2 ** mhlsbr.c -- main routines for nmh message lister
4 ** This code is Copyright (c) 2002, by the authors of nmh. See the
5 ** COPYRIGHT file in the root directory of the nmh distribution for
6 ** complete copyright information.
10 #include <h/signals.h>
11 #include <h/addrsbr.h>
12 #include <h/fmt_scan.h>
20 ** for a component containing addresses, ADDRFMT, if COMPRESS is also
21 ** set, then addresses get split wrong (not at the spaces between commas).
22 ** To fix this correctly, putstr() should know about "atomic" strings that
23 ** must NOT be broken across lines. That's too difficult for right now
24 ** (it turns out that there are a number of degernate cases), so in
25 ** oneline(), instead of
27 ** (*onelp == '\n' && !onelp[1])
29 ** being a terminating condition,
31 ** (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT)))
33 ** is used instead. This cuts the line prematurely, and gives us a much
34 ** better chance of getting things right.
43 static struct swit mhlswitches[] = {
53 { "faceproc program", 0 },
57 { "folder +folder", 0 },
59 { "form formfile", 0 },
61 { "moreproc program", 0 },
65 { "length lines", 0 },
67 { "width columns", 0 },
69 { "sleep seconds", 0 },
71 { "dashstuffing", -12 }, /* interface from forw */
72 #define NBITSTUFFSW 14
73 { "nodashstuffing", -14 }, /* interface from forw */
79 { "forward", -7 }, /* interface from forw */
81 { "forwall", -7 }, /* interface from forw */
83 { "digest list", -6 },
85 { "volume number", -6 },
87 { "issue number", -5 },
93 #define NOCOMPONENT 0x000001 /* don't show component name */
94 #define UPPERCASE 0x000002 /* display in all upper case */
95 #define CENTER 0x000004 /* center line */
96 #define CLEARTEXT 0x000008 /* cleartext */
97 #define EXTRA 0x000010 /* an "extra" component */
98 #define HDROUTPUT 0x000020 /* already output */
99 #define CLEARSCR 0x000040 /* clear screen */
100 #define LEFTADJUST 0x000080 /* left justify multiple lines */
101 #define COMPRESS 0x000100 /* compress text */
102 #define ADDRFMT 0x000200 /* contains addresses */
103 #define BELL 0x000400 /* sound bell at EOP */
104 #define DATEFMT 0x000800 /* contains dates */
105 #define FORMAT 0x001000 /* parse address/date/RFC-2047 field */
106 #define INIT 0x002000 /* initialize component */
107 #define FACEFMT 0x004000 /* contains face */
108 #define FACEDFLT 0x008000 /* default for face */
109 #define SPLIT 0x010000 /* split headers (don't concatenate) */
110 #define NONEWLINE 0x020000 /* don't write trailing newline */
111 #define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017FACEFMT\020FACEDFLT\021SPLIT\022NONEWLINE"
112 #define GFLAGS (NOCOMPONENT | UPPERCASE | CENTER | LEFTADJUST | COMPRESS | SPLIT)
115 char *c_name; /* component name */
116 char *c_text; /* component text */
117 char *c_ovtxt; /* text overflow indicator */
118 char *c_nfs; /* iff FORMAT */
119 struct format *c_fmt; /* .. */
120 char *c_face; /* face designator */
121 int c_offset; /* left margin indentation */
122 int c_ovoff; /* overflow indentation */
123 int c_width; /* width of field */
124 int c_cwidth; /* width of component */
125 int c_length; /* length in lines */
127 struct mcomp *c_next;
130 static struct mcomp *msghd = NULL;
131 static struct mcomp *msgtl = NULL;
132 static struct mcomp *fmthd = NULL;
133 static struct mcomp *fmttl = NULL;
135 static struct mcomp global = {
