v18i102: Elm mail system, release 2.2, Part23/24
Rich Salz
rsalz at uunet.uu.net
Fri Apr 14 07:19:55 AEST 1989
Submitted-by: dsinc!syd at uunet.UU.NET (Syd Weinstein)
Posting-number: Volume 18, Issue 102
Archive-name: elm2.2/part23
#!/bin/sh
# this is part 23 of a multipart archive
# do not concatenate these parts, unpack them in order with /bin/sh
# file utils/arepdaem.c continued
#
CurArch=23
if test ! -r s2_seq_.tmp
then echo "Please unpack part 1 first!"
exit 1; fi
( read Scheck
if test "$Scheck" != $CurArch
then echo "Please unpack part $Scheck next!"
exit 1;
else exit 0; fi
) < s2_seq_.tmp || exit 1
echo "x - Continuing file utils/arepdaem.c"
sed 's/^X//' << 'SHAR_EOF' >> utils/arepdaem.c
X }
X}
X
Xremove_first_word(string)
Xchar *string;
X{ /** removes first word of string, ie up to first non-white space
X following a white space! **/
X
X register int loc;
X
X for (loc = 0; string[loc] != ' ' && string[loc] != '\0'; loc++)
X ;
X
X while (string[loc] == ' ' || string[loc] == '\t')
X loc++;
X
X move_left(string, loc);
X}
X
Xmove_left(string, chars)
Xchar string[];
Xint chars;
X{
X /** moves string chars characters to the left DESTRUCTIVELY **/
X
X register int i;
X
X chars--; /* index starting at zero! */
X
X for (i=chars; string[i] != '\0' && string[i] != '\n'; i++)
X string[i-chars] = string[i];
X
X string[i-chars] = '\0';
X}
X
Xreply_to_mail(person, from, subject)
Xint person;
Xchar *from, *subject;
X{
X /** Respond to the message from the specified person with the
X specified subject... **/
X
X char buffer[SLEN];
X
X if (strlen(subject) == 0)
X strcpy(subject, "Auto-reply Mail");
X else if (! first_word(subject,"Auto-reply")) {
X sprintf(buffer, "Auto-reply to:%s", subject);
X strcpy(subject, buffer);
X }
X
X log("auto-replying to '%s'", from);
X
X mail(from, subject, reply_table[person].replyfile, person);
X}
X
Xreverse(string)
Xchar *string;
X{
X /** reverse string... pretty trivial routine, actually! **/
X
X char buffer[SLEN];
X register int i, j = 0;
X
X for (i = strlen(string)-1; i >= 0; i--)
X buffer[j++] = string[i];
X
X buffer[j] = '\0';
X
X strcpy(string, buffer);
X}
X
Xlong
Xbytes(name)
Xchar *name;
X{
X /** return the number of bytes in the specified file. This
X is to check to see if new mail has arrived.... **/
X
X int ok = 1;
X extern int errno; /* system error number! */
X struct stat buffer;
X
X if (stat(name, &buffer) != 0)
X if (errno != 2) {
X unlock();
X exit(fprintf(stderr,"Error %d attempting fstat on %s", errno, name));
X }
X else
X ok = 0;
X
X return(ok ? buffer.st_size : 0);
X}
X
Xmail(to, subject, filename, person)
Xchar *to, *subject, *filename;
Xint person;
X{
X /** Mail 'file' to the user from person... **/
X
X char buffer[VERY_LONG_STRING];
X
X sprintf(buffer, "%s -f '%s [autoreply]' -s '%s' %s %s",
X fastmail, reply_table[person].username,
X subject, filename, to);
X
X system(buffer);
X}
X
Xlog(message, arg)
Xchar *message;
Xchar *arg;
X{
X /** Put log entry into log file. Use the format:
X date-time: <message>
X **/
X
X struct tm *localtime(), *thetime;
X long time(), clock;
X char buffer[SLEN];
X
X /** first off, get the time and date **/
X
X clock = time((long *) 0); /* seconds since ??? */
X thetime = localtime(&clock); /* and NOW the time... */
X
X /** then put the message out! **/
X
X sprintf(buffer, message, arg);
X
X fprintf(logfd,"%d/%d-%d:%02d: %s\n",
X thetime->tm_mon+1, thetime->tm_mday,
X thetime->tm_hour, thetime->tm_min,
X buffer);
X}
X
XFILE *open_logfile()
X{
X /** open the logfile. returns a valid file descriptor **/
X
X FILE *fd;
X
X if ((fd = fopen(logfile, "a")) == NULL)
X if ((fd = fopen(logfile2, "a")) == NULL) {
X unlock();
X exit(1); /* give up! */
X }
X
X return( (FILE *) fd);
X}
X
Xclose_logfile()
X{
X /** Close the logfile until needed again. **/
X
X fclose(logfd);
X}
X
Xchar *strip_parens(string)
Xchar *string;
X{
X /** Return string with all parenthesized information removed.
X This is a non-destructive algorithm... **/
X
X static char buffer[SLEN];
X register int i, depth = 0, buffer_index = 0;
X
X for (i=0; i < strlen(string); i++) {
X if (string[i] == '(')
X depth++;
X else if (string[i] == ')')
X depth--;
X else if (depth == 0)
X buffer[buffer_index++] = string[i];
X }
X
X buffer[buffer_index] = '\0';
X
X return( (char *) buffer);
X}
X
X/*** LOCK and UNLOCK - ensure only one copy of this daemon running at any
X given time by using a file existance semaphore (wonderful stuff!) ***/
X
Xlock()
X{
X /** Try to create the lock file. If it's there, or we can't
X create it for some stupid reason, return zero, otherwise,
X a non-zero return code indicates success in locking this
X process in. **/
X
X if (access(arep_lock_file, EXISTS) == 0)
X return(0); /* file already exists!! */
X
X if (creat(arep_lock_file, MODE) == -1)
X return(0); /* can't create file!! */
X
X return(1);
X}
X
Xunlock()
X{
X /** remove lock file if it's there! **/
X
X (void) unlink(arep_lock_file);
X}
SHAR_EOF
echo "File utils/arepdaem.c is complete"
chmod 0444 utils/arepdaem.c || echo "restore of utils/arepdaem.c fails"
echo "x - extracting utils/autoreply.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/autoreply.c &&
X
Xstatic char rcsid[] = "@(#)$Id: autoreply.c,v 2.3 89/03/25 21:47:41 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.3 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: autoreply.c,v $
X * Revision 2.3 89/03/25 21:47:41 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This is the front-end for the autoreply system, and performs two
X functions: it either adds the user to the list of people using the
X autoreply function (starting the daemon if no-one else) or removes
X a user from the list of people.
