X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/d1f66d8d796965d90552db75d63bdbbf0b98c3f9..8686d3abba4c5b4baf443871cd19c673056a3392:/flist.c diff --git a/flist.c b/flist.c index bbba3eeb..0758f896 100644 --- a/flist.c +++ b/flist.c @@ -4,7 +4,7 @@ * Copyright (C) 1996 Andrew Tridgell * Copyright (C) 1996 Paul Mackerras * Copyright (C) 2001, 2002 Martin Pool - * Copyright (C) 2002-2008 Wayne Davison + * Copyright (C) 2002-2009 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 @@ -23,16 +23,15 @@ #include "rsync.h" #include "ifuncs.h" #include "rounding.h" +#include "inums.h" #include "io.h" -extern int verbose; extern int am_root; extern int am_server; extern int am_daemon; extern int am_sender; extern int am_generator; extern int inc_recurse; -extern int do_progress; extern int always_checksum; extern int module_id; extern int ignore_errors; @@ -43,7 +42,6 @@ extern int xfer_dirs; extern int filesfrom_fd; extern int one_file_system; extern int copy_dirlinks; -extern int keep_dirlinks; extern int preserve_uid; extern int preserve_gid; extern int preserve_acls; @@ -52,12 +50,11 @@ extern int preserve_links; extern int preserve_hard_links; extern int preserve_devices; extern int preserve_specials; -extern int uid_ndx; -extern int gid_ndx; +extern int delete_during; +extern int missing_args; extern int eol_nulls; extern int relative_paths; extern int implied_dirs; -extern int file_extra_cnt; extern int ignore_perishable; extern int non_perishable_cnt; extern int prune_empty_dirs; @@ -66,23 +63,37 @@ extern int copy_unsafe_links; extern int protocol_version; extern int sanitize_paths; extern int munge_symlinks; +extern int use_safe_inc_flist; extern int need_unsorted_flist; +extern int sender_symlink_iconv; +extern int output_needs_newline; +extern int sender_keeps_checksum; extern int unsort_ndx; +extern uid_t our_uid; extern struct stats stats; extern char *filesfrom_host; +extern char *usermap, *groupmap; extern char curr_dir[MAXPATHLEN]; extern struct chmod_mode_struct *chmod_modes; -extern struct filter_list_struct filter_list; -extern struct filter_list_struct daemon_filter_list; +extern filter_rule_list filter_list; +extern filter_rule_list daemon_filter_list; #ifdef ICONV_OPTION extern int filesfrom_convert; extern iconv_t ic_send, ic_recv; #endif +#ifdef HAVE_UTIMENSAT +#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC +#define ST_MTIME_NSEC st_mtim.tv_nsec +#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC) +#define ST_MTIME_NSEC st_mtimensec +#endif +#endif + #define PTR_SIZE (sizeof (struct file_struct *)) int io_error; @@ -93,6 +104,7 @@ struct file_list *cur_flist, *first_flist, *dir_flist; int send_dir_ndx = -1, send_dir_depth = -1; int flist_cnt = 0; /* how many (non-tmp) file list objects exist */ int file_total = 0; /* total of all active items over all file-lists */ +int file_old_total = 0; /* total of active items that will soon be gone */ int flist_eof = 0; /* all the file-lists are now known */ #define NORMAL_NAME 0 @@ -116,20 +128,19 @@ int flist_eof = 0; /* all the file-lists are now known */ * will survive just long enough to be used by send_file_entry(). */ static dev_t tmp_rdev; #ifdef SUPPORT_HARD_LINKS -static int64 tmp_dev, tmp_ino; +static int64 tmp_dev = -1, tmp_ino; #endif static char tmp_sum[MAX_DIGEST_LEN]; static char empty_sum[MAX_DIGEST_LEN]; static int flist_count_offset; /* for --delete --progress */ -static int dir_count = 0; static void flist_sort_and_clean(struct file_list *flist, int strip_root); static void output_flist(struct file_list *flist); void init_flist(void) { - if (verbose > 4) { + if (DEBUG_GTE(FLIST, 4)) { rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n", (int)FILE_STRUCT_LEN, (int)EXTRA_LEN); } @@ -140,14 +151,13 @@ void init_flist(void) static int show_filelist_p(void) { - return verbose && xfer_dirs && !am_server && !inc_recurse; + return INFO_GTE(FLIST, 1) && xfer_dirs && !am_server && !inc_recurse; } static void start_filelist_progress(char *kind) { rprintf(FCLIENT, "%s ... ", kind); - if (verbose > 1 || do_progress) - rprintf(FCLIENT, "\n"); + output_needs_newline = 1; rflush(FINFO); } @@ -158,18 +168,20 @@ static void emit_filelist_progress(int count) static void maybe_emit_filelist_progress(int count) { - if (do_progress && show_filelist_p() && (count % 100) == 0) + if (INFO_GTE(FLIST, 2) && show_filelist_p() && (count % 100) == 0) emit_filelist_progress(count); } static void finish_filelist_progress(const struct file_list *flist) { - if (do_progress) { + if (INFO_GTE(FLIST, 2)) { /* This overwrites the progress line */ rprintf(FINFO, "%d file%sto consider\n", flist->used, flist->used == 1 ? " " : "s "); - } else + } else { + output_needs_newline = 0; rprintf(FINFO, "done\n"); + } } void show_flist_stats(void) @@ -191,12 +203,12 @@ static int readlink_stat(const char *path, STRUCT_STAT *stp, char *linkbuf) if (link_stat(path, stp, copy_dirlinks) < 0) return -1; if (S_ISLNK(stp->st_mode)) { - int llen = readlink(path, linkbuf, MAXPATHLEN - 1); + int llen = do_readlink(path, linkbuf, MAXPATHLEN - 1); if (llen < 0) return -1; linkbuf[llen] = '\0'; if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { - if (verbose > 1) { + if (INFO_GTE(SYMSAFE, 1)) { rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", path, linkbuf); } @@ -316,10 +328,10 @@ static void flist_expand(struct file_list *flist, int extra) new_ptr = realloc_array(flist->files, struct file_struct *, flist->malloced); - if (verbose >= 2 && flist->malloced != FLIST_START) { - rprintf(FCLIENT, "[%s] expand file_list pointer array to %.0f bytes, did%s move\n", + if (DEBUG_GTE(FLIST, 1) && flist->malloced != FLIST_START) { + rprintf(FCLIENT, "[%s] expand file_list pointer array to %s bytes, did%s move\n", who_am_i(), - (double)sizeof flist->files[0] * flist->malloced, + big_num(sizeof flist->files[0] * flist->malloced), (new_ptr == flist->files) ? " not" : ""); } @@ -375,7 +387,7 @@ int change_pathname(struct file_struct *file, const char *dir, int dirlen) if (!change_dir(dir, CD_NORMAL)) { chdir_error: io_error |= IOERR_GENERAL; - rsyserr(FERROR, errno, "change_dir %s failed", full_fname(dir)); + rsyserr(FERROR_XFER, errno, "change_dir %s failed", full_fname(dir)); if (dir != orig_dir) change_dir(orig_dir, CD_NORMAL); pathname = NULL; @@ -386,7 +398,11 @@ int change_pathname(struct file_struct *file, const char *dir, int dirlen) return 1; } -static void send_file_entry(int f, const char *fname, struct file_struct *file, int ndx, int first_ndx) +static void send_file_entry(int f, const char *fname, struct file_struct *file, +#ifdef SUPPORT_LINKS + const char *symlink_name, int symlink_len, +#endif + int ndx, int first_ndx) { static time_t modtime; static mode_t mode; @@ -399,29 +415,42 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, static gid_t gid; static const char *user_name, *group_name; static char lastname[MAXPATHLEN]; +#ifdef SUPPORT_HARD_LINKS int first_hlink_ndx = -1; +#endif int l1, l2; int xflags; - /* Initialize starting value of xflags. */ - if (protocol_version >= 30 && S_ISDIR(file->mode)) { - dir_count++; - if (file->flags & FLAG_CONTENT_DIR) - xflags = file->flags & FLAG_TOP_DIR; - else if (file->flags & FLAG_IMPLIED_DIR) - xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR; - else - xflags = XMIT_NO_CONTENT_DIR; - } else - xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */ + /* Initialize starting value of xflags and adjust counts. */ + if (S_ISREG(file->mode)) + xflags = 0; + else if (S_ISDIR(file->mode)) { + stats.num_dirs++; + if (protocol_version >= 30) { + if (file->flags & FLAG_CONTENT_DIR) + xflags = file->flags & FLAG_TOP_DIR; + else if (file->flags & FLAG_IMPLIED_DIR) + xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR; + else + xflags = XMIT_NO_CONTENT_DIR; + } else + xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */ + } else { + if (S_ISLNK(file->mode)) + stats.num_symlinks++; + else if (IS_DEVICE(file->mode)) + stats.num_devices++; + else if (IS_SPECIAL(file->mode)) + stats.num_specials++; + xflags = 0; + } if (file->mode == mode) xflags |= XMIT_SAME_MODE; else mode = file->mode; - if ((preserve_devices && IS_DEVICE(mode)) - || (preserve_specials && IS_SPECIAL(mode))) { + if (preserve_devices && IS_DEVICE(mode)) { if (protocol_version < 28) { if (tmp_rdev == rdev) xflags |= XMIT_SAME_RDEV_pre28; @@ -436,6 +465,17 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu) xflags |= XMIT_RDEV_MINOR_8_pre30; } + } else if (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31) { + /* Special files don't need an rdev number, so just make + * the historical transmission of the value efficient. */ + if (protocol_version < 28) + xflags |= XMIT_SAME_RDEV_pre28; + else { + rdev = MAKEDEV(major(rdev), 0); + xflags |= XMIT_SAME_RDEV_MAJOR; + if (protocol_version < 30) + xflags |= XMIT_RDEV_MINOR_8_pre30; + } } else if (protocol_version < 28) rdev = MAKEDEV(0, 0); if (!preserve_uid || ((uid_t)F_OWNER(file) == uid && *lastname)) @@ -462,9 +502,11 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, xflags |= XMIT_SAME_TIME; else modtime = file->modtime; + if (NSEC_BUMP(file) && protocol_version >= 31) + xflags |= XMIT_MOD_NSEC; #ifdef SUPPORT_HARD_LINKS - if (tmp_dev != 0) { + if (tmp_dev != -1) { if (protocol_version >= 30) { struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino); first_hlink_ndx = (int32)(long)np->data - 1; @@ -472,6 +514,17 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, np->data = (void*)(long)(first_ndx + ndx + 1); xflags |= XMIT_HLINK_FIRST; } + if (DEBUG_GTE(HLINK, 1)) { + if (first_hlink_ndx >= 0) { + rprintf(FINFO, "[%s] #%d hard-links #%d (%sabbrev)\n", + who_am_i(), first_ndx + ndx, first_hlink_ndx, + first_hlink_ndx >= first_ndx ? "" : "un"); + } else if (DEBUG_GTE(HLINK, 3)) { + rprintf(FINFO, "[%s] dev:inode for #%d is %s:%s\n", + who_am_i(), first_ndx + ndx, + big_num(tmp_dev), big_num(tmp_ino)); + } + } } else { if (tmp_dev == dev) { if (protocol_version >= 28) @@ -518,11 +571,13 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, write_byte(f, l2); write_buf(f, fname + l1, l2); +#ifdef SUPPORT_HARD_LINKS if (first_hlink_ndx >= 0) { write_varint(f, first_hlink_ndx); if (first_hlink_ndx >= first_ndx) goto the_end; } +#endif write_varlong30(f, F_LENGTH(file), 3); if (!(xflags & XMIT_SAME_TIME)) { @@ -531,6 +586,8 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, else write_int(f, modtime); } + if (xflags & XMIT_MOD_NSEC) + write_varint(f, F_MOD_NSEC(file)); if (!(xflags & XMIT_SAME_MODE)) write_int(f, to_wire_mode(mode)); if (preserve_uid && !(xflags & XMIT_SAME_UID)) { @@ -558,7 +615,7 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, } } if ((preserve_devices && IS_DEVICE(mode)) - || (preserve_specials && IS_SPECIAL(mode))) { + || (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31)) { if (protocol_version < 28) { if (!(xflags & XMIT_SAME_RDEV_pre28)) write_int(f, (int)rdev); @@ -575,24 +632,24 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, } #ifdef SUPPORT_LINKS - if (preserve_links && S_ISLNK(mode)) { - const char *sl = F_SYMLINK(file); - int len = strlen(sl); - write_varint30(f, len); - write_buf(f, sl, len); + if (symlink_len) { + write_varint30(f, symlink_len); + write_buf(f, symlink_name, symlink_len); } #endif #ifdef SUPPORT_HARD_LINKS - if (tmp_dev != 0 && protocol_version < 30) { + if (tmp_dev != -1 && protocol_version < 30) { + /* Older protocols expect the dev number to be transmitted + * 1-incremented so that it is never zero. */ if (protocol_version < 26) { /* 32-bit dev_t and ino_t */ - write_int(f, (int32)dev); + write_int(f, (int32)(dev+1)); write_int(f, (int32)tmp_ino); } else { /* 64-bit dev_t and ino_t */ if (!