136 NULL, NULL, "", NULL, NULL, 0, -1, 80, -1, 40, BELL, 0
139 static struct mcomp holder = {
140 NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, NOCOMPONENT, 0
148 static struct pair pairs[] = {
150 { "From", ADDRFMT|FACEDFLT },
151 { "Sender", ADDRFMT },
152 { "Reply-To", ADDRFMT },
156 { "Resent-Date", DATEFMT },
157 { "Resent-From", ADDRFMT },
158 { "Resent-Sender", ADDRFMT },
159 { "Resent-Reply-To", ADDRFMT },
160 { "Resent-To", ADDRFMT },
161 { "Resent-cc", ADDRFMT },
162 { "Resent-Bcc", ADDRFMT },
173 static struct triple triples[] = {
174 { "nocomponent", NOCOMPONENT, 0 },
175 { "uppercase", UPPERCASE, 0 },
176 { "nouppercase", 0, UPPERCASE },
177 { "center", CENTER, 0 },
178 { "nocenter", 0, CENTER },
179 { "clearscreen", CLEARSCR, 0 },
180 { "noclearscreen", 0, CLEARSCR },
181 { "noclear", 0, CLEARSCR },
182 { "leftadjust", LEFTADJUST, 0 },
183 { "noleftadjust", 0, LEFTADJUST },
184 { "compress", COMPRESS, 0 },
185 { "nocompress", 0, COMPRESS },
186 { "split", SPLIT, 0 },
187 { "nosplit", 0, SPLIT },
188 { "addrfield", ADDRFMT, DATEFMT },
190 { "nobell", 0, BELL },
191 { "datefield", DATEFMT, ADDRFMT },
192 { "newline", 0, NONEWLINE },
193 { "nonewline", NONEWLINE, 0 },
198 static int bellflg = 0;
199 static int clearflg = 0;
200 static int dashstuff = 0;
201 static int dobody = 1;
202 static int forwflg = 0;
203 static int forwall = 0;
205 static int sleepsw = NOTOK;
207 static char *digest = NULL;
208 static int volume = 0;
209 static int issue = 0;
211 static int exitstat = 0;
212 static int mhldebug = 0;
217 static int ontty = NOTTY;
230 static unsigned char *onelp;
234 static int num_ignores = 0;
235 static char *ignores[MAXARGS];
238 static jmp_buf mhlenv;
240 static char delim3[] = /* from forw.c */
241 "\n----------------------------------------------------------------------\n\n";
242 static char delim4[] = "\n------------------------------\n\n";
244 static FILE *(*mhl_action) () = (FILE *(*) ()) 0;
248 ** Redefine a couple of functions.
249 ** These are undefined later in the code.
251 #define adios mhladios
257 static void mhl_format(char *, int, int);
258 static int evalvar(struct mcomp *);
259 static int ptoi(char *, int *);
260 static int ptos(char *, char **);
261 static char *parse(void);
262 static void process(char *, char *, int, int);
263 static void mhlfile(FILE *, char *, int, int);
264 static int mcomp_flags(char *);
265 static char *mcomp_add(long, char *, char *);
266 static void mcomp_format(struct mcomp *, struct mcomp *);
267 static struct mcomp *add_queue(struct mcomp **, struct mcomp **,
268 char *, char *, int);
269 static void free_queue(struct mcomp **, struct mcomp **);
270 static void putcomp(struct mcomp *, struct mcomp *, int);
271 static char *oneline(char *, long);
272 static void putstr(char *);
273 static void putch(char);
274 static RETSIGTYPE intrser(int);
275 static RETSIGTYPE pipeser(int);
276 static RETSIGTYPE quitser(int);
277 static void face_format(struct mcomp *);
278 static int doface(struct mcomp *);
279 static void mhladios(char *, char *, ...);
280 static void mhldone(int);
281 static void m_popen(char *);
283 int mhl(int, char **);
284 int mhlsbr(int, char **, FILE *(*)());
287 void clear_screen(void); /* from termsbr.c */
288 int SOprintf(char *, ...); /* from termsbr.c */
289 int sc_width(void); /* from termsbr.c */
