/*
* Get information of all renames which occurred between 'o_tree' and
* 'tree'. We need the three trees in the merge ('o_tree', 'a_tree' and
* 'b_tree') to be able to associate the correct cache entries with
* the rename information. 'tree' is always equal to either a_tree or b_tree.
*/
static struct path_list *get_renames(struct tree *tree,
struct tree *o_tree,
struct tree *a_tree,
struct tree *b_tree,
struct path_list *entries)
{
int i;
struct path_list *renames;
struct diff_options opts;
renames = xcalloc(1, sizeof(struct path_list));
diff_setup(&opts);
DIFF_OPT_SET(&opts, RECURSIVE);
opts.detect_rename = DIFF_DETECT_RENAME;
opts.rename_limit = merge_rename_limit >= 0 ? merge_rename_limit :
diff_rename_limit >= 0 ? diff_rename_limit :
500;
opts.warn_on_too_large_rename = 1;
opts.output_format = DIFF_FORMAT_NO_OUTPUT;
if (diff_setup_done(&opts) < 0)
die("diff setup failed");
diff_tree_sha1(o_tree->object.sha1, tree->object.sha1, "", &opts);
diffcore_std(&opts);
for (i = 0; i < diff_queued_diff.nr; ++i) {
struct path_list_item *item;
struct rename *re;
struct diff_filepair *pair = diff_queued_diff.queue[i];
if (pair->status != 'R') {
diff_free_filepair(pair);
continue;
}
re = xmalloc(sizeof(*re));
re->processed = 0;
re->pair = pair;
item = path_list_lookup(re->pair->one->path, entries);
if (!item)
re->src_entry = insert_stage_data(re->pair->one->path,
o_tree, a_tree, b_tree, entries);
else
re->src_entry = item->util;
item = path_list_lookup(re->pair->two->path, entries);
if (!item)
re->dst_entry = insert_stage_data(re->pair->two->path,
o_tree, a_tree, b_tree, entries);
else
re->dst_entry = item->util;
item = path_list_insert(pair->one->path, renames);
item->util = re;
}
opts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_queued_diff.nr = 0;
diff_flush(&opts);
return renames;
}
/*
* Create a dictionary mapping file names to stage_data objects. The
* dictionary contains one entry for every path with a non-zero stage entry.
*/
static struct path_list *get_unmerged(void)
{
struct path_list *unmerged = xcalloc(1, sizeof(struct path_list));
int i;
unmerged->strdup_paths = 1;
for (i = 0; i < active_nr; i++) {
struct path_list_item *item;
struct stage_data *e;
struct cache_entry *ce = active_cache[i];
if (!ce_stage(ce))
continue;
item = path_list_lookup(ce->name, unmerged);
if (!item) {
item = path_list_insert(ce->name, unmerged);
item->util = xcalloc(1, sizeof(struct stage_data));
}
e = item->util;
e->stages[ce_stage(ce)].mode = ce->ce_mode;
hashcpy(e->stages[ce_stage(ce)].sha, ce->sha1);
}
return unmerged;
}
static int process_renames(struct path_list *a_renames,
struct path_list *b_renames,
const char *a_branch,
const char *b_branch)
{
int clean_merge = 1, i, j;
struct path_list a_by_dst = {NULL, 0, 0, 0}, b_by_dst = {NULL, 0, 0, 0};
const struct rename *sre;
for (i = 0; i < a_renames->nr; i++) {
sre = a_renames->items[i].util;
path_list_insert(sre->pair->two->path, &a_by_dst)->util