X
X Usage: autoreply filename
X autoreply "off"
X or autoreply [to find current status]
X
X**/
X
X#include <stdio.h>
X#include <errno.h>
X#include <sys/types.h>
X#include <sys/stat.h>
X
X#include "defs.h"
X
Xstatic char ident[] = { WHAT_STRING };
X
X#define tempdir "/tmp/arep" /* file prefix */
X#define autoreply_file "/etc/autoreply.data" /* autoreply data file */
X
Xextern int errno; /* system error code */
Xchar username[NLEN]; /* login name of user */
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X char filename[SLEN];
X
X if (argc > 2) {
X printf("Usage: %s <filename>\tto start autoreply,\n", argv[0]);
X printf(" %s off\t\tto turn off autoreply\n", argv[0]);
X printf(" or %s \t\tto check current status\n", argv[0]);
X exit(1);
X }
X
X (void) cuserid(username);
X
X if (argc == 1 || strcmp(argv[1], "off") == 0)
X remove_user((argc == 1));
X else {
X strcpy(filename, argv[1]);
X if (access(filename,READ_ACCESS) != 0) {
X printf("Error: Can't read file '%s'\n", filename);
X exit(1);
X }
X
X if (filename[0] != '/') /* prefix home directory */
X sprintf(filename,"%s/%s", getenv("HOME"), argv[1]);
X
X add_user(filename);
X }
X
X exit(0);
X}
X
Xremove_user(stat_only)
Xint stat_only;
X{
X /** Remove the user from the list of currently active autoreply
X people. If 'stat_only' is set, then just list the name of
X the file being used to autoreply with, if any. **/
X
X FILE *temp, *repfile;
X char tempfile[SLEN], user[SLEN], filename[SLEN];
X int c, copied = 0, found = 0;
X long filesize, bytes();
X
X if (! stat_only) {
X sprintf(tempfile, "%s.%06d", tempdir, getpid());
X
X if ((temp = fopen(tempfile, "w")) == NULL) {
X printf("Error: couldn't open tempfile '%s'. Not removed\n",
X tempfile);
X exit(1);
X }
X }
X
X if ((repfile = fopen(autoreply_file, "r")) == NULL) {
X if (stat_only) {
X printf("You're not currently autoreplying to mail.\n");
X exit(0);
X }
X printf("No-one is autoreplying to their mail!\n");
X exit(0);
X }
X
X /** copy out of real replyfile... **/
X
X while (fscanf(repfile, "%s %s %ld", user, filename, &filesize) != EOF)
X
X if (strcmp(user, username) != 0) {
X if (! stat_only) {
X copied++;
X fprintf(temp, "%s %s %ld\n", user, filename, filesize);
X }
X }
X else {
X if (stat_only) {
X printf("You're currently autoreplying to mail with the file %s\n", filename);
X exit(0);
X }
X found++;
X }
X
X fclose(temp);
X fclose(repfile);
X
X if (! found) {
X printf("You're not currently autoreplying to mail%s\n",
X stat_only? "." : "!");
X if (! stat_only)
X unlink(tempfile);
X exit(! stat_only);
X }
X
X /** now copy tempfile back into replyfile **/
X
X if (copied == 0) { /* removed the only person! */
X unlink(autoreply_file);
X }
X else { /* save everyone else */
X
X if ((temp = fopen(tempfile,"r")) == NULL) {
X printf("Error: couldn't reopen tempfile '%s'. Not removed.\n",
X tempfile);
X unlink(tempfile);
X exit(1);
X }
X
X if ((repfile = fopen(autoreply_file, "w")) == NULL) {
X printf(
X "Error: couldn't reopen autoreply file for writing! Not removed.\n");
X unlink(tempfile);
X exit(1);
X }
X
X while ((c = getc(temp)) != EOF)
X putc(c, repfile);
X
X fclose(temp);
X fclose(repfile);
X
X }
X unlink(tempfile);
X
X if (found > 1)
X printf("Warning: your username appeared %d times!! Removed all\n",
X found);
X else
X printf("You've been removed from the autoreply table.\n");
X}
X
Xadd_user(filename)
Xchar *filename;
X{
X /** add the user to the autoreply file... **/
X
X FILE *repfile;
X char mailfile[SLEN];
X long bytes();
X
X if ((repfile = fopen(autoreply_file, "a")) == NULL) {
X printf("Error: couldn't open the autoreply file! Not added\n");
X exit(1);
X }
X
X sprintf(mailfile,"%s/%s", mailhome, username);
X
X fprintf(repfile,"%s %s %ld\n", username, filename, bytes(mailfile));
X
X fclose(repfile);
X
X printf("You've been added to the autoreply system.\n");
X}
X
X
Xlong
Xbytes(name)
Xchar *name;
X{
X /** return the number of bytes in the specified file. This
X is to check to see if new mail has arrived.... **/
X
X int ok = 1;
X extern int errno; /* system error number! */
X struct stat buffer;
X
X if (stat(name, &buffer) != 0)
X if (errno != 2)
X exit(fprintf(stderr,"Error %d attempting fstat on %s", errno, name));
X else
X ok = 0;
X
X return(ok ? buffer.st_size : 0L);
X}
SHAR_EOF
chmod 0444 utils/autoreply.c || echo "restore of utils/autoreply.c fails"
echo "x - extracting utils/checkalias (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/checkalias &&
X: Use /bin/sh
X# checkalias: part of the Elm mail system
X# @(#)$Id: checkalias,v 2.1 89/03/03 17:46:56 syd Exp $
X
Xif [ "$*" = "" ]; then
X echo Usage: checkalias alias \[alias ...\] 1>&2
X exit 1
Xfi
X
Xexec elm -c $*
SHAR_EOF
chmod 0444 utils/checkalias || echo "restore of utils/checkalias fails"
echo "x - extracting utils/expand.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/expand.c &&
X
Xstatic char rcsid[] = "@(#)$Id: expand.c,v 2.3 89/03/25 21:47:43 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.3 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: expand.c,v $
X * Revision 2.3 89/03/25 21:47:43 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This is a library routine for the various utilities that allows
X users to have the standard 'Elm' folder directory nomenclature
X for all filenames (e.g. '+', '=' or '%'). It should be compiled
X and then linked in as needed.
X
X**/
X
X#include <stdio.h>
X#include "defs.h"
X
Xchar *expand_define();
X
Xint
Xexpand(filename)
Xchar *filename;
X{
X /** Expand the filename since the first character is a meta-
X character that should expand to the "maildir" variable
X in the users ".elmrc" file...
X
X Note: this is a brute force way of getting the entry out
X of the .elmrc file, and isn't recommended for the faint
X of heart!
