1 /* $NetBSD: ftp_var.h,v 1.89 2024/09/25 16:55:39 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1996-2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Luke Mewburn. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1985, 1989, 1993, 1994 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)ftp_var.h 8.4 (Berkeley) 10/9/94 61 */ 62 63 /* 64 * Copyright (C) 1997 and 1998 WIDE Project. 65 * All rights reserved. 66 * 67 * Redistribution and use in source and binary forms, with or without 68 * modification, are permitted provided that the following conditions 69 * are met: 70 * 1. Redistributions of source code must retain the above copyright 71 * notice, this list of conditions and the following disclaimer. 72 * 2. Redistributions in binary form must reproduce the above copyright 73 * notice, this list of conditions and the following disclaimer in the 74 * documentation and/or other materials provided with the distribution. 75 * 3. Neither the name of the project nor the names of its contributors 76 * may be used to endorse or promote products derived from this software 77 * without specific prior written permission. 78 * 79 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 80 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 82 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 85 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 86 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 87 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 88 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 89 * SUCH DAMAGE. 90 */ 91 92 /* 93 * FTP global variables. 94 */ 95 96 #ifdef SMALL 97 #undef NO_EDITCOMPLETE 98 #define NO_EDITCOMPLETE 99 #undef NO_PROGRESS 100 #define NO_PROGRESS 101 #endif 102 103 #include <sys/param.h> 104 #include <sys/queue.h> 105 106 #include <netinet/in.h> 107 #include <arpa/inet.h> 108 109 #include <poll.h> 110 111 #include <setjmp.h> 112 #include <stringlist.h> 113 114 #ifndef NO_EDITCOMPLETE 115 #include <histedit.h> 116 #endif /* !NO_EDITCOMPLETE */ 117 118 #include "extern.h" 119 #include "progressbar.h" 120 121 /* 122 * Format of command table. 123 */ 124 struct cmd { 125 const char *c_name; /* name of command */ 126 const char *c_help; /* help string */ 127 char c_bell; /* give bell when command completes */ 128 char c_conn; /* must be connected to use command */ 129 char c_proxy; /* proxy server may execute */ 130 #ifndef NO_EDITCOMPLETE 131 const char *c_complete; /* context sensitive completion list */ 132 #endif /* !NO_EDITCOMPLETE */ 133 void (*c_handler)(int, char **); /* function to call */ 134 }; 135 136 #define MAX_C_NAME 12 /* maximum length of cmd.c_name */ 137 138 /* 139 * Format of macro table 140 */ 141 struct macel { 142 char mac_name[9]; /* macro name */ 143 char *mac_start; /* start of macro in macbuf */ 144 char *mac_end; /* end of macro in macbuf */ 145 }; 146 147 /* 148 * Format of option table 149 */ 150 struct option { 151 const char *name; 152 char *value; 153 }; 154 155 /* 156 * Indices to features[]; an array containing status of remote server 157 * features; -1 not known (FEAT failed), 0 absent, 1 present. 158 */ 159 enum { 160 FEAT_FEAT = 0, /* FEAT, OPTS */ 161 FEAT_MDTM, /* MDTM */ 162 FEAT_MLST, /* MLSD, MLST */ 163 FEAT_REST_STREAM, /* RESTart STREAM */ 164 FEAT_SIZE, /* SIZE */ 165 FEAT_TVFS, /* TVFS (not used) */ 166 FEAT_max 167 }; 168 169 /* 170 * Custom HTTP headers 171 */ 172 struct entry { 173 SLIST_ENTRY(entry) entries; 174 const char *header; 175 }; 176 SLIST_HEAD(http_headers, entry); 177 178 /* 179 * Global defines 180 */ 181 #define FTPBUFLEN (16 * 1024) 182 #define MAX_IN_PORT_T 0xffffU 183 184 #define HASHBYTES 1024 /* default mark for `hash' command */ 185 #define DEFAULTINCR 1024 /* default increment for `rate' command */ 186 187 #define FTP_PORT 21 /* default if ! getservbyname("ftp/tcp") */ 188 #define HTTP_PORT 80 /* default if ! getservbyname("http/tcp") */ 189 #define HTTPS_PORT 443 /* default if ! getservbyname("https/tcp") */ 