1240 lines
26 KiB
C
1240 lines
26 KiB
C
static char sccsid[] = "@(#)48 1.15 src/bos/usr/bin/mail/cmd3.c, cmdmailx, bos41J, 9524C_all 6/9/95 16:35:44";
|
|
/*
|
|
* COMPONENT_NAME: CMDMAILX cmd3.c
|
|
*
|
|
* FUNCTIONS: MSGSTR, Respond, _Respond, _respond, alternates,
|
|
* bangexp, diction, dosh, echo, elsecmd, endifcmd, file,
|
|
* followup, Followup, getfilename, group, help, ifcmd,
|
|
* mail_pipe, messize, null, preserve, reedit, respond,
|
|
* rexit, schdir, set, setno, shell, sort, unalias,
|
|
* unread, unset
|
|
*
|
|
* ORIGINS: 10 26 27 71
|
|
*
|
|
* (C) COPYRIGHT International Business Machines Corp. 1985, 1993
|
|
* All Rights Reserved
|
|
* Licensed Materials - Property of IBM
|
|
*
|
|
* US Government Users Restricted Rights - Use, duplication or
|
|
* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
|
|
*
|
|
* (c) Copyright 1990, 1991, 1992, 1993 OPEN SOFTWARE FOUNDATION, INC.
|
|
* ALL RIGHTS RESERVED
|
|
*
|
|
* Copyright (c) 1980 Regents of the University of California.
|
|
* All rights reserved. The Berkeley software License Agreement
|
|
* specifies the terms and conditions for redistribution.
|
|
*
|
|
* #ifndef lint
|
|
* static char *sccsid = "cmd3.c 5.3 (Berkeley) 9/15/85";
|
|
* #endif not lint
|
|
*/
|
|
|
|
#include "rcv.h"
|
|
#include <sys/stat.h>
|
|
|
|
#include "mail_msg.h"
|
|
extern nl_catd catd;
|
|
#define MSGSTR(n,s) catgets(catd,MS_MAILX,n,s)
|
|
|
|
char *helpmsg[] = {
|
|
"Control Commands:",
|
|
" q Quit - apply mailbox commands entered this session.",
|
|
" x Quit - restore mailbox to original state.",
|
|
" ! <cmd> Start a shell, run <cmd>, and return to mailbox.",
|
|
" cd [<dir>] Change directory to <dir> or $HOME.",
|
|
"Display Commands:",
|
|
" t [<msg_list>] Display messages in <msg_list> or current message.",
|
|
" n Display next message.",
|
|
" f [<msg_list>] Display headings of messages.",
|
|
" h [<num>] Display headings of group containing message <num>.",
|
|
"Message Handling:",
|
|
" e [<num>] Edit message <num> (default editor is ex).",
|
|
" d [<msg_list>] Delete messages in <msg_list> or current message.",
|
|
" u [<msg_list>] Recall deleted messages.",
|
|
" s [<msg_list>] <file> Append messages (with headings) to <file>.",
|
|
" w [<msg_list>] <file> Append messages (text only) to <file>.",
|
|
" pre [<msg_list>] Keep messages in system mailbox.",
|
|
"Creating New Mail:",
|
|
" m <addrlist> Create/send new message to addresses in <addrlist>.",
|
|
" r [<msg_list>] Send reply to senders and recipients of messages.",
|
|
" R [<msg_list>] Send reply only to senders of messages.",
|
|
" a Display list of aliases and their addresses.",
|
|
"=============================== Mailbox Commands ==============================",
|
|
NULL
|
|
};
|
|
|
|
/*
|
|
* Mail -- a mail program
|
|
*
|
|
* Still more user commands.
|
|
*/
|
|
|
|
/*
|
|
* Process a shell escape by saving signals, ignoring signals,
|
|
* and forking a sh -c
|
|
*/
|
|
|
|
shell(str)
|
|
char *str;
|
|
{
|
|
void (*sig[2])(int);
|
|
int stat[1];
|
|
register int t;
|
|
char *Shell;
|
|
char cmd[BUFSIZ];
|
|
|
|
strcpy(cmd, str);
|
|
if (value("bang") != NOSTR) {
|
|
if (bangexp(cmd) < 0)
|
|
return(-1);
|
|
}
|
|
if ((Shell = value("SHELL")) == NOSTR)
|
|
Shell = SHELL;
|
|
for (t = 2; t < 4; t++)
|
|
sig[t-2] = signal(t, SIG_IGN);
|
|
t = vfork();
|
|
if (t == 0) {
|
|
sigchild();
|
|
for (t = 2; t < 4; t++)
|
|
if (sig[t-2] != SIG_IGN)
|
|
signal(t, SIG_DFL);
|
|
execl(Shell, Shell, "-c", cmd, (char *)0);
|
|
perror(Shell);
|
|
_exit(1);
|
|
}
|
|
while (wait(stat) != t)
|
|
;
|
|
if (t == -1)
|
|
perror("fork");
|
|
for (t = 2; t < 4; t++)
|
|
signal(t, sig[t-2]);
|
|
printf("!\n");
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Pipe the message(s) through the given shell command. The message(s)
|
|
* is treated as if it were read. If no arguments are given, the
|
|
* current message is piped through the command specified by the value
|
|
* of the cmd variable. If the page variable is set, a form-feed
|
|
* character is inserted after each message.
