1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "tool_setup.h"
#include <sys/stat.h>
#ifdef WIN32
# include <direct.h>
#endif
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_dirhie.h"
#include "memdebug.h" /* keep this as LAST include */
#ifdef NETWARE
# ifndef __NOVELL_LIBC__
# define mkdir mkdir_510
# endif
#endif
#if defined(WIN32) || (defined(MSDOS) && !defined(__DJGPP__))
# define mkdir(x,y) (mkdir)((x))
# ifndef F_OK
# define F_OK 0
# endif
#endif
static void show_dir_errno(FILE *errors, const char *name)
{
switch(errno) {
#ifdef EACCES
case EACCES:
fprintf(errors, "You don't have permission to create %s.\n", name);
break;
#endif
#ifdef ENAMETOOLONG
case ENAMETOOLONG:
fprintf(errors, "The directory name %s is too long.\n", name);
break;
#endif
#ifdef EROFS
case EROFS:
fprintf(errors, "%s resides on a read-only file system.\n", name);
break;
#endif
#ifdef ENOSPC
case ENOSPC:
fprintf(errors, "No space left on the file system that will "
"contain the directory %s.\n", name);
break;
#endif
#ifdef EDQUOT
case EDQUOT:
fprintf(errors, "Cannot create directory %s because you "
"exceeded your quota.\n", name);
break;
#endif
default :
fprintf(errors, "Error creating directory %s.\n", name);
break;
}
}
/*
* Create the needed directory hierarchy recursively in order to save
* multi-GETs in file output, ie:
* curl "http://my.site/dir[1-5]/file[1-5].txt" -o "dir#1/file#2.txt"
* should create all the dir* automagically
*/
#if defined(WIN32) || defined(__DJGPP__)
/* systems that may use either or when specifying a path */
#define PATH_DELIMITERS "\\/"
#else
#define PATH_DELIMITERS DIR_CHAR
#endif
CURLcode create_dir_hierarchy(const char *outfile, FILE *errors)
{
char *tempdir;
char *tempdir2;
char *outdup;
char *dirbuildup;
CURLcode result = CURLE_OK;
size_t outlen;
outlen = strlen(outfile);
outdup = strdup(outfile);
if(!outdup)
return CURLE_OUT_OF_MEMORY;
dirbuildup = malloc(outlen + 1);
if(!dirbuildup) {
Curl_safefree(outdup);
return CURLE_OUT_OF_MEMORY;
}
dirbuildup[0] = '\0';
/* Allow strtok() here since this isn't used threaded */
/* !checksrc! disable BANNEDFUNC 2 */
tempdir = strtok(outdup, PATH_DELIMITERS);
while(tempdir != NULL) {
bool skip = false;
tempdir2 = strtok(NULL, PATH_DELIMITERS);
/* since strtok returns a token for the last word even
if not ending with DIR_CHAR, we need to prune it */
if(tempdir2 != NULL) {
size_t dlen = strlen(dirbuildup);
if(dlen)
msnprintf(&dirbuildup[dlen], outlen - dlen, "%s%s", DIR_CHAR, tempdir);
else {
if(outdup == tempdir) {
#if defined(MSDOS) || defined(WIN32)
/* Skip creating a drive's current directory.
It may seem as though that would harmlessly fail but it could be
a corner case if X: did not exist, since we would be creating it
erroneously.
eg if outfile is X:\foo\bar\filename then don't mkdir X:
This logic takes into account unsupported drives !:, 1:, etc. */
char *p = strchr(tempdir, ':');
if(p && !p[1])
skip = true;
#endif
/* the output string doesn't start with a separator */
strcpy(dirbuildup, tempdir);
}
else
msnprintf(dirbuildup, outlen, "%s%s", DIR_CHAR, tempdir);
}
/* Create directory. Ignore access denied error to allow traversal. */
if(!skip && (-1 == mkdir(dirbuildup, (mode_t)0000750)) &&
(errno != EACCES) && (errno != EEXIST)) {
show_dir_errno(errors, dirbuildup);
result = CURLE_WRITE_ERROR;
break; /* get out of loop */
}
}
tempdir = tempdir2;
}
Curl_safefree(dirbuildup);
Curl_safefree(outdup);
return result;
}
|
