1 /* $NetBSD: extern.h,v 1.55 2006/02/01 14:20:12 christos Exp $ */
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, 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 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * @(#)extern.h 8.2 (Berkeley) 4/4/94
35 * Copyright (c) 1997-2005 The NetBSD Foundation, Inc.
36 * All rights reserved.
38 * This code is derived from software contributed to The NetBSD Foundation
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * This product includes software developed by the NetBSD
52 * Foundation, Inc. and its contributors.
53 * 4. Neither the name of The NetBSD Foundation nor the names of its
54 * contributors may be used to endorse or promote products derived
55 * from this software without specific prior written permission.
57 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
58 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
59 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
60 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
61 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
62 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
63 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
64 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
65 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
66 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
67 * POSSIBILITY OF SUCH DAMAGE.
71 * Copyright (C) 1997 and 1998 WIDE Project.
72 * All rights reserved.
74 * Redistribution and use in source and binary forms, with or without
75 * modification, are permitted provided that the following conditions
77 * 1. Redistributions of source code must retain the above copyright
78 * notice, this list of conditions and the following disclaimer.
79 * 2. Redistributions in binary form must reproduce the above copyright
80 * notice, this list of conditions and the following disclaimer in the
81 * documentation and/or other materials provided with the distribution.
82 * 3. Neither the name of the project nor the names of its contributors
83 * may be used to endorse or promote products derived from this software
84 * without specific prior written permission.
86 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
87 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
89 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
90 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
91 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
92 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
93 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
94 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
95 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
101 # define LLFP(x) "%" x "ld"
104 # define ULLFP(x) "%" x "lu"
105 # define ULLT unsigned long
106 # define STRTOLL(x,y,z) strtol(x,y,z)
107 # define LLTMIN LONG_MIN
108 # define LLTMAX LONG_MAX
111 # define LLFP(x) "%" x "lld"
112 # define LLT long long
114 # define ULLFP(x) "%" x "llu"
115 # define ULLT unsigned long long
116 # define STRTOLL(x,y,z) strtoll(x,y,z)
117 # define LLTMIN LLONG_MIN
118 # define LLTMAX LLONG_MAX
121 #define FTP_BUFLEN 512
124 void blkfree(char **);
125 void closedataconn(FILE *);
126 char *conffilename(const char *);
127 char **copyblk(char **);
128 void count_users(void);
129 void cprintf(FILE *, const char *, ...)
130 __attribute__((__format__(__printf__, 2, 3)));
131 void cwd(const char *);
132 FILE *dataconn(const char *, off_t, const char *);
133 void delete(const char *);
134 int display_file(const char *, int);
135 char **do_conversion(const char *);
137 void fatal(const char *);
139 void format_path(char *, const char *);
140 int ftpd_pclose(FILE *);
141 FILE *ftpd_popen(char *[], const char *, int);
142 int getline(char *, int, FILE *);
143 void init_curclass(void);
144 void logxfer(const char *, off_t, const char *, const char *,
145 const struct timeval *, const char *);
146 struct tab *lookup(struct tab *, const char *);
147 void makedir(const char *);
148 void mlsd(const char *);
149 void mlst(const char *);
150 void opts(const char *);
151 void parse_conf(const char *);
152 void pass(const char *);
154 int lpsvproto2af(int);
155 int af2lpsvproto(int);
156 int epsvproto2af(int);
157 int af2epsvproto(int);
158 void long_passive(char *, int);
159 int extended_port(const char *);
160 void epsv_protounsupp(const char *);
161 void perror_reply(int, const char *);
163 void removedir(const char *);
164 void renamecmd(const char *, const char *);
165 char *renamefrom(const char *);
166 void reply(int, const char *, ...)
167 __attribute__((__format__(__printf__, 2, 3)));
168 void retrieve(char *[], const char *);
169 void send_file_list(const char *);
170 void show_chdir_messages(int);
171 void sizecmd(const char *);
173 void statfilecmd(const char *);
175 void store(const char *, const char *, int);
176 void user(const char *);
177 char *ftpd_strdup(const char *);
178 void yyerror(char *);
183 void ftpd_initwtmp(void);
184 void ftpd_logwtmp(const char *, const char *, const char *);
185 void ftpd_login(const struct utmp *);
186 int ftpd_logout(const char *);
193 void ftpd_initwtmpx(void);
194 void ftpd_logwtmpx(const char *, const char *, const char *,
195 struct sockinet *, int, int);
196 void ftpd_loginx(const struct utmpx *);
197 int ftpd_logoutx(const char *, int, int);
