X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/88c2190a7c193a7b9218c89f445638d29e4be132..4a19c3b254b01c298fe25d72f450a760278e9386:/flist.c diff --git a/flist.c b/flist.c index 4415a834..8b24b0a1 100644 --- a/flist.c +++ b/flist.c @@ -1,29 +1,25 @@ /* - Copyright (C) Andrew Tridgell 1996 - Copyright (C) Paul Mackerras 1996 - Copyright (C) 2001, 2002 by Martin Pool - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -/** @file flist.c - * Generate and receive file lists + * Generate and receive file lists. * - * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html + * Copyright (C) 1996 Andrew Tridgell + * Copyright (C) 1996 Paul Mackerras + * Copyright (C) 2001, 2002 Martin Pool + * Copyright (C) 2002, 2003, 2004, 2005, 2006 Wayne Davison * - **/ + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ #include "rsync.h" @@ -52,12 +48,13 @@ extern int preserve_uid; extern int preserve_gid; extern int relative_paths; extern int implied_dirs; +extern int ignore_perishable; +extern int non_perishable_cnt; extern int prune_empty_dirs; extern int copy_links; extern int copy_unsafe_links; extern int protocol_version; extern int sanitize_paths; -extern const char *io_write_phase; extern struct stats stats; extern struct file_list *the_file_list; @@ -95,15 +92,15 @@ static int show_filelist_p(void) static void start_filelist_progress(char *kind) { - rprintf(FINFO, "%s ... ", kind); + rprintf(FCLIENT, "%s ... ", kind); if (verbose > 1 || do_progress) - rprintf(FINFO, "\n"); + rprintf(FCLIENT, "\n"); rflush(FINFO); } static void emit_filelist_progress(int count) { - rprintf(FINFO, " %d files...\r", count); + rprintf(FCLIENT, " %d files...\r", count); } static void maybe_emit_filelist_progress(int count) @@ -154,61 +151,53 @@ static void list_file_entry(struct file_struct *f) } } -/** - * Stat either a symlink or its referent, depending on the settings of - * copy_links, copy_unsafe_links, etc. - * - * @retval -1 on error +/* Stat either a symlink or its referent, depending on the settings of + * copy_links, copy_unsafe_links, etc. Returns -1 on error, 0 on success. * - * @retval 0 for success + * If path is the name of a symlink, then the linkbuf buffer (which must hold + * MAXPATHLEN chars) will be set to the symlink's target string. * - * @post If @p path is a symlink, then @p linkbuf (of size @c - * MAXPATHLEN) contains the symlink target. - * - * @post @p buffer contains information about the link or the - * referrent as appropriate, if they exist. - **/ -static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf) + * The stat structure pointed to by stp will contain information about the + * link or the referent as appropriate, if they exist. */ +static int readlink_stat(const char *path, STRUCT_STAT *stp, char *linkbuf) { #ifdef SUPPORT_LINKS - if (copy_links) - return do_stat(path, buffer); - if (link_stat(path, buffer, copy_dirlinks) < 0) + if (link_stat(path, stp, copy_dirlinks) < 0) return -1; - if (S_ISLNK(buffer->st_mode)) { - int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1); - if (l == -1) + if (S_ISLNK(stp->st_mode)) { + int llen = readlink(path, linkbuf, MAXPATHLEN - 1); + if (llen < 0) return -1; - linkbuf[l] = 0; + linkbuf[llen] = '\0'; if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) { if (verbose > 1) { rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n", path, linkbuf); } - return do_stat(path, buffer); + return do_stat(path, stp); } } return 0; #else - return do_stat(path, buffer); + return do_stat(path, stp); #endif } -int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks) +int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks) { #ifdef SUPPORT_LINKS if (copy_links) - return do_stat(path, buffer); - if (do_lstat(path, buffer) < 0) + return do_stat(path, stp); + if (do_lstat(path, stp) < 0) return -1; - if (follow_dirlinks && S_ISLNK(buffer->st_mode)) { + if (follow_dirlinks && S_ISLNK(stp->st_mode)) { STRUCT_STAT st; if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode)) - *buffer = st; + *stp = st; } return 0; #else - return do_stat(path, buffer); + return do_stat(path, stp); #endif } @@ -246,23 +235,27 @@ static int is_excluded(char *fname, int is_dir, int filter_level) static int to_wire_mode(mode_t mode) { #ifdef SUPPORT_LINKS - if (S_ISLNK(mode) && (_S_IFLNK != 0120000)) +#if _S_IFLNK != 0120000 + if (S_ISLNK(mode)) return (mode & ~(_S_IFMT)) | 0120000; #endif - return (int)mode; +#endif + return mode; } static mode_t from_wire_mode(int