|
|
*/
|
|
mail_pipe(str)
|
|
char *str;
|
|
{
|
|
int f;
|
|
char *shell_cmd, *save_info;
|
|
register int t;
|
|
char *filename;
|
|
char *whole_cmd; /* Whole shell command to be executed */
|
|
/* including any arguments */
|
|
char *Shell;
|
|
int stat[1];
|
|
void(*sig[2])(int);
|
|
int no_message = FALSE;
|
|
|
|
/*
|
|
* Extract the shell command from the given string. Note that the
|
|
* shell command may contain options. If a shell command was not
|
|
* supplied then use the value that the environment variable "cmd"
|
|
* was set to. If "cmd" wasn't set, than return an error.
|
|
*/
|
|
|
|
shell_cmd = str;
|
|
while ((*shell_cmd != '\0') && !(isalpha(*shell_cmd)))
|
|
shell_cmd++;
|
|
|
|
if (*shell_cmd == '\0') {
|
|
if ((shell_cmd = value("cmd")) == NOSTR) {
|
|
printf(MSGSTR(NOCMD, "No shell command specified.\n"));
|
|
return(1);
|
|
}
|
|
}
|
|
else {
|
|
*(shell_cmd - 1) = 0;
|
|
/* If str and shell_cmd are the same,
|
|
* then that means no message number was
|
|
* specified with command.
|
|
*/
|
|
if (strcmp(shell_cmd, str) == 0)
|
|
no_message = TRUE;
|
|
}
|
|
|
|
/*
|
|
* Save the given msglist msgs in a temporary file. Execute the
|
|
* shell command on that temporary file.
|
|
*/
|
|
|
|
filename = tmpnam(NULL);
|
|
if ((save_info = (char *)malloc(strlen(filename) + strlen(str) + 2)) == NULL)
|
|
panic(MSGSTR(MEMERR, "Internal error, malloc() failed"));
|
|
if (*str == NOSTR || no_message)
|
|
sprintf(save_info, "%s", filename);
|
|
else
|
|
sprintf(save_info, "%s %s", str, filename);
|
|
|
|
{
|
|
register int *ip, mesg;
|
|
register struct message *mp;
|
|
char *file;
|
|
int f, *msgvec, lc, t;
|
|
long cc;
|
|
FILE *obuf;
|
|
|
|
msgvec = (int *)salloc((msgCount + 2) * sizeof *msgvec);
|
|
if ((file = snarf(save_info, &f)) == NOSTR)
|
|
return(1);
|
|
if (!f) {
|
|
*msgvec = first(0, MMNORM);
|
|
if (*msgvec == NULL) {
|
|
printf(MSGSTR(NOCOPY, "No messages to copy.\n")); /*MSG*/
|
|
return(1);
|
|
}
|
|
msgvec[1] = NULL;
|
|
}
|
|
if (f && getmsglist(save_info, msgvec, 0) < 0)
|
|
return(1);
|
|
|
|
if ((file = expand(file)) == NOSTR)
|
|
return(1);
|
|
if ((obuf = Fopen(file, "a")) == NULL) {
|
|
perror(NOSTR);
|
|
return(1);
|
|
}
|
|
cc = 0L;
|
|
lc = 0;
|
|
for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
|
|
mesg = *ip;
|
|
touch(mesg);
|
|
mp = &message[mesg-1];
|
|
if ((t = send(mp, obuf, 0, NOSTR)) < 0) {
|
|
perror(file);
|
|
Fclose(obuf);
|
|
return(1);
|
|
}
|
|
lc += t;
|
|
cc += mp->m_size;
|
|
if (value("page") != NOSTR)
|
|
fprintf(obuf, "\f\n");
|
|
}
|
|
fflush(obuf);
|
|
if (ferror(obuf))
|
|
fflush(obuf);
|
|
if (ferror(obuf))
|
|
perror(file);
|
|
Fclose(obuf);
|
|
}
|
|
|
|
free(save_info);
|
|
if ((whole_cmd = (char *)malloc(strlen(shell_cmd) + strlen(filename) + 2)) == NULL)
|
|
panic(MSGSTR(MEMERR, "Internal error, malloc() failed"));
|
|
sprintf(whole_cmd, "%s %s", shell_cmd, filename);
|
|
|
|
/*
|
|
* If SHELL environment variable is set then use that shell,
|
|
* otherwise use the default shell.
|
|
*/
|
|
|
|
if ((Shell = value("SHELL")) == NOSTR)
|
|
Shell = SHELL;
|
|
for (t = 2; t < 4; t++)
|
|
sig[t-2] = signal(t, SIG_IGN);
|
|
t = vfork();
|
|
if (t == 0) {
|
|
sigchild();
|
|
for (t = 2; t < 4; t++)
|
|
if (sig[t-2] != SIG_IGN)
|
|
signal(t, SIG_DFL);
|
|
execl(Shell, Shell, "-c", whole_cmd, (char *)0);
|
|
perror(Shell);
|
|
_exit(1);
|
|
}
|
|
while (wait(stat) != t)
|
|
;
|
|
if (t == -1)
|
|
perror("fork");
|
|
for (t = 2; t < 4; t++)
|
|
signal(t, sig[t-2]);
|
|
|
|
/* Remove temporary file where msgs in msglist resided. */
|
|
free(whole_cmd);
|
|
unlink(filename);
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Fork an interactive shell.
