OpenCoverage

mkdir.c

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1/* mkdir -- make directories-
2 Copyright (C) 1990-2018 Free Software Foundation, Inc.-
3-
4 This program is free software: you can redistribute it and/or modify-
5 it under the terms of the GNU General Public License as published by-
6 the Free Software Foundation, either version 3 of the License, or-
7 (at your option) any later version.-
8-
9 This program is distributed in the hope that it will be useful,-
10 but WITHOUT ANY WARRANTY; without even the implied warranty of-
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
12 GNU General Public License for more details.-
13-
14 You should have received a copy of the GNU General Public License-
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */-
16-
17/* David MacKenzie <djm@ai.mit.edu> */-
18-
19#include <config.h>-
20#include <stdio.h>-
21#include <getopt.h>-
22#include <sys/types.h>-
23#include <selinux/selinux.h>-
24-
25#include "system.h"-
26#include "die.h"-
27#include "error.h"-
28#include "mkdir-p.h"-
29#include "modechange.h"-
30#include "prog-fprintf.h"-
31#include "quote.h"-
32#include "savewd.h"-
33#include "selinux.h"-
34#include "smack.h"-
35-
36/* The official name of this program (e.g., no 'g' prefix). */-
37#define PROGRAM_NAME "mkdir"-
38-
39#define AUTHORS proper_name ("David MacKenzie")-
40-
41static struct option const longopts[] =-
42{-
43 {GETOPT_SELINUX_CONTEXT_OPTION_DECL},-
44 {"mode", required_argument, NULL, 'm'},-
45 {"parents", no_argument, NULL, 'p'},-
46 {"verbose", no_argument, NULL, 'v'},-
47 {GETOPT_HELP_OPTION_DECL},-
48 {GETOPT_VERSION_OPTION_DECL},-
49 {NULL, 0, NULL, 0}-
50};-
51-
52void-
53usage (int status)-
54{-
55 if (status != EXIT_SUCCESS)
status != 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • mkdir
FALSEevaluated 2 times by 1 test
Evaluated by:
  • mkdir
1-2
56 emit_try_help ();
executed 1 time by 1 test: end of block
Executed by:
  • mkdir
1
57 else-
58 {-
59 printf (_("Usage: %s [OPTION]... DIRECTORY...\n"), program_name);-
60 fputs (_("\-
61Create the DIRECTORY(ies), if they do not already exist.\n\-
62"), stdout);-
63-
64 emit_mandatory_arg_note ();-
65-
66 fputs (_("\-
67 -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask\n\-
68 -p, --parents no error if existing, make parent directories as needed\n\-
69 -v, --verbose print a message for each created directory\n\-
70"), stdout);-
71 fputs (_("\-
72 -Z set SELinux security context of each created directory\n\-
73 to the default type\n\-
74 --context[=CTX] like -Z, or if CTX is specified then set the SELinux\n\-
75 or SMACK security context to CTX\n\-
76"), stdout);-
77 fputs (HELP_OPTION_DESCRIPTION, stdout);-
78 fputs (VERSION_OPTION_DESCRIPTION, stdout);-
79 emit_ancillary_info (PROGRAM_NAME);-
80 }
executed 2 times by 1 test: end of block
Executed by:
  • mkdir
2
81 exit (status);
executed 3 times by 1 test: exit (status);
Executed by:
  • mkdir
3
82}-
83-
84/* Options passed to subsidiary functions. */-
85struct mkdir_options-
86{-
87 /* Function to make an ancestor, or NULL if ancestors should not be-
88 made. */-
89 int (*make_ancestor_function) (char const *, char const *, void *);-
90-
91 /* Umask value in effect. */-
92 mode_t umask_value;-
93-
94 /* Mode for directory itself. */-
95 mode_t mode;-
96-
97 /* File mode bits affected by MODE. */-
98 mode_t mode_bits;-
99-
100 /* Set the SELinux File Context. */-
101 bool set_security_context;-
102-
103 /* If not null, format to use when reporting newly made directories. */-
104 char const *created_directory_format;-
105};-
106-
107/* Report that directory DIR was made, if OPTIONS requests this. */-
108static void-
109announce_mkdir (char const *dir, void *options)-
110{-
111 struct mkdir_options const *o = options;-
112 if (o->created_directory_format)
o->created_directory_formatDescription
TRUEnever evaluated
FALSEevaluated 22392 times by 1 test
Evaluated by:
  • mkdir
0-22392
113 prog_fprintf (stdout, o->created_directory_format, quoteaf (dir));
never executed: prog_fprintf ( stdout , o->created_directory_format, quotearg_style (shell_escape_always_quoting_style, dir));
0
114}
executed 22392 times by 1 test: end of block
Executed by:
  • mkdir
22392
115-
116/* Make ancestor directory DIR, whose last component is COMPONENT,-
117 with options OPTIONS. Assume the working directory is COMPONENT's-
