1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
|
/* $Id: lukemftpd.h,v 1.16 2001/05/09 02:04:53 lukem Exp $ */
#define FTPD_VERSION "lukemftpd 1.1"
#include "config.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/wait.h>
#if HAVE_SYS_SYSMACROS_H
# include <sys/sysmacros.h>
#endif
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#if HAVE_FTP_NAMES
# include <arpa/ftp.h>
#else
# include "arpaftp.h"
#endif
#include <arpa/inet.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <grp.h>
#include <limits.h>
#include <locale.h>
#include <netdb.h>
#include <pwd.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <termios.h>
#include <unistd.h>
#include <utmp.h>
#if HAVE_DIRENT_H
# include <dirent.h>
#else
# define dirent direct
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#if HAVE_ERR_H
# include <err.h>
#endif
#if HAVE_WORKING_GLOB
# include <glob.h>
#else
# include "ftpglob.h"
#endif
#if HAVE_PATHS_H
# include <paths.h>
#endif
#ifndef _PATH_BSHELL
#define _PATH_BSHELL "/bin/sh"
#endif
#ifndef _PATH_CSHELL
#define _PATH_CSHELL "/bin/csh"
#endif
#ifndef _PATH_SHELLS
#define _PATH_SHELLS "/etc/shells"
#endif
#ifndef _PATH_DEVNULL
#define _PATH_DEVNULL "/dev/null"
#endif
#ifndef _PATH_NOLOGIN
#define _PATH_NOLOGIN "/etc/nologin"
#endif
#ifndef FTPD_LOGTYPE
# ifdef LOG_FTP
# define FTPD_LOGTYPE LOG_FTP
# else
# define FTPD_LOGTYPE LOG_DAEMON
# endif
#endif
#ifndef LOG_AUTHPRIV
# ifdef LOG_AUTH
# define LOG_AUTHPRIV LOG_AUTH
# else
# define LOG_AUTHPRIV LOG_DAEMON
# endif
#endif
typedef struct _stringlist {
char **sl_str;
size_t sl_max;
size_t sl_cur;
} StringList;
StringList *sl_init(void);
int sl_add(StringList *, char *);
void sl_free(StringList *, int);
char *sl_find(StringList *, char *);
#if HAVE_FTS_H
# include <fts.h>
#else
# include "ftpfts.h"
#endif
#if HAVE_UTIL_H
# include <util.h>
#endif
#if HAVE_LIBUTIL_H
# include <libutil.h>
#endif
#if ! HAVE_IN_PORT_T
typedef unsigned short in_port_t;
#endif
#if ! HAVE_SOCKLEN_T
typedef unsigned int socklen_t;
#endif
#if HAVE_AF_INET6 && HAVE_SOCKADDR_IN6
# define INET6
#endif
#if ! HAVE_RFC2553_NETDB
/* RFC 2553 */
#undef EAI_ADDRFAMILY
#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
#undef EAI_AGAIN
#define EAI_AGAIN 2 /* temporary failure in name resolution */
#undef EAI_BADFLAGS
#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
#undef EAI_FAIL
#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
#undef EAI_FAMILY
#define EAI_FAMILY 5 /* ai_family not supported */
#undef EAI_MEMORY
#define EAI_MEMORY 6 /* memory allocation failure */
#undef EAI_NODATA
#define EAI_NODATA 7 /* no address associated with hostname */
#undef EAI_NONAME
#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
#undef EAI_SERVICE
#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
#undef EAI_SOCKTYPE
#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
#undef EAI_SYSTEM
#define EAI_SYSTEM 11 /* system error returned in errno */
/* KAME extensions? */
#undef EAI_BADHINTS
#define EAI_BADHINTS 12
#undef EAI_PROTOCOL
#define EAI_PROTOCOL 13
#undef EAI_MAX
#define EAI_MAX 14
/* RFC 2553 */
#undef NI_MAXHOST
#define NI_MAXHOST 1025
#undef NI_MAXSERV
#define NI_MAXSERV 32
#undef NI_NOFQDN
#define NI_NOFQDN 0x00000001
#undef NI_NUMERICHOST
#define NI_NUMERICHOST 0x00000002
#undef NI_NAMEREQD
#define NI_NAMEREQD 0x00000004
#undef NI_NUMERICSERV
#define NI_NUMERICSERV 0x00000008
#undef NI_DGRAM
#define NI_DGRAM 0x00000010
/* RFC 2553 */
#undef AI_PASSIVE
#define AI_PASSIVE 0x00000001 /* get address to use bind() */
#undef AI_CANONNAME
#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
/* KAME extensions ? */
#undef AI_NUMERICHOST
