1/***************************************************************************
2 *                                  _   _ ____  _
3 *  Project                     ___| | | |  _ \| |
4 *                             / __| | | | |_) | |
5 *                            | (__| |_| |  _ <| |___
6 *                             \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, 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 <sys/stat.h>
25
26#ifdef WIN32
27#  include <direct.h>
28#endif
29
30#define ENABLE_CURLX_PRINTF
31/* use our own printf() functions */
32#include "curlx.h"
33
34#include "tool_dirhie.h"
35
36#include "memdebug.h" /* keep this as LAST include */
37
38#ifdef NETWARE
39#  ifndef __NOVELL_LIBC__
40#    define mkdir mkdir_510
41#  endif
42#endif
43
44#ifdef WIN32
45#  define mkdir(x,y) (mkdir)((x))
46#  ifndef __POCC__
47#    define F_OK 0
48#  endif
49#endif
50
51static void show_dir_errno(FILE *errors, const char *name)
52{
53  switch(ERRNO) {
54#ifdef EACCES
55  case EACCES:
56    fprintf(errors, "You don't have permission to create %s.\n", name);
57    break;
58#endif
59#ifdef ENAMETOOLONG
60  case ENAMETOOLONG:
61    fprintf(errors, "The directory name %s is too long.\n", name);
62    break;
63#endif
64#ifdef EROFS
65  case EROFS:
66    fprintf(errors, "%s resides on a read-only file system.\n", name);
67    break;
68#endif
69#ifdef ENOSPC
70  case ENOSPC:
71    fprintf(errors, "No space left on the file system that will "
72            "contain the directory %s.\n", name);
73    break;
74#endif
75#ifdef EDQUOT
76  case EDQUOT:
77    fprintf(errors, "Cannot create directory %s because you "
78            "exceeded your quota.\n", name);
79    break;
80#endif
81  default :
82    fprintf(errors, "Error creating directory %s.\n", name);
83    break;
84  }
85}
86
87/*
88 * Create the needed directory hierarchy recursively in order to save
89 *  multi-GETs in file output, ie:
90 *  curl "http://my.site/dir[1-5]/file[1-5].txt" -o "dir#1/file#2.txt"
91 *  should create all the dir* automagically
92 */
93
94CURLcode create_dir_hierarchy(const char *outfile, FILE *errors)
95{
96  char *tempdir;
97  char *tempdir2;
98  char *outdup;
99  char *dirbuildup;
100  CURLcode result = CURLE_OK;
101  size_t outlen;
102
103  outlen = strlen(outfile);
104  outdup = strdup(outfile);
105  if(!outdup)
106    return CURLE_OUT_OF_MEMORY;
107
108  dirbuildup = malloc(outlen + 1);
109  if(!dirbuildup) {
110    Curl_safefree(outdup);
111    return CURLE_OUT_OF_MEMORY;
112  }
113  dirbuildup[0] = '\0';
114
115  tempdir = strtok(outdup, DIR_CHAR);
116
117  while(tempdir != NULL) {
118    tempdir2 = strtok(NULL, DIR_CHAR);
119    /* since strtok returns a token for the last word even
120       if not ending with DIR_CHAR, we need to prune it */
121    if(tempdir2 != NULL) {
122      size_t dlen = strlen(dirbuildup);
123      if(dlen)
124        snprintf(&dirbuildup[dlen], outlen - dlen, "%s%s", DIR_CHAR, tempdir);
125      else {
126        if(0 != strncmp(outdup, DIR_CHAR, 1))
127          strcpy(dirbuildup, tempdir);
128        else
129          snprintf(dirbuildup, outlen, "%s%s", DIR_CHAR, tempdir);
130      }
131      if(access(dirbuildup, F_OK) == -1) {
132        if(-1 == mkdir(dirbuildup, (mode_t)0000750)) {
133          show_dir_errno(errors, dirbuildup);
134          result = CURLE_WRITE_ERROR;
135          break; /* get out of loop */
136        }
137      }
138    }
139    tempdir = tempdir2;
140  }
141
142  Curl_safefree(dirbuildup);
143  Curl_safefree(outdup);
144
145  return result;
146}
147
148