/*
* mhlsbr.c -- main routines for nmh message lister
*
* $Id: mhlsbr.c,v 1.7 2005/05/18 13:27:44 opk Exp $
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
#include <h/signals.h>
#include <h/addrsbr.h>
#include <h/fmt_scan.h>
#include <h/tws.h>
#include <setjmp.h>
#include <signal.h>
/*
* MAJOR BUG:
* for a component containing addresses, ADDRFMT, if COMPRESS is also
* set, then addresses get split wrong (not at the spaces between commas).
* To fix this correctly, putstr() should know about "atomic" strings that
* must NOT be broken across lines. That's too difficult for right now
* (it turns out that there are a number of degernate cases), so in
* oneline(), instead of
*
* (*onelp == '\n' && !onelp[1])
*
* being a terminating condition,
*
* (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT)))
*
* is used instead. This cuts the line prematurely, and gives us a much
* better chance of getting things right.
*/
#define ONECOMP 0
#define TWOCOMP 1
#define BODYCOMP 2
#define QUOTE '\\'
static struct swit mhlswitches[] = {
#define BELLSW 0
{ "bell", 0 },
#define NBELLSW 1
{ "nobell", 0 },
#define CLRSW 2
{ "clear", 0 },
#define NCLRSW 3
{ "noclear", 0 },
#define FACESW 4
{ "faceproc program", 0 },
#define NFACESW 5
{ "nofaceproc", 0 },
#define FOLDSW 6
{ "folder +folder", 0 },
#define FORMSW 7
{ "form formfile", 0 },
#define PROGSW 8
{ "moreproc program", 0 },
#define NPROGSW 9
{ "nomoreproc", 0 },
#define LENSW 10
{ "length lines", 0 },
#define WIDTHSW 11
{ "width columns", 0 },
#define SLEEPSW 12
{ "sleep seconds", 0 },
#define BITSTUFFSW 13
{ "dashstuffing", -12 }, /* interface from forw */
#define NBITSTUFFSW 14
{ "nodashstuffing", -14 }, /* interface from forw */
#define VERSIONSW 15
{ "version", 0 },
#define HELPSW 16
{ "help", 0 },
#define FORW1SW 17
{ "forward", -7 }, /* interface from forw */
#define FORW2SW 18
{ "forwall", -7 }, /* interface from forw */
#define DGSTSW 19
{ "digest list", -6 },
#define VOLUMSW 20
{ "volume number", -6 },
#define ISSUESW 21
{ "issue number", -5 },
#define NBODYSW 22
{ "nobody", -6 },
{ NULL, 0 }
};
#define NOCOMPONENT 0x000001 /* don't show component name */
#define UPPERCASE 0x000002 /* display in all upper case */
#define CENTER 0x000004 /* center line */
#define CLEARTEXT 0x000008 /* cleartext */
#define EXTRA 0x000010 /* an "extra" component */
#define HDROUTPUT 0x000020 /* already output */
#define CLEARSCR 0x000040 /* clear screen */
#define LEFTADJUST 0x000080 /* left justify multiple lines */
#define COMPRESS 0x000100 /* compress text */
#define ADDRFMT 0x000200 /* contains addresses */
#define BELL 0x000400 /* sound bell at EOP */
#define DATEFMT 0x000800 /* contains dates */
#define FORMAT 0x001000 /* parse address/date/RFC-2047 field */
#define INIT 0x002000 /* initialize component */
#define FACEFMT 0x004000 /* contains face */
#define FACEDFLT 0x008000 /* default for face */
#define SPLIT 0x010000 /* split headers (don't concatenate) */
#define NONEWLINE 0x020000 /* don't write trailing newline */
#define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017FACEFMT\020FACEDFLT\021SPLIT\022NONEWLINE"
#define GFLAGS (NOCOMPONENT | UPPERCASE | CENTER | LEFTADJUST | COMPRESS | SPLIT)
struct mcomp {
char *c_name; /* component name */
char *c_text; /* component text */
char *c_ovtxt; /* text overflow indicator */
char *c_nfs; /* iff FORMAT */
struct format *c_fmt; /* .. */
char *c_face; /* face designator */
int c_offset; /* left margin indentation */
int c_ovoff; /* overflow indentation */
int c_width; /* width of field */
int c_cwidth; /* width of component */
int c_length; /* length in lines */
long c_flags;
struct mcomp *c_next;
};
static struct mcomp *msghd = NULL;
static struct mcomp *msgtl = NULL;
static struct mcomp *fmthd = NULL;
static struct mcomp *fmttl = NULL;
static struct mcomp global = {
NULL, NULL, "", NULL, NULL, 0, -1, 80, -1, 40, BELL, 0
};
static struct mcomp holder = {
NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, NOCOMPONENT, 0
};
struct pair {
char *p_name;
long p_flags;
};
static struct pair pairs[] = {
{ "Date", DATEFMT },
{ "From", ADDRFMT|FACEDFLT },
{ "Sender", ADDRFMT },
{ "Reply-To", ADDRFMT },
{ "To", ADDRFMT },
{ "cc", ADDRFMT },
{ "Bcc", ADDRFMT },
{ "Resent-Date", DATEFMT },
{ "Resent-From", ADDRFMT },
{ "Resent-Sender", ADDRFMT },
{ "Resent-Reply-To", ADDRFMT },
{ "Resent-To", ADDRFMT },
{ "Resent-cc", ADDRFMT },