|
|
*/
|
|
|
|
dosh(str)
|
|
char *str;
|
|
{
|
|
void (*sig[2])(int);
|
|
int stat[1];
|
|
register int t;
|
|
char *Shell;
|
|
if ((Shell = value("SHELL")) == NOSTR)
|
|
Shell = SHELL;
|
|
for (t = 2; t < 4; t++)
|
|
sig[t-2] = signal(t, SIG_IGN);
|
|
t = vfork();
|
|
if (t == 0) {
|
|
sigchild();
|
|
for (t = 2; t < 4; t++)
|
|
if (sig[t-2] != SIG_IGN)
|
|
signal(t, SIG_DFL);
|
|
execl(Shell, Shell, (char *)0);
|
|
perror(Shell);
|
|
_exit(1);
|
|
}
|
|
while (wait(stat) != t)
|
|
;
|
|
if (t == -1)
|
|
perror("fork");
|
|
for (t = 2; t < 4; t++)
|
|
signal(t, sig[t-2]);
|
|
putchar('\n');
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Expand the shell escape by expanding unescaped !'s into the
|
|
* last issued command where possible.
|
|
*/
|
|
|
|
char lastbang[128];
|
|
|
|
bangexp(str)
|
|
char *str;
|
|
{
|
|
char bangbuf[BUFSIZ];
|
|
register char *cp, *cp2;
|
|
register int n;
|
|
int changed = 0;
|
|
|
|
cp = str;
|
|
cp2 = bangbuf;
|
|
n = BUFSIZ;
|
|
while (*cp) {
|
|
if (*cp == '!') {
|
|
if (n < strlen(lastbang)) {
|
|
overf:
|
|
printf(MSGSTR(OVER, "Command buffer overflow\n")); /*MSG*/
|
|
return(-1);
|
|
}
|
|
changed++;
|
|
strcpy(cp2, lastbang);
|
|
cp2 += strlen(lastbang);
|
|
n -= strlen(lastbang);
|
|
cp++;
|
|
continue;
|
|
}
|
|
if (*cp == '\\' && cp[1] == '!') {
|
|
if (--n <= 1)
|
|
goto overf;
|
|
*cp2++ = '!';
|
|
cp += 2;
|
|
changed++;
|
|
}
|
|
if (--n <= 1)
|
|
goto overf;
|
|
*cp2++ = *cp++;
|
|
}
|
|
*cp2 = 0;
|
|
if (changed) {
|
|
printf("!%s\n", bangbuf);
|
|
fflush(stdout);
|
|
}
|
|
strcpy(str, bangbuf);
|
|
strncpy(lastbang, bangbuf, 128);
|
|
lastbang[127] = 0;
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Print out a nice help message from some file or another.
|
|
*/
|
|
|
|
help()
|
|
{
|
|
register int i;
|
|
|
|
for (i = 0; helpmsg[i]; i++)
|
|
puts(MSGSTR(HELPMSG+i, helpmsg[i]));
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Change user's working directory.
|
|
*/
|
|
|
|
schdir(str)
|
|
char *str;
|
|
{
|
|
register char *cp;
|
|
|
|
for (cp = str; *cp == ' '; cp++)
|
|
;
|
|
if (*cp == '\0')
|
|
cp = homedir;
|
|
else
|
|
if ((cp = expand(cp)) == NOSTR)
|
|
return(1);
|
|
if (chdir(cp) < 0) {
|
|
perror(cp);
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
respond(msgvec)
|
|
int *msgvec;
|
|
{
|
|
if ((value("flipr") == NOSTR) && (value("Replyall") == NOSTR))
|
|
return (_respond(msgvec));
|
|
else
|
|
return (_Respond(msgvec));
|
|
}
|
|
|
|
/*
|
|
* Reply to a list of messages. Extract each name from the
|
|
* message header and send them off to mail1()
|
|
*/
|
|
|
|
_respond(msgvec)
|
|
int *msgvec;
|
|
{
|
|
struct message *mp;
|
|
char *cp, *cp2, *cp3, *rcv, *replyto;
|
|
char buf[2 * LINESIZE], **ap;
|
|
struct name *np;
|
|
struct header head;
|
|
|
|
if (msgvec[1] != 0) {
|
|
printf(MSGSTR(SORRY, "Sorry, can't reply to multiple messages at once\n")); /*MSG*/
|
|
return(1);
|
|
}
|
|
mp = &message[msgvec[0] - 1];
|
|
dot = mp;
|
|
rcv = NOSTR;
|
|
if ((rcv = skin(hfield("from", mp))) == NOSTR)
|
|
rcv = skin(nameof(mp, 1));
|
|
if ((replyto = skin(hfield("reply-to", mp))) != NOSTR)
|
|
np = extract(replyto, GTO);
|
|
else if ((cp = skin(hfield("to", mp))) != NOSTR)
|
|
np = extract(cp, GTO);
|
|
else
|
|
np = NIL;
|
|
|
|
np = elide(np);
|
|
mapf(np, rcv);
|
|
/*
|
|
* Delete my name from the reply list,
|
|
* and with it, all my alternate names.
