#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <libgen.h>
#include <atalk/ftw.h>
#include <atalk/adouble.h>
#include <atalk/util.h>
#include <atalk/unix.h>
#include <atalk/volume.h>
-#include <atalk/volinfo.h>
#include <atalk/bstrlib.h>
#include <atalk/bstradd.h>
#include <atalk/queue.h>
static char emptystring[] = "";
PATH_T to = { to.p_path, emptystring, "" };
+enum op { FILE_TO_FILE, FILE_TO_DIR, DIR_TO_DNE };
-int fflag, iflag, lflag, nflag, pflag, vflag;
+int fflag, iflag, nflag, pflag, vflag;
mode_t mask;
-struct volinfo svolinfo, dvolinfo;
-struct vol svolume, dvolume;
-cnid_t did = 0; /* current dir CNID */
+cnid_t ppdid, pdid, did; /* current dir CNID and parent did*/
+
+static afpvol_t svolume, dvolume;
static enum op type;
static int Rflag;
-volatile sig_atomic_t sigint;
+static volatile sig_atomic_t alarmed;
static int badcp, rval;
static int ftw_options = FTW_MOUNT | FTW_PHYS | FTW_ACTIONRETVAL;
-static q_t *cnidq; /* CNID dir stack */
-
-enum op { FILE_TO_FILE, FILE_TO_DIR, DIR_TO_DNE };
static char *netatalk_dirs[] = {
".AppleDouble",
NULL
};
+/* Forward declarations */
static int copy(const char *fpath, const struct stat *sb, int tflag, struct FTW *ftwbuf);
-static void siginfo(int _U_);
+static int ftw_copy_file(const struct FTW *, const char *, const struct stat *, int);
+static int ftw_copy_link(const struct FTW *, const char *, const struct stat *, int);
+static int setfile(const struct stat *, int);
+static int preserve_dir_acls(const struct stat *, char *, char *);
+static int preserve_fd_acls(int, int);
/*
Check for netatalk special folders e.g. ".AppleDB" or ".AppleDesktop"
return NULL;
}
+static void upfunc(void)
+{
+ did = pdid;
+ pdid = ppdid;
+}
+
+/*
+ SIGNAL handling:
+ catch SIGINT and SIGTERM which cause clean exit. Ignore anything else.
+*/
+
+static void sig_handler(int signo)
+{
+ alarmed = 1;
+ return;
+}
+
+static void set_signal(void)
+{
+ struct sigaction sv;
+
+ sv.sa_handler = sig_handler;
+ sv.sa_flags = SA_RESTART;
+ sigemptyset(&sv.sa_mask);
+ if (sigaction(SIGTERM, &sv, NULL) < 0)
+ ERROR("error in sigaction(SIGTERM): %s", strerror(errno));
+
+ if (sigaction(SIGINT, &sv, NULL) < 0)
+ ERROR("error in sigaction(SIGINT): %s", strerror(errno));
+
+ memset(&sv, 0, sizeof(struct sigaction));
+ sv.sa_handler = SIG_IGN;
+ sigemptyset(&sv.sa_mask);
+
+ if (sigaction(SIGABRT, &sv, NULL) < 0)
+ ERROR("error in sigaction(SIGABRT): %s", strerror(errno));
+
+ if (sigaction(SIGHUP, &sv, NULL) < 0)
+ ERROR("error in sigaction(SIGHUP): %s", strerror(errno));
+
+ if (sigaction(SIGQUIT, &sv, NULL) < 0)
+ ERROR("error in sigaction(SIGQUIT): %s", strerror(errno));
+}
static void usage_cp(void)
{
printf(
- "Usage: ad cp [-R [-P]] [-pvf] <source_file> <target_file>\n"
- "Usage: ad cp [-R [-P]] [-pvfx] <source_file [source_file ...]> <target_directory>\n"
+ "Usage: ad cp [-R] [-aipvf] <source_file> <target_file>\n"
+ " ad cp [-R] [-aipvfx] <source_file [source_file ...]> <target_directory>\n\n"
+ "In the first synopsis form, the cp utility copies the contents of the source_file to the\n"
+ "target_file. In the second synopsis form, the contents of each named source_file is copied to the\n"
