OpenSolaris_b135/cmd/mail/mail.h
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _MAIL_H
#define _MAIL_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* All global externs defined here. All variables are initialized
* in init.c
*
* !!!!!IF YOU CHANGE (OR ADD) IT HERE, DO IT THERE ALSO !!!!!!!!
*
*/
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <errno.h>
#include <pwd.h>
#include <signal.h>
#include <string.h>
#include <grp.h>
/* The following is a kludge to allow for inconsistent header files in SVR4 */
#define _CLOCK_T
#include <time.h>
#include <sys/stat.h>
#include <setjmp.h>
#include <sys/utsname.h>
#include <limits.h>
#ifdef SVR3
struct utimbuf {
time_t actime;
time_t modtime;
};
#else
# include <utime.h>
#endif
#include "libmail.h"
/* The following typedefs must be used in SVR4 */
#ifdef SVR3
# ifndef sun
typedef int gid_t;
typedef int uid_t;
# endif
typedef int pid_t;
#endif
#define CHILD 0
#define SAME 0
#define BELL 07
# define PIPER "/usr/lib/mail/mail_pipe"
#define SENDMAIL "/usr/lib/sendmail"
#define CERROR -1
#define CSUCCESS 0
#define TRUE 1
#define FALSE 0
#define HEAD 1
#define TAIL 0
#define REAL 1
#define DEFAULT 0
/* findSurg() return values */
#define NOMATCH -1
#define DELIVER 0
#define POSTDELIVER 1
#define DENY 2
#define TRANSLATE 3
/* sendsurg() return values */
#define FAILURE 0
#define CONTINUE 1
#define SUCCESS 2
/* TRANSLATE 3 */
#define HDRSIZ 1024 /* maximum length of header line */
#define E_FLGE 1 /* flge error */
#define E_FLGE_OM 2 /* flgE error, mail present but already accessed */
#define E_REMOTE 1 /* unknown remote */
#define E_FILE 2 /* file error */
#define E_SPACE 3 /* no space */
#define E_FRWD 4 /* cannot forward */
#define E_SYNTAX 5 /* syntax error */
#define E_FRWL 6 /* forwarding loop */
#define E_SNDR 7 /* invalid sender */
#define E_USER 8 /* invalid user */
#define E_FROM 9 /* too many From lines */
#define E_PERM 10 /* bad permissions */
#define E_MBOX 11 /* mbox problem */
#define E_TMP 12 /* temporary file problem */
#define E_DEAD 13 /* Cannot create dead.letter */
#define E_UNBND 14 /* Unbounded forwarding */
#define E_LOCK 15 /* cannot create lock file */
#define E_GROUP 16 /* no group id of 'mail' */
#define E_MEM 17 /* malloc failure */
#define E_FORK 18 /* could not fork */
#define E_PIPE 19 /* could not pipe */
#define E_OWNR 20 /* invoker does not own mailfile */
#define E_DENY 21 /* permission denied by mailsurr file */
#define E_SURG 22 /* surrogate command failed - rc != 0 || 99 */
#define H_AFWDCNT 1 /* "Auto-Forward-Count:" */
#define H_AFWDFROM 2 /* "Auto-Forwarded-From:" */
#define H_CLEN 3 /* "Content-Length:" */
#define H_CTYPE 4 /* "Content-Type:" */
#define H_DATE 5 /* "Date:" */
#define H_DEFOPTS 6 /* "Default-Options:" */
#define H_EOH 7 /* "End-of-Header:" */
#define H_FROM 8 /* "From " */
#define H_FROM1 9 /* ">From " */
#define H_FROM2 10 /* "From: " */
#define H_MIMEVERS 11 /* "MIME-Version:" */
#define H_MTSID 12 /* "MTS-Message-ID:" */
#define H_MTYPE 13 /* "Message-Type:" */
#define H_MVERS 14 /* "Message-Version:" */
#define H_MSVC 15 /* "Message-Service:" */
#define H_RECEIVED 16 /* "Received:" */
#define H_RVERS 17 /* "Report-Version:" */
#define H_SUBJ 18 /* "Subject:" */
#define H_TO 19 /* "To:" */
#define H_TCOPY 20 /* ">To:" */
#define H_TROPTS 21 /* "Transport-Options:" */
#define H_UAID 22 /* "UA-Content-ID:" */
#define H_DAFWDFROM 23 /* Hold A-F-F when sending Del. Notf. */
#define H_DTCOPY 24 /* Hold ">To:" when sending Del. Notf.*/
#define H_DRECEIVED 25 /* Hold Rcvd: when sending Del. Notf.*/
#define H_CONT 26 /* Continuation of previous line */
#define H_NAMEVALUE 27 /* unrecognized "name: value" hdr line*/
/* MTA Transport Options */
#define DELIVERY 001
#define NODELIVERY 002
#define REPORT 010
#define RETURN 020
#define IGNORE 040
/*
copylet flags
*/
