Annotation of src/usr.bin/file/print.c, Revision 1.16
1.16 ! deraadt 1: /* $OpenBSD: print.c,v 1.15 2009/04/24 18:54:34 chl Exp $ */
1.1 deraadt 2: /*
1.9 ian 3: * Copyright (c) Ian F. Darwin 1986-1995.
4: * Software written by Ian F. Darwin and others;
5: * maintained 1995-present by Christos Zoulas and others.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice immediately at the beginning of the file, without modification,
12: * 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.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
1.1 deraadt 28: */
1.11 tedu 29: /*
30: * print.c - debugging printout routines
31: */
1.1 deraadt 32:
1.11 tedu 33: #include "file.h"
1.1 deraadt 34: #include <stdio.h>
35: #include <errno.h>
36: #include <string.h>
1.7 millert 37: #include <stdarg.h>
1.1 deraadt 38: #include <stdlib.h>
1.11 tedu 39: #ifdef HAVE_UNISTD_H
1.1 deraadt 40: #include <unistd.h>
1.11 tedu 41: #endif
1.1 deraadt 42: #include <time.h>
43:
44: #define SZOF(a) (sizeof(a) / sizeof(a[0]))
45:
1.11 tedu 46: #ifndef COMPILE_ONLY
47: protected void
48: file_mdump(struct magic *m)
1.1 deraadt 49: {
1.14 chl 50: private const char optyp[] = { FILE_OPS };
51:
52: (void) fprintf(stderr, "[%u", m->lineno);
53: (void) fprintf(stderr, ">>>>>>>> %u" + 8 - (m->cont_level & 7),
1.1 deraadt 54: m->offset);
55:
1.11 tedu 56: if (m->flag & INDIR) {
57: (void) fprintf(stderr, "(%s,",
58: /* Note: type is unsigned */
1.14 chl 59: (m->in_type < file_nnames) ?
60: file_names[m->in_type] : "*bad*");
1.11 tedu 61: if (m->in_op & FILE_OPINVERSE)
62: (void) fputc('~', stderr);
1.14 chl 63: (void) fprintf(stderr, "%c%u),",
64: ((m->in_op & FILE_OPS_MASK) < SZOF(optyp)) ?
65: optyp[m->in_op & FILE_OPS_MASK] : '?',
1.11 tedu 66: m->in_offset);
67: }
1.1 deraadt 68: (void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
1.11 tedu 69: /* Note: type is unsigned */
1.14 chl 70: (m->type < file_nnames) ? file_names[m->type] : "*bad*");
1.11 tedu 71: if (m->mask_op & FILE_OPINVERSE)
72: (void) fputc('~', stderr);
1.14 chl 73:
74: if (IS_STRING(m->type)) {
75: if (m->str_flags) {
76: (void) fputc('/', stderr);
77: if (m->str_flags & STRING_COMPACT_BLANK)
1.11 tedu 78: (void) fputc(CHAR_COMPACT_BLANK, stderr);
1.14 chl 79: if (m->str_flags & STRING_COMPACT_OPTIONAL_BLANK)
1.11 tedu 80: (void) fputc(CHAR_COMPACT_OPTIONAL_BLANK,
1.14 chl 81: stderr);
82: if (m->str_flags & STRING_IGNORE_LOWERCASE)
83: (void) fputc(CHAR_IGNORE_LOWERCASE, stderr);
84: if (m->str_flags & STRING_IGNORE_UPPERCASE)
85: (void) fputc(CHAR_IGNORE_UPPERCASE, stderr);
86: if (m->str_flags & REGEX_OFFSET_START)
87: (void) fputc(CHAR_REGEX_OFFSET_START, stderr);
88: }
1.15 chl 89: if (m->str_range)
90: (void) fprintf(stderr, "/%u", m->str_range);
1.14 chl 91: }
92: else {
93: if ((m->mask_op & FILE_OPS_MASK) < SZOF(optyp))
94: (void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr);
95: else
96: (void) fputc('?', stderr);
97:
98: if (m->num_mask) {
99: (void) fprintf(stderr, "%.8llx",
100: (unsigned long long)m->num_mask);
1.11 tedu 101: }
102: }
1.1 deraadt 103: (void) fprintf(stderr, ",%c", m->reln);
104:
105: if (m->reln != 'x') {
1.11 tedu 106: switch (m->type) {
107: case FILE_BYTE:
108: case FILE_SHORT:
109: case FILE_LONG:
110: case FILE_LESHORT:
111: case FILE_LELONG:
