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 1.85 2019/03/12 20:43:05 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 (CAST(size_t, m->in_op & FILE_OPS_MASK) <
70 __arraycount(optyp)) ?
71 optyp[m->in_op & FILE_OPS_MASK] : '?', 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 (CAST(size_t, m->mask_op & FILE_OPS_MASK) <
117 __arraycount(optyp))
118 (void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr);
119 else
120 (void) fputc('?', stderr);
121
122 if (m->num_mask) {
123 (void) fprintf(stderr, "%.8llx",
124 CAST(unsigned long long, m->num_mask));
125 }
126 }
127 (void) fprintf(stderr, ",%c", m->reln);
128
129 if (m->reln != 'x') {
130 switch (m->type) {
131 case FILE_BYTE:
132 case FILE_SHORT:
133 case FILE_LONG:
134 case FILE_LESHORT:
135 case FILE_LELONG:
136 case FILE_MELONG:
137 case FILE_BESHORT:
138 case FILE_BELONG:
139 case FILE_INDIRECT:
140 (void) fprintf(stderr, "%d", m->value.l);
141 break;
142 case FILE_BEQUAD:
143 case FILE_LEQUAD:
144 case FILE_QUAD:
145 (void) fprintf(stderr, "%" INT64_T_FORMAT "d",
146 CAST(long long, m->value.q));
147 break;
148 case FILE_PSTRING:
149 case FILE_STRING:
150 case FILE_REGEX:
151 case FILE_BESTRING16:
152 case FILE_LESTRING16:
153 case FILE_SEARCH:
154 file_showstr(stderr, m->value.s,
155 CAST(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, 0, tbuf));
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, FILE_T_LOCAL, tbuf));
170 break;
171 case FILE_QDATE:
172 case FILE_LEQDATE:
173 case FILE_BEQDATE:
174 (void)fprintf(stderr, "%s,",
175 file_fmttime(m->value.q, 0, tbuf));
176 break;
177 case FILE_QLDATE:
178 case FILE_LEQLDATE:
179 case FILE_BEQLDATE:
180 (void)fprintf(stderr, "%s,",
181 file_fmttime(m->value.q, FILE_T_LOCAL, tbuf));
182 break;
183 case FILE_QWDATE:
184 case FILE_LEQWDATE:
185 case FILE_BEQWDATE:
186 (void)fprintf(stderr, "%s,",
187 file_fmttime(m->value.q, FILE_T_WINDOWS, tbuf));
188 break;
189 case FILE_FLOAT:
190 case FILE_BEFLOAT:
191 case FILE_LEFLOAT:
192 (void) fprintf(stderr, "%G", m->value.f);
193 break;
194 case FILE_DOUBLE:
195 case FILE_BEDOUBLE:
196 case FILE_LEDOUBLE:
197 (void) fprintf(stderr, "%G", m->value.d);
198 break;
199 case FILE_DEFAULT:
200 /* XXX - do anything here? */
201 break;
202 case FILE_USE:
203 case FILE_NAME:
204 case FILE_DER:
205 (void) fprintf(stderr, "'%s'", m->value.s);
206 break;
207 default:
208 (void) fprintf(stderr, "*bad type %d*", m->type);
209 break;
210 }
211 }
212 (void) fprintf(stderr, ",\"%s\"]\n", m->desc);
213 }
214 #endif
215
216 /*VARARGS*/
217 protected void
file_magwarn(struct magic_set * ms,const char * f,...)218 file_magwarn(struct magic_set *ms, const char *f, ...)
219 {
220 va_list va;
221 char *expanded_format = NULL;
222 int expanded_len;
223
224 va_start(va, f);
225 expanded_len = vasprintf(&expanded_format, f, va);
226 va_end(va);
227
228 if (expanded_len >= 0 && expanded_format) {
229 php_error_docref(NULL, E_NOTICE, "Warning: %s", expanded_format);
230
231 free(expanded_format);
232 }
233 }
234
235 protected const char *
file_fmttime(uint64_t v,int flags,char * buf)236 file_fmttime(uint64_t v, int flags, char *buf)
237 {
238 char *pp;
239 time_t t;
240 struct tm *tm, tmz;
241
242 if (flags & FILE_T_WINDOWS) {
243 struct timespec ts;
244 cdf_timestamp_to_timespec(&ts, CAST(cdf_timestamp_t, v));
245 t = ts.tv_sec;
246 } else {
247 // XXX: perhaps detect and print something if overflow
248 // on 32 bit time_t?
249 t = CAST(time_t, v);
250 }
251
252 if (flags & FILE_T_LOCAL) {
253 tm = php_localtime_r(&t, &tmz);
254 } else {
255 tm = php_gmtime_r(&t, &tmz);
256 }
257 if (tm == NULL)
258 goto out;
259 pp = php_asctime_r(tm, buf);
260
261 if (pp == NULL)
262 goto out;
263 pp[strcspn(pp, "\n")] = '\0';
264 return pp;
265 out:
266 return strcpy(buf, "*Invalid time*");
267 }
268
