X-Git-Url: http://git.samba.org/samba.git/?p=rsync.git;a=blobdiff_plain;f=flist.c;h=64ff00771249678b6b7e4daf875ee2da4d597fd0;hp=0890f9eb2b0280619466cd157a8c504faa1c60f4;hb=b8b0668e85eb3b3350904068eb8d29d499d4e980;hpb=e2e053bbd78582a34e9252202423ca26e9267320 diff --git a/flist.c b/flist.c index 0890f9eb..64ff0077 100644 --- a/flist.c +++ b/flist.c @@ -27,51 +27,51 @@ #include "rsync.h" -extern struct stats stats; - extern int verbose; -extern int do_progress; +extern int dry_run; +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 module_id; extern int ignore_errors; extern int numeric_ids; - -extern int cvs_exclude; - extern int recurse; -extern char curr_dir[MAXPATHLEN]; -extern char *files_from; +extern int xfer_dirs; extern int filesfrom_fd; - extern int one_file_system; +extern int keep_dirlinks; extern int preserve_links; extern int preserve_hard_links; extern int preserve_perms; extern int preserve_devices; extern int preserve_uid; extern int preserve_gid; -extern int preserve_times; extern int relative_paths; extern int implied_dirs; extern int copy_links; extern int copy_unsafe_links; extern int protocol_version; extern int sanitize_paths; +extern int orig_umask; +extern struct stats stats; +extern struct file_list *the_file_list; -extern int read_batch; -extern int write_batch; +extern char curr_dir[MAXPATHLEN]; -extern struct exclude_struct **exclude_list; -extern struct exclude_struct **server_exclude_list; -extern struct exclude_struct **local_exclude_list; +extern struct filter_list_struct filter_list; +extern struct filter_list_struct server_filter_list; int io_error; +dev_t filesystem_dev; /* used to implement -x */ static char empty_sum[MD4_SUM_LENGTH]; +static int flist_count_offset; static unsigned int file_struct_len; +static struct file_list *sorting_flist; static void clean_flist(struct file_list *flist, int strip_root, int no_dups); static void output_flist(struct file_list *flist); @@ -87,28 +87,28 @@ void init_flist(void) static int show_filelist_p(void) { - return verbose && (recurse || files_from) && !am_server; + return verbose && xfer_dirs && !am_server; } static void start_filelist_progress(char *kind) { rprintf(FINFO, "%s ... ", kind); - if ((verbose > 1) || do_progress) + if (verbose > 1 || do_progress) rprintf(FINFO, "\n"); rflush(FINFO); } -static void emit_filelist_progress(const struct file_list *flist) +static void emit_filelist_progress(int count) { - rprintf(FINFO, " %d files...\r", flist->count); + rprintf(FINFO, " %d files...\r", count); } -static void maybe_emit_filelist_progress(const struct file_list *flist) +static void maybe_emit_filelist_progress(int count) { - if (do_progress && show_filelist_p() && ((flist->count % 100) == 0)) - emit_filelist_progress(flist); + if (do_progress && show_filelist_p() && (count % 100) == 0) + emit_filelist_progress(count); } @@ -132,24 +132,27 @@ static void list_file_entry(struct file_struct *f) { char perms[11]; - if (!f->basename) + if (!f->basename) { /* this can happen if duplicate names were removed */ return; + } permstring(perms, f->mode); -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (preserve_links && S_ISLNK(f->mode)) { rprintf(FINFO, "%s %11.0f %s %s -> %s\n", perms, - (double) f->length, timestring(f->modtime), - f_name(f), f->u.link); + (double)f->length, timestring(f->modtime), + safe_fname(f_name(f)), safe_fname(f->u.link)); } else #endif + { rprintf(FINFO, "%s %11.0f %s %s\n", perms, - (double) f->length, timestring(f->modtime), - f_name(f)); + (double)f->length, timestring(f->modtime), + safe_fname(f_name(f))); + } } @@ -167,22 +170,22 @@ static void list_file_entry(struct file_struct *f) * @post @p buffer contains information about the link or the * referrent as appropriate, if they exist. **/ -int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) +static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) { -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (copy_links) return do_stat(path, buffer); - if (do_lstat(path, buffer) == -1) + if (link_stat(path, buffer, 0) < 0) return -1; if (S_ISLNK(buffer->st_mode)) { - int l = readlink((char *) path, linkbuf, MAXPATHLEN - 1); + int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1); if (l == -1) return -1; linkbuf[l] = 0; if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { if (verbose > 1) { rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", - path, linkbuf); + safe_fname(path), safe_fname(linkbuf)); } return do_stat(path, buffer); } @@ -193,26 +196,31 @@ int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) #endif } -int link_stat(const char *path, STRUCT_STAT * buffer) +int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks) { -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (copy_links) return do_stat(path, buffer); - return do_lstat(path, buffer); + if (do_lstat(path, buffer) < 0) + return -1; + if (follow_dirlinks && S_ISLNK(buffer->st_mode)) { + STRUCT_STAT st; + if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode)) + *buffer = st; + } + return 0; #else return do_stat(path, buffer); #endif } -/* - * This function is used to check if a file should be included/excluded +/* 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 - * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES. - */ -static int check_exclude_file(char *fname, int is_dir, int exclude_level) + * 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 (exclude_level == NO_EXCLUDES) + if (filter_level == NO_FILTERS) return 0; #endif if (fname) { @@ -226,49 +234,36 @@ static int check_exclude_file(char *fname, int is_dir, int exclude_level) return 0; } } - if (server_exclude_list - && check_exclude(server_exclude_list, fname, is_dir)) + if (server_filter_list.head + && check_filter(&server_filter_list, fname, is_dir) < 0) return 1; - if (exclude_level != ALL_EXCLUDES) + if (filter_level != ALL_FILTERS) return 0; - if (exclude_list && check_exclude(exclude_list, fname, is_dir)) - return 1; - if (local_exclude_list - && check_exclude(local_exclude_list, fname, is_dir)) + if (filter_list.head + && check_filter(&filter_list, fname, is_dir) < 0) return 1; return 0; } -/* used by the one_file_system code */ -static dev_t filesystem_dev; - -static void set_filesystem(char *fname) -{ - STRUCT_STAT st; - if (link_stat(fname, &st) != 0) - return; - filesystem_dev = st.st_dev; -} - - static int to_wire_mode(mode_t mode) { -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) return (mode & ~(_S_IFMT)) | 0120000; #endif - return (int) mode; + return (int)mode; } static mode_t from_wire_mode(int mode) { if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) return (mode & ~(_S_IFMT)) | _S_IFLNK; - return (mode_t) mode; + return (mode_t)mode; } -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 int flist_dir_len; @@ -280,7 +275,7 @@ static int flist_dir_len; **/ void flist_expand(struct file_list *flist) { - void *new_ptr; + struct file_struct **new_ptr; if (flist->count < flist->malloced) return; @@ -299,21 +294,17 @@ void flist_expand(struct file_list *flist) if (flist->malloced < flist->count) flist->malloced = flist->count; - if (flist->files) { - new_ptr = realloc_array(flist->files, - struct file_struct *, flist->malloced); - } else { - new_ptr = new_array(struct file_struct *, flist->malloced); - } + new_ptr = realloc_array(flist->files, struct file_struct *, + flist->malloced); - if (verbose >= 2) { + if (verbose >= 2 && flist->malloced != FLIST_START) { rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", who_am_i(), - (double) sizeof flist->files[0] * flist->malloced, + (double)sizeof flist->files[0] * flist->malloced, (new_ptr == flist->files) ? " not" : ""); } - flist->files = (struct file_struct **) new_ptr; + flist->files = new_ptr; if (!flist->files) out_of_memory("flist_expand"); @@ -324,21 +315,23 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) unsigned short flags; static time_t modtime; static mode_t mode; - static DEV64_T rdev, rdev_high; - static DEV64_T dev; + static int64 dev; + static dev_t rdev; + static uint32 rdev_major; static uid_t uid; static gid_t gid; static char lastname[MAXPATHLEN]; - char *fname, fbuf[MAXPATHLEN]; + char fname[MAXPATHLEN]; int l1, l2; - if (f == -1) + if (f < 0) return; if (!file) { write_byte(f, 0); modtime = 0, mode = 0; - rdev = 0, rdev_high = 0, dev = 0; + dev = 0, rdev = makedev(0, 0); + rdev_major = 0; uid = 0, gid = 0; *lastname = '\0'; return; @@ -346,7 +339,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) io_write_phase = "send_file_entry"; - fname = f_name_to(file, fbuf); + f_name_to(file, fname); flags = base_flags; @@ -357,22 +350,20 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) if (preserve_devices) { if (protocol_version < 28) { if (IS_DEVICE(mode)) { - if (file->u.rdev == rdev) { - /* Set both flags to simplify the test - * when writing the data. */ - flags |= XMIT_SAME_RDEV_pre28 - | XMIT_SAME_HIGH_RDEV; - } else + if (file->u.rdev == rdev) + flags |= XMIT_SAME_RDEV_pre28; + else rdev = file->u.rdev; } else - rdev = 0; + rdev = makedev(0, 0); } else if (IS_DEVICE(mode)) { - if ((file->u.rdev & ~(DEV64_T)0xFF) == rdev_high) - flags |= XMIT_SAME_HIGH_RDEV; - else { - rdev = file->u.rdev; - rdev_high = rdev & ~(DEV64_T)0xFF; - } + rdev = file->u.rdev; + if ((uint32)major(rdev) == rdev_major) + flags |= XMIT_SAME_RDEV_MAJOR; + else + rdev_major = major(rdev); + if ((uint32)minor(rdev) <= 0xFFu) + flags |= XMIT_RDEV_MINOR_IS_SMALL; } } if (file->uid == uid) @@ -388,7 +379,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) else modtime = file->modtime; -#if SUPPORT_HARD_LINKS +#ifdef SUPPORT_HARD_LINKS if (file->link_u.idev) { if (file->F_DEV == dev) { if (protocol_version >= 28) @@ -453,15 +444,20 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) write_int(f, gid); } if (preserve_devices && IS_DEVICE(mode)) { - /* If XMIT_SAME_HIGH_RDEV is off, XMIT_SAME_RDEV_pre28 is - * also off. */ - if (!