mirror of
https://github.com/moparisthebest/curl
synced 2024-12-23 00:28:48 -05:00
7f963a19ec
The list of unsafe functions currently consists of sprintf, vsprintf, strcat, strncat and gets. Subsequently, some existing code needed updating to avoid warnings on this.
148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "tool_setup.h"
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#include <sys/stat.h>
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#ifdef WIN32
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# include <direct.h>
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#endif
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#define ENABLE_CURLX_PRINTF
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/* use our own printf() functions */
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#include "curlx.h"
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#include "tool_dirhie.h"
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#include "memdebug.h" /* keep this as LAST include */
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#ifdef NETWARE
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# ifndef __NOVELL_LIBC__
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# define mkdir mkdir_510
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# endif
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#endif
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#ifdef WIN32
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# define mkdir(x,y) (mkdir)((x))
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# ifndef __POCC__
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# define F_OK 0
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# endif
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#endif
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static void show_dir_errno(FILE *errors, const char *name)
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{
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switch(ERRNO) {
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#ifdef EACCES
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case EACCES:
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fprintf(errors, "You don't have permission to create %s.\n", name);
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break;
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#endif
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#ifdef ENAMETOOLONG
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case ENAMETOOLONG:
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fprintf(errors, "The directory name %s is too long.\n", name);
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break;
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#endif
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#ifdef EROFS
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case EROFS:
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fprintf(errors, "%s resides on a read-only file system.\n", name);
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break;
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#endif
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#ifdef ENOSPC
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case ENOSPC:
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fprintf(errors, "No space left on the file system that will "
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"contain the directory %s.\n", name);
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break;
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#endif
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#ifdef EDQUOT
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case EDQUOT:
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fprintf(errors, "Cannot create directory %s because you "
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"exceeded your quota.\n", name);
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break;
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#endif
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default :
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fprintf(errors, "Error creating directory %s.\n", name);
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break;
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}
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}
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/*
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* Create the needed directory hierarchy recursively in order to save
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* multi-GETs in file output, ie:
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* curl "http://my.site/dir[1-5]/file[1-5].txt" -o "dir#1/file#2.txt"
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* should create all the dir* automagically
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*/
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CURLcode create_dir_hierarchy(const char *outfile, FILE *errors)
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{
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char *tempdir;
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char *tempdir2;
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char *outdup;
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char *dirbuildup;
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CURLcode result = CURLE_OK;
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size_t outlen;
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outlen = strlen(outfile);
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outdup = strdup(outfile);
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if(!outdup)
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return CURLE_OUT_OF_MEMORY;
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dirbuildup = malloc(outlen + 1);
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if(!dirbuildup) {
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Curl_safefree(outdup);
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return CURLE_OUT_OF_MEMORY;
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}
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dirbuildup[0] = '\0';
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tempdir = strtok(outdup, DIR_CHAR);
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while(tempdir != NULL) {
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tempdir2 = strtok(NULL, DIR_CHAR);
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/* since strtok returns a token for the last word even
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if not ending with DIR_CHAR, we need to prune it */
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if(tempdir2 != NULL) {
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size_t dlen = strlen(dirbuildup);
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if(dlen)
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snprintf(&dirbuildup[dlen], outlen - dlen, "%s%s", DIR_CHAR, tempdir);
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else {
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if(0 != strncmp(outdup, DIR_CHAR, 1))
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strcpy(dirbuildup, tempdir);
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else
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snprintf(dirbuildup, outlen, "%s%s", DIR_CHAR, tempdir);
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}
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if(access(dirbuildup, F_OK) == -1) {
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if(-1 == mkdir(dirbuildup,(mode_t)0000750)) {
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show_dir_errno(errors, dirbuildup);
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result = CURLE_WRITE_ERROR;
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break; /* get out of loop */
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}
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}
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}
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tempdir = tempdir2;
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}
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Curl_safefree(dirbuildup);
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Curl_safefree(outdup);
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return result;
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}
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