Annotation of embedaddon/curl/src/tool_operhlp.c, revision 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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