1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 #include "tool_setup.h"
25 #include "tool_operate.h"
26
27 #include "strcase.h"
28
29 #define ENABLE_CURLX_PRINTF
30 /* use our own printf() functions */
31 #include "curlx.h"
32
33 #include "tool_cfgable.h"
34 #include "tool_doswin.h"
35 #include "tool_operhlp.h"
36
37 #include "memdebug.h" /* keep this as LAST include */
38
clean_getout(struct OperationConfig * config)39 void clean_getout(struct OperationConfig *config)
40 {
41 if(config) {
42 struct getout *next;
43 struct getout *node = config->url_list;
44
45 while(node) {
46 next = node->next;
47 Curl_safefree(node->url);
48 Curl_safefree(node->outfile);
49 Curl_safefree(node->infile);
50 Curl_safefree(node);
51 node = next;
52 }
53 config->url_list = NULL;
54 }
55 single_transfer_cleanup(config);
56 }
57
output_expected(const char * url,const char * uploadfile)58 bool output_expected(const char *url, const char *uploadfile)
59 {
60 if(!uploadfile)
61 return TRUE; /* download */
62 if(checkprefix("http://", url) || checkprefix("https://", url))
63 return TRUE; /* HTTP(S) upload */
64
65 return FALSE; /* non-HTTP upload, probably no output should be expected */
66 }
67
stdin_upload(const char * uploadfile)68 bool stdin_upload(const char *uploadfile)
69 {
70 return (!strcmp(uploadfile, "-") ||
71 !strcmp(uploadfile, ".")) ? TRUE : FALSE;
72 }
73
74 /* Convert a CURLUcode into a CURLcode */
urlerr_cvt(CURLUcode ucode)75 CURLcode urlerr_cvt(CURLUcode ucode)
76 {
77 if(ucode == CURLUE_OUT_OF_MEMORY)
78 return CURLE_OUT_OF_MEMORY;
79 else if(ucode == CURLUE_UNSUPPORTED_SCHEME)
80 return CURLE_UNSUPPORTED_PROTOCOL;
81 else if(ucode == CURLUE_LACKS_IDN)
82 return CURLE_NOT_BUILT_IN;
83 else if(ucode == CURLUE_BAD_HANDLE)
84 return CURLE_BAD_FUNCTION_ARGUMENT;
85 return CURLE_URL_MALFORMAT;
86 }
87
88 /*
89 * Adds the file name to the URL if it doesn't already have one.
90 * url will be freed before return if the returned pointer is different
91 */
add_file_name_to_url(CURL * curl,char ** inurlp,const char * filename)92 CURLcode add_file_name_to_url(CURL *curl, char **inurlp, const char *filename)
93 {
94 CURLcode result = CURLE_URL_MALFORMAT;
95 CURLUcode uerr;
96 CURLU *uh = curl_url();
97 char *path = NULL;
98 if(uh) {
99 char *ptr;
100 uerr = curl_url_set(uh, CURLUPART_URL, *inurlp,
101 CURLU_GUESS_SCHEME|CURLU_NON_SUPPORT_SCHEME);
102 if(uerr) {
103 result = urlerr_cvt(uerr);
104 goto fail;
105 }
106 uerr = curl_url_get(uh, CURLUPART_PATH, &path, 0);
107 if(uerr) {
108 result = urlerr_cvt(uerr);
109 goto fail;
110 }
111
112 ptr = strrchr(path, '/');
113 if(!ptr || !*++ptr) {
114 /* The URL path has no file name part, add the local file name. In order
115 to be able to do so, we have to create a new URL in another buffer.*/
116
117 /* We only want the part of the local path that is on the right
118 side of the rightmost slash and backslash. */
119 const char *filep = strrchr(filename, '/');
120 char *file2 = strrchr(filep?filep:filename, '\\');