290 int sc_length(void); /* from termsbr.c */
291 int sc_hardcopy(void); /* from termsbr.c */
295 mhl(int argc, char **argv)
297 int length = 0, nomore = 0;
298 int i, width = 0, vecp = 0;
299 char *cp, *folder = NULL, *form = NULL;
300 char buf[BUFSIZ], *files[MAXARGS];
301 char **argp, **arguments;
303 invo_name = mhbasename(argv[0]);
305 /* read user profile/context */
308 arguments = getarguments(invo_name, argc, argv, 1);
311 if ((cp = getenv("MHLDEBUG")) && *cp)
314 if ((cp = getenv("FACEPROC")))
317 while ((cp = *argp++)) {
319 switch (smatch(++cp, mhlswitches)) {
321 ambigsw(cp, mhlswitches);
324 adios(NULL, "-%s unknown\n", cp);
327 snprintf(buf, sizeof(buf), "%s [switches] [files ...]", invo_name);
328 print_help(buf, mhlswitches, 1);
331 print_version(invo_name);
349 if (!(folder = *argp++) ||
351 adios(NULL, "missing argument to %s", argp[-2]);
354 if (!(form = *argp++) || *form == '-')
355 adios(NULL, "missing argument to %s", argp[-2]);
359 if (!(faceproc = *argp++) || *faceproc == '-')
360 adios(NULL, "missing argument to %s", argp[-2]);
366 if (!(cp = *argp++) || *cp == '-')
367 adios(NULL, "missing argument to %s", argp[-2]);
368 sleepsw = atoi(cp); /* ZERO ok! */
372 if (!(moreproc = *argp++) || *moreproc == '-')
373 adios(NULL, "missing argument to %s", argp[-2]);
380 if (!(cp = *argp++) || *cp == '-')
381 adios(NULL, "missing argument to %s", argp[-2]);
382 if ((length = atoi(cp)) < 1)
383 adios(NULL, "bad argument %s %s", argp[-2], cp);
386 if (!(cp = *argp++) || *cp == '-')
387 adios(NULL, "missing argument to %s", argp[-2]);
388 if ((width = atoi(cp)) < 1)
389 adios(NULL, "bad argument %s %s", argp[-2], cp);
393 if (!(digest = *argp++) ||
395 adios(NULL, "missing argument to %s", argp[-2]);
398 if (!(cp = *argp++) || *cp == '-')
399 adios(NULL, "missing argument to %s", argp[-2]);
400 if ((issue = atoi(cp)) < 1)
401 adios(NULL, "bad argument %s %s", argp[-2], cp);
404 if (!(cp = *argp++) || *cp == '-')
405 adios(NULL, "missing argument to %s", argp[-2]);
406 if ((volume = atoi(cp)) < 1)
407 adios(NULL, "bad argument %s %s", argp[-2], cp);
411 forwall++; /* fall */
414 clearflg = -1;/* XXX */
418 dashstuff = 1; /* trinary logic */
421 dashstuff = -1; /* trinary logic */
433 folder = getenv("mhfolder");
435 if (isatty(fileno(stdout))) {
436 if (!nomore && !sc_hardcopy() && moreproc && *moreproc != '\0') {
438 SIGNAL(SIGINT, SIG_IGN);
439 SIGNAL2(SIGQUIT, quitser);
441 SIGNAL2(SIGPIPE, pipeser);
445 SIGNAL(SIGINT, SIG_IGN);
446 SIGNAL2(SIGQUIT, quitser);
453 mhl_format(form ? form : mhlformat, length, width);
456 process(folder, NULL, 1, vecp = 1);
458 for (i = 0; i < vecp; i++)
459 process(folder, files[i], i + 1, vecp);
464 printf("%s", delim4);
466 snprintf(buf, sizeof(buf),
467 "End of %s Digest\n", digest);
469 snprintf(buf, sizeof(buf), "End of %s Digest [Volume %d Issue %d]\n", digest, volume, issue);
472 for (cp = buf + i; i > 1; i--)
478 printf("\n------- End of Forwarded Message%s\n\n",
479 vecp > 1 ? "s" : "");
483 if (ferror(stdout)) {
484 adios("output", "error writing");
487 if (clearflg > 0 && ontty == NOTTY)
498 mhl_format(char *file, int length, int width)
502 char *ap, buffer[BUFSIZ], name[NAMESZ];
506 static dev_t dev = 0;
507 static ino_t ino = 0;
508 static time_t mtime = 0;
511 if (stat(etcpath(file), &st) != NOTOK
512 && mtime == st.st_mtime
517 free_queue(&fmthd, &fmttl);