118 parent. Return 0 if successful and the resulting directory is-
119 readable, 1 if successful but the resulting directory is not-
120 readable, -1 (setting errno) otherwise. */-
121static int-
122make_ancestor (char const *dir, char const *component, void *options)-
123{-
124 struct mkdir_options const *o = options;-
125-
126 if (o->set_security_context && defaultcon (component, S_IFDIR) < 0
o->set_security_contextDescription
TRUEnever evaluated
FALSEevaluated 12282 times by 1 test
Evaluated by:
  • mkdir
defaultcon (co... 0040000 ) < 0Description
TRUEnever evaluated
FALSEnever evaluated
0-12282
127 && ! ignorable_ctx_err (errno))
! ignorable_ct...location ()) )Description
TRUEnever evaluated
FALSEnever evaluated
0
128 error (0, errno, _("failed to set default creation context for %s"),
never executed: error (0, (*__errno_location ()) , dcgettext (((void *)0), "failed to set default creation context for %s" , 5) , quotearg_style (shell_escape_always_quoting_style, dir));
0
129 quoteaf (dir));
never executed: error (0, (*__errno_location ()) , dcgettext (((void *)0), "failed to set default creation context for %s" , 5) , quotearg_style (shell_escape_always_quoting_style, dir));
0
130-
131 mode_t user_wx = S_IWUSR | S_IXUSR;-
132 bool self_denying_umask = (o->umask_value & user_wx) != 0;-
133 if (self_denying_umask)
self_denying_umaskDescription
TRUEnever evaluated
FALSEevaluated 12282 times by 1 test
Evaluated by:
  • mkdir
0-12282
134 umask (o->umask_value & ~user_wx);
never executed: umask (o->umask_value & ~user_wx);
0
135 int r = mkdir (component, S_IRWXUGO);-
136 if (self_denying_umask)
self_denying_umaskDescription
TRUEnever evaluated
FALSEevaluated 12282 times by 1 test
Evaluated by:
  • mkdir
0-12282
137 {-
138 int mkdir_errno = errno;-
139 umask (o->umask_value);-
140 errno = mkdir_errno;-
141 }
never executed: end of block
0
142 if (r == 0)
r == 0Description
TRUEevaluated 12124 times by 1 test
Evaluated by:
  • mkdir
FALSEevaluated 158 times by 1 test
Evaluated by:
  • mkdir
158-12124
143 {-
144 r = (o->umask_value & S_IRUSR) != 0;-
145 announce_mkdir (dir, options);-
146 }
executed 12124 times by 1 test: end of block
Executed by:
  • mkdir
12124
147 return r;
executed 12282 times by 1 test: return r;
Executed by:
  • mkdir
12282
148}-
149-
150/* Process a command-line file name. */-
151static int-
152process_dir (char *dir, struct savewd *wd, void *options)-
153{-
154 struct mkdir_options const *o = options;-
155-
156 /* If possible set context before DIR created. */-
157 if (o->set_security_context)
o->set_security_contextDescription
TRUEnever evaluated
FALSEevaluated 10268 times by 1 test
Evaluated by:
  • mkdir
0-10268
158 {-
159 if (! o->make_ancestor_function && defaultcon (dir, S_IFDIR) < 0
! o->make_ancestor_functionDescription
TRUEnever evaluated
FALSEnever evaluated
defaultcon (dir, 0040000 ) < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
160 && ! ignorable_ctx_err (errno))
! ignorable_ct...location ()) )Description
TRUEnever evaluated
FALSEnever evaluated
0
161 error (0, errno, _("failed to set default creation context for %s"),
never executed: error (0, (*__errno_location ()) , dcgettext (((void *)0), "failed to set default creation context for %s" , 5) , quotearg_style (shell_escape_always_quoting_style, dir));
0
162 quoteaf (dir));
never executed: error (0, (*__errno_location ()) , dcgettext (((void *)0), "failed to set default creation context for %s" , 5) , quotearg_style (shell_escape_always_quoting_style, dir));
0
163 }
never executed: end of block
0
164-
165 int ret = (make_dir_parents (dir, wd, o->make_ancestor_function, options,
make_dir_paren...gid_t) -1, 1 )Description
TRUEevaluated 10268 times by 1 test
Evaluated by:
  • mkdir
FALSEnever evaluated
0-10268
166 o->mode, announce_mkdir,
make_dir_paren...gid_t) -1, 1 )Description
TRUEevaluated 10268 times by 1 test
Evaluated by:
  • mkdir
FALSEnever evaluated
0-10268
167 o->mode_bits, (uid_t) -1, (gid_t) -1, true)
make_dir_paren...gid_t) -1, 1 )Description
TRUEevaluated 10268 times by 1 test
Evaluated by:
  • mkdir
FALSEnever evaluated
0-10268
168 ? EXIT_SUCCESS-
169 : EXIT_FAILURE);-
170-
171 /* FIXME: Due to the current structure of make_dir_parents()-
172 we don't have the facility to call defaultcon() before the-
173 final component of DIR is created. So for now, create the-
174 final component with the context from previous component-
