extern.h revision 1.48
1 /* $NetBSD: extern.h,v 1.48 2003/06/30 03:06:06 tacha Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 22 * 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 33 * SUCH DAMAGE. 34 * 35 * @(#)extern.h 8.2 (Berkeley) 4/4/94 36 */ 37 38 /*- 39 * Copyright (c) 1997-2001 The NetBSD Foundation, Inc. 40 * All rights reserved. 41 * 42 * This code is derived from software contributed to The NetBSD Foundation 43 * by Luke Mewburn. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 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. 60 * 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. 72 */ 73 74 /* 75 * Copyright (C) 1997 and 1998 WIDE Project. 76 * All rights reserved. 77 * 78 * Redistribution and use in source and binary forms, with or without 79 * modification, are permitted provided that the following conditions 80 * are met: 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. 89 * 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 100 * SUCH DAMAGE. 101 */ 102 103 #ifdef NO_LONG_LONG 104 # define LLF "%ld" 105 # define LLFP(x) "%" x "ld" 106 # define LLT long 107 # define ULLF "%lu" 108 # define ULLFP(x) "%" x "lu" 109 # define ULLT unsigned long 110 # define STRTOLL(x,y,z) strtol(x,y,z) 111 # define LLTMIN LONG_MIN 112 # define LLTMAX LONG_MAX 113 #else 114 # define LLF "%lld" 115 # define LLFP(x) "%" x "lld" 116 # define LLT long long 117 # define ULLF "%llu" 118 # define ULLFP(x) "%" x "llu" 119 # define ULLT unsigned long long 120 # define STRTOLL(x,y,z) strtoll(x,y,z) 121 # define LLTMIN LLONG_MIN 122 # define LLTMAX LLONG_MAX 123 #endif 124 125 #define FTP_BUFLEN 512 126 127 void abor(void); 128 void blkfree(char **); 129 void closedataconn(FILE *); 130 char *conffilename(const char *); 131 char **copyblk(char **); 132 void count_users(void); 133 void cprintf(FILE *, const char *, ...) 134 __attribute__((__format__(__printf__, 2, 3))); 135 void cwd(const char *); 136 FILE *dataconn(const char *, off_t, const char *); 137 void delete(const char *); 138 int display_file(const char *, int); 139 char **do_conversion(const char *); 140 void dologout(int); 141 void fatal(const char *); 142 void feat(void); 143 void format_path(char *, const char *); 144 int ftpd_pclose(FILE *); 145 FILE *ftpd_popen(char *[], const char *, int); 146 char *getline(char *, int, FILE *); 147 void init_curclass(void); 148 void logxfer(const char *, off_t, const char *, const char *, 149 const struct timeval *, const char *); 150 struct tab *lookup(struct tab *, const char *); 151 void makedir(const char *); 152 void mlsd(const char *); 153 void mlst(const char *); 154 void opts(const char *); 155 void parse_conf(const char *); 156 void pass(const char *); 157 void passive(void); 158 int lpsvproto2af(int); 159 int af2lpsvproto(int); 160 int epsvproto2af(int); 161 int af2epsvproto(int); 162 void long_passive(char *, int); 163 int extended_port(const char *); 164 void epsv_protounsupp(const char *); 165 void perror_reply(int, const char *); 166 void pwd(void); 167 void removedir(const char *); 168 void renamecmd(const char *, const char *); 169 char *renamefrom(const char *); 170 void reply(int, const char *, ...) 