520 if ((fp = fopen(etcpath(file), "r")) == NULL)
521 adios(file, "unable to open format file");
523 if (fstat(fileno(fp), &st) != NOTOK) {
529 global.c_ovtxt = global.c_nfs = NULL;
533 if ((i = sc_width()) > 5)
535 global.c_cwidth = -1;
536 if ((i = sc_length()) > 5)
537 global.c_length = i - 1;
538 global.c_flags = BELL; /* BELL is default */
539 *(ip = ignores) = NULL;
541 while (vfgets(fp, &ap) == OK) {
546 if ((cp = strchr(bp, '\n')))
550 c1 = add_queue(&fmthd, &fmttl, NULL, bp + 1,
556 strncpy(name, parse(), sizeof(name));
562 ** Split this list of fields to ignore,
563 ** and copy it to the end of the current
566 if (!mh_strcasecmp(name, "ignores")) {
567 char **tmparray, **p;
570 /* split the fields */
571 tmparray = brkstring(getcpy(++parptr),
574 /* count number of fields split */
580 ** copy pointers to split fields
583 ip = copyip(tmparray, ip,
584 MAXARGS - num_ignores);
590 if (evalvar(&global))
591 adios(NULL, "format file syntax error: %s", bp);
598 c1 = add_queue(&fmthd, &fmttl, name, NULL,
600 while (*parptr == ':' || *parptr == ',') {
603 adios(NULL, "format file syntax error: %s", bp);
605 if (!c1->c_nfs && global.c_nfs) {
606 if (c1->c_flags & DATEFMT) {
607 if (global.c_flags & DATEFMT)
608 c1->c_nfs = getcpy(global.c_nfs);
611 if (c1->c_flags & ADDRFMT) {
612 if (global.c_flags & ADDRFMT)
613 c1->c_nfs = getcpy(global.c_nfs);
619 adios(NULL, "format file syntax error: %s",
626 for (c1 = fmthd; c1; c1 = c1->c_next) {
627 fprintf(stderr, "c1: name=\"%s\" text=\"%s\" ovtxt=\"%s\"\n", c1->c_name, c1->c_text, c1->c_ovtxt);
628 fprintf(stderr, "\tnfs=0x%x fmt=0x%x\n", (unsigned int)(unsigned long) c1->c_nfs, (unsigned int)(unsigned long) c1->c_fmt);
629 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);
630 fprintf (stderr, "\tflags=%s\n", snprintb(buffer, sizeof(buffer), (unsigned) c1->c_flags, LBITS));
636 global.c_flags |= CLEARSCR;
639 global.c_flags &= ~CLEARSCR;
642 switch (bellflg) { /* command line may override format file */
644 global.c_flags |= BELL;
647 global.c_flags &= ~BELL;
652 global.c_length = length;
654 global.c_width = width;
655 if (global.c_length < 5)
656 global.c_length = 10000;
657 if (global.c_width < 5)
658 global.c_width = 10000;
663 evalvar(struct mcomp *c1)
665 char *cp, name[NAMESZ];
670 strncpy(name, parse(), sizeof(name));
672 if (!mh_strcasecmp(name, "component")) {
673 if (ptos(name, &c1->c_text))
675 c1->c_flags &= ~NOCOMPONENT;
679 if (!mh_strcasecmp(name, "overflowtext"))
680 return ptos(name, &c1->c_ovtxt);
682 if (!mh_strcasecmp(name, "formatfield")) {
687 nfs = new_fs(NULL, NULL, cp);
688 c1->c_nfs = getcpy(nfs);
689 c1->c_flags |= FORMAT;
693 if (!mh_strcasecmp(name, "decode")) {
696 nfs = new_fs(NULL, NULL, "%(decode{text})");
697 c1->c_nfs = getcpy(nfs);
698 c1->c_flags |= FORMAT;
702 if (!mh_strcasecmp(name, "offset"))
703 return ptoi(name, &c1->c_offset);
704 if (!mh_strcasecmp(name, "overflowoffset"))
705 return ptoi(name, &c1->c_ovoff);
706 if (!mh_strcasecmp(name, "width"))
707 return ptoi(name, &c1->c_width);
708 if (!mh_strcasecmp(name, "compwidth"))
709 return ptoi(name, &c1->c_cwidth);
710 if (!mh_strcasecmp(name, "length"))
711 return ptoi(name, &c1->c_length);
712 if (!mh_strcasecmp(name, "nodashstuffing"))
713 return (dashstuff = -1);
715 for (ap = triples; ap->t_name; ap++)
716 if (!mh_strcasecmp(ap->t_name, name)) {