{ "Resent-Bcc", ADDRFMT },
{ "Face", FACEFMT },
{ NULL, 0 }
};
struct triple {
char *t_name;
long t_on;
long t_off;
};
static struct triple triples[] = {
{ "nocomponent", NOCOMPONENT, 0 },
{ "uppercase", UPPERCASE, 0 },
{ "nouppercase", 0, UPPERCASE },
{ "center", CENTER, 0 },
{ "nocenter", 0, CENTER },
{ "clearscreen", CLEARSCR, 0 },
{ "noclearscreen", 0, CLEARSCR },
{ "noclear", 0, CLEARSCR },
{ "leftadjust", LEFTADJUST, 0 },
{ "noleftadjust", 0, LEFTADJUST },
{ "compress", COMPRESS, 0 },
{ "nocompress", 0, COMPRESS },
{ "split", SPLIT, 0 },
{ "nosplit", 0, SPLIT },
{ "addrfield", ADDRFMT, DATEFMT },
{ "bell", BELL, 0 },
{ "nobell", 0, BELL },
{ "datefield", DATEFMT, ADDRFMT },
{ "newline", 0, NONEWLINE },
{ "nonewline", NONEWLINE, 0 },
{ NULL, 0, 0 }
};
static int bellflg = 0;
static int clearflg = 0;
static int dashstuff = 0;
static int dobody = 1;
static int forwflg = 0;
static int forwall = 0;
static int sleepsw = NOTOK;
static char *digest = NULL;
static int volume = 0;
static int issue = 0;
static int exitstat = 0;
static int mhldebug = 0;
#define PITTY (-1)
#define NOTTY 0
#define ISTTY 1
static int ontty = NOTTY;
static int row;
static int column;
static int lm;
static int llim;
static int ovoff;
static int term;
static int wid;
static char *ovtxt;
static char *onelp;
static char *parptr;
static int num_ignores = 0;
static char *ignores[MAXARGS];
static jmp_buf env;
static jmp_buf mhlenv;
static char delim3[] = /* from forw.c */
"\n----------------------------------------------------------------------\n\n";
static char delim4[] = "\n------------------------------\n\n";
static FILE *(*mhl_action) () = (FILE *(*) ()) 0;
/*
* Redefine a couple of functions.
* These are undefined later in the code.
*/
#define adios mhladios
#define done mhldone
/*
* prototypes
*/
static void mhl_format (char *, int, int);
static int evalvar (struct mcomp *);
static int ptoi (char *, int *);
static int ptos (char *, char **);
static char *parse (void);
static void process (char *, char *, int, int);
static void mhlfile (FILE *, char *, int, int);
static int mcomp_flags (char *);
static char *mcomp_add (long, char *, char *);
static void mcomp_format (struct mcomp *, struct mcomp *);
static struct mcomp *add_queue (struct mcomp **, struct mcomp **, char *, char *, int);
static void free_queue (struct mcomp **, struct mcomp **);
static void putcomp (struct mcomp *, struct mcomp *, int);
static char *oneline (char *, long);
static void putstr (char *);
static void putch (char);
static RETSIGTYPE intrser (int);
static RETSIGTYPE pipeser (int);
static RETSIGTYPE quitser (int);
static void face_format (struct mcomp *);
static int doface (struct mcomp *);
static void mhladios (char *, char *, ...);
static void mhldone (int);
static void m_popen (char *);
int mhl (int, char **);
int mhlsbr (int, char **, FILE *(*)());
void m_pclose (void);
void clear_screen (void); /* from termsbr.c */
int SOprintf (char *, ...); /* from termsbr.c */
int sc_width (void); /* from termsbr.c */
int sc_length (void); /* from termsbr.c */
int sc_hardcopy (void); /* from termsbr.c */
struct hostent *gethostbystring ();
int
mhl (int argc, char **argv)
{
int length = 0, nomore = 0;
int i, width = 0, vecp = 0;
char *cp, *folder = NULL, *form = NULL;
char buf[BUFSIZ], *files[MAXARGS];
char **argp, **arguments;
invo_name = r1bindex (argv[0], '/');
/* read user profile/context */
context_read();
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
if ((cp = getenv ("MHLDEBUG")) && *cp)
mhldebug++;
if ((cp = getenv ("FACEPROC")))
faceproc = cp;
while ((cp = *argp++)) {
if (*cp == '-') {
switch (smatch (++cp, mhlswitches)) {
case AMBIGSW:
ambigsw (cp, mhlswitches);
done (1);
case UNKWNSW:
adios (NULL, "-%s unknown\n", cp);
case HELPSW:
snprintf (buf, sizeof(buf), "%s [switches] [files ...]", invo_name);
print_help (buf, mhlswitches, 1);
done (1);
case VERSIONSW:
print_version(invo_name);
done (1);
case BELLSW:
bellflg = 1;
continue;
case NBELLSW:
bellflg = -1;
continue;
case CLRSW:
clearflg = 1;
continue;
case NCLRSW:
clearflg = -1;
continue;
case FOLDSW:
if (!(folder = *argp++) || *folder == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
case FORMSW:
if (!(form = *argp++) || *form == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
case FACESW:
if (!(faceproc = *argp++) || *faceproc == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
