1 /* $NetBSD: extern.h,v 1.50 2004-08-09 12:56:47 lukem 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) 1997-2004 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 char *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 *xstrdup(const char *);
178 void yyerror(char *);
183 void ftpd_logwtmp(const char *, const char *, const char *);
184 void ftpd_login(const struct utmp *ut);
185 int ftpd_logout(const char *line);
191 void ftpd_loginx(const struct utmpx *);
192 void ftpd_logwtmpx(const char *, const char *, const char *, int, int);
195 #include <netinet/in.h>
197 #if defined(__NetBSD__)
198 # define HAVE_SETPROCTITLE 1
199 # define HAVE_SOCKADDR_SA_LEN 1
204 struct sockaddr_in su_sin;
206 struct sockaddr_in6 su_sin6;
209 #if !HAVE_SOCKADDR_SA_LEN
214 #if !HAVE_SOCKADDR_SA_LEN
215 # define su_len si_len
217 # define su_len si_su.su_sin.sin_len
219 #define su_addr si_su.su_sin.sin_addr
220 #define su_family si_su.su_sin.sin_family
221 #define su_port si_su.su_sin.sin_port
223 # define su_6addr si_su.su_sin6.sin6_addr
224 # define su_scope_id si_su.su_sin6.sin6_scope_id
231 short flags; /* 1 if command implemented, 2 if has options,
232 4 if can occur OOB */
238 struct ftpconv *next;
239 char *suffix; /* Suffix of requested name */
240 char *types; /* Valid file types */
241 char *disable; /* File to disable conversions */
242 char *command; /* Command to do the conversion */
252 FLAG_checkportcmd = 1<<0, /* Check port commands */
253 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */
254 FLAG_modify = 1<<2, /* Allow CHMOD, DELE, MKD, RMD, RNFR,
256 FLAG_passive = 1<<3, /* Allow PASV mode */
257 FLAG_private = 1<<4, /* Don't publish class info in STAT */
258 FLAG_sanenames = 1<<5, /* Restrict names of uploaded files */
259 FLAG_upload = 1<<6, /* As per modify, but also allow
263 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x))
264 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x))
265 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x))
268 struct sockinet advertise; /* PASV address to advertise as */
269 char *chroot; /* Directory to chroot(2) to at login */
270 char *classname; /* Current class */
271 struct ftpconv *conversions; /* List of conversions */
272 char *display; /* File to display upon chdir */
273 char *homedir; /* Directory to chdir(2) to at login */
274 classflag_t flags; /* Flags; see classflag_t above */
275 LLT limit; /* Max connections (-1 = unlimited) */
276 char *limitfile; /* File to display if limit reached */
277 LLT maxfilesize; /* Maximum file size of uploads */
278 LLT maxrateget; /* Maximum get transfer rate throttle */
279 LLT maxrateput; /* Maximum put transfer rate throttle */
280 LLT maxtimeout; /* Maximum permitted timeout */
281 char *motd; /* MotD file to display after login */
282 char *notify; /* Files to notify about upon chdir */
283 LLT portmin; /* Minumum port for passive mode */
284 LLT portmax; /* Maximum port for passive mode */
285 LLT rateget; /* Get (RETR) transfer rate throttle */
286 LLT rateput; /* Put (STOR) transfer rate throttle */
287 LLT timeout; /* Default timeout */
288 class_ft type; /* Class type */
289 mode_t umask; /* Umask to use */
290 LLT mmapsize; /* mmap window size */
291 LLT readsize; /* data read size */
292 LLT writesize; /* data write size */
293 LLT sendbufsize; /* SO_SNDBUF size */
294 LLT sendlowat; /* SO_SNDLOWAT size */
297 extern void ftp_loop(void) __attribute__ ((noreturn));
298 extern void ftp_handle_line(char *);
301 #define GLOBAL extern
305 GLOBAL struct sockinet ctrl_addr;
306 GLOBAL struct sockinet data_dest;
307 GLOBAL struct sockinet data_source;
308 GLOBAL struct sockinet his_addr;
309 GLOBAL struct sockinet pasv_addr;
310 GLOBAL int connections;
311 GLOBAL struct ftpclass curclass;
313 GLOBAL char *emailaddr;
315 GLOBAL int gidcount; /* number of entries in gidlist[] */
316 GLOBAL gid_t *gidlist;
317 GLOBAL int hasyyerrored;
318 GLOBAL char hostname[MAXHOSTNAMELEN+1];
319 GLOBAL char homedir[MAXPATHLEN];
321 GLOBAL krb5_context kcontext;
323 GLOBAL int logged_in;
325 GLOBAL int pdata; /* for passive mode */
326 #if HAVE_SETPROCTITLE
327 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */
329 GLOBAL struct passwd *pw;
330 GLOBAL int quietmessages;
331 GLOBAL char remotehost[MAXHOSTNAMELEN+1];
332 GLOBAL off_t restart_point;
333 GLOBAL char tmpline[FTP_BUFLEN];
335 GLOBAL int usedefault; /* for data transfers */
336 GLOBAL const char *version;
339 /* total file data bytes */
340 GLOBAL off_t total_data_in, total_data_out, total_data;
341 /* total number of data files */
342 GLOBAL off_t total_files_in, total_files_out, total_files;
344 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes;
345 /* total number of xfers */
346 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers;
348 extern struct tab cmdtab[];
350 #define INTERNAL_LS "/bin/ls"
353 #define CMD_IMPLEMENTED(x) ((x)->flags != 0)
354 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2)
355 #define CMD_OOB(x) ((x)->flags & 0x4)
357 #define CPUTC(c, f) do { \
358 putc(c, f); total_bytes++; total_bytes_out++; \
361 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \
362 curclass.type == CLASS_CHROOT ? "CHROOT" : \
363 curclass.type == CLASS_REAL ? "REAL" : \
366 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0')
367 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0')
369 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0')
370 #define NEXTWORD(P, W) do { \
371 (W) = strsep(&(P), " \t"); \
372 } while ((W) != NULL && *(W) == '\0')
373 #define PLURAL(s) ((s) == 1 ? "" : "s")
374 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0)
376 #ifndef IPPORT_ANONMAX
377 # define IPPORT_ANONMAX 65535