-/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
-
- 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.
-*/
-
-/* 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, 2003, 2004, 2005, 2006 Wayne Davison
+ *
+ * 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.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
#include "rsync.h"
-extern struct stats stats;
-
-extern int csum_length;
-
extern int verbose;
+extern int list_only;
+extern int am_root;
extern int am_server;
+extern int am_daemon;
+extern int am_sender;
+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 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_links;
extern int preserve_hard_links;
-extern int preserve_perms;
extern int preserve_devices;
+extern int preserve_specials;
extern int preserve_uid;
extern int preserve_gid;
-extern int preserve_times;
extern int relative_paths;
+extern int implied_dirs;
+extern int flist_extra_cnt;
+extern int ignore_perishable;
+extern int non_perishable_cnt;
+extern int prune_empty_dirs;
extern int copy_links;
-extern int remote_version;
-extern int io_error;
+extern int copy_unsafe_links;
+extern int protocol_version;
+extern int sanitize_paths;
+extern struct stats stats;
+extern struct file_list *the_file_list;
+extern alloc_pool_t hlink_pool;
+
+extern char curr_dir[MAXPATHLEN];
+
+extern struct chmod_mode_struct *chmod_modes;
+
+extern struct filter_list_struct filter_list;
+extern struct filter_list_struct server_filter_list;
+
+int io_error;
+int checksum_len;
+dev_t filesystem_dev; /* used to implement -x */
+
+/* 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 struct idev tmp_idev;
+#endif
+static char tmp_sum[MD4_SUM_LENGTH];
+
+static char empty_sum[MD4_SUM_LENGTH];
+static int flist_count_offset;
+
+static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
+static void output_flist(struct file_list *flist);
+
+void init_flist(void)
+{
+ if (verbose > 4) {
+ rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
+ FILE_STRUCT_LEN, EXTRA_LEN);
+ }
+ checksum_len = protocol_version < 21 ? 2 : MD4_SUM_LENGTH;
+}
+
+static int show_filelist_p(void)
+{
+ return verbose && xfer_dirs && !am_server;
+}
+
+static void start_filelist_progress(char *kind)
+{
+ rprintf(FCLIENT, "%s ... ", kind);
+ if (verbose > 1 || do_progress)
+ rprintf(FCLIENT, "\n");
+ rflush(FINFO);
+}
+
+static void emit_filelist_progress(int count)
+{
+ rprintf(FCLIENT, " %d files...\r", count);
+}
+
+static void maybe_emit_filelist_progress(int count)
+{
+ if (do_progress && show_filelist_p() && (count % 100) == 0)
+ emit_filelist_progress(count);
+}
-static struct exclude_struct **local_exclude_list;
+static void finish_filelist_progress(const struct file_list *flist)
+{
+ if (do_progress) {
+ /* This overwrites the progress line */
+ rprintf(FINFO, "%d file%sto consider\n",
+ flist->count, flist->count == 1 ? " " : "s ");
+ } else
+ rprintf(FINFO, "done\n");
+}
+
+void show_flist_stats(void)
+{
+ /* Nothing yet */
+}
+
+static void list_file_entry(struct file_struct *f)
+{
+ char permbuf[PERMSTRING_SIZE];
+ double len;
+
+ if (!F_IS_ACTIVE(f)) {
+ /* this can happen if duplicate names were removed */
+ return;
+ }
+
+ permstring(permbuf, f->mode);
+ len = F_LENGTH(f);
+
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(f->mode)) {
+ rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
+ permbuf, len, timestring(f->modtime),
+ f_name(f, NULL), F_SYMLINK(f));
+ } else
+#endif
+ {
+ rprintf(FINFO, "%s %11.0f %s %s\n",
+ permbuf, len, timestring(f->modtime),
+ f_name(f, NULL));
+ }
+}
-int link_stat(const char *Path, STRUCT_STAT *Buffer)
+/* 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);
- } else {
- return do_lstat(Path, Buffer);
- }
+#ifdef SUPPORT_LINKS
+ if (link_stat(path, stp, copy_dirlinks) < 0)
+ return -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 do_stat(path, stp);
+ }
+ }
+ return 0;
#else
- return do_stat(Path, Buffer);
+ return do_stat(path, stp);
#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 match_file_name(char *fname,STRUCT_STAT *st)
+int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
{
- if (check_exclude(fname,local_exclude_list,st)) {
- if (verbose > 2)
- rprintf(FINFO,"excluding file %s\n",fname);
- return 0;
- }
- return 1;
+#ifdef SUPPORT_LINKS
+ if (copy_links)
+ return do_stat(path, stp);
+ if (do_lstat(path, stp) < 0)
+ return -1;
+ if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
+ STRUCT_STAT st;
+ if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
+ *stp = st;
+ }
+ return 0;
+#else
+ return do_stat(path, stp);
+#endif
}
-/* used by the one_file_system code */
-static dev_t filesystem_dev;
+/* 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(char *fname, int is_dir, int filter_level)
+{
+#if 0 /* This currently never happens, so avoid a useless compare. */
+ if (filter_level == NO_FILTERS)
+ return 0;
+#endif
+ if (fname) {
+ /* never exclude '.', even if somebody does --exclude '*' */
+ if (fname[0] == '.' && !fname[1])
+ return 0;
+ /* Handle the -R version of the '.' dir. */
+ if (fname[0] == '/') {
+ int len = strlen(fname);
+ if (fname[len-1] == '.' && fname[len-2] == '/')
+ return 0;
+ }
+ }
+ if (server_filter_list.head
+ && check_filter(&server_filter_list, fname, is_dir) < 0)
+ return 1;
+ if (filter_level != ALL_FILTERS)
+ return 0;
+ if (filter_list.head
+ && check_filter(&filter_list, fname, is_dir) < 0)
+ return 1;
+ return 0;
+}
-static void set_filesystem(char *fname)
+static int to_wire_mode(mode_t mode)
{
- STRUCT_STAT st;
- if (link_stat(fname,&st) != 0) return;
- filesystem_dev = st.st_dev;
+#ifdef SUPPORT_LINKS
+#if _S_IFLNK != 0120000
+ if (S_ISLNK(mode))
+ return (mode & ~(_S_IFMT)) | 0120000;
+#endif
+#endif
+ return mode;
}
+static mode_t from_wire_mode(int mode)
+{
+#if _S_IFLNK != 0120000
+ if ((mode & (_S_IFMT)) == 0120000)
+ return (mode & ~(_S_IFMT)) | _S_IFLNK;
+#endif
+ return mode;
+}
-static void send_directory(int f,struct file_list *flist,char *dir);
+static void send_directory(int f, struct file_list *flist,
+ char *fbuf, int len);
-static char *flist_dir;
+static const char *flist_dir;
+static int flist_dir_len;
-void send_file_entry(struct file_struct *file,int f,unsigned base_flags)
+/**
+ * Make sure @p flist is big enough to hold at least @p flist->count
+ * entries.