mode) { - if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000)) +#if _S_IFLNK != 0120000 + if ((mode & (_S_IFMT)) == 0120000) return (mode & ~(_S_IFMT)) | _S_IFLNK; - return (mode_t)mode; +#endif + return mode; } static void send_directory(int f, struct file_list *flist, char *fbuf, int len); -static char *flist_dir; +static const char *flist_dir; static int flist_dir_len; @@ -295,7 +288,7 @@ void flist_expand(struct file_list *flist) flist->malloced); if (verbose >= 2 && flist->malloced != FLIST_START) { - rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n", + rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n", who_am_i(), (double)sizeof flist->files[0] * flist->malloced, (new_ptr == flist->files) ? " not" : ""); @@ -327,15 +320,13 @@ static void send_file_entry(struct file_struct *file, int f) if (!file) { write_byte(f, 0); modtime = 0, mode = 0; - dev = 0, rdev = makedev(0, 0); + dev = 0, rdev = MAKEDEV(0, 0); rdev_major = 0; uid = 0, gid = 0; *lastname = '\0'; return; } - io_write_phase = "send_file_entry"; - f_name(file, fname); flags = file->flags & XMIT_TOP_DIR; @@ -361,7 +352,7 @@ static void send_file_entry(struct file_struct *file, int f) flags |= XMIT_RDEV_MINOR_IS_SMALL; } } else if (protocol_version < 28) - rdev = makedev(0, 0); + rdev = MAKEDEV(0, 0); if (file->uid == uid) flags |= XMIT_SAME_UID; else @@ -461,7 +452,7 @@ static void send_file_entry(struct file_struct *file, int f) #endif #ifdef SUPPORT_HARD_LINKS - if (flags & XMIT_HAS_IDEV_DATA) { + if (file->link_u.idev) { if (protocol_version < 26) { /* 32-bit dev_t and ino_t */ write_int(f, dev); @@ -476,7 +467,7 @@ static void send_file_entry(struct file_struct *file, int f) #endif if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) { - char *sum; + const char *sum; if (S_ISREG(mode)) sum = file->u.sum; else { @@ -487,8 +478,6 @@ static void send_file_entry(struct file_struct *file, int f) } strlcpy(lastname, fname, MAXPATHLEN); - - io_write_phase = "unknown"; } static struct file_struct *receive_file_entry(struct file_list *flist, @@ -514,7 +503,7 @@ static struct file_struct *receive_file_entry(struct file_list *flist, if (!flist) { modtime = 0, mode = 0; - dev = 0, rdev = makedev(0, 0); + dev = 0, rdev = MAKEDEV(0, 0); rdev_major = 0; uid = 0, gid = 0; *lastname = '\0'; @@ -547,7 +536,7 @@ static struct file_struct *receive_file_entry(struct file_list *flist, clean_fname(thisname, 0); if (sanitize_paths) - sanitize_path(thisname, thisname, "", 0); + sanitize_path(thisname, thisname, "", 0, NULL); if ((basename = strrchr(thisname, '/')) != NULL) { dirname_len = ++basename - thisname; /* counts future '\0' */ @@ -591,10 +580,10 @@ static struct file_struct *receive_file_entry(struct file_list *flist, rdev_minor = read_byte(f); else rdev_minor = read_int(f); - rdev = makedev(rdev_major, rdev_minor); + rdev = MAKEDEV(rdev_major, rdev_minor); } } else if (protocol_version < 28) - rdev = makedev(0, 0); + rdev = MAKEDEV(0, 0); #ifdef SUPPORT_LINKS if (preserve_links && S_ISLNK(mode)) { @@ -673,7 +662,7 @@ static struct file_struct *receive_file_entry(struct file_list *flist, file->u.link = bp; read_sbuf(f, bp, linkname_len - 1); if (sanitize_paths) - sanitize_path(bp, bp, "", lastdir_depth); + sanitize_path(bp, bp, "", lastdir_depth, NULL); bp += linkname_len; } #endif @@ -754,18 +743,23 @@ struct file_struct *make_file(char *fname, struct file_list *flist, } clean_fname(thisname, 0); if (sanitize_paths) - sanitize_path(thisname, thisname, "", 0); + sanitize_path(thisname, thisname, "", 0, NULL); memset(sum, 0, SUM_LENGTH); - if (stp && S_ISDIR(stp->st_mode)) + if (stp && S_ISDIR(stp->st_mode)) { st = *stp; /* Needed for "symlink/." with --relative. */ - else if (readlink_stat(thisname, &st, linkname) != 0) { + *linkname = '\0'; /* make IBM code checker happy */ + } else if (readlink_stat(thisname, &st, linkname) != 0) { int save_errno = errno; /* See if file is excluded before reporting an error. */ if (filter_level != NO_FILTERS - && is_excluded(thisname, 0, filter_level)) + && (is_excluded(thisname, 0, filter_level) + || is_excluded(thisname, 1, filter_level))) { + if (ignore_perishable && save_errno != ENOENT) + non_perishable_cnt++; return NULL; + } if (save_errno == ENOENT) { #ifdef SUPPORT_LINKS /* Avoid "vanished" error if symlink points nowhere. */ @@ -815,8 +809,11 @@ struct file_struct *make_file(char *fname, struct file_list *flist, flags |= FLAG_MOUNT_POINT; } - if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) + if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) { + if (ignore_perishable) + non_perishable_cnt++; return NULL; + } if (lp_ignore_nonreadable(module_id)) { #ifdef SUPPORT_LINKS @@ -858,7 +855,7 @@ struct file_struct *make_file(char *fname, struct file_list *flist, ? MD4_SUM_LENGTH : 0; alloc_len = file_struct_len + dirname_len + basename_len - + linkname_len + sum_len; + + linkname_len + sum_len; if (flist) bp = pool_alloc(flist->file_pool, alloc_len, "make_file"); else { @@ -1077,6 +1074,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) int64 start_write; int use_ff_fd = 0; + rprintf(FLOG, "building file list\n"); if (show_filelist_p()) start_filelist_progress("building file list"); @@ -1087,7 +1085,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) io_start_buffering_out(); if (filesfrom_fd >= 0) { - if (argv[0] && !push_dir(argv[0])) { + if (argv[0] && !push_dir(argv[0], 0)) { rsyserr(FERROR, errno, "push_dir %s failed", full_fname(argv[0])); exit_cleanup(RERR_FILESELECT); @@ -1103,13 +1101,13 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) if (use_ff_fd) { if (read_filesfrom_line(filesfrom_fd, fbuf) == 0) break; - sanitize_path(fbuf, fbuf, "", 0); + sanitize_path(fbuf, fbuf, "", 0, NULL); } else { if (argc-- == 0) break; strlcpy(fbuf, *argv++, MAXPATHLEN); if (sanitize_paths) - sanitize_path(fbuf, fbuf, "", 0); + sanitize_path(fbuf, fbuf, "", 0, NULL); } len = strlen(fbuf); @@ -1197,6 +1195,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) } else break; } + if (len == 1 && fn[0] == '/') + fn[len++] = '.'; fn[len] = '\0'; /* Reject a ".." dir in the active part of the path. */ for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) { @@ -1216,12 +1216,12 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) } if (dir && *dir) { - static char *lastdir; + static const char *lastdir; static int lastdir_len; strlcpy(olddir, curr_dir, sizeof olddir); - if (!push_dir(dir)) { + if (!push_dir(dir, 0)) { io_error |= IOERR_GENERAL; rsyserr(FERROR, errno, "push_dir %s failed", full_fname(dir)); @@ -1343,6 +1343,7 @@ struct file_list *recv_file_list(int f) unsigned short flags; int64 start_read; + rprintf(FLOG, "receiving file list\n"); if (show_filelist_p()) start_filelist_progress("receiving file list"); @@ -1504,8 +1505,7 @@ struct file_list *flist_new(int with_hlink, char *msg) memset(flist, 0, sizeof (struct file_list)); - if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, - out_of_memory, POOL_INTERN))) + if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, out_of_memory, POOL_INTERN))) out_of_memory(msg); #ifdef SUPPORT_HARD_LINKS @@ -1705,15 +1705,15 @@ static void output_flist(struct file_list *flist) for (i = 0; i < flist->count; i++) { file = flist->files[i]; if ((am_root || am_sender) && preserve_uid) - sprintf(uidbuf, " uid=%ld", (long)file->uid); + snprintf(uidbuf, sizeof uidbuf, " uid=%ld", (long)file->uid); else *uidbuf = '\0'; if (preserve_gid && file->gid != GID_NONE) - sprintf(gidbuf, " gid=%ld", (long)file->gid); + snprintf(gidbuf, sizeof gidbuf, " gid=%ld", (long)file->gid); else *gidbuf = '\0'; if (!am_sender) - sprintf(depthbuf, "%d", file->dir.depth); + snprintf(depthbuf, sizeof 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 ? file->dirname : "", @@ -1770,10 +1770,6 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) c1 = (uchar*)""; } else state1 = s_BASE; - } else if (!*c1) { - type1 = t_path; - state1 = s_SLASH; - c1 = (uchar*)"/"; } else { type1 = t_path; state1 = s_DIR; @@ -1787,10 +1783,6 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) c2 = (uchar*)""; } else state2 = s_BASE; - } else if (!*c2) { - type2 = t_path; - state2 = s_SLASH; - c2 = (uchar*)"/"; } else { type2 = t_path; state2 = s_DIR; @@ -1799,9 +1791,7 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) if (type1 != type2) return type1 == t_PATH ? 1 : -1; - while (1) { - if ((dif = (int)*c1++ - (int)*c2++) != 0) - break; + do { if (!*c1) { switch (state1) { case s_DIR: @@ -1864,7 +1854,7 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) if (type1 != type2) return type1 == t_PATH ? 1 : -1; } - } + } while ((dif = (int)*c1++ - (int)*c2++) == 0); return dif; } @@ -1891,9 +1881,9 @@ char *f_name(struct file_struct *f, char *fbuf) int len = strlen(f->dirname); memcpy(fbuf, f->dirname, len); fbuf[len] = '/'; - strcpy(fbuf + len + 1, f->basename); + strlcpy(fbuf + len + 1, f->basename, MAXPATHLEN - (len + 1)); } else - strcpy(fbuf, f->basename); + strlcpy(fbuf, f->basename, MAXPATHLEN); return fbuf; }