(xflags & XMIT_SAME_DEV_pre30)) - write_longint(f, dev); + write_longint(f, dev+1); write_longint(f, tmp_ino); } } @@ -609,15 +666,16 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file, write_buf(f, sum, checksum_len); } +#ifdef SUPPORT_HARD_LINKS the_end: +#endif strlcpy(lastname, fname, MAXPATHLEN); if (S_ISREG(mode) || S_ISLNK(mode)) stats.total_size += F_LENGTH(file); } -static struct file_struct *recv_file_entry(struct file_list *flist, - int xflags, int f) +static struct file_struct *recv_file_entry(int f, struct file_list *flist, int xflags) { static int64 modtime; static mode_t mode; @@ -638,7 +696,8 @@ static struct file_struct *recv_file_entry(struct file_list *flist, int alloc_len, basename_len, linkname_len; int extra_len = file_extra_cnt * EXTRA_LEN; int first_hlink_ndx = -1; - OFF_T file_length; + int64 file_length; + uint32 modtime_nsec; const char *basename; struct file_struct *file; alloc_pool_t *pool; @@ -671,16 +730,16 @@ static struct file_struct *recv_file_entry(struct file_list *flist, xbuf outbuf, inbuf; INIT_CONST_XBUF(outbuf, thisname); - INIT_XBUF(inbuf, lastname, basename_len, -1); + INIT_XBUF(inbuf, lastname, basename_len, (size_t)-1); - if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) { + if (iconvbufs(ic_recv, &inbuf, &outbuf, ICB_INIT) < 0) { io_error |= IOERR_GENERAL; - rprintf(FINFO, + rprintf(FERROR_UTF8, "[%s] cannot convert filename: %s (%s)\n", who_am_i(), lastname, strerror(errno)); outbuf.len = 0; } - outbuf.buf[outbuf.len] = '\0'; + thisname[outbuf.len] = '\0'; } #endif @@ -713,17 +772,22 @@ static struct file_struct *recv_file_entry(struct file_list *flist, first_hlink_ndx, flist->ndx_start + flist->used); exit_cleanup(RERR_PROTOCOL); } + if (DEBUG_GTE(HLINK, 1)) { + rprintf(FINFO, "[%s] #%d hard-links #%d (%sabbrev)\n", + who_am_i(), flist->used+flist->ndx_start, first_hlink_ndx, + first_hlink_ndx >= flist->ndx_start ? "" : "un"); + } if (first_hlink_ndx >= flist->ndx_start) { struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start]; file_length = F_LENGTH(first); modtime = first->modtime; + modtime_nsec = F_MOD_NSEC(first); mode = first->mode; if (preserve_uid) uid = F_OWNER(first); if (preserve_gid) gid = F_GROUP(first); - if ((preserve_devices && IS_DEVICE(mode)) - || (preserve_specials && IS_SPECIAL(mode))) { + if (preserve_devices && IS_DEVICE(mode)) { uint32 *devp = F_RDEV_P(first); rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp)); extra_len += DEV_EXTRA_CNT * EXTRA_LEN; @@ -751,10 +815,14 @@ static struct file_struct *recv_file_entry(struct file_list *flist, } else modtime = read_int(f); } + if (xflags & XMIT_MOD_NSEC) + modtime_nsec = read_varint(f); + else + modtime_nsec = 0; if (!(xflags & XMIT_SAME_MODE)) mode = from_wire_mode(read_int(f)); - if (chmod_modes && !S_ISLNK(mode)) + if (chmod_modes && !S_ISLNK(mode) && mode) mode = tweak_mode(mode, chmod_modes); if (preserve_uid && !(xflags & XMIT_SAME_UID)) { @@ -764,7 +832,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, uid = (uid_t)read_varint(f); if (xflags & XMIT_USER_NAME_FOLLOWS) uid = recv_user_name(f, uid); - else if (inc_recurse && am_root && !numeric_ids) + else if (inc_recurse && am_root && (!numeric_ids || usermap)) uid = match_uid(uid); } } @@ -776,13 +844,13 @@ static struct file_struct *recv_file_entry(struct file_list *flist, gid_flags = 0; if (xflags & XMIT_GROUP_NAME_FOLLOWS) gid = recv_group_name(f, gid, &gid_flags); - else if (inc_recurse && (!am_root || !numeric_ids)) + else if (inc_recurse && (!am_root || !numeric_ids || groupmap)) gid = match_gid(gid, &gid_flags); } } if ((preserve_devices && IS_DEVICE(mode)) - || (preserve_specials && IS_SPECIAL(mode))) { + || (preserve_specials && IS_SPECIAL(mode) && protocol_version < 31)) { if (protocol_version < 28) { if (!(xflags & XMIT_SAME_RDEV_pre28)) rdev = (dev_t)read_int(f); @@ -798,7 +866,8 @@ static struct file_struct *recv_file_entry(struct file_list *flist, rdev_minor = read_int(f); rdev = MAKEDEV(rdev_major, rdev_minor); } - extra_len += DEV_EXTRA_CNT * EXTRA_LEN; + if (IS_DEVICE(mode)) + extra_len += DEV_EXTRA_CNT * EXTRA_LEN; file_length = 0; } else if (protocol_version < 28) rdev = MAKEDEV(0, 0); @@ -811,6 +880,13 @@ static struct file_struct *recv_file_entry(struct file_list *flist, linkname_len - 1); overflow_exit("recv_file_entry"); } +#ifdef ICONV_OPTION + /* We don't know how much extra room we need to convert + * the as-yet-unread symlink data, so let's hope that a + * double-size buffer is plenty. */ + if (sender_symlink_iconv) + linkname_len *= 2; +#endif if (munge_symlinks) linkname_len += SYMLINK_PREFIX_LEN; } @@ -837,8 +913,18 @@ static struct file_struct *recv_file_entry(struct file_list *flist, if (always_checksum && S_ISREG(mode)) extra_len += SUM_EXTRA_CNT * EXTRA_LEN; +#if SIZEOF_INT64 >= 8 if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) extra_len += EXTRA_LEN; +#endif +#ifdef HAVE_UTIMENSAT + if (modtime_nsec) + extra_len += EXTRA_LEN; +#endif + if (file_length < 0) { + rprintf(FERROR, "Offset underflow: file-length is negative\n"); + exit_cleanup(RERR_UNSUPPORTED); + } if (inc_recurse && S_ISDIR(mode)) { if (one_file_system) { @@ -870,11 +956,24 @@ static struct file_struct *recv_file_entry(struct file_list *flist, file->flags |= FLAG_HLINKED; #endif file->modtime = (time_t)modtime; +#ifdef HAVE_UTIMENSAT + if (modtime_nsec) { + file->flags |= FLAG_MOD_NSEC; + OPT_EXTRA(file, 0)->unum = modtime_nsec; + } +#endif file->len32 = (uint32)file_length; +#if SIZEOF_INT64 >= 8 if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) { +#if SIZEOF_CAPITAL_OFF_T < 8 + rprintf(FERROR, "Offset overflow: attempted 64-bit file-length\n"); + exit_cleanup(RERR_UNSUPPORTED); +#else file->flags |= FLAG_LENGTH64; - OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32); + OPT_EXTRA(file, NSEC_BUMP(file))->unum = (uint32)(file_length >> 32); +#endif } +#endif file->mode = mode; if (preserve_uid) F_OWNER(file) = uid; @@ -919,8 +1018,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, } } - if ((preserve_devices && IS_DEVICE(mode)) - || (preserve_specials && IS_SPECIAL(mode))) { + if (preserve_devices && IS_DEVICE(mode)) { uint32 *devp = F_RDEV_P(file); DEV_MAJOR(devp) = major(rdev); DEV_MINOR(devp) = minor(rdev); @@ -932,14 +1030,40 @@ static struct file_struct *recv_file_entry(struct file_list *flist, if (first_hlink_ndx >= flist->ndx_start) { struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start]; memcpy(bp, F_SYMLINK(first), linkname_len); - } else if (munge_symlinks) { - strlcpy(bp, SYMLINK_PREFIX, linkname_len); - bp += SYMLINK_PREFIX_LEN; - linkname_len -= SYMLINK_PREFIX_LEN; - read_sbuf(f, bp, linkname_len - 1); } else { - read_sbuf(f, bp, linkname_len - 1); - if (sanitize_paths) + if (munge_symlinks) { + strlcpy(bp, SYMLINK_PREFIX, linkname_len); + bp += SYMLINK_PREFIX_LEN; + linkname_len -= SYMLINK_PREFIX_LEN; + } +#ifdef ICONV_OPTION + if (sender_symlink_iconv) { + xbuf outbuf, inbuf; + + alloc_len = linkname_len; + linkname_len /= 2; + + /* Read the symlink data into the end of our double-sized + * buffer and then convert it into the right spot. */ + INIT_XBUF(inbuf, bp + alloc_len - linkname_len, + linkname_len - 1, (size_t)-1); + read_sbuf(f, inbuf.buf, inbuf.len); + INIT_XBUF(outbuf, bp, 0, alloc_len); + + if (iconvbufs(ic_recv, &inbuf, &outbuf, ICB_INIT) < 0) { + io_error |= IOERR_GENERAL; + rprintf(FERROR_XFER, + "[%s] cannot convert symlink data for: %s (%s)\n", + who_am_i(), full_fname(thisname), strerror(errno)); + bp = (char*)file->basename; + *bp++ = '\0'; + outbuf.len = 0; + } + bp[outbuf.len] = '\0'; + } else +#endif + read_sbuf(f, bp, linkname_len - 1); + if (sanitize_paths && !munge_symlinks && *bp) sanitize_path(bp, bp, "", lastdir_depth, SP_DEFAULT); } } @@ -992,11 +1116,11 @@ static struct file_struct *recv_file_entry(struct file_list *flist, #ifdef SUPPORT_ACLS if (preserve_acls && !S_ISLNK(mode)) - receive_acl(file, f); + receive_acl(f, file); #endif #ifdef SUPPORT_XATTRS if (preserve_xattrs) - receive_xattr(file, f ); + receive_xattr(f, file); #endif if (S_ISREG(mode) || S_ISLNK(mode)) @@ -1009,7 +1133,12 @@ static struct file_struct *recv_file_entry(struct file_list *flist, * and performing extensive checks against global options. * * Returns a pointer to the new file struct, or NULL if there was an error - * or this file should be excluded. */ + * or this file should be excluded. + * + * Note: Any error (here or in send_file_name) that results in the omission of + * an existent source file from the file list should set + * "io_error |= IOERR_GENERAL" to avoid deletion of the file from the + * destination if --delete is on. */ struct file_struct *make_file(const char *fname, struct file_list *flist, STRUCT_STAT *stp, int flags, int filter_level) { @@ -1023,19 +1152,21 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, const char *basename; alloc_pool_t *pool; STRUCT_STAT st; - int excl_ret; char *bp; if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) { - rprintf(FINFO, "skipping overly long name: %s\n", fname); + io_error |= IOERR_GENERAL; + rprintf(FERROR_XFER, "skipping overly long name: %s\n", fname); return NULL; } clean_fname(thisname, 0); if (sanitize_paths) sanitize_path(thisname, thisname, "", 0, SP_DEFAULT); - if (stp && S_ISDIR(stp->st_mode)) { - st = *stp; /* Needed for "symlink/." with --relative. */ + if (stp && (S_ISDIR(stp->st_mode) || stp->st_mode == 0)) { + /* This is needed to handle a "symlink/." with a --relative + * dir, or a request to delete a specific file. */ + st = *stp; *linkname = '\0'; /* make IBM code checker happy */ } else if (readlink_stat(thisname, &st, linkname) != 0) { int save_errno = errno; @@ -1072,13 +1203,17 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, } } else { io_error |= IOERR_GENERAL; - rsyserr(FERROR_XFER, save_errno, "readlink %s failed", + rsyserr(FERROR_XFER, save_errno, "readlink_stat(%s) failed", full_fname(thisname)); } return NULL; + } else if (st.st_mode == 0) { + io_error |= IOERR_GENERAL; + rprintf(FINFO, "skipping file with bogus (zero) st_mode: %s\n", + full_fname(thisname)); + return NULL; } - /* backup.c calls us with filter_level set to NO_FILTERS. */ if (filter_level == NO_FILTERS) goto skip_filters; @@ -1093,7 +1228,7 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, if (one_file_system && st.st_dev != filesystem_dev && BITS_SETnUNSET(flags, FLAG_CONTENT_DIR, FLAG_TOP_DIR)) { if (one_file_system > 1) { - if (verbose > 1) { + if (INFO_GTE(MOUNT, 1)) { rprintf(FINFO, "[%s] skipping mount-point dir %s\n", who_am_i(), thisname); @@ -1106,17 +1241,7 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, } else flags &= ~FLAG_CONTENT_DIR; - if (S_ISDIR(st.st_mode)) { - if (flags & FLAG_DOTDIR_NAME) { - /* A "." fname (or "/." fname in relative mode) is - * never excluded. No other trailing-dotdir names - * are possible. */ - excl_ret = 0; - } else - excl_ret = is_excluded(thisname, 1, filter_level); - } else - excl_ret = is_excluded(thisname, 0, filter_level); - if (excl_ret) { + if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) { if (ignore_perishable) non_perishable_cnt++; return NULL; @@ -1152,7 +1277,7 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, pool = NULL; } - if (verbose > 2) { + if (DEBUG_GTE(FLIST, 2)) { rprintf(FINFO, "[%s] make_file(%s,*,%d)\n", who_am_i(), thisname, filter_level); } @@ -1175,8 +1300,20 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, linkname_len = 0; #endif +#ifdef ST_MTIME_NSEC + if (st.ST_MTIME_NSEC && protocol_version >= 31) + extra_len += EXTRA_LEN; +#endif +#if SIZEOF_CAPITAL_OFF_T >= 8 if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) extra_len += EXTRA_LEN; +#endif + + if (always_checksum && am_sender && S_ISREG(st.st_mode)) { + file_checksum(thisname, tmp_sum, st.st_size); + if (sender_keeps_checksum) + extra_len += SUM_EXTRA_CNT * EXTRA_LEN; + } #if EXTRA_ROUNDING > 0 if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN)) @@ -1204,32 +1341,43 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, if (protocol_version >= 28 ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1) : S_ISREG(st.st_mode)) { - tmp_dev = st.st_dev; - tmp_ino = st.st_ino; + tmp_dev = (int64)st.st_dev; + tmp_ino = (int64)st.st_ino; } else - tmp_dev = 0; + tmp_dev = -1; } #endif #ifdef HAVE_STRUCT_STAT_ST_RDEV - if (IS_DEVICE(st.st_mode) || IS_SPECIAL(st.st_mode)) { + if (IS_DEVICE(st.st_mode)) { tmp_rdev = st.st_rdev; st.st_size = 0; - } + } else if (IS_SPECIAL(st.st_mode)) + st.st_size = 0; #endif file->flags = flags; file->modtime = st.st_mtime; +#ifdef ST_MTIME_NSEC + if (st.ST_MTIME_NSEC && protocol_version >= 31) { + file->flags |= FLAG_MOD_NSEC; + OPT_EXTRA(file, 0)->unum = st.ST_MTIME_NSEC; + } +#endif file->len32 = (uint32)st.st_size; +#if SIZEOF_CAPITAL_OFF_T >= 8 if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) { file->flags |= FLAG_LENGTH64; - OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32); + OPT_EXTRA(file, NSEC_BUMP(file))->unum = (uint32)(st.st_size >> 32); } +#endif file->mode = st.st_mode; - if (uid_ndx) /* Check uid_ndx instead of preserve_uid for del support */ + if (preserve_uid) F_OWNER(file) = st.st_uid; - if (gid_ndx) /* Check gid_ndx instead of preserve_gid for del support */ + if (preserve_gid) F_GROUP(file) = st.st_gid; + if (am_generator && st.st_uid == our_uid) + file->flags |= FLAG_OWNED_BY_US; if (basename != thisname) file->dirname = lastdir; @@ -1239,41 +1387,22 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, memcpy(bp + basename_len, linkname, linkname_len); #endif - if (always_checksum && am_sender && S_ISREG(st.st_mode)) - file_checksum(thisname, tmp_sum, st.st_size); - if (am_sender) F_PATHNAME(file) = pathname; else if (!pool) F_DEPTH(file) = extra_len / EXTRA_LEN; - /* This code is only used by the receiver when it is building - * a list of files for a delete pass. */ - if (keep_dirlinks && linkname_len && flist) { - STRUCT_STAT st2; - int save_mode = file->mode; - file->mode = S_IFDIR; /* Find a directory with our name. */ - if (flist_find(dir_flist, file) >= 0 - && x_stat(thisname, &st2, NULL) == 0 && S_ISDIR(st2.st_mode)) { - file->modtime = st2.st_mtime; - file->len32 = 0; - file->mode = st2.st_mode; - if (uid_ndx) - F_OWNER(file) = st2.st_uid; - if (gid_ndx) - F_GROUP(file) = st2.st_gid; - } else - file->mode = save_mode; - } - if (basename_len == 0+1) { if (!pool) unmake_file(file); return NULL; } + if (sender_keeps_checksum && S_ISREG(st.st_mode)) + memcpy(F_SUM(file), tmp_sum, checksum_len); + if (unsort_ndx) - F_NDX(file) = dir_count; + F_NDX(file) = stats.num_dirs; return file; } @@ -1294,13 +1423,39 @@ static struct file_struct *send_file_name(int f, struct file_list *flist, if (!file) return NULL; - if (chmod_modes && !S_ISLNK(file->mode)) + if (chmod_modes && !S_ISLNK(file->mode) && file->mode) file->mode = tweak_mode(file->mode, chmod_modes); if (f >= 0) { char fbuf[MAXPATHLEN]; +#ifdef SUPPORT_LINKS + const char *symlink_name; + int symlink_len; +#ifdef ICONV_OPTION + char symlink_buf[MAXPATHLEN]; +#endif +#endif #if defined SUPPORT_ACLS || defined SUPPORT_XATTRS stat_x sx; + init_stat_x(&sx); +#endif + +#ifdef SUPPORT_LINKS + if (preserve_links && S_ISLNK(file->mode)) { + symlink_name = F_SYMLINK(file); + symlink_len = strlen(symlink_name); + if (symlink_len == 0) { + io_error |= IOERR_GENERAL; + f_name(file, fbuf); + rprintf(FERROR_XFER, + "skipping symlink with 0-length value: %s\n", + full_fname(fbuf)); + return NULL; + } + } else { + symlink_name = NULL; + symlink_len = 0; + } #endif #ifdef ICONV_OPTION @@ -1312,22 +1467,41 @@ static struct file_struct *send_file_name(int f, struct file_list *flist, if (file->dirname) { INIT_XBUF_STRLEN(inbuf, (char*)file->dirname); outbuf.size -= 2; /* Reserve room for '/' & 1 more char. */ - if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) + if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) goto convert_error; outbuf.size += 2; - outbuf.buf[outbuf.len++] = '/'; + fbuf[outbuf.len++] = '/'; } INIT_XBUF_STRLEN(inbuf, (char*)file->basename); - if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) { + if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) { convert_error: io_error |= IOERR_GENERAL; - rprintf(FINFO, + rprintf(FERROR_XFER, "[%s] cannot convert filename: %s (%s)\n", who_am_i(), f_name(file, fbuf), strerror(errno)); return NULL; } - outbuf.buf[outbuf.len] = '\0'; + fbuf[outbuf.len] = '\0'; + +#ifdef SUPPORT_LINKS + if (symlink_len && sender_symlink_iconv) { + INIT_XBUF(inbuf, (char*)symlink_name, symlink_len, (size_t)-1); + INIT_CONST_XBUF(outbuf, symlink_buf); + if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) { + io_error |= IOERR_GENERAL; + f_name(file, fbuf); + rprintf(FERROR_XFER, + "[%s] cannot convert symlink data for: %s (%s)\n", + who_am_i(), full_fname(fbuf), strerror(errno)); + return NULL; + } + symlink_buf[outbuf.len] = '\0'; + + symlink_name = symlink_buf; + symlink_len = outbuf.len; + } +#endif } else #endif f_name(file, fbuf); @@ -1335,30 +1509,37 @@ static struct file_struct *send_file_name(int f, struct file_list *flist, #ifdef SUPPORT_ACLS if (preserve_acls && !S_ISLNK(file->mode)) { sx.st.st_mode = file->mode; - sx.acc_acl = sx.def_acl = NULL; - if (get_acl(fname, &sx) < 0) + if (get_acl(fname, &sx) < 0) { + io_error |= IOERR_GENERAL; return NULL; + } } #endif #ifdef SUPPORT_XATTRS if (preserve_xattrs) { - sx.xattr = NULL; - if (get_xattr(fname, &sx) < 0) + sx.st.st_mode = file->mode; + if (get_xattr(fname, &sx) < 0) { + io_error |= IOERR_GENERAL; return NULL; + } } #endif - send_file_entry(f, fbuf, file, flist->used, flist->ndx_start); + send_file_entry(f, fbuf, file, +#ifdef SUPPORT_LINKS + symlink_name, symlink_len, +#endif + flist->used, flist->ndx_start); #ifdef SUPPORT_ACLS if (preserve_acls && !S_ISLNK(file->mode)) { - send_acl(&sx, f); + send_acl(f, &sx); free_acl(&sx); } #endif #ifdef SUPPORT_XATTRS if (preserve_xattrs) { - F_XATTR(file) = send_xattr(&sx, f); + F_XATTR(file) = send_xattr(f, &sx); free_xattr(&sx); } #endif @@ -1385,12 +1566,6 @@ static void send_if_directory(int f, struct file_list *flist, unsigned int len = strlen(fbuf); if (len > 1 && fbuf[len-1] == '/') fbuf[--len] = '\0'; - if (len >= MAXPATHLEN - 1) { - io_error |= IOERR_GENERAL; - rprintf(FERROR_XFER, "skipping long-named directory: %s\n", - full_fname(fbuf)); - return; - } save_filters = push_local_filters(fbuf, len); send_directory(f, flist, fbuf, len, flags); pop_local_filters(save_filters); @@ -1506,6 +1681,19 @@ static void add_dirs_to_tree(int parent_ndx, struct file_list *from_flist, DIR_NEXT_SIBLING(dp) = -1; } +static void interpret_stat_error(const char *fname, int is_dir) +{ + if (errno == ENOENT) { + io_error |= IOERR_VANISHED; + rprintf(FWARNING, "%s has vanished: %s\n", + is_dir ? "directory" : "file", full_fname(fname)); + } else { + io_error |= IOERR_GENERAL; + rsyserr(FERROR_XFER, errno, "link_stat %s failed", + full_fname(fname)); + } +} + /* 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() @@ -1525,32 +1713,46 @@ static void send_directory(int f, struct file_list *flist, char *fbuf, int len, assert(flist != NULL); if (!