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1.17 ! deraadt 1: /* $OpenBSD: odsyntax.c,v 1.16 2007/02/06 20:55:13 jmc 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:
43: int deprecated;
44:
1.10 millert 45: static void odoffset(int, char ***);
46: static void posixtypes(char *);
47: static void odprecede(void);
1.9 pvalchev 48:
49:
50: /*
51: * formats used for -t
52: */
53: static const char *fmt[4][4] = {
54: {
55: "16/1 \"%3d \" \"\\n\"",
56: "8/2 \" %05d \" \"\\n\"",
57: "4/4 \" %010d \" \"\\n\"",
58: "2/8 \" %019d \" \"\\n\""
59: }, {
60: "16/1 \"%03o \" \"\\n\"",
61: "8/2 \" %06o \" \"\\n\"",
62: "4/4 \" %011o\" \"\\n\"",
63: "2/8 \" %022o \" \"\\n\""
64: }, {
65: "16/1 \"%03u \" \"\\n\"",
66: "8/2 \" %05u \" \"\\n\"",
67: "4/4 \" %010u \" \"\\n\"",
68: "2/8 \" %020u \" \"\\n\""
69: }, {
70: "16/1 \" %02x \" \"\\n\"",
71: "8/2 \" %04x \" \"\\n\"",
72: "4/4 \" %08x \" \"\\n\"",
73: "2/8 \" %16x \" \"\\n\""
74: }
75: };
76:
1.6 pvalchev 77: void
1.13 deraadt 78: oldsyntax(int argc, char ***argvp)
1.1 deraadt 79: {
80: int ch;
1.9 pvalchev 81: char *p, **argv;
1.1 deraadt 82:
83: deprecated = 1;
84: argv = *argvp;
1.9 pvalchev 85: while ((ch = getopt(argc, argv,
86: "aBbcDdeFfHhIij:LlN:OoPpst:wvXx")) != -1)
1.1 deraadt 87: switch (ch) {
88: case 'a':
89: odprecede();
90: add("16/1 \"%3_u \" \"\\n\"");
91: break;
92: case 'B':
93: case 'o':
94: odprecede();
95: add("8/2 \" %06o \" \"\\n\"");
96: break;
97: case 'b':
98: odprecede();
99: add("16/1 \"%03o \" \"\\n\"");
100: break;
101: case 'c':
102: odprecede();
103: add("16/1 \"%3_c \" \"\\n\"");
104: break;
105: case 'd':
106: odprecede();
107: add("8/2 \" %05u \" \"\\n\"");
108: break;
109: case 'D':
110: odprecede();
111: add("4/4 \" %010u \" \"\\n\"");
112: break;
1.16 jmc 113: case 'e':
1.1 deraadt 114: case 'F':
115: odprecede();
116: add("2/8 \" %21.14e \" \"\\n\"");
117: break;
118:
119: case 'f':
120: odprecede();
121: add("4/4 \" %14.7e \" \"\\n\"");
122: break;
123: case 'H':
124: case 'X':
125: odprecede();
126: add("4/4 \" %08x \" \"\\n\"");
127: break;
128: case 'h':
129: case 'x':
130: odprecede();
131: add("8/2 \" %04x \" \"\\n\"");
132: break;
133: case 'I':
134: case 'L':
135: case 'l':
136: odprecede();
137: add("4/4 \" %11d \" \"\\n\"");
138: break;
139: case 'i':
140: odprecede();
141: add("8/2 \" %6d \" \"\\n\"");
142: break;
1.9 pvalchev 143: case 'j':
144: if ((skip = strtol(optarg, &p, 0)) < 0)
145: errx(1, "%s: bad skip value", optarg);
146: switch(*p) {
147: case 'b':
148: skip *= 512;
149: break;
150: case 'k':
151: skip *= 1024;
152: break;
153: case 'm':
154: skip *= 1048576;
155: break;
156: }
157: break;
158: case 'N':
159: if ((length = atoi(optarg)) < 0)
160: errx(1, "%s: bad length value", optarg);
161: break;
1.1 deraadt 162: case 'O':
163: odprecede();
164: add("4/4 \" %011o \" \"\\n\"");
165: break;
1.9 pvalchev 166: case 't':
167: posixtypes(optarg);
168: break;
1.1 deraadt 169: case 'v':
170: vflag = ALL;
171: break;
172: case 'P':
173: case 'p':
174: case 's':
175: case 'w':
176: case '?':
177: default:
1.9 pvalchev 178: warnx("od(1) has been deprecated for hexdump(1).");
1.1 deraadt 179: if (ch != '?')