+ "destination target_directory. The names of the files themselves are not changed. If cp detects an\n"
+ "attempt to copy a file to itself, the copy will fail.\n\n"
+ "Netatalk AFP volumes are detected by means of their \".AppleDesktop\" directory\n"
+ "which is located in their volume root. When a copy targetting an AFP volume\n"
+ "is detected, its CNID database daemon is connected and all copies will also\n"
+ "go through the CNID database.\n"
+ "AppleDouble files are also copied and created as needed when the target is\n"
+ "an AFP volume.\n\n"
+ "The following options are available:\n\n"
+ " -a Archive mode. Same as -Rp.\n\n"
+ " -f For each existing destination pathname, remove it and create a new\n"
+ " file, without prompting for confirmation regardless of its permis-\n"
+ " sions. (The -f option overrides any previous -i or -n options.)\n\n"
+ " -i Cause cp to write a prompt to the standard error output before\n"
+ " copying a file that would overwrite an existing file. If the\n"
+ " response from the standard input begins with the character 'y' or\n"
+ " 'Y', the file copy is attempted. (The -i option overrides any pre-\n"
+ " vious -f or -n options.)\n\n"
+ " -n Do not overwrite an existing file. (The -n option overrides any\n"
+ " previous -f or -i options.)\n\n"
+ " -p Cause cp to preserve the following attributes of each source file\n"
+ " in the copy: modification time, access time, file flags, file mode,\n"
+ " user ID, and group ID, as allowed by permissions.\n"
+ " If the user ID and group ID cannot be preserved, no error message\n"
+ " is displayed and the exit value is not altered.\n\n"
+ " -R If source_file designates a directory, cp copies the directory and\n"
+ " the entire subtree connected at that point.If the source_file\n"
+ " ends in a /, the contents of the directory are copied rather than\n"
+ " the directory itself.\n\n"
+ " -v Cause cp to be verbose, showing files as they are copied.\n\n"
+ " -x File system mount points are not traversed.\n\n"
);
exit(EXIT_FAILURE);
}
-static void upfunc(void)
-{
- if (cnidq) {
- cnid_t *cnid = dequeue(cnidq);
- if (cnid) {
- did = *cnid;
- free(cnid);
- }
- }
-}
-
-int ad_cp(int argc, char *argv[])
+int ad_cp(int argc, char *argv[], AFPObj *obj)
{
struct stat to_stat, tmp_stat;
int r, ch, have_trailing_slash;
afpvol_t dstvol;
#endif
- while ((ch = getopt(argc, argv, "Rafilnpvx")) != -1)
+ ppdid = pdid = htonl(1);
+ did = htonl(2);
+
+ while ((ch = getopt(argc, argv, "afinpRvx")) != -1)
switch (ch) {
- case 'R':
- Rflag = 1;
- break;
case 'a':
pflag = 1;
Rflag = 1;
iflag = 1;
fflag = nflag = 0;
break;
- case 'l':
- lflag = 1;
- break;
case 'n':
nflag = 1;
fflag = iflag = 0;
case 'p':
pflag = 1;
break;
+ case 'R':
+ Rflag = 1;
+ break;
case 'v':
vflag = 1;
break;
if (argc < 2)
usage_cp();
- (void)signal(SIGINT, siginfo);
-
+ set_signal();
cnid_init();
/* Save the target base in "to". */
#endif
/* Load .volinfo file for destination*/
- if (loadvolinfo(to.p_path, &dvolinfo) == 0) {
- if (vol_load_charsets(&dvolinfo) == -1)
- ERROR("Error loading charsets!");