1.14 chl 112: case FILE_MELONG:
1.11 tedu 113: case FILE_BESHORT:
114: case FILE_BELONG:
115: (void) fprintf(stderr, "%d", m->value.l);
116: break;
1.14 chl 117: case FILE_BEQUAD:
118: case FILE_LEQUAD:
119: case FILE_QUAD:
120: (void) fprintf(stderr, "%lld",
121: (unsigned long long)m->value.q);
122: break;
123: case FILE_PSTRING:
1.11 tedu 124: case FILE_STRING:
125: case FILE_REGEX:
1.14 chl 126: case FILE_BESTRING16:
127: case FILE_LESTRING16:
128: case FILE_SEARCH:
129: file_showstr(stderr, m->value.s, (size_t)m->vallen);
1.11 tedu 130: break;
131: case FILE_DATE:
132: case FILE_LEDATE:
133: case FILE_BEDATE:
1.14 chl 134: case FILE_MEDATE:
1.11 tedu 135: (void)fprintf(stderr, "%s,",
136: file_fmttime(m->value.l, 1));
137: break;
138: case FILE_LDATE:
139: case FILE_LELDATE:
140: case FILE_BELDATE:
1.14 chl 141: case FILE_MELDATE:
1.11 tedu 142: (void)fprintf(stderr, "%s,",
143: file_fmttime(m->value.l, 0));
144: break;
1.14 chl 145: case FILE_QDATE:
146: case FILE_LEQDATE:
147: case FILE_BEQDATE:
148: (void)fprintf(stderr, "%s,",
149: file_fmttime((uint32_t)m->value.q, 1));
150: break;
151: case FILE_QLDATE:
152: case FILE_LEQLDATE:
153: case FILE_BEQLDATE:
154: (void)fprintf(stderr, "%s,",
155: file_fmttime((uint32_t)m->value.q, 0));
156: break;
1.15 chl 157: case FILE_FLOAT:
158: case FILE_BEFLOAT:
159: case FILE_LEFLOAT:
160: (void) fprintf(stderr, "%G", m->value.f);
161: break;
162: case FILE_DOUBLE:
163: case FILE_BEDOUBLE:
164: case FILE_LEDOUBLE:
165: (void) fprintf(stderr, "%G", m->value.d);
166: break;
1.14 chl 167: case FILE_DEFAULT:
168: /* XXX - do anything here? */
169: break;
1.11 tedu 170: default:
171: (void) fputs("*bad*", stderr);
172: break;
173: }
1.1 deraadt 174: }
175: (void) fprintf(stderr, ",\"%s\"]\n", m->desc);
1.8 ian 176: }
1.11 tedu 177: #endif
1.8 ian 178:
1.11 tedu 179: /*VARARGS*/
180: protected void
1.14 chl 181: file_magwarn(struct magic_set *ms, const char *f, ...)
1.8 ian 182: {
183: va_list va;
1.11 tedu 184:
185: /* cuz we use stdout for most, stderr here */
186: (void) fflush(stdout);
1.1 deraadt 187:
1.15 chl 188: if (ms->file)
189: (void) fprintf(stderr, "%s, %lu: ", ms->file,
190: (unsigned long)ms->line);
191: (void) fprintf(stderr, "Warning: ");
192: va_start(va, f);
1.11 tedu 193: (void) vfprintf(stderr, f, va);
194: va_end(va);
1.14 chl 195: (void) fputc('\n', stderr);
1.1 deraadt 196: }
197:
1.14 chl 198: protected const char *
1.11 tedu 199: file_fmttime(uint32_t v, int local)
1.1 deraadt 200: {
1.13 chl 201: char *pp;
1.11 tedu 202: time_t t = (time_t)v;
203: struct tm *tm;
204:
205: if (local) {
206: pp = ctime(&t);
207: } else {
208: #ifndef HAVE_DAYLIGHT
209: private int daylight = 0;
210: #ifdef HAVE_TM_ISDST
211: private time_t now = (time_t)0;
212:
213: if (now == (time_t)0) {
214: struct tm *tm1;
215: (void)time(&now);
216: tm1 = localtime(&now);
1.14 chl 217: if (tm1 == NULL)
218: return "*Invalid time*";
1.11 tedu 219: daylight = tm1->tm_isdst;
220: }
221: #endif /* HAVE_TM_ISDST */
222: #endif /* HAVE_DAYLIGHT */
223: if (daylight)
224: t += 3600;
225: tm = gmtime(&t);
1.14 chl 226: if (tm == NULL)
227: return "*Invalid time*";
1.11 tedu 228: pp = asctime(tm);
229: }
1.7 millert 230:
1.12 gilles 231: pp[strcspn(pp, "\n")] = '\0';
1.11 tedu 232: return pp;
1.1 deraadt 233: }