+ **/
+void flist_expand(struct file_list *flist)
{
- 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 char lastname[MAXPATHLEN];
- char *fname;
- int l1,l2;
+ struct file_struct **new_ptr;
- if (f == -1) return;
-
- if (!file) {
- write_byte(f,0);
+ if (flist->count < 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->count)
+ flist->malloced = flist->count;
+
+ new_ptr = realloc_array(flist->files, struct file_struct *,
+ flist->malloced);
+
+ if (verbose >= 2 && flist->malloced != FLIST_START) {
+ rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n",
+ who_am_i(),
+ (double)sizeof flist->files[0] * flist->malloced,
+ (new_ptr == flist->files) ? " not" : "");
}
- fname = f_name(file);
+ flist->files = new_ptr;
- flags = base_flags;
+ if (!flist->files)
+ out_of_memory("flist_expand");
+}
- 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;
+static void send_file_entry(struct file_struct *file, int f)
+{
+ unsigned short flags;
+ static time_t modtime;
+ static mode_t mode;
+ static int64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ static char lastname[MAXPATHLEN];
+ char fname[MAXPATHLEN];
+ int l1, l2;
- for (l1=0;lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);l1++) ;
- l2 = strlen(fname) - l1;
+ if (f < 0)
+ return;
- if (l1 > 0) flags |= SAME_NAME;
- if (l2 > 255) flags |= LONG_NAME;
+ if (!file) {
+ write_byte(f, 0);
+ modtime = 0, mode = 0;
+ dev = 0, rdev = MAKEDEV(0, 0);
+ rdev_major = 0;
+ uid = 0, gid = 0;
+ *lastname = '\0';
+ return;
+ }
- /* 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;
+ f_name(file, fname);
- write_byte(f,flags);
- if (flags & SAME_NAME)
- write_byte(f,l1);
- if (flags & LONG_NAME)
- write_int(f,l2);
+ flags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+
+ if (file->mode == mode)
+ flags |= XMIT_SAME_MODE;
+ else
+ mode = file->mode;
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (tmp_rdev == rdev)
+ flags |= XMIT_SAME_RDEV_pre28;
+ else
+ rdev = tmp_rdev;
+ } else {
+ rdev = tmp_rdev;
+ if ((uint32)major(rdev) == rdev_major)
+ flags |= XMIT_SAME_RDEV_MAJOR;
+ else
+ rdev_major = major(rdev);
+ if ((uint32)minor(rdev) <= 0xFFu)
+ flags |= XMIT_RDEV_MINOR_IS_SMALL;
+ }
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+ if (preserve_uid) {
+ if (F_UID(file) == uid)
+ flags |= XMIT_SAME_UID;
+ else
+ uid = F_UID(file);
+ }
+ if (preserve_gid) {
+ if (F_GID(file) == gid)
+ flags |= XMIT_SAME_GID;
+ else
+ gid = F_GID(file);
+ }
+ if (file->modtime == modtime)
+ flags |= XMIT_SAME_TIME;
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,(int)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));
+ modtime = file->modtime;
+
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_idev.dev != 0) {
+ if (tmp_idev.dev == dev) {
+ if (protocol_version >= 28)
+ flags |= XMIT_SAME_DEV;
+ } else
+ dev = tmp_idev.dev;
+ flags |= XMIT_HAS_IDEV_DATA;
}
#endif
-#if SUPPORT_HARD_LINKS
- if (preserve_hard_links && S_ISREG(file->mode)) {
- write_int(f,(int)file->dev);
- write_int(f,(int)file->inode);
+ for (l1 = 0;
+ lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
+ l1++) {}
+ l2 = strlen(fname+l1);
+
+ if (l1 > 0)
+ flags |= XMIT_SAME_NAME;
+ if (l2 > 255)
+ flags |= 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 (!flags && !S_ISDIR(mode))
+ flags |= XMIT_TOP_DIR;
+ if ((flags & 0xFF00) || !flags) {
+ flags |= XMIT_EXTENDED_FLAGS;
+ write_shortint(f, flags);
+ } else
+ write_byte(f, flags);
+ } else {
+ if (!(flags & 0xFF))
+ flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
+ write_byte(f, flags);
+ }
+ if (flags & XMIT_SAME_NAME)
+ write_byte(f, l1);
+ if (flags & XMIT_LONG_NAME)
+ write_int(f, l2);
+ else
+ write_byte(f, l2);
+ write_buf(f, fname + l1, l2);
+
+ write_longint(f, F_LENGTH(file));
+ if (!(flags & XMIT_SAME_TIME))
+ write_int(f, modtime);
+ if (!(flags & XMIT_SAME_MODE))
+ write_int(f, to_wire_mode(mode));
+ if (preserve_uid && !(flags & XMIT_SAME_UID)) {
+ if (!numeric_ids)
+ add_uid(uid);
+ write_int(f, uid);
+ }
+ if (preserve_gid && !(flags & XMIT_SAME_GID)) {
+ if (!numeric_ids)
+ add_gid(gid);
+ write_int(f, gid);
+ }
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (!(flags & XMIT_SAME_RDEV_pre28))
+ write_int(f, (int)rdev);
+ } else {
+ if (!(flags & XMIT_SAME_RDEV_MAJOR))
+ write_int(f, major(rdev));
+ if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ write_byte(f, minor(rdev));
+ else
+ write_int(f, minor(rdev));
+ }
+ }
+
+#ifdef SUPPORT_LINKS
+ if (preserve_links && S_ISLNK(mode)) {
+ const char *sl = F_SYMLINK(file);
+ int len = strlen(sl);
+ write_int(f, len);
+ write_buf(f, sl, len);
}
#endif
- if (always_checksum) {
- write_buf(f,file->sum,csum_length);
- }
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_idev.dev != 0) {
+ if (protocol_version < 26) {
+ /* 32-bit dev_t and ino_t */
+ write_int(f, (int32)dev);
+ write_int(f, (int32)tmp_idev.ino);
+ } else {
+ /* 64-bit dev_t and ino_t */
+ if (!(flags & XMIT_SAME_DEV))
+ write_longint(f, dev);
+ write_longint(f, tmp_idev.ino);
+ }
+ }
+#endif
- last_mode = file->mode;
- last_rdev = file->rdev;
- last_uid = file->uid;
- last_gid = file->gid;
- last_time = file->modtime;
+ 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);
+ }
- strlcpy(lastname,fname,MAXPATHLEN-1);
- lastname[MAXPATHLEN-1] = 0;
+ strlcpy(lastname, fname, MAXPATHLEN);
}
-
-
-static void receive_file_entry(struct file_struct **fptr,
- unsigned flags,int f)
+static struct file_struct *recv_file_entry(struct file_list *flist,
+ unsigned short flags, 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 time_t modtime;
+ static mode_t mode;
+ static int64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
+ static uid_t uid;
+ static gid_t gid;
+ 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, dirname_len, linkname_len;
+ int extra_len = (flist_extra_cnt - 1) * EXTRA_LEN;
+ OFF_T file_length;
+ char *basename, *dirname, *bp;
struct file_struct *file;
- if (flags & SAME_NAME)
+ if (!flist) {
+ modtime = 0, mode = 0;
+ dev = 0, rdev = MAKEDEV(0, 0);
+ rdev_major = 0;
+ uid = 0, gid = 0;
+ *lastname = '\0';
+ lastdir_len = -1;
+ in_del_hier = 0;
