && show_filelist_p() && (count % 100) == 0)
+ emit_filelist_progress(count);
}
-static void list_file_entry(struct file_struct *f)
+static void finish_filelist_progress(const struct file_list *flist)
{
- char perms[11];
-
- if (!f->basename)
- /* this can happen if duplicate names were removed */
- return;
-
- permstring(perms, f->mode);
-
- if (preserve_links && S_ISLNK(f->mode)) {
- rprintf(FINFO,"%s %11.0f %s %s -> %s\n",
- perms,
- (double)f->length, timestring(f->modtime),
- f_name(f), f->link);
- } else {
- rprintf(FINFO,"%s %11.0f %s %s\n",
- perms,
- (double)f->length, timestring(f->modtime), f_name(f));
- }
+ if (do_progress) {
+ /* This overwrites the progress line */
+ rprintf(FINFO, "%d file%sto consider\n",
+ flist->used, flist->used == 1 ? " " : "s ");
+ } else
+ rprintf(FINFO, "done\n");
}
+void show_flist_stats(void)
+{
+ /* Nothing yet */
+}
-int readlink_stat(const char *Path, STRUCT_STAT *Buffer, char *Linkbuf)
+/* Stat either a symlink or its referent, depending on the settings of
+ * copy_links, copy_unsafe_links, etc. Returns -1 on error, 0 on success.
+ *
+ * If path is the name of a symlink, then the linkbuf buffer (which must hold
+ * MAXPATHLEN chars) will be set to the symlink's target string.
+ *
+ * The stat structure pointed to by stp will contain information about the
+ * link or the referent as appropriate, if they exist. */
+static int readlink_stat(const char *path, STRUCT_STAT *stp, char *linkbuf)
{
-#if SUPPORT_LINKS
- if (copy_links) {
- return do_stat(Path, Buffer);
- }
- if (do_lstat(Path, Buffer) == -1) {
+#ifdef SUPPORT_LINKS
+ if (link_stat(path, stp, copy_dirlinks) < 0)
return -1;
- }
- if (S_ISLNK(Buffer->st_mode)) {
- int l;
- if ((l = readlink((char *) Path, Linkbuf, MAXPATHLEN-1))== -1) {
+ if (S_ISLNK(stp->st_mode)) {
+ int llen = readlink(path, linkbuf, MAXPATHLEN - 1);
+ if (llen < 0)
return -1;
+ linkbuf[llen] = '\0';
+ if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
+ if (verbose > 1) {
+ rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
+ path, linkbuf);
+ }
+ return x_stat(path, stp, NULL);
}
- Linkbuf[l] = 0;
- if (copy_unsafe_links && (topsrcname[0] != '\0') &&
- unsafe_symlink(Linkbuf, topsrcname)) {
- return do_stat(Path, Buffer);
+ if (munge_symlinks && am_sender && llen > SYMLINK_PREFIX_LEN
+ && strncmp(linkbuf, SYMLINK_PREFIX, SYMLINK_PREFIX_LEN) == 0) {
+ memmove(linkbuf, linkbuf + SYMLINK_PREFIX_LEN,
+ llen - SYMLINK_PREFIX_LEN + 1);
}
}
return 0;
#else
- return do_stat(Path, Buffer);
+ return x_stat(path, stp, NULL);
#endif
}
-int link_stat(const char *Path, STRUCT_STAT *Buffer)
+int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
{
-#if SUPPORT_LINKS
- if (copy_links) {
- return do_stat(Path, Buffer);
- } else {
- return do_lstat(Path, Buffer);
- }
+#ifdef SUPPORT_LINKS
+ if (copy_links)
+ return x_stat(path, stp, NULL);
+ if (x_lstat(path, stp, NULL) < 0)
+ return -1;
+ if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
+ STRUCT_STAT st;
+ if (x_stat(path, &st, NULL) == 0 && S_ISDIR(st.st_mode))
+ *stp = st;
+ }
+ return 0;
#else
- return do_stat(Path, Buffer);
+ return x_stat(path, stp, NULL);
#endif
}
-/*
- This function is used to check if a file should be included/excluded
- from the list of files based on its name and type etc
- */
-static int check_exclude_file(int f,char *fname,STRUCT_STAT *st)
+static inline int is_daemon_excluded(const char *fname, int is_dir)
{
- extern int delete_excluded;
-
- /* f is set to -1 when calculating deletion file list */
- if ((f == -1) && delete_excluded) {
- return 0;
- }
- if (check_exclude(fname,local_exclude_list,st)) {
+ if (daemon_filter_list.head
+ && check_filter(&daemon_filter_list, FLOG, fname, is_dir) < 0) {
+ errno = ENOENT;
return 1;
}
return 0;
}
-/* used by the one_file_system code */
-static dev_t filesystem_dev;
+static inline int path_is_daemon_excluded(char *path, int ignore_filename)
+{
+ if (daemon_filter_list.head) {
+ char *slash = path;
+
+ while ((slash = strchr(slash+1, '/')) != NULL) {
+ int ret;
+ *slash = '\0';
+ ret = check_filter(&daemon_filter_list, FLOG, path, 1);
+ *slash = '/';
+ if (ret < 0) {
+ errno = ENOENT;
+ return 1;
+ }
+ }
+
+ if (!ignore_filename
+ && check_filter(&daemon_filter_list, FLOG, path, 1) < 0) {
+ errno = ENOENT;
+ return 1;
+ }
+ }
+
+ return 0;
+}
-static void set_filesystem(char *fname)
+/* This function is used to check if a file should be included/excluded
+ * from the list of files based on its name and type etc. The value of
+ * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
+static int is_excluded(const char *fname, int is_dir, int filter_level)
{
- STRUCT_STAT st;
- if (link_stat(fname,&st) != 0) return;
- filesystem_dev = st.st_dev;
+#if 0 /* This currently never happens, so avoid a useless compare. */
+ if (filter_level == NO_FILTERS)
+ return 0;
+#endif
+ if (is_daemon_excluded(fname, is_dir))
+ return 1;
+ if (filter_level != ALL_FILTERS)
+ return 0;
+ if (filter_list.head
+ && check_filter(&filter_list, FINFO, fname, is_dir) < 0)
+ return 1;
+ return 0;
}
+static void send_directory(int f, struct file_list *flist,
+ char *fbuf, int len, int flags);
+
+static const char *pathname, *orig_dir;
+static int pathname_len;
-static int to_wire_mode(mode_t mode)
+/* Make sure flist can hold at least flist->used + extra entries. */
+static void flist_expand(struct file_list *flist, int extra)
{
- if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) {
- return (mode & ~(_S_IFMT)) | 0120000;
+ struct file_struct **new_ptr;
+
+ if (flist->used + extra <= flist->malloced)
+ return;
+
+ 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->used + extra)
+ flist->malloced = flist->used + extra;
+
+ new_ptr = realloc_array(flist->files, struct file_struct *,
+ flist->malloced);
+
+ if (verbose >= 2 && flist->malloced != FLIST_START) {
+ rprintf(FCLIENT, "[%s] expand file_list pointer array to %.0f bytes, did%s move\n",
+ who_am_i(),
+ (double)sizeof flist->files[0] * flist->malloced,
+ (new_ptr == flist->files) ? " not" : "");
}
- return (int)mode;
+
+ flist->files = new_ptr;
+
+ if (!flist->files)
+ out_of_memory("flist_expand");
}
-static mode_t from_wire_mode(int mode)
+static void flist_done_allocating(struct file_list *flist)
{
- if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) {
- return (mode & ~(_S_IFMT)) | _S_IFLNK;
- }
- return (mode_t)mode;
+ void *ptr = pool_boundary(flist->file_pool, 8*1024);
+ if (flist->pool_boundary == ptr)
+ flist->pool_boundary = NULL; /* list didn't use any pool memory */
+ else
+ flist->pool_boundary = ptr;
}
+/* Call this with EITHER (1) "file, NULL, 0" to chdir() to the file's
+ * F_PATHNAME(), or (2) "NULL, dir, dirlen" to chdir() to the supplied dir,
+ * with dir == NULL taken to be the starting directory, and dirlen < 0
+ * indicating that strdup(dir) should be called and then the -dirlen length
+ * value checked to ensure that it is not daemon-excluded. */
+int change_pathname(struct file_struct *file, const char *dir, int dirlen)
+{
+ if (dirlen < 0) {
+ char *cpy = strdup(dir);
+ if (*cpy != '/')
+ change_dir(orig_dir, CD_SKIP_CHDIR);
+ if (path_is_daemon_excluded(cpy, 0))
+ goto chdir_error;
+ dir = cpy;
+ dirlen = -dirlen;
+ } else {
+ if (file) {
+ if (pathname == F_PATHNAME(file))
+ return 1;
+ dir = F_PATHNAME(file);
+ if (dir)
+ dirlen = strlen(dir);
+ } else if (pathname == dir)
+ return 1;
+ if (dir && *dir != '/')
+ change_dir(orig_dir, CD_SKIP_CHDIR);
+ }
+
+ pathname = dir;
+ pathname_len = dirlen;
-static void send_directory(int f,struct file_list *flist,char *dir);
+ if (!dir)
+ dir = orig_dir;
-static char *flist_dir;
+ if (!change_dir(dir, CD_NORMAL)) {
+ chdir_error:
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "change_dir %s failed", full_fname(dir));
+ if (dir != orig_dir)
+ change_dir(orig_dir, CD_NORMAL);
+ pathname = NULL;
+ pathname_len = 0;
+ return 0;
+ }
+ return 1;
+}
-static void send_file_entry(struct file_struct *file,int f,unsigned base_flags)
+static void send_file_entry(int f, const char *fname, struct file_struct *file, int ndx, int first_ndx)
{
- unsigned char flags;
- static time_t last_time;
- static mode_t last_mode;
- static dev_t last_rdev;
- static uid_t last_uid;
- static gid_t last_gid;
+ static time_t modtime;
+ static mode_t mode;
+#ifdef SUPPORT_HARD_LINKS
+ static int64 dev;
+#endif
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ static const char *user_name, *group_name;
static char lastname[MAXPATHLEN];
- char *fname;
- int l1,l2;
-
- if (f == -1) return;
+ int first_hlink_ndx = -1;
+ int l1, l2;
+ int xflags;
+
+ /* Initialize starting value of xflags. */
+ if (protocol_version >= 30 && S_ISDIR(file->mode)) {
+ dir_count++;
+ if (file->flags & FLAG_CONTENT_DIR)
+ xflags = file->flags & FLAG_TOP_DIR;
+ else if (file->flags & FLAG_IMPLIED_DIR)
+ xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR;
+ else
+ xflags = XMIT_NO_CONTENT_DIR;
+ } else
+ xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+
+ if (file->mode == mode)
+ xflags |= XMIT_SAME_MODE;
+ else
+ mode = file->mode;
- if (!file) {
- write_byte(f,0);
- return;
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (tmp_rdev == rdev)
+ xflags |= XMIT_SAME_RDEV_pre28;
+ else
+ rdev = tmp_rdev;
+ } else {
+ rdev = tmp_rdev;
+ if ((uint32)major(rdev) == rdev_major)
+ xflags |= XMIT_SAME_RDEV_MAJOR;
+ else
+ rdev_major = major(rdev);
+ if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
+ xflags |= XMIT_RDEV_MINOR_8_pre30;
+ }
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+ if (!preserve_uid || ((uid_t)F_OWNER(file) == uid && *lastname))
+ xflags |= XMIT_SAME_UID;
+ else {
+ uid = F_OWNER(file);
+ if (!numeric_ids) {
+ user_name = add_uid(uid);
+ if (inc_recurse && user_name)
+ xflags |= XMIT_USER_NAME_FOLLOWS;
+ }
}
+ if (!preserve_gid || ((gid_t)F_GROUP(file) == gid && *lastname))
+ xflags |= XMIT_SAME_GID;
+ else {
+ gid = F_GROUP(file);
+ if (!numeric_ids) {
+ group_name = add_gid(gid);
+ if (inc_recurse && group_name)
+ xflags |= XMIT_GROUP_NAME_FOLLOWS;
+ }
+ }
+ if (file->modtime == modtime)
+ xflags |= XMIT_SAME_TIME;
+ else
+ modtime = file->modtime;
+
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_dev != 0) {
+ if (protocol_version >= 30) {
+ struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino);
+ first_hlink_ndx = (int32)(long)np->data - 1;
+ if (first_hlink_ndx < 0) {
+ np->data = (void*)(long)(first_ndx + ndx + 1);
+ xflags |= XMIT_HLINK_FIRST;
+ }
+ } else {
+ if (tmp_dev == dev) {
+ if (protocol_version >= 28)
+ xflags |= XMIT_SAME_DEV_pre30;
+ } else
+ dev = tmp_dev;
+ }
+ xflags |= XMIT_HLINKED;
+ }
+#endif
- fname = f_name(file);
-
- flags = base_flags;
-
- if (file->mode == last_mode) flags |= SAME_MODE;
- if (file->rdev == last_rdev) flags |= SAME_RDEV;
- if (file->uid == last_uid) flags |= SAME_UID;
- if (file->gid == last_gid) flags |= SAME_GID;
- if (file->modtime == last_time) flags |= SAME_TIME;
-
- for (l1=0;lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);l1++) ;
- l2 = strlen(fname) - l1;
+ for (l1 = 0;
+ lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
+ l1++) {}
+ l2 = strlen(fname+l1);
+
+ if (l1 > 0)
+ xflags |= XMIT_SAME_NAME;
+ if (l2 > 255)
+ xflags |= XMIT_LONG_NAME;
+
+ /* We must make sure we don't send a zero flag byte or the
+ * other end will terminate the flist transfer. Note that
+ * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
+ * it's harmless way to add a bit to the first flag byte. */
+ if (protocol_version >= 28) {
+ if (!xflags && !S_ISDIR(mode))
+ xflags |= XMIT_TOP_DIR;
+ if ((xflags & 0xFF00) || !xflags) {
+ xflags |= XMIT_EXTENDED_FLAGS;
+ write_shortint(f, xflags);
+ } else
+ write_byte(f, xflags);
+ } else {
+ if (!(xflags & 0xFF))
+ xflags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
+ write_byte(f, xflags);
+ }
+ if (xflags & XMIT_SAME_NAME)
+ write_byte(f, l1);
+ if (xflags & XMIT_LONG_NAME)
+ write_varint30(f, l2);
+ else
+ write_byte(f, l2);
+ write_buf(f, fname + l1, l2);
- if (l1 > 0) flags |= SAME_NAME;
- if (l2 > 255) flags |= LONG_NAME;
+ if (first_hlink_ndx >= 0) {
+ write_varint(f, first_hlink_ndx);
+ if (first_hlink_ndx >= first_ndx)
+ goto the_end;
+ }
- /* we must make sure we don't send a zero flags byte or the other
- end will terminate the flist transfer */
- if (flags == 0 && !S_ISDIR(file->mode)) flags |= FLAG_DELETE;
- if (flags == 0) flags |= LONG_NAME;
+ write_varlong30(f, F_LENGTH(file), 3);
+ if (!(xflags & XMIT_SAME_TIME)) {
+ if (protocol_version >= 30)
+ write_varlong(f, modtime, 4);
+ else
+ write_int(f, modtime);
+ }
+ if (!(xflags & XMIT_SAME_MODE))
+ write_int(f, to_wire_mode(mode));
+ if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
+ if (protocol_version < 30)