(flags & XMIT_SAME_HIGH_RDEV)) - write_int(f, rdev); - else if (protocol_version >= 28) - write_byte(f, rdev); + if (protocol_version < 28) { + if (!(flags & XMIT_SAME_RDEV_pre28)) + write_int(f, (int)rdev); + } else { + if (!(flags & XMIT_SAME_RDEV_MAJOR)) + write_int(f, major(rdev)); + if (flags & XMIT_RDEV_MINOR_IS_SMALL) + write_byte(f, minor(rdev)); + else + write_int(f, minor(rdev)); + } } -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (preserve_links && S_ISLNK(mode)) { int len = strlen(file->u.link); write_int(f, len); @@ -469,7 +465,7 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) } #endif -#if SUPPORT_HARD_LINKS +#ifdef SUPPORT_HARD_LINKS if (flags & XMIT_HAS_IDEV_DATA) { if (protocol_version < 26) { /* 32-bit dev_t and ino_t */ @@ -506,17 +502,20 @@ void send_file_entry(struct file_struct *file, int f, unsigned short base_flags) -void receive_file_entry(struct file_struct **fptr, unsigned short flags, - struct file_list *flist, int f) +static struct file_struct *receive_file_entry(struct file_list *flist, + unsigned short flags, int f) { static time_t modtime; static mode_t mode; - static DEV64_T rdev, rdev_high; - static DEV64_T dev; + 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_len = -1; + static int lastdir_depth, lastdir_len = -1; + static unsigned int del_hier_name_len = 0; + static int in_del_hier = 0; char thisname[MAXPATHLEN]; unsigned int l1 = 0, l2 = 0; int alloc_len, basename_len, dirname_len, linkname_len, sum_len; @@ -524,12 +523,15 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, char *basename, *dirname, *bp; struct file_struct *file; - if (!fptr) { + if (!flist) { modtime = 0, mode = 0; - rdev = 0, rdev_high = 0, dev = 0; + dev = 0, rdev = makedev(0, 0); + rdev_major = 0; uid = 0, gid = 0; *lastname = '\0'; - return; + lastdir_len = -1; + in_del_hier = 0; + return NULL; } if (flags & XMIT_SAME_NAME) @@ -543,7 +545,7 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, if (l2 >= MAXPATHLEN - l1) { rprintf(FERROR, "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n", - flags, l1, l2, lastname); + flags, l1, l2, safe_fname(lastname)); overflow("receive_file_entry"); } @@ -553,10 +555,10 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, strlcpy(lastname, thisname, MAXPATHLEN); - clean_fname(thisname); + clean_fname(thisname, 0); if (sanitize_paths) - sanitize_path(thisname, NULL); + sanitize_path(thisname, thisname, "", 0); if ((basename = strrchr(thisname, '/')) != NULL) { dirname_len = ++basename - thisname; /* counts future '\0' */ @@ -588,19 +590,22 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, if (protocol_version < 28) { if (IS_DEVICE(mode)) { if (!(flags & XMIT_SAME_RDEV_pre28)) - rdev = (DEV64_T)read_int(f); + rdev = (dev_t)read_int(f); } else - rdev = 0; + rdev = makedev(0, 0); } else if (IS_DEVICE(mode)) { - if (!(flags & XMIT_SAME_HIGH_RDEV)) { - rdev = (DEV64_T)read_int(f); - rdev_high = rdev & ~(DEV64_T)0xFF; - } else - rdev = rdev_high | (DEV64_T)read_byte(f); + uint32 rdev_minor; + if (!(flags & XMIT_SAME_RDEV_MAJOR)) + rdev_major = read_int(f); + if (flags & XMIT_RDEV_MINOR_IS_SMALL) + rdev_minor = read_byte(f); + else + rdev_minor = read_int(f); + rdev = makedev(rdev_major, rdev_minor); } } -#if SUPPORT_LINKS +#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) { @@ -619,11 +624,11 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, + linkname_len + sum_len; bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry"); - file = *fptr = (struct file_struct *)bp; + file = (struct file_struct *)bp; memset(bp, 0, file_struct_len); bp += file_struct_len; - file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0; + file->flags = 0; file->modtime = modtime; file->length = file_length; file->mode = mode; @@ -636,8 +641,33 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, memcpy(bp, dirname, dirname_len - 1); bp += dirname_len; bp[-1] = '\0'; - } else if (dirname) - file->dirname = dirname; + 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 = 1; + del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2; + if (relative_paths && del_hier_name_len > 2 + && basename_len == 1+1 && *basename == '.') + del_hier_name_len -= 2; + file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE; + } else if (in_del_hier) { + if (!relative_paths || !del_hier_name_len + || (l1 >= del_hier_name_len + && thisname[del_hier_name_len] == '/')) + file->flags |= FLAG_DEL_HERE; + else + in_del_hier = 0; + } + } file->basename = bp; memcpy(bp, basename, basename_len); @@ -646,21 +676,21 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, if (preserve_devices && IS_DEVICE(mode)) file->u.rdev = rdev; -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (linkname_len) { file->u.link = bp; read_sbuf(f, bp, linkname_len - 1); if (sanitize_paths) - sanitize_path(bp, lastdir); + sanitize_path(bp, bp, "", lastdir_depth); bp += linkname_len; } #endif -#if SUPPORT_HARD_LINKS +#ifdef SUPPORT_HARD_LINKS if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode)) flags |= XMIT_HAS_IDEV_DATA; if (flags & XMIT_HAS_IDEV_DATA) { - INO64_T inode; + int64 inode; if (protocol_version < 26) { dev = read_int(f); inode = read_int(f); @@ -695,11 +725,12 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, } 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; } + + return file; } @@ -718,8 +749,8 @@ void receive_file_entry(struct file_struct **fptr, unsigned short flags, * statting directories if we're not recursing, but this is not a very * important case. Some systems may not have d_type. **/ -struct file_struct *make_file(char *fname, - struct file_list *flist, int exclude_level) +struct file_struct *make_file(char *fname, struct file_list *flist, + int filter_level) { static char *lastdir; static int lastdir_len = -1; @@ -732,51 +763,58 @@ struct file_struct *make_file(char *fname, char *basename, *dirname, *bp; unsigned short flags = 0; - if (!flist) /* lastdir isn't valid if flist is NULL */ + if (!flist || !flist->count) /* Ignore lastdir when invalid. */ lastdir_len = -1; if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname - flist_dir_len) { - rprintf(FINFO, "skipping overly long name: %s\n", fname); + rprintf(FINFO, "skipping overly long name: %s\n", + safe_fname(fname)); return NULL; } - clean_fname(thisname); + clean_fname(thisname, 0); if (sanitize_paths) - sanitize_path(thisname, NULL); + sanitize_path(thisname, thisname, "", 0); memset(sum, 0, SUM_LENGTH); if (readlink_stat(thisname, &st, linkname) != 0) { int save_errno = errno; - if (errno == ENOENT) { - enum logcode c = am_daemon && protocol_version < 28 - ? FERROR : FINFO; - /* either symlink pointing nowhere or file that - * was removed during rsync run; see if excluded - * before reporting an error */ - if (exclude_level != NO_EXCLUDES - && check_exclude_file(thisname, 0, exclude_level)) { - /* file is excluded anyway, ignore silently */ - return NULL; + /* See if file is excluded before reporting an error. */ + if (filter_level != NO_FILTERS + && is_excluded(thisname, 0, filter_level)) + 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)); } - io_error |= IOERR_VANISHED; - rprintf(c, "file has vanished: %s\n", - full_fname(thisname)); - } - else { + } else { io_error |= IOERR_GENERAL; - rprintf(FERROR, "readlink %s failed: %s\n", - full_fname(thisname), strerror(save_errno)); + rsyserr(FERROR, save_errno, "readlink %s failed", + full_fname(thisname)); } return NULL; } - /* backup.c calls us with exclude_level set to NO_EXCLUDES. */ - if (exclude_level == NO_EXCLUDES) - goto skip_excludes; + /* 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 && !files_from) { - rprintf(FINFO, "skipping directory %s\n", thisname); + if (S_ISDIR(st.st_mode) && !xfer_dirs) { + rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname)); return NULL; } @@ -787,17 +825,22 @@ struct file_struct *make_file(char *fname, && S_ISDIR(st.st_mode)) flags |= FLAG_MOUNT_POINT; - if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_level)) + if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) return NULL; - if (lp_ignore_nonreadable(module_id) && access(thisname, R_OK) != 0) - return NULL; + 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_excludes: +skip_filters: if (verbose > 2) { rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", - who_am_i(), thisname, exclude_level); + who_am_i(), safe_fname(thisname), filter_level); } if ((basename = strrchr(thisname, '/')) != NULL) { @@ -815,7 +858,7 @@ skip_excludes: } basename_len = strlen(basename) + 1; /* count the '\0' */ -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0; #else linkname_len = 0; @@ -844,7 +887,7 @@ skip_excludes: file->uid = st.st_uid; file->gid = st.st_gid; -#if SUPPORT_HARD_LINKS +#ifdef SUPPORT_HARD_LINKS if (flist && flist->hlink_pool) { if (protocol_version < 28) { if (S_ISREG(st.st_mode)) @@ -882,7 +925,7 @@ skip_excludes: file->u.rdev = st.st_rdev; #endif -#if SUPPORT_LINKS +#ifdef SUPPORT_LINKS if (linkname_len) { file->u.link = bp; memcpy(bp, linkname, linkname_len); @@ -896,128 +939,135 @@ skip_excludes: /*bp += sum_len;*/ } - file->basedir = flist_dir; + 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 w/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->length = st2.st_size; + file->mode = st2.st_mode; + file->uid = st2.st_uid; + file->gid = st2.st_gid; + file->u.link = NULL; + } 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; return