- /* Sanity checks to ensure we can touch this volume */
- if (dvolinfo.v_vfs_ea != AFPVOL_EA_SYS)
- ERROR("Unsupported Extended Attributes option: %u", dvolinfo.v_vfs_ea);
-
- /* initialize sufficient struct vol and initialize CNID connection */
- dvolume.v_adouble = AD_VERSION2;
- dvolume.v_vfs_ea = AFPVOL_EA_SYS;
- initvol_vfs(&dvolume);
- int flags = 0;
- if ((dvolinfo.v_flags & AFPVOL_NODEV))
- flags |= CNID_FLAG_NODEV;
-
- if ((dvolume.v_cdb = cnid_open(dvolinfo.v_path,
- 0000,
- "dbd",
- flags,
- dvolinfo.v_dbd_host,
- dvolinfo.v_dbd_port)) == NULL)
- ERROR("Cant initialize CNID database connection for %s", dvolinfo.v_path);
-
- /* setup a list for storing the CNID stack of dirs in destination path */
- if ((cnidq = queue_init()) == NULL)
- ERROR("Cant initialize CNID stack");
- }
-
- for (int i = 0; argv[i] != NULL; i++) {
+ openvol(obj, to.p_path, &dvolume);
+
+ for (int i = 0; argv[i] != NULL; i++) {
/* Load .volinfo file for source */
- if (loadvolinfo(to.p_path, &svolinfo) == 0) {
- if (vol_load_charsets(&svolinfo) == -1)
- ERROR("Error loading charsets!");
- /* Sanity checks to ensure we can touch this volume */
- if (svolinfo.v_vfs_ea != AFPVOL_EA_SYS)
- ERROR("Unsupported Extended Attributes option: %u", svolinfo.v_vfs_ea);
-
- /* initialize sufficient struct vol and initialize CNID connection */
- svolume.v_adouble = AD_VERSION2;
- svolume.v_vfs_ea = AFPVOL_EA_SYS;
- initvol_vfs(&svolume);
- int flags = 0;
- if ((svolinfo.v_flags & AFPVOL_NODEV))
- flags |= CNID_FLAG_NODEV;
-
- if ((svolume.v_cdb = cnid_open(svolinfo.v_path,
- 0000,
- "dbd",
- flags,
- svolinfo.v_dbd_host,
- svolinfo.v_dbd_port)) == NULL)
- ERROR("Cant initialize CNID database connection for %s", svolinfo.v_path);
- }
+ openvol(obj, argv[i], &svolume);
if (nftw(argv[i], copy, upfunc, 20, ftw_options) == -1) {
- ERROR("%s: %s", argv[i], strerror(errno));
- exit(EXIT_FAILURE);
+ if (alarmed) {
+ SLOG("...break");
+ } else {
+ SLOG("Error: %s: %s", argv[i], strerror(errno));
+ }
+ closevol(&svolume);
+ closevol(&dvolume);
}
-
- if (svolume.v_cdb)
- cnid_close(svolume.v_cdb);
- svolume.v_cdb = NULL;
-
}
return rval;
}
int tflag,
struct FTW *ftw)
{
+ static int base = 0;
+
struct stat to_stat;
- int base = 0, dne;
+ int dne;
size_t nlen;
const char *p;
char *target_mid;
+ if (alarmed)
+ return -1;
+
+ /* This currently doesn't work with "." */
+ if (strcmp(path, ".") == 0) {
+ ERROR("\".\" not supported");
+ }
const char *dir = strrchr(path, '/');
if (dir == NULL)
dir = path;
else
dir++;
- if (check_netatalk_dirs(dir) != NULL) {
- SLOG("Skipping Netatalk dir %s", path);
- return FTW_SKIP_SIBLINGS;
- }
+ if (!dvolume.vol->vfs->vfs_validupath(dvolume.vol, dir))
+ return FTW_SKIP_SUBTREE;
/*
* If we are in case (2) above, we need to append the
else {
if (to_stat.st_dev == statp->st_dev &&
to_stat.st_ino == statp->st_ino) {
- SLOG("%s and %s are identical (not copied).",
- to.p_path, path);
+ SLOG("%s and %s are identical (not copied).", to.p_path, path);
badcp = rval = 1;
if (S_ISDIR(statp->st_mode))
/* without using glibc extension FTW_ACTIONRETVAL cant handle this */
- return -1;
+ return FTW_SKIP_SUBTREE;
+ return 0;
}