|
|
*/
|
|
np = delname(np, myname, icequal);
|
|
if (altnames)
|
|
for (ap = altnames; *ap; ap++)
|
|
np = delname(np, *ap, icequal);
|
|
head.h_seq = 1;
|
|
cp = detract(np, 0);
|
|
if (cp != NOSTR && replyto == NOSTR) {
|
|
strcpy(buf, cp);
|
|
strcat(buf, " ");
|
|
strcat(buf, rcv);
|
|
}
|
|
else {
|
|
if (cp == NOSTR && replyto != NOSTR)
|
|
printf(MSGSTR(NOREPLYTO, "Empty reply-to field -- replying to author\n")); /*MSG*/
|
|
if (cp == NOSTR)
|
|
strcpy(buf, rcv);
|
|
else
|
|
strcpy(buf, cp);
|
|
}
|
|
head.h_to = buf;
|
|
head.h_subject = hfield("subject", mp);
|
|
if (head.h_subject == NOSTR)
|
|
head.h_subject = hfield("subj", mp);
|
|
head.h_subject = reedit(head.h_subject);
|
|
head.h_cc = NOSTR;
|
|
if (replyto == NOSTR) {
|
|
cp = hfield("cc", mp);
|
|
if (cp != NOSTR) {
|
|
np = elide(extract(cp, GCC));
|
|
mapf(np, rcv);
|
|
np = delname(np, myname, icequal);
|
|
if (altnames != 0)
|
|
for (ap = altnames; *ap; ap++)
|
|
np = delname(np, *ap, icequal);
|
|
head.h_cc = detract(np, 0);
|
|
}
|
|
}
|
|
head.h_bcc = NOSTR;
|
|
mail1(&head, 0, 0);
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Modify the subject we are replying to to begin with Re: if
|
|
* it does not already.
|
|
*/
|
|
|
|
char *
|
|
reedit(subj)
|
|
char *subj;
|
|
{
|
|
char sbuf[10];
|
|
register char *newsubj;
|
|
|
|
if (subj == NOSTR)
|
|
return(NOSTR);
|
|
strncpy(sbuf, subj, 3);
|
|
sbuf[3] = 0;
|
|
if (icequal(sbuf, "re:"))
|
|
return(subj);
|
|
newsubj = salloc(strlen(subj) + 6);
|
|
sprintf(newsubj, MSGSTR(RE, "Re: %s"), subj); /*MSG*/
|
|
return(newsubj);
|
|
}
|
|
|
|
/*
|
|
* Preserve the named messages, so that they will be sent
|
|
* back to the system mailbox.
|
|
*/
|
|
|
|
preserve(msgvec)
|
|
int *msgvec;
|
|
{
|
|
register struct message *mp;
|
|
register int *ip, mesg;
|
|
|
|
if (edit) {
|
|
printf(MSGSTR(NOPRSRV, "Cannot \"preserve\" in edit mode\n")); /*MSG*/
|
|
return(1);
|
|
}
|
|
for (ip = msgvec; *ip != (int)NULL; ip++) {
|
|
mesg = *ip;
|
|
mp = &message[mesg-1];
|
|
mp->m_flag |= MPRESERVE;
|
|
mp->m_flag &= ~MBOX;
|
|
dot = mp;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Mark all given messages as unread.
|
|
*/
|
|
unread(msgvec)
|
|
int msgvec[];
|
|
{
|
|
register int *ip;
|
|
|
|
for (ip = msgvec; *ip !=(int)NULL; ip++) {
|
|
dot = &message[*ip-1];
|
|
dot->m_flag &= ~(MREAD|MTOUCH);
|
|
dot->m_flag |= MSTATUS;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Print the size of each message.
|
|
*/
|
|
|
|
messize(msgvec)
|
|
int *msgvec;
|
|
{
|
|
register struct message *mp;
|
|
register int *ip, mesg;
|
|
|
|
for (ip = msgvec; *ip != (int)NULL; ip++) {
|
|
mesg = *ip;
|
|
mp = &message[mesg-1];
|
|
printf("%d: %d/%ld\n", mesg, mp->m_lines, mp->m_size);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Quit quickly. If we are sourcing, just pop the input level
|
|
* by returning an error.
|
|
*/
|
|
|
|
rexit(e)
|
|
{
|
|
if (sourcing)
|
|
return(1);
|
|
if (Tflag != NOSTR)
|
|
close(creat(Tflag, 0600));
|
|
exit(e);
|
|
}
|
|
|
|
extern int set(char **), unset(char **);
|
|
|
|
/*
|
|
* XPG4 specifies that "unset name" and "set noname"
|
|
* must be synonymous. In order to achieve that with this
|
|
* implementation, we use setno() to cause:
|
|
* set(name) to also call unset(noname)
|
|
* set(noname) to also call unset(name)
|
|
* unset(name) to also call set(noname)
|
|
* unset(noname) to also call set(name)
|
|
*/
|
|
void
|
|
setno(int (*setfunc)(char **), char *var)
|
|
{
|
|
static int recursive; /* guard against infinite recursion */
|
|
|
|
if (!recursive++) {
|
|
char *noav[2], nobuf[100];
|
|
if (!strncmp(var, "no", 2)) {
|
|
strncpy(nobuf, var+2, sizeof(nobuf));
|
|
} else {
|
|
sprintf(nobuf, "no%.97s", var);
|
|
}
|
|
noav[0] = nobuf;
|
|
noav[1] = NULL;
|
|
(*setfunc)(noav);
|
|
}
|
|
recursive--;
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Set or display a variable value. Syntax is similar to that
|
|
* of csh.