+ write_int(f, uid);
+ else {
+ write_varint(f, uid);
+ if (xflags & XMIT_USER_NAME_FOLLOWS) {
+ int len = strlen(user_name);
+ write_byte(f, len);
+ write_buf(f, user_name, len);
+ }
+ }
+ }
+ if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
+ if (protocol_version < 30)
+ write_int(f, gid);
+ else {
+ write_varint(f, gid);
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS) {
+ int len = strlen(group_name);
+ write_byte(f, len);
+ write_buf(f, group_name, len);
+ }
+ }
+ }
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (!(xflags & XMIT_SAME_RDEV_pre28))
+ write_int(f, (int)rdev);
+ } else {
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
+ write_varint30(f, major(rdev));
+ if (protocol_version >= 30)
+ write_varint(f, minor(rdev));
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
+ write_byte(f, minor(rdev));
+ else
+ write_int(f, minor(rdev));
+ }
+ }
- write_byte(f,flags);
- if (flags & SAME_NAME)
- write_byte(f,l1);
- if (flags & LONG_NAME)
- write_int(f,l2);
- else
- write_byte(f,l2);
- write_buf(f,fname+l1,l2);
-
- write_longint(f,file->length);
- if (!(flags & SAME_TIME))
- write_int(f,(int)file->modtime);
- if (!(flags & SAME_MODE))
- write_int(f,to_wire_mode(file->mode));
- if (preserve_uid && !(flags & SAME_UID)) {
- add_uid(file->uid);
- write_int(f,(int)file->uid);
- }
- if (preserve_gid && !(flags & SAME_GID)) {
- add_gid(file->gid);
- write_int(f,(int)file->gid);
- }
- if (preserve_devices && IS_DEVICE(file->mode) && !(flags & SAME_RDEV))
- write_int(f,(int)file->rdev);
-
-#if SUPPORT_LINKS
- if (preserve_links && S_ISLNK(file->mode)) {
- write_int(f,strlen(file->link));
- write_buf(f,file->link,strlen(file->link));
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(mode)) {
+ const char *sl = F_SYMLINK(file);
+ int len = strlen(sl);
+ write_varint30(f, len);
+ write_buf(f, sl, len);
}
#endif
-#if SUPPORT_HARD_LINKS
- if (preserve_hard_links && S_ISREG(file->mode)) {
- if (remote_version < 26) {
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_dev != 0 && protocol_version < 30) {
+ if (protocol_version < 26) {
/* 32-bit dev_t and ino_t */
- write_int(f,(int)file->dev);
- write_int(f,(int)file->inode);
+ write_int(f, (int32)dev);
+ write_int(f, (int32)tmp_ino);
} else {
/* 64-bit dev_t and ino_t */
- write_longint(f, file->dev);
- write_longint(f, file->inode);
+ if (!(xflags & XMIT_SAME_DEV_pre30))
+ write_longint(f, dev);
+ write_longint(f, tmp_ino);
}
}
#endif
- if (always_checksum) {
- if (remote_version < 21) {
- write_buf(f,file->sum,2);
- } else {
- write_buf(f,file->sum,MD4_SUM_LENGTH);
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ const char *sum;
+ if (S_ISREG(mode))
+ sum = tmp_sum;
+ else {
+ /* Prior to 28, we sent a useless set of nulls. */
+ sum = empty_sum;
}
- }
+ write_buf(f, sum, checksum_len);
+ }
- last_mode = file->mode;
- last_rdev = file->rdev;
- last_uid = file->uid;
- last_gid = file->gid;
- last_time = file->modtime;
+ the_end:
+ strlcpy(lastname, fname, MAXPATHLEN);
- strlcpy(lastname,fname,MAXPATHLEN);
- lastname[MAXPATHLEN-1] = 0;
+ if (S_ISREG(mode) || S_ISLNK(mode))
+ stats.total_size += F_LENGTH(file);
}
-
-
-static void receive_file_entry(struct file_struct **fptr,
- unsigned flags,int f)
+static struct file_struct *recv_file_entry(struct file_list *flist,
+ int xflags, int f)
{
- static time_t last_time;
- static mode_t last_mode;
- static dev_t last_rdev;
- static uid_t last_uid;
- static gid_t last_gid;
- static char lastname[MAXPATHLEN];
+ static int64 modtime;
+ static mode_t mode;
+#ifdef SUPPORT_HARD_LINKS
+ static int64 dev;
+#endif
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ static uint16 gid_flags;
+ static char lastname[MAXPATHLEN], *lastdir;
+ static int lastdir_depth, lastdir_len = -1;
+ static unsigned int del_hier_name_len = 0;
+ static int in_del_hier = 0;
char thisname[MAXPATHLEN];
- int l1=0,l2=0;
- char *p;
+ unsigned int l1 = 0, l2 = 0;
+ int alloc_len, basename_len, linkname_len;
+ int extra_len = file_extra_cnt * EXTRA_LEN;
+ int first_hlink_ndx = -1;
+ OFF_T file_length;
+ const char *basename;
struct file_struct *file;
+ alloc_pool_t *pool;
+ char *bp;
- if (flags & SAME_NAME)
+ if (xflags & XMIT_SAME_NAME)
l1 = read_byte(f);
-
- if (flags & LONG_NAME)
- l2 = read_int(f);
+
+ if (xflags & XMIT_LONG_NAME)
+ l2 = read_varint30(f);
else
l2 = read_byte(f);
- file = (struct file_struct *)malloc(sizeof(*file));
- if (!file) out_of_memory("receive_file_entry");
- memset((char *)file, 0, sizeof(*file));
- (*fptr) = file;
+ if (l2 >= MAXPATHLEN - l1) {
+ rprintf(FERROR,
+ "overflow: xflags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
+ xflags, l1, l2, lastname, who_am_i());
+ overflow_exit("recv_file_entry");
+ }
+
+ strlcpy(thisname, lastname, l1 + 1);
+ read_sbuf(f, &thisname[l1], l2);
+ thisname[l1 + l2] = 0;
+
+ /* Abuse basename_len for a moment... */
+ basename_len = strlcpy(lastname, thisname, MAXPATHLEN);
+
+#ifdef ICONV_OPTION
+ if (ic_recv != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
- if (l2 >= MAXPATHLEN-l1) {
- rprintf(FERROR,"overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
- flags, l1, l2, lastname);
- overflow("receive_file_entry");
+ INIT_CONST_XBUF(outbuf, thisname);
+ INIT_XBUF(inbuf, lastname, basename_len, -1);
+
+ if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO,
+ "[%s] cannot convert filename: %s (%s)\n",
+ who_am_i(), lastname, strerror(errno));
+ outbuf.len = 0;
+ }
+ outbuf.buf[outbuf.len] = '\0';
}
+#endif
- strlcpy(thisname,lastname,l1+1);
- read_sbuf(f,&thisname[l1],l2);
- thisname[l1+l2] = 0;
+ if (*thisname)
+ clean_fname(thisname, 0);
- strlcpy(lastname,thisname,MAXPATHLEN);
- lastname[MAXPATHLEN-1] = 0;
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
- clean_fname(thisname);
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ int len = basename++ - thisname;
+ if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
+ lastdir = new_array(char, len + 1);
+ memcpy(lastdir, thisname, len);
+ lastdir[len] = '\0';
+ lastdir_len = len;
+ lastdir_depth = count_dir_elements(lastdir);
+ }
+ } else
+ basename = thisname;
+ basename_len = strlen(basename) + 1; /* count the '\0' */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (protocol_version >= 30
+ && BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
+ first_hlink_ndx = read_varint(f);
+ if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->ndx_start + flist->used) {
+ rprintf(FERROR,
+ "hard-link reference out of range: %d (%d)\n",
+ first_hlink_ndx, flist->ndx_start + flist->used);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ file_length = F_LENGTH(first);
+ modtime = first->modtime;
+ mode = first->mode;
+ if (preserve_uid)
+ uid = F_OWNER(first);
+ if (preserve_gid)
+ gid = F_GROUP(first);
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ uint32 *devp = F_RDEV_P(first);
+ rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ }
+ if (preserve_links && S_ISLNK(mode))
+ linkname_len = strlen(F_SYMLINK(first)) + 1;
+ else
+ linkname_len = 0;
+ goto create_object;
+ }
+ }
+#endif
- if (sanitize_paths) {
- sanitize_path(thisname, NULL);
+ file_length = read_varlong30(f, 3);
+ if (!(xflags & XMIT_SAME_TIME)) {
+ if (protocol_version >= 30) {
+ modtime = read_varlong(f, 4);
+#if SIZEOF_TIME_T < SIZEOF_INT64
+ if (!am_generator && (int64)(time_t)modtime != modtime) {
+ rprintf(FERROR_XFER,
+ "Time value of %s truncated on receiver.\n",
+ lastname);
+ }
+#endif
+ } else
+ modtime = read_int(f);
+ }
+ if (!(xflags & XMIT_SAME_MODE))
+ mode = from_wire_mode(read_int(f));
+
+ if (chmod_modes && !S_ISLNK(mode))
+ mode = tweak_mode(mode, chmod_modes);
+
+ if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
+ if (protocol_version < 30)
+ uid = (uid_t)read_int(f);
+ else {
+ uid = (uid_t)read_varint(f);
+ if (xflags & XMIT_USER_NAME_FOLLOWS)
+ uid = recv_user_name(f, uid);
+ else if (inc_recurse && am_root && !numeric_ids)
+ uid = match_uid(uid);
+ }
+ }
+ if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
+ if (protocol_version < 30)
+ gid = (gid_t)read_int(f);
+ else {
+ gid = (gid_t)read_varint(f);
+ gid_flags = 0;
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS)
+ gid = recv_group_name(f, gid, &gid_flags);
+ else if (inc_recurse && (!am_root || !numeric_ids))
+ gid = match_gid(gid, &gid_flags);
+ }
}
- if ((p = strrchr(thisname,'/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(thisname, lastdir)==0) {
- file->dirname = lastdir;
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (!(xflags & XMIT_SAME_RDEV_pre28))
+ rdev = (dev_t)read_int(f);
} else {
- file->dirname = strdup(thisname);
- lastdir = file->dirname;
+ uint32 rdev_minor;
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
+ rdev_major = read_varint30(f);
+ if (protocol_version >= 30)
+ rdev_minor = read_varint(f);
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
+ rdev_minor = read_byte(f);
+ else
+ rdev_minor = read_int(f);
+ rdev = MAKEDEV(rdev_major, rdev_minor);
}
- file->basename = strdup(p+1);
- } else {
- file->dirname = NULL;
- file->basename = strdup(thisname);
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ file_length = 0;
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(mode)) {
+ linkname_len = read_varint30(f) + 1; /* count the '\0' */
+ if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
+ rprintf(FERROR, "overflow: linkname_len=%d\n",
+ linkname_len - 1);
+ overflow_exit("recv_file_entry");
+ }
+ if (munge_symlinks)
+ linkname_len += SYMLINK_PREFIX_LEN;
+ }
+ else
+#endif
+ linkname_len = 0;
+
+#ifdef SUPPORT_HARD_LINKS
+ create_object:
+ if (preserve_hard_links) {
+ if (protocol_version < 28 && S_ISREG(mode))
+ xflags |= XMIT_HLINKED;
+ if (xflags & XMIT_HLINKED)
+ extra_len += (inc_recurse+1) * EXTRA_LEN;
}
+#endif
+
+#ifdef SUPPORT_ACLS
+ /* Directories need an extra int32 for the default ACL. */
+ if (preserve_acls && S_ISDIR(mode))
+ extra_len += EXTRA_LEN;
+#endif
- if (!file->basename) out_of_memory("receive_file_entry 1");
+ if (always_checksum && S_ISREG(mode))
+ extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
+ if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
+ extra_len += EXTRA_LEN;
- file->flags = flags;
- file->length = read_longint(f);
- file->modtime = (flags & SAME_TIME) ? last_time : (time_t)read_int(f);
- file->mode = (flags & SAME_MODE) ? last_mode : from_wire_mode(read_int(f));
+ if (inc_recurse && S_ISDIR(mode)) {
+ if (one_file_system) {
+ /* Room to save the dir's device for -x */
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ }
+ pool = dir_flist->file_pool;
+ } else
+ pool = flist->file_pool;
+
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
+#endif
+
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
+ + linkname_len;
+ bp = pool_alloc(pool, alloc_len, "recv_file_entry");
+
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (xflags & XMIT_HLINKED)
+ file->flags |= FLAG_HLINKED;
+#endif
+ file->modtime = (time_t)modtime;
+ file->len32 = (uint32)file_length;
+ if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) {
+ file->flags |= FLAG_LENGTH64;
+ OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32);
+ }
+ file->mode = mode;
if (preserve_uid)
- file->uid = (flags & SAME_UID) ? last_uid : (uid_t)read_int(f);
- if (preserve_gid)
- file->gid = (flags & SAME_GID) ? last_gid : (gid_t)read_int(f);
- if (preserve_devices && IS_DEVICE(file->mode))
- file->rdev = (flags & SAME_RDEV) ? last_rdev : (dev_t)read_int(f);
-
- if (preserve_links && S_ISLNK(file->mode)) {
- int l = read_int(f);
- file->link = (char *)malloc(l+1);
- if (!file->link) out_of_memory("receive_file_entry 2");
- read_sbuf(f,file->link,l);
- if (sanitize_paths) {
- sanitize_path(file->link, file->dirname);
- }
- }
-
-#if SUPPORT_HARD_LINKS
- if (preserve_hard_links && S_ISREG(file->mode)) {
- if (remote_version < 26) {
- file->dev = read_int(f);
- file->inode = read_int(f);
+ F_OWNER(file) = uid;
+ if (preserve_gid) {
+ F_GROUP(file) = gid;
+ file->flags |= gid_flags;
+ }
+ if (unsort_ndx)
+ F_NDX(file) = flist->used + flist->ndx_start;
+
+ if (basename != thisname) {
+ file->dirname = lastdir;
+ F_DEPTH(file) = lastdir_depth + 1;
+ } else
+ F_DEPTH(file) = 1;
+
+ if (S_ISDIR(mode)) {
+ if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
+ F_DEPTH(file)--;
+ if (protocol_version >= 30) {
+ if (!(xflags & XMIT_NO_CONTENT_DIR)) {
+ if (xflags & XMIT_TOP_DIR)
+ file->flags |= FLAG_TOP_DIR;
+ file->flags |= FLAG_CONTENT_DIR;
+ } else if (xflags & XMIT_TOP_DIR)
+ file->flags |= FLAG_IMPLIED_DIR;
+ } else if (xflags & XMIT_TOP_DIR) {
+ in_del_hier = recurse;
+ del_hier_name_len = F_DEPTH(file) == 0 ? 0 : l1 + l2;
+ if (relative_paths && del_hier_name_len > 2
+ && lastname[del_hier_name_len-1] == '.'