= sre->dst_entry;
}
for (i = 0; i < b_renames->nr; i++) {
sre = b_renames->items[i].util;
path_list_insert(sre->pair->two->path, &b_by_dst)->util
= sre->dst_entry;
}
for (i = 0, j = 0; i < a_renames->nr || j < b_renames->nr;) {
int compare;
char *src;
struct path_list *renames1, *renames2, *renames2Dst;
struct rename *ren1 = NULL, *ren2 = NULL;
const char *branch1, *branch2;
const char *ren1_src, *ren1_dst;
if (i >= a_renames->nr) {
compare = 1;
ren2 = b_renames->items[j++].util;
} else if (j >= b_renames->nr) {
compare = -1;
ren1 = a_renames->items[i++].util;
} else {
compare = strcmp(a_renames->items[i].path,
b_renames->items[j].path);
if (compare <= 0)
ren1 = a_renames->items[i++].util;
if (compare >= 0)
ren2 = b_renames->items[j++].util;
}
/* TODO: refactor, so that 1/2 are not needed */
if (ren1) {
renames1 = a_renames;
renames2 = b_renames;
renames2Dst = &b_by_dst;
branch1 = a_branch;
branch2 = b_branch;
} else {
struct rename *tmp;
renames1 = b_renames;
renames2 = a_renames;
renames2Dst = &a_by_dst;
branch1 = b_branch;
branch2 = a_branch;
tmp = ren2;
ren2 = ren1;
ren1 = tmp;
}
src = ren1->pair->one->path;
ren1->dst_entry->processed = 1;
ren1->src_entry->processed = 1;
if (ren1->processed)
continue;
ren1->processed = 1;
ren1_src = ren1->pair->one->path;
ren1_dst = ren1->pair->two->path;
if (ren2) {
const char *ren2_src = ren2->pair->one->path;
const char *ren2_dst = ren2->pair->two->path;
/* Renamed in 1 and renamed in 2 */
if (strcmp(ren1_src, ren2_src) != 0)
die("ren1.src != ren2.src");
ren2->dst_entry->processed = 1;
ren2->processed = 1;
if (strcmp(ren1_dst, ren2_dst) != 0) {
clean_merge = 0;
output(1, "CONFLICT (rename/rename): "
"Rename \"%s\"->\"%s\" in branch \"%s\" "
"rename \"%s\"->\"%s\" in \"%s\"%s",
src, ren1_dst, branch1,
src, ren2_dst, branch2,
index_only ? " (left unresolved)": "");
if (index_only) {
remove_file_from_cache(src);
update_file(0, ren1->pair->one->sha1,
ren1->pair->one->mode, src);
}
conflict_rename_rename(ren1, branch1, ren2, branch2);
} else {
struct merge_file_info mfi;
remove_file(1, ren1_src, 1);
mfi = merge_file(ren1->pair->one,
ren1->pair->two,
ren2->pair->two,
branch1,
branch2);
if (mfi.merge || !mfi.clean)
output(1, "Renamed %s->%s", src, ren1_dst);
if (mfi.merge)
output(2, "Auto-merged %s", ren1_dst);
if (!mfi.clean) {
output(1, "CONFLICT (content): merge conflict in %s",
ren1_dst);
clean_merge = 0;
if (!index_only)
update_stages(ren1_dst,
ren1->pair->one,
ren1->pair->two,
ren2->pair->two,
1 /* clear */);
}
update_file(mfi.clean, mfi.sha, mfi.mode, ren1_dst);
}
} else {
/* Renamed in 1, maybe changed in 2 */
struct path_list_item *item;
/* we only use sha1 and mode of these */
struct diff_filespec src_other, dst_other;
int try_merge, stage = a_renames == renames1 ? 3: 2;
remove_file(1, ren1_src, index_only || stage == 3);
hashcpy(src_other.sha1, ren1->src_entry->stages[stage].sha);