+ return NULL;
+ }
+
+ if (flags & XMIT_SAME_NAME)
l1 = read_byte(f);
-
- if (flags & LONG_NAME)
+
+ if (flags & XMIT_LONG_NAME)
l2 = read_int(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: flags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
+ flags, l1, l2, lastname, who_am_i());
+ overflow_exit("recv_file_entry");
+ }
- if (l2 >= MAXPATHLEN-l1) overflow("receive_file_entry");
+ strlcpy(thisname, lastname, l1 + 1);
+ read_sbuf(f, &thisname[l1], l2);
+ thisname[l1 + l2] = 0;
- strlcpy(thisname,lastname,l1);
- read_sbuf(f,&thisname[l1],l2);
- thisname[l1+l2] = 0;
+ strlcpy(lastname, thisname, MAXPATHLEN);
- strlcpy(lastname,thisname,MAXPATHLEN-1);
- lastname[MAXPATHLEN-1] = 0;
+ clean_fname(thisname, 0);
- clean_fname(thisname);
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0, NULL);
- if (relative_paths && thisname[0] == '/') {
- /* strip / off absolute paths in destination */
- memmove(thisname, thisname+1, strlen(thisname));
- if (!thisname[0]) strcpy(thisname,".");
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ dirname_len = ++basename - thisname; /* counts future '\0' */
+ if (lastdir_len == dirname_len - 1
+ && strncmp(thisname, lastdir, lastdir_len) == 0) {
+ dirname = lastdir;
+ dirname_len = 0; /* indicates no copy is needed */
+ } else
+ dirname = thisname;
+ } else {
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
}
-
- if ((p = strrchr(thisname,'/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(thisname, lastdir)==0) {
- file->dirname = lastdir;
+ basename_len = strlen(basename) + 1; /* count the '\0' */
+
+ file_length = read_longint(f);
+ if (!(flags & XMIT_SAME_TIME))
+ modtime = (time_t)read_int(f);
+ if (!(flags & 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 && !(flags & XMIT_SAME_UID))
+ uid = (uid_t)read_int(f);
+ if (preserve_gid && !(flags & XMIT_SAME_GID))
+ gid = (gid_t)read_int(f);
+
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (!(flags & XMIT_SAME_RDEV_pre28))
+ rdev = (dev_t)read_int(f);
} else {
- file->dirname = strdup(thisname);
- lastdir = file->dirname;
+ uint32 rdev_minor;
+ if (!(flags & XMIT_SAME_RDEV_MAJOR))
+ rdev_major = read_int(f);
+ if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ rdev_minor = read_byte(f);
+ else
+ rdev_minor = read_int(f);
+ rdev = MAKEDEV(rdev_major, rdev_minor);
+ }
+ extra_len += 2 * 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_int(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");
}
- file->basename = strdup(p+1);
- } else {
- file->dirname = NULL;
- file->basename = strdup(thisname);
}
+ else
+#endif
+ linkname_len = 0;
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links) {
+ if (protocol_version < 28 && S_ISREG(mode))
+ flags |= XMIT_HAS_IDEV_DATA;
+ if (flags & XMIT_HAS_IDEV_DATA)
+ 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 : (mode_t)read_int(f);
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len + dirname_len
+ + linkname_len;
+ bp = pool_alloc(flist->file_pool, alloc_len, "recv_file_entry");
+
+ memset(bp, 0, FILE_STRUCT_LEN + extra_len);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+ bp += basename_len + linkname_len; /* skip space for symlink too */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (flags & XMIT_HAS_IDEV_DATA)
+ file->flags |= FLAG_HLINKED;
+#endif
+ file->modtime = 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);
+ F_UID(file) = uid;
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);
+ F_GID(file) = gid;
+
+ if (dirname_len) {
+ file->dirname = lastdir = bp;
+ lastdir_len = dirname_len - 1;
+ memcpy(bp, dirname, dirname_len - 1);
+ bp += dirname_len;
+ bp[-1] = '\0';
+ lastdir_depth = count_dir_elements(lastdir);
+ file->dir.depth = lastdir_depth + 1;
+ } else if (dirname) {
+ file->dirname = dirname; /* we're reusing lastname */
+ file->dir.depth = lastdir_depth + 1;
+ } else
+ file->dir.depth = 1;
+
+ if (S_ISDIR(mode)) {
+ if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
+ file->dir.depth--;
+ if (flags & XMIT_TOP_DIR) {
+ in_del_hier = recurse;
+ del_hier_name_len = file->dir.depth == 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_XFER_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_XFER_DIR;
+ else
+ in_del_hier = 0;
+ }
+ }
- 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 ((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);
}
-#if SUPPORT_HARD_LINKS
- if (preserve_hard_links && S_ISREG(file->mode)) {
- file->dev = read_int(f);
- file->inode = read_int(f);
+#ifdef SUPPORT_LINKS
+ if (linkname_len) {
+ bp = (char*)F_BASENAME(file) + basename_len;
+ read_sbuf(f, bp, linkname_len - 1);
+ if (sanitize_paths)
+ sanitize_path(bp, bp, "", lastdir_depth, NULL);
}
#endif
-
- if (always_checksum) {
- file->sum = (char *)malloc(MD4_SUM_LENGTH);
- if (!file->sum) out_of_memory("md4 sum");
- read_buf(f,file->sum,csum_length);
- }
-
- last_mode = file->mode;
- last_rdev = file->rdev;
- last_uid = file->uid;
- last_gid = file->gid;
- last_time = file->modtime;
- 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;
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && flags & XMIT_HAS_IDEV_DATA) {
+ struct idev *idevp = pool_talloc(hlink_pool, struct idev,
+ 1, "inode_table");
+ F_HL_IDEV(file) = idevp;
+ if (protocol_version < 26) {
+ idevp->dev = read_int(f);
+ idevp->ino = read_int(f);
+ } else {
+ if (!(flags & XMIT_SAME_DEV))
+ dev = read_longint(f);
+ idevp->dev = dev;
+ idevp->ino = read_longint(f);
+ }
}
-}
-
-
-/* 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;
-
- /* if its not a subdirectory then allow */
- if (!p) return 0;
+#endif
- *p = 0;
- if (link_stat(fname, &st2)) {
- *p = '/';
- return 0;
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ if (S_ISREG(mode))
+ bp = (char*)F_SUM(file);
+ else {
+ /* Prior to 28, we get a useless set of nulls. */
+ bp = tmp_sum;
+ }
+ read_buf(f, bp, checksum_len);
}
- *p = '/';
-
- return (st2.st_dev != filesystem_dev);
+
+ return file;
}
-static struct file_struct *make_file(char *fname)
+/**
+ * Create a file_struct for a named file by reading its stat()
+ * information and performing extensive checks against global
+ * options.