+ && lastname[del_hier_name_len-2] == '/')
+ del_hier_name_len -= 2;
+ file->flags |= FLAG_TOP_DIR | FLAG_CONTENT_DIR;
+ } else if (in_del_hier) {
+ if (!relative_paths || !del_hier_name_len
+ || (l1 >= del_hier_name_len
+ && lastname[del_hier_name_len] == '/'))
+ file->flags |= FLAG_CONTENT_DIR;
+ else
+ in_del_hier = 0;
+ }
+ }
+
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ uint32 *devp = F_RDEV_P(file);
+ DEV_MAJOR(devp) = major(rdev);
+ DEV_MINOR(devp) = minor(rdev);
+ }
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len) {
+ bp += basename_len;
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ memcpy(bp, F_SYMLINK(first), linkname_len);
+ } else if (munge_symlinks) {
+ strlcpy(bp, SYMLINK_PREFIX, linkname_len);
+ bp += SYMLINK_PREFIX_LEN;
+ linkname_len -= SYMLINK_PREFIX_LEN;
+ read_sbuf(f, bp, linkname_len - 1);
} else {
- file->dev = read_longint(f);
- file->inode = read_longint(f);
+ read_sbuf(f, bp, linkname_len - 1);
+ if (sanitize_paths)
+ sanitize_path(bp, bp, "", lastdir_depth, SP_DEFAULT);
}
}
#endif
-
- if (always_checksum) {
- file->sum = (char *)malloc(MD4_SUM_LENGTH);
- if (!file->sum) out_of_memory("md4 sum");
- if (remote_version < 21) {
- read_buf(f,file->sum,2);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && xflags & XMIT_HLINKED) {
+ if (protocol_version >= 30) {
+ if (xflags & XMIT_HLINK_FIRST) {
+ F_HL_GNUM(file) = flist->ndx_start + flist->used;
+ } else
+ F_HL_GNUM(file) = first_hlink_ndx;
} else {
- read_buf(f,file->sum,MD4_SUM_LENGTH);
+ static int32 cnt = 0;
+ struct ht_int64_node *np;
+ int64 ino;
+ int32 ndx;
+ if (protocol_version < 26) {
+ dev = read_int(f);
+ ino = read_int(f);
+ } else {
+ if (!(xflags & XMIT_SAME_DEV_pre30))
+ dev = read_longint(f);
+ ino = read_longint(f);
+ }
+ np = idev_find(dev, ino);
+ ndx = (int32)(long)np->data - 1;
+ if (ndx < 0) {
+ ndx = cnt++;
+ np->data = (void*)(long)cnt;
+ }
+ F_HL_GNUM(file) = ndx;
}
}
-
- last_mode = file->mode;
- last_rdev = file->rdev;
- last_uid = file->uid;
- last_gid = file->gid;
- last_time = file->modtime;
+#endif
- 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;
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ if (S_ISREG(mode))
+ bp = F_SUM(file);
+ else {
+ /* Prior to 28, we get a useless set of nulls. */
+ bp = tmp_sum;
+ }
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ memcpy(bp, F_SUM(first), checksum_len);
+ } else
+ read_buf(f, bp, checksum_len);
}
-}
-
-
-/* determine if a file in a different filesstem should be skipped
- when one_file_system is set. We bascally only want to include
- the mount points - but they can be hard to find! */
-static int skip_filesystem(char *fname, STRUCT_STAT *st)
-{
- STRUCT_STAT st2;
- char *p = strrchr(fname, '/');
- /* skip all but directories */
- if (!S_ISDIR(st->st_mode)) return 1;
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(mode))
+ receive_acl(file, f);
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs)
+ receive_xattr(file, f );
+#endif
- /* if its not a subdirectory then allow */
- if (!p) return 0;
+ if (S_ISREG(mode) || S_ISLNK(mode))
+ stats.total_size += file_length;
- *p = 0;
- if (link_stat(fname, &st2)) {
- *p = '/';
- return 0;
- }
- *p = '/';
-
- return (st2.st_dev != filesystem_dev);
+ return file;
}
-#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 */
-struct file_struct *make_file(int f, char *fname, struct string_area **ap,
- int noexcludes)
+/* Create a file_struct for a named file by reading its stat() information
+ * and performing extensive checks against global options.
+ *
+ * Returns a pointer to the new file struct, or NULL if there was an error
+ * or this file should be excluded. */
+struct file_struct *make_file(const char *fname, struct file_list *flist,
+ STRUCT_STAT *stp, int flags, int filter_level)
{
+ static char *lastdir;
+ static int lastdir_len = -1;
struct file_struct *file;
+ char thisname[MAXPATHLEN];
+ char linkname[MAXPATHLEN];
+ int alloc_len, basename_len, linkname_len;
+ int extra_len = file_extra_cnt * EXTRA_LEN;
+ const char *basename;
+ alloc_pool_t *pool;
STRUCT_STAT st;
- char sum[SUM_LENGTH];
- char *p;
- char cleaned_name[MAXPATHLEN];
- char linkbuf[MAXPATHLEN];
- extern int module_id;
+ int excl_ret;
+ char *bp;
- strlcpy(cleaned_name, fname, MAXPATHLEN);
- cleaned_name[MAXPATHLEN-1] = 0;
- clean_fname(cleaned_name);
- if (sanitize_paths) {
- sanitize_path(cleaned_name, NULL);
+ if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) {
+ rprintf(FINFO, "skipping overly long name: %s\n", fname);
+ return NULL;
+ }
+ clean_fname(thisname, 0);
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
+
+ if (stp && S_ISDIR(stp->st_mode)) {
+ st = *stp; /* Needed for "symlink/." with --relative. */
+ *linkname = '\0'; /* make IBM code checker happy */
+ } else if (readlink_stat(thisname, &st, linkname) != 0) {
+ int save_errno = errno;
+ /* See if file is excluded before reporting an error. */
+ if (filter_level != NO_FILTERS
+ && (is_excluded(thisname, 0, filter_level)
+ || is_excluded(thisname, 1, filter_level))) {
+ if (ignore_perishable && save_errno != ENOENT)
+ non_perishable_cnt++;
+ return NULL;
+ }
+ if (save_errno == ENOENT) {
+#ifdef SUPPORT_LINKS
+ /* When our options tell us to follow a symlink that
+ * points nowhere, tell the user about the symlink
+ * instead of giving a "vanished" message. We only
+ * dereference a symlink if one of the --copy*links
+ * options was specified, so there's no need for the
+ * extra lstat() if one of these options isn't on. */
+ if ((copy_links || copy_unsafe_links || copy_dirlinks)
+ && x_lstat(thisname, &st, NULL) == 0
+ && S_ISLNK(st.st_mode)) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER, "symlink has no referent: %s\n",
+ full_fname(thisname));
+ } else
+#endif
+ {
+ enum logcode c = am_daemon && protocol_version < 28
+ ? FERROR : FWARNING;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(thisname));
+ }
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, save_errno, "readlink %s failed",
+ full_fname(thisname));
+ }
+ return NULL;
}
- fname = cleaned_name;
- memset(sum,0,SUM_LENGTH);
+ /* backup.c calls us with filter_level set to NO_FILTERS. */
+ if (filter_level == NO_FILTERS)
+ goto skip_filters;
- if (readlink_stat(fname,&st,linkbuf) != 0) {
- int save_errno = errno;
- if ((errno == ENOENT) && copy_links && !noexcludes) {
- /* symlink pointing nowhere, see if excluded */
- memset((char *)&st, 0, sizeof(st));
- if (check_exclude_file(f,fname,&st)) {
- /* file is excluded anyway, ignore silently */
+ if (S_ISDIR(st.st_mode)) {
+ if (!xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", thisname);
+ return NULL;
+ }
+ /* -x only affects dirs 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
+ && BITS_SETnUNSET(flags, FLAG_CONTENT_DIR, FLAG_TOP_DIR)) {
+ if (one_file_system > 1) {
+ if (verbose > 1) {
+ rprintf(FINFO,
+ "[%s] skipping mount-point dir %s\n",
+ who_am_i(), thisname);
+ }
return NULL;
}
+ flags |= FLAG_MOUNT_DIR;
+ flags &= ~FLAG_CONTENT_DIR;
}
- io_error = 1;
- rprintf(FERROR,"readlink %s: %s\n",
- fname,strerror(save_errno));
+ } else
+ flags &= ~FLAG_CONTENT_DIR;
+
+ if (S_ISDIR(st.st_mode)) {
+ if (flags & FLAG_DOTDIR_NAME) {
+ /* A "." fname (or "/." fname in relative mode) is
+ * never excluded. No other trailing-dotdir names
+ * are possible. */
+ excl_ret = 0;
+ } else
+ excl_ret = is_excluded(thisname, 1, filter_level);
+ } else
+ excl_ret = is_excluded(thisname, 0, filter_level);
+ if (excl_ret) {
+ if (ignore_perishable)
+ non_perishable_cnt++;
return NULL;
}
- /* we use noexcludes from backup.c */
- if (noexcludes) goto skip_excludes;
+ if (lp_ignore_nonreadable(module_id)) {
+#ifdef SUPPORT_LINKS
+ if (!S_ISLNK(st.st_mode))
+#endif
+ if (access(thisname, R_OK) != 0)
+ return NULL;
+ }
- if (S_ISDIR(st.st_mode) && !recurse) {
- rprintf(FINFO,"skipping directory %s\n",fname);
- return NULL;
+ skip_filters:
+
+ /* Only divert a directory in the main transfer. */
+ if (flist) {
+ if (flist->prev && S_ISDIR(st.st_mode)
+ && flags & FLAG_DIVERT_DIRS) {
+ /* Room for parent/sibling/next-child info. */
+ extra_len += DIRNODE_EXTRA_CNT * EXTRA_LEN;
+ if (relative_paths)
+ extra_len += PTR_EXTRA_CNT * EXTRA_LEN;
+ pool = dir_flist->file_pool;
+ } else
+ pool = flist->file_pool;
+ } else {
+#ifdef SUPPORT_ACLS
+ /* Directories need an extra int32 for the default ACL. */
+ if (preserve_acls && S_ISDIR(st.st_mode))
+ extra_len += EXTRA_LEN;
+#endif
+ pool = NULL;
}
-
- if (one_file_system && st.st_dev != filesystem_dev) {
- if (skip_filesystem(fname, &st))
- return NULL;
+
+ if (verbose > 2) {
+ rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
+ who_am_i(), thisname, filter_level);
}
-
- if (check_exclude_file(f,fname,&st))
- return NULL;
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ int len = basename++ - thisname;
+ if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
+ lastdir = new_array(char, len + 1);
+ memcpy(lastdir, thisname, len);
+ lastdir[len] = '\0';
+ lastdir_len = len;
+ }
+ } else
+ basename = thisname;
+ basename_len = strlen(basename) + 1; /* count the '\0' */
- if (lp_ignore_nonreadable(module_id) && access(fname, R_OK) != 0)
- return NULL;
+#ifdef SUPPORT_LINKS
+ linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
+#else
+ linkname_len = 0;
+#endif
- skip_excludes:
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
+ extra_len += EXTRA_LEN;
- if (verbose > 2)
- rprintf(FINFO,"make_file(%d,%s)\n",f,fname);
-
- file = (struct file_struct *)malloc(sizeof(*file));
- if (!file) out_of_memory("make_file");