|
|
*/
|
|
|
|
set(arglist)
|
|
char **arglist;
|
|
{
|
|
register struct var *vp;
|
|
register char *cp, *cp2;
|
|
char varbuf[BUFSIZ], **ap, **p;
|
|
int errs, h, s;
|
|
|
|
if (argcount(arglist) == 0) {
|
|
for (h = 0, s = 1; h < HSHSIZE; h++)
|
|
for (vp = variables[h]; vp != NOVAR; vp = vp->v_link)
|
|
s++;
|
|
ap = (char **) salloc(s * sizeof *ap);
|
|
for (h = 0, p = ap; h < HSHSIZE; h++)
|
|
for (vp = variables[h]; vp != NOVAR; vp = vp->v_link)
|
|
*p++ = vp->v_name;
|
|
*p = NOSTR;
|
|
sort(ap);
|
|
for (p = ap; *p != NOSTR; p++)
|
|
printf("%s\t%s\n", *p, value(*p));
|
|
return(0);
|
|
}
|
|
errs = 0;
|
|
for (ap = arglist; *ap != NOSTR; ap++) {
|
|
cp = *ap;
|
|
cp2 = varbuf;
|
|
while (*cp != '=' && *cp != '\0')
|
|
*cp2++ = *cp++;
|
|
*cp2 = '\0';
|
|
if (*cp == '\0')
|
|
cp = "";
|
|
else
|
|
cp++;
|
|
if (equal(varbuf, "")) {
|
|
printf(MSGSTR(NEWNM, "Non-null variable name required\n")); /*MSG*/
|
|
errs++;
|
|
continue;
|
|
}
|
|
|
|
/* XPG4 compliance hack - ask and asksub are synonyms */
|
|
if (!strcmp(varbuf, "ask") || !strcmp(varbuf, "noask")) {
|
|
strcat(varbuf, "sub");
|
|
assign(varbuf, cp);
|
|
setno(unset, varbuf);
|
|
continue;
|
|
}
|
|
|
|
assign(varbuf, cp);
|
|
|
|
setno(unset, *ap); /* unset the no<name> version */
|
|
|
|
/* handle special case of setting debug var */
|
|
if (! strcmp(varbuf, "debug"))
|
|
debug = 1;
|
|
}
|
|
return(errs);
|
|
}
|
|
|
|
/*
|
|
* Unset a bunch of variable values.
|
|
*/
|
|
|
|
unset(arglist)
|
|
char **arglist;
|
|
{
|
|
register struct var *vp, *vp2;
|
|
register char *cp;
|
|
int errs, h;
|
|
char **ap;
|
|
|
|
errs = 0;
|
|
for (ap = arglist; *ap != NOSTR; ap++) {
|
|
if ((vp2 = lookup(*ap)) == NOVAR) {
|
|
setno(set, *ap); /* set the no<name> equivalent */
|
|
continue;
|
|
} else if (vp2->v_value && !*(vp2->v_value)) {
|
|
setno(set, *ap); /* set the no<name> equivalent> */
|
|
}
|
|
|
|
/* handle special case of resetting debug var */
|
|
if (! strcmp(*ap, "debug"))
|
|
debug = 0;
|
|
|
|
h = hash(*ap);
|
|
if (vp2 == variables[h]) {
|
|
variables[h] = variables[h]->v_link;
|
|
vfree(vp2->v_name);
|
|
vfree(vp2->v_value);
|
|
cfree(vp2);
|
|
continue;
|
|
}
|
|
for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link)
|
|
;
|
|
vp->v_link = vp2->v_link;
|
|
vfree(vp2->v_name);
|
|
vfree(vp2->v_value);
|
|
cfree(vp2);
|
|
}
|
|
return(errs);
|
|
}
|
|
|
|
/*
|
|
* Put add users to a group.
|
|
*/
|
|
|
|
group(argv)
|
|
char **argv;
|
|
{
|
|
register struct grouphead *gh;
|
|
register struct group *gp;
|
|
register int h;
|
|
int s;
|
|
char **ap, *gname, **p;
|
|
|
|
if (argcount(argv) == 0) {
|
|
for (h = 0, s = 1; h < HSHSIZE; h++)
|
|
for (gh = groups[h]; gh != NOGRP; gh = gh->g_link)
|
|
s++;
|
|
ap = (char **) salloc(s * sizeof *ap);
|
|
for (h = 0, p = ap; h < HSHSIZE; h++)
|
|
for (gh = groups[h]; gh != NOGRP; gh = gh->g_link)
|
|
*p++ = gh->g_name;
|
|
*p = NOSTR;
|
|
sort(ap);
|
|
for (p = ap; *p != NOSTR; p++)
|
|
printgroup(*p);
|
|
return(0);
|
|
}
|
|
if (argcount(argv) == 1) {
|
|
printgroup(*argv);
|
|
return(0);
|
|
}
|
|
gname = *argv;
|
|
h = hash(gname);
|
|
if ((gh = findgroup(gname)) == NOGRP) {
|
|
if ((gh = (struct grouphead *) calloc(sizeof *gh, 1)) == NULL)
|
|
panic(MSGSTR(MEMERR2, "Internal error, calloc() failed"));
|
|
gh->g_name = vcopy(gname);
|
|
gh->g_list = NOGE;
|
|
gh->g_link = groups[h];
|
|
groups[h] = gh;
|
|
}
|
|
|
|
/*
|
|
* Insert names from the command list into the group.
