extern.h revision 1.43.2.1
1 /* $NetBSD: extern.h,v 1.43.2.1 2004/08/31 01:35:26 jmc 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. 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. 18 * 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 29 * SUCH DAMAGE. 30 * 31 * @(#)extern.h 8.2 (Berkeley) 4/4/94 32 */ 33 34 /*- 35 * Copyright (c) 1997-2004 The NetBSD Foundation, Inc. 36 * All rights reserved. 37 * 38 * This code is derived from software contributed to The NetBSD Foundation 39 * by Luke Mewburn. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 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. 56 * 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. 68 */ 69 70 /* 71 * Copyright (C) 1997 and 1998 WIDE Project. 72 * All rights reserved. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 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. 85 * 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 96 * SUCH DAMAGE. 97 */ 98 99 #ifdef NO_LONG_LONG 100 # define LLF "%ld" 101 # define LLFP(x) "%" x "ld" 102 # define LLT long 103 # define ULLF "%lu" 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 109 #else 110 # define LLF "%lld" 111 # define LLFP(x) "%" x "lld" 112 # define LLT long long 113 # define ULLF "%llu" 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 119 #endif 120 121 #define FTP_BUFLEN 512 122 123 void abor(void); 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 *); 136 void dologout(int); 137 void fatal(const char *); 138 void feat(void); 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 *); 153 void passive(void); 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 *); 162 void pwd(void); 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 *); 172 void statcmd(void); 173 void statfilecmd(const char *); 174 void statxfer(void); 175 void store(const char *, const char *, int); 176 void user(const char *); 177 char *xstrdup(const char *); 178 void yyerror(char *); 179 180 long long strsuftoll(const char*, const char*, long long, long long); 181 long long strsuftollx(const char*, const char*, long long, long long, char*, size_t); 182 183 #ifdef SUPPORT_UTMP 184 struct utmp; 185 186 void ftpd_logwtmp(const char *, const char *, const char *); 187 void ftpd_login(const struct utmp *ut); 188 int ftpd_logout(const char *line); 189 #endif 190 191 #ifdef SUPPORT_UTMPX 192 struct utmpx; 193 194 void ftpd_loginx(const struct utmpx *); 195 void ftpd_logwtmpx(const char *, const char *, const char *, int, int); 196 #endif 197 198 #include <netinet/in.h> 199 200 #if defined(__NetBSD__) 201 # define HAVE_SETPROCTITLE 1 202 # define HAVE_SOCKADDR_SA_LEN 1 203 #endif 204 205 struct sockinet { 206 union sockunion { 207 struct sockaddr_in su_sin; 208 #ifdef INET6 209 struct sockaddr_in6 su_sin6; 210 #endif 211 } si_su; 212 #if !HAVE_SOCKADDR_SA_LEN 213 int si_len; 214 #endif 215 }; 216 217 #if !HAVE_SOCKADDR_SA_LEN 218 # define su_len si_len 219 #else 220 # define su_len si_su.su_sin.sin_len 221 #endif 222 #define su_addr si_su.su_sin.sin_addr 223 #define su_family si_su.su_sin.sin_family 224 #define su_port si_su.su_sin.sin_port 225 #ifdef INET6 226 # define su_6addr si_su.su_sin6.sin6_addr 227 # define su_scope_id si_su.su_sin6.sin6_scope_id 228 #endif 229 230 struct tab { 231 char *name; 232 short token; 233 short state; 234 short flags; /* 1 if command implemented, 2 if has options, 235 4 if can occur OOB */ 236 char *help; 237 char *options; 238 }; 239 240 struct ftpconv { 241 struct ftpconv *next; 242 char *suffix; /* Suffix of requested name */ 243 char *types; /* Valid file types */ 244 char *disable; /* File to disable conversions */ 245 char *command; /* Command to do the conversion */ 246 }; 247 248 typedef enum { 249 CLASS_GUEST, 250 CLASS_CHROOT, 251 CLASS_REAL 252 } class_ft; 253 254 typedef enum { 255 FLAG_checkportcmd = 1<<0, /* Check port commands */ 256 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */ 257 FLAG_modify = 1<<2, /* Allow CHMOD, DELE, MKD, RMD, RNFR, 258 UMASK */ 259 FLAG_passive = 1<<3, /* Allow PASV mode */ 260 FLAG_private = 1<<4, /* Don't publish class info in STAT */ 261 FLAG_sanenames = 1<<5, /* Restrict names of uploaded files */ 262 FLAG_upload = 1<<6, /* As per modify, but also allow 263 APPE, STOR, STOU */ 264 } classflag_t; 265 266 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x)) 267 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x)) 268 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x)) 269 270 struct ftpclass { 271 struct sockinet advertise; /* PASV address to advertise as */ 272 char *chroot; /* Directory to chroot(2) to at login */ 273 char *classname; /* Current class */ 274 struct ftpconv *conversions; /* List of conversions */ 275 char *display; /* File to display upon chdir */ 276 char *homedir; /* Directory to chdir(2) to at login */ 277 classflag_t flags; /* Flags; see classflag_t above */ 278 LLT limit; /* Max connections (-1 = unlimited) */ 279 char *limitfile; /* File to display if limit reached */ 280 LLT maxfilesize; /* Maximum file size of uploads */ 281 LLT maxrateget; /* Maximum get transfer rate throttle */ 282 LLT maxrateput; /* Maximum put transfer rate throttle */ 283 LLT maxtimeout; /* Maximum permitted timeout */ 284 char *motd; /* MotD file to display after login */ 285 char *notify; /* Files to notify about upon chdir */ 286 LLT portmin; /* Minumum port for passive mode */ 287 LLT portmax; /* Maximum port for passive mode */ 288 LLT rateget; /* Get (RETR) transfer rate throttle */ 289 LLT rateput; /* Put (STOR) transfer rate throttle */ 290 LLT timeout; /* Default timeout */ 291 class_ft type; /* Class type */ 292 mode_t umask; /* Umask to use */ 293 LLT mmapsize; /* mmap window size */ 294 LLT readsize; /* data read size */ 295 LLT writesize; /* data write size */ 296 LLT sendbufsize; /* SO_SNDBUF size */ 297 LLT sendlowat; /* SO_SNDLOWAT size */ 298 }; 299 300 extern void ftp_loop(void) __attribute__ ((noreturn)); 301 extern void ftp_handle_line(char *); 302 303 #ifndef GLOBAL 304 #define GLOBAL extern 305 #endif 306 307 308 GLOBAL struct sockinet ctrl_addr; 309 GLOBAL struct sockinet data_dest; 310 GLOBAL struct sockinet data_source; 311 GLOBAL struct sockinet his_addr; 312 GLOBAL struct sockinet pasv_addr; 313 GLOBAL int connections; 314 GLOBAL struct ftpclass curclass; 315 GLOBAL int debug; 316 GLOBAL char *emailaddr; 317 GLOBAL int form; 318 GLOBAL int gidcount; /* number of entries in gidlist[] */ 319 GLOBAL gid_t *gidlist; 320 GLOBAL int hasyyerrored; 321 GLOBAL char hostname[MAXHOSTNAMELEN+1]; 322 GLOBAL char homedir[MAXPATHLEN]; 323 #ifdef KERBEROS5 324 GLOBAL krb5_context kcontext; 325 #endif 326 GLOBAL int logged_in; 327 GLOBAL int logging; 328 GLOBAL int pdata; /* for passive mode */ 329 #if HAVE_SETPROCTITLE 330 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */ 331 #endif 332 GLOBAL struct passwd *pw; 333 GLOBAL int quietmessages; 334 GLOBAL char remotehost[MAXHOSTNAMELEN+1]; 335 GLOBAL off_t restart_point; 336 GLOBAL char tmpline[FTP_BUFLEN]; 337 GLOBAL int type; 338 GLOBAL int usedefault; /* for data transfers */ 339 GLOBAL const char *version; 340 GLOBAL int is_oob; 341 342 /* total file data bytes */ 343 GLOBAL off_t total_data_in, total_data_out, total_data; 344 /* total number of data files */ 345 GLOBAL off_t total_files_in, total_files_out, total_files; 346 /* total bytes */ 347 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes; 348 /* total number of xfers */ 349 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers; 350 351 extern struct tab cmdtab[]; 352 353 #define INTERNAL_LS "/bin/ls" 354 355 356 #define CMD_IMPLEMENTED(x) ((x)->flags != 0) 357 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2) 358 #define CMD_OOB(x) ((x)->flags & 0x4) 359 360 #define CPUTC(c, f) do { \ 361 putc(c, f); total_bytes++; total_bytes_out++; \ 362 } while (0); 363 364 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \ 365 curclass.type == CLASS_CHROOT ? "CHROOT" : \ 366 curclass.type == CLASS_REAL ? "REAL" : \ 367 "<unknown>" 368 369 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0') 370 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0') 371 372 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0') 373 #define NEXTWORD(P, W) do { \ 374 (W) = strsep(&(P), " \t"); \ 375 } while ((W) != NULL && *(W) == '\0') 376 #define PLURAL(s) ((s) == 1 ? "" : "s") 377 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0) 378 379 #ifndef IPPORT_ANONMAX 380 # define IPPORT_ANONMAX 65535 381 #endif 382
Indexes created Mon Oct 13 08:09:50 GMT 2025