diff options
Diffstat (limited to 'toolbox')
-rw-r--r-- | toolbox/Android.mk | 1 | ||||
-rw-r--r-- | toolbox/ioctl.c | 182 |
2 files changed, 0 insertions, 183 deletions
diff --git a/toolbox/Android.mk b/toolbox/Android.mk index ba04364b3..feeffda57 100644 --- a/toolbox/Android.mk +++ b/toolbox/Android.mk | |||
@@ -32,7 +32,6 @@ BSD_TOOLS := \ | |||
32 | 32 | ||
33 | OUR_TOOLS := \ | 33 | OUR_TOOLS := \ |
34 | getevent \ | 34 | getevent \ |
35 | ioctl \ | ||
36 | log \ | 35 | log \ |
37 | nandread \ | 36 | nandread \ |
38 | newfs_msdos \ | 37 | newfs_msdos \ |
diff --git a/toolbox/ioctl.c b/toolbox/ioctl.c deleted file mode 100644 index 093e467de..000000000 --- a/toolbox/ioctl.c +++ /dev/null | |||
@@ -1,182 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2008, The Android Open Source Project | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions | ||
7 | * are met: | ||
8 | * * Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions and the following disclaimer. | ||
10 | * * Redistributions in binary form must reproduce the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer in | ||
12 | * the documentation and/or other materials provided with the | ||
13 | * distribution. | ||
14 | * * Neither the name of Google, Inc. nor the names of its contributors | ||
15 | * may be used to endorse or promote products derived from this | ||
16 | * software without specific prior written permission. | ||
17 | * | ||
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
22 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
24 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | ||
25 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | ||
26 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
27 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | ||
28 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
29 | * SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | #include <errno.h> | ||
33 | #include <error.h> | ||
34 | #include <fcntl.h> | ||
35 | #include <getopt.h> | ||
36 | #include <stdio.h> | ||
37 | #include <stdint.h> | ||
38 | #include <stdlib.h> | ||
39 | #include <string.h> | ||
40 | #include <sys/ioctl.h> | ||
41 | #include <unistd.h> | ||
42 | |||
43 | static void usage() { | ||
44 | fprintf(stderr, "%s [-l <length>] [-a <argsize>] [-rdh] <device> <ioctlnr>\n" | ||
45 | " -l <length> Length of io buffer\n" | ||
46 | " -a <argsize> Size of each argument (1-8)\n" | ||
47 | " -r Open device in read only mode\n" | ||
48 | " -d Direct argument (no iobuffer)\n" | ||
49 | " -h Print help\n", getprogname()); | ||
50 | exit(1); | ||
51 | } | ||
52 | |||
53 | static int xstrtoi(const char* s, const char* what) { | ||
54 | char* endp; | ||
55 | errno = 0; | ||
56 | long result = strtol(s, &endp, 0); | ||
57 | if (errno != 0 || *endp != '\0') { | ||
58 | error(1, errno, "couldn't parse %s '%s'", what, s); | ||
59 | } | ||
60 | if (result > INT_MAX || result < INT_MIN) { | ||
61 | error(1, errno, "%s '%s' out of range", what, s); | ||
62 | } | ||
63 | return result; | ||
64 | } | ||
65 | |||
66 | int ioctl_main(int argc, char* argv[]) { | ||
67 | int read_only = 0; | ||
68 | int length = -1; | ||
69 | int arg_size = 4; | ||
70 | int direct_arg = 0; | ||
71 | |||
72 | void *ioctl_args = NULL; | ||