|
|
* Who cares if there are duplicates? They get tossed
|
|
* later anyway.
|
|
*/
|
|
|
|
for (ap = argv+1; *ap != NOSTR; ap++) {
|
|
if ((gp = (struct group *) calloc(sizeof *gp, 1)) == NULL)
|
|
panic(MSGSTR(MEMERR2, "Internal error, calloc() failed"));
|
|
gp->ge_name = vcopy(*ap);
|
|
gp->ge_link = gh->g_list;
|
|
gh->g_list = gp;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Remove specified groups/aliases.
|
|
*/
|
|
|
|
unalias(argv)
|
|
char **argv;
|
|
{
|
|
register struct grouphead *gh, *prev;
|
|
register struct group *gp;
|
|
register int h;
|
|
int s;
|
|
char **ap, *gname, **p;
|
|
|
|
if (argcount(argv) == 0) {
|
|
for (h = 0, s = 1; h < HSHSIZE; h++)
|
|
for (gh = groups[h]; gh != NOGRP; gh = gh->g_link)
|
|
s++;
|
|
ap = (char **)salloc(s * sizeof *ap);
|
|
for (h = 0, p = ap; h < HSHSIZE; h++)
|
|
for (gh = groups[h]; gh != NOGRP; gh = gh->g_link)
|
|
*p++ = gh->g_name;
|
|
*p = NOSTR;
|
|
sort(ap);
|
|
for (p = ap; *p != NOSTR; p++)
|
|
printgroup(*p);
|
|
return(0);
|
|
}
|
|
for (ap = argv; *ap != NOSTR; ap++) {
|
|
h = hash(*ap);
|
|
prev = groups[h];
|
|
for (gh = groups[h]; gh != NOGRP; prev = gh, gh = gh->g_link)
|
|
if (equal(gh->g_name, *ap)) {
|
|
if (gh != groups[h])
|
|
prev->g_link = gh->g_link;
|
|
else
|
|
groups[h] = gh->g_link;
|
|
gh->g_link = NULL;
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Sort the passed string vecotor into ascending dictionary
|
|
* order.
|
|
*/
|
|
|
|
sort(list)
|
|
char **list;
|
|
{
|
|
register char **ap;
|
|
int diction();
|
|
|
|
for (ap = list; *ap != NOSTR; ap++)
|
|
;
|
|
if (ap-list < 2)
|
|
return;
|
|
qsort(list, ap-list, sizeof *list, diction);
|
|
}
|
|
|
|
/*
|
|
* Do a dictionary order comparison of the arguments from
|
|
* qsort.
|
|
*/
|
|
|
|
diction(a, b)
|
|
register char **a, **b;
|
|
{
|
|
return(strcmp(*a, *b));
|
|
}
|
|
|
|
/*
|
|
* The do nothing command for comments.
|
|
*/
|
|
|
|
null(e)
|
|
{
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Print out the current edit file, if we are editing.
|
|
* Otherwise, print the name of the person who's mail
|
|
* we are reading.
|
|
*/
|
|
|
|
file(argv)
|
|
char **argv;
|
|
{
|
|
register char *cp;
|
|
char fname[BUFSIZ];
|
|
int file_edit;
|
|
|
|
if (argv[0] == NOSTR) {
|
|
newfileinfo();
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Acker's! Must switch to the new file.
|
|
* We use a funny interpretation --
|
|
* # -- gets the previous file
|
|
* % -- gets the invoker's post office box
|
|
* %user -- gets someone else's post office box
|
|
* & -- gets invoker's mbox file
|
|
* string -- reads the given file
|
|
*/
|
|
|
|
cp = getfilename(argv[0], &file_edit);
|
|
if (cp == NOSTR)
|
|
return(-1);
|
|
if (setfile(cp, file_edit))
|
|
return(-1);
|
|
announce(0);
|
|
}
|
|
|
|
/*
|
|
* Evaluate the string given as a new mailbox name.
|
|
* Ultimately, we want this to support a number of meta characters.
|
|
* Possibly:
|
|
* % -- for my system mail box
|
|
* %user -- for user's system mail box
|
|
* # -- for previous file
|
|
* & -- get's invoker's mbox file
|
|
* file name -- for any other file
|
|
*/
|
|
|
|
char prevfile[PATHSIZE];
|
|
|
|
char *
|
|
getfilename(name, aedit)
|
|
char *name;
|
|
int *aedit;
|
|
{
|
|
register char *cp;
|
|
char savename[BUFSIZ];
|
|
char oldmailname[BUFSIZ];
|
|
|
|
/*
|
|
* Assume we will be in "edit file" mode, until
|
|
* proven wrong.
