extern.h revision 1.51
1 /* $NetBSD: extern.h,v 1.51 2004/11/11 01:14:10 christos 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 #ifdef SUPPORT_UTMP 181 struct utmp; 182 183 void ftpd_logwtmp(const char *, const char *, const char *); 184 void ftpd_login(const struct utmp *ut); 185 int ftpd_logout(const char *line); 186 #endif 187 188 #ifdef SUPPORT_UTMPX 189 struct utmpx; 190 struct sockinet; 191 void ftpd_loginx(const struct utmpx *); 192 void ftpd_logwtmpx(const char *, const char *, const char *, 193 struct sockinet *, int, int); 194 #endif 195 196 #include <netinet/in.h> 197 198 #if defined(__NetBSD__) 199 # define HAVE_SETPROCTITLE 1 200 # define HAVE_SOCKADDR_SA_LEN 1 201 #endif 202 203 struct sockinet { 204 union sockunion { 205 struct sockaddr_in su_sin; 206 #ifdef INET6 207 struct sockaddr_in6 su_sin6; 208 #endif 209 } si_su; 210 #if !HAVE_SOCKADDR_SA_LEN 211 int si_len; 212 #endif 213 }; 214 215 #if !HAVE_SOCKADDR_SA_LEN 216 # define su_len si_len 217 #else 218 # define su_len si_su.su_sin.sin_len 219 #endif 220 #define su_addr si_su.su_sin.sin_addr 221 #define su_family si_su.su_sin.sin_family 222 #define su_port si_su.su_sin.sin_port 223 #ifdef INET6 224 # define su_6addr si_su.su_sin6.sin6_addr 225 # define su_scope_id si_su.su_sin6.sin6_scope_id 226 #endif 227 228 struct tab { 229 char *name; 230 short token; 231 short state; 232 short flags; /* 1 if command implemented, 2 if has options, 233 4 if can occur OOB */ 234 char *help; 235 char *options; 236 }; 237 238 struct ftpconv { 239 struct ftpconv *next; 240 char *suffix; /* Suffix of requested name */ 241 char *types; /* Valid file types */ 242 char *disable; /* File to disable conversions */ 243 char *command; /* Command to do the conversion */ 244 }; 245 246 typedef enum { 247 CLASS_GUEST, 248 CLASS_CHROOT, 249 CLASS_REAL 250 } class_ft; 251 252 typedef enum { 253 FLAG_checkportcmd = 1<<0, /* Check port commands */ 254 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */ 255 FLAG_modify = 1<<2, /* Allow CHMOD, DELE, MKD, RMD, RNFR, 256 UMASK */ 257 FLAG_passive = 1<<3, /* Allow PASV mode */ 258 FLAG_private = 1<<4, /* Don't publish class info in STAT */ 259 FLAG_sanenames = 1<<5, /* Restrict names of uploaded files */ 260 FLAG_upload = 1<<6, /* As per modify, but also allow 261 APPE, STOR, STOU */ 262 } classflag_t; 263 264 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x)) 265 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x)) 266 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x)) 267 268 struct ftpclass { 269 struct sockinet advertise; /* PASV address to advertise as */ 270 char *chroot; /* Directory to chroot(2) to at login */ 271 char *classname; /* Current class */ 272 struct ftpconv *conversions; /* List of conversions */ 273 char *display; /* File to display upon chdir */ 274 char *homedir; /* Directory to chdir(2) to at login */ 275 classflag_t flags; /* Flags; see classflag_t above */ 276 LLT limit; /* Max connections (-1 = unlimited) */ 277 char *limitfile; /* File to display if limit reached */ 278 LLT maxfilesize; /* Maximum file size of uploads */ 279 LLT maxrateget; /* Maximum get transfer rate throttle */ 280 LLT maxrateput; /* Maximum put transfer rate throttle */ 281 LLT maxtimeout; /* Maximum permitted timeout */ 282 char *motd; /* MotD