(d = opendir(fbuf))) { + if (errno == ENOENT) { + if (am_sender) /* Can abuse this for vanished error w/ENOENT: */ + interpret_stat_error(fbuf, True); + return; + } io_error |= IOERR_GENERAL; rsyserr(FERROR_XFER, errno, "opendir %s failed", full_fname(fbuf)); return; } p = fbuf + len; - if (len != 1 || *fbuf != '/') + if (len == 1 && *fbuf == '/') + remainder = MAXPATHLEN - 1; + else if (len < MAXPATHLEN-1) { *p++ = '/'; - *p = '\0'; - remainder = MAXPATHLEN - (p - fbuf); + *p = '\0'; + remainder = MAXPATHLEN - (len + 1); + } else + remainder = 0; for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) { + unsigned name_len; char *dname = d_name(di); if (dname[0] == '.' && (dname[1] == '\0' || (dname[1] == '.' && dname[2] == '\0'))) continue; - if (strlcpy(p, dname, remainder) >= remainder) { + name_len = strlcpy(p, dname, remainder); + if (name_len >= remainder) { + char save = fbuf[len]; + fbuf[len] = '\0'; io_error |= IOERR_GENERAL; - rprintf(FINFO, - "cannot send long-named file %s\n", - full_fname(fbuf)); + rprintf(FERROR_XFER, + "filename overflows max-path len by %u: %s/%s\n", + name_len - remainder + 1, fbuf, dname); + fbuf[len] = save; continue; } if (dname[0] == '\0') { io_error |= IOERR_GENERAL; - rprintf(FINFO, + rprintf(FERROR_XFER, "cannot send file with empty name in %s\n", full_fname(fbuf)); continue; @@ -1586,7 +1788,7 @@ static void send_implied_dirs(int f, struct file_list *flist, char *fname, item_list *relname_list; relnamecache **rnpp; int len, need_new_dir, depth = 0; - struct filter_list_struct save_filter_list = filter_list; + filter_rule_list save_filter_list = filter_list; flags = (flags | FLAG_IMPLIED_DIR) & ~(FLAG_TOP_DIR | FLAG_CONTENT_DIR); filter_list.head = filter_list.tail = NULL; /* Don't filter implied dirs. */ @@ -1677,6 +1879,15 @@ done: filter_list = save_filter_list; } +static NORETURN void fatal_unsafe_io_error(void) +{ + /* This (sadly) can only happen when pushing data because + * the sender does not know about what kind of delete + * is in effect on the receiving side when pulling. */ + rprintf(FERROR_XFER, "FATAL I/O ERROR: dying to avoid a --delete-during issue with a pre-3.0.7 receiver.\n"); + exit_cleanup(RERR_UNSUPPORTED); +} + static void send1extra(int f, struct file_struct *file, struct file_list *flist) { char fbuf[MAXPATHLEN]; @@ -1696,9 +1907,7 @@ static void send1extra(int f, struct file_struct *file, struct file_list *flist) if (one_file_system) { STRUCT_STAT st; if (link_stat(fbuf, &st, copy_dirlinks) != 0) { - io_error |= IOERR_GENERAL; - rsyserr(FERROR_XFER, errno, "link_stat %s failed", - full_fname(fbuf)); + interpret_stat_error(fbuf, True); return; } filesystem_dev = st.st_dev; @@ -1733,9 +1942,7 @@ static void send1extra(int f, struct file_struct *file, struct file_list *flist) if (name_type != NORMAL_NAME) { STRUCT_STAT st; if (link_stat(fbuf, &st, 1) != 0) { - io_error |= IOERR_GENERAL; - rsyserr(FERROR_XFER, errno, "link_stat %s failed", - full_fname(fbuf)); + interpret_stat_error(fbuf, True); continue; } send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR | flags, ALL_FILTERS); @@ -1751,19 +1958,19 @@ void send_extra_file_list(int f, int at_least) struct file_list *flist; int64 start_write; uint16 prev_flags; - int old_cnt, save_io_error = io_error; + int save_io_error = io_error; if (flist_eof) return; + if (at_least < 0) + at_least = file_total - file_old_total + 1; + /* Keep sending data until we have the requested number of * files in the upcoming file-lists. */ - old_cnt = cur_flist->used; - for (flist = first_flist; flist != cur_flist; flist = flist->next) - old_cnt += flist->used; - while (file_total - old_cnt < at_least) { + while (file_total - file_old_total < at_least) { struct file_struct *file = dir_flist->sorted[send_dir_ndx]; - int dir_ndx, dstart = dir_count; + int dir_ndx, dstart = stats.num_dirs; const char *pathname = F_PATHNAME(file); int32 *dp; @@ -1796,7 +2003,16 @@ void send_extra_file_list(int f, int at_least) dp = F_DIR_NODE_P(file); } - write_byte(f, 0); + if (io_error == save_io_error || ignore_errors) + write_byte(f, 0); + else if (use_safe_inc_flist) { + write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST); + write_varint(f, io_error); + } else { + if (delete_during) + fatal_unsafe_io_error(); + write_byte(f, 0); + } if (need_unsorted_flist) { if (!(flist->sorted = new_array(struct file_struct *, flist->used))) @@ -1808,13 +2024,13 @@ void send_extra_file_list(int f, int at_least) flist_sort_and_clean(flist, 0); - add_dirs_to_tree(send_dir_ndx, flist, dir_count - dstart); + add_dirs_to_tree(send_dir_ndx, flist, stats.num_dirs - dstart); flist_done_allocating(flist); file_total += flist->used; stats.flist_size += stats.total_written - start_write; stats.num_files += flist->used; - if (verbose > 3) + if (DEBUG_GTE(FLIST, 3)) output_flist(flist); if (DIR_FIRST_CHILD(dp) >= 0) { @@ -1825,6 +2041,8 @@ void send_extra_file_list(int f, int at_least) if ((send_dir_ndx = DIR_PARENT(dp)) < 0) { write_ndx(f, NDX_FLIST_EOF); flist_eof = 1; + if (DEBUG_GTE(FLIST, 3)) + rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i()); change_local_filter_dir(NULL, 0, 0); goto finish; } @@ -1837,7 +2055,7 @@ void send_extra_file_list(int f, int at_least) } finish: - if (io_error != save_io_error && !ignore_errors) + if (io_error != save_io_error && protocol_version == 30 && !ignore_errors) send_msg_int(MSG_IO_ERROR, io_error); } @@ -1852,8 +2070,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) struct timeval start_tv, end_tv; int64 start_write; int use_ff_fd = 0; - int disable_buffering; - int arg_flags, flags = recurse ? FLAG_CONTENT_DIR : 0; + int disable_buffering, reenable_multiplex = -1; + int flags = recurse ? FLAG_CONTENT_DIR : 0; int reading_remotely = filesfrom_host != NULL; int rl_flags = (reading_remotely ? 