| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | useful function for deleting a whole directory tree
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| 4 | Copyright (C) Andrew Tridgell 2003
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | #include "includes.h"
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| 21 | #include "libcli/raw/libcliraw.h"
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| 22 | #include "libcli/libcli.h"
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| 23 | #include "system/dir.h"
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| 24 |
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| 25 | struct delete_state {
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| 26 | struct smbcli_tree *tree;
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| 27 | int total_deleted;
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| 28 | bool failed;
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| 29 | };
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| 30 |
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| 31 | /*
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| 32 | callback function for torture_deltree()
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| 33 | */
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| 34 | static void delete_fn(struct clilist_file_info *finfo, const char *name, void *state)
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| 35 | {
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| 36 | struct delete_state *dstate = (struct delete_state *)state;
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| 37 | char *s, *n;
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| 38 | if (ISDOT(finfo->name) || ISDOTDOT(finfo->name)) {
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| 39 | return;
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| 40 | }
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| 41 |
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| 42 | n = strdup(name);
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| 43 | n[strlen(n)-1] = 0;
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| 44 | if (asprintf(&s, "%s%s", n, finfo->name) < 0) {
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| 45 | free(n);
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| 46 | return;
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| 47 | }
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| 48 |
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| 49 | if (finfo->attrib & FILE_ATTRIBUTE_READONLY) {
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| 50 | if (NT_STATUS_IS_ERR(smbcli_setatr(dstate->tree, s, 0, 0))) {
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| 51 | DEBUG(2,("Failed to remove READONLY on %s - %s\n",
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| 52 | s, smbcli_errstr(dstate->tree)));
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| 53 | }
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| 54 | }
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| 55 |
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| 56 | if (finfo->attrib & FILE_ATTRIBUTE_DIRECTORY) {
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| 57 | char *s2;
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| 58 | if (asprintf(&s2, "%s\\*", s) < 0) {
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| 59 | free(s);
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| 60 | free(n);
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| 61 | return;
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| 62 | }
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| 63 | smbcli_unlink(dstate->tree, s2);
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| 64 | smbcli_list(dstate->tree, s2,
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| 65 | FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
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| 66 | delete_fn, state);
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| 67 | free(s2);
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| 68 | if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate->tree, s))) {
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| 69 | DEBUG(2,("Failed to delete %s - %s\n",
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| 70 | s, smbcli_errstr(dstate->tree)));
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| 71 | dstate->failed = true;
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| 72 | }
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| 73 | dstate->total_deleted++;
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| 74 | } else {
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| 75 | if (NT_STATUS_IS_ERR(smbcli_unlink(dstate->tree, s))) {
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| 76 | DEBUG(2,("Failed to delete %s - %s\n",
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| 77 | s, smbcli_errstr(dstate->tree)));
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| 78 | dstate->failed = true;
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| 79 | }
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| 80 | dstate->total_deleted++;
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| 81 | }
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| 82 | free(s);
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| 83 | free(n);
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| 84 | }
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| 85 |
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| 86 | /*
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| 87 | recursively descend a tree deleting all files
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| 88 | returns the number of files deleted, or -1 on error
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| 89 | */
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| 90 | int smbcli_deltree(struct smbcli_tree *tree, const char *dname)
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| 91 | {
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| 92 | char *mask;
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| 93 | struct delete_state dstate;
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| 94 | NTSTATUS status;
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| 95 |
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| 96 | dstate.tree = tree;
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| 97 | dstate.total_deleted = 0;
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| 98 | dstate.failed = false;
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| 99 |
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| 100 | /* it might be a file */
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| 101 | status = smbcli_unlink(tree, dname);
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| 102 | if (NT_STATUS_IS_OK(smbcli_unlink(tree, dname))) {
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| 103 | return 1;
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| 104 | }
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| 105 | if (NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
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| 106 | NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
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| 107 | NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_NO_SUCH_FILE) ||
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| 108 | NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_DOS(ERRDOS, ERRbadfile))) {
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| 109 | return 0;
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| 110 | }
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| 111 | if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
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| 112 | /* it could be read-only */
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| 113 | status = smbcli_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL, 0);
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| 114 | if (NT_STATUS_IS_OK(smbcli_unlink(tree, dname))) {
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| 115 | return 1;
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| 116 | }
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| 117 | }
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| 118 |
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| 119 | if (asprintf(&mask, "%s\\*", dname) < 0) {
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| 120 | return -1;
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| 121 | }
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| 122 | smbcli_unlink(dstate.tree, mask);
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| 123 | smbcli_list(dstate.tree, mask,
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| 124 | FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
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| 125 | delete_fn, &dstate);
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| 126 | free(mask);
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| 127 |
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| 128 | status = smbcli_rmdir(dstate.tree, dname);
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| 129 | if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
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| 130 | /* it could be read-only */
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| 131 | status = smbcli_setatr(dstate.tree, dname, FILE_ATTRIBUTE_NORMAL, 0);
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| 132 | status = smbcli_rmdir(dstate.tree, dname);
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| 133 | }
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| 134 | if (NT_STATUS_IS_ERR(status)) {
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| 135 | DEBUG(2,("Failed to delete %s - %s\n",
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| 136 | dname, smbcli_errstr(dstate.tree)));
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| 137 | return -1;
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| 138 | }
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| 139 | dstate.total_deleted++;
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| 140 |
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| 141 | if (dstate.failed) {
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| 142 | return -1;
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| 143 | }
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| 144 |
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| 145 | return dstate.total_deleted;
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| 146 | }
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