X **/
X
X FILE *rcfile;
X char buffer[SLEN], *expanded_dir, *home, *getenv(), *bufptr;
X int foundit = 0;
X
X bufptr = (char *) buffer; /* same address */
X
X if ((home = getenv("HOME")) == NULL) {
X printf(
X "Can't expand environment variable $HOME to find .elmrc file!\n");
X exit(1);
X }
X
X sprintf(buffer, "%s/%s", home, elmrcfile);
X
X if ((rcfile = fopen(buffer, "r")) == NULL) {
X printf("Can't open your \".elmrc\" file (%s) for reading!\n",
X buffer);
X exit(1);
X }
X
X while (fgets(buffer, SLEN, rcfile) != NULL && ! foundit) {
X if (strncmp(buffer, "maildir", 7) == 0 ||
X strncmp(buffer, "folders", 7) == 0) {
X while (*bufptr != '=' && *bufptr)
X bufptr++;
X bufptr++; /* skip the equals sign */
X while (whitespace(*bufptr) && *bufptr)
X bufptr++;
X home = bufptr; /* remember this address */
X
X while (! whitespace(*bufptr) && *bufptr != '\n')
X bufptr++;
X
X *bufptr = '\0'; /* remove trailing space */
X foundit++;
X }
X }
X
X fclose(rcfile); /* be nice... */
X
X if (! foundit) {
X printf("Couldn't find \"maildir\" in your .elmrc file!\n");
X exit(1);
X }
X
X /** Home now points to the string containing your maildir, with
X no leading or trailing white space...
X **/
X
X expanded_dir = expand_define(home);
X
X sprintf(buffer, "%s%s%s", expanded_dir,
X (expanded_dir[strlen(expanded_dir)-1] == '/' ||
X filename[0] == '/') ? "" : "/", (char *) filename+1);
X
X strcpy(filename, buffer);
X}
X
Xchar *expand_define(maildir)
Xchar *maildir;
X{
X /** This routine expands any occurances of "~" or "$var" in
X the users definition of their maildir directory out of
X their .elmrc file.
X
X Again, another routine not for the weak of heart or staunch
X of will!
X **/
X
X static char buffer[SLEN]; /* static buffer AIEE!! */
X char name[SLEN], /* dynamic buffer!! (?) */
X *nameptr, /* pointer to name?? */
X *value; /* char pointer for munging */
X
X if (*maildir == '~')
X sprintf(buffer, "%s%s", getenv("HOME"), ++maildir);
X else if (*maildir == '$') { /* shell variable */
X
X /** break it into a single word - the variable name **/
X
X strcpy(name, (char *) maildir + 1); /* hurl the '$' */
X nameptr = (char *) name;
X while (*nameptr != '/' && *nameptr) nameptr++;
X *nameptr = '\0'; /* null terminate */
X
X /** got word "name" for expansion **/
X
X if ((value = getenv(name)) == NULL) {
X printf("Couldn't expand shell variable $%s in .elmrc!\n", name);
X exit(1);
X }
X sprintf(buffer, "%s%s", value, maildir + strlen(name) + 1);
X }
X else strcpy(buffer, maildir);
X
X return( ( char *) buffer);
X}
SHAR_EOF
chmod 0444 utils/expand.c || echo "restore of utils/expand.c fails"
echo "x - extracting utils/fastmail.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/fastmail.c &&
X
Xstatic char rcsid[] = "@(#)$Id: fastmail.c,v 2.5 89/03/25 21:47:44 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.5 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: fastmail.c,v $
X * Revision 2.5 89/03/25 21:47:44 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** This program is specifically written for group mailing lists and
X such batch type mail processing. It does NOT use aliases at all,
X it does NOT read the /etc/password file to find the From: name
X of the user and does NOT expand any addresses. It is meant
X purely as a front-end for either /bin/mail or /usr/lib/sendmail
X (according to what is available on the current system).
X
X **** This program should be used with CAUTION *****
X
X**/
X
X/** The calling sequence for this program is:
X
X fastmail {args} filename full-email-address
X
X where args could be any (or all) of;
X
X -b bcc-list (Blind carbon copies to)
X -c cc-list (carbon copies to)
X -d (debug on)
X -f from (from name)
X -F from-addr (the actual address to be put in the From: line)
X -r reply-to-address (Reply-To:)
X -s subject (subject of message)
X**/
X
X#include <stdio.h>
X#include "defs.h"
X#include "patchlevel.h"
X
X#ifdef BSD
X# ifdef TMINSYS
X# include <sys/time.h>
X# else
X# include <time.h>
X# include <sys/types.h>
X# include <sys/timeb.h>
X# endif
X#else
X# include <time.h>
X#endif
X
Xstatic char ident[] = { WHAT_STRING };
X
X#define binrmail "/bin/rmail"
X#define temphome "/tmp/fastmail."
X
X
Xchar *arpa_dayname[] = { "Sun", "Mon", "Tue", "Wed", "Thu",
X "Fri", "Sat", "" };
X
Xchar *arpa_monname[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
X "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", ""};
X
Xchar *get_arpa_date();
X
X#ifdef BSD
X char *timezone();
X#else
X extern char *tzname[];
X#endif
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X
X extern char *optarg;
X extern int optind;
X FILE *tempfile;
X char hostname[NLEN], username[NLEN], from_string[SLEN], subject[SLEN];
X char filename[SLEN], tempfilename[SLEN], command_buffer[256];
X char replyto[SLEN], cc_list[SLEN], bcc_list[SLEN], to_list[SLEN];
X char from_addr[SLEN];
X int c, sendmail_available, debug = 0;
X
X subject[0] = '\0';
X replyto[0] = '\0';
X cc_list[0] = '\0';
X bcc_list[0] = '\0';
X from_addr[0] = '\0';
X
X while ((c = getopt(argc, argv, "b:c:df:F:r:s:")) != EOF) {
X switch (c) {
X case 'b' : strcpy(bcc_list, optarg); break;
X case 'c' : strcpy(cc_list, optarg); break;
X case 'd' : debug++; break;
X case 'f' : strcpy(from_string, optarg); break;
X case 'F' : strcpy(from_addr, optarg); break;
X case 'r' : strcpy(replyto, optarg); break;
X case 's' : strcpy(subject, optarg); break;
X case '?' :
X fprintf(stderr,"Usage: fastmail {args} filename address(es)\n");
X fprintf(stderr, " where {args} can be;\n");
X fprintf(stderr,"\t-b bcc-list\n\t-c cc-list\n\t-d\n");
X fprintf(stderr,"\t-f from-name\n\t-F from-addr\n");
X fprintf(stderr, "\t-r reply-to\n\t-s subject\n\n");
X exit(1);
X }
X }
X
X if (optind > argc) {
X fprintf(stderr,"Usage: fastmail {args} filename address(es)\n");
X fprintf(stderr, " where {args} can be;\n");
X fprintf(stderr,"\t-b bcc-list\n\t-c cc-list\n\t-d\n\t-f from-name\n");
X fprintf(stderr,"\t-F from-addr\n");
X fprintf(stderr, "\t-r reply-to\n\t-s subject\n\n");
X exit(1);
X }
X
X strcpy(filename, argv[optind++]);
X
X if (optind > argc) {
X fprintf(stderr,"Usage: fastmail {args} filename address(es)\n");
X fprintf(stderr, " where {args} can be;\n");
X fprintf(stderr,"\t-b bcc-list\n\t-c cc-list\n\t-d\n\t-f from-name\n");
X fprintf(stderr,"\t-F from-addr\n");
X fprintf(stderr,"\t-r reply-to\n\t-s subject\n\n");
X exit(1);
X }
X
X#ifdef HOSTCOMPILED
X strncpy(hostname, HOSTNAME, sizeof(hostname));
X#else
X gethostname(hostname, sizeof(hostname));
X#endif
X
X strcpy(username, getlogin());
X
X if (strlen(username) == 0)
X cuserid(username);
X
X if (access(filename, READ_ACCESS) == -1)
X exit(fprintf(stderr, "Error: can't find file %s!\n", filename));
X
X sprintf(tempfilename, "%s%d", temphome, getpid());
X
X if ((tempfile = fopen(tempfilename, "w")) == NULL)
X exit(fprintf(stderr, "Couldn't open temp file %s\n", tempfilename));
X
X /** Subject must appear even if "null" and must be first
X at top of headers for mail because the
X pure System V.3 mailer, in its infinite wisdom, now
X assumes that anything the user sends is part of the
X message body unless either:
X 1. the "-s" flag is used (although it doesn't seem
X to be supported on all implementations??)
