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
show_dir_errno(FILE * errors,const char * name)51 static 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
create_dir_hierarchy(const char * outfile,FILE * errors)94 CURLcode 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