2.11BSD/src/libexec/popper/popper.h
/*
* Copyright (c) 1989 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
* static char SccsId[] = "@(#)@(#)popper.h 2.2.2 (2.11BSD) 1996/3/21";
*
*/
/* LINTLIBRARY */
/*
* Header file for the POP programs
*/
#include <syslog.h>
#include <paths.h>
#include "version.h"
#define NULLCP ((char *) 0)
#define SPACE 32
#define TAB 9
#define TRUE 1
#define FALSE 0
#define NEWLINE '\n'
#define MAXHOSTNAMELEN 256
#define MAXUSERNAMELEN 65
#define MAXDROPLEN 64
#define MAXLINELEN 1024
#define MAXMSGLINELEN 1024
#define MAXCMDLEN 4
#define MAXPARMCOUNT 5
#define MAXPARMLEN 10
#define ALLOC_MSGS 20
#define MAIL_COMMAND _PATH_SENDMAIL
#define POP_FACILITY LOG_LOCAL0
#define POP_PRIORITY LOG_NOTICE
#define POP_DEBUG LOG_DEBUG
#define POP_LOGOPTS 0
#define POP_MAILDIR "/usr/spool/mail"
#define POP_DROP "/usr/spool/mail/.%s.pop"
/* POP_TMPSIZE needs to be big enough to hold the string
* defined by POP_TMPDROP. POP_DROP and POP_TMPDROP
* must be in the same filesystem.
*/
#define POP_TMPDROP "/usr/spool/mail/tmpXXXXXX"
#define POP_TMPSIZE 256
#define POP_TMPXMIT "/tmp/xmitXXXXXX"
#define POP_OK "+OK"
#define POP_ERR "-ERR"
#define POP_SUCCESS 1
#define POP_FAILURE 0
#define POP_TERMINATE '.'
extern int errno;
extern char * sys_siglist[];
#define pop_command pop_parm[0] /* POP command is first token */
#define pop_subcommand pop_parm[1] /* POP XTND subcommand is the
second token */
typedef enum { /* POP processing states */
auth1, /* Authorization: waiting for
USER command */
auth2, /* Authorization: waiting for
PASS command */
trans, /* Transaction */
update, /* Update: session ended,
process maildrop changes */
halt, /* (Halt): stop processing
and exit */
error /* (Error): something really
bad happened */
} state;
typedef struct { /* State information for
each POP command */
state ValidCurrentState; /* The operating state of
the command */
char * command; /* The POP command */
int min_parms; /* Minimum number of parms
for the command */
int max_parms; /* Maximum number of parms
for the command */
int (*function) (); /* The function that process
the command */
state result[2]; /* The resulting state after
command processing */
#define success_state result[0] /* State when a command
succeeds */
} state_table;
typedef struct { /* Table of extensions */
char * subcommand; /* The POP XTND subcommand */
int min_parms; /* Minimum number of parms for
the subcommand */
int max_parms; /* Maximum number of parms for
the subcommand */
int (*function) (); /* The function that processes
the subcommand */
} xtnd_table;
typedef struct { /* Message information */
int number; /* Message number relative to
the beginning of list */
long length; /* Length of message in
bytes */
int lines; /* Number of (null-terminated) lines in the message */
long offset; /* Offset from beginning of
file */
int del_flag; /* Flag indicating if message
is marked for deletion */
int retr_flag; /* Flag indicating if message
was retrieved */
} MsgInfoList;
typedef struct { /* POP parameter block */
int debug; /* Debugging requested */
char * myname; /* The name of this POP
daemon program */
char myhost[MAXHOSTNAMELEN]; /* The name of our host
computer */
char * client; /* Canonical name of client
computer */
char * ipaddr; /* Dotted-notation format of
client IP address */
unsigned short ipport; /* Client port for privileged
operations */
char user[MAXUSERNAMELEN]; /* Name of the POP user */
state CurrentState; /* The current POP operational state */
MsgInfoList * mlp; /* Message information list */
int msg_count; /* Number of messages in
the maildrop */
int msgs_deleted; /* Number of messages flagged
for deletion */
int last_msg; /* Last message touched by
the user */
long bytes_deleted; /* Number of maildrop bytes
flagged for deletion */
char drop_name[MAXDROPLEN]; /* The name of the user's
maildrop */
char temp_drop[MAXDROPLEN]; /* The name of the user's
temporary maildrop */
long drop_size; /* Size of the maildrop in
bytes */
FILE * drop; /* (Temporary) mail drop */
FILE * input; /* Input TCP/IP communication
stream */
FILE * output; /* Output TCP/IP communication stream */
FILE * trace; /* Debugging trace file */
char * pop_parm[MAXPARMCOUNT]; /* Parse POP parameter list */
int parm_count; /* Number of parameters in
parsed list */
} POP;
extern int pop_dele();
extern int pop_last();
extern int pop_list();
extern int pop_pass();
extern int pop_quit();
extern int pop_rset();
extern int pop_send();
extern int pop_stat();
extern int pop_updt();
extern int pop_user();
extern int pop_xtnd();
extern int pop_xmit();
extern long lseek();