X 2. the first line is "Subject:". If so, then it'll
X read until a blank line and assume all are meant
X to be headers.
X So the gory solution here is to move the Subject: line
X up to the top. I assume it won't break anyone elses program
X or anything anyway (besides, RFC-822 specifies that the *order*
X of headers is irrelevant). Gahhhhh....
X **/
X fprintf(tempfile, "Subject: %s\n", subject);
X
X if (strlen(from_string) > 0)
X if (strlen(from_addr) > 0)
X fprintf(tempfile, "From: %s (%s)\n", from_addr, from_string);
X else
X fprintf(tempfile, "From: %s!%s (%s)\n", hostname, username,
X from_string);
X else
X if (strlen(from_addr) > 0)
X fprintf(tempfile, "From: %s\n", from_addr);
X else
X fprintf(tempfile, "From: %s!%s\n", hostname, username);
X
X fprintf(tempfile, "Date: %s\n", get_arpa_date());
X
X if (strlen(replyto) > 0)
X fprintf(tempfile, "Reply-To: %s\n", replyto);
X
X while (optind < argc)
X sprintf(to_list, "%s%s%s", to_list, (strlen(to_list) > 0? " ":""),
X argv[optind++]);
X
X fprintf(tempfile, "To: %s\n", to_list);
X
X if (strlen(cc_list) > 0)
X fprintf(tempfile, "Cc: %s\n", cc_list);
X
X fprintf(tempfile, "X-Mailer: fastmail [version %s PL%d]\n",
X VERSION, PATCHLEVEL);
X fprintf(tempfile, "\n");
X
X fclose(tempfile);
X
X /** now we'll cat both files to /bin/rmail or sendmail... **/
X
X sendmail_available = (access(sendmail, EXECUTE_ACCESS) != -1);
X
X printf("Mailing to %s%s%s%s%s [via %s]\n", to_list,
X (strlen(cc_list) > 0 ? " ":""), cc_list,
X (strlen(bcc_list) > 0 ? " ":""), bcc_list,
X sendmail_available? "sendmail" : "rmail");
X
X sprintf(command_buffer, "cat %s %s | %s %s %s %s",
X tempfilename, filename,
X sendmail_available? sendmail : mailer,
X to_list, cc_list, bcc_list);
X
X if (debug)
X printf("%s\n", command_buffer);
X
X system(command_buffer);
X
X unlink(tempfilename);
X}
X
X
Xchar *get_arpa_date()
X{
X /** returns an ARPA standard date. The format for the date
X according to DARPA document RFC-822 is exemplified by;
X
X Mon, 12 Aug 85 6:29:08 MST
X
X **/
X
X static char buffer[SLEN]; /* static character buffer */
X struct tm *the_time, /* Time structure, see CTIME(3C) */
X *localtime();
X long junk; /* time in seconds.... */
X#ifdef BSD
X# ifndef TMINSYS
X struct timeb loc_time; /* of course this is different! */
X# else
X struct timeval time_val;
X struct timezone time_zone;
X# endif
X#endif
X
X#ifdef BSD
X# ifndef TMINSYS
X junk = (long) time((long *) 0);
X ftime(&loc_time);
X# else
X gettimeofday(&time_val, &time_zone);
X junk = time_val.tv_sec;
X# endif
X#else
X junk = time(0); /* this must be here for it to work! */
X#endif
X the_time = localtime(&junk);
X
X sprintf(buffer, "%s, %d %s %d %d:%02d:%02d %s",
X arpa_dayname[the_time->tm_wday],
X the_time->tm_mday % 32,
X arpa_monname[the_time->tm_mon],
X the_time->tm_year % 100,
X the_time->tm_hour % 24,
X the_time->tm_min % 61,
X the_time->tm_sec % 61,
X#ifdef BSD
X# ifndef TMINSYS
X timezone(loc_time.time_zone, the_time->tz_isdst));
X# else
X timezone(time_zone.tz_minuteswest, time_zone.tz_dsttime));
X# endif
X#else
X tzname[the_time->tm_isdst]);
X#endif
X
X return( (char *) buffer);
X}
SHAR_EOF
chmod 0444 utils/fastmail.c || echo "restore of utils/fastmail.c fails"
echo "x - extracting utils/from.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/from.c &&
X
Xstatic char rcsid[] = "@(#)$Id: from.c,v 2.9 89/03/25 21:47:46 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.9 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: from.c,v $
X * Revision 2.9 89/03/25 21:47:46 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** print out whom each message is from in the pending folder or specified
X one, including a subject line if available..
