+++ /dev/null
-/*
- * Copyright (c) 2009 Frank Lahm <franklahm@gmail.com>
- * Copyright (c) 1991, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif /* HAVE_CONFIG_H */
-
-#include <sys/types.h>
-#include <sys/acl.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sysexits.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <string.h>
-
-#include <atalk/cnid.h>
-#include <atalk/volinfo.h>
-#include "ad.h"
-
-#define cp_pct(x, y)((y == 0) ? 0 : (int)(100.0 * (x) / (y)))
-
-/* Memory strategy threshold, in pages: if physmem is larger then this, use a
- * large buffer */
-#define PHYSPAGES_THRESHOLD (32*1024)
-
-/* Maximum buffer size in bytes - do not allow it to grow larger than this */
-#define BUFSIZE_MAX (2*1024*1024)
-
-/* Small (default) buffer size in bytes. It's inefficient for this to be
- * smaller than MAXPHYS */
-#define MAXPHYS (64 * 1024)
-#define BUFSIZE_SMALL (MAXPHYS)
-
-int log_verbose; /* Logging flag */
-
-void _log(enum logtype lt, char *fmt, ...)
-{
- int len;
- static char logbuffer[1024];
- va_list args;
-
- if ( (lt == STD) || (log_verbose == 1)) {
- va_start(args, fmt);
- len = vsnprintf(logbuffer, 1023, fmt, args);
- va_end(args);
- logbuffer[1023] = 0;
-
- printf("%s\n", logbuffer);
- }
-}
-
-int newvol(const char *path, afpvol_t *vol)
-{
- // char *pathdup;
-
- memset(vol, 0, sizeof(afpvol_t));
-
- // pathdup = strdup(path);
- // vol->dirname = strdup(dirname(pathdup));
- // free(pathdup);
-
- // pathdup = strdup(path);
- // vol->basename = strdup(basename(pathdup));
- // free(pathdup);
-
- loadvolinfo((char *)path, &vol->volinfo);
-
- return 0;
-}
-
-void freevol(afpvol_t *vol)
-{
-#if 0
- if (vol->dirname) {
- free(vol->dirname);
- vol->dirname = NULL;
- }
- if (vol->basename) {
- free(vol->basename);
- vol->basename = NULL;
- }
-#endif
-}
-
-/*
- Taken form afpd/desktop.c
-*/
-char *utompath(const struct volinfo *volinfo, char *upath)
-{
- static char mpath[ MAXPATHLEN + 2]; /* for convert_charset dest_len parameter +2 */
- char *m, *u;
- uint16_t flags = CONV_IGNORE | CONV_UNESCAPEHEX;
- size_t outlen;
-
- if (!upath)
- return NULL;
-
- m = mpath;
- u = upath;
- outlen = strlen(upath);
-
- if ((volinfo->v_casefold & AFPVOL_UTOMUPPER))
- flags |= CONV_TOUPPER;
- else if ((volinfo->v_casefold & AFPVOL_UTOMLOWER))
- flags |= CONV_TOLOWER;
-
- if ((volinfo->v_flags & AFPVOL_EILSEQ)) {
- flags |= CONV__EILSEQ;
- }
-
- /* convert charsets */
- if ((size_t)-1 == ( outlen = convert_charset(volinfo->v_volcharset,
- CH_UTF8_MAC,
- volinfo->v_maccharset,
- u, outlen, mpath, MAXPATHLEN, &flags)) ) {
- SLOG("Conversion from %s to %s for %s failed.",
- volinfo->v_volcodepage, volinfo->v_maccodepage, u);
- return NULL;
- }
-
- return(m);
-}
-
-/*!
- * Resolves CNID of a given paths parent directory
- *
- * path might be:
- * (a) relative:
- * "dir/subdir" with cwd: "/afp_volume/topdir"
- * (b) absolute:
- * "/afp_volume/dir/subdir"
- *
- * 1) in case a) concatenate both paths
- * 2) strip last element
- * 3) strip volume root
- * 4) start recursive CNID search with
- * a) DID:2, "topdir"
- * b) DID:2, "dir"
- * 5) ...until we have the CNID for
- * a) "/afp_volume/topdir/dir"
- * b) "/afp_volume/dir" (no recursion required)
- */
-cnid_t get_parent_cnid_for_path(const struct volinfo *vi,
- const struct vol *vol,
- const char *path)
-{
-
- return 0;
-}
-
-int ftw_copy_file(const struct FTW *entp,
- const char *spath,
- const struct stat *sp,
- int dne)
-{
- static char *buf = NULL;
- static size_t bufsize;
- ssize_t wcount;
- size_t wresid;
- off_t wtotal;
- int ch, checkch, from_fd = 0, rcount, rval, to_fd = 0;
- char *bufp;
- char *p;
-
- if ((from_fd = open(spath, O_RDONLY, 0)) == -1) {
- SLOG("%s: %s", spath, strerror(errno));
- return (1);
- }
-
- /*
- * If the file exists and we're interactive, verify with the user.