file to display after login */ 283 char *notify; /* Files to notify about upon chdir */ 284 LLT portmin; /* Minumum port for passive mode */ 285 LLT portmax; /* Maximum port for passive mode */ 286 LLT rateget; /* Get (RETR) transfer rate throttle */ 287 LLT rateput; /* Put (STOR) transfer rate throttle */ 288 LLT timeout; /* Default timeout */ 289 class_ft type; /* Class type */ 290 mode_t umask; /* Umask to use */ 291 LLT mmapsize; /* mmap window size */ 292 LLT readsize; /* data read size */ 293 LLT writesize; /* data write size */ 294 LLT sendbufsize; /* SO_SNDBUF size */ 295 LLT sendlowat; /* SO_SNDLOWAT size */ 296 }; 297 298 extern void ftp_loop(void) __attribute__ ((noreturn)); 299 extern void ftp_handle_line(char *); 300 301 #ifndef GLOBAL 302 #define GLOBAL extern 303 #endif 304 305 306 GLOBAL struct sockinet ctrl_addr; 307 GLOBAL struct sockinet data_dest; 308 GLOBAL struct sockinet data_source; 309 GLOBAL struct sockinet his_addr; 310 GLOBAL struct sockinet pasv_addr; 311 GLOBAL int connections; 312 GLOBAL struct ftpclass curclass; 313 GLOBAL int debug; 314 GLOBAL char *emailaddr; 315 GLOBAL int form; 316 GLOBAL int gidcount; /* number of entries in gidlist[] */ 317 GLOBAL gid_t *gidlist; 318 GLOBAL int hasyyerrored; 319 GLOBAL char hostname[MAXHOSTNAMELEN+1]; 320 GLOBAL char homedir[MAXPATHLEN]; 321 #ifdef KERBEROS5 322 GLOBAL krb5_context kcontext; 323 #endif 324 GLOBAL int logged_in; 325 GLOBAL int logging; 326 GLOBAL int pdata; /* for passive mode */ 327 #if HAVE_SETPROCTITLE 328 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */ 329 #endif 330 GLOBAL struct passwd *pw; 331 GLOBAL int quietmessages; 332 GLOBAL char remotehost[MAXHOSTNAMELEN+1]; 333 GLOBAL off_t restart_point; 334 GLOBAL char tmpline[FTP_BUFLEN]; 335 GLOBAL int type; 336 GLOBAL int usedefault; /* for data transfers */ 337 GLOBAL const char *version; 338 GLOBAL int is_oob; 339 340 /* total file data bytes */ 341 GLOBAL off_t total_data_in, total_data_out, total_data; 342 /* total number of data files */ 343 GLOBAL off_t total_files_in, total_files_out, total_files; 344 /* total bytes */ 345 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes; 346 /* total number of xfers */ 347 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers; 348 349 extern struct tab cmdtab[]; 350 351 #define INTERNAL_LS "/bin/ls" 352 353 354 #define CMD_IMPLEMENTED(x) ((x)->flags != 0) 355 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2) 356 #define CMD_OOB(x) ((x)->flags & 0x4) 357 358 #define CPUTC(c, f) do { \ 359 putc(c, f); total_bytes++; total_bytes_out++; \ 360 } while (0); 361 362 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \ 363 curclass.type == CLASS_CHROOT ? "CHROOT" : \ 364 curclass.type == CLASS_REAL ? "REAL" : \ 365 "<unknown>" 366 367 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0') 368 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0') 369 370 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0') 371 #define NEXTWORD(P, W) do { \ 372 (W) = strsep(&(P), " \t"); \ 373 } while ((W) != NULL && *(W) == '\0') 374 #define PLURAL(s) ((s) == 1 ? "" : "s") 375 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0) 376 377 #ifndef IPPORT_ANONMAX 378 # define IPPORT_ANONMAX 65535 379 #endif 380
Indexes created Thu Sep 25 16:09:42 GMT 2025