4.3BSD/usr/contrib/mh/uip/whatnowsbr.c
/* whatnowsbr.c - the WhatNow shell */
#include "../h/mh.h"
#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
/* */
static struct swit whatnowswitches[] = {
#define DFOLDSW 0
"draftfolder +folder", 0,
#define DMSGSW 1
"draftmessage msg", 0,
#define NDFLDSW 2
"nodraftfolder", 0,
#define EDITRSW 3
"editor editor", 0,
#define NEDITSW 4
"noedit", 0,
#define PRMPTSW 5
"prompt string", 4,
#define HELPSW 6
"help", 4,
NULL, NULL
};
/* */
static struct swit aleqs[] = {
#define DISPSW 0
"display [<switches>]", 0,
#define EDITSW 1
"edit [<editor> <switches>]", 0,
#define LISTSW 2
"list [<switches>]", 0,
#define PUSHSW 3
"push [<switches>]", 0,
#define QUITSW 4
"quit [-delete]", 0,
#define REFILEOPT 5
"refile [<switches>] +folder", 0,
#define SENDSW 6
"send [<switches>]", 0,
#define WHOMSW 7
"whom [<switches>]", 0,
NULL, NULL
};
/* */
static char *myprompt = "\nWhat now? ";
/* */
/* ARGSUSED */
int WhatNow (argc, argv)
int argc;
char **argv;
{
int isdf = 0,
nedit = 0,
use = 0;
char *cp,
*dfolder = NULL,
*dmsg = NULL,
*ed = NULL,
*drft = NULL,
*msgnam = NULL,
buf[100],
prompt[BUFSIZ],
**ap,
**argp,
*arguments[MAXARGS];
struct stat st;
invo_name = r1bindex (argv[0], '/');
if ((cp = m_find (invo_name)) != NULL) {
ap = brkstring (cp = getcpy (cp), " ", "\n");
ap = copyip (ap, arguments);
}
else
ap = arguments;
(void) copyip (argv + 1, ap);
argp = arguments;
/* */
while (cp = *argp++) {
if (*cp == '-')
switch (smatch (++cp, whatnowswitches)) {
case AMBIGSW:
ambigsw (cp, whatnowswitches);
done (1);
case UNKWNSW:
adios (NULLCP, "-%s unknown", cp);
case HELPSW:
(void) sprintf (buf, "%s [switches] [file]", invo_name);
help (buf, whatnowswitches);
done (1);
case DFOLDSW:
if (dfolder)
adios (NULLCP, "only one draft folder at a time!");
if (!(cp = *argp++) || *cp == '-')
adios (NULLCP, "missing argument to %s", argp[-2]);
dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
*cp != '@' ? TFOLDER : TSUBCWF);
continue;
case DMSGSW:
if (dmsg)
adios (NULLCP, "only one draft message at a time!");
if (!(dmsg = *argp++) || *dmsg == '-')
adios (NULLCP, "missing argument to %s", argp[-2]);
continue;
case NDFLDSW:
dfolder = NULL;
isdf = NOTOK;
continue;
case EDITRSW:
if (!(ed = *argp++) || *ed == '-')
adios (NULLCP, "missing argument to %s", argp[-2]);
nedit = 0;
continue;
case NEDITSW:
nedit++;
continue;
case PRMPTSW:
if (!(myprompt = *argp++) || *myprompt == '-')
adios (NULLCP, "missing argument to %s", argp[-2]);
continue;
}
if (drft)
adios (NULLCP, "only one draft at a time!");
else
drft = cp;
}
/* */
if (drft == NULL && (drft = getenv ("mhdraft")) == NULL || *drft == NULL)
drft = getcpy (m_draft (dfolder, dmsg, 1, &isdf));
msgnam = (cp = getenv ("mhaltmsg")) && *cp ? getcpy (cp) : NULLCP;
if (ed == NULL && ((ed = getenv ("mheditor")) == NULL || *ed == NULL))
ed = NULL, nedit++;
if ((cp = getenv ("mhuse")) && *cp)
use = atoi (cp);
if (!nedit
&& editfile (&ed, NULLVP, drft, use, NULLMP, msgnam, NULLCP) < 0)
done (1);
/* */
(void) sprintf (prompt, myprompt, invo_name);
for (;;) {
if (!(argp = getans (prompt, aleqs))) {
(void) unlink (LINK);
done (1);
}
switch (smatch (*argp, aleqs)) {
case DISPSW:
if (msgnam)
(void) showfile (++argp, msgnam);
else
advise (NULLCP, "no alternate message to display");
break;
case EDITSW:
if (*++argp)
