1 /* $NetBSD: extern.h,v 1.43 2001/12/04 13:54:12 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. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * @(#)extern.h 8.2 (Berkeley) 4/4/94
39 * Copyright (c) 1997-2001 The NetBSD Foundation, Inc.
40 * All rights reserved.
42 * This code is derived from software contributed to The NetBSD Foundation
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 * 3. All advertising materials mentioning features or use of this software
54 * must display the following acknowledgement:
55 * This product includes software developed by the NetBSD
56 * Foundation, Inc. and its contributors.
57 * 4. Neither the name of The NetBSD Foundation nor the names of its
58 * contributors may be used to endorse or promote products derived
59 * from this software without specific prior written permission.
61 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
62 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
63 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
64 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
65 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
66 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
67 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
68 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
69 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
70 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
71 * POSSIBILITY OF SUCH DAMAGE.
75 * Copyright (C) 1997 and 1998 WIDE Project.
76 * All rights reserved.
78 * Redistribution and use in source and binary forms, with or without
79 * modification, are permitted provided that the following conditions
81 * 1. Redistributions of source code must retain the above copyright
82 * notice, this list of conditions and the following disclaimer.
83 * 2. Redistributions in binary form must reproduce the above copyright
84 * notice, this list of conditions and the following disclaimer in the
85 * documentation and/or other materials provided with the distribution.
86 * 3. Neither the name of the project nor the names of its contributors
87 * may be used to endorse or promote products derived from this software
88 * without specific prior written permission.
90 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
91 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
92 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
93 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
94 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
95 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
96 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
97 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
98 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
99 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
105 # define LLFP(x) "%" x "ld"
108 # define ULLFP(x) "%" x "lu"
109 # define ULLT unsigned long
110 # define STRTOLL(x,y,z) strtol(x,y,z)
114 # define LLFP(x) "%" x "qd"
115 # define LLT long long
117 # define ULLFP(x) "%" x "qu"
118 # define ULLT unsigned long long
119 # define STRTOLL(x,y,z) strtoll(x,y,z)
122 # define LLFP(x) "%" x "lld"
123 # define LLT long long
125 # define ULLFP(x) "%" x "llu"
126 # define ULLT unsigned long long
127 # define STRTOLL(x,y,z) strtoll(x,y,z)
131 #define FTP_BUFLEN 512
134 void blkfree(char **);
135 void closedataconn(FILE *);
136 char *conffilename(const char *);
137 char **copyblk(char **);
138 void count_users(void);
139 void cprintf(FILE *, const char *, ...)
141 void cwd(const char *);
142 FILE *dataconn(const char *, off_t, const char *);
143 void delete(const char *);
144 int display_file(const char *, int);
145 char **do_conversion(const char *);
147 void fatal(const char *);
149 void format_path(char *, const char *);
150 int ftpd_pclose(FILE *);
151 FILE *ftpd_popen(char *[], const char *, int);
152 char *getline(char *, int, FILE *);
153 void init_curclass(void);
154 void logxfer(const char *, off_t, const char *, const char *,
155 const struct timeval *, const char *);
157 void logwtmp(const char *, const char *, const char *);
159 struct tab *lookup(struct tab *, const char *);
160 void makedir(const char *);
161 void mlsd(const char *);
162 void mlst(const char *);
163 void opts(const char *);
164 void parse_conf(const char *);
165 void pass(const char *);
167 int lpsvproto2af(int);
168 int af2lpsvproto(int);
169 int epsvproto2af(int);
170 int af2epsvproto(int);
171 void long_passive(char *, int);
172 int extended_port(const char *);
173 void epsv_protounsupp(const char *);
174 void perror_reply(int, const char *);
176 void removedir(const char *);
177 void renamecmd(const char *, const char *);
178 char *renamefrom(const char *);
179 void reply(int, const char *, ...)