#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
#undef AI_MASK
#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
/* RFC 2553 */
#undef AI_ALL
#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
#undef AI_V4MAPPED_CFG
#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
#undef AI_ADDRCONFIG
#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
#undef AI_V4MAPPED
#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
#endif /* ! HAVE_RFC2553_NETDB */
#if ! HAVE_RFC2553_NETDB && ! HAVE_ADDRINFO
struct addrinfo {
int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
int ai_family; /* PF_xxx */
int ai_socktype; /* SOCK_xxx */
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
size_t ai_addrlen; /* length of ai_addr */
char *ai_canonname; /* canonical name for hostname */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
int getaddrinfo(const char *, const char *,
const struct addrinfo *, struct addrinfo **);
int getnameinfo(const struct sockaddr *, socklen_t, char *,
size_t, char *, size_t, int);
void freeaddrinfo(struct addrinfo *);
char *gai_strerror(int);
#endif /* ! HAVE_RFC2553_NETDB && ! HAVE_ADDRINFO */
#if ! HAVE_D_NAMLEN
# define DIRENT_MISSING_D_NAMLEN
#endif
#if ! HAVE_CRYPT_D
char *crypt(const char *, const char *);
#endif
#if ! HAVE_FCLOSE_D
int fclose(FILE *);
#endif
#if ! HAVE_OPTARG_D
extern char *optarg;
#endif
#if ! HAVE_OPTIND_D
extern int optind;
#endif
#if ! HAVE_PCLOSE_D
int pclose(FILE *);
#endif
#if ! HAVE_ERR
void err(int, const char *, ...);
void errx(int, const char *, ...);
void warn(const char *, ...);
void warnx(const char *, ...);
#endif
#if ! HAVE_FGETLN
char *fgetln(FILE *, size_t *);
#endif
#if ! HAVE_FPARSELN
# define FPARSELN_UNESCESC 0x01
# define FPARSELN_UNESCCONT 0x02
# define FPARSELN_UNESCCOMM 0x04
# define FPARSELN_UNESCREST 0x08
# define FPARSELN_UNESCALL 0x0f
char *fparseln(FILE *, size_t *, size_t *, const char[3], int);
#endif
#if ! HAVE_GETUSERSHELL || ! HAVE_GETUSERSHELL_D
char *getusershell(void);
void setusershell(void);
void endusershell(void);
#endif
#if ! HAVE_INET_NTOP
const char *inet_ntop(int, const void *, char *, size_t);
#endif
#if ! HAVE_INET_PTON
int inet_pton(int, const char *, void *);
#endif
#if ! HAVE_MKSTEMP
int mkstemp(const char *);
#endif
#if ! HAVE_SNPRINTF
int snprintf(char *, size_t, const char *, ...);
#endif
#if ! HAVE_STRDUP
char *strdup(const char *);
#endif
#if ! HAVE_STRERROR
char *strerror(int);
#endif
#if HAVE_QUAD_SUPPORT
# if ! HAVE_STRTOLL && HAVE_LONG_LONG
long long strtoll(const char *, char **, int);
# if ! defined(QUAD_MIN)
# define QUAD_MIN (-0x7fffffffffffffffL-1)
# endif
# if ! defined(QUAD_MAX)
# define QUAD_MAX (0x7fffffffffffffffL)
# endif
# endif
#else /* ! HAVE_QUAD_SUPPORT */
# define NO_LONG_LONG 1
#endif /* ! HAVE_QUAD_SUPPORT */
#if ! HAVE_STRLCAT
size_t strlcat(char *, const char *, size_t);
#endif
#if ! HAVE_STRLCPY
size_t strlcpy(char *, const char *, size_t);
#endif
#if ! HAVE_STRMODE
void strmode(mode_t, char *);
#endif
#if ! HAVE_STRSEP
char *strsep(char **, const char *);
#endif
#if ! HAVE_USER_FROM_UID
const char *user_from_uid(uid_t, int);
const char *group_from_gid(gid_t, int);
#endif
#if ! HAVE_VSYSLOG
void vsyslog(int level, const char *, va_list);
#endif
#if ! defined(MIN)
# define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#if ! defined(MAX)
# define MAX(a, b) ((a) < (b) ? (b) : (a))
#endif
#if ! defined(timersub)
# define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (0)
#endif
#if ! defined(S_ISLNK)
# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
#endif
#define DAYSPERNYEAR 365
#define SECSPERDAY 86400
#define TM_YEAR_BASE 1900
|