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1.21 ! sobrado 1: /* $OpenBSD: odsyntax.c,v 1.20 2010/10/07 16:04:36 sobrado Exp $ */
1.9 pvalchev 2: /* $NetBSD: odsyntax.c,v 1.15 2001/12/07 15:14:29 bjh21 Exp $ */
1.2 deraadt 3:
1.1 deraadt 4: /*-
1.9 pvalchev 5: * Copyright (c) 1990, 1993
6: * The Regents of the University of California. All rights reserved.
1.1 deraadt 7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.12 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #include <sys/types.h>
1.9 pvalchev 34:
1.4 deraadt 35: #include <ctype.h>
1.7 mickey 36: #include <err.h>
1.9 pvalchev 37: #include <stdio.h>
38: #include <stdlib.h>
39: #include <unistd.h>
40:
1.1 deraadt 41: #include "hexdump.h"
42:
1.19 fgsch 43: #define PADDING " "
44:
1.1 deraadt 45: int deprecated;
46:
1.10 millert 47: static void odoffset(int, char ***);
48: static void posixtypes(char *);
1.19 fgsch 49: static void odadd(const char *);
1.9 pvalchev 50:
51:
52: /*
53: * formats used for -t
54: */
55: static const char *fmt[4][4] = {
56: {
57: "16/1 \"%3d \" \"\\n\"",
58: "8/2 \" %05d \" \"\\n\"",
59: "4/4 \" %010d \" \"\\n\"",
60: "2/8 \" %019d \" \"\\n\""
61: }, {
62: "16/1 \"%03o \" \"\\n\"",
63: "8/2 \" %06o \" \"\\n\"",
64: "4/4 \" %011o\" \"\\n\"",
65: "2/8 \" %022o \" \"\\n\""
66: }, {
67: "16/1 \"%03u \" \"\\n\"",
68: "8/2 \" %05u \" \"\\n\"",
69: "4/4 \" %010u \" \"\\n\"",
70: "2/8 \" %020u \" \"\\n\""
71: }, {
72: "16/1 \" %02x \" \"\\n\"",
73: "8/2 \" %04x \" \"\\n\"",
74: "4/4 \" %08x \" \"\\n\"",
75: "2/8 \" %16x \" \"\\n\""
76: }
77: };
78:
1.6 pvalchev 79: void
1.13 deraadt 80: oldsyntax(int argc, char ***argvp)
1.1 deraadt 81: {
1.19 fgsch 82: static char empty[] = "", padding[] = PADDING;
1.1 deraadt 83: int ch;
1.9 pvalchev 84: char *p, **argv;
1.1 deraadt 85:
1.19 fgsch 86: #define TYPE_OFFSET 7
87: add("\"%07.7_Ao\n\"");
88: add("\"%07.7_ao \"");
89:
1.1 deraadt 90: deprecated = 1;
91: argv = *argvp;
1.9 pvalchev 92: while ((ch = getopt(argc, argv,
1.19 fgsch 93: "A:aBbcDdeFfHhIij:LlN:OoPpst:wvXx")) != -1)
1.1 deraadt 94: switch (ch) {
1.19 fgsch 95: case 'A':
96: switch (*optarg) {
97: case 'd': case 'o': case 'x':
98: fshead->nextfu->fmt[TYPE_OFFSET] = *optarg;
99: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] =
100: *optarg;
101: break;
102: case 'n':
103: fshead->nextfu->fmt = empty;
104: fshead->nextfs->nextfu->fmt = padding;
105: break;
106: default:
107: errx(1, "%s: invalid address base", optarg);
108: }
109: break;
1.1 deraadt 110: case 'a':
1.19 fgsch 111: odadd("16/1 \"%3_u \" \"\\n\"");
1.1 deraadt 112: break;
113: case 'B':
114: case 'o':
1.19 fgsch 115: odadd("8/2 \" %06o \" \"\\n\"");
1.1 deraadt 116: break;
117: case 'b':
1.19 fgsch 118: odadd("16/1 \"%03o \" \"\\n\"");
1.1 deraadt 119: break;
120: case 'c':
1.19 fgsch 121: odadd("16/1 \"%3_c \" \"\\n\"");
1.1 deraadt 122: break;
123: case 'd':
1.19 fgsch 124: odadd("8/2 \" %05u \" \"\\n\"");
1.1 deraadt 125: break;
126: case 'D':
1.19 fgsch 127: odadd("4/4 \" %010u \" \"\\n\"");
1.1 deraadt 128: break;
1.16 jmc 129: case 'e':
1.1 deraadt 130: case 'F':
1.19 fgsch 131: odadd("2/8 \" %21.14e \" \"\\n\"");
1.1 deraadt 132: break;
133: case 'f':
1.19 fgsch 134: odadd("4/4 \" %14.7e \" \"\\n\"");
1.1 deraadt 135: break;
136: case 'H':
137: case 'X':
1.19 fgsch 138: odadd("4/4 \" %08x \" \"\\n\"");
1.1 deraadt 139: break;
140: case 'h':
141: case 'x':
1.19 fgsch 142: odadd("8/2 \" %04x \" \"\\n\"");
1.1 deraadt 143: break;
144: case 'I':
145: case 'L':
146: case 'l':
1.19 fgsch 147: odadd("4/4 \" %11d \" \"\\n\"");
