/* $NetBSD: extern.h,v 1.64.4.1 2023/10/02 17:09:41 martin Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)extern.h 8.2 (Berkeley) 4/4/94 */ /*- * Copyright (c) 1997-2009 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Luke Mewburn. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (C) 1997 and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifdef NO_LONG_LONG # define LLF "%ld" # define LLFP(x) "%" x "ld" # define LLT long # define ULLF "%lu" # define ULLFP(x) "%" x "lu" # define ULLT unsigned long # define STRTOLL(x,y,z) strtol(x,y,z) # define LLTMIN LONG_MIN # define LLTMAX LONG_MAX #else # define LLF "%lld" # define LLFP(x) "%" x "lld" # define LLT long long # define ULLF "%llu" # define ULLFP(x) "%" x "llu" # define ULLT unsigned long long # define STRTOLL(x,y,z) strtoll(x,y,z) # define LLTMIN LLONG_MIN # define LLTMAX LLONG_MAX #endif #define FTP_BUFLEN 512 void abor(void); void closedataconn(FILE *); char *conffilename(const char *); void count_users(void); void cprintf(FILE *, const char *, ...) __printflike(2, 3); void cwd(const char *); FILE *dataconn(const char *, off_t, const char *); void delete(const char *); int display_file(const char *, int); const char **do_conversion(const char *); __dead void dologout(int); __dead void fatal(const char *); void feat(void); void format_path(char *, const char *); int ftpd_pclose(FILE *); FILE *ftpd_popen(const char *[], const char *, int); int get_line(char *, int, FILE *); void init_curclass(void); void logxfer(const char *, off_t, const char *, const char *, const struct timeval *, const char *); struct tab *lookup(struct tab *, const char *); void makedir(const char *); void mlsd(const char *); void mlst(const char *); void opts(const char *); void parse_conf(const char *); void pass(const char *); void passive(void); int lpsvproto2af(int); int af2lpsvproto(int); int epsvproto2af(int); int af2epsvproto(int); void long_passive(const char *, int); int extended_port(const char *); void epsv_protounsupp(const char *); void perror_reply(int, const char *); void pwd(void); void removedir(const char *); void renamecmd(const char *, const char *); char *renamefrom(const char *); void reply(int, const char *, ...) __printflike(2, 3); void retrieve(const char *[], const char *); void send_file_list(const char *); void show_chdir_messages(int); void sizecmd(const char *); void statcmd(void); void statfilecmd(const char *); void statxfer(void); void store(const char *, const char *, int); void user(const char *); char *ftpd_strdup(const char *); void yyerror(const char *); #ifdef SUPPORT_UTMP struct utmp; void ftpd_initwtmp(void); void ftpd_logwtmp(const char *, const char *, const char *); void ftpd_login(const struct utmp *); int ftpd_logout(const char *); #endif #ifdef SUPPORT_UTMPX struct utmpx; struct sockinet; void ftpd_initwtmpx(void); void ftpd_logwtmpx(const char *, const char *, const char *, struct sockinet *, int, int); void ftpd_loginx(const struct utmpx *); int ftpd_logoutx(const char *, int, int); #endif #include #if defined(__NetBSD__) # define HAVE_SETPROCTITLE 1 # define HAVE_STRUCT_SOCKADDR_SA_LEN 1 # define HAVE_SOCKADDR_SNPRINTF 1 #endif struct sockinet { union sockunion { struct sockaddr_in su_sin; #ifdef INET6 struct sockaddr_in6 su_sin6; #endif } si_su; #if !defined(HAVE_STRUCT_SOCKADDR_SA_LEN) int si_len; #endif }; #if !defined(HAVE_STRUCT_SOCKADDR_SA_LEN) # define su_len si_len #else # define su_len si_su.su_sin.sin_len #endif #define su_addr si_su.su_sin.sin_addr #define su_family si_su.su_sin.sin_family #define su_port si_su.su_sin.sin_port #ifdef INET6 # define su_6addr si_su.su_sin6.sin6_addr # define su_scope_id si_su.su_sin6.sin6_scope_id #endif struct tab { const char *name; short token; short state; short flags; /* 1 if command implemented, 2 if has options, 4 if can occur OOB */ const char *help; char *options; }; struct ftpconv { struct ftpconv *next; char *suffix; /* Suffix of requested name */ char *types; /* Valid file types */ char *disable; /* File to disable conversions */ char *command; /* Command to do the conversion */ }; typedef enum { CLASS_GUEST, CLASS_CHROOT, CLASS_REAL } class_ft; typedef enum { FLAG_checkportcmd = 1<<0, /* Check port commands */ FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */ FLAG_hidesymlinks = 1<<2, /* For symbolic links, list the file or directory the link references rather than the link itself */ FLAG_modify = 1<<3, /* Allow CHMOD, DELE, MKD, RMD, RNFR, UMASK */ FLAG_passive = 1<<4, /* Allow PASV mode */ FLAG_private = 1<<5, /* Don't publish class info in STAT */ FLAG_sanenames = 1<<6, /* Restrict names of uploaded files */ FLAG_upload = 1<<7, /* As per modify, but also allow APPE, STOR, STOU */ } classflag_t; #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x)) #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x)) #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x)) struct ftpclass { struct sockinet advertise; /* PASV address to advertise as */ char *chroot; /* Directory to chroot(2) to at login */ char *classname; /* Current class */ struct ftpconv *conversions; /* List of conversions */ char *display; /* File to display upon chdir */ char *homedir; /* Directory to chdir(2) to at login */ classflag_t flags; /* Flags; see classflag_t above */ LLT limit; /* Max connections (-1 = unlimited) */ char *limitfile; /* File to display if limit reached */ LLT maxfilesize; /* Maximum file size of uploads */ LLT maxrateget; /* Maximum get transfer rate throttle */ LLT maxrateput; /* Maximum put transfer rate throttle */ LLT maxtimeout; /* Maximum permitted timeout */ char *motd; /* MotD file to display after login */ char *notify; /* Files to notify about upon chdir */ LLT portmin; /* Minumum port for passive mode */ LLT portmax; /* Maximum port for passive mode */ LLT rateget; /* Get (RETR) transfer rate throttle */ LLT rateput; /* Put (STOR) transfer rate throttle */ LLT timeout; /* Default timeout */ class_ft type; /* Class type */ mode_t umask; /* Umask to use */ LLT mmapsize; /* mmap window size */ LLT readsize; /* data read size */ LLT writesize; /* data write size */ LLT recvbufsize; /* SO_RCVBUF size */ LLT sendbufsize; /* SO_SNDBUF size */ LLT sendlowat; /* SO_SNDLOWAT size */ }; __dead extern void ftp_loop(void); extern void ftp_handle_line(char *); #ifndef GLOBAL #define GLOBAL extern #endif GLOBAL struct sockinet ctrl_addr; GLOBAL struct sockinet data_dest; GLOBAL struct sockinet data_source; GLOBAL struct sockinet his_addr; GLOBAL struct sockinet pasv_addr; GLOBAL int connections; GLOBAL struct ftpclass curclass; GLOBAL int ftpd_debug; GLOBAL char *emailaddr; GLOBAL int form; GLOBAL int gidcount; /* number of entries in gidlist[] */ GLOBAL gid_t *gidlist; GLOBAL int hasyyerrored; GLOBAL char hostname[MAXHOSTNAMELEN+1]; GLOBAL char homedir[MAXPATHLEN]; #ifdef KERBEROS5 GLOBAL krb5_context kcontext; #endif GLOBAL int logged_in; GLOBAL int logging; GLOBAL int pdata; /* for passive mode */ #if defined(HAVE_SETPROCTITLE) GLOBAL char proctitle[BUFSIZ]; /* initial part of title */ #endif GLOBAL struct passwd *pw; GLOBAL int quietmessages; GLOBAL char remotehost[MAXHOSTNAMELEN+1]; GLOBAL char remoteloghost[2 * MAXHOSTNAMELEN + 4]; GLOBAL off_t restart_point; GLOBAL char tmpline[FTP_BUFLEN]; GLOBAL int type; GLOBAL int usedefault; /* for data transfers */ GLOBAL const char *version; GLOBAL int is_oob; /* total file data bytes */ GLOBAL off_t total_data_in, total_data_out, total_data; /* total number of data files */ GLOBAL off_t total_files_in, total_files_out, total_files; /* total bytes */ GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes; /* total number of xfers */ GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers; extern struct tab cmdtab[]; #define INTERNAL_LS "/bin/ls" #define CMD_IMPLEMENTED(x) ((x)->flags != 0) #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2) #define CMD_OOB(x) ((x)->flags & 0x4) #define CPUTC(c, f) do { \ putc(c, f); total_bytes++; total_bytes_out++; \ } while (0) #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \ curclass.type == CLASS_CHROOT ? "CHROOT" : \ curclass.type == CLASS_REAL ? "REAL" : \ "" #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0') #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0') #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0') #define NEXTWORD(P, W) do { \ (W) = strsep(&(P), " \t"); \ } while ((W) != NULL && *(W) == '\0') #define PLURAL(s) ((s) == 1 ? "" : "s") #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0) #ifndef IPPORT_ANONMAX # define IPPORT_ANONMAX 65535 #endif