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 #include "php.h"
32
33 #include "file.h"
34
35 #ifndef lint
36 FILE_RCSID("@(#)$File: print.c,v 1.82 2017/02/10 18:14:01 christos Exp $")
37 #endif /* lint */
38
39 #include <string.h>
40 #include <stdarg.h>
41 #include <stdlib.h>
42 #ifdef HAVE_UNISTD_H
43 #include <unistd.h>
44 #endif
45 #include <time.h>
46
47 #define SZOF(a) (sizeof(a) / sizeof(a[0]))
48
49 #include "cdf.h"
50
51 #ifndef COMPILE_ONLY
52 protected void
file_mdump(struct magic * m)53 file_mdump(struct magic *m)
54 {
55 static const char optyp[] = { FILE_OPS };
56 char tbuf[26];
57
58 (void) fprintf(stderr, "%u: %.*s %u", m->lineno,
59 (m->cont_level & 7) + 1, ">>>>>>>>", m->offset);
60
61 if (m->flag & INDIR) {
62 (void) fprintf(stderr, "(%s,",
63 /* Note: type is unsigned */
64 (m->in_type < file_nnames) ? file_names[m->in_type] :
65 "*bad in_type*");
66 if (m->in_op & FILE_OPINVERSE)
67 (void) fputc('~', stderr);
68 (void) fprintf(stderr, "%c%u),",
69 ((size_t)(m->in_op & FILE_OPS_MASK) <
70 SZOF(optyp)) ? optyp[m->in_op & FILE_OPS_MASK] : '?',
71 m->in_offset);
72 }
73 (void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
74 /* Note: type is unsigned */
75 (m->type < file_nnames) ? file_names[m->type] : "*bad type");
76 if (m->mask_op & FILE_OPINVERSE)
77 (void) fputc('~', stderr);
78
79 if (IS_LIBMAGIC_STRING(m->type)) {
80 if (m->str_flags) {
81 (void) fputc('/', stderr);
82 if (m->str_flags & STRING_COMPACT_WHITESPACE)
83 (void) fputc(CHAR_COMPACT_WHITESPACE, stderr);
84 if (m->str_flags & STRING_COMPACT_OPTIONAL_WHITESPACE)
85 (void) fputc(CHAR_COMPACT_OPTIONAL_WHITESPACE,
86 stderr);
87 if (m->str_flags & STRING_IGNORE_LOWERCASE)
88 (void) fputc(CHAR_IGNORE_LOWERCASE, stderr);
89 if (m->str_flags & STRING_IGNORE_UPPERCASE)
90 (void) fputc(CHAR_IGNORE_UPPERCASE, stderr);
91 if (m->str_flags & REGEX_OFFSET_START)
92 (void) fputc(CHAR_REGEX_OFFSET_START, stderr);
93 if (m->str_flags & STRING_TEXTTEST)
94 (void) fputc(CHAR_TEXTTEST, stderr);
95 if (m->str_flags & STRING_BINTEST)
96 (void) fputc(CHAR_BINTEST, stderr);
97 if (m->str_flags & PSTRING_1_BE)
98 (void) fputc(CHAR_PSTRING_1_BE, stderr);
99 if (m->str_flags & PSTRING_2_BE)
100 (void) fputc(CHAR_PSTRING_2_BE, stderr);
101 if (m->str_flags & PSTRING_2_LE)
102 (void) fputc(CHAR_PSTRING_2_LE, stderr);
103 if (m->str_flags & PSTRING_4_BE)
104 (void) fputc(CHAR_PSTRING_4_BE, stderr);
105 if (m->str_flags & PSTRING_4_LE)
106 (void) fputc(CHAR_PSTRING_4_LE, stderr);
107 if (m->str_flags & PSTRING_LENGTH_INCLUDES_ITSELF)
108 (void) fputc(
109 CHAR_PSTRING_LENGTH_INCLUDES_ITSELF,
110 stderr);
111 }
112 if (m->str_range)
113 (void) fprintf(stderr, "/%u", m->str_range);
114 }
115 else {
116 if ((size_t)(m->mask_op & FILE_OPS_MASK) < SZOF(optyp))
117 (void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr);
118 else
119 (void) fputc('?', stderr);
120
121 if (m->num_mask) {
122 (void) fprintf(stderr, "%.8llx",
123 (unsigned long long)m->num_mask);
124 }
125 }
126 (void) fprintf(stderr, ",%c", m->reln);
127
128 if (m->reln != 'x') {
129 switch (m->type) {
130 case FILE_BYTE:
131 case FILE_SHORT:
132 case FILE_LONG:
133 case FILE_LESHORT:
134 case FILE_LELONG:
135 case FILE_MELONG:
136 case FILE_BESHORT:
137 case FILE_BELONG:
138 case FILE_INDIRECT:
139 (void) fprintf(stderr, "%d", m->value.l);
140 break;
141 case FILE_BEQUAD:
142 case FILE_LEQUAD:
143 case FILE_QUAD:
144 (void) fprintf(stderr, "%" INT64_T_FORMAT "d",
145 (unsigned long long)m->value.q);
146 break;
147 case FILE_PSTRING:
148 case FILE_STRING:
149 case FILE_REGEX:
150 case FILE_BESTRING16:
151 case FILE_LESTRING16:
152 case FILE_SEARCH:
153 file_showstr(stderr, m->value.s, (size_t)m->vallen);
154 break;
155 case FILE_DATE:
156 case FILE_LEDATE:
157 case FILE_BEDATE:
158 case FILE_MEDATE:
159 (void)fprintf(stderr, "%s,",
160 file_fmttime(m->value.l, 0, tbuf));
161 break;
162 case FILE_LDATE:
163 case FILE_LELDATE:
164 case FILE_BELDATE:
165 case FILE_MELDATE:
166 (void)fprintf(stderr, "%s,",
167 file_fmttime(m->value.l, FILE_T_LOCAL, tbuf));
168 break;
169 case FILE_QDATE:
170 case FILE_LEQDATE:
171 case FILE_BEQDATE:
172 (void)fprintf(stderr, "%s,",
173 file_fmttime(m->value.q, 0, tbuf));
174 break;
175 case FILE_QLDATE:
176 case FILE_LEQLDATE:
177 case FILE_BEQLDATE:
178 (void)fprintf(stderr, "%s,",
179 file_fmttime(m->value.q, FILE_T_LOCAL, tbuf));
180 break;
181 case FILE_QWDATE:
182 case FILE_LEQWDATE:
183 case FILE_BEQWDATE:
184 (void)fprintf(stderr, "%s,",
185 file_fmttime(m->value.q, FILE_T_WINDOWS, tbuf));
186 break;
187 case FILE_FLOAT:
188 case FILE_BEFLOAT:
189 case FILE_LEFLOAT:
190 (void) fprintf(stderr, "%G", m->value.f);
191 break;
192 case FILE_DOUBLE:
193 case FILE_BEDOUBLE:
194 case FILE_LEDOUBLE:
195 (void) fprintf(stderr, "%G", m->value.d);
196 break;
197 case FILE_DEFAULT:
198 /* XXX - do anything here? */
199 break;
200 case FILE_USE:
201 case FILE_NAME:
202 case FILE_DER:
203 (void) fprintf(stderr, "'%s'", m->value.s);
204 break;
205 default:
206 (void) fprintf(stderr, "*bad type %d*", m->type);
207 break;
208 }
209 }
210 (void) fprintf(stderr, ",\"%s\"]\n", m->desc);
211 }
212 #endif
213
214 /*VARARGS*/
215 protected void
file_magwarn(struct magic_set * ms,const char * f,...)216 file_magwarn(struct magic_set *ms, const char *f, ...)
217 {
218 va_list va;
219 char *expanded_format = NULL;
220 int expanded_len;
221
222 va_start(va, f);
223 expanded_len = vasprintf(&expanded_format, f, va);
224 va_end(va);
225
226 if (expanded_len >= 0 && expanded_format) {
227 php_error_docref(NULL, E_NOTICE, "Warning: %s", expanded_format);
228
229 free(expanded_format);
230 }
231 }
232
233 protected const char *
file_fmttime(uint64_t v,int flags,char * buf)234 file_fmttime(uint64_t v, int flags, char *buf)
235 {
236 char *pp;
237 time_t t;
238 struct tm *tm, tmz;
239
240 if (flags & FILE_T_WINDOWS) {
241 struct timespec ts;
242 cdf_timestamp_to_timespec(&ts, CAST(cdf_timestamp_t, v));
243 t = ts.tv_sec;
244 } else {
245 // XXX: perhaps detect and print something if overflow
246 // on 32 bit time_t?
247 t = (time_t)v;
248 }
249
250 if (flags & FILE_T_LOCAL) {
251 tm = php_localtime_r(&t, &tmz);
252 } else {
253 tm = php_gmtime_r(&t, &tmz);
254 }
255 if (tm == NULL)
256 goto out;
257 pp = php_asctime_r(tm, buf);
258
259 if (pp == NULL)
260 goto out;
261 pp[strcspn(pp, "\n")] = '\0';
262 return pp;
263 out:
264 return strcpy(buf, "*Invalid time*");
265 }
266