1.1 deraadt 148: break;
149: case 'i':
1.19 fgsch 150: odadd("8/2 \" %6d \" \"\\n\"");
1.1 deraadt 151: break;
1.9 pvalchev 152: case 'j':
153: if ((skip = strtol(optarg, &p, 0)) < 0)
154: errx(1, "%s: bad skip value", optarg);
155: switch(*p) {
156: case 'b':
157: skip *= 512;
158: break;
159: case 'k':
160: skip *= 1024;
161: break;
162: case 'm':
163: skip *= 1048576;
164: break;
165: }
166: break;
167: case 'N':
168: if ((length = atoi(optarg)) < 0)
169: errx(1, "%s: bad length value", optarg);
170: break;
1.1 deraadt 171: case 'O':
1.19 fgsch 172: odadd("4/4 \" %011o \" \"\\n\"");
1.1 deraadt 173: break;
1.9 pvalchev 174: case 't':
175: posixtypes(optarg);
176: break;
1.1 deraadt 177: case 'v':
178: vflag = ALL;
179: break;
180: case 'P':
181: case 'p':
182: case 's':
183: case 'w':
184: case '?':
185: default:
1.9 pvalchev 186: warnx("od(1) has been deprecated for hexdump(1).");
1.1 deraadt 187: if (ch != '?')
1.9 pvalchev 188: warnx(
1.14 deraadt 189: "hexdump(1) compatibility doesn't"
190: " support the -%c option%s",
1.1 deraadt 191: ch, ch == 's' ? "; see strings(1)." : ".");
1.11 millert 192: oldusage();
1.1 deraadt 193: }
194:
1.19 fgsch 195: if (fshead->nextfs->nextfs == NULL)
196: odadd(" 8/2 \"%06o \" \"\\n\"");
1.1 deraadt 197:
198: argc -= optind;
199: *argvp += optind;
200:
1.9 pvalchev 201: if (argc)
202: odoffset(argc, argvp);
1.1 deraadt 203: }
204:
1.9 pvalchev 205: /*
206: * Interpret a POSIX-style -t argument.
207: */
208: static void
1.13 deraadt 209: posixtypes(char *type_string)
1.9 pvalchev 210: {
211: int x, y, nbytes;
1.1 deraadt 212:
1.9 pvalchev 213: while (*type_string) {
214: switch (*type_string) {
215: case 'a':
216: type_string++;
1.19 fgsch 217: odadd("16/1 \"%3_u \" \"\\n\"");
1.9 pvalchev 218: break;
219: case 'c':
220: type_string++;
1.19 fgsch 221: odadd("16/1 \"%3_c \" \"\\n\"");
1.9 pvalchev 222: break;
223: case 'f':
224: type_string++;
225: if (*type_string == 'F' ||
226: *type_string == '4') {
227: type_string++;
1.19 fgsch 228: odadd("4/4 \" %14.7e\" \"\\n\"");
1.9 pvalchev 229: } else if (*type_string == 'L' ||
230: *type_string == '8') {
231: type_string++;
1.19 fgsch 232: odadd("2/8 \" %16.14e\" \"\\n\"");
1.9 pvalchev 233: } else if (*type_string == 'D')
234: /* long doubles vary in size */
1.11 millert 235: oldusage();
1.9 pvalchev 236: else
1.19 fgsch 237: odadd("2/8 \" %16.14e\" \"\\n\"");
1.9 pvalchev 238: break;
239: case 'd':
240: x = 0;
241: goto extensions;
242: case 'o':
243: x = 1;
244: goto extensions;
245: case 'u':
246: x = 2;
247: goto extensions;
248: case 'x':
249: x = 3;
250: extensions:
251: type_string++;
252: y = 2;
253: if (isupper(*type_string)) {
254: switch(*type_string) {
255: case 'C':
256: nbytes = sizeof(char);
257: break;
258: case 'S':
259: nbytes = sizeof(short);
260: break;
261: case 'I':
262: nbytes = sizeof(int);
263: break;
264: case 'L':
265: nbytes = sizeof(long);
266: break;
267: default:
268: warnx("Bad type-size qualifier '%c'",
269: *type_string);
1.11 millert 270: oldusage();
1.9 pvalchev 271: }
272: type_string++;
273: } else if (isdigit(*type_string))
274: nbytes = strtol(type_string, &type_string, 10);
1.18 nicm 275: else
276: nbytes = 4;
1.9 pvalchev 277:
278: switch (nbytes) {
279: case 1:
280: y = 0;
281: break;
282: case 2:
283: y = 1;
284: break;
285: case 4:
286: y = 2;
287: break;
288: case 8:
289: y = 3;
290: break;
291: default:
292: warnx("%d-byte integer formats are not "
293: "supported", nbytes);
1.11 millert 294: oldusage();
1.9 pvalchev 295: }