src_other.mode = ren1->src_entry->stages[stage].mode;
hashcpy(dst_other.sha1, ren1->dst_entry->stages[stage].sha);
dst_other.mode = ren1->dst_entry->stages[stage].mode;
try_merge = 0;
if (path_list_has_path(¤t_directory_set, ren1_dst)) {
clean_merge = 0;
output(1, "CONFLICT (rename/directory): Renamed %s->%s in %s "
" directory %s added in %s",
ren1_src, ren1_dst, branch1,
ren1_dst, branch2);
conflict_rename_dir(ren1, branch1);
} else if (sha_eq(src_other.sha1, null_sha1)) {
clean_merge = 0;
output(1, "CONFLICT (rename/delete): Renamed %s->%s in %s "
"and deleted in %s",
ren1_src, ren1_dst, branch1,
branch2);
update_file(0, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
} else if (!sha_eq(dst_other.sha1, null_sha1)) {
const char *new_path;
clean_merge = 0;
try_merge = 1;
output(1, "CONFLICT (rename/add): Renamed %s->%s in %s. "
"%s added in %s",
ren1_src, ren1_dst, branch1,
ren1_dst, branch2);
new_path = unique_path(ren1_dst, branch2);
output(1, "Added as %s instead", new_path);
update_file(0, dst_other.sha1, dst_other.mode, new_path);
} else if ((item = path_list_lookup(ren1_dst, renames2Dst))) {
ren2 = item->util;
clean_merge = 0;
ren2->processed = 1;
output(1, "CONFLICT (rename/rename): Renamed %s->%s in %s. "
"Renamed %s->%s in %s",
ren1_src, ren1_dst, branch1,
ren2->pair->one->path, ren2->pair->two->path, branch2);
conflict_rename_rename_2(ren1, branch1, ren2, branch2);
} else
try_merge = 1;
if (try_merge) {
struct diff_filespec *o, *a, *b;
struct merge_file_info mfi;
src_other.path = (char *)ren1_src;
o = ren1->pair->one;
if (a_renames == renames1) {
a = ren1->pair->two;
b = &src_other;
} else {
b = ren1->pair->two;
a = &src_other;
}
mfi = merge_file(o, a, b,
a_branch, b_branch);
if (mfi.clean &&
sha_eq(mfi.sha, ren1->pair->two->sha1) &&
mfi.mode == ren1->pair->two->mode)
/*
* This messaged is part of
* t6022 test. If you change
* it update the test too.
*/
output(3, "Skipped %s (merged same as existing)", ren1_dst);
else {
if (mfi.merge || !mfi.clean)
output(1, "Renamed %s => %s", ren1_src, ren1_dst);
if (mfi.merge)
output(2, "Auto-merged %s", ren1_dst);
if (!mfi.clean) {
output(1, "CONFLICT (rename/modify): Merge conflict in %s",
ren1_dst);
clean_merge = 0;
if (!index_only)
update_stages(ren1_dst,
o, a, b, 1);
}
update_file(mfi.clean, mfi.sha, mfi.mode, ren1_dst);
}
}
}
}
path_list_clear(&a_by_dst, 0);
path_list_clear(&b_by_dst, 0);
return clean_merge;
}
/*
* This is called during restore to create the file (if necessary) We must return in rp->create_status:
*
* CF_ERROR -- error
* CF_SKIP -- skip processing this file
* CF_EXTRACT -- extract the file (i.e.call i/o routines)
* CF_CREATED -- created, but no content to extract (typically directories)
*/
static bRC createFile(bpContext *ctx, struct restore_pkt *rp)
{
int status;
bool exists = false;
struct stat st;
plugin_ctx *p_ctx = (plugin_ctx *)ctx->pContext;
if (!p_ctx) {
return bRC_Error;
}
/*
* See if the file already exists.