190 #ifndef GATE_PORT 191 #define GATE_PORT 21 /* default if ! getservbyname("ftpgate/tcp") */ 192 #endif 193 #ifndef GATE_SERVER 194 #define GATE_SERVER "" /* default server */ 195 #endif 196 197 #define DEFAULTPAGER "more" /* default pager if $PAGER isn't set */ 198 #define DEFAULTPROMPT "ftp> " /* default prompt if `set prompt' is empty */ 199 #define DEFAULTRPROMPT "" /* default rprompt if `set rprompt' is empty */ 200 201 #define TMPFILE "ftpXXXXXXXXXX" 202 203 204 #ifndef GLOBAL 205 #define GLOBAL extern 206 #endif 207 208 /* 209 * Options and other state info. 210 */ 211 GLOBAL int trace; /* trace packets exchanged */ 212 GLOBAL int hash; /* print # for each buffer transferred */ 213 GLOBAL int mark; /* number of bytes between hashes */ 214 GLOBAL int sendport; /* use PORT/LPRT cmd for each data connection */ 215 GLOBAL int connected; /* 1 = connected to server, -1 = logged in */ 216 GLOBAL int interactive; /* interactively prompt on m* cmds */ 217 GLOBAL int confirmrest; /* confirm rest of current m* cmd */ 218 GLOBAL int ftp_debug; /* debugging level */ 219 GLOBAL int bell; /* ring bell on cmd completion */ 220 GLOBAL int doglob; /* glob local file names */ 221 GLOBAL int autologin; /* establish user account on connection */ 222 GLOBAL int proxy; /* proxy server connection active */ 223 GLOBAL int proxflag; /* proxy connection exists */ 224 GLOBAL int gatemode; /* use gate-ftp */ 225 GLOBAL const char *gateserver; /* server to use for gate-ftp */ 226 GLOBAL int sunique; /* store files on server with unique name */ 227 GLOBAL int runique; /* store local files with unique name */ 228 GLOBAL int mcase; /* map upper to lower case for mget names */ 229 GLOBAL int ntflag; /* use ntin ntout tables for name translation */ 230 GLOBAL int mapflag; /* use mapin mapout templates on file names */ 231 GLOBAL int preserve; /* preserve modification time on files */ 232 GLOBAL int code; /* return/reply code for ftp command */ 233 GLOBAL int crflag; /* if 1, strip car. rets. on ascii gets */ 234 GLOBAL int passivemode; /* passive mode enabled */ 235 GLOBAL int activefallback; /* fall back to active mode if passive fails */ 236 GLOBAL char *altarg; /* argv[1] with no shell-like preprocessing */ 237 GLOBAL char ntin[17]; /* input translation table */ 238 GLOBAL char ntout[17]; /* output translation table */ 239 GLOBAL char mapin[MAXPATHLEN]; /* input map template */ 240 GLOBAL char mapout[MAXPATHLEN]; /* output map template */ 241 GLOBAL char typename[32]; /* name of file transfer type */ 242 GLOBAL int type; /* requested file transfer type */ 243 GLOBAL int curtype; /* current file transfer type */ 244 GLOBAL char structname[32]; /* name of file transfer structure */ 245 GLOBAL int stru; /* file transfer structure */ 246 GLOBAL char formname[32]; /* name of file transfer format */ 247 GLOBAL int form; /* file transfer format */ 248 GLOBAL char modename[32]; /* name of file transfer mode */ 249 GLOBAL int mode; /* file transfer mode */ 250 GLOBAL char bytename[32]; /* local byte size in ascii */ 251 GLOBAL int bytesize; /* local byte size in binary */ 252 GLOBAL int anonftp; /* automatic anonymous login */ 253 GLOBAL int dirchange; /* remote directory changed by cd command */ 254 GLOBAL int flushcache; /* set HTTP cache flush headers with request */ 255 GLOBAL int rate_get; /* maximum get xfer rate */ 256 GLOBAL int rate_get_incr; /* increment for get xfer rate */ 257 GLOBAL int rate_put; /* maximum put xfer rate */ 258 GLOBAL int rate_put_incr; /* increment for put xfer rate */ 259 GLOBAL int retry_connect; /* seconds between retrying connection */ 260 GLOBAL const char *tmpdir; /* temporary directory */ 261 GLOBAL int epsv4; /* use EPSV/EPRT on IPv4 connections */ 262 GLOBAL int epsv4bad; /* EPSV doesn't work on the current server */ 263 GLOBAL int epsv6; /* use EPSV/EPRT on IPv6 connections */ 264 GLOBAL int epsv6bad; /* EPSV doesn't work on the current server */ 265 GLOBAL int editing; /* command line editing enabled */ 266 GLOBAL int features[FEAT_max]; /* remote FEATures supported */ 267 268 #ifndef NO_EDITCOMPLETE 269 GLOBAL EditLine *el; /* editline(3) status structure */ 270 GLOBAL History *hist; /* editline(3) history structure */ 271 GLOBAL char *cursor_pos; /* cursor position we're looking for */ 272 GLOBAL size_t cursor_argc; /* location of cursor in margv */ 273 GLOBAL size_t cursor_argo; /* offset of cursor in margv[cursor_argc] */ 274 #endif /* !NO_EDITCOMPLETE */ 275 276 GLOBAL char *hostname; /* name of host connected to */ 277 GLOBAL int unix_server; /* server is unix, can use binary for ascii */ 278 GLOBAL int unix_proxy; /* proxy is unix, can use binary for ascii */ 279 GLOBAL char localcwd[MAXPATHLEN]; /* local dir */ 280 GLOBAL char remotecwd[MAXPATHLEN]; /* remote dir */ 281 GLOBAL int remcwdvalid; /* remotecwd has been updated */ 282 GLOBAL char *username; /* name of user logged in as. (dynamic) */ 283 284 GLOBAL sa_family_t family; /* address family to use for connections */ 285 GLOBAL const char *ftpport; /* port number to use for FTP connections */ 286 GLOBAL const char *httpport; /* port number to use for HTTP connections */ 287 #ifdef WITH_SSL 288 GLOBAL const char *httpsport; /* port number to use for HTTPS connections */ 289 #endif 290 GLOBAL const char *gateport; /* port number to use for gateftp connections */ 291 GLOBAL struct addrinfo *bindai; /* local address to bind as */ 292 293 GLOBAL char *outfile; /* filename to output URLs to */ 294 GLOBAL int restartautofetch; /* restart auto-fetch */ 295 296 GLOBAL char line[FTPBUFLEN]; /* input line buffer */ 297 GLOBAL char *stringbase; /* current scan point in line buffer */ 298 GLOBAL char argbuf[FTPBUFLEN]; /* argument storage buffer */ 299 GLOBAL char *argbase; /* current storage point in arg buffer */ 300 GLOBAL StringList *marg_sl; /* stringlist containing margv */ 301 GLOBAL int margc; /* count of arguments on input line */ 302 #define margv (marg_sl->sl_str) /* args parsed from input line */ 303 GLOBAL int cpend; /* flag: if != 0, then pending server reply */ 304 GLOBAL int mflag; /* flag: if != 0, then active multi command */ 305 306 GLOBAL int options; /* used during socket creation */ 307 308 GLOBAL int sndbuf_size; /* socket send buffer size */ 309 GLOBAL int rcvbuf_size; /* socket receive buffer size */ 310 311 GLOBAL int macnum; /* number of defined macros */ 312 GLOBAL struct macel macros[16]; 313 GLOBAL char macbuf[4096]; 314 315 GLOBAL char *localhome; /* local home directory */ 316 GLOBAL char *localname; /* local user name */ 317 GLOBAL char netrc[MAXPATHLEN]; /* path to .netrc file */ 318 GLOBAL char reply_string[BUFSIZ]; /* first line of previous reply */ 319 GLOBAL void (*reply_callback)(const char *); 320 /* 321 * function to call for each line in 322 * the server's reply except for the 323 * first (`xxx-') and last (`xxx ') 324 */ 325 326 GLOBAL volatile sig_atomic_t sigint_raised; 327 328 GLOBAL FILE *cin; 329 GLOBAL FILE *cout; 330 GLOBAL int data; 331 332 extern struct cmd cmdtab[]; 333 extern struct option optiontab[]; 334 extern struct http_headers custom_headers; 335 336 extern size_t ftp_buflen; 337 338 #define EMPTYSTRING(x) ((x) == NULL || (*(x) == '\0')) 339 #define FREEPTR(x) if ((x) != NULL) { free(x); (x) = NULL; } 340 341 #ifdef BSD4_4 342 # define HAVE_STRUCT_SOCKADDR_IN_SIN_LEN 1 343 #endif 344 345 #ifdef NO_LONG_LONG 346 # define STRTOLL(x,y,z) strtol(x,y,z) 347 #else 348 # define STRTOLL(x,y,z) strtoll(x,y,z) 349 #endif 350 351 #ifdef NO_DEBUG 352 #define DPRINTF(...) (void)0 353 #define DWARN(...) (void)0 354 #else 355 #define DWFTP(a) do a; while (0) 356 #define DPRINTF(...) DWFTP(if (ftp_debug) (void)fprintf(ttyout, __VA_ARGS__)) 357 #define DWARN(...) DWFTP(if (ftp_debug) warn(__VA_ARGS__)) 358 #endif 359 360 #define STRorNULL(s) ((s) ? (s) : "<null>") 361 362 #ifdef NO_USAGE 363 void xusage(void); 364 #define UPRINTF(...) xusage() 365 #else 366 #define UPRINTF(...) (void)fprintf(ttyout, __VA_ARGS__) 367 #endif 368