- * If the file DNE, set the mode to be the from file, minus setuid
- * bits, modified by the umask; arguably wrong, but it makes copying
- * executables work right and it's been that way forever. (The
- * other choice is 666 or'ed with the execute bits on the from file
- * modified by the umask.)
- */
- if (!dne) {
-#define YESNO "(y/n [n]) "
- if (nflag) {
- if (vflag)
- printf("%s not overwritten\n", to.p_path);
- (void)close(from_fd);
- return (0);
- } else if (iflag) {
- (void)fprintf(stderr, "overwrite %s? %s",
- to.p_path, YESNO);
- checkch = ch = getchar();
- while (ch != '\n' && ch != EOF)
- ch = getchar();
- if (checkch != 'y' && checkch != 'Y') {
- (void)close(from_fd);
- (void)fprintf(stderr, "not overwritten\n");
- return (1);
- }
- }
-
- if (fflag) {
- /* remove existing destination file name,
- * create a new file */
- (void)unlink(to.p_path);
- if (!lflag)
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT,
- sp->st_mode & ~(S_ISUID | S_ISGID));
- } else {
- if (!lflag)
- /* overwrite existing destination file name */
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC, 0);
- }
- } else {
- if (!lflag)
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT,
- sp->st_mode & ~(S_ISUID | S_ISGID));
- }
-
- if (to_fd == -1) {
- SLOG("%s: %s", to.p_path, strerror(errno));
- (void)close(from_fd);
- return (1);
- }
-
- rval = 0;
-
- if (!lflag) {
- /*
- * Mmap and write if less than 8M (the limit is so we don't totally
- * trash memory on big files. This is really a minor hack, but it
- * wins some CPU back.
- * Some filesystems, such as smbnetfs, don't support mmap,
- * so this is a best-effort attempt.
- */
-
- if (S_ISREG(sp->st_mode) && sp->st_size > 0 &&
- sp->st_size <= 8 * 1024 * 1024 &&
- (p = mmap(NULL, (size_t)sp->st_size, PROT_READ,
- MAP_SHARED, from_fd, (off_t)0)) != MAP_FAILED) {
- wtotal = 0;
- for (bufp = p, wresid = sp->st_size; ;
- bufp += wcount, wresid -= (size_t)wcount) {
- wcount = write(to_fd, bufp, wresid);
- if (wcount <= 0)
- break;
- wtotal += wcount;
- if (wcount >= (ssize_t)wresid)
- break;
- }
- if (wcount != (ssize_t)wresid) {
- SLOG("%s: %s", to.p_path, strerror(errno));
- rval = 1;
- }
- /* Some systems don't unmap on close(2). */
- if (munmap(p, sp->st_size) < 0) {
- SLOG("%s: %s", spath, strerror(errno));
- rval = 1;
- }
- } else {
- if (buf == NULL) {
- /*
- * Note that buf and bufsize are static. If
- * malloc() fails, it will fail at the start
- * and not copy only some files.
- */
- if (sysconf(_SC_PHYS_PAGES) >
- PHYSPAGES_THRESHOLD)
- bufsize = MIN(BUFSIZE_MAX, MAXPHYS * 8);
- else
- bufsize = BUFSIZE_SMALL;
- buf = malloc(bufsize);
- if (buf == NULL)
- ERROR("Not enough memory");
-
- }
- wtotal = 0;
- while ((rcount = read(from_fd, buf, bufsize)) > 0) {
- for (bufp = buf, wresid = rcount; ;
- bufp += wcount, wresid -= wcount) {
- wcount = write(to_fd, bufp, wresid);
- if (wcount <= 0)
- break;
- wtotal += wcount;
- if (wcount >= (ssize_t)wresid)
- break;
- }
- if (wcount != (ssize_t)wresid) {
- SLOG("%s: %s", to.p_path, strerror(errno));
- rval = 1;
- break;
- }
- }
- if (rcount < 0) {
- SLOG("%s: %s", spath, strerror(errno));
- rval = 1;
- }
- }
- } else {
- if (link(spath, to.p_path)) {
- SLOG("%s", to.p_path);
- rval = 1;
- }
- }
-
- /*
- * Don't remove the target even after an error. The target might
- * not be a regular file, or its attributes might be important,
- * or its contents might be irreplaceable. It would only be safe
- * to remove it if we created it and its length is 0.
