2.9BSD - /usr/src/ucb/delivermail/dlvrmail.h

   1: /*
   2: **  DLVRMAIL.H -- Global definitions for delivermail.
   3: **
   4: **	Most of these are actually allocated in globals.c
   5: **
   6: **	@(#)dlvrmail.h	2.2	11/21/80
   7: */
   8: 
   9: 
  10: 
  11: 
  12: # include "useful.h"
  13: 
  14: /*
  15: **  Manifest constants.
  16: */
  17: 
  18: # define MAXLINE    256 /* maximum line length */
  19: # define MAXNAME    128 /* maximum length of a name */
  20: # define MAXFIELD   2500    /* maximum total length of a header field */
  21: # define MAXPV      15  /* maximum # of parms to mailers */
  22: # define MAXHOP     30  /* maximum value of HopCount */
  23: # define ALIASFILE  "/usr/lib/aliases"  /* location of alias file */
  24: 
  25: 
  26: 
  27: 
  28: 
  29: /*
  30: **  Mailer definition structure.
  31: **	Every mailer known to the system is declared in this
  32: **	structure.  It defines the pathname of the mailer, some
  33: **	flags associated with it, and the argument vector to
  34: **	pass to it.  The flags are defined in conf.c
  35: **
  36: **	The argument vector is expanded before actual use.  Every-
  37: **	thing is passed through except for things starting with "$".
  38: **	"$x" defines some interpolation, as described in conf.c
  39: **	"$x" where x is unknown expands to "x", so use "$$" to get "$".
  40: */
  41: 
  42: struct mailer
  43: {
  44:     char    *m_mailer;  /* pathname of the mailer to use */
  45:     short   m_flags;    /* status flags, see below */
  46:     short   m_badstat;  /* the status code to use on unknown error */
  47:     char    **m_local;  /* list of local names for this host */
  48:     char    *m_argv[MAXPV]; /* template argument vector */
  49: };
  50: 
  51: # define M_FOPT     0001    /* mailer takes picky -f flag */
  52: # define M_ROPT     0002    /* mailer takes picky -r flag */
  53: # define M_QUIET    0004    /* don't print error on bad status */
  54: # define M_RESTR    0010    /* must be daemon to execute */
  55: # define M_HDR      0020    /* insert From line */
  56: # define M_NOHOST   0040    /* ignore host in comparisons */
  57: # define M_STRIPQ   0100    /* strip quote characters from user/host */
  58: # define M_FHDR     0200    /* force good From line */
  59: 
  60: extern struct mailer Mailer[];
  61: 
  62: 
  63: /*
  64: **  Address structure.
  65: **	Addresses are stored internally in this structure.
  66: */
  67: 
  68: struct address
  69: {
  70:     char        *q_paddr;   /* the printname for the address */
  71:     char        *q_user;    /* user name */
  72:     char        *q_host;    /* host name */
  73:     struct mailer   *q_mailer;  /* mailer to use */
  74:     struct address  *q_next;    /* chain */
  75:     struct address  *q_prev;    /* back pointer */
  76: };
  77: 
  78: typedef struct address addrq;
  79: 
  80: /* some other primitives */
  81: # define nxtinq(q)  ((q)->q_next)
  82: # define clearq(q)  (q)->q_next = (q)->q_prev = NULL
  83: 
  84: extern addrq SendQ;     /* queue of people to send to */
  85: extern addrq AliasQ;        /* queue of people that are aliases */
  86: 
  87: 
  88: /*
  89: **  Parse structure.
  90: **	This table drives the parser which determines the network
  91: **	to send the mail to.
  92: */
  93: 
  94: struct parsetab
  95: {
  96:     char    p_char;     /* trigger character */
  97:     char    p_mailer;   /* the index of the mailer to call */
  98:     short   p_flags;    /* see below */
  99:     char    *p_arg;     /* extra info needed for some flags */
 100: };
 101: 
 102: # define P_MAP      0001    /* map p_char -> p_arg[0] */
 103: # define P_HLAST    0002    /* host is last, & right associative */
 104: # define P_ONE      0004    /* can only be one p_char in addr */
 105: # define P_MOVE     0010    /* send untouched to host p_arg */
 106: # define P_USR_UPPER    0020    /* don't map UPPER->lower in user names */
 107: # define P_HST_UPPER    0040    /* don't map UPPER->lower in host names */
 108: 
 109: 
 110: 
 111: 
 112: /*
 113: **  Global variables.
 114: */
 115: 
 116: extern bool ArpaFmt;    /* if set, message is in arpanet fmt */
 117: extern bool FromFlag;   /* if set, "From" person is explicit */
 118: extern bool Debug;      /* if set, debugging info */
 119: extern bool MailBack;   /* mail back response on error */
 120: extern bool BerkNet;    /* called from BerkNet */
 121: extern bool WriteBack;  /* write back response on error */
 122: extern bool NoAlias;    /* if set, don't do any aliasing */
 123: extern bool ForceMail;  /* if set, mail even if already got a copy */
 124: extern bool MeToo;      /* send to the sender also */
 125: extern bool UseMsgId;   /* put msg-id's in all msgs [conf.c] */
 126: extern bool IgnrDot;    /* don't let dot end messages */
 127: extern bool SaveFrom;   /* save leading "From" lines */
 128: extern int  Errors;     /* set if errors */
 129: extern int  ExitStat;   /* exit status code */
 130: extern char InFileName[];   /* input file name */
 131: extern char Transcript[];   /* the transcript file name */
 132: extern char MsgId[];    /* the message id for this message */
 133: extern addrq    From;       /* the person it is from */
 134: extern char *To;        /* the target person */
 135: extern int  HopCount;   /* hop count */
 136: 
 137: 
 138: # include   <sysexits.h>
 139: 
 140: # define flagset(bits, word)    ((bits) & (word))
 141: # define setstat(s)     { if (ExitStat == EX_OK) ExitStat = s; }

Defined struct's

Defined typedef's

Defined macros

Usage of this include