4.3BSD/usr/contrib/mh/uip/replsbr.c
/* replsbr.c - routines to help repl along... */
#include "../h/mh.h"
#include "../h/addrsbr.h"
#include "../h/formatsbr.h"
#include <ctype.h>
#include <stdio.h>
extern short ccto, /* from repl.c */
cccc,
ccme,
format,
outputlinelen,
querysw;
extern char *fcc,
*filter,
*form;
static int dftype;
static char *badaddrs = NULL;
static char *dfhost;
static struct mailname mq;
#define SBUFSIZ 256 /* buffer size for content part of header
* fields. We want this to be large
* enough so that we don't do a lot of
* extra FLDPLUS calls on m_getfld but
* small enough so that we don't snarf
* the entire message body when we're
* not going to use any of it.
*/
static struct format *fmt;
static int ncomps = 0; /* # of interesting components */
static char **compbuffers = 0; /* buffers for component text */
static struct comp **used_buf = 0; /* stack for comp that use buffers */
static int dat[4]; /* aux. data for format routine */
/* */
/* ARGSUSED */
replout (inb, msg, drft)
register FILE *inb;
char *msg;
char *drft;
{
register int state;
register int i;
register struct comp *cptr;
register char *tmpbuf;
register char **nxtbuf;
register struct comp **savecomp;
FILE *out;
char name[NAMESZ];
char *scanl;
int char_read = 0;
char *cp;
int format_len;
(void) umask( ~ m_gmprot() );
if ((out = fopen (drft, "w")) == NULL)
adios (drft, "unable to create");
cp = new_fs (form ? form : replcomps, NULLCP, NULLCP);
format_len = strlen (cp);
ncomps = fmt_compile (cp, &fmt) + 1;
nxtbuf = compbuffers = (char **)calloc((unsigned)ncomps,sizeof(char *));
if (nxtbuf == NULL)
adios (NULLCP, "unable to allocate component buffers");
used_buf = (struct comp **)calloc((unsigned)(ncomps+1),sizeof(struct comp *));
if (used_buf == NULL)
adios (NULLCP, "unable to allocate component buffer stack");
used_buf += ncomps+1; *--used_buf = 0;
for (i = ncomps; i--; )
if ((*nxtbuf++ = malloc( SBUFSIZ )) == NULL)
adios (NULLCP, "unable to allocate component buffer");
nxtbuf = compbuffers;
savecomp = used_buf;
tmpbuf = *nxtbuf++;
/* ignore any components killed by command line switches */
if (!ccto) {
FINDCOMP (cptr, "to");
if (cptr)
cptr->c_name = "";
}
if (!cccc) {
FINDCOMP (cptr, "cc");
if (cptr)
cptr->c_name = "";
}
/* set up the "fcc" pseudo-component */
if (fcc) {
FINDCOMP (cptr, "fcc");
if (cptr)
cptr->c_text = getcpy (fcc);
}
if (!ccme)
(void) ismymbox ((struct mailname *)0); /* XXX */
/* pick any interesting stuff out of msg "inb" */
for (state = FLD;;) {
state = m_getfld (state, name, tmpbuf, SBUFSIZ, inb);
switch (state) {
case FLD:
case FLDPLUS:
/*
* if we're interested in this component, save a pointer
* to the component text, then start using our next free
* buffer as the component temp buffer (buffer switching
* saves an extra copy of the component text).
*/
if (cptr = wantcomp[CHASH(name)])
do {
if (uleq(name, cptr->c_name)) {
char_read += msg_count;
if (! cptr->c_text) {
cptr->c_text = tmpbuf;
*--savecomp = cptr;
tmpbuf = *nxtbuf++;
} else {
i = strlen (cp = cptr->c_text) - 1;
if (cp[i] == '\n')
if (cptr->c_type & CT_ADDR) {
cp[i] = '\0';
cp = add (",\n\t", cp);
} else {
cp = add ("\t", cp);
}
cptr->c_text = add (tmpbuf, cp);
}
while (state == FLDPLUS) {
state = m_getfld (state, name, tmpbuf,
SBUFSIZ, inb);
cptr->c_text = add (tmpbuf, cptr->c_text);
char_read += msg_count;
}
break;
}
} while (cptr = cptr->c_next);
while (state == FLDPLUS)
state = m_getfld (state, name, tmpbuf, SBUFSIZ, inb);
break;
case LENERR:
case FMTERR:
case BODY:
case FILEEOF:
goto finished;
default:
adios (NULLCP, "m_getfld() returned %d", state);
}
}
/*
* format and output the header lines.