171 __attribute__((__format__(__printf__, 2, 3))); 172 void retrieve(char *[], const char *); 173 void send_file_list(const char *); 174 void show_chdir_messages(int); 175 void sizecmd(const char *); 176 void statcmd(void); 177 void statfilecmd(const char *); 178 void statxfer(void); 179 void store(const char *, const char *, int); 180 void user(const char *); 181 char *xstrdup(const char *); 182 void yyerror(char *); 183 184 #ifdef SUPPORT_UTMP 185 struct utmp; 186 187 void ftpd_logwtmp(const char *, const char *, const char *); 188 void ftpd_login(const struct utmp *ut); 189 int ftpd_logout(const char *line); 190 #endif 191 192 #ifdef SUPPORT_UTMPX 193 struct utmpx; 194 195 void ftpd_loginx(const struct utmpx *); 196 void ftpd_logwtmpx(const char *, const char *, const char *, int, int); 197 #endif 198 199 #include <netinet/in.h> 200 201 #if defined(__NetBSD__) 202 # define HAVE_SETPROCTITLE 1 203 # define HAVE_SOCKADDR_SA_LEN 1 204 #endif 205 206 struct sockinet { 207 union sockunion { 208 struct sockaddr_in su_sin; 209 #ifdef INET6 210 struct sockaddr_in6 su_sin6; 211 #endif 212 } si_su; 213 #if !HAVE_SOCKADDR_SA_LEN 214 int si_len; 215 #endif 216 }; 217 218 #if !HAVE_SOCKADDR_SA_LEN 219 # define su_len si_len 220 #else 221 # define su_len si_su.su_sin.sin_len 222 #endif 223 #define su_addr si_su.su_sin.sin_addr 224 #define su_family si_su.su_sin.sin_family 225 #define su_port si_su.su_sin.sin_port 226 #ifdef INET6 227 # define su_6addr si_su.su_sin6.sin6_addr 228 # define su_scope_id si_su.su_sin6.sin6_scope_id 229 #endif 230 231 struct tab { 232 char *name; 233 short token; 234 short state; 235 short flags; /* 1 if command implemented, 2 if has options, 236 4 if can occur OOB */ 237 char *help; 238 char *options; 239 }; 240 241 struct ftpconv { 242 struct ftpconv *next; 243 char *suffix; /* Suffix of requested name */ 244 char *types; /* Valid file types */ 245 char *disable; /* File to disable conversions */ 246 char *command; /* Command to do the conversion */ 247 }; 248 249 typedef enum { 250 CLASS_GUEST, 251 CLASS_CHROOT, 252 CLASS_REAL 253 } class_ft; 254 255 typedef enum { 256 FLAG_checkportcmd = 1<<0, /* Check port commands */ 257 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */ 258 FLAG_modify = 1<<2, /* Allow CHMOD, DELE, MKD, RMD, RNFR, 259 UMASK */ 260 FLAG_passive = 1<<3, /* Allow PASV mode */ 261 FLAG_private = 1<<4, /* Don't publish class info in STAT */ 262 FLAG_sanenames = 1<<5, /* Restrict names of uploaded files */ 263 FLAG_upload = 1<<6, /* As per modify, but also allow 264 APPE, STOR, STOU */ 265 } classflag_t; 266 267 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x)) 268 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x)) 269 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x)) 270 271 struct ftpclass { 272 struct sockinet advertise; /* PASV address to advertise as */ 273 char *chroot; /* Directory to chroot(2) to at login */ 274 char *classname; /* Current class */ 275 struct ftpconv *conversions; /* List of conversions */ 276 char *display; /* File to display upon chdir */ 277 char *homedir; /* Directory to chdir(2) to at login */ 278 classflag_t flags; /* Flags; see classflag_t above */ 279 LLT limit; /* Max connections (-1 = unlimited) */ 280 char *limitfile; /* File to display if limit reached */ 281 LLT maxfilesize; /* Maximum file size of uploads */ 282 LLT maxrateget; /* Maximum get transfer rate throttle */ 283 LLT maxrateput; /* Maximum put transfer rate throttle */ 284 LLT maxtimeout; /* Maximum permitted timeout */ 285 char *motd; /* MotD file to display after login */ 286 char *notify; /* Files to notify about upon chdir */ 287 LLT portmin; /* Minumum port for passive mode */ 288 LLT portmax; /* Maximum port for passive mode */ 289 LLT rateget; /* Get (RETR) transfer rate throttle */ 290 LLT rateput; /* Put (STOR) transfer rate throttle */ 291 LLT timeout; /* Default timeout */ 292 class_ft type; /* Class type */ 293 mode_t umask; /* Umask to use */ 294 LLT mmapsize; /* mmap window size */ 295 LLT readsize; /* data read size */ 296 LLT writesize; /* data write size */ 297 LLT sendbufsize; /* SO_SNDBUF size */ 298 LLT sendlowat; /* SO_SNDLOWAT size */ 299 }; 300 301 extern void ftp_loop(void) __attribute__ ((noreturn)); 302 extern void ftp_handle_line(char *); 303 304 #ifndef GLOBAL 305 #define GLOBAL extern 306 #endif 307 308 309 GLOBAL struct sockinet ctrl_addr; 310 GLOBAL struct sockinet data_dest; 311 GLOBAL struct sockinet data_source; 312 GLOBAL struct sockinet his_addr; 313 GLOBAL struct sockinet pasv_addr; 314 GLOBAL int connections; 315 GLOBAL struct ftpclass curclass; 316 GLOBAL int debug; 317 GLOBAL jmp_buf errcatch; 318 GLOBAL char *emailaddr; 319 GLOBAL int form; 320 GLOBAL int gidcount; /* number of entries in gidlist[] */ 321 GLOBAL gid_t *gidlist; 322 GLOBAL int hasyyerrored; 323 GLOBAL char hostname[MAXHOSTNAMELEN+1]; 324 GLOBAL char homedir[MAXPATHLEN]; 325 #ifdef KERBEROS5 326 GLOBAL krb5_context kcontext; 327 #endif 328 GLOBAL int logged_in; 329 GLOBAL int logging; 330 GLOBAL int pdata; /* for passive mode */ 331 #if HAVE_SETPROCTITLE 332 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */ 333 #endif 334 GLOBAL struct passwd *pw; 335 GLOBAL int quietmessages; 336 GLOBAL char remotehost[MAXHOSTNAMELEN+1]; 337 GLOBAL off_t restart_point; 338 GLOBAL char tmpline[FTP_BUFLEN]; 339 GLOBAL sig_atomic_t transflag; 340 GLOBAL int type; 341 GLOBAL int usedefault; /* for data transfers */ 342 GLOBAL const char *version; 343 GLOBAL int is_oob; 344 345 /* total file data bytes */ 346 GLOBAL off_t total_data_in, total_data_out, total_data; 347 /* total number of data files */ 348 GLOBAL off_t total_files_in, total_files_out, total_files; 349 /* total bytes */ 350 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes; 351 /* total number of xfers */ 352 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers; 353 354 extern struct tab cmdtab[]; 355 356 #define INTERNAL_LS "/bin/ls" 357 358 359 #define CMD_IMPLEMENTED(x) ((x)->flags != 0) 360 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2) 361 #define CMD_OOB(x) ((x)->flags & 0x4) 362 363 #define CPUTC(c, f) do { \ 364 putc(c, f); total_bytes++; total_bytes_out++; \ 365 } while (0); 366 367 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \ 368 curclass.type == CLASS_CHROOT ? "CHROOT" : \ 369 curclass.type == CLASS_REAL ? "REAL" : \ 370 "<unknown>" 371 372 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0') 373 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0') 374 375 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0') 376 #define NEXTWORD(P, W) do { \ 377 (W) = strsep(&(P), " \t"); \ 378 } while ((W) != NULL && *(W) == '\0') 379 #define PLURAL(s) ((s) == 1 ? "" : "s") 380 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0) 381 382 #ifndef IPPORT_ANONMAX 383 # define IPPORT_ANONMAX 65535 384 #endif 385
Indexes created Wed Oct 15 16:09:53 GMT 2025