case NFACESW:
faceproc = NULL;
continue;
case SLEEPSW:
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
sleepsw = atoi (cp);/* ZERO ok! */
continue;
case PROGSW:
if (!(moreproc = *argp++) || *moreproc == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
case NPROGSW:
nomore++;
continue;
case LENSW:
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
if ((length = atoi (cp)) < 1)
adios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case WIDTHSW:
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
if ((width = atoi (cp)) < 1)
adios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case DGSTSW:
if (!(digest = *argp++) || *digest == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
case ISSUESW:
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
if ((issue = atoi (cp)) < 1)
adios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case VOLUMSW:
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
if ((volume = atoi (cp)) < 1)
adios (NULL, "bad argument %s %s", argp[-2], cp);
continue;
case FORW2SW:
forwall++; /* fall */
case FORW1SW:
forwflg++;
clearflg = -1;/* XXX */
continue;
case BITSTUFFSW:
dashstuff = 1; /* trinary logic */
continue;
case NBITSTUFFSW:
dashstuff = -1; /* trinary logic */
continue;
case NBODYSW:
dobody = 0;
continue;
}
}
files[vecp++] = cp;
}
if (!folder)
folder = getenv ("mhfolder");
if (isatty (fileno (stdout))) {
if (!nomore && !sc_hardcopy() && moreproc && *moreproc != '\0') {
if (mhl_action) {
SIGNAL (SIGINT, SIG_IGN);
SIGNAL2 (SIGQUIT, quitser);
}
SIGNAL2 (SIGPIPE, pipeser);
m_popen (moreproc);
ontty = PITTY;
} else {
SIGNAL (SIGINT, SIG_IGN);
SIGNAL2 (SIGQUIT, quitser);
ontty = ISTTY;
}
} else {
ontty = NOTTY;
}
mhl_format (form ? form : mhlformat, length, width);
if (vecp == 0) {
process (folder, NULL, 1, vecp = 1);
} else {
for (i = 0; i < vecp; i++)
process (folder, files[i], i + 1, vecp);
}
if (forwall) {
if (digest) {
printf ("%s", delim4);
if (volume == 0) {
snprintf (buf, sizeof(buf), "End of %s Digest\n", digest);
} else {
snprintf (buf, sizeof(buf), "End of %s Digest [Volume %d Issue %d]\n",
digest, volume, issue);
}
i = strlen (buf);
for (cp = buf + i; i > 1; i--)
*cp++ = '*';
*cp++ = '\n';
*cp = 0;
printf ("%s", buf);
}
else
printf ("\n------- End of Forwarded Message%s\n\n",
vecp > 1 ? "s" : "");
}
fflush(stdout);
if(ferror(stdout)){
adios("output", "error writing");
}
if (clearflg > 0 && ontty == NOTTY)
clear_screen ();
if (ontty == PITTY)
m_pclose ();
return exitstat;
}
static void
mhl_format (char *file, int length, int width)
{
int i;
char *bp, *cp, **ip;
char *ap, buffer[BUFSIZ], name[NAMESZ];
struct mcomp *c1;
struct stat st;
FILE *fp;
static dev_t dev = 0;
static ino_t ino = 0;
static time_t mtime = 0;
if (fmthd != NULL) {
if (stat (etcpath (file), &st) != NOTOK
&& mtime == st.st_mtime
&& dev == st.st_dev
&& ino == st.st_ino)
goto out;
else
free_queue (&fmthd, &fmttl);
}
if ((fp = fopen (etcpath (file), "r")) == NULL)
adios (file, "unable to open format file");
if (fstat (fileno (fp), &st) != NOTOK) {
mtime = st.st_mtime;
dev = st.st_dev;
ino = st.st_ino;
}
global.c_ovtxt = global.c_nfs = NULL;
global.c_fmt = NULL;
global.c_offset = 0;
global.c_ovoff = -1;
if ((i = sc_width ()) > 5)
global.c_width = i;
global.c_cwidth = -1;
if ((i = sc_length ()) > 5)
global.c_length = i - 1;
global.c_flags = BELL; /* BELL is default */
*(ip = ignores) = NULL;
while (vfgets (fp, &ap) == OK) {
bp = ap;
if (*bp == ';')
continue;
if ((cp = strchr(bp, '\n')))
*cp = 0;
if (*bp == ':') {
c1 = add_queue (&fmthd, &fmttl, NULL, bp + 1, CLEARTEXT);
continue;
}
parptr = bp;
strncpy (name, parse(), sizeof(name));
switch (*parptr) {
case '\0':
case ',':
case '=':
/*
* Split this list of fields to ignore, and copy
* it to the end of the current "ignores" list.
*/
if (!strcasecmp (name, "ignores")) {
char **tmparray, **p;
int n = 0;
/* split the fields */
tmparray = brkstring (getcpy (++parptr), ",", NULL);
/* count number of fields split */
p = tmparray;
while (*p++)
n++;
/* copy pointers to split fields to ignores array */
ip = copyip (tmparray, ip, MAXARGS - num_ignores);
num_ignores += n;
continue;
}
parptr = bp;
while (*parptr) {
if (evalvar (&global))
adios (NULL, "format file syntax error: %s", bp);
if (*parptr)
parptr++;
}
continue;
case ':':
c1 = add_queue (&fmthd, &fmttl, name, NULL, INIT);
while (*parptr == ':' || *parptr == ',') {
parptr++;