ed = *argp++;
if (editfile (&ed, argp, drft, NOUSE, NULLMP, msgnam, NULLCP)
== NOTOK)
done (1);
break;
case LISTSW:
(void) showfile (++argp, drft);
break;
case WHOMSW:
(void) whomfile (++argp, drft);
break;
case QUITSW:
if (*++argp && (*argp[0] == 'd' ||
((*argp)[0] == '-' && (*argp)[1] == 'd'))) {
if (unlink (drft) == NOTOK)
adios (drft, "unable to unlink");
}
else
if (stat (drft, &st) != NOTOK)
advise (NULLCP, "draft left on %s", drft);
done (1);
case PUSHSW:
sendfile (++argp, drft, 1);
done (1);
case SENDSW:
sendfile (++argp, drft, 0);
break;
case REFILEOPT:
if (refile (++argp, drft) == 0)
done (0);
break;
default:
advise (NULLCP, "say what?");
break;
}
}
}
/* EDIT */
static int reedit = 0;
static char *edsave = NULL;
/* ARGSUSED */
static int editfile (ed, arg, file, use, mp, altmsg, cwd)
register struct msgs *mp;
register char **ed,
**arg,
*file,
*altmsg,
*cwd;
register int use;
{
int pid,
status;
register int vecp;
register char *cp;
char altpath[BUFSIZ],
linkpath[BUFSIZ],
*vec[MAXARGS];
struct stat st;
#ifdef BSD42
int slinked;
#endif BSD42
if (!reedit) { /* set initial editor */
if (*ed == NULL && (*ed = m_find ("editor")) == NULL)
*ed = sysed;
}
else
if (!*ed) { /* no explicit editor */
*ed = edsave;
if ((cp = r1bindex (*ed, '/')) == NULL)
cp = *ed;
cp = concat (cp, "-next", NULLCP);
if ((cp = m_find (cp)) != NULL)
*ed = cp;
}
if (altmsg) {
if (mp == NULL || *altmsg == '/' || cwd == NULL)
(void) strcpy (altpath, altmsg);
else
(void) sprintf (altpath, "%s/%s", mp -> foldpath, altmsg);
if (cwd == NULL)
(void) strcpy (linkpath, LINK);
else
(void) sprintf (linkpath, "%s/%s", cwd, LINK);
}
if (altmsg) {
(void) unlink (linkpath);
#ifdef BSD42
if (link (altpath, linkpath) == NOTOK) {
(void) symlink (altpath, linkpath);
slinked = 1;
}
else
slinked = 0;
#else not BSD42
(void) link (altpath, linkpath);
#endif not BSD42
}
m_update ();
(void) fflush (stdout);
switch (pid = vfork ()) {
case NOTOK:
advise ("fork", "unable to");
status = NOTOK;
break;
case OK:
if (cwd)
(void) chdir (cwd);
if (altmsg) {
if (mp)
(void) putenv ("mhfolder", mp -> foldpath);
(void) putenv ("editalt", altpath);
}
vecp = 0;
vec[vecp++] = r1bindex (*ed, '/');
if (arg)
while (*arg)
vec[vecp++] = *arg++;
vec[vecp++] = file;
vec[vecp] = NULL;
execvp (*ed, vec);
fprintf (stderr, "unable to exec ");
perror (*ed);
_exit (-1);
default:
if (status = pidwait (pid, NOTOK)) {
if (((status & 0xff00) != 0xff00)
&& (!reedit || (status & 0x00ff)))
if (!use && (status & 0xff00)) {
(void) unlink (file);
advise (NULLCP, "problems with edit--%s deleted", file);
}
else
advise (NULLCP, "problems with edit--%s preserved",
file);
status = -2;
break;
}
reedit++;
#ifdef BSD42
if (altmsg
&& mp
&& (!mp -> msgflags & READONLY)
&& (slinked
? lstat (linkpath, &st) != NOTOK
&& (st.st_mode & S_IFMT) == S_IFREG
&& copyf (linkpath, altpath) == NOTOK
: stat (linkpath, &st) != NOTOK
&& st.st_nlink == 1
&& (unlink (altpath) == NOTOK
|| link (linkpath, altpath) == NOTOK)))
advise (linkpath, "unable to update %s from", altmsg);
#else not BSD42
if (altmsg
&& mp
&& (!mp -> msgflags & READONLY)
&& stat (linkpath, &st) != NOTOK
&& st.st_nlink == 1
&& (unlink (altpath) == NOTOK
|| link (linkpath, altpath) == NOTOK))
advise (linkpath, "unable to update %s from", altmsg);
#endif not BSD42
}
edsave = getcpy (*ed);