*/
Dmsg2(400, "Replace=%c %d\n", (char)rp->replace, rp->replace);
status = ceph_lstat(p_ctx->cmount, rp->ofname, &st);
if (status == 0) {
exists = true;
switch (rp->replace) {
case REPLACE_IFNEWER:
if (rp->statp.st_mtime <= st.st_mtime) {
Jmsg(ctx, M_SKIPPED, 0, _("File skipped. Not newer: %s\n"), rp->ofname);
rp->create_status = CF_SKIP;
goto bail_out;
}
break;
case REPLACE_IFOLDER:
if (rp->statp.st_mtime >= st.st_mtime) {
Jmsg(ctx, M_SKIPPED, 0, _("File skipped. Not older: %s\n"), rp->ofname);
rp->create_status = CF_SKIP;
goto bail_out;
}
break;
case REPLACE_NEVER:
/*
* Set attributes if we created this directory
*/
if (rp->type == FT_DIREND && path_list_lookup(p_ctx->path_list, rp->ofname)) {
break;
}
Jmsg(ctx, M_SKIPPED, 0, _("File skipped. Already exists: %s\n"), rp->ofname);
rp->create_status = CF_SKIP;
goto bail_out;
case REPLACE_ALWAYS:
break;
}
}
switch (rp->type) {
case FT_LNKSAVED: /* Hard linked, file already saved */
case FT_LNK:
case FT_SPEC: /* Fifo, ... to be backed up */
case FT_REGE: /* Empty file */
case FT_REG: /* Regular file */
/*
* See if file already exists then we need to unlink it.
*/
if (exists) {
Dmsg1(400, "unlink %s\n", rp->ofname);
status = ceph_unlink(p_ctx->cmount, rp->ofname);
if (status != 0) {
berrno be;
Jmsg(ctx, M_ERROR, 0,
_("File %s already exists and could not be replaced. ERR=%s.\n"),
rp->ofname, be.bstrerror(-status));
/*
* Continue despite error
*/
}
} else {
/*
* File doesn't exist see if we need to create the parent directory.
*/
POOL_MEM parent_dir(PM_FNAME);
char *bp;
pm_strcpy(parent_dir, rp->ofname);
bp = strrchr(parent_dir.c_str(), '/');
if (bp) {
*bp = '\0';
if (strlen(parent_dir.c_str())) {
if (!cephfs_makedirs(p_ctx, parent_dir.c_str())) {
rp->create_status = CF_ERROR;
goto bail_out;
}
}
}
}
/*
* See if we need to perform anything special for the restore file type.
*/
switch (rp->type) {
case FT_LNKSAVED:
status = ceph_link(p_ctx->cmount, rp->olname, rp->ofname);
if (status < 0) {
berrno be;
Jmsg(ctx, M_ERROR, "ceph_link(%s) failed: %s\n", rp->ofname, be.bstrerror(-status));
rp->create_status = CF_ERROR;
} else {
rp->create_status = CF_CREATED;
}
break;
case FT_LNK:
status = ceph_symlink(p_ctx->cmount, rp->olname, rp->ofname);
if (status < 0) {
berrno be;
Jmsg(ctx, M_ERROR, "ceph_symlink(%s) failed: %s\n", rp->ofname, be.bstrerror(-status));
rp->create_status = CF_ERROR;
} else {
rp->create_status = CF_CREATED;
}
break;
case FT_SPEC:
status = ceph_mknod(p_ctx->cmount, rp->olname, rp->statp.st_mode, rp->statp.st_rdev);
if (status < 0) {
berrno be;
Jmsg(ctx, M_ERROR, "ceph_mknod(%s) failed: %s\n", rp->ofname, be.bstrerror(-status));
rp->create_status = CF_ERROR;
} else {
rp->create_status = CF_CREATED;
}
break;
default:
rp->create_status = CF_EXTRACT;
break;
}
break;
case FT_DIRBEGIN:
case FT_DIREND:
if (!cephfs_makedirs(p_ctx, rp->ofname)) {
rp->create_status = CF_ERROR;
} else {
rp->create_status = CF_CREATED;
}
break;
case FT_DELETED:
Jmsg(ctx, M_INFO, 0, _("Original file %s have been deleted: type=%d\n"), rp->ofname, rp->type);
break;
default:
Jmsg(ctx, M_ERROR, 0, _("Unknown file type %d; not restored: %s\n"), rp->type, rp->ofname);
break;
}
bail_out:
return bRC_OK;
}
/*
* Create the file, or the directory
*
* fname is the original filename
* ofile is the output filename (may be in a different directory)
*
* Returns: CF_SKIP if file should be skipped
* CF_ERROR on error
* CF_EXTRACT file created and data to restore
* CF_CREATED file created no data to restore
*
* Note, we create the file here, except for special files,
* we do not set the attributes because we want to first
* write the file, then when the writing is done, set the
* attributes.