if (evalvar (c1))
adios (NULL, "format file syntax error: %s", bp);
}
if (!c1->c_nfs && global.c_nfs) {
if (c1->c_flags & DATEFMT) {
if (global.c_flags & DATEFMT)
c1->c_nfs = getcpy (global.c_nfs);
}
else
if (c1->c_flags & ADDRFMT) {
if (global.c_flags & ADDRFMT)
c1->c_nfs = getcpy (global.c_nfs);
}
}
continue;
default:
adios (NULL, "format file syntax error: %s", bp);
}
}
fclose (fp);
if (mhldebug) {
for (c1 = fmthd; c1; c1 = c1->c_next) {
fprintf (stderr, "c1: name=\"%s\" text=\"%s\" ovtxt=\"%s\"\n",
c1->c_name, c1->c_text, c1->c_ovtxt);
fprintf (stderr, "\tnfs=0x%x fmt=0x%x\n",
(unsigned int) c1->c_nfs, (unsigned int) c1->c_fmt);
fprintf (stderr, "\toffset=%d ovoff=%d width=%d cwidth=%d length=%d\n",
c1->c_offset, c1->c_ovoff, c1->c_width,
c1->c_cwidth, c1->c_length);
fprintf (stderr, "\tflags=%s\n",
snprintb (buffer, sizeof(buffer), (unsigned) c1->c_flags, LBITS));
}
}
out:
if (clearflg == 1) {
global.c_flags |= CLEARSCR;
} else {
if (clearflg == -1)
global.c_flags &= ~CLEARSCR;
}
switch (bellflg) { /* command line may override format file */
case 1:
global.c_flags |= BELL;
break;
case -1:
global.c_flags &= ~BELL;
break;
}
if (length)
global.c_length = length;
if (width)
global.c_width = width;
if (global.c_length < 5)
global.c_length = 10000;
if (global.c_width < 5)
global.c_width = 10000;
}
static int
evalvar (struct mcomp *c1)
{
char *cp, name[NAMESZ];
struct triple *ap;
if (!*parptr)
return 0;
strncpy (name, parse(), sizeof(name));
if (!strcasecmp (name, "component")) {
if (ptos (name, &c1->c_text))
return 1;
c1->c_flags &= ~NOCOMPONENT;
return 0;
}
if (!strcasecmp (name, "overflowtext"))
return ptos (name, &c1->c_ovtxt);
if (!strcasecmp (name, "formatfield")) {
char *nfs;
if (ptos (name, &cp))
return 1;
nfs = new_fs (NULL, NULL, cp);
c1->c_nfs = getcpy (nfs);
c1->c_flags |= FORMAT;
return 0;
}
if (!strcasecmp (name, "decode")) {
char *nfs;
nfs = new_fs (NULL, NULL, "%(decode{text})");
c1->c_nfs = getcpy (nfs);
c1->c_flags |= FORMAT;
return 0;
}
if (!strcasecmp (name, "offset"))
return ptoi (name, &c1->c_offset);
if (!strcasecmp (name, "overflowoffset"))
return ptoi (name, &c1->c_ovoff);
if (!strcasecmp (name, "width"))
return ptoi (name, &c1->c_width);
if (!strcasecmp (name, "compwidth"))
return ptoi (name, &c1->c_cwidth);
if (!strcasecmp (name, "length"))
return ptoi (name, &c1->c_length);
if (!strcasecmp (name, "nodashstuffing"))
return (dashstuff = -1);
for (ap = triples; ap->t_name; ap++)
if (!strcasecmp (ap->t_name, name)) {
c1->c_flags |= ap->t_on;
c1->c_flags &= ~ap->t_off;
return 0;
}
return 1;
}
static int
ptoi (char *name, int *i)
{
char *cp;
if (*parptr++ != '=' || !*(cp = parse ())) {
advise (NULL, "missing argument to variable %s", name);
return 1;
}
*i = atoi (cp);
return 0;
}
static int
ptos (char *name, char **s)
{
char c, *cp;
if (*parptr++ != '=') {
advise (NULL, "missing argument to variable %s", name);
return 1;
}
if (*parptr != '"') {
for (cp = parptr;
*parptr && *parptr != ':' && *parptr != ',';
parptr++)
continue;
} else {
for (cp = ++parptr; *parptr && *parptr != '"'; parptr++)
if (*parptr == QUOTE)
if (!*++parptr)
parptr--;
}
c = *parptr;
*parptr = 0;
*s = getcpy (cp);
if ((*parptr = c) == '"')
parptr++;
return 0;
}
static char *
parse (void)
{
int c;
char *cp;
static char result[NAMESZ];
for (cp = result; *parptr && (cp - result < NAMESZ); parptr++) {
c = *parptr;
if (isalnum (c)
|| c == '.'
|| c == '-'
|| c == '_'
|| c =='['
|| c == ']')
*cp++ = c;
else
break;
}
*cp = '\0';
return result;
}
static void
process (char *folder, char *fname, int ofilen, int ofilec)
{
char *cp;
FILE *fp;
struct mcomp *c1;
switch (setjmp (env)) {
case OK:
if (fname) {
fp = mhl_action ? (*mhl_action) (fname) : fopen (fname, "r");
if (fp == NULL) {
advise (fname, "unable to open");
exitstat++;
return;
}
} else {
fname = "(stdin)";
fp = stdin;
}
cp = folder ? concat (folder, ":", fname, NULL) : getcpy (fname);
if (ontty != PITTY)
SIGNAL (SIGINT, intrser);
mhlfile (fp, cp, ofilen, ofilec); /* FALL THROUGH! */
default:
if (ontty != PITTY)
SIGNAL (SIGINT, SIG_IGN);
if (mhl_action == NULL && fp != stdin)
fclose (fp);
free (cp);
if (holder.c_text) {
free (holder.c_text);
holder.c_text = NULL;
}
free_queue (&msghd, &msgtl);
for (c1 = fmthd; c1; c1 = c1->c_next)
c1->c_flags &= ~HDROUTPUT;
break;
}
}
static void
mhlfile (FILE *fp, char *mname, int ofilen, int ofilec)
{
int state;
struct mcomp *c1, *c2, *c3;