73 | uint8_t *ioctl_argp; | ||
74 | uint8_t *ioctl_argp_save = NULL; | ||
75 | int rem; | ||
76 | |||
77 | int c; | ||
78 | while ((c = getopt(argc, argv, "rdl:a:h")) != -1) { | ||
79 | switch (c) { | ||
80 | case 'r': | ||
81 | read_only = 1; | ||
82 | break; | ||
83 | case 'd': | ||
84 | direct_arg = 1; | ||
85 | break; | ||
86 | case 'l': | ||
87 | length = xstrtoi(optarg, "length"); | ||
88 | break; | ||
89 | case 'a': | ||
90 | arg_size = xstrtoi(optarg, "argument size"); | ||
91 | break; | ||
92 | case 'h': | ||
93 | usage(); | ||
94 | break; | ||
95 | default: | ||
96 | error(1, 0, "invalid option -%c", optopt); | ||
97 | } | ||
98 | } | ||
99 | |||
100 | if (optind + 2 > argc) { | ||
101 | usage(); | ||
102 | } | ||
103 | |||
104 | const char* device = argv[optind]; | ||
105 | int fd; | ||
106 | if (strcmp(device, "-") == 0) { | ||
107 | fd = STDIN_FILENO; | ||
108 | } else { | ||
109 | fd = open(device, read_only ? O_RDONLY : (O_RDWR | O_SYNC)); | ||
110 | if (fd == -1) { | ||
111 | error(1, errno, "cannot open %s", argv[optind]); | ||
112 | } | ||
113 | } | ||
114 | optind++; | ||
115 | |||
116 | // IOCTL(2) wants second parameter as a signed int. | ||
117 | // Let's let the user specify either negative numbers or large positive | ||
118 | // numbers, for the case where ioctl number is larger than INT_MAX. | ||
119 | errno = 0; | ||
120 | char* endp; | ||
121 | int ioctl_nr = UINT_MAX & strtoll(argv[optind], &endp, 0); | ||
122 | if (errno != 0 || *endp != '\0') { | ||
123 | error(1, errno, "couldn't parse ioctl number '%s'", argv[optind]); | ||
124 | } | ||
125 | optind++; | ||
126 | |||
127 | if(direct_arg) { | ||
128 | arg_size = 4; | ||
129 | length = 4; | ||
130 | } | ||
131 | |||
132 | if(length < 0) { | ||
133 | length = (argc - optind) * arg_size; | ||
134 | } | ||
135 | if(length) { | ||
136 | ioctl_args = calloc(1, length); | ||
137 | |||
138 | ioctl_argp_save = ioctl_argp = ioctl_args; | ||
139 | rem = length; | ||
140 | while (optind < argc) { | ||
141 | uint64_t tmp = strtoull(argv[optind], NULL, 0); | ||
142 | if (rem < arg_size) { | ||
143 | error(1, 0, "too many arguments"); | ||
144 | } | ||
145 | memcpy(ioctl_argp, &tmp, arg_size); | ||
146 | ioctl_argp += arg_size; | ||
147 | rem -= arg_size; | ||
148 | optind++; | ||
149 | } | ||
150 | } | ||
151 | printf("sending ioctl 0x%x", ioctl_nr); | ||
152 | rem = length; | ||
153 | while(rem--) { | ||
154 | printf(" 0x%02x", *ioctl_argp_save++); | ||
155 | } | ||
156 | printf(" to %s\n", device); | ||
157 | |||
158 | int res; | ||
159 | if(direct_arg) | ||
160 | res = ioctl(fd, ioctl_nr, *(uint32_t*)ioctl_args); | ||
161 | else if(length) | ||
162 | res = ioctl(fd, ioctl_nr, ioctl_args); | ||
163 | else | ||
164 | res = ioctl(fd, ioctl_nr, 0); | ||
165 | if (res < 0) { | ||
166 | free(ioctl_args); | ||
167 | error(1, errno, "ioctl 0x%x failed (returned %d)", ioctl_nr, res); | ||
168 | } | ||
169 | |||
170 | if (length) { | ||
171 | printf("return buf:"); | ||
172 | ioctl_argp = ioctl_args; | ||
173 | rem = length; | ||
174 | while(rem--) { | ||
175 | printf(" %02x", *ioctl_argp++); | ||
176 | } | ||
177 | printf("\n"); | ||
178 | } | ||
179 | free(ioctl_args); | ||
180 | close(fd); | ||
181 | return 0; | ||
182 | } | ||