- */
-
- if (!lflag) {
- if (pflag && setfile(sp, to_fd))
- rval = 1;
- if (pflag && preserve_fd_acls(from_fd, to_fd) != 0)
- rval = 1;
- if (close(to_fd)) {
- SLOG("%s: %s", to.p_path, strerror(errno));
- rval = 1;
- }
- }
-
- (void)close(from_fd);
-
- return (rval);
-}
-
-int copy_link(const struct FTW *p,
- const char *spath,
- const struct stat *sstp,
- int exists)
-{
- int len;
- char llink[PATH_MAX];
-
- if ((len = readlink(spath, llink, sizeof(llink) - 1)) == -1) {
- SLOG("readlink: %s: %s", spath, strerror(errno));
- return (1);
- }
- llink[len] = '\0';
- if (exists && unlink(to.p_path)) {
- SLOG("unlink: %s: %s", to.p_path, strerror(errno));
- return (1);
- }
- if (symlink(llink, to.p_path)) {
- SLOG("symlink: %s: %s", llink, strerror(errno));
- return (1);
- }
- return (pflag ? setfile(sstp, -1) : 0);
-}
-
-int setfile(const struct stat *fs, int fd)
-{
- static struct timeval tv[2];
- struct stat ts;
- int rval, gotstat, islink, fdval;
- mode_t mode;
-
- rval = 0;
- fdval = fd != -1;
- islink = !fdval && S_ISLNK(fs->st_mode);
- mode = fs->st_mode & (S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO);
-
- TIMESPEC_TO_TIMEVAL(&tv[0], &fs->st_atim);
- TIMESPEC_TO_TIMEVAL(&tv[1], &fs->st_mtim);
- if (islink ? lutimes(to.p_path, tv) : utimes(to.p_path, tv)) {
- SLOG("%sutimes: %s", islink ? "l" : "", to.p_path);
- rval = 1;
- }
- if (fdval ? fstat(fd, &ts) :
- (islink ? lstat(to.p_path, &ts) : stat(to.p_path, &ts)))
- gotstat = 0;
- else {
- gotstat = 1;
- ts.st_mode &= S_ISUID | S_ISGID | S_ISVTX |
- S_IRWXU | S_IRWXG | S_IRWXO;
- }
- /*
- * Changing the ownership probably won't succeed, unless we're root
- * or POSIX_CHOWN_RESTRICTED is not set. Set uid/gid before setting
- * the mode; current BSD behavior is to remove all setuid bits on
- * chown. If chown fails, lose setuid/setgid bits.
- */
- if (!gotstat || fs->st_uid != ts.st_uid || fs->st_gid != ts.st_gid)
- if (fdval ? fchown(fd, fs->st_uid, fs->st_gid) :
- (islink ? lchown(to.p_path, fs->st_uid, fs->st_gid) :
- chown(to.p_path, fs->st_uid, fs->st_gid))) {
- if (errno != EPERM) {
- SLOG("chown: %s: %s", to.p_path, strerror(errno));
- rval = 1;
- }
- mode &= ~(S_ISUID | S_ISGID);
- }
-
- if (!gotstat || mode != ts.st_mode)
- if (fdval ? fchmod(fd, mode) : chmod(to.p_path, mode)) {
- SLOG("chmod: %s: %s", to.p_path, strerror(errno));
- rval = 1;
- }
-
-#ifdef HAVE_ST_FLAGS
- if (!gotstat || fs->st_flags != ts.st_flags)
- if (fdval ?