1.9 pvalchev 180: warnx(
1.14 deraadt 181: "hexdump(1) compatibility doesn't"
182: " support the -%c option%s",
1.1 deraadt 183: ch, ch == 's' ? "; see strings(1)." : ".");
1.11 millert 184: oldusage();
1.1 deraadt 185: }
186:
187: if (!fshead) {
188: add("\"%07.7_Ao\n\"");
189: add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
190: }
191:
192: argc -= optind;
193: *argvp += optind;
194:
1.9 pvalchev 195: if (argc)
196: odoffset(argc, argvp);
1.1 deraadt 197: }
198:
1.9 pvalchev 199: /*
200: * Interpret a POSIX-style -t argument.
201: */
202: static void
1.13 deraadt 203: posixtypes(char *type_string)
1.9 pvalchev 204: {
205: int x, y, nbytes;
1.1 deraadt 206:
1.9 pvalchev 207: while (*type_string) {
208: odprecede();
209: switch (*type_string) {
210: case 'a':
211: type_string++;
212: add("16/1 \"%3_u \" \"\\n\"");
213: break;
214: case 'c':
215: type_string++;
216: add("16/1 \"%3_c \" \"\\n\"");
217: break;
218: case 'f':
219: type_string++;
220: if (*type_string == 'F' ||
221: *type_string == '4') {
222: type_string++;
223: add("4/4 \" %14.7e\" \"\\n\"");
224: } else if (*type_string == 'L' ||
225: *type_string == '8') {
226: type_string++;
227: add("2/8 \" %16.14e\" \"\\n\"");
228: } else if (*type_string == 'D')
229: /* long doubles vary in size */
1.11 millert 230: oldusage();
1.9 pvalchev 231: else
232: add("2/8 \" %16.14e\" \"\\n\"");
233: break;
234: case 'd':
235: x = 0;
236: goto extensions;
237: case 'o':
238: x = 1;
239: goto extensions;
240: case 'u':
241: x = 2;
242: goto extensions;
243: case 'x':
244: x = 3;
245: extensions:
246: type_string++;
247: y = 2;
248: if (isupper(*type_string)) {
249: switch(*type_string) {
250: case 'C':
251: nbytes = sizeof(char);
252: break;
253: case 'S':
254: nbytes = sizeof(short);
255: break;
256: case 'I':
257: nbytes = sizeof(int);
258: break;
259: case 'L':
260: nbytes = sizeof(long);
261: break;
262: default:
263: warnx("Bad type-size qualifier '%c'",
264: *type_string);
1.11 millert 265: oldusage();
1.9 pvalchev 266: }
267: type_string++;
268: } else if (isdigit(*type_string))
269: nbytes = strtol(type_string, &type_string, 10);
270:
271: switch (nbytes) {
272: case 1:
273: y = 0;
274: break;
275: case 2:
276: y = 1;
277: break;
278: case 4:
279: y = 2;
280: break;
281: case 8:
282: y = 3;
283: break;
284: default:
285: warnx("%d-byte integer formats are not "
286: "supported", nbytes);
1.11 millert 287: oldusage();
1.9 pvalchev 288: }
289: add(fmt[x][y]);
290: break;
291: default:
1.11 millert 292: oldusage();
1.9 pvalchev 293: }
294: }
1.11 millert 295: }
296:
297: void
1.13 deraadt 298: oldusage(void)
1.11 millert 299: {
300: extern char *__progname;
1.15 jmc 301: fprintf(stderr, "usage: %s [-aBbcDdeFfHhIiLlOovXx] [-j offset] "
1.14 deraadt 302: "[-N length] [-t type_string]\n"
1.15 jmc 303: "\t[[+]offset[.][Bb]] [file ...]\n", __progname);
1.11 millert 304: exit(1);
1.9 pvalchev 305: }
306:
307: static void
1.13 deraadt 308: odoffset(int argc, char ***argvp)
1.1 deraadt 309: {
1.8 mpech 310: char *num, *p;
1.1 deraadt 311: int base;
312: char *end;
313:
314: /*
315: * The offset syntax of od(1) was genuinely bizarre. First, if
316: * it started with a plus it had to be an offset. Otherwise, if
317: * there were at least two arguments, a number or lower-case 'x'
318: * followed by a number makes it an offset. By default it was
319: * octal; if it started with 'x' or '0x' it was hex. If it ended
320: * in a '.', it was decimal. If a 'b' or 'B' was appended, it
321: * multiplied the number by 512 or 1024 byte units. There was
322: * no way to assign a block count to a hex offset.