+ *
+ * @return the new file, or NULL if there was an error or this file
+ * should be excluded.
+ *
+ * @todo There is a small optimization opportunity here to avoid
+ * stat()ing the file in some circumstances, which has a certain cost.
+ * We are called immediately after doing readdir(), and so we may
+ * already know the d_type of the file. We could for example avoid
+ * statting directories if we're not recursing, but this is not a very
+ * important case. Some systems may not have d_type.
+ **/
+struct file_struct *make_file(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;
STRUCT_STAT st;
- char sum[SUM_LENGTH];
- char *p;
- char cleaned_name[MAXPATHLEN];
-
- strlcpy(cleaned_name, fname, MAXPATHLEN-1);
- cleaned_name[MAXPATHLEN-1] = 0;
- clean_fname(cleaned_name);
- fname = cleaned_name;
+ char thisname[MAXPATHLEN];
+ char linkname[MAXPATHLEN];
+ int alloc_len, basename_len, dirname_len, linkname_len;
+ int extra_len = (flist_extra_cnt - 1) * EXTRA_LEN;
+ char *basename, *dirname, *bp;
- memset(sum,0,SUM_LENGTH);
+ if (!flist || !flist->count) /* Ignore lastdir when invalid. */
+ lastdir_len = -1;
- if (link_stat(fname,&st) != 0) {
- io_error = 1;
- rprintf(FERROR,"%s: %s\n",
- fname,strerror(errno));
+ if (strlcpy(thisname, fname, sizeof thisname)
+ >= sizeof thisname - flist_dir_len) {
+ rprintf(FINFO, "skipping overly long name: %s\n", fname);
return NULL;
}
+ clean_fname(thisname, 0);
+ if (sanitize_paths)
+ sanitize_path(thisname, thisname, "", 0, NULL);
+
+ 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
+ /* Avoid "vanished" error if symlink points nowhere. */
+ if (copy_links && do_lstat(thisname, &st) == 0
+ && S_ISLNK(st.st_mode)) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR, "symlink has no referent: %s\n",
+ full_fname(thisname));
+ } else
+#endif
+ {
+ enum logcode c = am_daemon && protocol_version < 28
+ ? FERROR : FINFO;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(thisname));
+ }
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, save_errno, "readlink %s failed",
+ full_fname(thisname));
+ }
+ return NULL;
+ }
+
+ /* backup.c calls us with filter_level set to NO_FILTERS. */
+ if (filter_level == NO_FILTERS)
+ goto skip_filters;
- if (S_ISDIR(st.st_mode) && !recurse) {
- rprintf(FINFO,"skipping directory %s\n",fname);
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", thisname);
return NULL;
}
-
- if (one_file_system && st.st_dev != filesystem_dev) {
- if (skip_filesystem(fname, &st))
+
+ /* -x only affects directories because we need to avoid recursing
+ * into a mount-point directory, not to avoid copying a symlinked
+ * file if -L (or similar) was specified. */
+ if (one_file_system && st.st_dev != filesystem_dev
+ && S_ISDIR(st.st_mode)) {
+ if (one_file_system > 1) {
+ if (verbose > 2) {
+ rprintf(FINFO, "skipping mount-point dir %s\n",
+ thisname);
+ }
return NULL;
+ }
+ flags |= FLAG_MOUNT_DIR;
}
-
- if (!match_file_name(fname,&st))
+
+ if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) {
+ if (ignore_perishable)
+ non_perishable_cnt++;
return NULL;
-
- if (verbose > 2)
- rprintf(FINFO,"make_file(%s)\n",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(p+1);
- *p = '/';
+ }
+
+ if (lp_ignore_nonreadable(module_id)) {
+#ifdef SUPPORT_LINKS
+ if (!S_ISLNK(st.st_mode))
+#endif
+ if (access(thisname, R_OK) != 0)
+ return NULL;
+ }
+
+ skip_filters:
+
+ if (verbose > 2) {
+ rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
+ who_am_i(), thisname, filter_level);
+ }
+
+ if ((basename = strrchr(thisname, '/')) != NULL) {
+ dirname_len = ++basename - thisname; /* counts future '\0' */
+ if (lastdir_len == dirname_len - 1
+ && strncmp(thisname, lastdir, lastdir_len) == 0) {
+ dirname = lastdir;
+ dirname_len = 0; /* indicates no copy is needed */
+ } else
+ dirname = thisname;
} else {
- file->dirname = NULL;
- file->basename = strdup(fname);
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
}
+ basename_len = strlen(basename) + 1; /* count the '\0' */
- 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;
+#ifdef SUPPORT_LINKS
+ linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
+#else
+ linkname_len = 0;
#endif
-#if SUPPORT_LINKS
- if (S_ISLNK(st.st_mode)) {
- int l;
- char lnk[MAXPATHLEN];
- if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
- io_error=1;
- rprintf(FERROR,"readlink %s : %s\n",
- fname,strerror(errno));
- return NULL;
- }
- lnk[l] = 0;
- file->link = strdup(lnk);
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
+ extra_len += EXTRA_LEN;
+
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len + dirname_len
+ + linkname_len;
+ if (flist)
+ bp = pool_alloc(flist->file_pool, alloc_len, "make_file");
+ else {
+ if (!(bp = new_array(char, alloc_len)))
+ out_of_memory("make_file");
+ }
+
+ memset(bp, 0, FILE_STRUCT_LEN + extra_len);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+ bp += basename_len + linkname_len; /* skip space for symlink too */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && flist) {
+ if (protocol_version >= 28
+ ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
+ : S_ISREG(st.st_mode)) {
+ tmp_idev.dev = st.st_dev;
+ tmp_idev.ino = st.st_ino;
+ } else
+ tmp_idev.dev = tmp_idev.ino = 0;
}
#endif
- if (always_checksum) {
- file->sum = (char *)malloc(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);
- }
- }
+#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 (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;
+ 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 (preserve_uid)
+ F_UID(file) = st.st_uid;
+ if (preserve_gid)
+ F_GID(file) = st.st_gid;
+
+ if (dirname_len) {
+ file->dirname = lastdir = bp;
+ lastdir_len = dirname_len - 1;
+ memcpy(bp, dirname, dirname_len - 1);
+ bp += dirname_len;
+ bp[-1] = '\0';
+ } else if (dirname)
+ file->dirname = dirname;
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len) {