file; } -void send_file_name(int f, struct file_list *flist, char *fname, - int recursive, unsigned short base_flags) +static struct file_struct *send_file_name(int f, struct file_list *flist, + char *fname, unsigned short base_flags) { struct file_struct *file; - char fbuf[MAXPATHLEN]; - extern int delete_excluded; - - /* f is set to -1 when calculating deletion file list */ - file = make_file(fname, flist, - f == -1 && delete_excluded? SERVER_EXCLUDES : ALL_EXCLUDES); + file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS); if (!file) - return; + return NULL; - maybe_emit_filelist_progress(flist); + maybe_emit_filelist_progress(flist->count + flist_count_offset); flist_expand(flist); - if (write_batch) - file->flags |= FLAG_TOP_DIR; - if (file->basename[0]) { flist->files[flist->count++] = file; send_file_entry(file, f, base_flags); } + return file; +} - if (recursive && S_ISDIR(file->mode) - && !(file->flags & FLAG_MOUNT_POINT)) { - struct exclude_struct **last_exclude_list = local_exclude_list; - send_directory(f, flist, f_name_to(file, fbuf)); - local_exclude_list = last_exclude_list; - return; +static void send_if_directory(int f, struct file_list *flist, + struct file_struct *file) +{ + char fbuf[MAXPATHLEN]; + + if (S_ISDIR(file->mode) + && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(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); } } -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]; - unsigned int offset; + unsigned remainder; char *p; + DIR *d; + int start = flist->count; - d = opendir(dir); - if (!d) { + if (!(d = opendir(fbuf))) { io_error |= IOERR_GENERAL; - rprintf(FERROR, "opendir %s failed: %s\n", - full_fname(dir), strerror(errno)); + rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); return; } - offset = strlcpy(fname, dir, MAXPATHLEN); - p = fname + offset; - if (offset >= MAXPATHLEN || p[-1] != '/') { - if (offset >= MAXPATHLEN - 1) { - io_error |= IOERR_GENERAL; - rprintf(FERROR, "skipping long-named directory: %s\n", - full_fname(fname)); - closedir(d); - return; - } + p = fbuf + len; + if (len != 1 || *fbuf != '/') *p++ = '/'; - offset++; - } - - local_exclude_list = NULL; - - if (cvs_exclude) { - if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset) - < MAXPATHLEN - offset) - add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE); - else { - io_error |= IOERR_GENERAL; - rprintf(FINFO, - "cannot cvs-exclude in long-named directory %s\n", - full_fname(fname)); - } - } + *p = '\0'; + remainder = MAXPATHLEN - (p - fbuf); for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { char *dname = d_name(di); if (dname[0] == '.' && (dname[1] == '\0' || (dname[1] == '.' && dname[2] == '\0'))) continue; - if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset) - send_file_name(f, flist, fname, recurse, 0); + if (strlcpy(p, dname, remainder) < remainder) + send_file_name(f, flist, fbuf, 0); else { io_error |= IOERR_GENERAL; rprintf(FINFO, "cannot send long-named file %s\n", - full_fname(fname)); + full_fname(fbuf)); } } + + fbuf[len] = '\0'; + if (errno) { io_error |= IOERR_GENERAL; - rprintf(FERROR, "readdir(%s): (%d) %s\n", - dir, errno, strerror(errno)); + rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); } - if (local_exclude_list) - free_exclude_list(&local_exclude_list); /* Zeros pointer too */ - closedir(d); + + if (recurse) { + int i, end = flist->count - 1; + for (i = start; i <= end; i++) + send_if_directory(f, flist, flist->files[i]); + } } -/** - * The delete_files() function in receiver.c sets f to -1 so that we just - * construct the file list in memory without sending it over the wire. It - * also has the side-effect of ignoring user-excludes if delete_excluded - * is set (so that the delete list includes user-excluded files). - **/ struct file_list *send_file_list(int f, int argc, char *argv[]) { int l; @@ -1025,67 +1075,81 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) 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 (show_filelist_p() && f != -1) + if (show_filelist_p()) start_filelist_progress("building file list"); start_write = stats.total_written; + gettimeofday(&start_tv, NULL); - flist = flist_new(f == -1 ? WITHOUT_HLINK : WITH_HLINK, - "send_file_list"); + flist = flist_new(WITH_HLINK, "send_file_list"); - if (f != -1) { - io_start_buffering_out(f); - if (filesfrom_fd >= 0) { - if (argv[0] && !push_dir(argv[0])) { - rprintf(FERROR, "push_dir %s failed: %s\n", - full_fname(argv[0]), strerror(errno)); - exit_cleanup(RERR_FILESELECT); - } - use_ff_fd = 1; + io_start_buffering_out(); + if (filesfrom_fd >= 0) { + if (argv[0] && !push_dir(argv[0])) { + rsyserr(FERROR, errno, "push_dir %s failed", + full_fname(argv[0])); + exit_cleanup(RERR_FILESELECT); } + use_ff_fd = 1; } while (1) { + struct file_struct *file; char fname2[MAXPATHLEN]; char *fname = fname2; + int is_dot_dir; if (use_ff_fd) { if (read_filesfrom_line(filesfrom_fd, fname) == 0) break; - sanitize_path(fname, NULL); + sanitize_path(fname, fname, "", 0); } else { if (argc-- == 0) break; strlcpy(fname, *argv++, MAXPATHLEN); if (sanitize_paths) - sanitize_path(fname, NULL); + sanitize_path(fname, fname, "", 0); } l = strlen(fname); - if (fname[l - 1] == '/') { + if (!l || fname[l - 1] == '/') { if (l == 2 && fname[0] == '.') { /* Turn "./" into just "." rather than "./." */ fname[1] = '\0'; - } else if (l < MAXPATHLEN) { + } else { + if (l + 1 >= MAXPATHLEN) + overflow("send_file_list"); fname[l++] = '.'; fname[l] = '\0'; } + is_dot_dir = 1; + } else if (l > 1 && fname[l-1] == '.' && fname[l-2] == '.' + && (l == 2 || fname[l-3] == '/')) { + if (l + 2 >= MAXPATHLEN) + overflow("send_file_list"); + fname[l++] = '/'; + fname[l++] = '.'; + fname[l] = '\0'; + is_dot_dir = 1; + } else { + is_dot_dir = fname[l-1] == '.' + && (l == 1 || fname[l-2] == '/'); } - if (link_stat(fname, &st) != 0) { - if (f != -1) { - io_error |= IOERR_GENERAL; - rprintf(FERROR, "link_stat %s failed: %s\n", - full_fname(fname), strerror(errno)); - } + if (link_stat(fname, &st, keep_dirlinks) != 0) { + io_error |= IOERR_GENERAL; + rsyserr(FERROR, errno, "link_stat %s failed", + full_fname(fname)); continue; } - if (S_ISDIR(st.st_mode) && !recurse && !files_from) { - rprintf(FINFO, "skipping directory %s\n", fname); + if (S_ISDIR(st.st_mode) && !xfer_dirs) { + rprintf(FINFO, "skipping directory %s\n", + safe_fname(fname)); continue; } @@ -1102,7 +1166,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) dir = fname; fname = p + 1; } - } else if (f != -1 && implied_dirs && (p=strrchr(fname,'/')) && p != fname) { + } else if (implied_dirs && (p=strrchr(fname,'/')) && p != fname) { /* this ensures we send the intermediate directories, thus getting their permissions right */ char *lp = lastpath, *fn = fname, *slash = fname; @@ -1116,21 +1180,17 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) } *p = '/'; if (fn != p || (*lp && *lp != '/')) { - int copy_links_saved = copy_links; - int recurse_saved = recurse; + int save_copy_links = copy_links; + int save_xfer_dirs = xfer_dirs; 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; + xfer_dirs = 1; while ((slash = strchr(slash+1, '/')) != 0) { *slash = 0; - send_file_name(f, flist, fname, 0, 0); + send_file_name(f, flist, fname, 0); *slash = '/'; } - copy_links = copy_links_saved; - recurse = recurse_saved; + copy_links = save_copy_links; + xfer_dirs = save_xfer_dirs; *p = 0; strlcpy(lastpath, fname, sizeof lastpath); *p = '/'; @@ -1148,8 +1208,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) if (!push_dir(dir)) { io_error |= IOERR_GENERAL; - rprintf(FERROR, "push_dir %s failed: %s\n", - full_fname(dir), strerror(errno)); + rsyserr(FERROR, errno, "push_dir %s failed", + full_fname(dir)); continue; } @@ -1163,49 +1223,61 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) } if (one_file_system) - set_filesystem(fname); + filesystem_dev = st.st_dev; - send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR); + if ((file = send_file_name(f, flist, fname, XMIT_TOP_DIR))) { + if (recurse || (xfer_dirs && is_dot_dir)) + send_if_directory(f, flist, file); + } if (olddir[0]) { flist_dir = NULL; flist_dir_len = 0; if (!pop_dir(olddir)) { - rprintf(FERROR, "pop_dir %s failed: %s\n", - full_fname(dir), strerror(errno)); + rsyserr(FERROR, errno, "pop_dir %s failed", + full_fname(dir)); exit_cleanup(RERR_FILESELECT); } } } - if (f != -1) { - send_file_entry(NULL, f, 0); + 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 (show_filelist_p()) - finish_filelist_progress(flist); - } + send_file_entry(NULL, f, 0); + + 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; if (flist->hlink_pool) { pool_destroy(flist->hlink_pool); flist->hlink_pool = NULL; } + /* 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 (f != -1) { - /* Now send the uid/gid list. This was introduced in - * protocol version 15 */ - send_uid_list(f); + /* Now send the uid/gid list. This was introduced in + * protocol version 15 */ + send_uid_list(f); - /* send the io_error flag */ - write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); + /* send the io_error flag */ + write_int(f, lp_ignore_errors(module_id) ? 