char **ip, name[NAMESZ], buf[BUFSIZ];
if (forwall) {
if (digest)
printf ("%s", ofilen == 1 ? delim3 : delim4);
else {
printf ("\n-------");
if (ofilen == 1)
printf (" Forwarded Message%s", ofilec > 1 ? "s" : "");
else
printf (" Message %d", ofilen);
printf ("\n\n");
}
} else {
switch (ontty) {
case PITTY:
if (ofilec > 1) {
if (ofilen > 1) {
if ((global.c_flags & CLEARSCR))
clear_screen ();
else
printf ("\n\n\n");
}
printf (">>> %s\n\n", mname);
}
break;
case ISTTY:
strncpy (buf, "\n", sizeof(buf));
if (ofilec > 1) {
if (SOprintf ("Press <return> to list \"%s\"...", mname)) {
if (ofilen > 1)
printf ("\n\n\n");
printf ("Press <return> to list \"%s\"...", mname);
}
fflush (stdout);
buf[0] = 0;
read (fileno (stdout), buf, sizeof(buf));
}
if (strchr(buf, '\n')) {
if ((global.c_flags & CLEARSCR))
clear_screen ();
}
else
printf ("\n");
break;
default:
if (ofilec > 1) {
if (ofilen > 1) {
printf ("\n\n\n");
if (clearflg > 0)
clear_screen ();
}
printf (">>> %s\n\n", mname);
}
break;
}
}
for (state = FLD;;) {
switch (state = m_getfld (state, name, buf, sizeof(buf), fp)) {
case FLD:
case FLDPLUS:
for (ip = ignores; *ip; ip++)
if (!strcasecmp (name, *ip)) {
while (state == FLDPLUS)
state = m_getfld (state, name, buf, sizeof(buf), fp);
break;
}
if (*ip)
continue;
for (c2 = fmthd; c2; c2 = c2->c_next)
if (!strcasecmp (c2->c_name, name))
break;
c1 = NULL;
if (!((c3 = c2 ? c2 : &global)->c_flags & SPLIT))
for (c1 = msghd; c1; c1 = c1->c_next)
if (!strcasecmp (c1->c_name, c3->c_name)) {
c1->c_text =
mcomp_add (c1->c_flags, buf, c1->c_text);
break;
}
if (c1 == NULL)
c1 = add_queue (&msghd, &msgtl, name, buf, 0);
while (state == FLDPLUS) {
state = m_getfld (state, name, buf, sizeof(buf), fp);
c1->c_text = add (buf, c1->c_text);
}
if (c2 == NULL)
c1->c_flags |= EXTRA;
continue;
case BODY:
case FILEEOF:
row = column = 0;
for (c1 = fmthd; c1; c1 = c1->c_next) {
if (c1->c_flags & CLEARTEXT) {
putcomp (c1, c1, ONECOMP);
continue;
}
if (!strcasecmp (c1->c_name, "messagename")) {
holder.c_text = concat ("(Message ", mname, ")\n",
NULL);
putcomp (c1, &holder, ONECOMP);
free (holder.c_text);
holder.c_text = NULL;
continue;
}
if (!strcasecmp (c1->c_name, "extras")) {
for (c2 = msghd; c2; c2 = c2->c_next)
if (c2->c_flags & EXTRA)
putcomp (c1, c2, TWOCOMP);
continue;
}
if (dobody && !strcasecmp (c1->c_name, "body")) {
if ((holder.c_text = malloc (sizeof(buf))) == NULL)
adios (NULL, "unable to allocate buffer memory");
strncpy (holder.c_text, buf, sizeof(buf));
while (state == BODY) {
putcomp (c1, &holder, BODYCOMP);
state = m_getfld (state, name, holder.c_text,
sizeof(buf), fp);
}
free (holder.c_text);
holder.c_text = NULL;
continue;
}
for (c2 = msghd; c2; c2 = c2->c_next)
if (!strcasecmp (c2->c_name, c1->c_name)) {
putcomp (c1, c2, ONECOMP);
if (!(c1->c_flags & SPLIT))
break;
}
if (faceproc && c2 == NULL && (c1->c_flags & FACEFMT))
for (c2 = msghd; c2; c2 = c2->c_next)
if (c2->c_flags & FACEDFLT) {
if (c2->c_face == NULL)
face_format (c2);
if ((holder.c_text = c2->c_face)) {
putcomp (c1, &holder, ONECOMP);
holder.c_text = NULL;
}
break;
}
}
return;
case LENERR:
case FMTERR:
advise (NULL, "format error in message %s", mname);
exitstat++;
return;
default:
adios (NULL, "getfld() returned %d", state);
}
}
}
static int
mcomp_flags (char *name)
{
struct pair *ap;
for (ap = pairs; ap->p_name; ap++)
if (!strcasecmp (ap->p_name, name))
return (ap->p_flags);
return 0;
}
static char *
mcomp_add (long flags, char *s1, char *s2)
{
char *dp;
if (!(flags & ADDRFMT))
return add (s1, s2);
if (s2 && *(dp = s2 + strlen (s2) - 1) == '\n')
*dp = 0;
return add (s1, add (",\n", s2));
}
struct pqpair {
char *pq_text;
char *pq_error;
struct pqpair *pq_next;
};
static void
mcomp_format (struct mcomp *c1, struct mcomp *c2)
{
int dat[5];
char *ap, *cp;
char buffer[BUFSIZ], error[BUFSIZ];
struct comp *cptr;
struct pqpair *p, *q;
struct pqpair pq;
struct mailname *mp;
ap = c2->c_text;
c2->c_text = NULL;
dat[0] = 0;
dat[1] = 0;
dat[2] = 0;
dat[3] = sizeof(buffer) - 1;
dat[4] = 0;
fmt_compile (c1->c_nfs, &c1->c_fmt);
if (!(c1->c_flags & ADDRFMT)) {
FINDCOMP (cptr, "text");
if (cptr)
cptr->c_text = ap;
if ((cp = strrchr(ap, '\n'))) /* drop ending newline */
if (!cp[1])
*cp = 0;
fmt_scan (c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
/* Don't need to append a newline, dctime() already did */
c2->c_text = getcpy (buffer);
free (ap);
return;
}
(q = &pq)->pq_next = NULL;
