1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2018, 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.haxx.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 ***************************************************************************/
22 #include "tool_setup.h"
23
24 #include "strcase.h"
25
26 #define ENABLE_CURLX_PRINTF
27 /* use our own printf() functions */
28 #include "curlx.h"
29
30 #include "tool_cfgable.h"
31 #include "tool_convert.h"
32 #include "tool_doswin.h"
33 #include "tool_operhlp.h"
34 #include "tool_metalink.h"
35
36 #include "memdebug.h" /* keep this as LAST include */
37
clean_getout(struct OperationConfig * config)38 void clean_getout(struct OperationConfig *config)
39 {
40 struct getout *next;
41 struct getout *node = config->url_list;
42
43 while(node) {
44 next = node->next;
45 Curl_safefree(node->url);
46 Curl_safefree(node->outfile);
47 Curl_safefree(node->infile);
48 Curl_safefree(node);
49 node = next;
50 }
51 config->url_list = NULL;
52 }
53
output_expected(const char * url,const char * uploadfile)54 bool output_expected(const char *url, const char *uploadfile)
55 {
56 if(!uploadfile)
57 return TRUE; /* download */
58 if(checkprefix("http://", url) || checkprefix("https://", url))
59 return TRUE; /* HTTP(S) upload */
60
61 return FALSE; /* non-HTTP upload, probably no output should be expected */
62 }
63
stdin_upload(const char * uploadfile)64 bool stdin_upload(const char *uploadfile)
65 {
66 return (!strcmp(uploadfile, "-") ||
67 !strcmp(uploadfile, ".")) ? TRUE : FALSE;
68 }
69
70 /*
71 * Adds the file name to the URL if it doesn't already have one.
72 * url will be freed before return if the returned pointer is different
73 */
add_file_name_to_url(CURL * curl,char * url,const char * filename)74 char *add_file_name_to_url(CURL *curl, char *url, const char *filename)
75 {
76 /* If no file name part is given in the URL, we add this file name */
77 char *ptr = strstr(url, "://");
78 if(ptr)
79 ptr += 3;
80 else
81 ptr = url;
82 ptr = strrchr(ptr, '/');
83 if(!ptr || !strlen(++ptr)) {
84 /* The URL has no file name part, add the local file name. In order
85 to be able to do so, we have to create a new URL in another
86 buffer.*/
87
88 /* We only want the part of the local path that is on the right
89 side of the rightmost slash and backslash. */
90 const char *filep = strrchr(filename, '/');
91 char *file2 = strrchr(filep?filep:filename, '\\');
92 char *encfile;
93
94 if(file2)
95 filep = file2 + 1;
96 else if(filep)
97 filep++;
98 else
99 filep = filename;
100
101 /* URL encode the file name */
102 encfile = curl_easy_escape(curl, filep, 0 /* use strlen */);
103 if(encfile) {
104 char *urlbuffer;
105 if(ptr)
106 /* there is a trailing slash on the URL */
107 urlbuffer = aprintf("%s%s", url, encfile);
108 else
109 /* there is no trailing slash on the URL */
110 urlbuffer = aprintf("%s/%s", url, encfile);
111
112 curl_free(encfile);
113 Curl_safefree(url);
114
115 if(!urlbuffer)
116 return NULL;
117
118 url = urlbuffer; /* use our new URL instead! */
119 }
120 else
121 Curl_safefree(url);
122 }
123 return url;
124 }
125
126 /* Extracts the name portion of the URL.
127 * Returns a pointer to a heap-allocated string or NULL if
128 * no name part, at location indicated by first argument.
129 */
get_url_file_name(char ** filename,const char * url)130 CURLcode get_url_file_name(char **filename, const char *url)
131 {
132 const char *pc, *pc2;
133
134 *filename = NULL;
135
136 /* Find and get the remote file name */
137 pc = strstr(url, "://");
138 if(pc)
139 pc += 3;
140 else
141 pc = url;
142
143 pc2 = strrchr(pc, '\\');
144 pc = strrchr(pc, '/');
145 if(pc2 && (!pc || pc < pc2))
146 pc = pc2;
147
148 if(pc)
149 /* duplicate the string beyond the slash */
150 pc++;
151 else
152 /* no slash => empty string */
153 pc = "";
154
155 *filename = strdup(pc);
156 if(!*filename)
157 return CURLE_OUT_OF_MEMORY;
158
159 #if defined(MSDOS) || defined(WIN32)
160 {
161 char *sanitized;
162 SANITIZEcode sc = sanitize_file_name(&sanitized, *filename, 0);
163 Curl_safefree(*filename);
164 if(sc)
165 return CURLE_URL_MALFORMAT;
166 *filename = sanitized;
167 }
168 #endif /* MSDOS || WIN32 */
169
170 /* in case we built debug enabled, we allow an environment variable
171 * named CURL_TESTDIR to prefix the given file name to put it into a
172 * specific directory
173 */
174 #ifdef DEBUGBUILD
175 {
176 char *tdir = curlx_getenv("CURL_TESTDIR");
177 if(tdir) {
178 char buffer[512]; /* suitably large */
179 msnprintf(buffer, sizeof(buffer), "%s/%s", tdir, *filename);
180 Curl_safefree(*filename);
181 *filename = strdup(buffer); /* clone the buffer */
182 curl_free(tdir);
183 if(!*filename)
184 return CURLE_OUT_OF_MEMORY;
185 }
186 }
187 #endif
188
189 return CURLE_OK;
190 }
191