0 : io_error); - io_end_buffering(); - stats.flist_size = stats.total_written - start_write; - stats.num_files = flist->count; - if (write_batch) - write_batch_flist_info(flist->count, flist->files); - } + io_end_buffering(); + stats.flist_size = stats.total_written - start_write; + stats.num_files = flist->count; if (verbose > 3) output_flist(flist); @@ -1222,7 +1294,6 @@ struct file_list *recv_file_list(int f) struct file_list *flist; unsigned short flags; int64 start_read; - extern int list_only; if (show_filelist_p()) start_filelist_progress("receiving file list"); @@ -1239,27 +1310,27 @@ struct file_list *recv_file_list(int f) while ((flags = read_byte(f)) != 0) { - int i = flist->count; + struct file_struct *file; flist_expand(flist); if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) flags |= read_byte(f) << 8; - receive_file_entry(&flist->files[i], flags, flist, f); + file = receive_file_entry(flist, flags, f); - if (S_ISREG(flist->files[i]->mode)) - stats.total_size += flist->files[i]->length; + if (S_ISREG(file->mode)) + stats.total_size += file->length; - flist->count++; + flist->files[flist->count++] = file; - maybe_emit_filelist_progress(flist); + maybe_emit_filelist_progress(flist->count); if (verbose > 2) { rprintf(FINFO, "recv_file_name(%s)\n", - f_name(flist->files[i])); + safe_fname(f_name(file))); } } - receive_file_entry(NULL, 0, NULL, 0); /* Signal that we're done. */ + receive_file_entry(NULL, 0, 0); /* Signal that we're done. */ if (verbose > 2) rprintf(FINFO, "received %d names\n", flist->count); @@ -1269,18 +1340,16 @@ struct file_list *recv_file_list(int f) clean_flist(flist, relative_paths, 1); - if (f != -1) { + if (f >= 0) { /* Now send the uid/gid list. This was introduced in * protocol version 15 */ recv_uid_list(f, flist); - if (!read_batch) { - /* Recv the io_error flag */ - if (lp_ignore_errors(module_id) || ignore_errors) - read_int(f); - else - io_error |= read_int(f); - } + /* Recv the io_error flag */ + if (lp_ignore_errors(module_id) || ignore_errors) + read_int(f); + else + io_error |= read_int(f); } if (verbose > 3) @@ -1306,48 +1375,42 @@ oom: } -int file_compare(struct file_struct **file1, struct file_struct **file2) +static int file_compare(struct file_struct **file1, struct file_struct **file2) { - struct file_struct *f1 = *file1; - struct file_struct *f2 = *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 f_name_cmp(f1, f2); + return f_name_cmp(*file1, *file2); } +/* 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; - - while (high >= 0 && !flist->files[high]->basename) high--; - - if (high < 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); + int low = flist->low, high = flist->high; + int ret, mid, mid_up; + + while (low <= high) { + mid = (low + high) / 2; + for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {} + if (mid_up <= high) + ret = f_name_cmp(flist->files[mid_up], f); + else + ret = 1; + if (ret == 0) { + if (protocol_version < 29 + && S_ISDIR(flist->files[mid_up]->mode) + != S_ISDIR(f->mode)) + return -1; + return mid_up; + } if (ret > 0) - high = mid; + high = mid - 1; else - low = mid + 1; + low = mid_up + 1; } - - if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0) - return flist_up(flist, low); return -1; } + /* * Free up any resources a file_struct has allocated * and clear the file. @@ -1377,7 +1440,7 @@ struct file_list *flist_new(int with_hlink, char *msg) out_of_memory, POOL_INTERN))) out_of_memory(msg); -#if SUPPORT_HARD_LINKS +#ifdef SUPPORT_HARD_LINKS if (with_hlink && preserve_hard_links) { if (!(flist->hlink_pool = pool_create(HLINK_EXTENT, sizeof (struct idev), out_of_memory, POOL_INTERN))) @@ -1408,11 +1471,17 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups) { int i, prev_i = 0; - if (!flist || flist->count == 0) + if (!flist) + return; + if (flist->count == 0) { + flist->high = -1; return; + } + sorting_flist = flist; qsort(flist->files, flist->count, - sizeof flist->files[0], (int (*)()) file_compare); + sizeof flist->files[0], (int (*)())file_compare); + sorting_flist = NULL; for (i = no_dups? 0 : flist->count; i < flist->count; i++) { if (flist->files[i]->basename) { @@ -1420,55 +1489,95 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups) break; } } + flist->low = prev_i; while (++i < flist->count) { - if (!flist->files[i]->basename) + int j; + struct file_struct *file = flist->files[i]; + + if (!file->basename) continue; - if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) { + 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(flist->files[i]), i); + "removing duplicate name %s from file list (%d)\n", + safe_fname(f_name(file)), drop); } /* Make sure that if we unduplicate '.', that we don't - * lose track of a user-specified starting point (or - * else deletions will mysteriously fail with -R). */ - if (flist->files[i]->flags & FLAG_TOP_DIR) - flist->files[prev_i]->flags |= FLAG_TOP_DIR; - - clear_file(i, flist); + * lose track of a user-specified top directory. */ + flist->files[keep]->flags |= flist->files[drop]->flags + & (FLAG_TOP_DIR|FLAG_DEL_HERE); + + clear_file(drop, flist); + + if (keep == i) { + if (flist->low == drop) { + for (j = drop + 1; + j < i && !flist->files[j]->basename; + 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 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)); - } + /* 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 (flist->files[i]->dirname && - !flist->files[i]->dirname[0]) { - flist->files[i]->dirname = NULL; + if (!file->dirname) + continue; + if (*file->dirname == '/') { + char *s = file->dirname + 1; + while (*s == '/') s++; + memmove(file->dirname, s, strlen(s) + 1); } + + if (!