*/
finished:
/* if there's a "subject" component, strip any "re:"s off it */
FINDCOMP (cptr, "subject")
if (cptr && (cp = cptr->c_text)) {
register char *sp = cp;
for (;;) {
while (isspace(i = *cp++))
;
if ((i | 0x20) != 'r' || (*cp++ | 0x20) != 'e' || *cp++ != ':')
break;
sp = cp;
}
if (sp != cptr->c_text) {
cp = cptr->c_text;
cptr->c_text = getcpy (sp);
free (cp);
}
}
i = format_len + char_read + 256;
scanl = malloc ((unsigned)i + 2);
dat[0] = dat[1] = dat[2] = 0;
dat[3] = outputlinelen;
(void) fmtscan (fmt, scanl, i, dat);
fputs (scanl, out);
if (badaddrs) {
fputs ("\nrepl: bad addresses:\n", out);
fputs ( badaddrs, out);
}
if (filter)
replfilter (inb, out);
if (ferror (out))
adios (drft, "error writing");
(void) fclose (out);
/* return dynamically allocated buffers */
free (scanl);
while ( cptr = *savecomp++ )
free (cptr->c_text);
while ( cp = *nxtbuf++)
free (cp);
free (tmpbuf);
free ((char *) compbuffers);
free ((char *) used_buf);
}
/* */
static char *buf; /* our current working buffer */
static char *bufend; /* end of working buffer */
static char *last_dst; /* buf ptr at end of last call */
static unsigned int bufsiz; /* current size of buf */
#define BUFINCR 512 /* how much to expand buf when if fills */
#define CPY(s) { cp = (s); while (*dst++ = *cp++) ; --dst; }
/* check if there's enough room in buf for str. add more mem if needed */
#define CHECKMEM(str) \
if ((len = strlen (str)) >= bufend - dst) {\
bufsiz += ((dst + len - bufend) / BUFINCR + 1) * BUFINCR;\
buf = realloc (buf, bufsiz);\
if (! buf)\
adios (NULLCP, "formataddr: couldn't get buffer space");\
bufend = buf + bufsiz;\
}
/* fmtscan will call this routine if the user includes the function
* "(formataddr {component})" in a format string. "orig" is the
* original contents of the string register. "str" is the address
* string to be formatted and concatenated onto orig. This routine
* returns a pointer to the concatenated address string.
*
* We try to not do a lot of malloc/copy/free's (which is why we
* don't call "getcpy") but still place no upper limit on the
* length of the result string.
*/
char *formataddr (orig, str)
char *orig;
char *str;
{
register int len;
char baddr[BUFSIZ];
register int isgroup;
register char *dst;
register char *cp;
register char *sp;
register struct mailname *mp = NULL;
/* if we don't have a buffer yet, get one */
if (bufsiz == 0) {
buf = malloc (BUFINCR);
if (! buf)
adios (NULLCP, "formataddr: couldn't allocate buffer space");
bufsiz = BUFINCR - 6; /* leave some slop */
bufend = buf + bufsiz;
}
/*
* If "orig" points to our buffer we can just pick up where we
* left off. Otherwise we have to copy orig into our buffer.
*/
if (orig == buf)
dst = last_dst;
else if (!orig || !*orig) {
dst = buf;
*dst = '\0';
} else {
CHECKMEM (orig);
CPY (orig);
}
/* concatenate all the new addresses onto 'buf' */
for (isgroup = 0; cp = getname (str); ) {
if ((mp = getm (cp, dfhost, dftype, AD_NAME, NULLCP)) == NULL) {
(void) sprintf (baddr, "\tBAD ADDRRESS: %s\n", cp);
badaddrs = add (baddr, badaddrs);
continue;
}
if (isgroup && (mp->m_gname || !mp->m_ingrp)) {
*dst++ = ';';
isgroup = 0;
}
if (insert (mp)) {
/* if we get here we're going to add an address */
if (dst != buf) {
*dst++ = ',';
*dst++ = ' ';
}
if (mp->m_gname) {
CHECKMEM (mp->m_gname);
CPY (mp->m_gname);
isgroup++;
}
sp = adrformat (mp);
CHECKMEM (sp);
CPY (sp);
}
}
if (isgroup)
*dst++ = ';';
*dst = '\0';
last_dst = dst;
return (buf);
}
/* */
static insert (np)
register struct mailname *np;
{
char buffer[BUFSIZ];
register struct mailname *mp;
if (np -> m_mbox == NULL)
return 0;
for (mp = &mq; mp -> m_next; mp = mp -> m_next) {
#ifdef BERK
if (uleq (np -> m_mbox, mp -> m_next -> m_mbox))
return 0;
#else not BERK
if (uleq (np -> m_host, mp -> m_next -> m_host)
&& uleq (np -> m_mbox, mp -> m_next -> m_mbox))
return 0;
#endif BERK
}
if (!ccme && ismymbox (np))
return 0;
if (querysw) {
(void) sprintf (buffer, "Reply to %s? ", adrformat (np));
if (!gans (buffer, anoyes))
return 0;
}
mp -> m_next = np;
#ifdef ISI
if (ismymbox (np))
ccme = 0;
#endif ISI
return 1;
}
/* */
static replfilter (in, out)
register FILE *in,
*out;
{
int pid;
char *mhl;
if (filter == NULL)
return;
if (access (filter, 04) == NOTOK)
adios (filter, "unable to read");
mhl = r1bindex (mhlproc, '/');
rewind (in);
(void) fflush (out);
switch (pid = vfork ()) {
case NOTOK:
adios ("fork", "unable to");
case OK:
(void) dup2 (fileno (in), fileno (stdin));
(void) dup2 (fileno (out), fileno (stdout));
closefds (3);
execlp (mhlproc, mhl, "-form", filter, "-noclear", NULLCP);
fprintf (stderr, "unable to exec ");
perror (mhlproc);
_exit (-1);
default:
if (pidXwait (pid, mhl))
done (1);
(void) fseek (out, 0L, 2);
break;
}
}