X
X**/
X
X#include <stdio.h>
X#include <pwd.h>
X#include "defs.h"
X
Xstatic char ident[] = { WHAT_STRING };
X
X#define LINEFEED (char) 10
X
X#define metachar(c) (c == '=' || c == '+' || c == '%')
X
XFILE *mailfile;
X
Xchar *expand_define();
Xint number = 0, /* should we number the messages?? */
X verbose = 0; /* and should we prepend a header? */
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X char infile[SLEN], *cp ;
X int multiple_files = 0, output_files = 0, c;
X struct passwd *pass, *getpwuid();
X
X extern int optind;
X
X while ((c = getopt(argc, argv, "nv")) != EOF)
X switch (c) {
X case (int)'n': number++; break;
X case (int)'v': verbose++; break;
X case (int)'?': printf("Usage: %s [-n] [-v] {filename | username}\n",
X argv[0]);
X exit(1);
X }
X
X infile[0] = '\0';
X if (optind == argc) {
X /*
X * determine mail file from environment variable if found,
X * else use password entry
X */
X if ((cp = getenv("MAIL")) == NULL) {
X if((pass = getpwuid(getuid())) == NULL) {
X printf("You have no password entry!");
X exit(1);
X }
X sprintf(infile,"%s%s",mailhome, pass->pw_name);
X }
X else
X strcpy(infile, cp);
X optind -= 1; /* ensure one pass through loop */
X }
X
X multiple_files = (argc - optind > 1);
X
X while (optind < argc) {
X
X if (multiple_files) {
X strcpy(infile, argv[optind]);
X printf("%s%s: \n", output_files++ > 0 ? "\n":"", infile);
X }
X else if (infile[0] == '\0')
X strcpy(infile, argv[optind]);
X
X if (metachar(infile[0])) {
X if (expand(infile) == 0) {
X fprintf(stderr, "%s: couldn't expand filename %s!\n",
X argv[0], infile);
X exit(1);
X }
X }
X
X if ((mailfile = fopen(infile,"r")) == NULL) {
X if (optind+1 == argc)
X printf("No mail.\n");
X else {
X if (infile[0] == '/')
X printf("Couldn't open folder \"%s\".\n", infile);
X else {
X sprintf(infile,"%s%s", mailhome, argv[optind]);
X if ((mailfile = fopen(infile,"r")) == NULL)
X printf("Couldn't open folders \"%s\" or \"%s\".\n",
X argv[optind], infile);
X else if (read_headers()==0)
X printf("No messages in that folder!\n");
X }
X }
X }
X else
X if (read_headers(optind+1 == argc)==0)
X if (optind+1 == argc)
X printf("No mail\n");
X else
X printf("No messages in that folder!\n");
X
X optind++;
X }
X exit(0);
X}
X
Xint
Xread_headers(user_mailbox)
Xint user_mailbox;
X{
X /** Read the headers, output as found. User-Mailbox is to guarantee
X that we get a reasonably sensible message from the '-v' option
X **/
X
X char buffer[SLEN], from_whom[SLEN], subject[SLEN];
X register int subj = 0, in_header = 0, count = 0;
X
X while (fgets(buffer, SLEN, mailfile) != NULL) {
X if (first_word(buffer,"From ")) {
X if (real_from(buffer, from_whom)) {
X subj = 0;
X in_header = 1;
X }
X }
X else if (in_header) {
X if (first_word(buffer,">From "))
X forwarded(buffer, from_whom); /* return address */
X else if (first_word(buffer,"Subject:") ||
X first_word(buffer,"Re:")) {
X if (! subj++) {
X remove_first_word(buffer);
X strcpy(subject, buffer);
X }
X }
X else if (first_word(buffer,"From:") ||
X first_word(buffer, ">From:"))
X parse_arpa_from(buffer, from_whom);
X else if (buffer[0] == LINEFEED) {
X if (verbose && count == 0)
X printf("%s contains the following messages:\n\n",
X user_mailbox?"Your mailbox" : "Folder");
X in_header = 0; /* in body of message! */
X show_header(count+1, from_whom, subject);
X from_whom[0] = 0;
X subject[0] = 0;
X count++;
X }
X }
X }
X return(count);
X}
X
Xint
Xreal_from(buffer, who)
Xchar *buffer, *who;
X{
X /***** returns true iff 's' has the seven 'from' fields,
X initializing the who to the sender *****/
X
X char junk[SLEN];
X
X junk[0] = '\0';
X sscanf(buffer, "%*s %s %*s %*s %*s %*s %s",
X who, junk);
X return(junk[0] != '\0');
X}
X
Xforwarded(buffer, who)
Xchar *buffer, *who;
X{
X /** change 'from' and date fields to reflect the ORIGINATOR of
X the message by iteratively parsing the >From fields... **/
X
X char machine[SLEN], buff[SLEN], holding_from[SLEN];
X
X machine[0] = '\0';
X holding_from[0] = '\0';
X sscanf(buffer, "%*s %s %*s %*s %*s %*s %*s %*s %*s %*s %s",
X holding_from, machine);
X
X if(machine[0] == '\0') /* try for address with timezone in date */
X sscanf(buffer, "%*s %s %*s %*s %*s %*s %*s %*s %*s %s",
X holding_from, machine);
X
X if (machine[0] == '\0') /* try for srm address */
X sscanf(buffer, "%*s %s %*s %*s %*s %*s %*s %*s %s",
X holding_from, machine);
X
X if (machine[0] == '\0')
X sprintf(buff, holding_from[0] ? holding_from : "anonymous");
X else
X sprintf(buff,"%s!%s", machine, holding_from);
X
X strncpy(who, buff, SLEN);
X}
X
Xremove_first_word(string)
Xchar *string;
X{ /** removes first word of string, ie up to first non-white space
X following a white space! **/
X
X register int loc;
X
X for (loc = 0; string[loc] != ' ' && string[loc] != '\0'; loc++)
X ;
X
X while (string[loc] == ' ' || string[loc] == '\t')
X loc++;
X
X move_left(string, loc);
X}
X
Xmove_left(string, chars)
Xchar string[];
Xint chars;
X{
X /** moves string chars characters to the left DESTRUCTIVELY **/
X
X register int i;
X
X chars--; /* index starting at zero! */
X
X for (i=chars; string[i] != '\0' && string[i] != '\n'; i++)
X string[i-chars] = string[i];
X
X string[i-chars] = '\0';
X}
X
Xshow_header(count, from, subject)
Xint count;
Xchar *from, *subject;
X{
X /** output header in clean format, including abbreviation
X of return address if more than one machine name is
X contained within it! **/
X
X char buffer[SLEN];
X int loc, i=0, exc=0;
X
X#ifndef INTERNET
X char *p;
X
X if (chloc(from,'!') != -1 && chloc(from,'@') > 0) {
X for (p=from;*p != '@'; p++) ;
X *p = '\0';
X }
X#endif
X
X loc = strlen(from);
X
X while (exc < 2 && loc > 0)
X if (from[--loc] == '!')