#define REMOTE 1 /* remote mail, add rmtmsg */
#define ORDINARY 2
#define ZAP 3 /* zap header and trailing empty line */
#define FORWARD 4
#define TTY 5 /* suppress binary to tty */
#define LSIZE (2*BUFSIZ) /* maximum size of a line */
#define MAXLET 1000 /* maximum number of letters */
#define FROMLEVELS 20 /* maxium number of forwards */
#ifdef FILENAME_MAX
# define MAXFILENAME FILENAME_MAX /* max length of a filename */
#else
# define MAXFILENAME 512 /* max length of a filename */
#endif
#define DEADPERM 0600 /* permissions of dead.letter */
#ifndef MFMODE
#define MFMODE 0660 /* create mode for `/var/mail' files */
#endif
#define A_OK 0 /* return value for access */
#define A_EXECUTE 1
#define A_EXIST 0 /* access check for existence */
#define A_WRITE 2 /* access check for write permission */
#define A_READ 4 /* access check for read permission */
# define MAILSURR "/etc/mail/mailsurr"
# define MAILCNFG "/etc/mail/mailcnfg"
struct hdr {
char *tag;
int default_display;
};
struct hdrs {
struct hdrs *next;
struct hdrs *prev;
struct hdrs *cont; /* Continuation lines */
char value[HDRSIZ+1];
};
struct hdrlines {
struct hdrs *head;
struct hdrs *tail;
};
typedef struct recip {
struct recip *next;
char *name;
} recip;
typedef struct reciplist {
recip *last_recip;
recip recip_list;
} reciplist;
struct let {
long adr; /* offset in mailfile of letter n */
char change; /* disposition status of letter n */
char text; /* 1 ==> text content, 0 ==> binary content.
* This is determined INDEPENDENTLY of what
* the Content-type, if present, says...
*/
};
typedef enum t_surrtype
{
t_eof, t_transport = '<',
t_accept = 'a', t_deny = 'd',
t_translate = 't', t_postprocess = '>'
} t_surrtype;
typedef struct t_surrfile
{
/* originator's regular expression */
string *orig_pattern;
char *orig_regex;
int orig_reglen;
int orig_nbra;
/* recipient's regular expression */
string *recip_pattern;
char *recip_regex;
int recip_reglen;
int recip_nbra;
/* the type of the command string */
t_surrtype surr_type;
int batchsize; /* transport translate postprocess */
char *statlist; /* transport */
string *cmd_left; /* transport translate postprocess */
string *cmd_right; /* transport translate postprocess */
int fullyresolved; /* translate */
} t_surrfile;
#include <stdlib.h>
#include <unistd.h>
extern void Dout(char *subname, int level, char *fmt, ...);
extern void Tout(char *subname, char *msg, ...);
extern int add_recip(reciplist *plist, char *name, int checkdups);
extern char *altcompile(const char *instring, char *expbuf, char *endbuf);
extern int areforwarding(char *mailfile);
extern void cat(char*, char*, char*);
extern int ckdlivopts(int tcopy_hdr, int *svopts);
extern void cksaved(char *user);
extern int cksurg_rc(int surr_num, int rc);
extern void clr_hinfo(void);
extern void clrhdr(int hdrtype);
extern void cmdexpand(int letnum, string *instr, string *outstr, char **lbraslist, char **lbraelist);
extern void copyback(void);
extern int copylet(int letnum, FILE *f, int type);
extern void copymt(FILE *f1, FILE *f2);
extern void createmf(uid_t uid, char *file);
extern void del_reciplist (reciplist *list);
extern void delete(int);
extern void doFopt(void);
extern void done(int) __NORETURN;
extern void sig_done(int);
extern FILE *doopen(char *file, char *type, int errnum);
extern int dowait(pid_t pidval);
extern void dumpaff(int type, int htype, int *didafflines, int *suppress, FILE *f);
extern void dumprcv(int type, int htype, int *didrcvlines, int *suppress, FILE *f);
extern void errmsg(int error_value, char *error_message);
extern int findSurg(int letnum, string *execbuf, int flag, int *psurr_num, int *paccept, string *lorig, string *lrecipname);
extern void gendeliv(FILE *fp, int rc, char *name);
extern int getcomment(char *s, char *q);
extern int gethead(int current, int all);
extern int getline(char *ptr2line, int max, FILE *f);