- memset((char *)file,0,sizeof(*file));
-
- if ((p = strrchr(fname,'/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(fname, lastdir)==0) {
- file->dirname = lastdir;
- } else {
- file->dirname = strdup(fname);
- lastdir = file->dirname;
- }
- file->basename = STRDUP(ap, p+1);
- *p = '/';
- } else {
- file->dirname = NULL;
- file->basename = STRDUP(ap, fname);
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
+#endif
+
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
+ + linkname_len;
+ if (pool)
+ bp = pool_alloc(pool, alloc_len, "make_file");
+ else {
+ if (!(bp = new_array(char, alloc_len)))
+ out_of_memory("make_file");
}
- 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;
- file->dev = st.st_dev;
- file->inode = st.st_ino;
-#ifdef HAVE_ST_RDEV
- file->rdev = st.st_rdev;
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && flist && flist->prev) {
+ if (protocol_version >= 28
+ ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
+ : S_ISREG(st.st_mode)) {
+ tmp_dev = st.st_dev;
+ tmp_ino = st.st_ino;
+ } else
+ tmp_dev = 0;
+ }
#endif
-#if SUPPORT_LINKS
- if (S_ISLNK(st.st_mode)) {
- file->link = STRDUP(ap, linkbuf);
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+ if (IS_DEVICE(st.st_mode) || IS_SPECIAL(st.st_mode)) {
+ tmp_rdev = st.st_rdev;
+ st.st_size = 0;
}
#endif
- if (always_checksum) {
- file->sum = (char *)MALLOC(ap, MD4_SUM_LENGTH);
- if (!file->sum) out_of_memory("md4 sum");
- /* drat. we have to provide a null checksum for non-regular
- files in order to be compatible with earlier versions
- of rsync */
- if (S_ISREG(st.st_mode)) {
- file_checksum(fname,file->sum,st.st_size);
- } else {
- memset(file->sum, 0, MD4_SUM_LENGTH);
- }
- }
+ file->flags = flags;
+ file->modtime = st.st_mtime;
+ file->len32 = (uint32)st.st_size;
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) {
+ file->flags |= FLAG_LENGTH64;
+ OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32);
+ }
+ file->mode = st.st_mode;
+ if (uid_ndx) /* Check uid_ndx instead of preserve_uid for del support */
+ F_OWNER(file) = st.st_uid;
+ if (gid_ndx) /* Check gid_ndx instead of preserve_gid for del support */
+ F_GROUP(file) = st.st_gid;
- if (flist_dir) {
- static char *lastdir;
- if (lastdir && strcmp(lastdir, flist_dir)==0) {
- file->basedir = lastdir;
- } else {
- file->basedir = strdup(flist_dir);
- lastdir = file->basedir;
- }
- } else {
- file->basedir = NULL;
+ if (basename != thisname)
+ file->dirname = lastdir;
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len)
+ memcpy(bp + basename_len, linkname, linkname_len);
+#endif
+
+ if (always_checksum && am_sender && S_ISREG(st.st_mode))
+ file_checksum(thisname, tmp_sum, st.st_size);
+
+ if (am_sender)
+ F_PATHNAME(file) = pathname;
+ else if (!pool)
+ F_DEPTH(file) = extra_len / EXTRA_LEN;
+
+ /* This code is only used by the receiver when it is building
+ * a list of files for a delete pass. */
+ if (keep_dirlinks && linkname_len && flist) {
+ STRUCT_STAT st2;
+ int save_mode = file->mode;
+ file->mode = S_IFDIR; /* Find a directory with our name. */
+ if (flist_find(dir_flist, file) >= 0
+ && x_stat(thisname, &st2, NULL) == 0 && S_ISDIR(st2.st_mode)) {
+ file->modtime = st2.st_mtime;
+ file->len32 = 0;
+ file->mode = st2.st_mode;
+ if (uid_ndx)
+ F_OWNER(file) = st2.st_uid;
+ if (gid_ndx)
+ F_GROUP(file) = st2.st_gid;
+ } else
+ file->mode = save_mode;
+ }
+
+ if (basename_len == 0+1) {
+ if (!pool)
+ unmake_file(file);
+ return NULL;
}
- if (!S_ISDIR(st.st_mode))
- stats.total_size += st.st_size;
+ if (unsort_ndx)
+ F_NDX(file) = dir_count;
return file;
}
-
-
-void send_file_name(int f,struct file_list *flist,char *fname,
- int recursive, unsigned base_flags)
+/* Only called for temporary file_struct entries created by make_file(). */
+void unmake_file(struct file_struct *file)
{
- struct file_struct *file;
-
- file = make_file(f,fname, &flist->string_area, 0);
-
- if (!file) return;
-
- if (show_build_progress_p() & !(flist->count % 100))
- emit_build_progress(flist);
-
- if (flist->count >= flist->malloced) {
- if (flist->malloced < 1000)
- flist->malloced += 1000;
- else
- flist->malloced *= 2;
- flist->files = (struct file_struct **)realloc(flist->files,
- sizeof(flist->files[0])*
- flist->malloced);
- if (!flist->files)
- out_of_memory("send_file_name");
- }
-
- if (write_batch) /* dw */
- file->flags = FLAG_DELETE;
-
- if (strcmp(file->basename,"")) {
- flist->files[flist->count++] = file;
- send_file_entry(file,f,base_flags);
- }
-
- if (S_ISDIR(file->mode) && recursive) {
- struct exclude_struct **last_exclude_list = local_exclude_list;
- send_directory(f,flist,f_name(file));
- local_exclude_list = last_exclude_list;
- return;
- }
+ free(REQ_EXTRA(file, F_DEPTH(file)));
}
-
-
-static void send_directory(int f,struct file_list *flist,char *dir)
+static struct file_struct *send_file_name(int f, struct file_list *flist,
+ const char *fname, STRUCT_STAT *stp,
+ int flags, int filter_level)
{
- DIR *d;
- struct dirent *di;
- char fname[MAXPATHLEN];
- int l;
- char *p;
+ struct file_struct *file;
- d = opendir(dir);
- if (!d) {
- io_error = 1;
- rprintf(FERROR,"opendir(%s): %s\n",
- dir,strerror(errno));
- return;
+ file = make_file(fname, flist, stp, flags, filter_level);
+ if (!file)
+ return NULL;
+
+ if (chmod_modes && !S_ISLNK(file->mode))
+ file->mode = tweak_mode(file->mode, chmod_modes);
+
+ if (f >= 0) {
+ char fbuf[MAXPATHLEN];
+#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
+ stat_x sx;
+#endif
+
+#ifdef ICONV_OPTION
+ if (ic_send != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
+
+ INIT_CONST_XBUF(outbuf, fbuf);
+
+ if (file->dirname) {
+ INIT_XBUF_STRLEN(inbuf, (char*)file->dirname);
+ outbuf.size -= 2; /* Reserve room for '/' & 1 more char. */
+ if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0)
+ goto convert_error;
+ outbuf.size += 2;
+ outbuf.buf[outbuf.len++] = '/';
+ }
+
+ INIT_XBUF_STRLEN(inbuf, (char*)file->basename);
+ if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
+ convert_error:
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO,
+ "[%s] cannot convert filename: %s (%s)\n",
+ who_am_i(), f_name(file, fbuf), strerror(errno));
+ return NULL;
+ }
+ outbuf.buf[outbuf.len] = '\0';
+ } else
+#endif
+ f_name(file, fbuf);
+
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(file->mode)) {
+ sx.st.st_mode = file->mode;
+ sx.acc_acl = sx.def_acl = NULL;
+ if (get_acl(fname, &sx) < 0)
+ return NULL;
+ }
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs) {
+ sx.xattr = NULL;
+ if (get_xattr(fname, &sx) < 0)
+ return NULL;
+ }
+#endif
+
+ send_file_entry(f, fbuf, file, flist->used, flist->ndx_start);
+
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(file->mode)) {
+ send_acl(&sx, f);
+ free_acl(&sx);
+ }
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs) {
+ F_XATTR(file) = send_xattr(&sx, f);
+ free_xattr(&sx);
+ }
+#endif
}
- strlcpy(fname,dir,MAXPATHLEN);
- l = strlen(fname);
- if (fname[l-1] != '/') {
- if (l == MAXPATHLEN-1) {
- io_error = 1;
- rprintf(FERROR,"skipping long-named directory %s\n",fname);
- closedir(d);
+ maybe_emit_filelist_progress(flist->used + flist_count_offset);
+
+ flist_expand(flist, 1);
+ flist->files[flist->used++] = file;
+
+ return file;
+}
+
+static void send_if_directory(int f, struct file_list *flist,
+ struct file_struct *file,
+ char *fbuf, unsigned int ol,
+ int flags)
+{
+ char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/');
+
+ if (S_ISDIR(file->mode)
+ && !(file->flags & FLAG_MOUNT_DIR) && f_name(file, fbuf)) {
+ void *save_filters;
+ unsigned int len = strlen(fbuf);
+ if (len > 1 && fbuf[len-1] == '/')
+ fbuf[--len] = '\0';
+ if (len >= MAXPATHLEN - 1) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR_XFER, "skipping long-named directory: %s\n",
+ full_fname(fbuf));
return;
}
- strlcat(fname,"/", MAXPATHLEN);
- l++;
+ save_filters = push_local_filters(fbuf, len);
+ send_directory(f, flist, fbuf, len, flags);
+ pop_local_filters(save_filters);
+ fbuf[ol] = '\0';
+ if (is_dot_dir)
+ fbuf[ol-1] = '.';
}
- p = fname + strlen(fname);
+}
- local_exclude_list = NULL;
+static int file_compare(const void *file1, const void *file2)
+{
+ return f_name_cmp(*(struct file_struct **)file1,
+ *(struct file_struct **)file2);
+}
- if (cvs_exclude) {
- if (strlen(fname) + strlen(".cvsignore") <= MAXPATHLEN-1) {
- strcpy(p,".cvsignore");
- local_exclude_list = make_exclude_list(fname,NULL,0,0);
- } else {
- io_error = 1;
- rprintf(FINFO,"cannot cvs-exclude in long-named directory %s\n",fname);
- }
- }
-
- for (di=readdir(d); di; di=readdir(d)) {
+/* The guts of a merge-sort algorithm. This was derived from the glibc
+ * version, but I (Wayne) changed the merge code to do less copying and
+ * to require only half the amount of temporary memory. */
+static void fsort_tmp(struct file_struct **fp, size_t num,
+ struct file_struct **tmp)
+{
+ struct file_struct **f1, **f2, **t;
+ size_t n1, n2;
+
+ n1 = num / 2;
+ n2 = num - n1;
+ f1 = fp;
+ f2 = fp + n1;
+
+ if (n1 > 1)
+ fsort_tmp(f1, n1, tmp);
+ if (n2 > 1)
+ fsort_tmp(f2, n2, tmp);
+
+ while (f_name_cmp(*f1, *f2) <= 0) {
+ if (!--n1)
+ return;
+ f1++;
+ }
+
+ t = tmp;
+ memcpy(t, f1, n1 * PTR_SIZE);
+
+ *f1++ = *f2++, n2--;
+
+ while (n1 > 0 && n2 > 0) {
+ if (f_name_cmp(*t, *f2) <= 0)
+ *f1++ = *t++, n1--;
+ else
+ *f1++ = *f2++, n2--;
+ }
+
+ if (n1 > 0)
+ memcpy(f1, t, n1 * PTR_SIZE);
+}
+
+/* This file-struct sorting routine makes sure that any identical names in
+ * the file list stay in the same order as they were in the original list.