*
* So, we return with the file descriptor open for normal files.
*/
int create_file(JCR *jcr, ATTR *attr, BFILE *bfd, int replace)
{
mode_t new_mode, parent_mode;
int flags;
uid_t uid;
gid_t gid;
int pnl;
bool exists = false;
struct stat mstatp;
#ifndef HAVE_WIN32
bool isOnRoot;
#endif
bfd->reparse_point = false;
if (is_win32_stream(attr->data_stream)) {
set_win32_backup(bfd);
} else {
set_portable_backup(bfd);
}
new_mode = attr->statp.st_mode;
Dmsg3(200, "type=%d newmode=%x file=%s\n", attr->type, new_mode, attr->ofname);
parent_mode = S_IWUSR | S_IXUSR | new_mode;
gid = attr->statp.st_gid;
uid = attr->statp.st_uid;
#ifdef HAVE_WIN32
if (!bfd->use_backup_api) {
/*
* Eliminate invalid windows filename characters from foreign filenames
*/
char *ch = (char *)attr->ofname;
if (ch[0] != 0 && ch[1] != 0) {
ch += 2;
while (*ch) {
switch (*ch) {
case ':':
case '<':
case '>':
case '*':
case '?':
case '|':
*ch = '_';
break;
}
ch++;
}
}
}
#endif
Dmsg2(400, "Replace=%c %d\n", (char)replace, replace);
if (lstat(attr->ofname, &mstatp) == 0) {
exists = true;
switch (replace) {
case REPLACE_IFNEWER:
if (attr->statp.st_mtime <= mstatp.st_mtime) {
Qmsg(jcr, M_INFO, 0, _("File skipped. Not newer: %s\n"), attr->ofname);
return CF_SKIP;
}
break;
case REPLACE_IFOLDER:
if (attr->statp.st_mtime >= mstatp.st_mtime) {
Qmsg(jcr, M_INFO, 0, _("File skipped. Not older: %s\n"), attr->ofname);
return CF_SKIP;
}
break;
case REPLACE_NEVER:
/*
* Set attributes if we created this directory
*/
if (attr->type == FT_DIREND && path_list_lookup(jcr->path_list, attr->ofname)) {
break;
}
Qmsg(jcr, M_INFO, 0, _("File skipped. Already exists: %s\n"), attr->ofname);
return CF_SKIP;
case REPLACE_ALWAYS:
break;
}
}
switch (attr->type) {
case FT_RAW: /* Raw device to be written */
case FT_FIFO: /* FIFO to be written to */
case FT_LNKSAVED: /* Hard linked, file already saved */
case FT_LNK:
case FT_SPEC: /* Fifo, ... to be backed up */
case FT_REGE: /* Empty file */
case FT_REG: /* Regular file */
/*
* Note, we do not delete FT_RAW because these are device files
* or FIFOs that should already exist. If we blow it away,
* we may blow away a FIFO that is being used to read the
* restore data, or we may blow away a partition definition.
*/
if (exists && attr->type != FT_RAW && attr->type != FT_FIFO) {
/* Get rid of old copy */
Dmsg1(400, "unlink %s\n", attr->ofname);
if (secure_erase(jcr, attr->ofname) == -1) {
berrno be;
Qmsg(jcr, M_ERROR, 0, _("File %s already exists and could not be replaced. ERR=%s.\n"),
attr->ofname, be.bstrerror());
/* Continue despite error */
}
}
/*
* Here we do some preliminary work for all the above
* types to create the path to the file if it does
* not already exist. Below, we will split to
* do the file type specific work
*/
pnl = separate_path_and_file(jcr, attr->fname, attr->ofname);
if (pnl < 0) {
return CF_ERROR;
}
/*
* If path length is <= 0 we are making a file in the root
* directory. Assume that the directory already exists.
