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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "tool_setup.h"
#include "tool_operate.h"
#include "tool_cfgable.h"
#include "tool_doswin.h"
#include "tool_operhlp.h"
#include "tool_msgs.h"
#include "memdebug.h" /* keep this as LAST include */
void clean_getout(struct OperationConfig *config)
{
if(config) {
struct getout *next;
struct getout *node = config->url_list;
while(node) {
next = node->next;
tool_safefree(node->url);
tool_safefree(node->outfile);
tool_safefree(node->infile);
tool_safefree(node);
node = next;
}
config->url_list = NULL;
single_transfer_cleanup();
}
}
bool output_expected(const char *url, const char *uploadfile)
{
if(!uploadfile)
return TRUE; /* download */
if(checkprefix("http://", url) || checkprefix("https://", url))
return TRUE; /* HTTP(S) upload */
return FALSE; /* non-HTTP upload, probably no output should be expected */
}
bool stdin_upload(const char *uploadfile)
{
return !strcmp(uploadfile, "-") || !strcmp(uploadfile, ".");
}
/* Convert a CURLUcode into a CURLcode */
CURLcode urlerr_cvt(CURLUcode ucode)
{
if(ucode == CURLUE_OUT_OF_MEMORY)
return CURLE_OUT_OF_MEMORY;
else if(ucode == CURLUE_UNSUPPORTED_SCHEME)
return CURLE_UNSUPPORTED_PROTOCOL;
else if(ucode == CURLUE_LACKS_IDN)
return CURLE_NOT_BUILT_IN;
else if(ucode == CURLUE_BAD_HANDLE)
return CURLE_BAD_FUNCTION_ARGUMENT;
return CURLE_URL_MALFORMAT;
}
/*
* Adds the filename to the URL if it does not already have one.
* url will be freed before return if the returned pointer is different
*/
CURLcode add_file_name_to_url(CURL *curl, char **inurlp, const char *filename)
{
CURLcode result = CURLE_URL_MALFORMAT;
CURLUcode uerr;
CURLU *uh = curl_url();
char *path = NULL;
char *query = NULL;
if(uh) {
char *ptr;
uerr = curl_url_set(uh, CURLUPART_URL, *inurlp,
CURLU_GUESS_SCHEME|CURLU_NON_SUPPORT_SCHEME);
if(uerr) {
result = urlerr_cvt(uerr);
goto fail;
}
uerr = curl_url_get(uh, CURLUPART_PATH, &path, 0);
if(uerr) {
result = urlerr_cvt(uerr);
goto fail;
}
uerr = curl_url_get(uh, CURLUPART_QUERY, &query, 0);
if(!uerr && query) {
curl_free(query);
curl_free(path);
curl_url_cleanup(uh);
return CURLE_OK;
}
ptr = strrchr(path, '/');
if(!ptr || !*++ptr) {
/* The URL path has no filename part, add the local filename. In order
to be able to do so, we have to create a new URL in another buffer.*/
/* We only want the part of the local path that is on the right
side of the rightmost slash and backslash. */
const char *filep = strrchr(filename, '/');
char *file2 = strrchr(filep ? filep : filename, '\\');
char *encfile;
if(file2)
filep = file2 + 1;
else if(filep)
filep++;
else
filep = filename;
/* URL encode the filename */
encfile = curl_easy_escape(curl, filep, 0 /* use strlen */);
if(encfile) {
char *newpath;
char *newurl;
if(ptr)
/* there is a trailing slash on the path */
newpath = curl_maprintf("%s%s", path, encfile);
else
/* there is no trailing slash on the path */
newpath = curl_maprintf("%s/%s", path, encfile);
curl_free(encfile);
if(!newpath)
goto fail;
uerr = curl_url_set(uh, CURLUPART_PATH, newpath, 0);
free(newpath);
if(uerr) {
result = urlerr_cvt(uerr);
goto fail;
}
uerr = curl_url_get(uh, CURLUPART_URL, &newurl, CURLU_DEFAULT_SCHEME);
if(uerr) {
result = urlerr_cvt(uerr);
goto fail;
}
free(*inurlp);
*inurlp = newurl;
result = CURLE_OK;
}
}
else
/* nothing to do */
result = CURLE_OK;
}
fail:
curl_url_cleanup(uh);
curl_free(path);
return result;
}
/* Extracts the name portion of the URL.
* Returns a pointer to a heap-allocated string or NULL if
* no name part, at location indicated by first argument.
*/
CURLcode get_url_file_name(char **filename, const char *url)
{
CURLU *uh = curl_url();
char *path = NULL;
CURLUcode uerr;
if(!uh)
return CURLE_OUT_OF_MEMORY;
*filename = NULL;
uerr = curl_url_set(uh, CURLUPART_URL, url, CURLU_GUESS_SCHEME);
if(!uerr) {
uerr = curl_url_get(uh, CURLUPART_PATH, &path, 0);
curl_url_cleanup(uh);
uh = NULL;
if(!uerr) {
int i;
char *pc = NULL, *pc2 = NULL;
for(i = 0; i < 2; i++) {
pc = strrchr(path, '/');
pc2 = strrchr(pc ? pc + 1 : path, '\\');
if(pc2)
pc = pc2;
if(pc && !pc[1] && !i) {
/* if the path ends with slash, try removing the trailing one
and get the last directory part */
*pc = 0;
}
}
if(pc) {
/* duplicate the string beyond the slash */
*filename = strdup(pc + 1);
}
else {
/* no slash => empty string, use default */
*filename = strdup("curl_response");
warnf("No remote file name, uses \"%s\"", *filename);
}
curl_free(path);
if(!*filename)
return CURLE_OUT_OF_MEMORY;
#if defined(_WIN32) || defined(MSDOS)
{
char *sanitized;
SANITIZEcode sc = sanitize_file_name(&sanitized, *filename, 0);
tool_safefree(*filename);
if(sc) {
if(sc == SANITIZE_ERR_OUT_OF_MEMORY)
return CURLE_OUT_OF_MEMORY;
return CURLE_URL_MALFORMAT;
}
*filename = sanitized;
}
#endif /* _WIN32 || MSDOS */
return CURLE_OK;
}
}
curl_url_cleanup(uh);
return urlerr_cvt(uerr);
}