+ * This is particularly vital in inc_recurse mode where we expect a sort
+ * on the flist to match the exact order of a sort on the dir_flist. */
+static void fsort(struct file_struct **fp, size_t num)
+{
+ if (num <= 1)
+ return;
+
+ if (use_qsort)
+ qsort(fp, num, PTR_SIZE, file_compare);
+ else {
+ struct file_struct **tmp = new_array(struct file_struct *,
+ (num+1) / 2);
+ fsort_tmp(fp, num, tmp);
+ free(tmp);
+ }
+}
+
+/* We take an entire set of sibling dirs from the sorted flist and link them
+ * into the tree, setting the appropriate parent/child/sibling pointers. */
+static void add_dirs_to_tree(int parent_ndx, struct file_list *from_flist,
+ int dir_cnt)
+{
+ int i;
+ int32 *dp = NULL;
+ int32 *parent_dp = parent_ndx < 0 ? NULL
+ : F_DIR_NODE_P(dir_flist->sorted[parent_ndx]);
+
+ flist_expand(dir_flist, dir_cnt);
+ dir_flist->sorted = dir_flist->files;
+
+ for (i = 0; dir_cnt; i++) {
+ struct file_struct *file = from_flist->sorted[i];
+
+ if (!S_ISDIR(file->mode))
+ continue;
+
+ dir_flist->files[dir_flist->used++] = file;
+ dir_cnt--;
+
+ if (file->basename[0] == '.' && file->basename[1] == '\0')
+ continue;
+
+ if (dp)
+ DIR_NEXT_SIBLING(dp) = dir_flist->used - 1;
+ else if (parent_dp)
+ DIR_FIRST_CHILD(parent_dp) = dir_flist->used - 1;
+ else
+ send_dir_ndx = dir_flist->used - 1;
+
+ dp = F_DIR_NODE_P(file);
+ DIR_PARENT(dp) = parent_ndx;
+ DIR_FIRST_CHILD(dp) = -1;
+ }
+ if (dp)
+ DIR_NEXT_SIBLING(dp) = -1;
+}
+
+/* This function is normally called by the sender, but the receiving side also
+ * calls it from get_dirlist() with f set to -1 so that we just construct the
+ * file list in memory without sending it over the wire. Also, get_dirlist()
+ * might call this with f set to -2, which also indicates that local filter
+ * rules should be ignored. */
+static void send_directory(int f, struct file_list *flist, char *fbuf, int len,
+ int flags)
+{
+ struct dirent *di;
+ unsigned remainder;
+ char *p;
+ DIR *d;
+ int divert_dirs = (flags & FLAG_DIVERT_DIRS) != 0;
+ int start = flist->used;
+ int filter_level = f == -2 ? SERVER_FILTERS : ALL_FILTERS;
+
+ assert(flist != NULL);
+
+ if (!(d = opendir(fbuf))) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "opendir %s failed", full_fname(fbuf));
+ return;
+ }
+
+ p = fbuf + len;
+ if (len != 1 || *fbuf != '/')
+ *p++ = '/';
+ *p = '\0';
+ remainder = MAXPATHLEN - (p - fbuf);
+
+ for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
char *dname = d_name(di);
- if (strcmp(dname,".")==0 ||
- strcmp(dname,"..")==0)
+ if (dname[0] == '.' && (dname[1] == '\0'
+ || (dname[1] == '.' && dname[2] == '\0')))
+ continue;
+ if (strlcpy(p, dname, remainder) >= remainder) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO,
+ "cannot send long-named file %s\n",
+ full_fname(fbuf));
continue;
- strlcpy(p,dname,MAXPATHLEN-l);
- send_file_name(f,flist,fname,recurse,0);
+ }
+ if (dname[0] == '\0') {
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO,
+ "cannot send file with empty name in %s\n",
+ full_fname(fbuf));
+ continue;
+ }
+
+ send_file_name(f, flist, fbuf, NULL, flags, filter_level);
}
- if (local_exclude_list) {
- add_exclude_list("!", &local_exclude_list, 0);
+ fbuf[len] = '\0';
+
+ if (errno) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "readdir(%s)", full_fname(fbuf));
}
closedir(d);
-}
+ if (f >= 0 && recurse && !divert_dirs) {
+ int i, end = flist->used - 1;
+ /* send_if_directory() bumps flist->used, so use "end". */
+ for (i = start; i <= end; i++)
+ send_if_directory(f, flist, flist->files[i], fbuf, len, flags);
+ }
+}
-/*
- *
- * I *think* f==-1 means that the list should just be built in memory
- * and not transmitted. But who can tell? -- mbp
- */
-struct file_list *send_file_list(int f,int argc,char *argv[])
+static void send_implied_dirs(int f, struct file_list *flist, char *fname,
+ char *start, char *limit, int flags, char name_type)
{
- int i,l;
- STRUCT_STAT st;
- char *p,*dir,*olddir;
- char lastpath[MAXPATHLEN]="";
- struct file_list *flist;
- int64 start_write;
+ static char lastpath[MAXPATHLEN] = "";
+ static int lastpath_len = 0;
+ static struct file_struct *lastpath_struct = NULL;
+ struct file_struct *file;
+ item_list *relname_list;
+ relnamecache **rnpp;
+ int len, need_new_dir, depth = 0;
+ struct filter_list_struct save_filter_list = filter_list;
+
+ flags = (flags | FLAG_IMPLIED_DIR) & ~(FLAG_TOP_DIR | FLAG_CONTENT_DIR);
+ filter_list.head = filter_list.tail = NULL; /* Don't filter implied dirs. */
+
+ if (inc_recurse) {
+ if (lastpath_struct && F_PATHNAME(lastpath_struct) == pathname
+ && lastpath_len == limit - fname
+ && strncmp(lastpath, fname, lastpath_len) == 0)
+ need_new_dir = 0;
+ else
+ need_new_dir = 1;
+ } else {
+ char *tp = fname, *lp = lastpath;
+ /* Skip any initial directories in our path that we
+ * have in common with lastpath. */
+ assert(start == fname);
+ for ( ; ; tp++, lp++) {
+ if (tp == limit) {
+ if (*lp == '/' || *lp == '\0')
+ goto done;
+ break;
+ }
+ if (*lp != *tp)
+ break;
+ if (*tp == '/') {
+ start = tp;
+ depth++;
+ }
+ }
+ need_new_dir = 1;
+ }
+
+ if (need_new_dir) {
+ int save_copy_links = copy_links;
+ int save_xfer_dirs = xfer_dirs;
+ char *slash;
+
+ copy_links = xfer_dirs = 1;
+
+ *limit = '\0';
+
+ for (slash = start; (slash = strchr(slash+1, '/')) != NULL; ) {
+ *slash = '\0';
+ file = send_file_name(f, flist, fname, NULL, flags, ALL_FILTERS);
+ depth++;
+ if (!inc_recurse && file && S_ISDIR(file->mode))
+ change_local_filter_dir(fname, strlen(fname), depth);
+ *slash = '/';
+ }
+
+ file = send_file_name(f, flist, fname, NULL, flags, ALL_FILTERS);
+ if (inc_recurse) {
+ if (file && !S_ISDIR(file->mode))
+ file = NULL;
+ lastpath_struct = file;
+ } else if (file && S_ISDIR(file->mode))
+ change_local_filter_dir(fname, strlen(fname), ++depth);
+
+ strlcpy(lastpath, fname, sizeof lastpath);
+ lastpath_len = limit - fname;
- if (verbose && recurse && !am_server && f != -1) {
- rprintf(FINFO, RSYNC_NAME ": building file list...\n");
- if (verbose > 1)
- rprintf(FINFO, "\n");
- rflush(FINFO);
+ *limit = '/';
+
+ copy_links = save_copy_links;
+ xfer_dirs = save_xfer_dirs;
+
+ if (!inc_recurse)
+ goto done;
}
- start_write = stats.total_written;
+ if (!lastpath_struct)
+ goto done; /* dir must have vanished */
- flist = flist_new();
+ len = strlen(limit+1);
+ memcpy(&relname_list, F_DIR_RELNAMES_P(lastpath_struct), sizeof relname_list);
+ if (!relname_list) {
+ if (!(relname_list = new0(item_list)))
+ out_of_memory("send_implied_dirs");
+ memcpy(F_DIR_RELNAMES_P(lastpath_struct), &relname_list, sizeof relname_list);
+ }
+ rnpp = EXPAND_ITEM_LIST(relname_list, relnamecache *, 32);
+ if (!(*rnpp = (relnamecache*)new_array(char, sizeof (relnamecache) + len)))
+ out_of_memory("send_implied_dirs");
+ (*rnpp)->name_type = name_type;
+ strlcpy((*rnpp)->fname, limit+1, len + 1);
+
+done:
+ filter_list = save_filter_list;
+}
- if (f != -1) {
- io_start_buffering(f);
+static void send1extra(int f, struct file_struct *file, struct file_list *flist)
+{
+ char fbuf[MAXPATHLEN];
+ item_list *relname_list;
+ int len, dlen, flags = FLAG_DIVERT_DIRS | FLAG_CONTENT_DIR;
+ size_t j;
+
+ f_name(file, fbuf);
+ dlen = strlen(fbuf);
+
+ if (!change_pathname(file, NULL, 0))
+ exit_cleanup(RERR_FILESELECT);
+
+ change_local_filter_dir(fbuf, dlen, send_dir_depth);
+
+ if (file->flags & FLAG_CONTENT_DIR) {
+ if (one_file_system) {
+ STRUCT_STAT st;
+ if (link_stat(fbuf, &st, copy_dirlinks) != 0) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "link_stat %s failed",
+ full_fname(fbuf));
+ return;
+ }
+ filesystem_dev = st.st_dev;
+ }
+ send_directory(f, flist, fbuf, dlen, flags);
}
- for (i=0;i<argc;i++) {
- char *fname = topsrcname;
+ if (!relative_paths)
+ return;
- strlcpy(fname,argv[i],MAXPATHLEN);
+ memcpy(&relname_list, F_DIR_RELNAMES_P(file), sizeof relname_list);
+ if (!relname_list)
+ return;
- l = strlen(fname);
- if (l != 1 && fname[l-1] == '/') {
- if ((l == 2) && (fname[0] == '.')) {
- /* Turn ./ into just . rather than ./.
- This was put in to avoid a problem with
- rsync -aR --delete from ./
- The send_file_name() below of ./ was
- mysteriously preventing deletes */
- fname[1] = 0;
- } else {
- strlcat(fname,".",MAXPATHLEN);
+ for (j = 0; j < relname_list->count; j++) {
+ char *slash;
+ relnamecache *rnp = ((relnamecache**)relname_list->items)[j];
+ char name_type = rnp->name_type;
+
+ fbuf[dlen] = '/';
+ len = strlcpy(fbuf + dlen + 1, rnp->fname, sizeof fbuf - dlen - 1);
+ free(rnp);
+ if (len >= (int)sizeof fbuf)
+ continue; /* Impossible... */
+
+ slash = strchr(fbuf+dlen+1, '/');
+ if (slash) {
+ send_implied_dirs(f, flist, fbuf, fbuf+dlen+1, slash, flags, name_type);
+ continue;
+ }
+
+ if (name_type != NORMAL_NAME) {
+ STRUCT_STAT st;
+ if (link_stat(fbuf, &st, 1) != 0) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "link_stat %s failed",
+ full_fname(fbuf));
+ continue;
}
+ send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR | flags, ALL_FILTERS);
+ } else
+ send_file_name(f, flist, fbuf, NULL, FLAG_TOP_DIR | flags, ALL_FILTERS);
+ }
+
+ free(relname_list);
+}
+
+void send_extra_file_list(int f, int at_least)
+{
+ struct file_list *flist;
+ int64 start_write;
+ uint16 prev_flags;
+ int old_cnt, save_io_error = io_error;
+
+ if (flist_eof)
+ return;
+
+ /* Keep sending data until we have the requested number of
+ * files in the upcoming file-lists. */
+ old_cnt = cur_flist->used;
+ for (flist = first_flist; flist != cur_flist; flist = flist->next)
+ old_cnt += flist->used;
+ while (file_total - old_cnt < at_least) {
+ struct file_struct *file = dir_flist->sorted[send_dir_ndx];
+ int dir_ndx, dstart = dir_count;
+ const char *pathname = F_PATHNAME(file);
+ int32 *dp;
+
+ flist = flist_new(0, "send_extra_file_list");
+ start_write = stats.total_written;
+
+ if (unsort_ndx)
+ dir_ndx = F_NDX(file);
+ else
+ dir_ndx = send_dir_ndx;
+ write_ndx(f, NDX_FLIST_OFFSET - dir_ndx);
+ flist->parent_ndx = dir_ndx;
+
+ send1extra(f, file, flist);
+ prev_flags = file->flags;
+ dp = F_DIR_NODE_P(file);
+
+ /* If there are any duplicate directory names that follow, we
+ * send all the dirs together in one file-list. The dir_flist
+ * tree links all the child subdirs onto the last dup dir. */
+ while ((dir_ndx = DIR_NEXT_SIBLING(dp)) >= 0
+ && dir_flist->sorted[dir_ndx]->flags & FLAG_DUPLICATE) {
+ send_dir_ndx = dir_ndx;
+ file = dir_flist->sorted[dir_ndx];
+ /* Try to avoid some duplicate scanning of identical dirs. */
+ if (F_PATHNAME(file) == pathname && prev_flags & FLAG_CONTENT_DIR)
+ file->flags &= ~FLAG_CONTENT_DIR;
+ send1extra(f, file, flist);
+ prev_flags = file->flags;
+ dp = F_DIR_NODE_P(file);
}
- if (link_stat(fname,&st) != 0) {
- if (f != -1) {
- io_error=1;
- rprintf(FERROR,"link_stat %s : %s\n",fname,strerror(errno));
+ write_byte(f, 0);
+
+ if (need_unsorted_flist) {
+ if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
+ out_of_memory("send_extra_file_list");
+ memcpy(flist->sorted, flist->files,
+ flist->used * sizeof (struct file_struct*));
+ } else
+ flist->sorted = flist->files;
+
+ flist_sort_and_clean(flist, 0);
+
+ add_dirs_to_tree(send_dir_ndx, flist, dir_count - dstart);
+ flist_done_allocating(flist);
+
+ file_total += flist->used;
+ stats.flist_size += stats.total_written - start_write;
+ stats.num_files += flist->used;
+ if (verbose > 3)
+ output_flist(flist);
+
+ if (DIR_FIRST_CHILD(dp) >= 0) {
+ send_dir_ndx = DIR_FIRST_CHILD(dp);
+ send_dir_depth++;
+ } else {
+ while (DIR_NEXT_SIBLING(dp) < 0) {
+ if ((send_dir_ndx = DIR_PARENT(dp)) < 0) {
+ write_ndx(f, NDX_FLIST_EOF);
+ flist_eof = 1;
+ change_local_filter_dir(NULL, 0, 0);
+ goto finish;
+ }
+ send_dir_depth--;
+ file = dir_flist->sorted[send_dir_ndx];
+ dp = F_DIR_NODE_P(file);
}
- continue;
+ send_dir_ndx = DIR_NEXT_SIBLING(dp);
}
+ }
- if (S_ISDIR(st.st_mode) && !recurse) {
- rprintf(FINFO,"skipping directory %s\n",fname);
- continue;
+ finish:
+ if (io_error != save_io_error && !ignore_errors)
+ send_msg_int(MSG_IO_ERROR, io_error);
+}
+
+struct file_list *send_file_list(int f, int argc, char *argv[])
+{
+ static const char *lastdir;
+ static int lastdir_len = -1;
+ int len, dirlen;
+ STRUCT_STAT st;
+ char *p, *dir;
+ struct file_list *flist;
+ struct timeval start_tv, end_tv;
+ int64 start_write;
+ int use_ff_fd = 0;
+ int disable_buffering;
+ int arg_flags, flags = recurse ? FLAG_CONTENT_DIR : 0;
+ int reading_remotely = filesfrom_host != NULL;
+ int rl_flags = (reading_remotely ? 0 : RL_DUMP_COMMENTS)
+#ifdef ICONV_OPTION
+ | (filesfrom_convert ? RL_CONVERT : 0)
+#endif
+ | (eol_nulls || reading_remotely ? RL_EOL_NULLS : 0);
+ int implied_dot_dir = 0;
+
+ rprintf(FLOG, "building file list\n");
+ if (show_filelist_p())
+ start_filelist_progress("building file list");
+ else if (inc_recurse && verbose && !am_server)
+ rprintf(FCLIENT, "sending incremental file list\n");
+
+ start_write = stats.total_written;
+ gettimeofday(&start_tv, NULL);
+
+ if (!orig_dir)
+ orig_dir = strdup(curr_dir);
+
+ if (relative_paths && protocol_version >= 30)
+ implied_dirs = 1; /* We send flagged implied dirs */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version >= 30 && !cur_flist)
+ init_hard_links();
+#endif
+
+ flist = cur_flist = flist_new(0, "send_file_list");
+ if (inc_recurse) {
+ dir_flist = flist_new(FLIST_TEMP, "send_file_list");
+ flags |= FLAG_DIVERT_DIRS;
+ } else
+ dir_flist = cur_flist;
+
+ disable_buffering = io_start_buffering_out(f);
+ if (filesfrom_fd >= 0) {
+ if (argv[0] && !change_dir(argv[0], CD_NORMAL)) {
+ rsyserr(FERROR_XFER, errno, "change_dir %s failed",
+ full_fname(argv[0]));
+ exit_cleanup(RERR_FILESELECT);
}
+ use_ff_fd = 1;
+ }
+
+ while (1) {
+ char fbuf[MAXPATHLEN], *fn, name_type;
+
+ if (use_ff_fd) {
+ if (read_line(filesfrom_fd, fbuf, sizeof fbuf, rl_flags) == 0)
+ break;
+ sanitize_path(fbuf, fbuf, "", 0, SP_KEEP_DOT_DIRS);
+ } else {
+ if (argc-- == 0)
+ break;
+ strlcpy(fbuf, *argv++, MAXPATHLEN);
+ if (sanitize_paths)
+ sanitize_path(fbuf, fbuf, "", 0, SP_KEEP_DOT_DIRS);
+ }
+
+ len = strlen(fbuf);
+ if (relative_paths) {
+ /* We clean up fbuf below. */
+ name_type = NORMAL_NAME;
+ } else if (!len || fbuf[len - 1] == '/') {
+ if (len == 2 && fbuf[0] == '.') {
+ /* Turn "./" into just "." rather than "./." */
+ fbuf[--len] = '\0';
+ } else {
+ if (len + 1 >= MAXPATHLEN)
+ overflow_exit("send_file_list");
+ fbuf[len++] = '.';
+ fbuf[len] = '\0';
+ }
+ name_type = DOTDIR_NAME;
+ } else if (len > 1 && fbuf[len-1] == '.' && fbuf[len-2] == '.'