while ((cp = getname (ap))) {
if ((p = (struct pqpair *) calloc ((size_t) 1, sizeof(*p))) == NULL)
adios (NULL, "unable to allocate pqpair memory");
if ((mp = getm (cp, NULL, 0, AD_NAME, error)) == NULL) {
p->pq_text = getcpy (cp);
p->pq_error = getcpy (error);
} else {
if ((c1->c_flags & FACEDFLT) && c2->c_face == NULL) {
char *h, *o;
if ((h = mp->m_host) == NULL)
h = LocalName ();
if ((o = OfficialName (h)))
h = o;
c2->c_face = concat ("address ", h, " ", mp->m_mbox,
NULL);
}
p->pq_text = getcpy (mp->m_text);
mnfree (mp);
}
q = (q->pq_next = p);
}
for (p = pq.pq_next; p; p = q) {
FINDCOMP (cptr, "text");
if (cptr)
cptr->c_text = p->pq_text;
FINDCOMP (cptr, "error");
if (cptr)
cptr->c_text = p->pq_error;
fmt_scan (c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
if (*buffer) {
if (c2->c_text)
c2->c_text = add (",\n", c2->c_text);
if (*(cp = buffer + strlen (buffer) - 1) == '\n')
*cp = 0;
c2->c_text = add (buffer, c2->c_text);
}
free (p->pq_text);
if (p->pq_error)
free (p->pq_error);
q = p->pq_next;
free ((char *) p);
}
c2->c_text = add ("\n", c2->c_text);
free (ap);
}
static struct mcomp *
add_queue (struct mcomp **head, struct mcomp **tail, char *name, char *text, int flags)
{
struct mcomp *c1;
if ((c1 = (struct mcomp *) calloc ((size_t) 1, sizeof(*c1))) == NULL)
adios (NULL, "unable to allocate comp memory");
c1->c_flags = flags & ~INIT;
if ((c1->c_name = name ? getcpy (name) : NULL))
c1->c_flags |= mcomp_flags (c1->c_name);
c1->c_text = text ? getcpy (text) : NULL;
if (flags & INIT) {
if (global.c_ovtxt)
c1->c_ovtxt = getcpy (global.c_ovtxt);
c1->c_offset = global.c_offset;
c1->c_ovoff = global. c_ovoff;
c1->c_width = c1->c_length = 0;
c1->c_cwidth = global.c_cwidth;
c1->c_flags |= global.c_flags & GFLAGS;
}
if (*head == NULL)
*head = c1;
if (*tail != NULL)
(*tail)->c_next = c1;
*tail = c1;
return c1;
}
static void
free_queue (struct mcomp **head, struct mcomp **tail)
{
struct mcomp *c1, *c2;
for (c1 = *head; c1; c1 = c2) {
c2 = c1->c_next;
if (c1->c_name)
free (c1->c_name);
if (c1->c_text)
free (c1->c_text);
if (c1->c_ovtxt)
free (c1->c_ovtxt);
if (c1->c_nfs)
free (c1->c_nfs);
if (c1->c_fmt)
free ((char *) c1->c_fmt);
if (c1->c_face)
free (c1->c_face);
free ((char *) c1);
}
*head = *tail = NULL;
}
static void
putcomp (struct mcomp *c1, struct mcomp *c2, int flag)
{
int count, cchdr;
char *cp;
cchdr = 0;
lm = 0;
llim = c1->c_length ? c1->c_length : -1;
wid = c1->c_width ? c1->c_width : global.c_width;
ovoff = (c1->c_ovoff >= 0 ? c1->c_ovoff : global.c_ovoff)
+ c1->c_offset;
if ((ovtxt = c1->c_ovtxt ? c1->c_ovtxt : global.c_ovtxt) == NULL)
ovtxt = "";
if (wid < ovoff + strlen (ovtxt) + 5)
adios (NULL, "component: %s width(%d) too small for overflow(%d)",
c1->c_name, wid, ovoff + strlen (ovtxt) + 5);
onelp = NULL;
if (c1->c_flags & CLEARTEXT) {
putstr (c1->c_text);
putstr ("\n");
return;
}
if (c1->c_flags & FACEFMT)
switch (doface (c2)) {
case NOTOK: /* error */
case OK: /* async faceproc */
return;
default: /* sync faceproc */
break;
}
if (c1->c_nfs && (c1->c_flags & (ADDRFMT | DATEFMT | FORMAT)))
mcomp_format (c1, c2);
if (c1->c_flags & CENTER) {
count = (c1->c_width ? c1->c_width : global.c_width)
- c1->c_offset - strlen (c2->c_text);
if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT))
count -= strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
lm = c1->c_offset + (count / 2);
} else {
if (c1->c_offset)
lm = c1->c_offset;
}
if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT)) {
if (c1->c_flags & UPPERCASE) /* uppercase component also */
for (cp = (c1->c_text ? c1->c_text : c1->c_name); *cp; cp++)
if (islower (*cp))
*cp = toupper (*cp);
putstr (c1->c_text ? c1->c_text : c1->c_name);
if (flag != BODYCOMP) {
putstr (": ");
if (!(c1->c_flags & SPLIT))
c1->c_flags |= HDROUTPUT;
cchdr++;
if ((count = c1->c_cwidth -
strlen (c1->c_text ? c1->c_text : c1->c_name) - 2) > 0)
while (count--)
putstr (" ");
}
else
c1->c_flags |= HDROUTPUT; /* for BODYCOMP */
}
if (flag == TWOCOMP
&& !(c2->c_flags & HDROUTPUT)
&& !(c2->c_flags & NOCOMPONENT)) {
if (c1->c_flags & UPPERCASE)
for (cp = c2->c_name; *cp; cp++)
if (islower (*cp))
*cp = toupper (*cp);
putstr (c2->c_name);
putstr (": ");
if (!(c1->c_flags & SPLIT))
c2->c_flags |= HDROUTPUT;
cchdr++;
if ((count = c1->c_cwidth - strlen (c2->c_name) - 2) > 0)
while (count--)
putstr (" ");
}
if (c1->c_flags & UPPERCASE)
for (cp = c2->c_text; *cp; cp++)
