xref: /aosp_15_r20/external/cronet/third_party/apache-portable-runtime/src/file_io/os2/filestat.c (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements.  See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License.  You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define INCL_DOS
18 #define INCL_DOSERRORS
19 #include "apr_arch_file_io.h"
20 #include "apr_file_io.h"
21 #include "apr_lib.h"
22 #include <sys/time.h>
23 #include "apr_strings.h"
24 
25 
FS3_to_finfo(apr_finfo_t * finfo,FILESTATUS3 * fstatus)26 static void FS3_to_finfo(apr_finfo_t *finfo, FILESTATUS3 *fstatus)
27 {
28     finfo->protection = (fstatus->attrFile & FILE_READONLY) ? 0x555 : 0x777;
29 
30     if (fstatus->attrFile & FILE_DIRECTORY)
31         finfo->filetype = APR_DIR;
32     else
33         finfo->filetype = APR_REG;
34     /* XXX: No other possible types from FS3? */
35 
36     finfo->user = 0;
37     finfo->group = 0;
38     finfo->inode = 0;
39     finfo->device = 0;
40     finfo->size = fstatus->cbFile;
41     finfo->csize = fstatus->cbFileAlloc;
42     apr_os2_time_to_apr_time(&finfo->atime, fstatus->fdateLastAccess,
43                              fstatus->ftimeLastAccess );
44     apr_os2_time_to_apr_time(&finfo->mtime, fstatus->fdateLastWrite,
45                              fstatus->ftimeLastWrite );
46     apr_os2_time_to_apr_time(&finfo->ctime, fstatus->fdateCreation,
47                              fstatus->ftimeCreation );
48     finfo->valid = APR_FINFO_TYPE | APR_FINFO_PROT | APR_FINFO_SIZE
49                  | APR_FINFO_CSIZE | APR_FINFO_MTIME
50                  | APR_FINFO_CTIME | APR_FINFO_ATIME | APR_FINFO_LINK;
51 }
52 
53 
54 
handle_type(apr_filetype_e * ftype,HFILE file)55 static apr_status_t handle_type(apr_filetype_e *ftype, HFILE file)
56 {
57     ULONG filetype, fileattr, rc;
58 
59     rc = DosQueryHType(file, &filetype, &fileattr);
60 
61     if (rc == 0) {
62         switch (filetype & 0xff) {
63         case 0:
64             *ftype = APR_REG;
65             break;
66 
67         case 1:
68             *ftype = APR_CHR;
69             break;
70 
71         case 2:
72             *ftype = APR_PIPE;
73             break;
74 
75         default:
76             /* Brian, is this correct???
77              */
78             *ftype = APR_UNKFILE;
79             break;
80         }
81 
82         return APR_SUCCESS;
83     }
84     return APR_FROM_OS_ERROR(rc);
85 }
86 
87 
88 
apr_file_info_get(apr_finfo_t * finfo,apr_int32_t wanted,apr_file_t * thefile)89 APR_DECLARE(apr_status_t) apr_file_info_get(apr_finfo_t *finfo, apr_int32_t wanted,
90                                    apr_file_t *thefile)
91 {
92     ULONG rc;
93     FILESTATUS3 fstatus;
94 
95     if (thefile->isopen) {
96         if (thefile->buffered) {
97             /* XXX: flush here is not mutex protected */
98             apr_status_t rv = apr_file_flush(thefile);
99 
100             if (rv != APR_SUCCESS) {
101                 return rv;
102             }
103         }
104 
105         rc = DosQueryFileInfo(thefile->filedes, FIL_STANDARD, &fstatus, sizeof(fstatus));
106     }
107     else
108         rc = DosQueryPathInfo(thefile->fname, FIL_STANDARD, &fstatus, sizeof(fstatus));
109 
110     if (rc == 0) {
111         FS3_to_finfo(finfo, &fstatus);
112         finfo->fname = thefile->fname;
113 
114         if (finfo->filetype == APR_REG) {
115             if (thefile->isopen) {
116                 return handle_type(&finfo->filetype, thefile->filedes);
117             }
118         } else {
119             return APR_SUCCESS;
120         }
121     }
122 
123     finfo->protection = 0;
124     finfo->filetype = APR_NOFILE;
125     return APR_FROM_OS_ERROR(rc);
126 }
127 
apr_file_perms_set(const char * fname,apr_fileperms_t perms)128 APR_DECLARE(apr_status_t) apr_file_perms_set(const char *fname, apr_fileperms_t perms)
129 {
130     return APR_ENOTIMPL;
131 }
132 
133 