+ && (len == 2 || fbuf[len-3] == '/')) {
+ if (len + 2 >= MAXPATHLEN)
+ overflow_exit("send_file_list");
+ fbuf[len++] = '/';
+ fbuf[len++] = '.';
+ fbuf[len] = '\0';
+ name_type = DOTDIR_NAME;
+ } else if (fbuf[len-1] == '.' && (len == 1 || fbuf[len-2] == '/'))
+ name_type = DOTDIR_NAME;
+ else
+ name_type = NORMAL_NAME;
dir = NULL;
- olddir = NULL;
if (!relative_paths) {
- p = strrchr(fname,'/');
+ p = strrchr(fbuf, '/');
if (p) {
- *p = 0;
- if (p == fname)
+ *p = '\0';
+ if (p == fbuf)
+ dir = "/";
+ else
+ dir = fbuf;
+ len -= p - fbuf + 1;
+ fn = p + 1;
+ } else
+ fn = fbuf;
+ } else {
+ if ((p = strstr(fbuf, "/./")) != NULL) {
+ *p = '\0';
+ if (p == fbuf)
dir = "/";
+ else {
+ dir = fbuf;
+ clean_fname(dir, 0);
+ }
+ fn = p + 3;
+ while (*fn == '/')
+ fn++;
+ if (!*fn)
+ *--fn = '\0'; /* ensure room for '.' */
+ } else
+ fn = fbuf;
+ /* A leading ./ can be used in relative mode to affect
+ * the dest dir without its name being in the path. */
+ if (*fn == '.' && fn[1] == '/' && !implied_dot_dir) {
+ send_file_name(f, flist, ".", NULL,
+ (flags | FLAG_IMPLIED_DIR) & ~FLAG_CONTENT_DIR,
+ ALL_FILTERS);
+ implied_dot_dir = 1;
+ }
+ len = clean_fname(fn, CFN_KEEP_TRAILING_SLASH
+ | CFN_DROP_TRAILING_DOT_DIR);
+ if (len == 1) {
+ if (fn[0] == '/') {
+ fn = "/.";
+ len = 2;
+ name_type = DOTDIR_NAME;
+ } else if (fn[0] == '.')
+ name_type = DOTDIR_NAME;
+ } else if (fn[len-1] == '/') {
+ fn[--len] = '\0';
+ if (len == 1 && *fn == '.')
+ name_type = DOTDIR_NAME;
else
- dir = fname;
- fname = p+1;
+ name_type = SLASH_ENDING_NAME;
}
- } else if (f != -1 && (p=strrchr(fname,'/'))) {
- /* this ensures we send the intermediate directories,
- thus getting their permissions right */
- *p = 0;
- if (strcmp(lastpath,fname)) {
- strlcpy(lastpath, fname, sizeof(lastpath));
- *p = '/';
- for (p=fname+1; (p=strchr(p,'/')); p++) {
- int copy_links_saved = copy_links;
- int recurse_saved = recurse;
- *p = 0;
- copy_links = copy_unsafe_links;
- /* set recurse to 1 to prevent make_file
- from ignoring directory, but still
- turn off the recursive parameter to
- send_file_name */
- recurse = 1;
- send_file_name(f, flist, fname, 0, 0);
- copy_links = copy_links_saved;
- recurse = recurse_saved;
- *p = '/';
+ /* Reject a ".." dir in the active part of the path. */
+ for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) {
+ if ((p[2] == '/' || p[2] == '\0')
+ && (p == fn || p[-1] == '/')) {
+ rprintf(FERROR,
+ "found \"..\" dir in relative path: %s\n",
+ fn);
+ exit_cleanup(RERR_SYNTAX);
}
- } else {
- *p = '/';
}
}
-
- if (!*fname)
- fname = ".";
-
- if (dir && *dir) {
- olddir = push_dir(dir, 1);
-
- if (!olddir) {
- io_error=1;
- rprintf(FERROR,"push_dir %s : %s\n",
- dir,strerror(errno));
+
+ if (!*fn) {
+ len = 1;
+ fn = ".";
+ name_type = DOTDIR_NAME;
+ }
+
+ dirlen = dir ? strlen(dir) : 0;
+ if (dirlen != lastdir_len || memcmp(lastdir, dir, dirlen) != 0) {
+ if (!change_pathname(NULL, dir, -dirlen))
continue;
- }
+ lastdir = pathname;
+ lastdir_len = pathname_len;
+ } else if (!change_pathname(NULL, lastdir, lastdir_len))
+ continue;
+
+ if (fn != fbuf)
+ memmove(fbuf, fn, len + 1);
- flist_dir = dir;
+ if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0
+ || (name_type != DOTDIR_NAME && is_daemon_excluded(fbuf, S_ISDIR(st.st_mode)))
+ || (relative_paths && path_is_daemon_excluded(fbuf, 1))) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR_XFER, errno, "link_stat %s failed",
+ full_fname(fbuf));
+ continue;
}
-
- if (one_file_system)
- set_filesystem(fname);
- send_file_name(f,flist,fname,recurse,FLAG_DELETE);
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", fbuf);
+ continue;
+ }
- if (olddir != NULL) {
- flist_dir = NULL;
- if (pop_dir(olddir) != 0) {
- rprintf(FERROR,"pop_dir %s : %s\n",
- dir,strerror(errno));
- exit_cleanup(RERR_FILESELECT);
+ if (inc_recurse && relative_paths && *fbuf) {
+ if ((p = strchr(fbuf+1, '/')) != NULL
+ && !is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS)) {
+ if (p - fbuf == 1 && *fbuf == '.') {
+ if ((fn = strchr(p+1, '/')) != NULL)
+ p = fn;
+ } else
+ fn = p;
+ send_implied_dirs(f, flist, fbuf, fbuf, p, flags, name_type);
+ if (fn == p)
+ continue;
}
+ } else if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf
+ && !is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS)) {
+ /* Send the implied directories at the start of the
+ * source spec, so we get their permissions right. */
+ send_implied_dirs(f, flist, fbuf, fbuf, p, flags, 0);
}
- }
- topsrcname[0] = '\0';
+ if (one_file_system)
+ filesystem_dev = st.st_dev;
- if (f != -1) {
- send_file_entry(NULL,f,0);
- }
+ arg_flags = name_type == DOTDIR_NAME ? FLAG_DOTDIR_NAME : 0;
- finish_build_progress(flist);
-
- clean_flist(flist, 0);
-
- /* now send the uid/gid list. This was introduced in protocol
- version 15 */
- if (f != -1 && remote_version >= 15) {
- send_uid_list(f);
+ if (recurse || (xfer_dirs && name_type != NORMAL_NAME)) {
+ struct file_struct *file;
+ arg_flags |= FLAG_TOP_DIR | FLAG_CONTENT_DIR;
+ file = send_file_name(f, flist, fbuf, &st,
+ arg_flags | flags, ALL_FILTERS);
+ if (!file)
+ continue;
+ if (inc_recurse) {
+ if (name_type == DOTDIR_NAME) {
+ if (send_dir_depth < 0) {
+ send_dir_depth = 0;
+ change_local_filter_dir(fbuf, len, send_dir_depth);
+ }
+ send_directory(f, flist, fbuf, len, flags);
+ }
+ } else
+ send_if_directory(f, flist, file, fbuf, len, flags);
+ } else
+ send_file_name(f, flist, fbuf, &st, arg_flags | flags, ALL_FILTERS);
}
- /* if protocol version is >= 17 then send the io_error flag */
- if (f != -1 && remote_version >= 17) {
- extern int module_id;
- write_int(f, lp_ignore_errors(module_id)? 0 : io_error);
- }
+ gettimeofday(&end_tv, NULL);
+ stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
+ if (stats.flist_buildtime == 0)
+ stats.flist_buildtime = 1;
+ start_tv = end_tv;
- if (f != -1) {
- io_end_buffering(f);
- stats.flist_size = stats.total_written - start_write;
- stats.num_files = flist->count;
- if (write_batch) /* dw */
- write_batch_flist_info(flist->count, flist->files);
- }
+ write_byte(f, 0); /* Indicate end of file list */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version >= 30 && !inc_recurse)
+ idev_destroy();
+#endif
+
+ if (show_filelist_p())
+ finish_filelist_progress(flist);
+
+ gettimeofday(&end_tv, NULL);
+ stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
+
+ /* When converting names, both sides keep an unsorted file-list array
+ * because the names will differ on the sending and receiving sides
+ * (both sides will use the unsorted index number for each item). */
+
+ /* Sort the list without removing any duplicates. This allows the
+ * receiving side to ask for whatever name it kept. For incremental
+ * recursion mode, the sender marks duplicate dirs so that it can
+ * send them together in a single file-list. */
+ if (need_unsorted_flist) {
+ if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
+ out_of_memory("send_file_list");
+ memcpy(flist->sorted, flist->files,
+ flist->used * sizeof (struct file_struct*));
+ } else
+ flist->sorted = flist->files;
+ flist_sort_and_clean(flist, 0);
+ file_total += flist->used;
+
+ if (numeric_ids <= 0 && !inc_recurse)
+ send_id_list(f);
+
+ /* send the io_error flag */
+ if (protocol_version < 30)
+ write_int(f, ignore_errors ? 0 : io_error);
+ else if (io_error && !ignore_errors)
+ send_msg_int(MSG_IO_ERROR, io_error);
+
+ if (disable_buffering)
+ io_end_buffering_out();
+
+ stats.flist_size = stats.total_written - start_write;
+ stats.num_files = flist->used;
+
+ if (verbose > 3)
+ output_flist(flist);
if (verbose > 2)
- rprintf(FINFO,"send_file_list done\n");
+ rprintf(FINFO, "send_file_list done\n");
+
+ if (inc_recurse) {
+ send_dir_depth = 1;
+ add_dirs_to_tree(-1, flist, dir_count);
+ if (!file_total || strcmp(flist->sorted[0]->basename, ".") != 0)
+ flist->parent_ndx = -1;
+ flist_done_allocating(flist);
+ if (send_dir_ndx < 0) {
+ write_ndx(f, NDX_FLIST_EOF);
+ flist_eof = 1;
+ }
+ else if (file_total == 1) {
+ /* If we're creating incremental file-lists and there
+ * was just 1 item in the first file-list, send 1 more
+ * file-list to check if this is a 1-file xfer. */
+ send_extra_file_list(f, 1);
+ }
+ }
return flist;
}
-
struct file_list *recv_file_list(int f)
{
- struct file_list *flist;
- unsigned char flags;
- int64 start_read;
- extern int list_only;
-
- if (verbose && recurse && !am_server) {
- rprintf(FINFO,"receiving file list ... ");
- rflush(FINFO);
- }
-
- start_read = stats.total_read;
-
- flist = (struct file_list *)malloc(sizeof(flist[0]));
- if (!flist)
- goto oom;
-
- flist->count=0;
- flist->malloced=1000;
- flist->files = (struct file_struct **)malloc(sizeof(flist->files[0])*
- flist->malloced);
- if (!flist->files)
- goto oom;
-
+ struct file_list *flist;
+ int dstart, flags;
+ int64 start_read;
- for (flags=read_byte(f); flags; flags=read_byte(f)) {
- int i = flist->count;
+ if (!first_flist)
+ rprintf(FLOG, "receiving file list\n");
+ if (show_filelist_p())
+ start_filelist_progress("receiving file list");
+ else if (inc_recurse && verbose && !am_server && !first_flist)
+ rprintf(FCLIENT, "receiving incremental file list\n");
- if (i >= flist->malloced) {
- if (flist->malloced < 1000)
- flist->malloced += 1000;
- else
- flist->malloced *= 2;
- flist->files =(struct file_struct **)realloc(flist->files,
- sizeof(flist->files[0])*
- flist->malloced);
- if (!flist->files)
- goto oom;
- }
+ start_read = stats.total_read;
- receive_file_entry(&flist->files[i],flags,f);
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && !first_flist)
+ init_hard_links();
+#endif
- if (S_ISREG(flist->files[i]->mode))
- stats.total_size += flist->files[i]->length;
+ flist = flist_new(0, "recv_file_list");
- flist->count++;
+ if (inc_recurse) {
+ if (flist->ndx_start == 1)
+ dir_flist = flist_new(FLIST_TEMP, "recv_file_list");
+ dstart = dir_flist->used;
+ } else {
+ dir_flist = flist;
+ dstart = 0;
+ }
- if (verbose > 2)
- rprintf(FINFO,"recv_file_name(%s)\n",f_name(flist->files[i]));
