[337] | 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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| 9 | *
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| 10 | * This software is licensed as described in the file COPYING, which
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| 11 | * you should have received as part of this distribution. The terms
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| 12 | * are also available at https://curl.haxx.se/docs/copyright.html.
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| 13 | *
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| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | * copies of the Software, and permit persons to whom the Software is
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| 16 | * furnished to do so, under the terms of the COPYING file.
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| 17 | *
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| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | * KIND, either express or implied.
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| 20 | *
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| 21 | ***************************************************************************/
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| 22 | #include "tool_setup.h"
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| 23 |
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| 24 | #include <sys/stat.h>
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| 25 |
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| 26 | #ifdef WIN32
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| 27 | # include <direct.h>
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| 28 | #endif
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| 29 |
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| 30 | #define ENABLE_CURLX_PRINTF
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| 31 | /* use our own printf() functions */
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| 32 | #include "curlx.h"
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| 33 |
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| 34 | #include "tool_dirhie.h"
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| 35 |
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| 36 | #include "memdebug.h" /* keep this as LAST include */
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| 37 |
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| 38 | #ifdef NETWARE
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| 39 | # ifndef __NOVELL_LIBC__
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| 40 | # define mkdir mkdir_510
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| 41 | # endif
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| 42 | #endif
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| 43 |
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| 44 | #ifdef WIN32
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| 45 | # define mkdir(x,y) (mkdir)((x))
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| 46 | # ifndef __POCC__
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| 47 | # define F_OK 0
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| 48 | # endif
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| 49 | #endif
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| 50 |
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| 51 | static void show_dir_errno(FILE *errors, const char *name)
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| 52 | {
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| 53 | switch(errno) {
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| 54 | #ifdef EACCES
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| 55 | case EACCES:
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| 56 | fprintf(errors, "You don't have permission to create %s.\n", name);
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| 57 | break;
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| 58 | #endif
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| 59 | #ifdef ENAMETOOLONG
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| 60 | case ENAMETOOLONG:
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| 61 | fprintf(errors, "The directory name %s is too long.\n", name);
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| 62 | break;
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| 63 | #endif
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| 64 | #ifdef EROFS
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| 65 | case EROFS:
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| 66 | fprintf(errors, "%s resides on a read-only file system.\n", name);
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| 67 | break;
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| 68 | #endif
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| 69 | #ifdef ENOSPC
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| 70 | case ENOSPC:
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| 71 | fprintf(errors, "No space left on the file system that will "
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| 72 | "contain the directory %s.\n", name);
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| 73 | break;
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| 74 | #endif
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| 75 | #ifdef EDQUOT
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| 76 | case EDQUOT:
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| 77 | fprintf(errors, "Cannot create directory %s because you "
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| 78 | "exceeded your quota.\n", name);
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| 79 | break;
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| 80 | #endif
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| 81 | default :
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| 82 | fprintf(errors, "Error creating directory %s.\n", name);
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| 83 | break;
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | /*
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| 88 | * Create the needed directory hierarchy recursively in order to save
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| 89 | * multi-GETs in file output, ie:
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| 90 | * curl "http://my.site/dir[1-5]/file[1-5].txt" -o "dir#1/file#2.txt"
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| 91 | * should create all the dir* automagically
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| 92 | */
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| 93 |
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| 94 | #ifdef WIN32
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| 95 | /* systems that may use either or when specifying a path */
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| 96 | #define PATH_DELIMITERS "\\/"
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| 97 | #else
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| 98 | #define PATH_DELIMITERS DIR_CHAR
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| 99 | #endif
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| 100 |
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| 101 |
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| 102 | CURLcode create_dir_hierarchy(const char *outfile, FILE *errors)
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| 103 | {
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| 104 | char *tempdir;
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| 105 | char *tempdir2;
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| 106 | char *outdup;
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| 107 | char *dirbuildup;
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| 108 | CURLcode result = CURLE_OK;
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| 109 | size_t outlen;
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| 110 |
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| 111 | outlen = strlen(outfile);
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| 112 | outdup = strdup(outfile);
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| 113 | if(!outdup)
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| 114 | return CURLE_OUT_OF_MEMORY;
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| 115 |
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| 116 | dirbuildup = malloc(outlen + 1);
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| 117 | if(!dirbuildup) {
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| 118 | Curl_safefree(outdup);
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| 119 | return CURLE_OUT_OF_MEMORY;
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| 120 | }
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| 121 | dirbuildup[0] = '\0';
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| 122 |
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| 123 | /* Allow strtok() here since this isn't used threaded */
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| 124 | /* !checksrc! disable BANNEDFUNC 2 */
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| 125 | tempdir = strtok(outdup, PATH_DELIMITERS);
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| 126 |
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| 127 | while(tempdir != NULL) {
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| 128 | tempdir2 = strtok(NULL, PATH_DELIMITERS);
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| 129 | /* since strtok returns a token for the last word even
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| 130 | if not ending with DIR_CHAR, we need to prune it */
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| 131 | if(tempdir2 != NULL) {
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| 132 | size_t dlen = strlen(dirbuildup);
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| 133 | if(dlen)
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| 134 | snprintf(&dirbuildup[dlen], outlen - dlen, "%s%s", DIR_CHAR, tempdir);
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| 135 | else {
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| 136 | if(outdup == tempdir)
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| 137 | /* the output string doesn't start with a separator */
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| 138 | strcpy(dirbuildup, tempdir);
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| 139 | else
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| 140 | snprintf(dirbuildup, outlen, "%s%s", DIR_CHAR, tempdir);
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| 141 | }
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| 142 | if(access(dirbuildup, F_OK) == -1) {
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| 143 | if(-1 == mkdir(dirbuildup, (mode_t)0000750)) {
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| 144 | show_dir_errno(errors, dirbuildup);
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| 145 | result = CURLE_WRITE_ERROR;
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| 146 | break; /* get out of loop */
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| 147 | }
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| 148 | }
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| 149 | }
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| 150 | tempdir = tempdir2;
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| 151 | }
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| 152 |
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| 153 | Curl_safefree(dirbuildup);
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| 154 | Curl_safefree(outdup);
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| 155 |
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| 156 | return result;
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| 157 | }
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| 158 |
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