+ bp = (char*)F_BASENAME(file) + basename_len;
+ memcpy(bp, linkname, linkname_len);
+ }
+#endif
+
+ if (always_checksum && am_sender && S_ISREG(st.st_mode))
+ file_checksum(thisname, tmp_sum, st.st_size);
+
+ file->dir.root = flist_dir;
+
+ /* 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(the_file_list, file) >= 0
+ && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
+ file->modtime = st2.st_mtime;
+ file->len32 = 0;
+ file->mode = st2.st_mode;
+ if (preserve_uid)
+ F_UID(file) = st2.st_uid;
+ if (preserve_gid)
+ F_GID(file) = st2.st_gid;
+ } else
+ file->mode = save_mode;
}
- if (!S_ISDIR(st.st_mode))
+ if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
stats.total_size += st.st_size;
+ if (basename_len == 0+1)
+ return NULL;
+
return file;
}
+/* Only called for temporary file_struct entries created by make_file(). */
+void unmake_file(struct file_struct *file)
+{
+ int extra_cnt = flist_extra_cnt - 1 + LEN64_BUMP(file);
+ free(file->extras - extra_cnt);
+}
-
-static void send_file_name(int f,struct file_list *flist,char *fname,
- int recursive, unsigned base_flags)
+static struct file_struct *send_file_name(int f, struct file_list *flist,
+ char *fname, STRUCT_STAT *stp,
+ unsigned short flags)
{
- struct file_struct *file;
+ struct file_struct *file;
- file = make_file(fname);
+ file = make_file(fname, flist, stp, flags,
+ f == -2 ? SERVER_FILTERS : ALL_FILTERS);
+ if (!file)
+ return NULL;
- if (!file) return;
-
- 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 (chmod_modes && !S_ISLNK(file->mode))
+ file->mode = tweak_mode(file->mode, chmod_modes);
- if (strcmp(file->basename,"")) {
- flist->files[flist->count++] = file;
- send_file_entry(file,f,base_flags);
- }
+ maybe_emit_filelist_progress(flist->count + flist_count_offset);
- 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;
- }
+ flist_expand(flist);
+ flist->files[flist->count++] = file;
+ send_file_entry(file, f);
+ return file;
}
+static void send_if_directory(int f, struct file_list *flist,
+ struct file_struct *file,
+ char *fbuf, unsigned int ol)
+{
+ 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, "skipping long-named directory: %s\n",
+ full_fname(fbuf));
+ return;
+ }
+ save_filters = push_local_filters(fbuf, len);
+ send_directory(f, flist, fbuf, len);
+ pop_local_filters(save_filters);
+ fbuf[ol] = '\0';
+ if (is_dot_dir)
+ fbuf[ol-1] = '.';
+ }
+}
-
-static void send_directory(int f,struct file_list *flist,char *dir)
+/* 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)
{
- DIR *d;
struct dirent *di;
- char fname[MAXPATHLEN];
- int l;
+ unsigned remainder;
char *p;
+ DIR *d;
+ int start = flist->count;
- d = opendir(dir);
- if (!d) {
- io_error = 1;
- rprintf(FERROR,"opendir(%s): %s\n",
- dir,strerror(errno));
+ if (!(d = opendir(fbuf))) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf));
return;
}
- strlcpy(fname,dir,MAXPATHLEN-1);
- 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);
- return;
- }
- strlcat(fname,"/", MAXPATHLEN-1);
- l++;
- }
- p = fname + strlen(fname);
+ p = fbuf + len;
+ if (len != 1 || *fbuf != '/')
+ *p++ = '/';
+ *p = '\0';
+ remainder = MAXPATHLEN - (p - fbuf);
- 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)) {
+ 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+1));
- send_file_name(f,flist,fname,recurse,0);
+ }
+
+ send_file_name(f, flist, fbuf, NULL, 0);
}
- closedir(d);
-}
+ fbuf[len] = '\0';
+ if (errno) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf));
+ }
+
+ closedir(d);
+ if (recurse) {
+ int i, end = flist->count - 1;
+ for (i = start; i <= end; i++)
+ send_if_directory(f, flist, flist->files[i], fbuf, len);
+ }
+}
-struct file_list *send_file_list(int f,int argc,char *argv[])
+struct file_list *send_file_list(int f, int argc, char *argv[])
{
- int i,l;
+ int len;
STRUCT_STAT st;
- char *p,*dir;
- char lastpath[MAXPATHLEN]="";
+ char *p, *dir, olddir[sizeof curr_dir];
+ char lastpath[MAXPATHLEN] = "";
struct file_list *flist;
+ struct timeval start_tv, end_tv;
int64 start_write;
+ int use_ff_fd = 0;
- if (verbose && recurse && !am_server && f != -1) {
- rprintf(FINFO,"building file list ... ");
- rflush(FINFO);
- }
+ rprintf(FLOG, "building file list\n");
+ if (show_filelist_p())
+ start_filelist_progress("building file list");
start_write = stats.total_written;
+ gettimeofday(&start_tv, NULL);
- flist = (struct file_list *)malloc(sizeof(flist[0]));
- if (!flist) out_of_memory("send_file_list");
+ flist = flist_new("send_file_list");
- 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 (f != -1) {
- io_start_buffering(f);
+ io_start_buffering_out();
+ if (filesfrom_fd >= 0) {
+ if (argv[0] && !push_dir(argv[0], 0)) {
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(argv[0]));
+ exit_cleanup(RERR_FILESELECT);
+ }
+ use_ff_fd = 1;
}
- for (i=0;i<argc;i++) {
- char fname2[MAXPATHLEN];
- char *fname = fname2;
+ while (1) {
+ char fbuf[MAXPATHLEN];
+ char *fn;
+ int is_dot_dir;
- strlcpy(fname,argv[i],MAXPATHLEN-1);
+ if (use_ff_fd) {
+ if (read_filesfrom_line(filesfrom_fd, fbuf) == 0)
+ break;
+ sanitize_path(fbuf, fbuf, "", 0, NULL);
+ } else {
+ if (argc-- == 0)
+ break;
+ strlcpy(fbuf, *argv++, MAXPATHLEN);
+ if (sanitize_paths)
+ sanitize_path(fbuf, fbuf, "", 0, NULL);
+ }
- l = strlen(fname);
- if (l != 1 && fname[l-1] == '/') {
- strlcat(fname,".",MAXPATHLEN-1);
+ len = strlen(fbuf);
+ if (relative_paths) {
+ /* We clean up fbuf below. */
+ is_dot_dir = 0;
+ } else if (!len || fbuf[len - 1] == '/') {
+ if (len == 2 && fbuf[0] == '.') {
+ /* Turn "./" into just "." rather than "./." */
+ fbuf[1] = '\0';
+ } else {
+ if (len + 1 >= MAXPATHLEN)
+ overflow_exit("send_file_list");
+ fbuf[len++] = '.';
+ fbuf[len] = '\0';
+ }
+ is_dot_dir = 1;
+ } 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';
+ is_dot_dir = 1;
+ } else {
+ is_dot_dir = fbuf[len-1] == '.'
