Tue, 31 Dec 2019 10:01:32 +0100
add backend chaining
217
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
1 | /* |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
3 | * |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
4 | * Copyright 2019 Olaf Wintermann. All rights reserved. |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
5 | * |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
6 | * Redistribution and use in source and binary forms, with or without |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
7 | * modification, are permitted provided that the following conditions are met: |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
8 | * |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
9 | * 1. Redistributions of source code must retain the above copyright |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
10 | * notice, this list of conditions and the following disclaimer. |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
11 | * |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
12 | * 2. Redistributions in binary form must reproduce the above copyright |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
13 | * notice, this list of conditions and the following disclaimer in the |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
14 | * documentation and/or other materials provided with the distribution. |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
15 | * |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
26 | * POSSIBILITY OF SUCH DAMAGE. |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
27 | */ |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
28 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
29 | #include <stdio.h> |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
30 | #include <stdlib.h> |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
31 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
32 | #include <ucx/list.h> |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
33 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
34 | #include "../daemon/session.h" |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
35 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
36 | #include "operation.h" |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
37 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
38 | #define WEBDAV_PATH_MAX 8192 |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
39 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
40 | WebdavOperation* webdav_operation_create( |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
41 | pool_handle_t *pool, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
42 | WebdavBackend *dav, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
43 | UcxList *requests, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
44 | WebdavResponse *response) |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
45 | { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
46 | WebdavOperation *op = pool_malloc(pool, sizeof(WebdavOperation)); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
47 | ZERO(op, sizeof(WebdavOperation)); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
48 | op->dav = dav; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
49 | op->requests = requests; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
50 | op->response = response; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
51 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
52 | response->op = op; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
53 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
54 | return op; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
55 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
56 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
57 | int webdav_op_propfind_begin( |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
58 | WebdavOperation *op, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
59 | const char *path, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
60 | VFS_DIR parent, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
61 | struct stat *s) |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
62 | { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
63 | // create WebdavResource object for requested resource |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
64 | WebdavResource *resource = op->response->addresource(op->response, path); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
65 | if(!resource) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
66 | return REQ_ABORTED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
67 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
68 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
69 | // store data that we need when the resource will be closed |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
70 | op->stat = s; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
71 | op->parent = parent; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
72 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
73 | // get first propfind object |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
74 | WebdavPropfindRequest *propfind = op->requests->data; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
75 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
76 | // execute propfind_do of the first backend for the first resource |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
77 | if(op->dav->propfind_do(propfind, op->response, NULL, resource, s)) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
78 | return REQ_ABORTED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
79 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
80 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
81 | return REQ_PROCEED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
82 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
83 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
84 | int webdav_op_propfind_children( |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
85 | WebdavOperation *op, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
86 | VFSContext *vfs, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
87 | char *path) |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
88 | { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
89 | WebdavResponse *response = op->response; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
90 | WebdavPropfindRequest *request = op->requests->data; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
91 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
92 | UcxAllocator *a = session_get_allocator(request->sn); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
93 | pool_handle_t *pool = request->sn->pool; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
94 | UcxList *stack = ucx_list_prepend_a(a, NULL, path); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
95 | UcxList *stack_end = stack; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
96 | if(!stack) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
97 | return 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
98 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
99 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
100 | // reusable buffer for full child path |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
101 | char *newpath = NULL; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
102 | size_t newpathlen = 0; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
103 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
104 | int err = 0; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
105 | while(stack && !err) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
106 | char *cur_path = stack->data; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
107 | size_t parent_len = strlen(cur_path); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
108 | if(parent_len > WEBDAV_PATH_MAX) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
109 | log_ereport(LOG_FAILURE, "webdav: maximal path length exceeded"); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
110 | err = 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
111 | break; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
112 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
113 | if(cur_path[parent_len-1] == '/') { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
114 | parent_len--; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
115 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
116 | size_t max_child_len = WEBDAV_PATH_MAX - parent_len; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
117 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
118 | // when newpath is initialized with the parent path |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
119 | // set path_buf_init to TRUE |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
120 | WSBool path_buf_init = FALSE; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
121 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
122 | VFS_DIR dir = vfs_opendir(vfs, path); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
123 | if(!dir) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
124 | log_ereport( |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
125 | LOG_FAILURE, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
126 | "webdav: propfind: cannot open directory %d", |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
127 | vfs->vfs_errno); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
128 | err = 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
129 | break; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