*/
if (pnl > 0) {
char savechr;
savechr = attr->ofname[pnl];
attr->ofname[pnl] = 0; /* terminate path */
if (!path_already_seen(jcr, attr->ofname, pnl)) {
Dmsg1(400, "Make path %s\n", attr->ofname);
/*
* If we need to make the directory, ensure that it is with
* execute bit set (i.e. parent_mode), and preserve what already
* exists. Normally, this should do nothing.
*/
if (!makepath(attr, attr->ofname, parent_mode, parent_mode, uid, gid, 1)) {
Dmsg1(10, "Could not make path. %s\n", attr->ofname);
attr->ofname[pnl] = savechr; /* restore full name */
return CF_ERROR;
}
}
attr->ofname[pnl] = savechr; /* restore full name */
}
/*
* Now we do the specific work for each file type
*/
switch(attr->type) {
case FT_REGE:
case FT_REG:
Dmsg1(100, "Create=%s\n", attr->ofname);
flags = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY; /* O_NOFOLLOW; */
if (IS_CTG(attr->statp.st_mode)) {
flags |= O_CTG; /* set contiguous bit if needed */
}
if (is_bopen(bfd)) {
Qmsg1(jcr, M_ERROR, 0, _("bpkt already open fid=%d\n"), bfd->fid);
bclose(bfd);
}
if (bopen(bfd, attr->ofname, flags, 0, attr->statp.st_rdev) < 0) {
berrno be;
be.set_errno(bfd->berrno);
Qmsg2(jcr, M_ERROR, 0, _("Could not create %s: ERR=%s\n"), attr->ofname, be.bstrerror());
Dmsg2(100,"Could not create %s: ERR=%s\n", attr->ofname, be.bstrerror());
return CF_ERROR;
}
return CF_EXTRACT;
#ifndef HAVE_WIN32 /* None of these exist in MS Windows */
case FT_RAW: /* Bareos raw device e.g. /dev/sda1 */
case FT_FIFO: /* Bareos fifo to save data */
case FT_SPEC:
flags = O_WRONLY | O_BINARY;
isOnRoot = bstrcmp(attr->fname, attr->ofname) ? 1 : 0;
if (S_ISFIFO(attr->statp.st_mode)) {
Dmsg1(400, "Restore fifo: %s\n", attr->ofname);
if (mkfifo(attr->ofname, attr->statp.st_mode) != 0 && errno != EEXIST) {
berrno be;
Qmsg2(jcr, M_ERROR, 0, _("Cannot make fifo %s: ERR=%s\n"),
attr->ofname, be.bstrerror());
return CF_ERROR;
}
} else if (S_ISSOCK(attr->statp.st_mode)) {
Dmsg1(200, "Skipping restore of socket: %s\n", attr->ofname);
#ifdef S_IFDOOR /* Solaris high speed RPC mechanism */
} else if (S_ISDOOR(attr->statp.st_mode)) {
Dmsg1(200, "Skipping restore of door file: %s\n", attr->ofname);
#endif
#ifdef S_IFPORT /* Solaris event port for handling AIO */
} else if (S_ISPORT(attr->statp.st_mode)) {
Dmsg1(200, "Skipping restore of event port file: %s\n", attr->ofname);
#endif
} else if ((S_ISBLK(attr->statp.st_mode) || S_ISCHR(attr->statp.st_mode)) && !exists && isOnRoot) {
/*
* Fatal: Restoring a device on root-file system, but device node does not exist.
* Should not create a dump file.