200 #include <netinet/in.h>
202 #if defined(__NetBSD__)
203 # define HAVE_SETPROCTITLE 1
204 # define HAVE_SOCKADDR_SA_LEN 1
209 struct sockaddr_in su_sin;
211 struct sockaddr_in6 su_sin6;
214 #if !HAVE_SOCKADDR_SA_LEN
219 #if !HAVE_SOCKADDR_SA_LEN
220 # define su_len si_len
222 # define su_len si_su.su_sin.sin_len
224 #define su_addr si_su.su_sin.sin_addr
225 #define su_family si_su.su_sin.sin_family
226 #define su_port si_su.su_sin.sin_port
228 # define su_6addr si_su.su_sin6.sin6_addr
229 # define su_scope_id si_su.su_sin6.sin6_scope_id
236 short flags; /* 1 if command implemented, 2 if has options,
237 4 if can occur OOB */
243 struct ftpconv *next;
244 char *suffix; /* Suffix of requested name */
245 char *types; /* Valid file types */
246 char *disable; /* File to disable conversions */
247 char *command; /* Command to do the conversion */
257 FLAG_checkportcmd = 1<<0, /* Check port commands */
258 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */
259 FLAG_hidesymlinks = 1<<2, /* For symbolic links, list the file
260 or directory the link references
261 rather than the link itself */
262 FLAG_modify = 1<<3, /* Allow CHMOD, DELE, MKD, RMD, RNFR,
264 FLAG_passive = 1<<4, /* Allow PASV mode */
265 FLAG_private = 1<<5, /* Don't publish class info in STAT */
266 FLAG_sanenames = 1<<6, /* Restrict names of uploaded files */
267 FLAG_upload = 1<<7, /* As per modify, but also allow
271 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x))
272 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x))
273 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x))
276 struct sockinet advertise; /* PASV address to advertise as */
277 char *chroot; /* Directory to chroot(2) to at login */
278 char *classname; /* Current class */
279 struct ftpconv *conversions; /* List of conversions */
280 char *display; /* File to display upon chdir */
281 char *homedir; /* Directory to chdir(2) to at login */
282 classflag_t flags; /* Flags; see classflag_t above */
283 LLT limit; /* Max connections (-1 = unlimited) */
284 char *limitfile; /* File to display if limit reached */
285 LLT maxfilesize; /* Maximum file size of uploads */
286 LLT maxrateget; /* Maximum get transfer rate throttle */
287 LLT maxrateput; /* Maximum put transfer rate throttle */
288 LLT maxtimeout; /* Maximum permitted timeout */
289 char *motd; /* MotD file to display after login */
290 char *notify; /* Files to notify about upon chdir */
291 LLT portmin; /* Minumum port for passive mode */
292 LLT portmax; /* Maximum port for passive mode */
293 LLT rateget; /* Get (RETR) transfer rate throttle */
294 LLT rateput; /* Put (STOR) transfer rate throttle */
295 LLT timeout; /* Default timeout */
296 class_ft type; /* Class type */
297 mode_t umask; /* Umask to use */
298 LLT mmapsize; /* mmap window size */
299 LLT readsize; /* data read size */
300 LLT writesize; /* data write size */
301 LLT recvbufsize; /* SO_RCVBUF size */
302 LLT sendbufsize; /* SO_SNDBUF size */
303 LLT sendlowat; /* SO_SNDLOWAT size */
306 extern void ftp_loop(void) __attribute__ ((noreturn));
307 extern void ftp_handle_line(char *);
310 #define GLOBAL extern
314 GLOBAL struct sockinet ctrl_addr;
315 GLOBAL struct sockinet data_dest;
316 GLOBAL struct sockinet data_source;
317 GLOBAL struct sockinet his_addr;
318 GLOBAL struct sockinet pasv_addr;
319 GLOBAL int connections;
320 GLOBAL struct ftpclass curclass;
321 GLOBAL int ftpd_debug;
322 GLOBAL char *emailaddr;
324 GLOBAL int gidcount; /* number of entries in gidlist[] */
325 GLOBAL gid_t *gidlist;
326 GLOBAL int hasyyerrored;
327 GLOBAL char hostname[MAXHOSTNAMELEN+1];
328 GLOBAL char homedir[MAXPATHLEN];
330 GLOBAL krb5_context kcontext;
332 GLOBAL int logged_in;
334 GLOBAL int pdata; /* for passive mode */
335 #if HAVE_SETPROCTITLE
336 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */
338 GLOBAL struct passwd *pw;
339 GLOBAL int quietmessages;
340 GLOBAL char remotehost[MAXHOSTNAMELEN+1];
341 GLOBAL off_t restart_point;
342 GLOBAL char tmpline[FTP_BUFLEN];
344 GLOBAL int usedefault; /* for data transfers */
345 GLOBAL const char *version;
348 /* total file data bytes */
349 GLOBAL off_t total_data_in, total_data_out, total_data;
350 /* total number of data files */
351 GLOBAL off_t total_files_in, total_files_out, total_files;
353 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes;
354 /* total number of xfers */
355 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers;
357 extern struct tab cmdtab[];
359 #define INTERNAL_LS "/bin/ls"
362 #define CMD_IMPLEMENTED(x) ((x)->flags != 0)
363 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2)
364 #define CMD_OOB(x) ((x)->flags & 0x4)
366 #define CPUTC(c, f) do { \
367 putc(c, f); total_bytes++; total_bytes_out++; \
370 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \
371 curclass.type == CLASS_CHROOT ? "CHROOT" : \
372 curclass.type == CLASS_REAL ? "REAL" : \
375 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0')
376 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0')
378 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0')
379 #define NEXTWORD(P, W) do { \
380 (W) = strsep(&(P), " \t"); \
381 } while ((W) != NULL && *(W) == '\0')
382 #define PLURAL(s) ((s) == 1 ? "" : "s")
383 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0)
385 #ifndef IPPORT_ANONMAX
386 # define IPPORT_ANONMAX 65535