130 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
131 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
132 | VFS_ENTRY f; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
133 | while(vfs_readdir_stat(dir, &f)) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
134 | if(f.stat_errno != 0) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
135 | continue; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
136 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
137 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
138 | size_t child_len = strlen(f.name); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
139 | if(child_len > max_child_len) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
140 | log_ereport(LOG_FAILURE, "webdav: maximal path length exceeded"); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
141 | err = 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
142 | break; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
143 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
144 | size_t childpathlen = parent_len + child_len + 1; // +1 '/' |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
145 | if(childpathlen > newpathlen) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
146 | // we're gonna need a bigger boa^H^H^Hbuffer |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
147 | if(newpath) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
148 | pool_free(pool, newpath); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
149 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
150 | newpath = pool_malloc(pool, childpathlen + 1); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
151 | if(!newpath) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
152 | err = 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
153 | break; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
154 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
155 | newpathlen = childpathlen; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
156 | path_buf_init = FALSE; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
157 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
158 | // create full path string for this child |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
159 | if(!path_buf_init) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
160 | memcpy(newpath, cur_path, parent_len); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
161 | newpath[parent_len] = '/'; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
162 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
163 | memcpy(newpath+parent_len+1, f.name, child_len); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
164 | newpath[childpathlen] = 0; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
165 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
166 | // propfind for this child |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
167 | if(webdav_op_propfind_begin(op, newpath, dir, &f.stat)) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
168 | err = 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
169 | break; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
170 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
171 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
172 | // depth of -1 means infinity |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
173 | if(request->depth == -1 && S_ISDIR(f.stat.st_mode)) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
174 | char *pathcp = pool_malloc(pool, childpathlen + 1); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
175 | memcpy(pathcp, newpath, childpathlen + 1); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
176 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
177 | // add the newpath copy to the stack |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
178 | // stack_end is always not NULL here, because we remove |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
179 | // the first stack element at the end of the loop |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
180 | UcxList *newlistelm = ucx_list_append_a(a, stack_end, pathcp); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
181 | if(!newlistelm) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
182 | err = 1; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
183 | break; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
184 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
185 | stack_end = newlistelm; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
186 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
187 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
188 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
189 | vfs_closedir(dir); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
190 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
191 | if(cur_path != path) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
192 | pool_free(pool, cur_path); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
193 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
194 | stack = ucx_list_remove_a(a, stack, stack); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
195 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
196 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
197 | // in case of an error, we have to free all remaining stack elements |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
198 | UCX_FOREACH(elm, stack) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
199 | char *data = elm->data; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
200 | if(data != path) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
201 | pool_free(pool, data); |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
202 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
203 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
204 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
205 | return err; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
206 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
207 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
208 | int webdav_op_propfiond_close_resource( |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
209 | WebdavOperation *op, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
210 | WebdavResource *resource) |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
211 | { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
212 | // start with second backend and request, because |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
213 | // the first one was already called by webdav_op_propfind_begin |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
214 | WebdavBackend *dav = op->dav->next; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
215 | UcxList *request = op->requests->next; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
216 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
217 | // call propfind_do of all remaining backends |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
218 | int ret = REQ_PROCEED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
219 | while(dav && request) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
220 | if(dav->propfind_do( |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
221 | request->data, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
222 | op->response, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
223 | op->parent, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
224 | resource, |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
225 | op->stat)) |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
226 | { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
227 | ret = REQ_ABORTED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
228 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
229 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
230 | dav = dav->next; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
231 | request = request->next; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
232 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
233 | return ret; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
234 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
235 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
236 | /* |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
237 | * Executes propfind_finish for each Backend |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
238 | */ |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
239 | int webdav_op_propfind_finish(WebdavOperation *op) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
240 | WebdavBackend *dav = op->dav; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
241 | UcxList *requests = op->requests; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
242 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
243 | int ret = REQ_PROCEED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
244 | while(dav && requests) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
245 | if(dav->propfind_finish(requests->data)) { |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
246 | ret = REQ_ABORTED; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
247 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
248 | |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
249 | dav = dav->next; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
250 | requests = requests->next; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
251 | } |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
252 | return ret; |
8ed14d76db42
add backend chaining
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff
changeset
|
253 | } |