*/
Qmsg1(jcr, M_ERROR, 0, _("Device restore on root failed, device %s missing.\n"), attr->fname);
return CF_ERROR;
} else if (S_ISBLK(attr->statp.st_mode) || S_ISCHR(attr->statp.st_mode)) {
Dmsg1(400, "Restoring a device as a file: %s\n", attr->ofname);
flags = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY;
} else {
Dmsg1(400, "Restore node: %s\n", attr->ofname);
if (mknod(attr->ofname, attr->statp.st_mode, attr->statp.st_rdev) != 0 && errno != EEXIST) {
berrno be;
Qmsg2(jcr, M_ERROR, 0, _("Cannot make node %s: ERR=%s\n"),
attr->ofname, be.bstrerror());
return CF_ERROR;
}
}
/*
* Here we are going to attempt to restore to a FIFO, which
* means that the FIFO must already exist, AND there must
* be some process already attempting to read from the
* FIFO, so we open it write-only.
*/
if (attr->type == FT_RAW || attr->type == FT_FIFO) {
btimer_t *tid;
Dmsg1(400, "FT_RAW|FT_FIFO %s\n", attr->ofname);
/*
* Timeout open() in 60 seconds
*/
if (attr->type == FT_FIFO) {
Dmsg0(400, "Set FIFO timer\n");
tid = start_thread_timer(jcr, pthread_self(), 60);
} else {
tid = NULL;
}
if (is_bopen(bfd)) {
Qmsg1(jcr, M_ERROR, 0, _("bpkt already open fid=%d\n"), bfd->fid);
}
Dmsg2(400, "open %s flags=0x%x\n", attr->ofname, flags);
if ((bopen(bfd, attr->ofname, flags, 0, 0)) < 0) {
berrno be;
be.set_errno(bfd->berrno);
Qmsg2(jcr, M_ERROR, 0, _("Could not open %s: ERR=%s\n"),
attr->ofname, be.bstrerror());
Dmsg2(400, "Could not open %s: ERR=%s\n", attr->ofname, be.bstrerror());
stop_thread_timer(tid);
return CF_ERROR;
}
stop_thread_timer(tid);
return CF_EXTRACT;
}
Dmsg1(400, "FT_SPEC %s\n", attr->ofname);
return CF_CREATED;
case FT_LNKSAVED: /* Hard linked, file already saved */
Dmsg2(130, "Hard link %s => %s\n", attr->ofname, attr->olname);
if (link(attr->olname, attr->ofname) != 0) {
berrno be;
#ifdef HAVE_CHFLAGS
struct stat s;
/*
* If using BSD user flags, maybe has a file flag preventing this.
* So attempt to disable, retry link, and reset flags.
* Note that BSD securelevel may prevent disabling flag.
*/
if (stat(attr->olname, &s) == 0 && s.st_flags != 0) {
if (chflags(attr->olname, 0) == 0) {
if (link(attr->olname, attr->ofname) != 0) {
/*
* Restore original file flags even when linking failed
*/
if (chflags(attr->olname, s.st_flags) < 0) {
Qmsg2(jcr, M_ERROR, 0, _("Could not restore file flags for file %s: ERR=%s\n"),
attr->olname, be.bstrerror());
}
#endif /* HAVE_CHFLAGS */
Qmsg3(jcr, M_ERROR, 0, _("Could not hard link %s -> %s: ERR=%s\n"),
attr->ofname, attr->olname, be.bstrerror());
Dmsg3(200, "Could not hard link %s -> %s: ERR=%s\n",
attr->ofname, attr->olname, be.bstrerror());
return CF_ERROR;
#ifdef HAVE_CHFLAGS
}
/*
* Finally restore original file flags
*/
if (chflags(attr->olname, s.st_flags) < 0) {
Qmsg2(jcr, M_ERROR, 0, _("Could not restore file flags for file %s: ERR=%s\n"),
attr->olname, be.bstrerror());
}
} else {
Qmsg2(jcr, M_ERROR, 0, _("Could not reset file flags for file %s: ERR=%s\n"),
attr->olname, be.bstrerror());
}
} else {
Qmsg3(jcr, M_ERROR, 0, _("Could not hard link %s -> %s: ERR=%s\n"),
attr->ofname, attr->olname, be.bstrerror());
return CF_ERROR;
}
#endif /* HAVE_CHFLAGS */
}
return CF_CREATED;
#endif /* HAVE_WIN32 */
#ifdef HAVE_WIN32
case FT_LNK:
/*
* Handle Windows Symlink-Like Reparse Points
* - Directory Symlinks
* - File Symlinks
* - Volume Mount Points
* - Junctions
*/
Dmsg2(130, "FT_LNK should restore: %s -> %s\n", attr->ofname, attr->olname);
if (attr->statp.st_rdev & FILE_ATTRIBUTE_VOLUME_MOUNT_POINT) {
/*
* We do not restore volume mount points
*/
Dmsg0(130, "Skipping Volume Mount Point\n");
return CF_SKIP;
}
if (win32_symlink(attr->olname, attr->ofname, attr->statp.st_rdev) != 0 && errno != EEXIST) {
berrno be;
Qmsg3(jcr, M_ERROR, 0, _("Could not symlink %s -> %s: ERR=%s\n"),
attr->ofname, attr->olname, be.bstrerror());
return CF_ERROR;
}
return CF_CREATED;
#else
case FT_LNK:
/*
* Unix/Linux symlink handling
*/
Dmsg2(130, "FT_LNK should restore: %s -> %s\n", attr->ofname, attr->olname);
if (symlink(attr->olname, attr->ofname) != 0 && errno != EEXIST) {
berrno be;
Qmsg3(jcr, M_ERROR, 0, _("Could not symlink %s -> %s: ERR=%s\n"),
attr->ofname, attr->olname, be.bstrerror());
return CF_ERROR;
}
return CF_CREATED;
#endif
} /* End inner switch */
case FT_REPARSE:
case FT_JUNCTION:
bfd->reparse_point = true;
/*
* Fall through wanted
*/
case FT_DIRBEGIN:
case FT_DIREND:
Dmsg2(200, "Make dir mode=%o dir=%s\n", new_mode, attr->ofname);
if (!makepath(attr, attr->ofname, new_mode, parent_mode, uid, gid, 0)) {
return CF_ERROR;
}
/*
* If we are using the Win32 Backup API, we open the directory so
* that the security info will be read and saved.
*/
if (!is_portable_backup(bfd)) {
if (is_bopen(bfd)) {
Qmsg1(jcr, M_ERROR, 0, _("bpkt already open fid=%d\n"), bfd->fid);
}
if (bopen(bfd, attr->ofname, O_WRONLY | O_BINARY, 0, attr->statp.st_rdev) < 0) {
berrno be;
be.set_errno(bfd->berrno);
#ifdef HAVE_WIN32
/*
* Check for trying to create a drive, if so, skip
*/
if (attr->ofname[1] == ':' &&
IsPathSeparator(attr->ofname[2]) &&
attr->ofname[3] == '\0') {
return CF_SKIP;
}
#endif
Qmsg2(jcr, M_ERROR, 0, _("Could not open %s: ERR=%s\n"),
attr->ofname, be.bstrerror());
return CF_ERROR;
}
return CF_EXTRACT;
} else {
return CF_CREATED;
}
case FT_DELETED:
Qmsg2(jcr, M_INFO, 0, _("Original file %s have been deleted: type=%d\n"), attr->fname, attr->type);
break;
/*
* The following should not occur
*/
case FT_NOACCESS:
case FT_NOFOLLOW:
case FT_NOSTAT:
case FT_DIRNOCHG:
case FT_NOCHG:
case FT_ISARCH:
case FT_NORECURSE:
case FT_NOFSCHG:
case FT_NOOPEN:
Qmsg2(jcr, M_ERROR, 0, _("Original file %s not saved: type=%d\n"), attr->fname, attr->type);
break;
default:
Qmsg2(jcr, M_ERROR, 0, _("Unknown file type %d; not restored: %s\n"), attr->type, attr->fname);
break;
}
return CF_ERROR;
}