+ && (len == 1 || fbuf[len-2] == '/');
}
- if (link_stat(fname,&st) != 0) {
- io_error=1;
- rprintf(FERROR,"%s : %s\n",fname,strerror(errno));
+ if (link_stat(fbuf, &st, copy_dirlinks) != 0) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "link_stat %s failed",
+ full_fname(fbuf));
continue;
}
- if (S_ISDIR(st.st_mode) && !recurse) {
- rprintf(FINFO,"skipping directory %s\n",fname);
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", fbuf);
continue;
}
dir = NULL;
+ olddir[0] = '\0';
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 = fname;
- fname = p+1;
+ dir = fbuf;
+ len -= p - fbuf + 3;
+ fn = p + 3;
+ } else
+ fn = fbuf;
+ /* Get rid of trailing "/" and "/.". */
+ while (len) {
+ if (fn[len - 1] == '/') {
+ is_dot_dir = 1;
+ if (!--len && !dir) {
+ len++;
+ break;
+ }
+ }
+ else if (len >= 2 && fn[len - 1] == '.'
+ && fn[len - 2] == '/') {
+ is_dot_dir = 1;
+ if (!(len -= 2) && !dir) {
+ len++;
+ break;
+ }
+ } else
+ break;
}
- } 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)-1);
- *p = '/';
- for (p=fname+1; (p=strchr(p,'/')); p++) {
- int copy_links_saved = copy_links;
- *p = 0;
- copy_links = 0;
- send_file_name(f, flist, fname, 0, 0);
- copy_links = copy_links_saved;
- *p = '/';
+ if (len == 1 && fn[0] == '/')
+ fn[len++] = '.';
+ fn[len] = '\0';
+ /* 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",
+ fbuf);
+ exit_cleanup(RERR_SYNTAX);
}
- } else {
- *p = '/';
}
}
-
- if (!*fname)
- fname = ".";
-
+
+ if (!*fn) {
+ len = 1;
+ fn = ".";
+ }
+
if (dir && *dir) {
- char *olddir = push_dir(dir, 1);
+ static const char *lastdir;
+ static int lastdir_len;
- if (!olddir) {
- io_error=1;
- rprintf(FERROR,"push_dir %s : %s\n",
- dir,strerror(errno));
+ strlcpy(olddir, curr_dir, sizeof olddir);
+
+ if (!push_dir(dir, 0)) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(dir));
continue;
}
- flist_dir = dir;
- if (one_file_system)
- set_filesystem(fname);
- send_file_name(f,flist,fname,recurse,FLAG_DELETE);
- flist_dir = NULL;
- if (pop_dir(olddir) != 0) {
- rprintf(FERROR,"pop_dir %s : %s\n",
- dir,strerror(errno));
- exit_cleanup(1);
+ if (lastdir && strcmp(lastdir, dir) == 0) {
+ flist_dir = lastdir;
+ flist_dir_len = lastdir_len;
+ } else {
+ flist_dir = lastdir = strdup(dir);
+ flist_dir_len = lastdir_len = strlen(dir);
}
- continue;
}
-
+
+ if (fn != fbuf)
+ memmove(fbuf, fn, len + 1);
+
+ if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf) {
+ /* Send the implied directories at the start of the
+ * source spec, so we get their permissions right. */
+ char *lp = lastpath, *slash = fbuf;
+ *p = '\0';
+ /* Skip any initial directories in our path that we
+ * have in common with lastpath. */
+ for (fn = fbuf; *fn && *lp == *fn; lp++, fn++) {
+ if (*fn == '/')
+ slash = fn;
+ }
+ *p = '/';
+ if (fn != p || (*lp && *lp != '/')) {
+ int save_copy_links = copy_links;
+ int save_xfer_dirs = xfer_dirs;
+ copy_links |= copy_unsafe_links;
+ xfer_dirs = 1;
+ while ((slash = strchr(slash+1, '/')) != 0) {
+ *slash = '\0';
+ send_file_name(f, flist, fbuf, NULL, 0);
+ *slash = '/';
+ }
+ copy_links = save_copy_links;
+ xfer_dirs = save_xfer_dirs;
+ *p = '\0';
+ strlcpy(lastpath, fbuf, sizeof lastpath);
+ *p = '/';
+ }
+ }
+
if (one_file_system)
- set_filesystem(fname);
- send_file_name(f,flist,fname,recurse,FLAG_DELETE);
- }
+ filesystem_dev = st.st_dev;
+
+ if (recurse || (xfer_dirs && is_dot_dir)) {
+ struct file_struct *file;
+ file = send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR);
+ if (file)
+ send_if_directory(f, flist, file, fbuf, len);
+ } else
+ send_file_name(f, flist, fbuf, &st, 0);
- if (f != -1) {
- send_file_entry(NULL,f,0);
+ if (olddir[0]) {
+ flist_dir = NULL;
+ flist_dir_len = 0;
+ if (!pop_dir(olddir)) {
+ rsyserr(FERROR, errno, "pop_dir %s failed",
+ full_fname(olddir));
+ exit_cleanup(RERR_FILESELECT);
+ }
+ }
}
- if (verbose && recurse && !am_server && f != -1)
- rprintf(FINFO,"done\n");
-
- clean_flist(flist);
-
- /* now send the uid/gid list. This was introduced in protocol
- version 15 */
- if (f != -1 && remote_version >= 15) {
+ 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;
+
+ send_file_entry(NULL, f);
+
+ 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;
+
+ /* Sort the list without removing any duplicates. This allows the
+ * receiving side to ask for any name they like, which gives us the
+ * flexibility to change the way we unduplicate names in the future
+ * without causing a compatibility problem with older versions. */
+ clean_flist(flist, 0, 0);
+
+ if (!numeric_ids)