*ed = NULL;
if (altmsg)
(void) unlink (linkpath);
return status;
}
/* */
#ifdef BSD42
static int copyf (ifile, ofile)
register char *ifile,
*ofile;
{
register int i;
int in,
out;
char buffer[BUFSIZ];
if ((in = open (ifile, 0)) == NOTOK)
return NOTOK;
if ((out = open (ofile, 1)) == NOTOK || ftruncate (out, 0) == NOTOK) {
if (out != NOTOK) {
admonish (ofile, "unable to truncate");
(void) close (out);
}
(void) close (in);
return NOTOK;
}
while ((i = read (in, buffer, sizeof buffer)) > OK)
if (write (out, buffer, i) != i) {
advise (ofile, "may have damaged");
i = NOTOK;
break;
}
(void) close (in);
(void) close (out);
return i;
}
#endif BSD42
/* SEND */
static sendfile (arg, file, pushsw)
register char **arg,
*file;
int pushsw;
{
register int child_id,
i,
vecp;
char *cp,
*sp,
*vec[MAXARGS];
if (strcmp (sp = r1bindex (sendproc, '/'), "send") == 0) {
cp = invo_name;
sendit (invo_name = sp, arg, file, pushsw);
invo_name = cp;
return;
}
m_update ();
(void) fflush (stdout);
for (i = 0; (child_id = vfork ()) == NOTOK && i < 5; i++)
sleep (5);
switch (child_id) {
case NOTOK:
advise (NULLCP, "unable to fork, so sending directly...");
case OK:
vecp = 0;
vec[vecp++] = invo_name;
if (pushsw)
vec[vecp++] = "-push";
if (arg)
while (*arg)
vec[vecp++] = *arg++;
vec[vecp++] = file;
vec[vecp] = NULL;
execvp (sendproc, vec);
fprintf (stderr, "unable to exec ");
perror (sendproc);
_exit (-1);
default:
if (pidwait (child_id, OK) == 0)
done (0);
return;
}
}
/* */
static struct swit sendswitches[] = {
#define ALIASW 0
"alias aliasfile", 0,
#define DEBUGSW 1
"debug", -5,
#define ENCRSW 2
"encrypt",
#ifndef TMA
-7,
#else TMA
0,
#endif TMA
#define NENCRSW 3
"noencrypt",
#ifndef TMA
-9,
#else TMA
0,
#endif TMA
#define FILTSW 4
"filter filterfile", 0,
#define NFILTSW 5
"nofilter", 0,
#define FRMTSW 6
"format", 0,
#define NFRMTSW 7
"noformat", 0,
#define FORWSW 8
"forward", 0,
#define NFORWSW 9
"noforward", 0,
#define MSGDSW 10
"msgid", 0,
#define NMSGDSW 11
"nomsgid", 0,
#define SPSHSW 12
"push", 0,
#define NSPSHSW 13
"nopush", 0,
#define UNIQSW 14
"unique", -6,
#define NUNIQSW 15
"nounique", -8,
#define VERBSW 16
"verbose", 0,
#define NVERBSW 17
"noverbose", 0,
#define WATCSW 18
"watch", 0,
#define NWATCSW 19
"nowatch", 0,
#define WIDTHSW 20
"width columns", 0,
#define SHELPSW 21
"help", 4,
#define MAILSW 22
"mail", -4,
#define SAMLSW 23
"saml", -4,
#define SSNDSW 24
"send", -4,
#define SOMLSW 25
"soml", -4,
#define CLIESW 26
"client host", -6,
#define SERVSW 27
"server host", -6,
#define SNOOPSW 28
"snoop", -5,
#define SDRFSW 29
"draftfolder +folder", -6,
#define SDRMSW 30
"draftmessage msg", -6,
#define SNDRFSW 31
"nodraftfolder", -3,
NULL, NULL
};
/* */
extern int debugsw; /* from sendsbr.c */
extern int forwsw;
extern int inplace;
extern int pushsw;
extern int unique;
extern char *altmsg; /* .. */
extern char *annotext;
extern char *distfile;
/* */
static sendit (sp, arg, file, pushed)
register char *sp,
**arg,
*file;
int pushed;
{
int distsw = 0,
vecp = 1;
char *cp,
buf[100],
**ap,
**argp,
*arguments[MAXARGS],
*vec[MAXARGS];
struct stat st;
#ifdef UCI
FILE *fp;
#endif UCI
if (arg)
(void) copyip (arg, vec);
if ((cp = m_find (sp)) != NULL) {
ap = brkstring (cp = getcpy (cp), " ", "\n");
ap = copyip (ap, arguments);
}
else
ap = arguments;
if (arg)
(void) copyip (vec, ap);
