Line | |
---|
1 | /* |
---|
2 | * Copyright (c) 2014 embedded brains GmbH. All rights reserved. |
---|
3 | * |
---|
4 | * The license and distribution terms for this file may be |
---|
5 | * found in the file LICENSE in this distribution or at |
---|
6 | * http://www.rtems.org/license/LICENSE. |
---|
7 | */ |
---|
8 | |
---|
9 | #ifdef HAVE_CONFIG_H |
---|
10 | #include "config.h" |
---|
11 | #endif |
---|
12 | |
---|
13 | #include <errno.h> |
---|
14 | #include <stdio.h> |
---|
15 | #include <string.h> |
---|
16 | #include <unistd.h> |
---|
17 | |
---|
18 | #include <rtems/shellconfig.h> |
---|
19 | #include <rtems/stringto.h> |
---|
20 | |
---|
21 | #include "internal.h" |
---|
22 | |
---|
23 | static int usage(void) |
---|
24 | { |
---|
25 | puts(rtems_shell_CMDCHMOD_Command.usage); |
---|
26 | |
---|
27 | return -1; |
---|
28 | } |
---|
29 | |
---|
30 | static void error(const char *s, int eno) |
---|
31 | { |
---|
32 | printf("%s: %s\n", s, strerror(eno)); |
---|
33 | } |
---|
34 | |
---|
35 | static int rtems_shell_main_cmdchmod(int argc, char **argv) |
---|
36 | { |
---|
37 | if (argc >= 2) { |
---|
38 | unsigned long mode; |
---|
39 | rtems_status_code sc; |
---|
40 | uid_t task_uid; |
---|
41 | int i; |
---|
42 | |
---|
43 | sc = rtems_string_to_unsigned_long(argv[1], &mode, NULL, 8); |
---|
44 | if (sc != RTEMS_SUCCESSFUL) { |
---|
45 | return usage(); |
---|
46 | } |
---|
47 | |
---|
48 | task_uid = getuid(); |
---|
49 | |
---|
50 | for (i = 2; i < argc; ++i) { |
---|
51 | const char *cmd = argv[i]; |
---|
52 | rtems_shell_cmd_t *shell_cmd = rtems_shell_lookup_cmd(cmd); |
---|
53 | |
---|
54 | if (shell_cmd != NULL) { |
---|
55 | if (task_uid == 0 || task_uid == shell_cmd->uid) { |
---|
56 | shell_cmd->mode = mode |
---|
57 | & (S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); |
---|
58 | } else if (rtems_shell_can_see_cmd(shell_cmd)) { |
---|
59 | error(cmd, EACCES); |
---|
60 | } else { |
---|
61 | error(cmd, ENOENT); |
---|
62 | } |
---|
63 | } else { |
---|
64 | error(cmd, ENOENT); |
---|
65 | } |
---|
66 | } |
---|
67 | } else { |
---|
68 | return usage(); |
---|
69 | } |
---|
70 | |
---|
71 | return 0; |
---|
72 | } |
---|
73 | |
---|
74 | rtems_shell_cmd_t rtems_shell_CMDCHMOD_Command = { |
---|
75 | .name = "cmdchmod", |
---|
76 | .usage = "cmdchmod OCTAL-MODE COMMAND...", |
---|
77 | .topic = "misc", |
---|
78 | .command = rtems_shell_main_cmdchmod |
---|
79 | }; |
---|
Note: See
TracBrowser
for help on using the repository browser.