extern int getnumbr(char *s);
extern int getsurr(FILE *fp, string *buf, int firstfield);
extern void goback(int letnum);
extern int init(void);
extern void initsurrfile(void);
extern int isheader(char *lp, int *ctfp);
extern int isit(char *lp, int type);
extern int islocal(char *user, uid_t *puid);
extern int istext(unsigned char *s, int size);
extern int legal(char *file);
extern void lock(char *user);
extern void madd_recip(reciplist *plist, char *name, int checkdups);
extern char *mailcompile(string *pattern, int *retlen, int *retnbra);
extern void mkdead(void);
extern void mktmp(void);
extern void mta_ercode(FILE *outfile);
extern void new_reciplist (reciplist *list);
extern int notme(char *fto, char *myname);
extern int parse(int argc, char **argv);
extern int pckaffspot(void);
extern int pckrcvspot(void);
extern void pickFrom(char *lineptr);
extern int pipletr(int letter, char *command, int cltype);
extern void poplist (int hdrtype, int where);
extern int printhdr (int type, int hdrtype, struct hdrs *hptr, FILE *fp);
extern void printmail(void);
extern void pushlist(int hdrtype, int where, char *s, int contflg);
extern void savdead(void);
extern void savehdrs(char *s, int hdrtype);
extern int sel_disp (int type, int hdrtype, char *s);
extern int sendlist(reciplist *list, int letnum, int level);
extern void sendmail(int argc, char **argv);
extern int sendsurg(reciplist *plist, int letnum, int flag, int local);
extern void setletr(int letter, int status);
extern void (*setsig(int i, void(*f)()))();
extern void setsurg_bt(string *st, int *pbatchsize, int *presolved);
extern char *setsurg_rc(string *st, int defreal, int *pbatchsize);
extern char **setup_exec(char*);
extern void stamp(void);
extern int systm(char *s);
extern void tmperr(void);
extern string *tokdef(string *fld, string *tok, char *name);
extern int translate(reciplist *plist, char *cmdstr, char *origname);
extern void unlock(void);
extern int validmsg(int);
extern int wtmpf(char *str, int length);
extern int ac; /* argument list count */
extern char **av; /* argument list */
extern int affbytecnt; /* Total bytes of Auto-Fwd. info in msg. */
extern int affcnt; /* Number of Auto-Fwd.-From: lines in msg. */
extern int Daffbytecnt; /* Hold affbytecnt when sending Deliv. Notif. */
extern int Daffcnt; /* Hold affcnt when sending Deliv. Notif. */
extern char binmsg[];
extern int changed; /* > 0 says mailfile has changed */
extern char datestring[60];
extern char dbgfname[20]; /* name of file for debugging output */
extern FILE *dbgfp; /* FILE* for debugging output */
extern char dead[]; /* name of dead.letter */
extern int debug; /* Controls debugging level. 0 ==> no debugging */
extern int delflg;
extern int dflag; /* 1 says returning unsendable mail */
extern char *errlist[];
extern int error; /* Local value for error */
extern char *failsafe; /* $FAILSAFE */
extern int file_size;
extern int flge; /* 1 ==> 'e' option specified */
extern int flgE; /* 1 ==> 'E' option specified */
extern int flgF; /* 1 ==> Installing/Removing Forwarding */
extern int flgf; /* 1 ==> 'f' option specified */
extern int flgh; /* 1 ==> 'h' option specified */
extern int flgm;
extern int flgp; /* 1 ==> 'p' option specified */
extern int flgP; /* 1 ==> 'P' option specified */
extern int flgr; /* 1 ==> 'r' option -- print in fifo order */
extern int flgt; /* 1 ==> 't' option -- add To: line to letter */
extern int flgT; /* 1 ==> 'T' option specified */
extern int flgw; /* 1 ==> 'w' option specified */
extern int fnuhdrtype; /* type of first non-UNIX header line */
extern char forwmsg[]; /* " forwarded by %s" */
extern char frwlmsg[]; /* "Forwarding loop detected in mailfile" */
extern char fromS[1024]; /* stored here by sendmail for sendsurg */
extern char fromU[1024]; /* stored here by sendmail for sendsurg */
extern char frwrd[]; /* forwarding sentinel */