send_uid_list(f);
- }
- /* if protocol version is >= 17 then send the io_error flag */
- if (f != -1 && remote_version >= 17) {
- write_int(f, io_error);
- }
+ /* send the io_error flag */
+ write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
- if (f != -1) {
- io_end_buffering(f);
- stats.flist_size = stats.total_written - start_write;
- stats.num_files = flist->count;
- }
+ io_end_buffering();
+ stats.flist_size = stats.total_written - start_write;
+ stats.num_files = flist->count;
+
+ if (verbose > 3)
+ output_flist(flist);
if (verbose > 2)
- rprintf(FINFO,"send_file_list done\n");
+ rprintf(FINFO, "send_file_list done\n");
return flist;
}
-
struct file_list *recv_file_list(int f)
{
- struct file_list *flist;
- unsigned char flags;
- int64 start_read;
+ struct file_list *flist;
+ unsigned short flags;
+ int64 start_read;
- if (verbose && recurse && !am_server) {
- rprintf(FINFO,"receiving file list ... ");
- rflush(FINFO);
- }
+ rprintf(FLOG, "receiving file list\n");
+ if (show_filelist_p())
+ start_filelist_progress("receiving file list");
- start_read = stats.total_read;
+ start_read = stats.total_read;
- flist = (struct file_list *)malloc(sizeof(flist[0]));
- if (!flist)
- goto oom;
+ flist = flist_new("recv_file_list");
- flist->count=0;
- flist->malloced=1000;
- flist->files = (struct file_struct **)malloc(sizeof(flist->files[0])*
- flist->malloced);
- if (!flist->files)
- goto oom;
+ while ((flags = read_byte(f)) != 0) {
+ struct file_struct *file;
- for (flags=read_byte(f); flags; flags=read_byte(f)) {
- int i = flist->count;
+ flist_expand(flist);
- 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;
- }
+ if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
+ flags |= read_byte(f) << 8;
+ file = recv_file_entry(flist, flags, f);
- receive_file_entry(&flist->files[i],flags,f);
+ if (S_ISREG(file->mode) || S_ISLNK(file->mode))
+ stats.total_size += F_LENGTH(file);
- if (S_ISREG(flist->files[i]->mode))
- stats.total_size += flist->files[i]->length;
+ flist->files[flist->count++] = file;
- flist->count++;
+ maybe_emit_filelist_progress(flist->count);
- if (verbose > 2)
- rprintf(FINFO,"recv_file_name(%s)\n",f_name(flist->files[i]));
- }
+ if (verbose > 2) {
+ rprintf(FINFO, "recv_file_name(%s)\n",
+ f_name(file, NULL));
+ }
+ }
+ recv_file_entry(NULL, 0, 0); /* Signal that we're done. */
+ if (verbose > 2)
+ rprintf(FINFO, "received %d names\n", flist->count);
- if (verbose > 2)
- rprintf(FINFO,"received %d names\n",flist->count);
+ if (show_filelist_p())
+ finish_filelist_progress(flist);
- clean_flist(flist);
+ clean_flist(flist, relative_paths, 1);
- if (verbose && recurse && !am_server) {
- rprintf(FINFO,"done\n");
- }
+ if (f >= 0) {
+ recv_uid_list(f, flist);
- /* now recv the uid/gid list. This was introduced in protocol version 15 */
- if (f != -1 && remote_version >= 15) {
- recv_uid_list(f, flist);
- }
+ /* Recv the io_error flag */
+ if (lp_ignore_errors(module_id) || ignore_errors)
+ read_int(f);
+ else
+ io_error |= read_int(f);
+ }
- /* if protocol version is >= 17 then recv the io_error flag */
- if (f != -1 && remote_version >= 17) {
- io_error |= read_int(f);
- }
+ if (verbose > 3)
+ output_flist(flist);
- if (verbose > 2)
- rprintf(FINFO,"recv_file_list done\n");
+ if (list_only) {
+ int i;
+ for (i = 0; i < flist->count; i++)
+ list_file_entry(flist->files[i]);
+ }
- 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->count;
-oom:
- out_of_memory("recv_file_list");
- return NULL; /* not reached */
+ return flist;
}
-
-int file_compare(struct file_struct **f1,struct file_struct **f2)
+static int file_compare(struct file_struct **file1, struct file_struct **file2)
{
- 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));
+ return f_name_cmp(*file1, *file2);
}
-
-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->files[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 + flist->files[mid]->dir.depth;
+ if (!F_IS_ACTIVE(flist->files[mid_up])) {
+ do {
+ mid_up += flist->files[mid_up]->dir.depth;
+ } while (!F_IS_ACTIVE(flist->files[mid_up]));
+ flist->files[mid]->dir.depth = 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->files[mid]->len32;
+ if (!F_IS_ACTIVE(flist->files[high])) {
+ do {
+ high -= (int)flist->files[high]->len32;
+ } while (!F_IS_ACTIVE(flist->files[high]));
+ flist->files[mid]->len32 = mid - high;
+ }
+ continue;
+ }
}
+ diff = f_name_cmp(flist->files[mid_up], f);
+ if (diff == 0) {
+ if (protocol_version < 29
+ && S_ISDIR(flist->files[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.