1.19 fgsch 296: odadd(fmt[x][y]);
1.9 pvalchev 297: break;
298: default:
1.11 millert 299: oldusage();
1.9 pvalchev 300: }
301: }
1.11 millert 302: }
303:
304: void
1.13 deraadt 305: oldusage(void)
1.11 millert 306: {
307: extern char *__progname;
1.19 fgsch 308: fprintf(stderr, "usage: %s [-aBbcDdeFfHhIiLlOovXx] [-A base] "
1.20 sobrado 309: "[-j offset] [-N length]\n"
310: "\t[-t type_string] [[+]offset[.][Bb]] [file ...]\n", __progname);
1.11 millert 311: exit(1);
1.9 pvalchev 312: }
313:
314: static void
1.13 deraadt 315: odoffset(int argc, char ***argvp)
1.1 deraadt 316: {
1.8 mpech 317: char *num, *p;
1.1 deraadt 318: int base;
319: char *end;
320:
321: /*
322: * The offset syntax of od(1) was genuinely bizarre. First, if
323: * it started with a plus it had to be an offset. Otherwise, if
324: * there were at least two arguments, a number or lower-case 'x'
325: * followed by a number makes it an offset. By default it was
326: * octal; if it started with 'x' or '0x' it was hex. If it ended
327: * in a '.', it was decimal. If a 'b' or 'B' was appended, it
328: * multiplied the number by 512 or 1024 byte units. There was
329: * no way to assign a block count to a hex offset.
330: *
1.9 pvalchev 331: * We assume it's a file if the offset is bad.
1.1 deraadt 332: */
1.9 pvalchev 333: p = argc == 1 ? (*argvp)[0] : (*argvp)[1];
1.1 deraadt 334: if (!p)
335: return;
1.9 pvalchev 336:
1.1 deraadt 337: if (*p != '+' && (argc < 2 ||
1.9 pvalchev 338: (!isdigit((unsigned char)p[0]) &&
339: (p[0] != 'x' || !isxdigit((unsigned char)p[1])))))
1.1 deraadt 340: return;
341:
342: base = 0;
343: /*
344: * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
345: * set base.
346: */
347: if (p[0] == '+')
348: ++p;
1.9 pvalchev 349: if (p[0] == 'x' && isxdigit((unsigned char)p[1])) {
1.1 deraadt 350: ++p;
351: base = 16;
352: } else if (p[0] == '0' && p[1] == 'x') {
353: p += 2;
354: base = 16;
355: }
356:
357: /* skip over the number */
358: if (base == 16)
1.9 pvalchev 359: for (num = p; isxdigit((unsigned char)*p); ++p);
1.1 deraadt 360: else
1.9 pvalchev 361: for (num = p; isdigit((unsigned char)*p); ++p);
1.1 deraadt 362:
363: /* check for no number */
364: if (num == p)
365: return;
366:
367: /* if terminates with a '.', base is decimal */
368: if (*p == '.') {
369: if (base)
370: return;
371: base = 10;
372: }
373:
374: skip = strtol(num, &end, base ? base : 8);
375:
376: /* if end isn't the same as p, we got a non-octal digit */
1.9 pvalchev 377: if (end != p) {
1.1 deraadt 378: skip = 0;
1.9 pvalchev 379: return;
380: }
381:
382: if (*p) {
383: if (*p == 'B') {
384: skip *= 1024;
385: ++p;
386: } else if (*p == 'b') {
387: skip *= 512;
1.1 deraadt 388: ++p;
389: }
1.9 pvalchev 390: }
391: if (*p) {
392: skip = 0;
393: return;
394: }
395: /*
396: * If the offset uses a non-octal base, the base of the offset
397: * is changed as well. This isn't pretty, but it's easy.
398: */
399: if (base == 16) {
400: fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
401: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
402: } else if (base == 10) {
403: fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
404: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
1.1 deraadt 405: }
1.9 pvalchev 406:
407: /* Terminate file list. */
408: (*argvp)[1] = NULL;
1.1 deraadt 409: }
410:
411: static void
1.19 fgsch 412: odadd(const char *fmt)
1.1 deraadt 413: {
1.19 fgsch 414: static int needpad;
1.1 deraadt 415:
1.19 fgsch 416: if (needpad)
417: add("\""PADDING"\"");
418: add(fmt);
419: needpad = 1;
1.1 deraadt 420: }