323: *
1.9 pvalchev 324: * We assume it's a file if the offset is bad.
1.1 deraadt 325: */
1.9 pvalchev 326: p = argc == 1 ? (*argvp)[0] : (*argvp)[1];
1.1 deraadt 327: if (!p)
328: return;
1.9 pvalchev 329:
1.1 deraadt 330: if (*p != '+' && (argc < 2 ||
1.9 pvalchev 331: (!isdigit((unsigned char)p[0]) &&
332: (p[0] != 'x' || !isxdigit((unsigned char)p[1])))))
1.1 deraadt 333: return;
334:
335: base = 0;
336: /*
337: * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
338: * set base.
339: */
340: if (p[0] == '+')
341: ++p;
1.9 pvalchev 342: if (p[0] == 'x' && isxdigit((unsigned char)p[1])) {
1.1 deraadt 343: ++p;
344: base = 16;
345: } else if (p[0] == '0' && p[1] == 'x') {
346: p += 2;
347: base = 16;
348: }
349:
350: /* skip over the number */
351: if (base == 16)
1.9 pvalchev 352: for (num = p; isxdigit((unsigned char)*p); ++p);
1.1 deraadt 353: else
1.9 pvalchev 354: for (num = p; isdigit((unsigned char)*p); ++p);
1.1 deraadt 355:
356: /* check for no number */
357: if (num == p)
358: return;
359:
360: /* if terminates with a '.', base is decimal */
361: if (*p == '.') {
362: if (base)
363: return;
364: base = 10;
365: }
366:
367: skip = strtol(num, &end, base ? base : 8);
368:
369: /* if end isn't the same as p, we got a non-octal digit */
1.9 pvalchev 370: if (end != p) {
1.1 deraadt 371: skip = 0;
1.9 pvalchev 372: return;
373: }
374:
375: if (*p) {
376: if (*p == 'B') {
377: skip *= 1024;
378: ++p;
379: } else if (*p == 'b') {
380: skip *= 512;
1.1 deraadt 381: ++p;
382: }
1.9 pvalchev 383: }
384: if (*p) {
385: skip = 0;
386: return;
387: }
388: /*
389: * If the offset uses a non-octal base, the base of the offset
390: * is changed as well. This isn't pretty, but it's easy.
391: */
1.1 deraadt 392: #define TYPE_OFFSET 7
1.9 pvalchev 393: if (base == 16) {
394: fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
395: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
396: } else if (base == 10) {
397: fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
398: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
1.1 deraadt 399: }
1.9 pvalchev 400:
401: /* Terminate file list. */
402: (*argvp)[1] = NULL;
1.1 deraadt 403: }
404:
405: static void
1.13 deraadt 406: odprecede(void)
1.1 deraadt 407: {
408: static int first = 1;
409:
410: if (first) {
411: first = 0;
412: add("\"%07.7_Ao\n\"");
413: add("\"%07.7_ao \"");
414: } else
415: add("\" \"");
416: }