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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