Annotation of embedaddon/curl/src/tool_operhlp.c, revision 1.1.1.1
1.1 misho 1: /***************************************************************************
2: * _ _ ____ _
3: * Project ___| | | | _ \| |
4: * / __| | | | |_) | |
5: * | (__| |_| | _ <| |___
6: * \___|\___/|_| \_\_____|
7: *
8: * Copyright (C) 1998 - 2020, 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:
38: void clean_getout(struct OperationConfig *config)
39: {
40: if(config) {
41: struct getout *next;
42: struct getout *node = config->url_list;
43:
44: while(node) {
45: next = node->next;
46: Curl_safefree(node->url);
47: Curl_safefree(node->outfile);
48: Curl_safefree(node->infile);
49: Curl_safefree(node);
50: node = next;
51: }
52: config->url_list = NULL;
53: }
54: }
55:
56: bool output_expected(const char *url, const char *uploadfile)
57: {
58: if(!uploadfile)
59: return TRUE; /* download */
60: if(checkprefix("http://", url) || checkprefix("https://", url))
61: return TRUE; /* HTTP(S) upload */
62:
63: return FALSE; /* non-HTTP upload, probably no output should be expected */
64: }
65:
66: bool stdin_upload(const char *uploadfile)
67: {
68: return (!strcmp(uploadfile, "-") ||
69: !strcmp(uploadfile, ".")) ? TRUE : FALSE;
70: }
71:
72: /*
73: * Adds the file name to the URL if it doesn't already have one.
74: * url will be freed before return if the returned pointer is different
75: */
76: char *add_file_name_to_url(char *url, const char *filename)
77: {
78: /* If no file name part is given in the URL, we add this file name */
79: char *ptr = strstr(url, "://");
80: CURL *curl = curl_easy_init(); /* for url escaping */
81: if(!curl)
82: return NULL; /* error! */
83: if(ptr)
84: ptr += 3;
85: else
86: ptr = url;
87: ptr = strrchr(ptr, '/');
88: if(!ptr || !*++ptr) {
89: /* The URL has no file name part, add the local file name. In order
90: to be able to do so, we have to create a new URL in another
91: buffer.*/
92:
93: /* We only want the part of the local path that is on the right
94: side of the rightmost slash and backslash. */
95: const char *filep = strrchr(filename, '/');
96: char *file2 = strrchr(filep?filep:filename, '\\');
97: char *encfile;
98:
99: if(file2)
100: filep = file2 + 1;
101: else if(filep)
102: filep++;
103: else
104: filep = filename;
105:
106: /* URL encode the file name */
107: encfile = curl_easy_escape(curl, filep, 0 /* use strlen */);
108: if(encfile) {
109: char *urlbuffer;
110: if(ptr)
111: /* there is a trailing slash on the URL */
112: urlbuffer = aprintf("%s%s", url, encfile);
113: else
114: /* there is no trailing slash on the URL */
115: urlbuffer = aprintf("%s/%s", url, encfile);
116:
117: curl_free(encfile);
118:
119: if(!urlbuffer) {
120: url = NULL;
121: goto end;
122: }
123:
124: Curl_safefree(url);
125: url = urlbuffer; /* use our new URL instead! */
126: }
127: }
128: end:
129: curl_easy_cleanup(curl);
130: return url;
131: }
132:
133: /* Extracts the name portion of the URL.
134: * Returns a pointer to a heap-allocated string or NULL if
135: * no name part, at location indicated by first argument.
136: */
137: CURLcode get_url_file_name(char **filename, const char *url)
138: {
139: const char *pc, *pc2;
140:
141: *filename = NULL;
142:
143: /* Find and get the remote file name */
144: pc = strstr(url, "://");
145: if(pc)
146: pc += 3;
147: else
148: pc = url;
149:
150: pc2 = strrchr(pc, '\\');
151: pc = strrchr(pc, '/');
152: if(pc2 && (!pc || pc < pc2))
153: pc = pc2;
154:
155: if(pc)
156: /* duplicate the string beyond the slash */
157: pc++;
158: else
159: /* no slash => empty string */
160: pc = "";
161:
162: *filename = strdup(pc);
163: if(!*filename)
164: return CURLE_OUT_OF_MEMORY;
165:
166: #if defined(MSDOS) || defined(WIN32)
167: {
168: char *sanitized;
169: SANITIZEcode sc = sanitize_file_name(&sanitized, *filename, 0);
170: Curl_safefree(*filename);
171: if(sc)
172: return CURLE_URL_MALFORMAT;
173: *filename = sanitized;
174: }
175: #endif /* MSDOS || WIN32 */
176:
177: /* in case we built debug enabled, we allow an environment variable
178: * named CURL_TESTDIR to prefix the given file name to put it into a
179: * specific directory
180: */
181: #ifdef DEBUGBUILD
182: {
183: char *tdir = curlx_getenv("CURL_TESTDIR");
184: if(tdir) {
185: char buffer[512]; /* suitably large */
186: msnprintf(buffer, sizeof(buffer), "%s/%s", tdir, *filename);
187: Curl_safefree(*filename);
188: *filename = strdup(buffer); /* clone the buffer */
189: curl_free(tdir);
190: if(!*filename)
191: return CURLE_OUT_OF_MEMORY;
192: }
193: }
194: #endif
195:
196: return CURLE_OK;
197: }
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