181 void retrieve(char *[], const char *);
182 void send_file_list(const char *);
183 void show_chdir_messages(int);
184 void sizecmd(const char *);
186 void statfilecmd(const char *);
188 void store(const char *, const char *, int);
189 LLT strsuftoll(const char *);
190 void user(const char *);
191 char *xstrdup(const char *);
192 void yyerror(char *);
194 #include <netinet/in.h>
196 #if defined(__NetBSD__)
197 # define HAVE_SETPROCTITLE 1
198 # define HAVE_SOCKADDR_SA_LEN 1
203 struct sockaddr_in su_sin;
205 struct sockaddr_in6 su_sin6;
208 #if !HAVE_SOCKADDR_SA_LEN
213 #if !HAVE_SOCKADDR_SA_LEN
214 # define su_len si_len
216 # define su_len si_su.su_sin.sin_len
218 #define su_addr si_su.su_sin.sin_addr
219 #define su_family si_su.su_sin.sin_family
220 #define su_port si_su.su_sin.sin_port
222 # define su_6addr si_su.su_sin6.sin6_addr
223 # define su_scope_id si_su.su_sin6.sin6_scope_id
230 short flags; /* 1 if command implemented, 2 if has options,
231 4 if can occur OOB */
237 struct ftpconv *next;
238 char *suffix; /* Suffix of requested name */
239 char *types; /* Valid file types */
240 char *disable; /* File to disable conversions */
241 char *command; /* Command to do the conversion */
251 FLAG_checkportcmd = 1<<0, /* Check port commands */
252 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */
253 FLAG_modify = 1<<2, /* Allow CHMOD, DELE, MKD, RMD, RNFR,
255 FLAG_passive = 1<<3, /* Allow PASV mode */
256 FLAG_private = 1<<4, /* Don't publish class info in STAT */
257 FLAG_sanenames = 1<<5, /* Restrict names of uploaded files */
258 FLAG_upload = 1<<6, /* As per modify, but also allow
262 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x))
263 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x))
264 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x))
267 struct sockinet advertise; /* PASV address to advertise as */
268 char *chroot; /* Directory to chroot(2) to at login */
269 char *classname; /* Current class */
270 struct ftpconv *conversions; /* List of conversions */
271 char *display; /* File to display upon chdir */
272 char *homedir; /* Directory to chdir(2) to at login */
273 classflag_t flags; /* Flags; see classflag_t above */
274 int limit; /* Max connections (-1 = unlimited) */
275 char *limitfile; /* File to display if limit reached */
276 LLT maxfilesize; /* Maximum file size of uploads */
277 LLT maxrateget; /* Maximum get transfer rate throttle */
278 LLT maxrateput; /* Maximum put transfer rate throttle */
279 unsigned int maxtimeout; /* Maximum permitted timeout */
280 char *motd; /* MotD file to display after login */
281 char *notify; /* Files to notify about upon chdir */
282 int portmin; /* Minumum port for passive mode */
283 int portmax; /* Maximum port for passive mode */
284 LLT rateget; /* Get (RETR) transfer rate throttle */
285 LLT rateput; /* Put (STOR) transfer rate throttle */
286 unsigned int timeout; /* Default timeout */
287 class_ft type; /* Class type */
288 mode_t umask; /* Umask to use */
291 extern void ftp_loop(void);
292 extern void ftp_handle_line(char *);
295 #define GLOBAL extern
299 GLOBAL struct sockinet ctrl_addr;
300 GLOBAL struct sockinet data_dest;
301 GLOBAL struct sockinet data_source;
302 GLOBAL struct sockinet his_addr;
303 GLOBAL struct sockinet pasv_addr;
304 GLOBAL int connections;
305 GLOBAL struct ftpclass curclass;
307 GLOBAL jmp_buf errcatch;
308 GLOBAL char *emailaddr;
310 GLOBAL int gidcount; /* number of entries in gidlist[] */
311 GLOBAL gid_t gidlist[NGROUPS_MAX];
312 GLOBAL int hasyyerrored;
313 GLOBAL char hostname[MAXHOSTNAMELEN+1];
314 GLOBAL char homedir[MAXPATHLEN];
316 GLOBAL krb5_context kcontext;
318 GLOBAL int logged_in;
320 GLOBAL int pdata; /* for passive mode */
321 #if HAVE_SETPROCTITLE
322 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */
324 GLOBAL struct passwd *pw;
325 GLOBAL int quietmessages;
326 GLOBAL char remotehost[MAXHOSTNAMELEN+1];
327 GLOBAL off_t restart_point;
328 GLOBAL char tmpline[FTP_BUFLEN];
329 GLOBAL sig_atomic_t transflag;
331 GLOBAL int usedefault; /* for data transfers */
332 GLOBAL const char *version;
335 /* total file data bytes */
336 GLOBAL off_t total_data_in, total_data_out, total_data;
337 /* total number of data files */
338 GLOBAL off_t total_files_in, total_files_out, total_files;
340 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes;
341 /* total number of xfers */
342 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers;
344 extern struct tab cmdtab[];
346 #define INTERNAL_LS "/bin/ls"
349 #define CMD_IMPLEMENTED(x) ((x)->flags != 0)
350 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2)
351 #define CMD_OOB(x) ((x)->flags & 0x4)
353 #define CPUTC(c, f) do { \
354 putc(c, f); total_bytes++; total_bytes_out++; \
357 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \
358 curclass.type == CLASS_CHROOT ? "CHROOT" : \
359 curclass.type == CLASS_REAL ? "REAL" : \
362 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0')
363 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0')
365 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0')
366 #define NEXTWORD(P, W) do { \
367 (W) = strsep(&(P), " \t"); \
368 } while ((W) != NULL && *(W) == '\0')
369 #define PLURAL(s) ((s) == 1 ? "" : "s")
370 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0)
372 #ifndef IPPORT_ANONMAX
373 # define IPPORT_ANONMAX 65535