if (islower (*cp))
*cp = toupper (*cp);
count = 0;
if (cchdr) {
if (flag == TWOCOMP)
count = (c1->c_cwidth >= 0) ? c1->c_cwidth
: strlen (c2->c_name) + 2;
else
count = (c1->c_cwidth >= 0) ? c1->c_cwidth
: strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
}
count += c1->c_offset;
if ((cp = oneline (c2->c_text, c1->c_flags)))
putstr(cp);
if (term == '\n')
putstr ("\n");
while ((cp = oneline (c2->c_text, c1->c_flags))) {
lm = count;
if (flag == BODYCOMP
&& !(c1->c_flags & NOCOMPONENT))
putstr (c1->c_text ? c1->c_text : c1->c_name);
if (*cp)
putstr (cp);
if (term == '\n')
putstr ("\n");
}
}
static char *
oneline (char *stuff, long flags)
{
int spc;
char *cp, *ret;
if (onelp == NULL)
onelp = stuff;
if (*onelp == 0)
return (onelp = NULL);
ret = onelp;
term = 0;
if (flags & COMPRESS) {
for (spc = 1, cp = ret; *onelp; onelp++)
if (isspace (*onelp)) {
if (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT))) {
term = '\n';
*onelp++ = 0;
break;
}
else
if (!spc) {
*cp++ = ' ';
spc++;
}
}
else {
*cp++ = *onelp;
spc = 0;
}
*cp = 0;
}
else {
while (*onelp && *onelp != '\n')
onelp++;
if (*onelp == '\n') {
term = '\n';
*onelp++ = 0;
}
if (flags & LEFTADJUST)
while (*ret == ' ' || *ret == '\t')
ret++;
}
if (*onelp == 0 && term == '\n' && (flags & NONEWLINE))
term = 0;
return ret;
}
static void
putstr (char *string)
{
if (!column && lm > 0) {
while (lm > 0)
if (lm >= 8) {
putch ('\t');
lm -= 8;
}
else {
putch (' ');
lm--;
}
}
lm = 0;
while (*string)
putch (*string++);
}
static void
putch (char ch)
{
char buf[BUFSIZ];
if (llim == 0)
return;
switch (ch) {
case '\n':
if (llim > 0)
llim--;
column = 0;
row++;
if (ontty != ISTTY || row != global.c_length)
break;
if (global.c_flags & BELL)
putchar ('\007');
fflush (stdout);
buf[0] = 0;
read (fileno (stdout), buf, sizeof(buf));
if (strchr(buf, '\n')) {
if (global.c_flags & CLEARSCR)
clear_screen ();
row = 0;
} else {
putchar ('\n');
row = global.c_length / 3;
}
return;
case '\t':
column |= 07;
column++;
break;
case '\b':
column--;
break;
case '\r':
column = 0;
break;
default:
/*
* If we are forwarding this message, and the first
* column contains a dash, then add a dash and a space.
*/
if (column == 0 && forwflg && (dashstuff >= 0) && ch == '-') {
putchar ('-');
putchar (' ');
}
if (ch >= ' ')
column++;
break;
}
if (column >= wid) {
putch ('\n');
if (ovoff > 0)
lm = ovoff;
putstr (ovtxt ? ovtxt : "");
putch (ch);
return;
}
putchar (ch);
}
static RETSIGTYPE
intrser (int i)
{
#ifndef RELIABLE_SIGNALS
SIGNAL (SIGINT, intrser);
#endif
discard (stdout);
putchar ('\n');
longjmp (env, DONE);
}
static RETSIGTYPE
pipeser (int i)
{
#ifndef RELIABLE_SIGNALS
SIGNAL (SIGPIPE, pipeser);
#endif
done (NOTOK);
}
static RETSIGTYPE
quitser (int i)
{
#ifndef RELIABLE_SIGNALS
SIGNAL (SIGQUIT, quitser);
#endif
putchar ('\n');
fflush (stdout);
done (NOTOK);
}
static void
face_format (struct mcomp *c1)
{
char *cp;
struct mailname *mp;
if ((cp = c1->c_text) == NULL)
return;
if ((cp = getname (cp))) {
if ((mp = getm (cp, NULL, 0, AD_NAME, NULL))) {
char *h, *o;
if ((h = mp->m_host) == NULL)
h = LocalName ();
if ((o = OfficialName (h)))
h = o;
c1->c_face = concat ("address ", h, " ", mp->m_mbox, NULL);
}
while ((cp = getname (cp)))
continue;
}
}
/*
* faceproc is two elements defining the image agent's location:
* Internet host
* UDP port
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
static int
doface (struct mcomp *c1)
{
int result, sd;
struct sockaddr_in in_socket;
struct sockaddr_in *isock = &in_socket;
static int inited = OK;
static int addrlen;
static struct in_addr addr;
static unsigned short portno;
if (inited == OK) {
char *cp;
char **ap = brkstring (cp = getcpy (faceproc), " ", "\n");
struct hostent *hp;
if (ap[0] == NULL || ap[1] == NULL) {
bad_faceproc: ;
free (cp);
return (inited = NOTOK);
}
if (!(hp = gethostbystring (ap[0])))
goto bad_faceproc;
memcpy((char *) &addr, hp->h_addr, addrlen = hp->h_length);
portno = htons ((unsigned short) atoi (ap[1]));
free (cp);
inited = DONE;
}
if (inited == NOTOK)
return NOTOK;
isock->sin_family = AF_INET;
isock->sin_port = portno;
memcpy((char *) &isock->sin_addr, (char *) &addr, addrlen);
if ((sd = socket (AF_INET, SOCK_DGRAM, 0)) == NOTOK)
return NOTOK;
result = sendto (sd, c1->c_text, strlen (c1->c_text), 0,
(struct sockaddr *) isock, sizeof(*isock));
close (sd);
return (result != NOTOK ? OK : NOTOK);
}
/*
* COMMENTED OUT