121 char *encfile;
122
123 if(file2)
124 filep = file2 + 1;
125 else if(filep)
126 filep++;
127 else
128 filep = filename;
129
130 /* URL encode the file name */
131 encfile = curl_easy_escape(curl, filep, 0 /* use strlen */);
132 if(encfile) {
133 char *newpath;
134 char *newurl;
135 if(ptr)
136 /* there is a trailing slash on the path */
137 newpath = aprintf("%s%s", path, encfile);
138 else
139 /* there is no trailing slash on the path */
140 newpath = aprintf("%s/%s", path, encfile);
141
142 curl_free(encfile);
143
144 if(!newpath)
145 goto fail;
146 uerr = curl_url_set(uh, CURLUPART_PATH, newpath, 0);
147 free(newpath);
148 if(uerr) {
149 result = urlerr_cvt(uerr);
150 goto fail;
151 }
152 uerr = curl_url_get(uh, CURLUPART_URL, &newurl, CURLU_DEFAULT_SCHEME);
153 if(uerr) {
154 result = urlerr_cvt(uerr);
155 goto fail;
156 }
157 free(*inurlp);
158 *inurlp = newurl;
159 result = CURLE_OK;
160 }
161 }
162 else
163 /* nothing to do */
164 result = CURLE_OK;
165 }
166 fail:
167 curl_url_cleanup(uh);
168 curl_free(path);
169 return result;
170 }
171
172 /* Extracts the name portion of the URL.
173 * Returns a pointer to a heap-allocated string or NULL if
174 * no name part, at location indicated by first argument.
175 */
get_url_file_name(char ** filename,const char * url)176 CURLcode get_url_file_name(char **filename, const char *url)
177 {
178 const char *pc, *pc2;
179 CURLU *uh = curl_url();
180 char *path = NULL;
181 CURLUcode uerr;
182
183 if(!uh)
184 return CURLE_OUT_OF_MEMORY;
185
186 *filename = NULL;
187
188 uerr = curl_url_set(uh, CURLUPART_URL, url, CURLU_GUESS_SCHEME);
189 if(!uerr) {
190 uerr = curl_url_get(uh, CURLUPART_PATH, &path, 0);
191 if(!uerr) {
192 curl_url_cleanup(uh);
193
194 pc = strrchr(path, '/');
195 pc2 = strrchr(pc ? pc + 1 : path, '\\');
196 if(pc2)
197 pc = pc2;
198
199 if(pc)
200 /* duplicate the string beyond the slash */
201 pc++;
202 else
203 /* no slash => empty string */
204 pc = "";
205
206 *filename = strdup(pc);
207 curl_free(path);
208 if(!*filename)
209 return CURLE_OUT_OF_MEMORY;
210
211 #if defined(MSDOS) || defined(WIN32)
212 {
213 char *sanitized;
214 SANITIZEcode sc = sanitize_file_name(&sanitized, *filename, 0);
215 Curl_safefree(*filename);
216 if(sc) {
217 if(sc == SANITIZE_ERR_OUT_OF_MEMORY)
218 return CURLE_OUT_OF_MEMORY;
219 return CURLE_URL_MALFORMAT;
220 }
221 *filename = sanitized;
222 }
223 #endif /* MSDOS || WIN32 */
224
225 /* in case we built debug enabled, we allow an environment variable
226 * named CURL_TESTDIR to prefix the given file name to put it into a
227 * specific directory
228 */
229 #ifdef DEBUGBUILD
230 {
231 char *tdir = curlx_getenv("CURL_TESTDIR");
232 if(tdir) {
233 char *alt = aprintf("%s/%s", tdir, *filename);
234 Curl_safefree(*filename);
235 *filename = alt;
236 curl_free(tdir);
237 if(!*filename)
238 return CURLE_OUT_OF_MEMORY;
239 }
240 }
241 #endif
242 return CURLE_OK;
243 }
244 }
245 curl_url_cleanup(uh);
246 return urlerr_cvt(uerr);
247 }
248