print.c revision 191771
1/* 2 * Copyright (c) Ian F. Darwin 1986-1995. 3 * Software written by Ian F. Darwin and others; 4 * maintained 1995-present by Christos Zoulas and others. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice immediately at the beginning of the file, without modification, 11 * this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28/* 29 * print.c - debugging printout routines 30 */ 31 32#include "file.h" 33 34#ifndef lint 35FILE_RCSID("@(#)$File: print.c,v 1.66 2009/02/03 20:27:51 christos Exp $") 36#endif /* lint */ 37 38#include <string.h> 39#include <stdarg.h> 40#include <stdlib.h> 41#ifdef HAVE_UNISTD_H 42#include <unistd.h> 43#endif 44#include <time.h> 45 46#define SZOF(a) (sizeof(a) / sizeof(a[0])) 47 48#ifndef COMPILE_ONLY 49protected void 50file_mdump(struct magic *m) 51{ 52 private const char optyp[] = { FILE_OPS }; 53 54 (void) fprintf(stderr, "[%u", m->lineno); 55 (void) fprintf(stderr, ">>>>>>>> %u" + 8 - (m->cont_level & 7), 56 m->offset); 57 58 if (m->flag & INDIR) { 59 (void) fprintf(stderr, "(%s,", 60 /* Note: type is unsigned */ 61 (m->in_type < file_nnames) ? 62 file_names[m->in_type] : "*bad*"); 63 if (m->in_op & FILE_OPINVERSE) 64 (void) fputc('~', stderr); 65 (void) fprintf(stderr, "%c%u),", 66 ((size_t)(m->in_op & FILE_OPS_MASK) < 67 SZOF(optyp)) ? 68 optyp[m->in_op & FILE_OPS_MASK] : '?', 69 m->in_offset); 70 } 71 (void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "", 72 /* Note: type is unsigned */ 73 (m->type < file_nnames) ? file_names[m->type] : "*bad*"); 74 if (m->mask_op & FILE_OPINVERSE) 75 (void) fputc('~', stderr); 76 77 if (IS_STRING(m->type)) { 78 if (m->str_flags) { 79 (void) fputc('/', stderr); 80 if (m->str_flags & STRING_COMPACT_BLANK) 81 (void) fputc(CHAR_COMPACT_BLANK, stderr); 82 if (m->str_flags & STRING_COMPACT_OPTIONAL_BLANK) 83 (void) fputc(CHAR_COMPACT_OPTIONAL_BLANK, 84 stderr); 85 if (m->str_flags & STRING_IGNORE_LOWERCASE) 86 (void) fputc(CHAR_IGNORE_LOWERCASE, stderr); 87 if (m->str_flags & STRING_IGNORE_UPPERCASE) 88 (void) fputc(CHAR_IGNORE_UPPERCASE, stderr); 89 if (m->str_flags & REGEX_OFFSET_START) 90 (void) fputc(CHAR_REGEX_OFFSET_START, stderr); 91 } 92 if (m->str_range) 93 (void) fprintf(stderr, "/%u", m->str_range); 94 } 95 else { 96 if ((size_t)(m->mask_op & FILE_OPS_MASK) < SZOF(optyp)) 97 (void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr); 98 else 99 (void) fputc('?', stderr); 100 101 if (m->num_mask) { 102 (void) fprintf(stderr, "%.8llx", 103 (unsigned long long)m->num_mask); 104 } 105 } 106 (void) fprintf(stderr, ",%c", m->reln); 107 108 if (m->reln != 'x') { 109 switch (m->type) { 110 case FILE_BYTE: 111 case FILE_SHORT: 112 case FILE_LONG: 113 case FILE_LESHORT: 114 case FILE_LELONG: 115 case FILE_MELONG: 116 case FILE_BESHORT: 117 case FILE_BELONG: 118 (void) fprintf(stderr, "%d", m->value.l); 119 break; 120 case FILE_BEQUAD: 121 case FILE_LEQUAD: 122 case FILE_QUAD: 123 (void) fprintf(stderr, "%lld", 124 (unsigned long long)m->value.q); 125 break; 126 case FILE_PSTRING: 127 case FILE_STRING: 128 case FILE_REGEX: 129 case FILE_BESTRING16: 130 case FILE_LESTRING16: 131 case FILE_SEARCH: 132 file_showstr(stderr, m->value.s, (size_t)m->vallen); 133 break; 134 case FILE_DATE: 135 case FILE_LEDATE: 136 case FILE_BEDATE: 137 case FILE_MEDATE: 138 (void)fprintf(stderr, "%s,", 139 file_fmttime(m->value.l, 1)); 140 break; 141 case FILE_LDATE: 142 case FILE_LELDATE: 143 case FILE_BELDATE: 144 case FILE_MELDATE: 145 (void)fprintf(stderr, "%s,", 146 file_fmttime(m->value.l, 0)); 147 break; 148 case FILE_QDATE: 149 case FILE_LEQDATE: 150 case FILE_BEQDATE: 151 (void)fprintf(stderr, "%s,", 152 file_fmttime((uint32_t)m->value.q, 1)); 153 break; 154 case FILE_QLDATE: 155 case FILE_LEQLDATE: 156 case FILE_BEQLDATE: 157 (void)fprintf(stderr, "%s,", 158 file_fmttime((uint32_t)m->value.q, 0)); 159 break; 160 case FILE_FLOAT: 161 case FILE_BEFLOAT: 162 case FILE_LEFLOAT: 163 (void) fprintf(stderr, "%G", m->value.f); 164 break; 165 case FILE_DOUBLE: 166 case FILE_BEDOUBLE: 167 case FILE_LEDOUBLE: 168 (void) fprintf(stderr, "%G", m->value.d); 169 break; 170 case FILE_DEFAULT: 171 /* XXX - do anything here? */ 172 break; 173 default: 174 (void) fputs("*bad*", stderr); 175 break; 176 } 177 } 178 (void) fprintf(stderr, ",\"%s\"]\n", m->desc); 179} 180#endif 181 182/*VARARGS*/ 183protected void 184file_magwarn(struct magic_set *ms, const char *f, ...) 185{ 186 va_list va; 187 188 /* cuz we use stdout for most, stderr here */ 189 (void) fflush(stdout); 190 191 if (ms->file) 192 (void) fprintf(stderr, "%s, %lu: ", ms->file, 193 (unsigned long)ms->line); 194 (void) fprintf(stderr, "Warning: "); 195 va_start(va, f); 196 (void) vfprintf(stderr, f, va); 197 va_end(va); 198 (void) fputc('\n', stderr); 199} 200 201protected const char * 202file_fmttime(uint32_t v, int local) 203{ 204 char *pp; 205 time_t t = (time_t)v; 206 struct tm *tm; 207 208 if (local) { 209 pp = ctime(&t); 210 } else { 211#ifndef HAVE_DAYLIGHT 212 private int daylight = 0; 213#ifdef HAVE_TM_ISDST 214 private time_t now = (time_t)0; 215 216 if (now == (time_t)0) { 217 struct tm *tm1; 218 (void)time(&now); 219 tm1 = localtime(&now); 220 if (tm1 == NULL) 221 return "*Invalid time*"; 222 daylight = tm1->tm_isdst; 223 } 224#endif /* HAVE_TM_ISDST */ 225#endif /* HAVE_DAYLIGHT */ 226 if (daylight) 227 t += 3600; 228 tm = gmtime(&t); 229 if (tm == NULL) 230 return "*Invalid time*"; 231 pp = asctime(tm); 232 } 233 234 pp[strcspn(pp, "\n")] = '\0'; 235 return pp; 236} 237