0 : RL_DUMP_COMMENTS) #ifdef ICONV_OPTION @@ -1865,15 +2083,12 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) rprintf(FLOG, "building file list\n"); if (show_filelist_p()) start_filelist_progress("building file list"); - else if (inc_recurse && verbose && !am_server) + else if (inc_recurse && INFO_GTE(FLIST, 1) && !am_server) rprintf(FCLIENT, "sending incremental file list\n"); start_write = stats.total_written; gettimeofday(&start_tv, NULL); - if (!orig_dir) - orig_dir = strdup(curr_dir); - if (relative_paths && protocol_version >= 30) implied_dirs = 1; /* We send flagged implied dirs */ @@ -1896,9 +2111,18 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) full_fname(argv[0])); exit_cleanup(RERR_FILESELECT); } + if (protocol_version < 31) { + /* Older protocols send the files-from data w/o packaging + * it in multiplexed I/O packets, so temporarily switch + * to buffered I/O to match this behavior. */ + reenable_multiplex = io_end_multiplex_in(MPLX_TO_BUFFERED); + } use_ff_fd = 1; } + if (!orig_dir) + orig_dir = strdup(curr_dir); + while (1) { char fbuf[MAXPATHLEN], *fn, name_type; @@ -2029,20 +2253,36 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0 || (name_type != DOTDIR_NAME && is_daemon_excluded(fbuf, S_ISDIR(st.st_mode))) || (relative_paths && path_is_daemon_excluded(fbuf, 1))) { - io_error |= IOERR_GENERAL; - rsyserr(FERROR_XFER, errno, "link_stat %s failed", - full_fname(fbuf)); - continue; + if (errno != ENOENT || missing_args == 0) { + /* This is a transfer error, but inhibit deletion + * only if we might be omitting an existing file. */ + if (errno != ENOENT) + io_error |= IOERR_GENERAL; + rsyserr(FERROR_XFER, errno, "link_stat %s failed", + full_fname(fbuf)); + continue; + } else if (missing_args == 1) { + /* Just ignore the arg. */ + continue; + } else /* (missing_args == 2) */ { + /* Send the arg as a "missing" entry with + * mode 0, which tells the generator to delete it. */ + memset(&st, 0, sizeof st); + } } + /* A dot-dir should not be excluded! */ + if (name_type != DOTDIR_NAME && st.st_mode != 0 + && is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS)) + continue; + if (S_ISDIR(st.st_mode) && !xfer_dirs) { rprintf(FINFO, "skipping directory %s\n", fbuf); continue; } if (inc_recurse && relative_paths && *fbuf) { - if ((p = strchr(fbuf+1, '/')) != NULL - && !is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS)) { + if ((p = strchr(fbuf+1, '/')) != NULL) { if (p - fbuf == 1 && *fbuf == '.') { if ((fn = strchr(p+1, '/')) != NULL) p = fn; @@ -2052,8 +2292,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) if (fn == p) continue; } - } else if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf - && !is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS)) { + } else 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. */ send_implied_dirs(f, flist, fbuf, fbuf, p, flags, 0); @@ -2062,13 +2301,11 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) if (one_file_system) filesystem_dev = st.st_dev; - arg_flags = name_type == DOTDIR_NAME ? FLAG_DOTDIR_NAME : 0; - if (recurse || (xfer_dirs && name_type != NORMAL_NAME)) { struct file_struct *file; - arg_flags |= FLAG_TOP_DIR | FLAG_CONTENT_DIR; file = send_file_name(f, flist, fbuf, &st, - arg_flags | flags, ALL_FILTERS); + FLAG_TOP_DIR | FLAG_CONTENT_DIR | flags, + NO_FILTERS); if (!file) continue; if (inc_recurse) { @@ -2082,9 +2319,12 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) } else send_if_directory(f, flist, file, fbuf, len, flags); } else - send_file_name(f, flist, fbuf, &st, arg_flags | flags, ALL_FILTERS); + send_file_name(f, flist, fbuf, &st, flags, NO_FILTERS); } + if (reenable_multiplex >= 0) + io_start_multiplex_in(reenable_multiplex); + 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; @@ -2092,7 +2332,17 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) stats.flist_buildtime = 1; start_tv = end_tv; - write_byte(f, 0); /* Indicate end of file list */ + /* Indicate end of file list */ + if (io_error == 0 || ignore_errors) + write_byte(f, 0); + else if (use_safe_inc_flist) { + write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST); + write_varint(f, io_error); + } else { + if (delete_during && inc_recurse) + fatal_unsafe_io_error(); + write_byte(f, 0); + } #ifdef SUPPORT_HARD_LINKS if (preserve_hard_links && protocol_version >= 30 && !inc_recurse) @@ -2123,6 +2373,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) flist->sorted = flist->files; flist_sort_and_clean(flist, 0); file_total += flist->used; + file_old_total += flist->used; if (numeric_ids <= 0 && !inc_recurse) send_id_list(f); @@ -2130,30 +2381,32 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) /* send the io_error flag */ if (protocol_version < 30) write_int(f, ignore_errors ? 0 : io_error); - else if (io_error && !ignore_errors) + else if (!use_safe_inc_flist && io_error && !ignore_errors) send_msg_int(MSG_IO_ERROR, io_error); if (disable_buffering) - io_end_buffering_out(); + io_end_buffering_out(IOBUF_FREE_BUFS); stats.flist_size = stats.total_written - start_write; stats.num_files = flist->used; - if (verbose > 3) + if (DEBUG_GTE(FLIST, 3)) output_flist(flist); - if (verbose > 2) + if (DEBUG_GTE(FLIST, 2)) rprintf(FINFO, "send_file_list done\n"); if (inc_recurse) { send_dir_depth = 1; - add_dirs_to_tree(-1, flist, dir_count); - if (!file_total || strcmp(flist->sorted[0]->basename, ".") != 0) + add_dirs_to_tree(-1, flist, stats.num_dirs); + if (!file_total || strcmp(flist->sorted[flist->low]->basename, ".") != 0) flist->parent_ndx = -1; flist_done_allocating(flist); if (send_dir_ndx < 0) { write_ndx(f, NDX_FLIST_EOF); flist_eof = 1; + if (DEBUG_GTE(FLIST, 3)) + rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i()); } else if (file_total == 1) { /* If we're creating incremental file-lists and there @@ -2161,6 +2414,10 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) * file-list to check if this is a 1-file xfer. */ send_extra_file_list(f, 1); } + } else { + flist_eof = 1; + if (DEBUG_GTE(FLIST, 3)) + rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i()); } return flist; @@ -2172,12 +2429,17 @@ struct file_list *recv_file_list(int f) int dstart, flags; int64 start_read; - if (!first_flist) + if (!first_flist) { + if (show_filelist_p()) + start_filelist_progress("receiving file list"); + else if (inc_recurse && INFO_GTE(FLIST, 1) && !am_server) + rprintf(FCLIENT, "receiving incremental file list\n"); rprintf(FLOG, "receiving file list\n"); - if (show_filelist_p()) - start_filelist_progress("receiving file list"); - else if (inc_recurse && verbose && !am_server && !first_flist) - rprintf(FCLIENT, "receiving incremental file list\n"); + if (usermap) + parse_name_map(usermap, True); + if (groupmap) + parse_name_map(groupmap, False); + } start_read = stats.total_read; @@ -2200,29 +2462,51 @@ struct file_list *recv_file_list(int f) while ((flags = read_byte(f)) != 0) { struct file_struct *file; - flist_expand(flist, 1); - if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) flags |= read_byte(f) << 8; - file = recv_file_entry(flist, flags, f); - if (inc_recurse && S_ISDIR(file->mode)) { - flist_expand(dir_flist, 1); - dir_flist->files[dir_flist->used++] = file; + if (flags == (XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST)) { + int err; + if (!use_safe_inc_flist) { + rprintf(FERROR, "Invalid flist flag: %x\n", flags); + exit_cleanup(RERR_PROTOCOL); + } + err = read_varint(f); + if (!ignore_errors) + io_error |= err; + break; } + flist_expand(flist, 1); + file = recv_file_entry(f, flist, flags); + + if (S_ISREG(file->mode)) { + /* Already counted */ + } else if (S_ISDIR(file->mode)) { + if (inc_recurse) { + flist_expand(dir_flist, 1); + dir_flist->files[dir_flist->used++] = file; + } + stats.num_dirs++; + } else if (S_ISLNK(file->mode)) + stats.num_symlinks++; + else if (IS_DEVICE(file->mode)) + stats.num_symlinks++; + else + stats.num_specials++; + flist->files[flist->used++] = file; maybe_emit_filelist_progress(flist->used); - if (verbose > 2) { - rprintf(FINFO, "recv_file_name(%s)\n", - f_name(file, NULL)); + if (DEBUG_GTE(FLIST, 2)) { + char *name = f_name(file, NULL); + rprintf(FINFO, "recv_file_name(%s)\n", NS(name)); } } file_total += flist->used; - if (verbose > 2) + if (DEBUG_GTE(FLIST, 2)) rprintf(FINFO, "received %d names\n", flist->used); if (show_filelist_p()) @@ -2260,26 +2544,29 @@ struct file_list *recv_file_list(int f) if (inc_recurse) flist_done_allocating(flist); - else if (f >= 0) + else if (f >= 0) { recv_id_list(f, flist); + flist_eof = 1; + if (DEBUG_GTE(FLIST, 3)) + rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i()); + } flist_sort_and_clean(flist, relative_paths); if (protocol_version < 30) { /* Recv the io_error flag */ - if (ignore_errors) - read_int(f); - else - io_error |= read_int(f); + int err = read_int(f); + if (!ignore_errors) + io_error |= err; } else if (inc_recurse && flist->ndx_start == 1) { - if (!file_total || strcmp(flist->sorted[0]->basename, ".") != 0) + if (!file_total || strcmp(flist->sorted[flist->low]->basename, ".") != 0) flist->parent_ndx = -1; } - if (verbose > 3) + if (DEBUG_GTE(FLIST, 3)) output_flist(flist); - if (verbose > 2) + if (DEBUG_GTE(FLIST, 2)) rprintf(FINFO, "recv_file_list done\n"); stats.flist_size += stats.total_read - start_read; @@ -2296,6 +2583,8 @@ void recv_additional_file_list(int f) int ndx = read_ndx(f); if (ndx == NDX_FLIST_EOF) { flist_eof = 1; + if (DEBUG_GTE(FLIST, 3)) + rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i()); change_local_filter_dir(NULL, 0, 0); } else { ndx = NDX_FLIST_OFFSET - ndx; @@ -2307,7 +2596,7 @@ void recv_additional_file_list(int f) NDX_FLIST_OFFSET - dir_flist->used + 1); exit_cleanup(RERR_PROTOCOL); } - if (verbose > 3) { + if (DEBUG_GTE(FLIST, 3)) { rprintf(FINFO, "[%s] receiving flist for dir %d\n", who_am_i(), ndx); } @@ -2367,6 +2656,28 @@ int flist_find(struct file_list *flist, struct file_struct *f) return -1; } +/* Search for an identically-named item in the file list. Differs from + * flist_find in that an item that agrees with "f" in directory-ness is + * preferred but one that does not is still found. */ +int flist_find_ignore_dirness(struct file_list *flist, struct file_struct *f) +{ + mode_t save_mode; + int ndx; + + /* First look for an item that agrees in directory-ness. */ + ndx = flist_find(flist, f); + if (ndx >= 0) + return ndx; + + /* Temporarily flip f->mode to look for an item of opposite + * directory-ness. */ + save_mode = f->mode; + f->mode = S_ISDIR(f->mode) ? S_IFREG : S_IFDIR; + ndx = flist_find(flist, f); + f->mode = save_mode; + return ndx; +} + /* * Free up any resources a file_struct has allocated * and clear the file. @@ -2392,14 +2703,16 @@ struct file_list *flist_new(int flags, char *msg) if (flags & FLIST_TEMP) { if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0, - out_of_memory, POOL_INTERN))) + out_of_memory, + POOL_INTERN))) out_of_memory(msg); } else { /* This is a doubly linked list with prev looping back to * the end of the list, but the last next pointer is NULL. */ if (!first_flist) { flist->file_pool = pool_create(NORMAL_EXTENT, 0, - out_of_memory, POOL_INTERN); + out_of_memory, + POOL_INTERN); if (!flist->file_pool) out_of_memory(msg); @@ -2529,7 +2842,7 @@ static void flist_sort_and_clean(struct file_list *flist, int strip_root) keep = j, drop = i; if (!am_sender) { - if (verbose > 1) { + if (DEBUG_GTE(DUP, 1)) { rprintf(FINFO, "removing duplicate name %s from file list (%d)\n", f_name(file, fbuf), drop + flist->ndx_start); @@ -2670,10 +2983,10 @@ static void output_flist(struct file_list *flist) } else root = dir = slash = name = trail = ""; rprintf(FINFO, - "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n", + "[%s] i=%d %s %s%s%s%s mode=0%o len=%s%s%s flags=%x\n", who, i + flist->ndx_start, root, dir, slash, name, trail, - (int)file->mode, (double)F_LENGTH(file), + (int)file->mode, comma_num(F_LENGTH(file)), uidbuf, gidbuf, file->flags); } } @@ -2865,13 +3178,14 @@ char *f_name(const struct file_struct *f, char *fbuf) * 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 *get_dirlist(char *dirname, int dlen, int flags) { struct file_list *dirlist; char dirbuf[MAXPATHLEN]; int save_recurse = recurse; int save_xfer_dirs = xfer_dirs; int save_prune_empty_dirs = prune_empty_dirs; + int senddir_fd = flags & GDL_IGNORE_FILTER_RULES ? -2 : -1; if (dlen < 0) { dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); @@ -2884,10 +3198,10 @@ struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules) recurse = 0; xfer_dirs = 1; - send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, 0); + send_directory(senddir_fd, dirlist, dirname, dlen, FLAG_CONTENT_DIR); xfer_dirs = save_xfer_dirs; recurse = save_recurse; - if (do_progress) + if (INFO_GTE(PROGRESS, 1)) flist_count_offset += dirlist->used; prune_empty_dirs = 0; @@ -2895,7 +3209,7 @@ struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules) flist_sort_and_clean(dirlist, 0); prune_empty_dirs = save_prune_empty_dirs; - if (verbose > 3) + if (DEBUG_GTE(FLIST, 3)) output_flist(dirlist); return dirlist;