*/
-static 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);
- memset((char *)file, 0, sizeof(*file));
+ memset((char*)file + EXTRA_LEN, 0, FILE_STRUCT_LEN - EXTRA_LEN + 1);
+ /* In an empty entry, dir.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 = file->dir.depth = 1;
}
+/* Allocate a new file list. */
+struct file_list *flist_new(char *msg)
+{
+ struct file_list *flist;
-/*
- * free up all elements in a flist
- */
+ flist = new(struct file_list);
+ if (!flist)
+ out_of_memory(msg);
+
+ memset(flist, 0, sizeof flist[0]);
+
+ if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, out_of_memory, POOL_INTERN)))
+ out_of_memory(msg);
+
+ return flist;
+}
+
+/* Free up all elements in a flist. */
void flist_free(struct file_list *flist)
{
- int i;
- for (i=1;i<flist->count;i++) {
- free_file(flist->files[i]);
- free(flist->files[i]);
- }
- memset((char *)flist->files, 0, sizeof(flist->files[0])*flist->count);
+ pool_destroy(flist->file_pool);
free(flist->files);
- 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
+ * duplicate names can cause corruption because of the pipelining
*/
-void clean_flist(struct file_list *flist)
+static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
{
- int i;
+ char fbuf[MAXPATHLEN];
+ int i, prev_i = 0;
- if (!flist || flist->count == 0)
+ if (!flist)
+ return;
+ if (flist->count == 0) {
+ flist->high = -1;
return;
-
- qsort(flist->files,flist->count,
- sizeof(flist->files[0]),
- (int (*)())file_compare);
+ }
+
+ qsort(flist->files, flist->count,
+ sizeof flist->files[0], (int (*)())file_compare);
+
+ for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
+ if (F_IS_ACTIVE(flist->files[i])) {
+ prev_i = i;
+ break;
+ }
+ }
+ flist->low = prev_i;
+ while (++i < flist->count) {
+ int j;
+ struct file_struct *file = flist->files[i];
+
+ if (!F_IS_ACTIVE(file))
+ continue;
+ if (f_name_cmp(file, flist->files[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) {
+ struct file_struct *fp = flist->files[j];
+ 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. */
+ if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) {
+ if (S_ISDIR(file->mode))
+ keep = i, drop = j;
+ else
+ keep = j, drop = i;
+ } else
+ keep = j, drop = i;
+ if (verbose > 1 && !am_server) {
+ rprintf(FINFO,
+ "removing duplicate name %s from file list (%d)\n",
+ f_name(file, fbuf), drop);
+ }
+ /* Make sure we don't lose track of a user-specified
+ * top directory. */
+ flist->files[keep]->flags |= flist->files[drop]->flags
+ & (FLAG_TOP_DIR|FLAG_XFER_DIR);
+
+ clear_file(flist->files[drop]);
+
+ if (keep == i) {
+ if (flist->low == drop) {
+ for (j = drop + 1;
+ j < i && !F_IS_ACTIVE(flist->files[j]);
+ j++) {}
+ flist->low = j;
+ }
+ prev_i = i;
+ }
+ } else
+ prev_i = i;
+ }
+ flist->high = no_dups ? prev_i : flist->count - 1;
+
+ 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->files[i];
+
+ if (!file->dirname)
+ continue;
+ while (*file->dirname == '/')
+ file->dirname++;
+ if (!*file->dirname)
+ file->dirname = NULL;
+ }
+ }
+
+ if (prune_empty_dirs && no_dups) {
+ 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->files[i];
+
+ /* This temporarily abuses the dir.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) && file->dir.depth) {
+ /* Dump empty dirs when coming back down. */
+ for (j = prev_depth; j >= file->dir.depth; j--) {
+ fp = flist->files[prev_i];
+ if (fp->dir.depth >= 0)
+ break;
+ prev_i = -fp->dir.depth-1;
+ clear_file(fp);
+ }
+ prev_depth = file->dir.depth;
+ if (is_excluded(f_name(file, fbuf), 1,
+ ALL_FILTERS)) {
+ /* Keep dirs through this dir. */
+ for (j = prev_depth-1; ; j--) {
+ fp = flist->files[prev_i];
+ if (fp->dir.depth >= 0)
+ break;
+ prev_i = -fp->dir.depth-1;
+ fp->dir.depth = j;
+ }
+ } else
+ file->dir.depth = -prev_i-1;
+ prev_i = i;
+ } else {
+ /* Keep dirs through this non-dir. */
+ for (j = prev_depth; ; j--) {
+ fp = flist->files[prev_i];
+ if (fp->dir.depth >= 0)
+ break;
+ prev_i = -fp->dir.depth-1;
+ fp->dir.depth = j;
+ }
+ }
+ }
+ /* Dump empty all remaining empty dirs. */
+ while (1) {
+ struct file_struct *fp = flist->files[prev_i];
+ if (fp->dir.depth >= 0)
+ break;
+ prev_i = -fp->dir.depth-1;
+ clear_file(fp);
+ }
- 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);
- free_file(flist->files[i]);
- }
+ for (i = flist->low; i <= flist->high; i++) {
+ if (F_IS_ACTIVE(flist->files[i]))
+ break;
+ }
+ flist->low = i;
+ for (i = flist->high; i >= flist->low; i--) {
+ if (F_IS_ACTIVE(flist->files[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 *dir, *slash, *name, *trail;
+ const char *who = who_am_i();
+ int i;
-/*
- * return the full filename of a flist entry
- */
-char *f_name(struct file_struct *f)
+ for (i = 0; i < flist->count; i++) {
+ file = flist->files[i];
+ if ((am_root || am_sender) && preserve_uid) {
+ snprintf(uidbuf, sizeof uidbuf, " uid=%ld",
+ (long)F_UID(file));
+ } else
+ *uidbuf = '\0';
+ if (preserve_gid && F_GID(file) != GID_NONE) {
+ snprintf(gidbuf, sizeof gidbuf, " gid=%ld",
+ (long)F_GID(file));
+ } else
+ *gidbuf = '\0';
+ if (!am_sender)
+ snprintf(depthbuf, sizeof depthbuf, "%d", file->dir.depth);
+ if (F_IS_ACTIVE(file)) {
+ if ((dir = file->dirname) == NULL)
+ dir = slash = "";
+ else
+ slash = "/";
+ name = F_BASENAME(file);
+ trail = S_ISDIR(file->mode) ? "/" : "";
+ } else
+ 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, am_sender ? NS(file->dir.root) : depthbuf,
+ 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 };
+
+/* 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(struct file_struct *f1, 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 = (uchar*)F_BASENAME(f1);
+ 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 = (uchar*)F_BASENAME(f2);
+ 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 = (uchar*)F_BASENAME(f1);
+ 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 = (uchar*)F_BASENAME(f2);
+ 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:
+ 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;
+}
+
+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];
+}
- n = (n+1)%10;
+/* 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(struct file_struct *f, char *fbuf)
+{
+ if (!f || !F_IS_ACTIVE(f))
+ return NULL;
+
+ if (!fbuf)
+ fbuf = f_name_buf();
if (f->dirname) {
- slprintf(p, MAXPATHLEN-1, "%s/%s", f->dirname, f->basename);
- } else {
- strlcpy(p, f->basename, MAXPATHLEN-1);
+ int len = strlen(f->dirname);
+ memcpy(fbuf, f->dirname, len);
+ fbuf[len] = '/';
+ strlcpy(fbuf + len + 1, F_BASENAME(f), MAXPATHLEN - (len + 1));
+ } else
+ strlcpy(fbuf, F_BASENAME(f), 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;
+
+ if (dlen < 0) {
+ dlen = strlcpy(dirbuf, dirname, MAXPATHLEN);
+ if (dlen >= MAXPATHLEN)
+ return NULL;
+ dirname = dirbuf;
}
- return p;
-}
+ dirlist = flist_new("get_dirlist");
+
+ recurse = 0;
+ xfer_dirs = 1;
+ send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen);
+ xfer_dirs = save_xfer_dirs;
+ recurse = save_recurse;
+ if (do_progress)
+ flist_count_offset += dirlist->count;
+
+ clean_flist(dirlist, 0, 0);
+ if (verbose > 3)
+ output_flist(dirlist);
+
+ return dirlist;
+}