|
|
*/
|
|
*aedit = 1;
|
|
switch (*name) {
|
|
case '%':
|
|
*aedit = 0;
|
|
strcpy(prevfile, mailname);
|
|
if (name[1] != 0) {
|
|
strcpy(savename, myname);
|
|
strcpy(oldmailname, mailname);
|
|
strncpy(myname, name+1, PATHSIZE-1);
|
|
myname[PATHSIZE-1] = 0;
|
|
findmail();
|
|
cp = savestr(mailname);
|
|
strcpy(myname, savename);
|
|
strcpy(mailname, oldmailname);
|
|
return(cp);
|
|
}
|
|
strcpy(oldmailname, mailname);
|
|
findmail();
|
|
cp = savestr(mailname);
|
|
strcpy(mailname, oldmailname);
|
|
return(cp);
|
|
|
|
case '#':
|
|
if (name[1] != 0)
|
|
goto regular;
|
|
if (prevfile[0] == 0) {
|
|
printf(MSGSTR(NOPREV, "No previous file\n")); /*MSG*/
|
|
return(NOSTR);
|
|
}
|
|
cp = savestr(prevfile);
|
|
strcpy(prevfile, mailname);
|
|
return(cp);
|
|
|
|
case '&':
|
|
strcpy(prevfile, mailname);
|
|
if (name[1] == 0)
|
|
return(mbox);
|
|
/* Fall into . . . */
|
|
|
|
default:
|
|
regular:
|
|
strcpy(prevfile, mailname);
|
|
cp = expand(name);
|
|
return(cp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Expand file names like echo
|
|
*/
|
|
|
|
echo(argv)
|
|
char **argv;
|
|
{
|
|
register char **ap;
|
|
register char *cp;
|
|
|
|
for (ap = argv; *ap != NOSTR; ap++) {
|
|
cp = *ap;
|
|
if ((cp = expand(cp)) != NOSTR)
|
|
printf("%s ", cp);
|
|
}
|
|
if (ap != argv) /* print newline if we echoed anything */
|
|
putchar('\n');
|
|
return(0);
|
|
}
|
|
|
|
Respond(msgvec)
|
|
int *msgvec;
|
|
{
|
|
if ((value("flipr") == NOSTR) /* the real name */
|
|
&& (value ("Replyall") == NOSTR)) /* for compatibility */
|
|
return (_Respond(msgvec));
|
|
else
|
|
return (_respond(msgvec));
|
|
}
|
|
|
|
/*
|
|
* Respond to a message, recording the response in a file whose name is
|
|
* derived from the author of the message. Overrides the record variable,
|
|
* if set.
|
|
*/
|
|
followup(msgvec)
|
|
int *msgvec;
|
|
{
|
|
return(_Respond(msgvec, 1));
|
|
}
|
|
|
|
/*
|
|
* Respond to the first message in msgvec, sending the message to the author
|
|
* of each message in msgvec. The subject is taken from the first message
|
|
* and the response is recorded in a file whose name is derived from the
|
|
* author of the first message.
|
|
*/
|
|
Followup(msgvec)
|
|
int *msgvec;
|
|
{
|
|
struct message *mp;
|
|
char *cp, *cp2, *cp3, *rcv, *replyto;
|
|
char *filename;
|
|
char buf[2 * LINESIZE], **ap;
|
|
int *index;
|
|
struct name *np;
|
|
struct header head;
|
|
register int s;
|
|
|
|
strcpy(buf, "");
|
|
for (index = msgvec; *index != 0; index++) {
|
|
mp = &message[*index - 1];
|
|
if ((cp = skin(hfield("from", mp))) == NOSTR)
|
|
cp = skin(nameof(mp, 2));
|
|
strcat(buf, cp);
|
|
strcat(buf, " ");
|
|
}
|
|
|
|
/*
|
|
* Save name of first author in order to store copy of reply in
|
|
* file by same name.
|
|
*/
|
|
|
|
filename = skin(hfield("from", &message[*msgvec - 1]));
|
|
|
|
replyto = buf;
|
|
mp = &message[msgvec[0] - 1];
|
|
dot = mp;
|
|
rcv = buf;
|
|
np = elide(extract(buf, GTO));
|
|
mapf(np, rcv);
|
|
/*
|
|
* Delete my name from the reply list,
|
|
* and with it, all my alternate names.
|
|
*/
|
|
np = delname(np, myname, icequal);
|
|
if (altnames)
|
|
for (ap = altnames; *ap; ap++)
|
|
np = delname(np, *ap, icequal);
|
|
head.h_seq = 1;
|
|
cp = detract(np, 0);
|
|
if (cp != NOSTR && replyto == NOSTR) {
|
|
strcpy(buf, cp);
|
|
strcat(buf, " ");
|
|
strcat(buf, rcv);
|
|
}
|
|
else {
|
|
if (cp == NOSTR && replyto != NOSTR)
|
|
printf(MSGSTR(NOREPLYTO, "Empty reply-to field -- replying to author\n")); /*MSG*/
|
|
if (cp == NOSTR)
|
|
strcpy(buf, rcv);
|
|
else
|
|
strcpy(buf, cp);
|
|
}
|
|
head.h_to = buf;
|
|
head.h_subject = hfield("subject", mp);
|
|
if (head.h_subject == NOSTR)
|
|
head.h_subject = hfield("subj", mp);
|
|
head.h_subject = reedit(head.h_subject);
|
|
head.h_cc = NOSTR;
|
|
if (replyto == NOSTR) {
|
|
cp = hfield("cc", mp);
|
|
if (cp != NOSTR) {
|
|
np = elide(extract(cp, GCC));
|
|
mapf(np, rcv);
|
|
np = delname(np, myname, icequal);
|
|
if (altnames != 0)
|
|
for (ap = altnames; *ap; ap++)
|
|
np = delname(np, *ap, icequal);
|
|
head.h_cc = detract(np, 0);
|
|
}
|
|
}
|
|
head.h_bcc = NOSTR;
|
|
mail1(&head, 1, filename);
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Reply to a series of messages by simply mailing to the senders
|
|
* and not messing around with the To: and Cc: lists as in normal
|
|
* reply.
