1 /* $NetBSD: print.c,v 1.4 2012/02/22 17:53:51 christos Exp $ */ 2 3 /* 4 * Copyright (c) Ian F. Darwin 1986-1995. 5 * Software written by Ian F. Darwin and others; 6 * maintained 1995-present by Christos Zoulas and others. 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 immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 /* 31 * print.c - debugging printout routines 32 */ 33 34 #include "file.h" 35 36 #ifndef lint 37 #if 0 38 FILE_RCSID("@(#)$File: print.c,v 1.71 2011/09/20 15:28:09 christos Exp $") 39 #else 40 __RCSID("$NetBSD: print.c,v 1.4 2012/02/22 17:53:51 christos Exp $"); 41 #endif 42 #endif /* lint */ 43 44 #include <string.h> 45 #include <stdarg.h> 46 #include <stdlib.h> 47 #ifdef HAVE_UNISTD_H 48 #include <unistd.h> 49 #endif 50 #include <time.h> 51 52 #define SZOF(a) (sizeof(a) / sizeof(a[0])) 53 54 #ifndef COMPILE_ONLY 55 protected void 56 file_mdump(struct magic *m) 57 { 58 private const char optyp[] = { FILE_OPS }; 59 60 (void) fprintf(stderr, "%u: %.*s %u", m->lineno, 61 (m->cont_level & 7) + 1, ">>>>>>>>", m->offset); 62 63 if (m->flag & INDIR) { 64 (void) fprintf(stderr, "(%s,", 65 /* Note: type is unsigned */ 66 (m->in_type < file_nnames) ? 67 file_names[m->in_type] : "*bad*"); 68 if (m->in_op & FILE_OPINVERSE) 69 (void) fputc('~', stderr); 70 (void) fprintf(stderr, "%c%u),", 71 ((size_t)(m->in_op & FILE_OPS_MASK) < 72 SZOF(optyp)) ? 73 optyp[m->in_op & FILE_OPS_MASK] : '?', 74 m->in_offset); 75 } 76 (void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "", 77 /* Note: type is unsigned */ 78 (m->type < file_nnames) ? file_names[m->type] : "*bad*"); 79 if (m->mask_op & FILE_OPINVERSE) 80 (void) fputc('~', stderr); 81 82 if (IS_STRING(m->type)) { 83 if (m->str_flags) { 84 (void) fputc('/', stderr); 85 if (m->str_flags & STRING_COMPACT_WHITESPACE) 86 (void) fputc(CHAR_COMPACT_WHITESPACE, stderr); 87 if (m->str_flags & STRING_COMPACT_OPTIONAL_WHITESPACE) 88 (void) fputc(CHAR_COMPACT_OPTIONAL_WHITESPACE, 89 stderr); 90 if (m->str_flags & STRING_IGNORE_LOWERCASE) 91 (void) fputc(CHAR_IGNORE_LOWERCASE, stderr); 92 if (m->str_flags & STRING_IGNORE_UPPERCASE) 93 (void) fputc(CHAR_IGNORE_UPPERCASE, stderr); 94 if (m->str_flags & REGEX_OFFSET_START) 95 (void) fputc(CHAR_REGEX_OFFSET_START, stderr); 96 if (m->str_flags & STRING_TEXTTEST) 97 (void) fputc(CHAR_TEXTTEST, stderr); 98 if (m->str_flags & STRING_BINTEST) 99 (void) fputc(CHAR_BINTEST, stderr); 100 if (m->str_flags & PSTRING_1_BE) 101 (void) fputc(CHAR_PSTRING_1_BE, stderr); 102 if (m->str_flags & PSTRING_2_BE) 103 (void) fputc(CHAR_PSTRING_2_BE, stderr); 104 if (m->str_flags & PSTRING_2_LE) 105 (void) fputc(CHAR_PSTRING_2_LE, stderr); 106 if (m->str_flags & PSTRING_4_BE) 107 (void) fputc(CHAR_PSTRING_4_BE, stderr); 108 if (m->str_flags & PSTRING_4_LE) 109 (void) fputc(CHAR_PSTRING_4_LE, stderr); 110 if (m->str_flags & PSTRING_LENGTH_INCLUDES_ITSELF) 111 (void) fputc( 112 CHAR_PSTRING_LENGTH_INCLUDES_ITSELF, 113 stderr); 114 } 115 if (m->str_range) 116 (void) fprintf(stderr, "/%u", m->str_range); 117 } 118 else { 119 if ((size_t)(m->mask_op & FILE_OPS_MASK) < SZOF(optyp)) 120 (void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr); 121 else 122 (void) fputc('?', stderr); 123 124 if (m->num_mask) { 125 (void) fprintf(stderr, "%.8llx", 126 (unsigned long long)m->num_mask); 127 } 128 } 129 (void) fprintf(stderr, ",%c", m->reln); 130 131 if (m->reln != 'x') { 132 switch (m->type) { 133 case FILE_BYTE: 134 case FILE_SHORT: 135 case FILE_LONG: 136 case FILE_LESHORT: 137 case FILE_LELONG: 138 case FILE_MELONG: 139 case FILE_BESHORT: 140 case FILE_BELONG: 141 (void) fprintf(stderr, "%d", m->value.l); 142 break; 143 case FILE_BEQUAD: 144 case FILE_LEQUAD: 145 case FILE_QUAD: 146 (void) fprintf(stderr, "%" INT64_T_FORMAT "d", 147 (unsigned long long)m->value.q); 148 break; 149 case FILE_PSTRING: 150 case FILE_STRING: 151 case FILE_REGEX: 152 case FILE_BESTRING16: 153 case FILE_LESTRING16: 154 case FILE_SEARCH: 155 file_showstr(stderr, m->value.s, (size_t)m->vallen); 156 break; 157 case FILE_DATE: 158 case FILE_LEDATE: 159 case FILE_BEDATE: 160 case FILE_MEDATE: 161 (void)fprintf(stderr, "%s,", 162 file_fmttime(m->value.l, 1)); 163 break; 164 case FILE_LDATE: 165 case FILE_LELDATE: 166 case FILE_BELDATE: 167 case FILE_MELDATE: 168 (void)fprintf(stderr, "%s,", 169 file_fmttime(m->value.l, 0)); 170 break; 171 case FILE_QDATE: 172 case FILE_LEQDATE: 173 case FILE_BEQDATE: 174 (void)fprintf(stderr, "%s,", 175 file_fmttime((uint32_t)m->value.q, 1)); 176 break; 177 case FILE_QLDATE: 178 case FILE_LEQLDATE: 179 case FILE_BEQLDATE: 180 (void)fprintf(stderr, "%s,", 181 file_fmttime((uint32_t)m->value.q, 0)); 182 break; 183 case FILE_FLOAT: 184 case FILE_BEFLOAT: 185 case FILE_LEFLOAT: 186 (void) fprintf(stderr, "%G", m->value.f); 187 break; 188 case FILE_DOUBLE: 189 case FILE_BEDOUBLE: 190 case FILE_LEDOUBLE: 191 (void) fprintf(stderr, "%G", m->value.d); 192 break; 193 case FILE_DEFAULT: 194 /* XXX - do anything here? */ 195 break; 196 default: 197 (void) fputs("*bad*", stderr); 198 break; 199 } 200 } 201 (void) fprintf(stderr, ",\"%s\"]\n", m->desc); 202 } 203 #endif 204 205 /*VARARGS*/ 206 protected void 207 file_magwarn(struct magic_set *ms, const char *f, ...) 208 { 209 va_list va; 210 211 /* cuz we use stdout for most, stderr here */ 212 (void) fflush(stdout); 213 214 if (ms->file) 215 (void) fprintf(stderr, "%s, %lu: ", ms->file, 216 (unsigned long)ms->line); 217 (void) fprintf(stderr, "Warning: "); 218 va_start(va, f); 219 (void) vfprintf(stderr, f, va); 220 va_end(va); 221 (void) fputc('\n', stderr); 222 } 223 224 protected const char * 225 file_fmttime(uint32_t v, int local) 226 { 227 char *pp; 228 time_t t = (time_t)v; 229 struct tm *tm; 230 231 if (local) { 232 pp = ctime(&t); 233 } else { 234 #ifndef HAVE_DAYLIGHT 235 private int daylight = 0; 236 #ifdef HAVE_TM_ISDST 237 private time_t now = (time_t)0; 238 239 if (now == (time_t)0) { 240 struct tm *tm1; 241 (void)time(&now); 242 tm1 = localtime(&now); 243 if (tm1 == NULL) 244 goto out; 245 daylight = tm1->tm_isdst; 246 } 247 #endif /* HAVE_TM_ISDST */ 248 #endif /* HAVE_DAYLIGHT */ 249 if (daylight) 250 t += 3600; 251 tm = gmtime(&t); 252 if (tm == NULL) 253 goto out; 254 pp = asctime(tm); 255 } 256 257 if (pp == NULL) 258 goto out; 259 pp[strcspn(pp, "\n")] = '\0'; 260 return pp; 261 out: 262 return "*Invalid time*"; 263 } 264