* This version doesn't use sockets
*/
#if 0
static int
doface (struct mcomp *c1)
{
int i, len, vecp;
pid_t child_id;
int result, pdi[2], pdo[2];
char *bp, *cp;
char buffer[BUFSIZ], *vec[10];
if (pipe (pdi) == NOTOK)
return NOTOK;
if (pipe (pdo) == NOTOK) {
close (pdi[0]);
close (pdi[1]);
return NOTOK;
}
for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
sleep (5);
switch (child_id) {
case NOTOK:
/* oops... fork error */
return NOTOK;
case OK:
/* child process */
SIGNAL (SIGINT, SIG_IGN);
SIGNAL (SIGQUIT, SIG_IGN);
if (pdi[0] != fileno (stdin)) {
dup2 (pdi[0], fileno (stdin));
close (pdi[0]);
}
close (pdi[1]);
close (pdo[0]);
if (pdo[1] != fileno (stdout)) {
dup2 (pdo[1], fileno (stdout));
close (pdo[1]);
}
vecp = 0;
vec[vecp++] = r1bindex (faceproc, '/');
vec[vecp++] = "-e";
if (sleepsw != NOTOK) {
vec[vecp++] = "-s";
snprintf (buffer, sizeof(buffer), "%d", sleepsw);
vec[vecp++] = buffer;
}
vec[vecp] = NULL;
execvp (faceproc, vec);
fprintf (stderr, "unable to exec ");
perror (faceproc);
_exit (-1); /* NOTREACHED */
default:
/* parent process */
close (pdi[0]);
i = strlen (c1->c_text);
if (write (pdi[1], c1->c_text, i) != i)
adios ("pipe", "error writing to");
free (c1->c_text), c1->c_text = NULL;
close (pdi[1]);
close (pdo[1]);
cp = NULL, len = 0;
result = DONE;
while ((i = read (pdo[0], buffer, strlen (buffer))) > 0) {
if (cp) {
int j;
char *dp;
if ((dp = realloc (cp, (unsigned) (j = len + i))) == NULL)
adios (NULL, "unable to allocate face storage");
memcpy(dp + len, buffer, i);
cp = dp, len = j;
}
else {
if ((cp = malloc ((unsigned) i)) == NULL)
adios (NULL, "unable to allocate face storage");
memcpy(cp, buffer, i);
len = i;
}
if (result == DONE)
for (bp = buffer + i - 1; bp >= buffer; bp--)
if (!isascii (*bp) || iscntrl (*bp)) {
result = OK;
break;
}
}
close (pdo[0]);
/* no waiting for child... */
if (result == OK) { /* binary */
if (write (1, cp, len) != len)
adios ("writing", "error");
free (cp);
}
else /* empty */
if ((c1->c_text = cp) == NULL)
result = OK;
break;
}
return result;
}
#endif /* COMMENTED OUT */
int
mhlsbr (int argc, char **argv, FILE *(*action)())
{
SIGNAL_HANDLER istat, pstat, qstat;
char *cp;
struct mcomp *c1;
switch (setjmp (mhlenv)) {
case OK:
cp = invo_name;
sleepsw = 0; /* XXX */
bellflg = clearflg = forwflg = forwall = exitstat = 0;
digest = NULL;
ontty = NOTTY;
mhl_action = action;
/*
* If signal is at default action, then start ignoring
* it, else let it set to its current action.
*/
if ((istat = SIGNAL (SIGINT, SIG_IGN)) != SIG_DFL)
SIGNAL (SIGINT, istat);
if ((qstat = SIGNAL (SIGQUIT, SIG_IGN)) != SIG_DFL)
SIGNAL (SIGQUIT, qstat);
pstat = SIGNAL (SIGPIPE, pipeser);
mhl (argc, argv); /* FALL THROUGH! */
default:
SIGNAL (SIGINT, istat);
SIGNAL (SIGQUIT, qstat);
SIGNAL (SIGPIPE, SIG_IGN);/* should probably change to block instead */
if (ontty == PITTY)
m_pclose ();
SIGNAL (SIGPIPE, pstat);
invo_name = cp;
if (holder.c_text) {
free (holder.c_text);
holder.c_text = NULL;
}
free_queue (&msghd, &msgtl);
for (c1 = fmthd; c1; c1 = c1->c_next)
c1->c_flags &= ~HDROUTPUT;
return exitstat;
}
}
#undef adios
#undef done
static void
mhladios (char *what, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
advertise (what, NULL, fmt, ap);
va_end(ap);
mhldone (1);
}
static void
mhldone (int status)
{
exitstat = status;
if (mhl_action)
longjmp (mhlenv, DONE);
else
done (exitstat);
}
static int m_pid = NOTOK;
static int sd = NOTOK;
static void
m_popen (char *name)
{
int pd[2];
if (mhl_action && (sd = dup (fileno (stdout))) == NOTOK)
adios ("standard output", "unable to dup()");
if (pipe (pd) == NOTOK)
adios ("pipe", "unable to");
switch (m_pid = vfork ()) {
case NOTOK:
adios ("fork", "unable to");
case OK:
SIGNAL (SIGINT, SIG_DFL);
SIGNAL (SIGQUIT, SIG_DFL);
close (pd[1]);
if (pd[0] != fileno (stdin)) {
dup2 (pd[0], fileno (stdin));
close (pd[0]);
}
execlp (name, r1bindex (name, '/'), NULL);
fprintf (stderr, "unable to exec ");
perror (name);
_exit (-1);
default:
close (pd[0]);
if (pd[1] != fileno (stdout)) {
dup2 (pd[1], fileno (stdout));
close (pd[1]);
}
}
}
void
m_pclose (void)
{
if (m_pid == NOTOK)
return;
if (sd != NOTOK) {
fflush (stdout);
if (dup2 (sd, fileno (stdout)) == NOTOK)
adios ("standard output", "unable to dup2()");
clearerr (stdout);
close (sd);
sd = NOTOK;
}
else
fclose (stdout);
pidwait (m_pid, OK);
m_pid = NOTOK;
}
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