argp = arguments;
debugsw = 0, forwsw = 1, inplace = 0, unique = 0;
altmsg = annotext = distfile = NULL;
vec[vecp++] = "-library";
vec[vecp++] = getcpy (m_maildir (""));
/* */
while (cp = *argp++) {
if (*cp == '-')
switch (smatch (++cp, sendswitches)) {
case AMBIGSW:
ambigsw (cp, sendswitches);
return;
case UNKWNSW:
advise (NULLCP, "-%s unknown\n", cp);
return;
case SHELPSW:
(void) sprintf (buf, "%s [switches]", sp);
help (buf, sendswitches);
return;
case SPSHSW:
pushed++;
continue;
case NSPSHSW:
pushed = 0;
continue;
case UNIQSW:
unique++;
continue;
case NUNIQSW:
unique = 0;
continue;
case FORWSW:
forwsw++;
continue;
case NFORWSW:
forwsw = 0;
continue;
case DEBUGSW:
debugsw++; /* fall */
case NFILTSW:
case FRMTSW:
case NFRMTSW:
case MSGDSW:
case NMSGDSW:
case VERBSW:
case NVERBSW:
case WATCSW:
case NWATCSW:
case MAILSW:
case SAMLSW:
case SSNDSW:
case SOMLSW:
case ENCRSW:
case NENCRSW:
case SNOOPSW:
vec[vecp++] = --cp;
continue;
case ALIASW:
case FILTSW:
case WIDTHSW:
case CLIESW:
case SERVSW:
vec[vecp++] = --cp;
if (!(cp = *argp++) || *cp == '-') {
advise (NULLCP, "missing argument to %s", argp[-2]);
return;
}
vec[vecp++] = cp;
continue;
case SDRFSW:
case SDRMSW:
if (!(cp = *argp++) || *cp == '-') {
advise (NULLCP, "missing argument to %s", argp[-2]);
return;
}
case SNDRFSW:
continue;
}
advise (NULLCP, "usage: %s [switches]", sp);
return;
}
/* */
#ifdef TMA
if ((cp = getenv ("KDS")) == NULL || *cp == NULL)
if ((cp = m_find ("kdsproc")) && *cp)
(void) putenv ("KDS", cp);
if ((cp = getenv ("TMADB")) == NULL || *cp == NULL)
if ((cp = m_find ("tmadb")) && *cp)
(void) putenv ("TMADB", m_maildir (cp));
#endif TMA
if ((cp = getenv ("SIGNATURE")) == NULL || *cp == NULL)
if ((cp = m_find ("signature")) && *cp)
(void) putenv ("SIGNATURE", cp);
#ifdef UCI
else {
(void) sprintf (buf, "%s/.signature", mypath);
if ((fp = fopen (buf, "r")) != NULL
&& fgets (buf, sizeof buf, fp) != NULL) {
(void) fclose (fp);
if (cp = index (buf, '\n'))
*cp = NULL;
(void) putenv ("SIGNATURE", buf);
}
}
#endif UCI
if ((annotext = getenv ("mhannotate")) == NULL || *annotext == NULL)
annotext = NULL;
if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == NULL)
altmsg = NULL;
if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != NULL))
inplace = atoi (cp);
if ((cp = getenv ("mhdist"))
&& *cp
&& (distsw = atoi (cp))
&& altmsg) {
vec[vecp++] = "-dist";
distfile = getcpy (m_scratch (altmsg, invo_name));
if (link (altmsg, distfile) == NOTOK)
adios (distfile, "unable to link %s to", altmsg);
}
else
distfile = NULL;
if (altmsg == NULL || stat (altmsg, &st) == NOTOK)
st.st_mtime = 0, st.st_dev = 0, st.st_ino = 0;
if (pushsw = pushed)
push ();
vec[0] = r1bindex (postproc, '/');
closefds (3);
if (sendsbr (vec, vecp, file, &st) == OK)
done (0);
}
/* WHOM */
static int whomfile (arg, file)
register char **arg,
*file;
{
int pid;
register int vecp;
char *vec[MAXARGS];
m_update ();
(void) fflush (stdout);
switch (pid = vfork ()) {
case NOTOK:
advise ("fork", "unable to");
return 1;
case OK:
vecp = 0;
vec[vecp++] = r1bindex (whomproc, '/');
vec[vecp++] = file;
if (arg)
while (*arg)
vec[vecp++] = *arg++;
vec[vecp] = NULL;
execvp (whomproc, vec);
fprintf (stderr, "unable to exec ");
perror (whomproc);
_exit (-1); /* NOTREACHED */
default:
return (pidwait (pid, NOTOK) & 0377 ? 1 : 0);
}
}