175 and here we set the context for the final component. */-
176 if (ret == EXIT_SUCCESS && o->set_security_context
ret == 0Description
TRUEevaluated 10268 times by 1 test
Evaluated by:
  • mkdir
FALSEnever evaluated
o->set_security_contextDescription
TRUEnever evaluated
FALSEevaluated 10268 times by 1 test
Evaluated by:
  • mkdir
0-10268
177 && o->make_ancestor_function)
o->make_ancestor_functionDescription
TRUEnever evaluated
FALSEnever evaluated
0
178 {-
179 if (! restorecon (last_component (dir), false, false)
! restorecon (...(dir), 0 , 0 )Description
TRUEnever evaluated
FALSEnever evaluated
0
180 && ! ignorable_ctx_err (errno))
! ignorable_ct...location ()) )Description
TRUEnever evaluated
FALSEnever evaluated
0
181 error (0, errno, _("failed to restore context for %s"),
never executed: error (0, (*__errno_location ()) , dcgettext (((void *)0), "failed to restore context for %s" , 5) , quotearg_style (shell_escape_always_quoting_style, dir));
0
182 quoteaf (dir));
never executed: error (0, (*__errno_location ()) , dcgettext (((void *)0), "failed to restore context for %s" , 5) , quotearg_style (shell_escape_always_quoting_style, dir));
0
183 }
never executed: end of block
0
184-
185 return ret;
executed 10268 times by 1 test: return ret;
Executed by:
  • mkdir
10268
186}-
187-
188int-
189main (int argc, char **argv)-
190{-
191 const char *specified_mode = NULL;-
192 int optc;-
193 char const *scontext = NULL;-
194 struct mkdir_options options;-
195-
196 options.make_ancestor_function = NULL;-
197 options.mode = S_IRWXUGO;-
198 options.mode_bits = 0;-
199 options.created_directory_format = NULL;-
200 options.set_security_context = false;-
201-
202 initialize_main (&argc, &argv);-
203 set_program_name (argv[0]);-
204 setlocale (LC_ALL, "");-
205 bindtextdomain (PACKAGE, LOCALEDIR);-
206 textdomain (PACKAGE);-
207-
208 atexit (close_stdout);-
209-
210 while ((optc = getopt_long (argc, argv, "pm:vZ", longopts, NULL)) != -1)
(optc = getopt... *)0) )) != -1Description
TRUEevaluated 106 times by 1 test
Evaluated by:
  • mkdir
FALSEevaluated 247 times by 1 test
Evaluated by:
  • mkdir
106-247
211 {-
212 switch (optc)-
213 {-
214 case 'p':
executed 97 times by 1 test: case 'p':
Executed by:
  • mkdir
97
215 options.make_ancestor_function = make_ancestor;-
216 break;
executed 97 times by 1 test: break;
Executed by:
  • mkdir
97
217 case 'm':
executed 3 times by 1 test: case 'm':
Executed by:
  • mkdir
3
218 specified_mode = optarg;-
219 break;
executed 3 times by 1 test: break;
Executed by:
  • mkdir
3
220 case 'v': /* --verbose */
never executed: case 'v':
0
221 options.created_directory_format = _("created directory %s");-
222 break;
never executed: break;
0
223 case 'Z':
never executed: case 'Z':
0
224 if (is_smack_enabled ())
is_smack_enabled ()Description
TRUEnever evaluated
FALSEnever evaluated
0
225 {-
226 /* We don't yet support -Z to restore context with SMACK. */-
227 scontext = optarg;-
228 }
never executed: end of block
0
229 else if (is_selinux_enabled () > 0)
is_selinux_enabled () > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
230 {-
231 if (optarg)
optargDescription
TRUEnever evaluated
FALSEnever evaluated
0
232 scontext = optarg;
never executed: scontext = optarg;
0
233 else-
234 options.set_security_context = true;
never executed: options.set_security_context = 1 ;
0
235 }-
236 else if (optarg)
optargDescription
TRUEnever evaluated
FALSEnever evaluated
0
237 {-
238 error (0, 0,-
239 _("warning: ignoring --context; "-
240 "it requires an SELinux/SMACK-enabled kernel"));-
241 }
never executed: end of block
0
242 break;
never executed: break;
0
243 case_GETOPT_HELP_CHAR;
never executed: break;
executed 2 times by 1 test: case GETOPT_HELP_CHAR:
Executed by:
  • mkdir
0-2
244 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
executed 3 times by 1 test: exit ( 0 );
Executed by:
  • mkdir
never executed: break;
executed 3 times by 1 test: case GETOPT_VERSION_CHAR:
Executed by:
  • mkdir
0-3
245 default:
executed 1 time by 1 test: default:
Executed by:
  • mkdir
1
246 usage (EXIT_FAILURE);-
247 }
never executed: end of block
0
248 }-
249-
250 if (optind == argc)
optind == argcDescription
TRUEnever evaluated
FALSEevaluated 247 times by 1 test
Evaluated by:
  • mkdir
0-247
251 {-
252 error (0, 0, _("missing operand"));-
253 usage (EXIT_FAILURE);-
254 }
never executed: end of block
0
255-