apr_stat(apr_finfo_t * finfo,const char * fname,apr_int32_t wanted,apr_pool_t * cont)134 APR_DECLARE(apr_status_t) apr_stat(apr_finfo_t *finfo, const char *fname,
135                               apr_int32_t wanted, apr_pool_t *cont)
136 {
137     ULONG rc;
138     FILESTATUS3 fstatus;
139 
140     finfo->protection = 0;
141     finfo->filetype = APR_NOFILE;
142     finfo->name = NULL;
143     rc = DosQueryPathInfo(fname, FIL_STANDARD, &fstatus, sizeof(fstatus));
144 
145     if (rc == 0) {
146         FS3_to_finfo(finfo, &fstatus);
147         finfo->fname = fname;
148 
149         if (wanted & APR_FINFO_NAME) {
150             ULONG count = 1;
151             HDIR hDir = HDIR_SYSTEM;
152             FILEFINDBUF3 ffb;
153             rc = DosFindFirst(fname, &hDir,
154                               FILE_DIRECTORY|FILE_HIDDEN|FILE_SYSTEM|FILE_ARCHIVED,
155                               &ffb, sizeof(ffb), &count, FIL_STANDARD);
156             if (rc == 0 && count == 1) {
157                 finfo->name = apr_pstrdup(cont, ffb.achName);
158                 finfo->valid |= APR_FINFO_NAME;
159             }
160         }
161     } else if (rc == ERROR_INVALID_ACCESS) {
162         memset(finfo, 0, sizeof(apr_finfo_t));
163         finfo->valid = APR_FINFO_TYPE | APR_FINFO_PROT;
164         finfo->protection = 0666;
165         finfo->filetype = APR_CHR;
166 
167         if (wanted & APR_FINFO_NAME) {
168             finfo->name = apr_pstrdup(cont, fname);
169             finfo->valid |= APR_FINFO_NAME;
170         }
171     } else {
172         return APR_FROM_OS_ERROR(rc);
173     }
174 
175     return (wanted & ~finfo->valid) ? APR_INCOMPLETE : APR_SUCCESS;
176 }
177 
178 
179 
apr_file_attrs_set(const char * fname,apr_fileattrs_t attributes,apr_fileattrs_t attr_mask,apr_pool_t * cont)180 APR_DECLARE(apr_status_t) apr_file_attrs_set(const char *fname,
181                                              apr_fileattrs_t attributes,
182                                              apr_fileattrs_t attr_mask,
183                                              apr_pool_t *cont)
184 {
185     FILESTATUS3 fs3;
186     ULONG rc;
187 
188     /* Don't do anything if we can't handle the requested attributes */
189     if (!(attr_mask & (APR_FILE_ATTR_READONLY
190                        | APR_FILE_ATTR_HIDDEN)))
191         return APR_SUCCESS;
192 
193     rc = DosQueryPathInfo(fname, FIL_STANDARD, &fs3, sizeof(fs3));
194     if (rc == 0) {
195         ULONG old_attr = fs3.attrFile;
196 
197         if (attr_mask & APR_FILE_ATTR_READONLY)
198         {
199             if (attributes & APR_FILE_ATTR_READONLY) {
200                 fs3.attrFile |= FILE_READONLY;
201             } else {
202                 fs3.attrFile &= ~FILE_READONLY;
203             }
204         }
205 
206         if (attr_mask & APR_FILE_ATTR_HIDDEN)
207         {
208             if (attributes & APR_FILE_ATTR_HIDDEN) {
209                 fs3.attrFile |= FILE_HIDDEN;
210             } else {
211                 fs3.attrFile &= ~FILE_HIDDEN;
212             }
213         }
214 
215         if (fs3.attrFile != old_attr) {
216             rc = DosSetPathInfo(fname, FIL_STANDARD, &fs3, sizeof(fs3), 0);
217         }
218     }
219 
220     return APR_FROM_OS_ERROR(rc);
221 }
222 
223 
224 /* ### Somebody please write this! */
apr_file_mtime_set(const char * fname,apr_time_t mtime,apr_pool_t * pool)225 APR_DECLARE(apr_status_t) apr_file_mtime_set(const char *fname,
226                                               apr_time_t mtime,
227                                               apr_pool_t *pool)
228 {
229     FILESTATUS3 fs3;
230     ULONG rc;
231     rc = DosQueryPathInfo(fname, FIL_STANDARD, &fs3, sizeof(fs3));
232 
233     if (rc) {
234         return APR_FROM_OS_ERROR(rc);
235     }
236 
237     apr_apr_time_to_os2_time(&fs3.fdateLastWrite, &fs3.ftimeLastWrite, mtime);
238 
239     rc = DosSetPathInfo(fname, FIL_STANDARD, &fs3, sizeof(fs3), 0);
240     return APR_FROM_OS_ERROR(rc);
241 }
242