|
|
*/
|
|
|
|
_Respond(msgvec, mark)
|
|
int msgvec[];
|
|
{
|
|
struct header head;
|
|
struct message *mp;
|
|
register int i, s, *ap;
|
|
register char *cp, *cp2, *subject;
|
|
|
|
for (s = 0, ap = msgvec; *ap != 0; ap++) {
|
|
mp = &message[*ap - 1];
|
|
dot = mp;
|
|
if ((cp = skin(hfield("from", mp))) != NOSTR)
|
|
s += strlen(cp) + 1;
|
|
else
|
|
s += strlen(skin(nameof(mp, 2))) + 1;
|
|
}
|
|
if (s == 0)
|
|
return(0);
|
|
cp = salloc(s + 2);
|
|
head.h_to = cp;
|
|
for (ap = msgvec; *ap != 0; ap++) {
|
|
mp = &message[*ap - 1];
|
|
if ((cp2 = skin(hfield("from", mp))) == NOSTR)
|
|
cp2 = skin(nameof(mp, 2));
|
|
cp = copy(cp2, cp);
|
|
*cp++ = ' ';
|
|
}
|
|
*--cp = 0;
|
|
mp = &message[msgvec[0] - 1];
|
|
subject = hfield("subject", mp);
|
|
head.h_seq = 0;
|
|
if (subject == NOSTR)
|
|
subject = hfield("subj", mp);
|
|
head.h_subject = reedit(subject);
|
|
if (subject != NOSTR)
|
|
head.h_seq++;
|
|
head.h_cc = NOSTR;
|
|
head.h_bcc = NOSTR;
|
|
mail1(&head, mark, cp2);
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Conditional commands. These allow one to parameterize one's
|
|
* .mailrc and do some things if sending, others if receiving.
|
|
*/
|
|
|
|
ifcmd(argv)
|
|
char **argv;
|
|
{
|
|
register char *cp;
|
|
|
|
if (cond != CANY) {
|
|
printf(MSGSTR(NESTED, "Illegal nested \"if\"\n")); /*MSG*/
|
|
return(1);
|
|
}
|
|
cond = CANY;
|
|
cp = argv[0];
|
|
switch (*cp) {
|
|
case 'r': case 'R':
|
|
cond = CRCV;
|
|
break;
|
|
|
|
case 's': case 'S':
|
|
cond = CSEND;
|
|
break;
|
|
|
|
default:
|
|
printf(MSGSTR(NOKEYWD, "Unrecognized if-keyword: \"%s\"\n"), cp); /*MSG*/
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Implement 'else'. This is pretty simple -- we just
|
|
* flip over the conditional flag.
|
|
*/
|
|
|
|
elsecmd()
|
|
{
|
|
|
|
switch (cond) {
|
|
case CANY:
|
|
printf(MSGSTR(NOMATCH, "\"Else\" without matching \"if\"\n")); /*MSG*/
|
|
return(1);
|
|
|
|
case CSEND:
|
|
cond = CRCV;
|
|
break;
|
|
|
|
case CRCV:
|
|
cond = CSEND;
|
|
break;
|
|
|
|
default:
|
|
printf(MSGSTR(WRONG, "Mail's idea of conditions is screwed up\n")); /*MSG*/
|
|
cond = CANY;
|
|
break;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* End of if statement. Just set cond back to anything.
|
|
*/
|
|
|
|
endifcmd()
|
|
{
|
|
|
|
if (cond == CANY) {
|
|
printf(MSGSTR(NOMTCH, "\"Endif\" without matching \"if\"\n")); /*MSG*/
|
|
return(1);
|
|
}
|
|
cond = CANY;
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Set the list of alternate names.
|
|
*/
|
|
alternates(namelist)
|
|
char **namelist;
|
|
{
|
|
register int c;
|
|
register char **ap, **ap2, *cp;
|
|
|
|
c = argcount(namelist) + 1;
|
|
if (c == 1) {
|
|
if (altnames == 0)
|
|
return(0);
|
|
for (ap = altnames; *ap; ap++)
|
|
printf("%s ", *ap);
|
|
printf("\n");
|
|
return(0);
|
|
}
|
|
if (altnames != 0)
|
|
cfree((char *) altnames);
|
|
if ((altnames = (char **) calloc(c, sizeof (char *))) == NULL)
|
|
panic(MSGSTR(MEMERR2, "Internal error, calloc() failed"));
|
|
for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) {
|
|
if ((cp = (char *)calloc(strlen(*ap)+1, sizeof (char))) == NULL)
|
|
panic(MSGSTR(MEMERR2, "Internal error, calloc() failed"));
|
|
strcpy(cp, *ap);
|
|
*ap2 = cp;
|
|
}
|
|
*ap2 = 0;
|
|
return(0);
|
|
}
|