X exc++;
X
X if (exc == 2) { /* lots of machine names! Get last one */
X loc++;
X while (loc < strlen(from) && loc < SLEN)
X buffer[i++] = from[loc++];
X buffer[i] = '\0';
X if (number)
X printf("%3d: %-20s %s\n", count, buffer, subject);
X else
X printf("%-20s %s\n", buffer, subject);
X }
X else
X if (number)
X printf("%3d: %-20s %s\n", count, from, subject);
X else
X printf("%-20s %s\n", from, subject);
X}
X
Xparse_arpa_from(buffer, newfrom)
Xchar *buffer, *newfrom;
X{
X /** try to parse the 'From:' line given... It can be in one of
X two formats:
X From: Dave Taylor <hpcnou!dat>
X or From: hpcnou!dat (Dave Taylor)
X Change 'newfrom' ONLY if sucessfully parsed this entry and
X the resulting name is non-null!
X **/
X
X char temp_buffer[SLEN], *temp;
X register int i, j = 0, in_parens;
X
X temp = (char *) temp_buffer;
X temp[0] = '\0';
X
X no_ret(buffer); /* blow away '\n' char! */
X
X if (lastch(buffer) == '>') {
X for (i=strlen("From: "); buffer[i] != '\0' && buffer[i] != '<' &&
X buffer[i] != '('; i++)
X temp[j++] = buffer[i];
X temp[j] = '\0';
X }
X else if (lastch(buffer) == ')') {
X in_parens = 1;
X for (i=strlen(buffer)-2; buffer[i] != '\0' && buffer[i] != '<'; i--) {
X switch(buffer[i]) {
X case ')': in_parens++;
X break;
X case '(': in_parens--;
X break;
X }
X if(!in_parens) break;
X temp[j++] = buffer[i];
X }
X temp[j] = '\0';
X reverse(temp);
X }
X
X/* this stuff copied from src/addr_util.c */
X#ifdef USE_EMBEDDED_ADDRESSES
X
X /** if we have a null string at this point, we must just have a
X From: line that contains an address only. At this point we
X can have one of a few possibilities...
X
X From: address
X From: <address>
X From: address ()
X **/
X
X if (strlen(temp) == 0) {
X if (lastch(buffer) != '>') {
X for (i=strlen("From:");buffer[i] != '\0' && buffer[i] != '('; i++)
X temp[j++] = buffer[i];
X temp[j] = '\0';
X }
X else { /* get outta '<>' pair, please! */
X for (i=strlen(buffer)-2;buffer[i] != '<' && buffer[i] != ':';i--)
X temp[j++] = buffer[i];
X temp[j] = '\0';
X reverse(temp);
X }
X }
X#endif
X
X if (strlen(temp) > 0) { /* mess with buffer... */
X
X /* remove leading spaces... */
X
X while (whitespace(temp[0]))
X temp = (char *) (temp + 1); /* increment address! */
X
X /* remove trailing spaces... */
X
X i = strlen(temp) - 1;
X
X while (whitespace(temp[i]))
X temp[i--] = '\0';
X
X /* remove surrounding paired quotation marks */
X if((temp[i] == '"') & (*temp == '"')) {
X temp[i] = '\0';
X temp++;
X }
X
X /* if anything is left, let's change 'from' value! */
X
X if (strlen(temp) > 0)
X strcpy(newfrom, temp);
X }
X}
X
Xreverse(string)
Xchar *string;
X{
X /** reverse string... pretty trivial routine, actually! **/
X
X char buffer[SLEN];
X register int i, j = 0;
X
X for (i = strlen(string)-1; i >= 0; i--)
X buffer[j++] = string[i];
X
X buffer[j] = '\0';
X
X strcpy(string, buffer);
X}
SHAR_EOF
chmod 0444 utils/from.c || echo "restore of utils/from.c fails"
echo "x - extracting utils/listalias.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/listalias.c &&
X
Xstatic char rcsid[] = "@(#)$Id: listalias.c,v 2.3 89/03/25 21:47:50 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.3 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: listalias.c,v $
X * Revision 2.3 89/03/25 21:47:50 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** Program that lists all the available aliases. This one uses the pipe
X command, feeding the stuff to egrep then sort, or just sort.
X
X**/
X
X#include <stdio.h>
X#include <fcntl.h>
X
X#include "defs.h"
X#include "sysdefs.h"
X
X#ifdef BSD
X FILE *popen();
X#endif
X
Xchar *getenv();
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X FILE *datafile, *fd_pipe;
X struct alias_rec hash_record;
X int hashfile, count = 0;
X char buffer[SLEN], fd_hash[SLEN],
X fd_data[SLEN], *home;
X
X if (argc > 2) {
X printf("Usage: listalias <optional-regular-expression>\n");
X exit(1);
X }
X
X home = getenv("HOME");
X
X sprintf(fd_hash, "%s/%s", home, ALIAS_HASH);
X sprintf(fd_data, "%s/%s", home, ALIAS_DATA);
X
X if (argc > 1)
X sprintf(buffer, "egrep \"%s\" | sort", argv[1]);
X else
X sprintf(buffer, "sort");
X
X if ((fd_pipe = popen(buffer, "w")) == NULL) {
X if (argc > 1)
X printf("cannot open pipe to egrep program for expressions!\n");
X fd_pipe = stdout;
X }
X
X do {
X
X if ((hashfile = open(fd_hash, O_RDONLY)) > 0) {
X if ((datafile = fopen(fd_data, "r")) == NULL) {
X printf("Opened %s hash file, but couldn't open data file!\n",
X count? "system" : "user");
X goto next_file;
X }
X
X /** Otherwise let us continue... **/
X
X while (read(hashfile, &hash_record, sizeof (hash_record)) != 0) {
X if (strlen(hash_record.name) > 0) {
X fseek(datafile, hash_record.byte, 0L);
X fgets(buffer, SLEN, datafile);
X fprintf(fd_pipe, "%-15s %s", hash_record.name, buffer);
X }
X }
X }
X
Xnext_file: strcpy(fd_hash, system_hash_file);
X strcpy(fd_data, system_data_file);
X
X } while (++count < 2);
X
X pclose(fd_pipe);
X
X exit(0);
X}
SHAR_EOF
chmod 0444 utils/listalias.c || echo "restore of utils/listalias.c fails"
echo "x - extracting utils/mailrc.awk (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/mailrc.awk &&
X#
X# @(#)$Id: mailrc.awk,v 2.3 89/03/25 21:47:51 syd Exp $
X# Copyright (c) 1986, 1987 Dave Taylor
X# Copyright (c) 1988, 1989 USENET Community Trust
X# Bug reports, patches, comments, suggestions should be sent to:
X#
X# Syd Weinstein, Elm Coordinator - elm at dsinc.UUCP
X# dsinc!elm
X#
X# $Log: mailrc.awk,v $
X# Revision 2.3 89/03/25 21:47:51 syd
X# Initial 2.2 Release checkin
X#
X#
X
X
XBEGIN {
X print "# MSG alias_text file, from a .mailrc file..."