if (!S_ISDIR(statp->st_mode) &&
S_ISDIR(to_stat.st_mode)) {
SLOG("cannot overwrite directory %s with "
- "non-directory %s",
- to.p_path, path);
- badcp = rval = 1;
- return 0;
+ "non-directory %s",
+ to.p_path, path);
+ badcp = rval = 1;
+ return 0;
}
dne = 0;
}
+ /* Convert basename to appropiate volume encoding */
+ if (dvolume.vol->v_path) {
+ if ((convert_dots_encoding(&svolume, &dvolume, to.p_path, MAXPATHLEN)) == -1) {
+ SLOG("Error converting name for %s", to.p_path);
+ badcp = rval = 1;
+ return -1;
+ }
+ }
+
switch (statp->st_mode & S_IFMT) {
case S_IFLNK:
- if (copy_link(ftw, path, statp, !dne))
+ if (ftw_copy_link(ftw, path, statp, !dne))
badcp = rval = 1;
break;
case S_IFDIR:
*/
if (dne) {
if (mkdir(to.p_path, statp->st_mode | S_IRWXU) < 0)
- ERROR("%s", to.p_path);
+ ERROR("mkdir: %s: %s", to.p_path, strerror(errno));
} else if (!S_ISDIR(to_stat.st_mode)) {
errno = ENOTDIR;
ERROR("%s", to.p_path);
}
/* Create ad dir and copy ".Parent" */
- if (svolinfo.v_path && svolinfo.v_adouble == AD_VERSION2 &&
- dvolinfo.v_path && dvolinfo.v_adouble == AD_VERSION2) {
- /* Create ".AppleDouble" dir */
+ if (dvolume.vol->v_path && ADVOL_V2_OR_EA(dvolume.vol->v_adouble)) {
mode_t omask = umask(0);
- bstring addir = bfromcstr(to.p_path);
- bcatcstr(addir, "/.AppleDouble");
- mkdir(cfrombstr(addir), 02777);
-
- /* copy ".Parent" file */
- bcatcstr(addir, "/.Parent");
- bstring sdir = bfromcstr(path);
- bcatcstr(sdir, "/.AppleDouble/.Parent");
- if (copy_file(-1, cfrombstr(sdir), cfrombstr(addir), 0666) != 0) {
- SLOG("Error copying %s -> %s", cfrombstr(sdir), cfrombstr(addir));
+ if (dvolume.vol->v_adouble == AD_VERSION2) {
+ /* Create ".AppleDouble" dir */
+ bstring addir = bfromcstr(to.p_path);
+ bcatcstr(addir, "/.AppleDouble");
+ mkdir(cfrombstr(addir), 02777);
+ bdestroy(addir);
+ }
+
+ if (svolume.vol->v_path && ADVOL_V2_OR_EA(svolume.vol->v_adouble)) {
+ /* copy metadata file */
+ if (dvolume.vol->vfs->vfs_copyfile(dvolume.vol, -1, path, to.p_path)) {
+ SLOG("Error copying adouble for %s -> %s", path, to.p_path);
+ badcp = rval = 1;
+ break;
+ }
+ }
+
+ /* Get CNID of Parent and add new childir to CNID database */
+ ppdid = pdid;
+ if ((did = cnid_for_path(&dvolume, to.p_path, &pdid)) == CNID_INVALID) {
+ SLOG("Error resolving CNID for %s", to.p_path);
+ badcp = rval = 1;
+ return -1;
+ }
+
+ struct adouble ad;
+ struct stat st;
+ if (lstat(to.p_path, &st) != 0) {
badcp = rval = 1;
break;
}
- umask(omask);
+ ad_init(&ad, dvolume.vol);
+ if (ad_open(&ad, to.p_path, ADFLAGS_HF | ADFLAGS_DIR | ADFLAGS_RDWR | ADFLAGS_CREATE, 0666) != 0) {
+ ERROR("Error opening adouble for: %s", to.p_path);
+ }
+ ad_setid( &ad, st.st_dev, st.st_ino, did, pdid, dvolume.db_stamp);
+ if (dvolume.vol->v_adouble == AD_VERSION2)
+ ad_setname(&ad, utompath(dvolume.vol, basename(to.p_path)));
+ ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st.st_mtime);
+ ad_setdate(&ad, AD_DATE_MODIFY | AD_DATE_UNIX, st.st_mtime);
+ ad_setdate(&ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime);
+ ad_setdate(&ad, AD_DATE_BACKUP, AD_DATE_START);
+ ad_flush(&ad);
+ ad_close(&ad, ADFLAGS_HF);
- /* Get CNID of Parent and add new childir to CNID database */
- did = cnid_for_path(&dvolinfo, &dvolume, to.p_path);
+ umask(omask);
}
if (pflag) {
default:
if (ftw_copy_file(ftw, path, statp, dne))
badcp = rval = 1;
+
+ if (dvolume.vol->v_path && ADVOL_V2_OR_EA(dvolume.vol->v_adouble)) {
+
+ mode_t omask = umask(0);
+ if (svolume.vol->v_path && ADVOL_V2_OR_EA(svolume.vol->v_adouble)) {
+ /* copy ad-file */
+ if (dvolume.vol->vfs->vfs_copyfile(dvolume.vol, -1, path, to.p_path)) {
+ SLOG("Error copying adouble for %s -> %s", path, to.p_path);
+ badcp = rval = 1;
+ break;
+ }
+ }
+
+ /* Get CNID of Parent and add new childir to CNID database */
+ pdid = did;
+ cnid_t cnid;
+ if ((cnid = cnid_for_path(&dvolume, to.p_path, &did)) == CNID_INVALID) {
+ SLOG("Error resolving CNID for %s", to.p_path);
+ badcp = rval = 1;
+ return -1;
+ }
+
+ struct adouble ad;
+ struct stat st;
+ if (lstat(to.p_path, &st) != 0) {
+ badcp = rval = 1;
+ break;
+ }
+ ad_init(&ad, dvolume.vol);
+ if (ad_open(&ad, to.p_path, ADFLAGS_HF | ADFLAGS_RDWR | ADFLAGS_CREATE, 0666) != 0) {
+ ERROR("Error opening adouble for: %s", to.p_path);
+ }
+ ad_setid( &ad, st.st_dev, st.st_ino, cnid, did, dvolume.db_stamp);
+ if (dvolume.vol->v_adouble == AD_VERSION2)
+ ad_setname(&ad, utompath(dvolume.vol, basename(to.p_path)));
+ ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st.st_mtime);
+ ad_setdate(&ad, AD_DATE_MODIFY | AD_DATE_UNIX, st.st_mtime);
+ ad_setdate(&ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime);
+ ad_setdate(&ad, AD_DATE_BACKUP, AD_DATE_START);
+ ad_flush(&ad);
+ ad_close(&ad, ADFLAGS_HF);
+ umask(omask);
+ }
break;
}
if (vflag && !badcp)
return 0;
}
-static void siginfo(int sig _U_)
+/* 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)
+
+static int ftw_copy_file(const struct FTW *entp,
+ const char *spath,
+ const struct stat *sp,
+ int dne)
{
- sigint = 1;
+ 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);
+ (void)dvolume.vol->vfs->vfs_deletefile(dvolume.vol, -1, to.p_path);
+ to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT,
+ sp->st_mode & ~(S_ISUID | S_ISGID));
+ } else {
+ /* overwrite existing destination file name */
+ to_fd = open(to.p_path, O_WRONLY | O_TRUNC, 0);
+ }
+ } else {
+ 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;
+
+ /*
+ * 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;
+ }
+ }
+
+ /*
+ * 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 (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);
+}
+
+static int ftw_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);
+}
+
+static 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);
+
+#if defined(__FreeBSD__)
+ TIMESPEC_TO_TIMEVAL(&tv[0], &fs->st_atimespec);
+ TIMESPEC_TO_TIMEVAL(&tv[1], &fs->st_mtimespec);
+#else
+ TIMESPEC_TO_TIMEVAL(&tv[0], &fs->st_atim);
+ TIMESPEC_TO_TIMEVAL(&tv[1], &fs->st_mtim);
+#endif
+
+ if (utimes(to.p_path, tv)) {
+ SLOG("utimes: %s", 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);
+}
+
+static 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);
+}
+
+static 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);
}
projects / netatalk.git / blobdiff