extern char fwdFrom[1024];
extern int goerr; /* counts parsing errors */
extern struct group *grpptr; /* pointer to struct group */
extern struct hdrlines hdrlines[H_CONT];
extern struct hdr header[]; /* H_* #define's used to index into array */
extern char *help[];
extern char *hmbox; /* pointer to $HOME/mbox */
extern char *hmdead; /* pointer to $HOME/dead.letter */
extern char *home; /* pointer to $HOME */
extern time_t iop;
extern int interactive; /* 1 says user is interactive */
extern int ismail; /* default to program=mail */
extern int deliverflag; /* -d flag, bypass sendmail and go to mbox */
extern int fromflag; /* -f from_user while sending */
extern int keepdbgfile; /* does debug file get deleted at end? */
extern struct let let[MAXLET];
extern char *lettmp; /* pointer to tmp filename */
extern char lfil[MAXFILENAME];
extern char line[LSIZE]; /* holds a line of a letter in many places */
extern char *mailfile; /* pointer to mailfile */
extern char mailcnfg[]; /* /etc/mail/mailcnfg */
extern char maildir[]; /* directory for mail files */
extern gid_t mailgrp; /* numeric id of group 'mail' */
extern char mailsave[]; /* dir for save files */
extern char *mailsurr; /* surrogate file name */
extern FILE *malf; /* File pointer for mailfile */
extern int maxerr; /* largest value of error */
extern char mbox[]; /* name for mbox */
extern uid_t mf_uid; /* uid of user's mailfile */
extern gid_t mf_gid; /* gid of user's mailfile */
extern char *msgtype;
extern char my_name[1024]; /* user's name who invoked this command */
extern char from_user[1024];/* name of user mail's from, used w/ -f */
extern uid_t my_euid; /* user's euid */
extern gid_t my_egid; /* user's egid */
extern uid_t my_uid; /* user's uid */
extern gid_t my_gid; /* user's gid */
extern int nlet; /* current number of letters in mailfile */
extern int onlet; /* number of letters in mailfile at startup*/
extern int optcnt; /* Number of options specified */
extern int orig_aff; /* orig. msg. contained H_AFWDFROM lines */
extern int orig_dbglvl; /* argument to -x invocation option */
extern int orig_rcv; /* orig. msg. contained H_RECEIVED lines */
extern int orig_tcopy; /* orig. msg. contained H_TCOPY lines */
extern struct passwd *pwd; /* holds passwd entry for this user */
extern int pflg; /* binary message display override flag */
extern int Pflg; /* Selective display flag; 1 ==> display all */
extern char *program; /* program name */
extern int rcvbytecnt; /* Total bytes of Received: info in msg. */
extern int Drcvbytecnt; /* Hold rcvbytecnt when sending Del. Notif. */
extern char *recipname; /* full recipient name/address */
extern int replying; /* 1 says we are replying to a letter */
extern char RFC822datestring[60];/* Date in RFC822 date format */
extern char rmtmsg[]; /* "remote from %s" */
extern char Rpath[1024]; /* return path to sender of message */
extern char rtrnmsg[]; /* "UNDELIVERABLE MAIL being returned by %s" */
extern int sav_errno;
extern char savefile[MAXFILENAME]; /* holds filename of save file */
extern void (*saveint)(int);
extern char *seldisp[];
extern int sending; /* TRUE==>sending mail; FALSE==>printing mail */
extern char m_sendto[1024];
extern jmp_buf sjbuf;
extern int surg_rc; /* exit code of surrogate command */
extern t_surrfile *surrfile; /* the compiled surrogate file */
extern int surr_len; /* # entries in surrogate file */
extern char *SURRcmdstr; /* save in case of FAILURE */
extern FILE *SURRerrfile; /* stderr from surrogate in case of failure */
extern char *thissys; /* Holds name of the system we are on */
extern FILE *tmpf; /* file pointer for temporary files */
extern mode_t umsave;
extern struct utsname utsn;
extern struct utimbuf *utimep;
extern char uval[1024];
#ifdef NOTDEF
#ifdef sun
#define _NFILE getdtablesize()
#endif
#endif /* NOTDEF */
#endif /* _MAIL_H */