X print ""
X }
X
Xnext_line == 1 {
X
X next_line = 0;
X group = ""
X for (i = 1; i <= NF; i++) {
X if (i == NF && $i == "\\") sep = ""
X else sep = ", "
X
X if ($i == "\\") {
X group = sprintf("%s,", group)
X next_line = 1;
X }
X else if (length(group) > 0)
X group = sprintf("%s%s%s", group, sep, $i);
X else
X group = $i;
X }
X print "\t" group
X
X }
X
X$1 ~ /[Aa]lias|[Gg]roup/ {
X
X if ( NF == 3)
X print $2 " : user alias : " $3;
X else {
X group = ""
X for (i = 3; i <= NF; i++) {
X if (i == NF && $i == "\\") sep = ""
X else sep = ", "
X
X if ($i == "\\") {
X group = sprintf("%s,", group)
X next_line = 1;
X }
X else if (length(group) > 0)
X group = sprintf("%s%s%s", group, sep, $i);
X else
X group = $i;
X }
X print $2 " : group alias : " group;
X }
X }
SHAR_EOF
chmod 0444 utils/mailrc.awk || echo "restore of utils/mailrc.awk fails"
echo "x - extracting utils/messages (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/messages &&
X: Use /bin/sh
X# messages: part of the Elm mail system
X# @(#)$Id: messages,v 2.1 89/03/03 17:46:59 syd Exp $
X
Xif [ "$2" != "" ]; then
X echo Usage: messages \{folder-name\} 1>&2
X exit 1
Xfi
X
Xif [ "$1" = "" ]; then
X fname=$MAIL
X optional="in your mailbox"
Xelse
X fname=$1
X optional="in folder $1"
Xfi
X
Xif [ -f "$fname" ]; then
X mcount=`egrep -c "^From " $fname`
Xelse
X exit 0
Xfi
X
Xif [ "$mcount" -eq 1 ]; then
X echo There is $mcount message $optional.
Xelse
X echo There are $mcount messages $optional.
Xfi
X
Xexit $mcount
SHAR_EOF
chmod 0444 utils/messages || echo "restore of utils/messages fails"
echo "x - extracting utils/newalias.c (Text)"
sed 's/^X//' << 'SHAR_EOF' > utils/newalias.c &&
X
Xstatic char rcsid[] = "@(#)$Id: newalias.c,v 2.7 89/03/25 21:47:53 syd Exp $";
X
X/*******************************************************************************
X * The Elm Mail System - $Revision: 2.7 $ $State: Exp $
X *
X * Copyright (c) 1986, 1987 Dave Taylor
X * Copyright (c) 1988, 1989 USENET Community Trust
X *******************************************************************************
X * Bug reports, patches, comments, suggestions should be sent to:
X *
X * Syd Weinstein, Elm Coordinator
X * elm at dsinc.UUCP dsinc!elm
X *
X *******************************************************************************
X * $Log: newalias.c,v $
X * Revision 2.7 89/03/25 21:47:53 syd
X * Initial 2.2 Release checkin
X *
X *
X ******************************************************************************/
X
X/** Install a new set of aliases for the 'Elm' mailer.
X
X If invoked with a specific filename, it assumes that
X it is working with an individual users alias tables, and
X generates the .alias.hash and .alias.data files in their
X home directory.
X If, however, it is invoked with no arguments, then
X it assumes that the user is updating the system alias
X file and uses the defaults for everything.
X
X The format for the input file is;
X alias1, alias2, ... = username = address
Xor alias1, alias2, ... = groupname= member, member, member, ...
X member, member, member, ...
X
X**/
X
X#include <stdio.h>
X#include "defs.h"
X#include "sysdefs.h" /* ELM system definitions */
X
X#ifdef BSD
X# include <sys/file.h>
X#else
X# include <fcntl.h>
X#endif
X
Xstatic char ident[] = { WHAT_STRING };
X
X#define group(string) (strpbrk(string,", ") != NULL)
X
Xstruct alias_rec
Xshash_table[MAX_SALIASES]; /* the actual hash table */
X
Xstruct alias_rec
Xuhash_table[MAX_UALIASES]; /* the actual hash table */
X
Xint hash_table_loaded=0; /* is system table actually loaded? */
X
Xint buff_loaded; /* for file input overlap... */
Xint error= 0; /* if errors, don't save! */
Xint is_system=0; /* system file updating? */
Xint count=0; /* how many aliases so far? */
Xlong offset = 0L; /* data file line offset! */
Xchar home[SLEN]; /* the users home directory */
X
Xmain(argc, argv)
Xint argc;
Xchar *argv[];
X{
X FILE *in, *data;
X char inputname[SLEN], hashname[SLEN], dataname[SLEN];
X char buffer[LONG_STRING];
X int a, hash, count = 0, owner;
X
X for (a = 1; a < argc; ++a) {
X if (strcmp(argv[a], "-g") == 0)
X is_system = 1;
X else {
X printf("Usage: %s [-g]\n", argv[0]);
X exit(1);
X }
X }
X
X if (is_system) { /* update system aliases */
X printf("Updating the system alias file...\n");
X
X strcpy(inputname, system_text_file);
X strcpy(hashname, system_hash_file);
X strcpy(dataname, system_data_file);
X init_table(shash_table, MAX_SALIASES);
X }
X else
X printf("Updating your personal alias file...\n");
X
X if (! is_system) {
X if (strcpy(home, getenv("HOME")) == NULL) {
X printf("I'm confused - no HOME variable in environment!\n");
X exit(1);
X }
X
X sprintf(inputname, "%s/%s", home, ALIAS_TEXT);
X sprintf(hashname, "%s/%s", home, ALIAS_HASH);
X sprintf(dataname, "%s/%s", home, ALIAS_DATA);
X
X init_table(uhash_table, MAX_UALIASES);
X
X read_in_system(shash_table, sizeof shash_table);
X }
X
X if ((in = fopen(inputname,"r")) == NULL) {
X /** let's see if they have the files in the old place... **/
X sprintf(buffer, "%s/.alias_text", home);
X if (access(buffer, ACCESS_EXISTS) != -1) {
X update_alias_file_locations();
X in = fopen(inputname, "r");
X }
X else {
X printf("Couldn't open %s for input!\n", inputname);
X exit(1);
X }
X }
X
X if ((hash = open(hashname, O_WRONLY | O_CREAT, 0644)) == -1) {
X printf("Couldn't open %s for output!\n", hashname);
X exit(1);
X }
X
X if ((data = fopen(dataname,"w")) == NULL) {
X printf("Couldn't open %s for output!\n", dataname);
X exit(1);
X }
X
X buff_loaded = 0; /* file buffer empty right now! */
X
X while (get_alias(in, buffer) != -1) {
X if (is_system)
X put_alias(data, buffer, shash_table, MAX_SALIASES);
X else
X put_alias(data, buffer, uhash_table, MAX_UALIASES);
X count++;
X }
X
X if (error) {
X printf("\n** Not saving tables! Please fix and re-run %s!\n",
X argv[0]);
X exit(1);
X }
X else {
X if (is_system)
X write(hash, shash_table, sizeof shash_table);
X else
X write(hash, uhash_table, sizeof uhash_table);
X
X close(hash);
X fclose(data);
X close(in);
X
X printf("Processed %d aliases\n", count);
X exit(0);
X }
X}
X
Xint
Xget_alias(file, buffer)
XFILE *file;
Xchar *buffer;
X{
X /* load buffer with the next complete alias from the file.