- fchflags(fd, fs->st_flags) :
- (islink ? lchflags(to.p_path, fs->st_flags) :
- chflags(to.p_path, fs->st_flags))) {
- SLOG("chflags: %s: %s", to.p_path, strerror(errno));
- rval = 1;
- }
-#endif
-
- return (rval);
-}
-
-int preserve_fd_acls(int source_fd, int dest_fd)
-{
-#if 0
- acl_t acl;
- acl_type_t acl_type;
- int acl_supported = 0, ret, trivial;
-
- ret = fpathconf(source_fd, _PC_ACL_NFS4);
- if (ret > 0 ) {
- acl_supported = 1;
- acl_type = ACL_TYPE_NFS4;
- } else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_NFS4) failed for %s", to.p_path);
- return (1);
- }
- if (acl_supported == 0) {
- ret = fpathconf(source_fd, _PC_ACL_EXTENDED);
- if (ret > 0 ) {
- acl_supported = 1;
- acl_type = ACL_TYPE_ACCESS;
- } else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_EXTENDED) failed for %s",
- to.p_path);
- return (1);
- }
- }
- if (acl_supported == 0)
- return (0);
-
- acl = acl_get_fd_np(source_fd, acl_type);
- if (acl == NULL) {
- warn("failed to get acl entries while setting %s", to.p_path);
- return (1);
- }
- if (acl_is_trivial_np(acl, &trivial)) {
- warn("acl_is_trivial() failed for %s", to.p_path);
- acl_free(acl);
- return (1);
- }
- if (trivial) {
- acl_free(acl);
- return (0);
- }
- if (acl_set_fd_np(dest_fd, acl, acl_type) < 0) {
- warn("failed to set acl entries for %s", to.p_path);
- acl_free(acl);
- return (1);
- }
- acl_free(acl);
-#endif
- return (0);
-}
-
-int preserve_dir_acls(const struct stat *fs, char *source_dir, char *dest_dir)
-{
-#if 0
- acl_t (*aclgetf)(const char *, acl_type_t);
- int (*aclsetf)(const char *, acl_type_t, acl_t);
- struct acl *aclp;
- acl_t acl;
- acl_type_t acl_type;
- int acl_supported = 0, ret, trivial;
-
- ret = pathconf(source_dir, _PC_ACL_NFS4);
- if (ret > 0) {
- acl_supported = 1;
- acl_type = ACL_TYPE_NFS4;
- } else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_NFS4) failed for %s", source_dir);
- return (1);
- }
- if (acl_supported == 0) {
- ret = pathconf(source_dir, _PC_ACL_EXTENDED);
- if (ret > 0) {
- acl_supported = 1;
- acl_type = ACL_TYPE_ACCESS;
- } else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_EXTENDED) failed for %s",
- source_dir);
- return (1);
- }
- }
- if (acl_supported == 0)
- return (0);
-
- /*
- * If the file is a link we will not follow it
- */
- if (S_ISLNK(fs->st_mode)) {
- aclgetf = acl_get_link_np;
- aclsetf = acl_set_link_np;
- } else {
- aclgetf = acl_get_file;
- aclsetf = acl_set_file;
- }
- if (acl_type == ACL_TYPE_ACCESS) {
- /*
- * Even if there is no ACL_TYPE_DEFAULT entry here, a zero
- * size ACL will be returned. So it is not safe to simply
- * check the pointer to see if the default ACL is present.
- */
- acl = aclgetf(source_dir, ACL_TYPE_DEFAULT);
- if (acl == NULL) {
- warn("failed to get default acl entries on %s",
- source_dir);
- return (1);
- }
- aclp = &acl->ats_acl;
- if (aclp->acl_cnt != 0 && aclsetf(dest_dir,
- ACL_TYPE_DEFAULT, acl) < 0) {
- warn("failed to set default acl entries on %s",
- dest_dir);
- acl_free(acl);
- return (1);
- }
- acl_free(acl);
- }
- acl = aclgetf(source_dir, acl_type);
- if (acl == NULL) {
- warn("failed to get acl entries on %s", source_dir);
- return (1);
- }
- if (acl_is_trivial_np(acl, &trivial)) {
- warn("acl_is_trivial() failed on %s", source_dir);
- acl_free(acl);
- return (1);
- }
- if (trivial) {
- acl_free(acl);
- return (0);
- }
- if (aclsetf(dest_dir, acl_type, acl) < 0) {
- warn("failed to set acl entries on %s", dest_dir);
- acl_free(acl);
- return (1);
- }
- acl_free(acl);
-#endif
- return (0);
-}
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