- }
+ while ((flags = read_byte(f)) != 0) {
+ struct file_struct *file;
+ flist_expand(flist, 1);
- if (verbose > 2)
- rprintf(FINFO,"received %d names\n",flist->count);
+ if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
+ flags |= read_byte(f) << 8;
+ file = recv_file_entry(flist, flags, f);
- clean_flist(flist, relative_paths);
+ if (inc_recurse && S_ISDIR(file->mode)) {
+ flist_expand(dir_flist, 1);
+ dir_flist->files[dir_flist->used++] = file;
+ }
- if (verbose && recurse && !am_server) {
- rprintf(FINFO,"done\n");
- }
+ flist->files[flist->used++] = file;
- /* now recv the uid/gid list. This was introduced in protocol version 15 */
- if (f != -1 && remote_version >= 15) {
- recv_uid_list(f, flist);
- }
+ maybe_emit_filelist_progress(flist->used);
- /* if protocol version is >= 17 then recv the io_error flag */
- if (f != -1 && remote_version >= 17 && !read_batch) { /* dw-added readbatch */
- extern int module_id;
- extern int ignore_errors;
- if (lp_ignore_errors(module_id) || ignore_errors) {
- read_int(f);
- } else {
- io_error |= read_int(f);
- }
- }
+ if (verbose > 2) {
+ rprintf(FINFO, "recv_file_name(%s)\n",
+ f_name(file, NULL));
+ }
+ }
+ file_total += flist->used;
- if (list_only) {
- int i;
- for (i=0;i<flist->count;i++) {
- list_file_entry(flist->files[i]);
- }
- }
+ if (verbose > 2)
+ rprintf(FINFO, "received %d names\n", flist->used);
+
+ if (show_filelist_p())
+ finish_filelist_progress(flist);
+
+ if (need_unsorted_flist) {
+ /* Create an extra array of index pointers that we can sort for
+ * the generator's use (for wading through the files in sorted
+ * order and for calling flist_find()). We keep the "files"
+ * list unsorted for our exchange of index numbers with the
+ * other side (since their names may not sort the same). */
+ if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
+ out_of_memory("recv_file_list");
+ memcpy(flist->sorted, flist->files,
+ flist->used * sizeof (struct file_struct*));
+ if (inc_recurse && dir_flist->used > dstart) {
+ static int dir_flist_malloced = 0;
+ if (dir_flist_malloced < dir_flist->malloced) {
+ dir_flist->sorted = realloc_array(dir_flist->sorted,
+ struct file_struct *,
+ dir_flist->malloced);
+ dir_flist_malloced = dir_flist->malloced;
+ }
+ memcpy(dir_flist->sorted + dstart, dir_flist->files + dstart,
+ (dir_flist->used - dstart) * sizeof (struct file_struct*));
+ fsort(dir_flist->sorted + dstart, dir_flist->used - dstart);
+ }
+ } else {
+ flist->sorted = flist->files;
+ if (inc_recurse && dir_flist->used > dstart) {
+ dir_flist->sorted = dir_flist->files;
+ fsort(dir_flist->sorted + dstart, dir_flist->used - dstart);
+ }
+ }
+ if (inc_recurse)
+ flist_done_allocating(flist);
+ else if (f >= 0)
+ recv_id_list(f, flist);
+
+ flist_sort_and_clean(flist, relative_paths);
+
+ if (protocol_version < 30) {
+ /* Recv the io_error flag */
+ if (ignore_errors)
+ read_int(f);
+ else
+ io_error |= read_int(f);
+ } else if (inc_recurse && flist->ndx_start == 1) {
+ if (!file_total || strcmp(flist->sorted[0]->basename, ".") != 0)
+ flist->parent_ndx = -1;
+ }
- if (verbose > 2)
- rprintf(FINFO,"recv_file_list done\n");
+ if (verbose > 3)
+ output_flist(flist);
- stats.flist_size = stats.total_read - start_read;
- stats.num_files = flist->count;
+ if (verbose > 2)
+ rprintf(FINFO, "recv_file_list done\n");
- return flist;
+ stats.flist_size += stats.total_read - start_read;
+ stats.num_files += flist->used;
-oom:
- out_of_memory("recv_file_list");
- return NULL; /* not reached */
+ return flist;
}
-
-int file_compare(struct file_struct **f1,struct file_struct **f2)
+/* This is only used once by the receiver if the very first file-list
+ * has exactly one item in it. */
+void recv_additional_file_list(int f)
{
- if (!(*f1)->basename && !(*f2)->basename) return 0;
- if (!(*f1)->basename) return -1;
- if (!(*f2)->basename) return 1;
- if ((*f1)->dirname == (*f2)->dirname)
- return u_strcmp((*f1)->basename, (*f2)->basename);
- return u_strcmp(f_name(*f1),f_name(*f2));
+ struct file_list *flist;
+ int ndx = read_ndx(f);
+ if (ndx == NDX_FLIST_EOF) {
+ flist_eof = 1;
+ change_local_filter_dir(NULL, 0, 0);
+ } else {
+ ndx = NDX_FLIST_OFFSET - ndx;
+ if (ndx < 0 || ndx >= dir_flist->used) {
+ ndx = NDX_FLIST_OFFSET - ndx;
+ rprintf(FERROR,
+ "[%s] Invalid dir index: %d (%d - %d)\n",
+ who_am_i(), ndx, NDX_FLIST_OFFSET,
+ NDX_FLIST_OFFSET - dir_flist->used + 1);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (verbose > 3) {
+ rprintf(FINFO, "[%s] receiving flist for dir %d\n",
+ who_am_i(), ndx);
+ }
+ flist = recv_file_list(f);
+ flist->parent_ndx = ndx;
+ }
}
-
-int flist_find(struct file_list *flist,struct file_struct *f)
+/* Search for an identically-named item in the file list. Note that the
+ * items must agree in their directory-ness, or no match is returned. */
+int flist_find(struct file_list *flist, struct file_struct *f)
{
- int low=0,high=flist->count-1;
-
- if (flist->count <= 0) return -1;
-
- while (low != high) {
- int mid = (low+high)/2;
- int ret = file_compare(&flist->files[flist_up(flist, mid)],&f);
- if (ret == 0) return flist_up(flist, mid);
- if (ret > 0) {
- high=mid;
- } else {
- low=mid+1;
+ int low = flist->low, high = flist->high;
+ int diff, mid, mid_up;
+
+ while (low <= high) {
+ mid = (low + high) / 2;
+ if (F_IS_ACTIVE(flist->sorted[mid]))
+ mid_up = mid;
+ else {
+ /* Scan for the next non-empty entry using the cached
+ * distance values. If the value isn't fully up-to-
+ * date, update it. */
+ mid_up = mid + F_DEPTH(flist->sorted[mid]);
+ if (!F_IS_ACTIVE(flist->sorted[mid_up])) {
+ do {
+ mid_up += F_DEPTH(flist->sorted[mid_up]);
+ } while (!F_IS_ACTIVE(flist->sorted[mid_up]));
+ F_DEPTH(flist->sorted[mid]) = mid_up - mid;
+ }
+ if (mid_up > high) {
+ /* If there's nothing left above us, set high to
+ * a non-empty entry below us and continue. */
+ high = mid - (int)flist->sorted[mid]->len32;
+ if (!F_IS_ACTIVE(flist->sorted[high])) {
+ do {
+ high -= (int)flist->sorted[high]->len32;
+ } while (!F_IS_ACTIVE(flist->sorted[high]));
+ flist->sorted[mid]->len32 = mid - high;
+ }
+ continue;
+ }
+ }
+ diff = f_name_cmp(flist->sorted[mid_up], f);
+ if (diff == 0) {
+ if (protocol_version < 29
+ && S_ISDIR(flist->sorted[mid_up]->mode)
+ != S_ISDIR(f->mode))
+ return -1;
+ return mid_up;
}
+ if (diff < 0)
+ low = mid_up + 1;
+ else
+ high = mid - 1;
}
-
- if (file_compare(&flist->files[flist_up(flist,low)],&f) == 0)
- return flist_up(flist,low);
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(struct file_struct *file)
{
- if (!file) return;
- if (file->basename) free(file->basename);
- if (file->link) free(file->link);
- if (file->sum) free(file->sum);
- *file = null_file;
+ /* The +1 zeros out the first char of the basename. */
+ memset(file, 0, FILE_STRUCT_LEN + 1);
+ /* In an empty entry, F_DEPTH() is an offset to the next non-empty
+ * entry. Likewise for len32 in the opposite direction. We assume
+ * that we're alone for now since flist_find() will adjust the counts
+ * it runs into that aren't up-to-date. */
+ file->len32 = F_DEPTH(file) = 1;
}
-
-/*
- * allocate a new file list
- */
-struct file_list *flist_new()
+/* Allocate a new file list. */
+struct file_list *flist_new(int flags, char *msg)
{
struct file_list *flist;
- flist = (struct file_list *)malloc(sizeof(flist[0]));
- if (!flist) out_of_memory("send_file_list");
+ if (!(flist = new0(struct file_list)))
+ out_of_memory(msg);
+
+ if (flags & FLIST_TEMP) {
+ if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0,
+ out_of_memory, POOL_INTERN)))
+ out_of_memory(msg);
+ } else {
+ /* This is a doubly linked list with prev looping back to
+ * the end of the list, but the last next pointer is NULL. */
+ if (!first_flist) {
+ flist->file_pool = pool_create(NORMAL_EXTENT, 0,
+ out_of_memory, POOL_INTERN);
+ if (!flist->file_pool)
+ out_of_memory(msg);
+
+ flist->ndx_start = flist->flist_num = inc_recurse ? 1 : 0;
+
+ first_flist = cur_flist = flist->prev = flist;
+ } else {
+ struct file_list *prev = first_flist->prev;
+
+ flist->file_pool = first_flist->file_pool;
+
+ flist->ndx_start = prev->ndx_start + prev->used + 1;
+ flist->flist_num = prev->flist_num + 1;
+
+ flist->prev = prev;
+ prev->next = first_flist->prev = flist;
+ }
+ flist->pool_boundary = pool_boundary(flist->file_pool, 0);
+ flist_cnt++;
+ }
- flist->count=0;
- flist->malloced = 1000;
- flist->files = (struct file_struct **)malloc(sizeof(flist->files[0])*
- flist->malloced);
- if (!flist->files) out_of_memory("send_file_list");
-#if ARENA_SIZE > 0
- flist->string_area = string_area_new(0);
-#else
- flist->string_area = NULL;
-#endif
return flist;
}
-/*
- * free up all elements in a flist
- */
+
+/* Free up all elements in a 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]);
- }
- memset((char *)flist->files, 0, sizeof(flist->files[0])*flist->count);
+ if (!flist->prev) {
+ /* Was FLIST_TEMP dir-list. */
+ } else if (flist == flist->prev) {
+ first_flist = cur_flist = NULL;
+ file_total = 0;
+ flist_cnt = 0;
+ } else {
+ if (flist == cur_flist)
+ cur_flist = flist->next;
+ if (flist == first_flist)
+ first_flist = first_flist->next;
+ else {
+ flist->prev->next = flist->next;
+ if (!flist->next)
+ flist->next = first_flist;
+ }
+ flist->next->prev = flist->prev;
+ file_total -= flist->used;
+ flist_cnt--;
+ }
+
+ if (!flist->prev || !flist_cnt)
+ pool_destroy(flist->file_pool);
+ else
+ pool_free_old(flist->file_pool, flist->pool_boundary);
+
+ if (flist->sorted && flist->sorted != flist->files)
+ free(flist->sorted);
free(flist->files);
- if (flist->string_area)
- string_area_free(flist->string_area);
- memset((char *)flist, 0, sizeof(*flist));
free(flist);
}
-
-/*
- * This routine ensures we don't have any duplicate names in our file list.
- * duplicate names can cause corruption because of the pipelining
- */
-static void clean_flist(struct file_list *flist, int strip_root)
+/* This routine ensures we don't have any duplicate names in our file list.