*file->dirname) + file->dirname = NULL; } } } + static void output_flist(struct file_list *flist) { - char uidbuf[16], gidbuf[16]; + char uidbuf[16], gidbuf[16], depthbuf[16]; struct file_struct *file; + const char *who = who_am_i(); int i; for (i = 0; i < flist->count; i++) { file = flist->files[i]; - if (am_root && preserve_uid) + if ((am_root || am_sender) && preserve_uid) sprintf(uidbuf, " uid=%ld", (long)file->uid); else *uidbuf = '\0'; @@ -1476,25 +1585,43 @@ static void output_flist(struct file_list *flist) sprintf(gidbuf, " gid=%ld", (long)file->gid); else *gidbuf = '\0'; - rprintf(FINFO, "[%s] i=%d %s %s %s mode=0%o len=%.0f%s%s\n", - who_am_i(), i, NS(file->basedir), NS(file->dirname), - NS(file->basename), (int) file->mode, - (double) file->length, uidbuf, gidbuf); + if (!am_sender) + sprintf(depthbuf, "%d", file->dir.depth); + 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, + file->dirname ? safe_fname(file->dirname) : "", + file->dirname ? "/" : "", NS(file->basename), + S_ISDIR(file->mode) ? "/" : "", (int)file->mode, + (double)file->length, uidbuf, gidbuf, file->flags); } } -enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE }; +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, just like strcmp() - * would do if it were operating on the joined strings. We assume - * that there are no 0-length strings. - */ +/* 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 || !f1->basename) { if (!f2 || !f2->basename) @@ -1504,49 +1631,112 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) if (!f2 || !f2->basename) return 1; - if (!(c1 = (uchar*)f1->dirname)) { - state1 = fnc_BASE; + 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*)f1->basename; - } else - state1 = fnc_DIR; - if (!(c2 = (uchar*)f2->dirname)) { - state2 = fnc_BASE; + if (type1 == t_PATH && *c1 == '.' && !c1[1]) { + type1 = t_ITEM; + state1 = s_TRAILING; + c1 = (uchar*)""; + } else + state1 = s_BASE; + } else if (!*c1) { + type1 = t_path; + state1 = s_SLASH; + c1 = (uchar*)"/"; + } else { + type1 = t_path; + state1 = s_DIR; + } + if (!c2) { + type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; c2 = (uchar*)f2->basename; - } else - state2 = fnc_DIR; + if (type2 == t_PATH && *c2 == '.' && !c2[1]) { + type2 = t_ITEM; + state2 = s_TRAILING; + c2 = (uchar*)""; + } else + state2 = s_BASE; + } else if (!*c2) { + type2 = t_path; + state2 = s_SLASH; + c2 = (uchar*)"/"; + } else { + type2 = t_path; + state2 = s_DIR; + } + + if (type1 != type2) + return type1 == t_PATH ? 1 : -1; while (1) { - if ((dif = (int)*c1 - (int)*c2) != 0) + if ((dif = (int)*c1++ - (int)*c2++) != 0) break; - if (!*++c1) { + if (!*c1) { switch (state1) { - case fnc_DIR: - state1 = fnc_SLASH; + case s_DIR: + state1 = s_SLASH; c1 = (uchar*)"/"; break; - case fnc_SLASH: - state1 = fnc_BASE; + case s_SLASH: + type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM; c1 = (uchar*)f1->basename; + if (type1 == t_PATH && *c1 == '.' && !c1[1]) { + type1 = t_ITEM; + state1 = s_TRAILING; + c1 = (uchar*)""; + } else + state1 = s_BASE; break; - case fnc_BASE: + 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) { + if (!*c2) { switch (state2) { - case fnc_DIR: - state2 = fnc_SLASH; + case s_DIR: + state2 = s_SLASH; c2 = (uchar*)"/"; break; - case fnc_SLASH: - state2 = fnc_BASE; + case s_SLASH: + type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM; c2 = (uchar*)f2->basename; + if (type2 == t_PATH && *c2 == '.' && !c2[1]) { + type2 = t_ITEM; + state2 = s_TRAILING; + c2 = (uchar*)""; + } else + state2 = s_BASE; break; - case fnc_BASE: + 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; } } @@ -1574,8 +1764,7 @@ char *f_name_to(struct file_struct *f, char *fbuf) } -/* Like f_name_to(), but we rotate through 5 static buffers of our own. - */ +/* Like f_name_to(), but we rotate through 5 static buffers of our own. */ char *f_name(struct file_struct *f) { static char names[5][MAXPATHLEN]; @@ -1585,3 +1774,39 @@ char *f_name(struct file_struct *f) return f_name_to(f, names[n]); } + + +/* 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; + + if (dlen < 0) { + dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); + if (dlen >= MAXPATHLEN) + return NULL; + dirname = dirbuf; + } + + dirlist = flist_new(WITHOUT_HLINK, "get_dirlist"); + + recurse = 0; + send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen); + recurse = save_recurse; + if (do_progress) + flist_count_offset += dirlist->count; + + clean_flist(dirlist, 0, 0); + + if (verbose > 3) + output_flist(dirlist); + + return dirlist; +}