256 /* FIXME: This assumes mkdir() is done in the same process.-
257 If that's not always the case we would need to call this-
258 like we do when options.set_security_context == true. */-
259 if (scontext)
scontextDescription
TRUEnever evaluated
FALSEevaluated 247 times by 1 test
Evaluated by:
  • mkdir
0-247
260 {-
261 int ret = 0;-
262 if (is_smack_enabled ())
is_smack_enabled ()Description
TRUEnever evaluated
FALSEnever evaluated
0
263 ret = smack_set_label_for_self (scontext);
never executed: ret = smack_set_label_for_self (scontext);
0
264 else-
265 ret = setfscreatecon (se_const (scontext));
never executed: ret = setfscreatecon (se_const (scontext));
0
266-
267 if (ret < 0)
ret < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
268 die (EXIT_FAILURE, errno,
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to set default file creation context to %s\", 5), quote (scontext)), assume (false))" ")"); int _gl_dummy; })) ? ((erro... (scontext)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to set default file creation context to %s" , 5) , quote (scontext)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
269 _("failed to set default file creation context to %s"),
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to set default file creation context to %s\", 5), quote (scontext)), assume (false))" ")"); int _gl_dummy; })) ? ((erro... (scontext)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to set default file creation context to %s" , 5) , quote (scontext)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
270 quote (scontext));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to set default file creation context to %s\", 5), quote (scontext)), assume (false))" ")"); int _gl_dummy; })) ? ((erro... (scontext)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to set default file creation context to %s" , 5) , quote (scontext)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
271 }
never executed: end of block
0
272-
273-
274 if (options.make_ancestor_function || specified_mode)
options.make_ancestor_functionDescription
TRUEevaluated 97 times by 1 test
Evaluated by:
  • mkdir
FALSEevaluated 150 times by 1 test
Evaluated by:
  • mkdir
specified_modeDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • mkdir
FALSEevaluated 148 times by 1 test
Evaluated by:
  • mkdir
2-150
275 {-
276 mode_t umask_value = umask (0);-
277 umask (umask_value);-
278 options.umask_value = umask_value;-
279-
280 if (specified_mode)
specified_modeDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • mkdir
FALSEevaluated 96 times by 1 test
Evaluated by:
  • mkdir
3-96
281 {-
282 struct mode_change *change = mode_compile (specified_mode);-
283 if (!change)
!changeDescription
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • mkdir
0-3
284 die (EXIT_FAILURE, 0, _("invalid mode %s"),
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"invalid mode %s\", 5), quote (specified_mode)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "invalid mode %s" , 5) , quote (specified_mode)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "invalid mode %s" , 5) , quote (specified_mode)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
285 quote (specified_mode));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"invalid mode %s\", 5), quote (specified_mode)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "invalid mode %s" , 5) , quote (specified_mode)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "invalid mode %s" , 5) , quote (specified_mode)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
286 options.mode = mode_adjust (S_IRWXUGO, true, umask_value, change,-
287 &options.mode_bits);-
288 free (change);-
289 }
executed 3 times by 1 test: end of block
Executed by:
  • mkdir
3
290 else-
291 options.mode = S_IRWXUGO;
executed 96 times by 1 test: options.mode = ((0400|0200|0100) | ((0400|0200|0100) >> 3) | (((0400|0200|0100) >> 3) >> 3)) ;
Executed by:
  • mkdir
96
292 }-
293-
294 return savewd_process_files (argc - optind, argv + optind,
executed 247 times by 1 test: return savewd_process_files (argc - optind, argv + optind, process_dir, &options);
Executed by:
  • mkdir
247
295 process_dir, &options);
executed 247 times by 1 test: return savewd_process_files (argc - optind, argv + optind, process_dir, &options);
Executed by:
  • mkdir
247
296}-
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