+ * duplicate names can cause corruption because of the pipelining. */
+static void flist_sort_and_clean(struct file_list *flist, int strip_root)
{
- int i;
+ char fbuf[MAXPATHLEN];
+ int i, prev_i;
- if (!flist || flist->count == 0)
+ if (!flist)
+ return;
+ if (flist->used == 0) {
+ flist->high = -1;
+ flist->low = 0;
return;
-
- qsort(flist->files,flist->count,
- sizeof(flist->files[0]),
- (int (*)())file_compare);
-
- for (i=1;i<flist->count;i++) {
- if (flist->files[i]->basename &&
- flist->files[i-1]->basename &&
- strcmp(f_name(flist->files[i]),
- f_name(flist->files[i-1])) == 0) {
- if (verbose > 1 && !am_server)
- rprintf(FINFO,"removing duplicate name %s from file list %d\n",
- f_name(flist->files[i-1]),i-1);
- /* 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]);
- }
}
- /* FIXME: There is a bug here when filenames are repeated more
- * than once, because we don't handle freed files when doing
- * the comparison. */
+ fsort(flist->sorted, flist->used);
- if (strip_root) {
- /* we need to strip off the root directory in the case
- of relative paths, but this must be done _after_
- the sorting phase */
- for (i=0;i<flist->count;i++) {
- if (flist->files[i]->dirname &&
- flist->files[i]->dirname[0] == '/') {
- memmove(&flist->files[i]->dirname[0],
- &flist->files[i]->dirname[1],
- strlen(flist->files[i]->dirname));
+ if (!am_sender || inc_recurse) {
+ for (i = prev_i = 0; i < flist->used; i++) {
+ if (F_IS_ACTIVE(flist->sorted[i])) {
+ prev_i = i;
+ break;
}
-
- if (flist->files[i]->dirname &&
- !flist->files[i]->dirname[0]) {
- flist->files[i]->dirname = NULL;
+ }
+ flist->low = prev_i;
+ } else {
+ i = prev_i = flist->used - 1;
+ flist->low = 0;
+ }
+
+ while (++i < flist->used) {
+ int j;
+ struct file_struct *file = flist->sorted[i];
+
+ if (!F_IS_ACTIVE(file))
+ continue;
+ if (f_name_cmp(file, flist->sorted[prev_i]) == 0)
+ j = prev_i;
+ else if (protocol_version >= 29 && S_ISDIR(file->mode)) {
+ int save_mode = file->mode;
+ /* Make sure that this directory doesn't duplicate a
+ * non-directory earlier in the list. */
+ flist->high = prev_i;
+ file->mode = S_IFREG;
+ j = flist_find(flist, file);
+ file->mode = save_mode;
+ } else
+ j = -1;
+ if (j >= 0) {
+ int keep, drop;
+ /* If one is a dir and the other is not, we want to
+ * keep the dir because it might have contents in the
+ * list. Otherwise keep the first one. */
+ if (S_ISDIR(file->mode)) {
+ struct file_struct *fp = flist->sorted[j];
+ if (!S_ISDIR(fp->mode))
+ keep = i, drop = j;
+ else {
+ if (am_sender)
+ file->flags |= FLAG_DUPLICATE;
+ else { /* Make sure we merge our vital flags. */
+ fp->flags |= file->flags & (FLAG_TOP_DIR|FLAG_CONTENT_DIR);
+ fp->flags &= file->flags | ~FLAG_IMPLIED_DIR;
+ }
+ keep = j, drop = i;
+ }
+ } else
+ keep = j, drop = i;
+
+ if (!am_sender) {
+ if (verbose > 1) {
+ rprintf(FINFO,
+ "removing duplicate name %s from file list (%d)\n",
+ f_name(file, fbuf), drop + flist->ndx_start);
+ }
+ clear_file(flist->sorted[drop]);
+ }
+
+ if (keep == i) {
+ if (flist->low == drop) {
+ for (j = drop + 1;
+ j < i && !F_IS_ACTIVE(flist->sorted[j]);
+ j++) {}
+ flist->low = j;
+ }
+ prev_i = i;
}
+ } else
+ prev_i = i;
+ }
+ flist->high = prev_i;
+
+ if (strip_root) {
+ /* We need to strip off the leading slashes for relative
+ * paths, but this must be done _after_ the sorting phase. */
+ for (i = flist->low; i <= flist->high; i++) {
+ struct file_struct *file = flist->sorted[i];
+
+ if (!file->dirname)
+ continue;
+ while (*file->dirname == '/')
+ file->dirname++;
+ if (!*file->dirname)
+ file->dirname = NULL;
}
}
+ if (prune_empty_dirs && !am_sender) {
+ int j, prev_depth = 0;
+
+ prev_i = 0; /* It's OK that this isn't really true. */
+
+ for (i = flist->low; i <= flist->high; i++) {
+ struct file_struct *fp, *file = flist->sorted[i];
+
+ /* This temporarily abuses the F_DEPTH() value for a
+ * directory that is in a chain that might get pruned.
+ * We restore the old value if it gets a reprieve. */
+ if (S_ISDIR(file->mode) && F_DEPTH(file)) {
+ /* Dump empty dirs when coming back down. */
+ for (j = prev_depth; j >= F_DEPTH(file); j--) {
+ fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ clear_file(fp);
+ }
+ prev_depth = F_DEPTH(file);
+ if (is_excluded(f_name(file, fbuf), 1,
+ ALL_FILTERS)) {
+ /* Keep dirs through this dir. */
+ for (j = prev_depth-1; ; j--) {
+ fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ F_DEPTH(fp) = j;
+ }
+ } else
+ F_DEPTH(file) = -prev_i-1;
+ prev_i = i;
+ } else {
+ /* Keep dirs through this non-dir. */
+ for (j = prev_depth; ; j--) {
+ fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ F_DEPTH(fp) = j;
+ }
+ }
+ }
+ /* Dump all remaining empty dirs. */
+ while (1) {
+ struct file_struct *fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ clear_file(fp);
+ }
- if (verbose <= 3) return;
+ for (i = flist->low; i <= flist->high; i++) {
+ if (F_IS_ACTIVE(flist->sorted[i]))
+ break;
+ }
+ flist->low = i;
+ for (i = flist->high; i >= flist->low; i--) {
+ if (F_IS_ACTIVE(flist->sorted[i]))
+ break;
+ }
+ flist->high = i;
+ }
+}
+
+static void output_flist(struct file_list *flist)
+{
+ char uidbuf[16], gidbuf[16], depthbuf[16];
+ struct file_struct *file;
+ const char *root, *dir, *slash, *name, *trail;
+ const char *who = who_am_i();
+ int i;
- for (i=0;i<flist->count;i++) {
- rprintf(FINFO,"[%d] i=%d %s %s mode=0%o len=%.0f\n",
- (int) getpid(), i,
- NS(flist->files[i]->dirname),
- NS(flist->files[i]->basename),
- (int) flist->files[i]->mode,
- (double)flist->files[i]->length);
+ rprintf(FINFO, "[%s] flist start=%d, used=%d, low=%d, high=%d\n",
+ who, flist->ndx_start, flist->used, flist->low, flist->high);
+ for (i = 0; i < flist->used; i++) {
+ file = flist->files[i];
+ if ((am_root || am_sender) && uid_ndx) {
+ snprintf(uidbuf, sizeof uidbuf, " uid=%u",
+ F_OWNER(file));
+ } else
+ *uidbuf = '\0';
+ if (gid_ndx) {
+ static char parens[] = "(\0)\0\0\0";
+ char *pp = parens + (file->flags & FLAG_SKIP_GROUP ? 0 : 3);
+ snprintf(gidbuf, sizeof gidbuf, " gid=%s%u%s",
+ pp, F_GROUP(file), pp + 2);
+ } else
+ *gidbuf = '\0';
+ if (!am_sender)
+ snprintf(depthbuf, sizeof depthbuf, "%d", F_DEPTH(file));
+ if (F_IS_ACTIVE(file)) {
+ root = am_sender ? NS(F_PATHNAME(file)) : depthbuf;
+ if ((dir = file->dirname) == NULL)
+ dir = slash = "";
+ else
+ slash = "/";
+ name = file->basename;
+ trail = S_ISDIR(file->mode) ? "/" : "";
+ } else
+ root = dir = slash = name = trail = "";
+ rprintf(FINFO,
+ "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
+ who, i + flist->ndx_start,
+ root, dir, slash, name, trail,
+ (int)file->mode, (double)F_LENGTH(file),
+ uidbuf, gidbuf, file->flags);
}
}
+enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING };
+enum fnc_type { t_PATH, t_ITEM };
-/*
- * return the full filename of a flist entry
- */
-char *f_name(struct file_struct *f)
+static int found_prefix;
+
+/* Compare the names of two file_struct entities, similar to how strcmp()
+ * would do if it were operating on the joined strings.
+ *
+ * Some differences beginning with protocol_version 29: (1) directory names
+ * are compared with an assumed trailing slash so that they compare in a
+ * way that would cause them to sort immediately prior to any content they
+ * may have; (2) a directory of any name compares after a non-directory of
+ * any name at the same depth; (3) a directory with name "." compares prior
+ * to anything else. These changes mean that a directory and a non-dir
+ * with the same name will not compare as equal (protocol_version >= 29).
+ *
+ * The dirname component can be an empty string, but the basename component
+ * cannot (and never is in the current codebase). The basename component
+ * may be NULL (for a removed item), in which case it is considered to be
+ * after any existing item. */
+int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2)
+{
+ int dif;
+ const uchar *c1, *c2;
+ enum fnc_state state1, state2;
+ enum fnc_type type1, type2;
+ enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM;
+
+ if (!f1 || !F_IS_ACTIVE(f1)) {
+ if (!f2 || !F_IS_ACTIVE(f2))
+ return 0;
+ return -1;
+ }
+ if (!f2 || !F_IS_ACTIVE(f2))
+ return 1;
+
+ c1 = (uchar*)f1->dirname;
+ c2 = (uchar*)f2->dirname;
+ if (c1 == c2)
+ c1 = c2 = NULL;
+ if (!c1) {
+ type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
+ c1 = (const uchar*)f1->basename;
+ if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
+ type1 = t_ITEM;
+ state1 = s_TRAILING;
+ c1 = (uchar*)"";
+ } else
+ state1 = s_BASE;
+ } else {
+ type1 = t_path;
+ state1 = s_DIR;
+ }
+ if (!c2) {
+ type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
+ c2 = (const uchar*)f2->basename;
+ if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
+ type2 = t_ITEM;
+ state2 = s_TRAILING;
+ c2 = (uchar*)"";
+ } else
+ state2 = s_BASE;
+ } else {
+ type2 = t_path;
+ state2 = s_DIR;
+ }
+
+ if (type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
+
+ do {
+ if (!*c1) {
+ switch (state1) {
+ case s_DIR:
+ state1 = s_SLASH;
+ c1 = (uchar*)"/";
+ break;
+ case s_SLASH:
+ type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
+ c1 = (const uchar*)f1->basename;
+ if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
+ type1 = t_ITEM;
+ state1 = s_TRAILING;
+ c1 = (uchar*)"";
+ } else
+ state1 = s_BASE;
+ break;
+ case s_BASE:
+ state1 = s_TRAILING;
+ if (type1 == t_PATH) {
+ c1 = (uchar*)"/";
+ break;
+ }
+ /* FALL THROUGH */
+ case s_TRAILING:
+ type1 = t_ITEM;
+ break;
+ }
+ if (*c2 && type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
+ }
+ if (!*c2) {
+ switch (state2) {
+ case s_DIR:
+ state2 = s_SLASH;
+ c2 = (uchar*)"/";
+ break;
+ case s_SLASH:
+ type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
+ c2 = (const uchar*)f2->basename;
+ if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
+ type2 = t_ITEM;
+ state2 = s_TRAILING;
+ c2 = (uchar*)"";
+ } else
+ state2 = s_BASE;
+ break;
+ case s_BASE:
+ state2 = s_TRAILING;
+ if (type2 == t_PATH) {
+ c2 = (uchar*)"/";
+ break;
+ }
+ /* FALL THROUGH */
+ case s_TRAILING:
+ found_prefix = 1;
+ if (!*c1)
+ return 0;
+ type2 = t_ITEM;
+ break;
+ }
+ if (type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
+ }
+ } while ((dif = (int)*c1++ - (int)*c2++) == 0);
+
+ return dif;
+}
+
+/* Returns 1 if f1's filename has all of f2's filename as a prefix. This does
+ * not match if f2's basename is not an exact match of a path element in f1.
+ * E.g. /path/foo is not a prefix of /path/foobar/baz, but /path/foobar is. */
+int f_name_has_prefix(const struct file_struct *f1, const struct file_struct *f2)
+{
+ found_prefix = 0;
+ f_name_cmp(f1, f2);
+ return found_prefix;
+}
+
+char *f_name_buf(void)
{
- static char names[10][MAXPATHLEN];
- static int n;
- char *p = names[n];
+ static char names[5][MAXPATHLEN];
+ static unsigned int n;
+
+ n = (n + 1) % (sizeof names / sizeof names[0]);
- if (!f || !f->basename) return NULL;
+ return names[n];
+}
+
+/* Return a copy of the full filename of a flist entry, using the indicated
+ * buffer or one of 5 static buffers if fbuf is NULL. No size-checking is
+ * done because we checked the size when creating the file_struct entry.
+ */
+char *f_name(const struct file_struct *f, char *fbuf)
+{
+ if (!f || !F_IS_ACTIVE(f))
+ return NULL;
- n = (n+1)%10;
+ if (!fbuf)
+ fbuf = f_name_buf();
if (f->dirname) {
- strlcpy(p, f->dirname, MAXPATHLEN);
- strlcat(p, "/", MAXPATHLEN);
- strlcat(p, f->basename, MAXPATHLEN);
- } else {
- strlcpy(p, f->basename, MAXPATHLEN);
+ int len = strlen(f->dirname);
+ memcpy(fbuf, f->dirname, len);
+ fbuf[len] = '/';
+ strlcpy(fbuf + len + 1, f->basename, MAXPATHLEN - (len + 1));
+ } else
+ strlcpy(fbuf, f->basename, MAXPATHLEN);
+
+ return fbuf;
+}
+
+/* Do a non-recursive scan of the named directory, possibly ignoring all
+ * exclude rules except for the daemon's. If "dlen" is >=0, it is the length
+ * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN
+ * buffer (the functions we call will append names onto the end, but the old
+ * dir value will be restored on exit). */
+struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules)
+{
+ struct file_list *dirlist;
+ char dirbuf[MAXPATHLEN];
+ int save_recurse = recurse;
+ int save_xfer_dirs = xfer_dirs;
+ int save_prune_empty_dirs = prune_empty_dirs;
+
+ if (dlen < 0) {
+ dlen = strlcpy(dirbuf, dirname, MAXPATHLEN);
+ if (dlen >= MAXPATHLEN)
+ return NULL;
+ dirname = dirbuf;
}
- return p;
-}
+ dirlist = flist_new(FLIST_TEMP, "get_dirlist");
+
+ recurse = 0;
+ xfer_dirs = 1;
+ send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, 0);
+ xfer_dirs = save_xfer_dirs;
+ recurse = save_recurse;
+ if (do_progress)
+ flist_count_offset += dirlist->used;
+
+ prune_empty_dirs = 0;
+ dirlist->sorted = dirlist->files;
+ flist_sort_and_clean(dirlist, 0);
+ prune_empty_dirs = save_prune_empty_dirs;
+ if (verbose > 3)
+ output_flist(dirlist);
+
+ return dirlist;
+}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff