return result;
}
+struct diritem {
+ struct diritem *prev, *next;
+ /*
+ * dirname and targetpath below are sanitized,
+ * e.g.
+ * + start and end with '\'
+ * + have no trailing '*'
+ * + all '/' have been converted to '\'
+ */
+ char *dirname;
+ char *targetpath;
+ struct cli_state *targetcli;
+};
+
+struct save_restore_stats
+{
+ int success;
+ int failure;
+};
+
+struct dump_context {
+ struct diritem *list;
+ struct cli_credentials *creds;
+ struct cli_state *cli;
+ struct save_restore_stats *stats;
+ int save_fd;
+ struct diritem *dir;
+ NTSTATUS status;
+};
+
+static int write_dacl(struct dump_context *ctx,
+ struct cli_state *cli,
+ const char *filename,
+ const char *origfname)
+{
+ struct security_descriptor *sd = NULL;
+ char *str = NULL;
+ const char *output_fmt = "%s\r\n%s\r\n";
+ const char *tmp = NULL;
+ char *out_str = NULL;
+ uint8_t *dest = NULL;
+ ssize_t s_len;
+ size_t d_len;
+ bool ok;
+ int result;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ if (test_args) {
+ return EXIT_OK;
+ }
+
+ if (ctx->save_fd < 0) {
+ DBG_ERR("error processing %s no file descriptor\n", filename);
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ sd = get_secdesc(cli, filename);
+ if (sd == NULL) {
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ sd->owner_sid = NULL;
+ sd->group_sid = NULL;
+
+ str = sddl_encode(frame, sd, get_domain_sid(cli));
+ if (str == NULL) {
+ DBG_ERR("error processing %s couldn't encode DACL\n", filename);
+ result = EXIT_FAILED;
+ goto out;
+ }
+ /*
+ * format of icacls save file is
+ * a line containing the path of the file/dir
+ * followed by a line containing the sddl format
+ * of the dacl.
+ * The format of the strings are null terminated
+ * 16-bit Unicode. Each line is terminated by "\r\n"
+ */
+
+ tmp = origfname;
+ /* skip leading '\' */
+ if (tmp[0] == '\\') {
+ tmp++;
+ }
+ out_str = talloc_asprintf(frame, output_fmt, tmp, str);
+
+ if (out_str == NULL) {
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ s_len = strlen(out_str);
+
+ ok = convert_string_talloc(out_str,
+ CH_UNIX,
+ CH_UTF16,
+ out_str,
+ s_len, (void **)(void *)&dest, &d_len);
+ if (!ok) {
+ DBG_ERR("error processing %s out of memory\n", tmp);
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ if (write(ctx->save_fd, dest, d_len) != d_len) {
+ DBG_ERR("error processing %s failed to write to file.\n", tmp);
+ result = EXIT_FAILED;
+ goto out;
+ }
+ fsync(ctx->save_fd);
+
+ result = EXIT_OK;
+ ctx->stats->success += 1;
+ fprintf(stdout, "Successfully processed file: %s\n", tmp);
+out:
+ TALLOC_FREE(frame);
+ if (result != EXIT_OK) {
+ ctx->stats->failure += 1;
+ }
+ return result;
+}
+
+/*
+ * Sanitize directory name.
+ * Given a directory name 'dir' ensure it;
+ * o starts with '\'
+ * o ends with '\'
+ * o doesn't end with trailing '*'
+ * o ensure all '/' are converted to '\'
+ */
+
+static char *sanitize_dirname(TALLOC_CTX *ctx,
+ const char *dir)
+{
+ char *mask = NULL;
+ char *name_end = NULL;
+
+ mask = talloc_strdup(ctx, dir);
+ name_end = strrchr(mask, '*');
+ if (name_end) {
+ *name_end = '\0';
+ }
+
+ name_end = strrchr(mask, DIRSEP_CHAR);
+
+ if (strlen(mask) > 0 && name_end != mask + (strlen(mask) - 1)) {
+ mask = talloc_asprintf(ctx, "%s\\", mask);
+ }
+
+ string_replace(mask, '/', '\\');
+ return mask;
+}
+
+/*
+ * Process each entry (child) of a directory.
+ * Each entry, regardless of whether it is itself a file or directory
+ * has it's dacl written to the restore/save file.
+ * Each directory is saved to context->list (for further processing)
+ * write_dacl will update the stats (success/fail)
+ */
+static NTSTATUS cacl_dump_dacl_cb(struct file_info *f,
+ const char *mask, void *state)
+{
+ struct dump_context *ctx = talloc_get_type_abort(state,
+ struct dump_context);
+
+ NTSTATUS status;
+
+ char *mask2 = NULL;
+ char *targetpath = NULL;
+ char *unresolved = NULL;
+
+ /*
+ * if we have already encountered an error
+ * bail out
+ */
+ if (!NT_STATUS_IS_OK(ctx->status)) {
+ return ctx->status;
+ }
+
+ if (!f->name || !f->name[0]) {
+ DBG_ERR("Empty dir name returned. Possible server "
+ "misconfiguration.\n");
+ status = NT_STATUS_UNSUCCESSFUL;
+ goto out;
+ }
+
+ mask2 = sanitize_dirname(ctx, mask);
+ if (!mask2) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+ if (f->attr & FILE_ATTRIBUTE_DIRECTORY) {
+ struct diritem *item = NULL;
+
+ /* ignore special '.' & '..' */
+ if ((f->name == NULL) || ISDOT(f->name) || ISDOTDOT(f->name)) {
+ status = NT_STATUS_OK;
+ goto out;
+ }
+
+ /* Work out the directory. */
+ unresolved = sanitize_dirname(ctx, ctx->dir->dirname);
+ if (!unresolved) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ unresolved = talloc_asprintf(ctx, "%s%s", unresolved, f->name);
+
+ if (unresolved == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ item = talloc_zero(ctx, struct diritem);
+ if (item == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ item->dirname = unresolved;
+
+ mask2 = talloc_asprintf(ctx, "%s%s", mask2, f->name);
+ if (!mask2) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ status = cli_resolve_path(ctx, "", ctx->creds, ctx->cli,
+ mask2, &item->targetcli, &targetpath);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("error failed to resolve: %s\n",
+ nt_errstr(status));
+ goto out;
+ }
+
+ item->targetpath = sanitize_dirname(ctx, targetpath);
+ if (!item->targetpath) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ if (write_dacl(ctx,
+ item->targetcli,
+ item->targetpath, unresolved) != EXIT_OK) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ /*
+ * cli_list happily ignores error encountered
+ * when processing the callback so we need
+ * to save any error status encountered while
+ * processing directories (so we can stop recursing
+ * those as soon as possible).
+ * Changing the current behaviour of the callback
+ * handling by cli_list would be I think be too
+ * risky.
+ */
+ ctx->status = status;
+ goto out;
+ }
+
+ DLIST_ADD_END(ctx->list, item);
+
+ } else {
+ unresolved = sanitize_dirname(ctx, ctx->dir->dirname);
+ if (!unresolved) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ unresolved = talloc_asprintf(ctx, "%s%s", unresolved, f->name);
+
+ if (!unresolved) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+ /*
+ * build full path to the file and replace '/' with '\' so
+ * other utility functions can deal with it
+ */
+
+ targetpath = talloc_asprintf(ctx, "%s%s", mask2, f->name);
+
+ if (!targetpath) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ if (write_dacl(ctx,
+ ctx->dir->targetcli,
+ targetpath, unresolved) != EXIT_OK) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ /*
+ * cli_list happily ignores error encountered
+ * when processing the callback so we need
+ * to save any error status encountered while
+ * processing directories (so we can stop recursing
+ * those as soon as possible).
+ * Changing the current behaviour of the callback
+ * handling by cli_list would be I think be too
+ * risky.
+ */
+ ctx->status = status;
+ goto out;
+ }
+ }
+ status = NT_STATUS_OK;
+out:
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("error %s: processing %s\n",
+ nt_errstr(status), targetpath);
+ }
+ return status;
+}
+
+/*
+ * dump_ctx contains a list of directories to be processed
+ * + each directory 'dir' is scanned by cli_list, the cli_list
+ * callback 'cacl_dump_dacl_cb' writes out the dacl of each
+ * child of 'dir' (regardless of whether it is a dir or file)
+ * to the restore/save file. Additionally any directories encountered
+ * are returned in the passed in dump_ctx->list member
+ * + the directory list returned from cli_list is passed and processed
+ * by recursively calling dump_dacl_dirtree
+ *
+ */
+static int dump_dacl_dirtree(struct dump_context *dump_ctx)
+{
+ struct diritem *item = NULL;
+ struct dump_context *new_dump_ctx = NULL;
+ int result;
+ for (item = dump_ctx->list; item; item = item->next) {
+ uint16_t attribute = FILE_ATTRIBUTE_DIRECTORY
+ | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN;
+ NTSTATUS status;
+ char *mask = NULL;
+
+ new_dump_ctx = talloc_zero(dump_ctx, struct dump_context);
+
+ if (new_dump_ctx == NULL) {
+ DBG_ERR("out of memory\n");
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ if (item->targetcli == NULL) {
+ status = cli_resolve_path(new_dump_ctx,
+ "",
+ dump_ctx->creds,
+ dump_ctx->cli,
+ item->dirname,
+ &item->targetcli,
+ &item->targetpath);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("failed to resolve path %s "
+ "error: %s\n",
+ item->dirname, nt_errstr(status));
+ result = EXIT_FAILED;
+ goto out;
+ }
+ }
+ new_dump_ctx->creds = dump_ctx->creds;
+ new_dump_ctx->save_fd = dump_ctx->save_fd;
+ new_dump_ctx->stats = dump_ctx->stats;
+ new_dump_ctx->dir = item;
+ new_dump_ctx->cli = item->targetcli;
+
+ mask = talloc_asprintf(new_dump_ctx, "%s*",
+ new_dump_ctx->dir->targetpath);
+ status = cli_list(new_dump_ctx->dir->targetcli,
+ mask,
+ attribute, cacl_dump_dacl_cb, new_dump_ctx);
+
+ if (!NT_STATUS_IS_OK(status) ||
+ !NT_STATUS_IS_OK(new_dump_ctx->status)) {
+ NTSTATUS tmpstatus;
+ if (!NT_STATUS_IS_OK(status)) {
+ /*
+ * cli_list failed for some reason
+ * so we need to update the failure stat
+ */
+ new_dump_ctx->stats->failure += 1;
+ tmpstatus = status;
+ } else {
+ /* cacl_dump_dacl_cb should have updated stat */
+ tmpstatus = new_dump_ctx->status;
+ }
+ DBG_ERR("error %s: processing %s\n",
+ nt_errstr(tmpstatus), item->dirname);
+ result = EXIT_FAILED;
+ goto out;
+ }
+ result = dump_dacl_dirtree(new_dump_ctx);
+ if (result != EXIT_OK) {
+ goto out;
+ }
+ }
+
+ result = EXIT_OK;
+out:
+ TALLOC_FREE(new_dump_ctx);
+ return result;
+}
+
+static int cacl_dump_dacl(struct cli_state *cli,
+ struct cli_credentials *creds,
+ char *filename)
+{
+ int fileattr;
+ char *mask = NULL;
+ TALLOC_CTX *ctx = NULL;
+ bool isdirectory = false;
+ int result;
+ struct dump_context *dump_ctx = NULL;
+ struct save_restore_stats stats = {0};
+ struct diritem *item = NULL;
+ struct cli_state *targetcli = NULL;
+ char *targetpath = NULL;
+ NTSTATUS status;
+
+ ctx = talloc_init("cacl_dump");
+ if (ctx == NULL) {
+ DBG_ERR("out of memory\n");
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ dump_ctx = talloc_zero(ctx, struct dump_context);
+ if (dump_ctx == NULL) {
+ DBG_ERR("out of memory\n");
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ dump_ctx->save_fd = open(save_file,
+ O_CREAT | O_RDWR | O_TRUNC, S_IRUSR | S_IWUSR);
+
+ if (dump_ctx->save_fd < 0) {
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ dump_ctx->creds = creds;
+ dump_ctx->cli = cli;
+ dump_ctx->stats = &stats;
+
+ /* ensure we have a filename that starts with '\' */
+ if (!filename || *filename != DIRSEP_CHAR) {
+ /* illegal or no filename */
+ result = EXIT_FAILED;
+ DBG_ERR("illegal or missing name '%s'\n", filename);
+ goto out;
+ }
+
+ status = cli_resolve_path(dump_ctx, "",
+ dump_ctx->creds,
+ dump_ctx->cli,
+ filename, &targetcli, &targetpath);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("failed resolve %s\n", filename);
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ fileattr = get_fileinfo(targetcli, targetpath);
+ isdirectory = (fileattr & FILE_ATTRIBUTE_DIRECTORY)
+ == FILE_ATTRIBUTE_DIRECTORY;
+
+ /*
+ * if we've got as far as here then we have already evaluated
+ * the args.
+ */
+ if (test_args) {
+ result = EXIT_OK;
+ goto out;
+ }
+
+ mask = NULL;
+ /* make sure we have a trailing '\*' for directory */
+ if (!isdirectory) {
+ mask = talloc_strdup(ctx, filename);
+ } else if (strlen(filename) > 1) {
+ mask = sanitize_dirname(ctx, filename);
+ } else {
+ /* filename is a single '\' */
+ mask = talloc_strdup(ctx, filename);
+ }
+ if (!mask) {
+ result = EXIT_FAILED;
+ goto out;
+ }
+
+ write_dacl(dump_ctx, targetcli, targetpath, filename);
+ if (isdirectory && recurse) {
+ item = talloc_zero(dump_ctx, struct diritem);
+ if (!item) {
+ result = EXIT_FAILED;
+ goto out;
+ }
+ item->dirname = mask;
+ DLIST_ADD_END(dump_ctx->list, item);
+ dump_dacl_dirtree(dump_ctx);
+ }
+
+ fprintf(stdout, "Successfully processed %d files: "
+ "Failed processing %d files\n",
+ dump_ctx->stats->success, dump_ctx->stats->failure);
+ result = EXIT_OK;
+out:
+ if (dump_ctx && dump_ctx->save_fd) {
+ close(dump_ctx->save_fd);
+ }
+ TALLOC_FREE(ctx);
+ return result;
+}
+
/****************************************************************************
main program
****************************************************************************/
numeric);
}
} else {
- result = cacl_dump(targetcli, targetfile, numeric);
+ if (save_file) {
+ sddl = 1;
+ result = cacl_dump_dacl(cli, creds, filename);
+ } else {
+ result = cacl_dump(targetcli, targetfile, numeric);
+ }
}
gfree_all();
git.samba.org / samba.git / commitdiff