X (this can include reading in multiple lines and appending
X them all together!) Returns EOF after last entry in file.
X
X Lines that start with '#' are assumed to be comments and are
X ignored. White space as the first field of a line is taken
X to indicate that this line is a continuation of the previous. */
X
X static char mybuffer[SLEN];
X int done = 0, first_read = 1;
X
X /** get the first line of the entry... **/
X
X buffer[0] = '\0'; /* zero out line */
X
X do {
X if (get_line(file, mybuffer, first_read) == -1)
X return(-1);
X first_read = 0;
X if (mybuffer[0] != '#')
X strcpy(buffer, mybuffer);
X } while (strlen(buffer) == 0);
X
X /** now read in the rest (if there is any!) **/
X
X do {
X if (get_line(file, mybuffer, first_read) == -1) {
X buff_loaded = 0; /* force a read next pass! */
X return(0); /* okay. let's just hand 'buffer' back! */
X }
X done = (! whitespace(mybuffer[0]));
X if (! done)
X strcat(buffer, mybuffer);
X done = (done && mybuffer[0] != '#');
X } while (! done);
X
X return(0); /* no sweat! */
X}
X
Xput_alias(data, buffer, table, size)
XFILE *data;
Xchar *buffer;
Xstruct alias_rec table[];
Xint size;
X{
X /** break buffer down into three pieces: aliases, comment, and address.
X Make the appropriate entries in the table (size)
X **/
X
X char aliases[LONG_STRING], address[LONG_STRING];
X char comment[LONG_STRING];
X int first, last, i = 0, j = 0;
X
X remove_all(' ', TAB, buffer);
X
X for (i=0; buffer[i] != '=' && i < LONG_STRING; i++)
X aliases[i] = buffer[i];
X aliases[i] = '\0';
X
X for (i=strlen(buffer)-1; buffer[i] != '=' && i > 0; i--)
X address[j++] = buffer[i];
X address[j] = '\0';
X
X comment[0] = '\0'; /* default to nothing at all... */
X
X if ((first=strlen(aliases)+1) < (last=(strlen(buffer) - j))) {
X extract_comment(comment, buffer, first, last);
X }
X
X reverse(address);
X
X add_to_table(data, aliases, comment, address, table, size);
X}
X
Xint
Xget_line(file, buffer, first_line)
XFILE *file;
Xchar *buffer;
Xint first_line;
X{
X /** read line from file. If first_line and buff_loaded,
X then just return! **/
X
X int stat;
X
X if (first_line && buff_loaded) {
X buff_loaded = 1;
X return(0);
X }
X
X buff_loaded = 1; /* we're going to get SOMETHING in the buffer */
X
X stat = fgets(buffer, SLEN, file) == NULL ? -1 : 0;
X
X if (stat != -1)
X no_ret(buffer);
X
X return(stat);
X}
X
Xreverse(string)
Xchar *string;
X{
X /** reverse the order of the characters in string...
X uses a bubble-sort type of algorithm! **/
X
X register int f, l;
X char c;
X
X f = 0;
X l = strlen(string) - 1;
X
X while (f < l) {
X c = string[f];
X string[f] = string[l];
X string[l] = c;
X f++;
X l--;
X }
X}
X
Xadd_to_table(data, aliases, comment, address, table, size)
XFILE *data;
Xchar *aliases, *comment, *address;
Xstruct alias_rec table[];
Xint size;
X{
X /** add address + comment to datafile, incrementing offset count
X (bytes), then for each alias in the aliases string, add to the
X hash table, with the associated pointer value! **/
X
X static char buf[SLEN], *word;
X long additive = 1L;
X
X word = buf; /* use the allocated space! */
X
X if (group(address)) {
X check_group(address, aliases);
X if (error) return; /* don't do work if we aren't to save it! */
X fprintf(data, "!%s\n", address);
X additive = 2L;
X }
X else {
X if (error) return; /* don't do work if we aren't to save it! */
X if (strlen(comment) > 0) {
X fprintf(data, "%s (%s)\n", address, comment);
X additive = (long) (strlen(comment) + 4);
X }
X else
X fprintf(data, "%s\n", address, comment);
X }
X
X while ((word = (char *) strtok(aliases,", ")) != NULL) {
X add_to_hash_table(word, offset, table, size);
X aliases = NULL; /* let's get ALL entries via 'strtok' */
X count++;
X }
X
X if ( is_system ? count > MAX_SALIASES-35 : count > MAX_UALIASES-21) {
X printf("** Too many aliases in file! **\n");
X error++;
X }
X
X offset = (offset + (long) strlen(address) + additive);
X}
X
Xremove_all(c1, c2, string)
Xchar c1, c2, *string;
X{
X /* Remove all occurances of character 'c1' or 'c2' from the string.
X Hacked (literally) to NOT remove ANY characters from within the
X equals fields. This will only be used if the line contains TWO
X equalss (and comments with equalss in them are the kiss of death!)
X */
X
X char buffer[LONG_STRING];
X register int i = 0, j = 0, first_equals = -1, last_equals = -1;
X
X for (i = 0; string[i] != '\0' && i < LONG_STRING; i++) {
X if (string[i] != c1 && string[i] != c2)
X buffer[j++] = string[i];
X
X if (first_equals == -1 && string[i] == '=') {
X first_equals = i;
X for (last_equals=strlen(string);string[last_equals] != '=';
X last_equals--) ;
X }
X else if (i > first_equals && i < last_equals)
X if (string[i] == c1 || string[i] == c2)
X buffer[j++] = string[i];
X }
X
X buffer[j] = '\0';
X strcpy(string, buffer);
X}
X
Xadd_to_hash_table(word, offset, table, size)
Xchar *word;
Xlong offset;
Xstruct alias_rec table[];
Xint size;
X{
X /** add word and offset to current hash table. **/
X register int loc;
X
X if (strlen(word) > 20) {
X printf("Bad alias name: %s. Too long.\n", word);
SHAR_EOF
echo "End of part 23"
echo "File utils/newalias.c is continued in part 24"
echo "24" > s2_seq_.tmp
exit 0
--
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