717 c1->c_flags |= ap->t_on;
718 c1->c_flags &= ~ap->t_off;
727 ptoi(char *name, int *i)
731 if (*parptr++ != '=' || !*(cp = parse())) {
732 advise(NULL, "missing argument to variable %s", name);
742 ptos(char *name, char **s)
746 if (*parptr++ != '=') {
747 advise(NULL, "missing argument to variable %s", name);
751 if (*parptr != '"') {
752 for (cp = parptr; *parptr && *parptr != ':' && *parptr != ',';
756 for (cp = ++parptr; *parptr && *parptr != '"'; parptr++)
757 if (*parptr == QUOTE)
764 if ((*parptr = c) == '"')
775 static char result[NAMESZ];
777 for (cp = result; *parptr && (cp - result < NAMESZ); parptr++) {
796 process(char *folder, char *fname, int ofilen, int ofilec)
802 switch (setjmp(env)) {
805 fp = mhl_action ? (*mhl_action) (fname) :
808 advise(fname, "unable to open");
816 cp = folder ? concat(folder, ":", fname, NULL) :
819 SIGNAL(SIGINT, intrser);
820 mhlfile(fp, cp, ofilen, ofilec); /* FALL THROUGH! */
824 SIGNAL(SIGINT, SIG_IGN);
825 if (mhl_action == NULL && fp != stdin)
830 holder.c_text = NULL;
832 free_queue(&msghd, &msgtl);
833 for (c1 = fmthd; c1; c1 = c1->c_next)
834 c1->c_flags &= ~HDROUTPUT;
841 mhlfile(FILE *fp, char *mname, int ofilen, int ofilec)
844 struct mcomp *c1, *c2, *c3;
845 char **ip, name[NAMESZ], buf[BUFSIZ];
849 printf("%s", ofilen == 1 ? delim3 : delim4);
853 printf(" Forwarded Message%s",
854 ofilec > 1 ? "s" : "");
856 printf(" Message %d", ofilen);
864 if ((global.c_flags & CLEARSCR))
869 printf(">>> %s\n\n", mname);
874 strncpy(buf, "\n", sizeof(buf));
876 if (SOprintf("Press <return> to list \"%s\"...", mname)) {
879 printf("Press <return> to list \"%s\"...", mname);
883 read(fileno(stdout), buf, sizeof(buf));
885 if (strchr(buf, '\n')) {
886 if ((global.c_flags & CLEARSCR))
900 printf(">>> %s\n\n", mname);
906 for (state = FLD;;) {
907 switch (state = m_getfld(state, name, buf, sizeof(buf), fp)) {
910 for (ip = ignores; *ip; ip++)
911 if (!mh_strcasecmp(name, *ip)) {
912 while (state == FLDPLUS)
913 state = m_getfld(state, name, buf, sizeof(buf), fp);
919 for (c2 = fmthd; c2; c2 = c2->c_next)
920 if (!mh_strcasecmp(c2->c_name, name))
923 if (!((c3 = c2 ? c2 : &global)->c_flags & SPLIT))
924 for (c1 = msghd; c1; c1 = c1->c_next)
925 if (!mh_strcasecmp(c1->c_name, c3->c_name)) {
926 c1->c_text = mcomp_add (c1->c_flags, buf, c1->c_text);
930 c1 = add_queue(&msghd, &msgtl, name, buf, 0);
931 while (state == FLDPLUS) {
932 state = m_getfld(state, name, buf, sizeof(buf), fp);
933 c1->c_text = add(buf, c1->c_text);
936 c1->c_flags |= EXTRA;
942 for (c1 = fmthd; c1; c1 = c1->c_next) {
943 if (c1->c_flags & CLEARTEXT) {
944 putcomp(c1, c1, ONECOMP);
947 if (!mh_strcasecmp(c1->c_name, "messagename")) {
948 holder.c_text = concat("(Message ", mname, ")\n",
950 putcomp(c1, &holder, ONECOMP);
952 holder.c_text = NULL;
955 if (!mh_strcasecmp(c1->c_name, "extras")) {
956 for (c2 = msghd; c2; c2 = c2->c_next)
957 if (c2->c_flags & EXTRA)
958 putcomp(c1, c2, TWOCOMP);
961 if (dobody && !mh_strcasecmp(c1->c_name, "body")) {
962 holder.c_text = mh_xmalloc(sizeof(buf));
963 strncpy(holder.c_text, buf, sizeof(buf));
964 while (state == BODY) {
965 putcomp(c1, &holder, BODYCOMP);
966 state = m_getfld(state, name, holder.c_text, sizeof(buf), fp);
969 holder.c_text = NULL;
972 for (c2 = msghd; c2; c2 = c2->c_next)
973 if (!mh_strcasecmp(c2->c_name, c1->c_name)) {
974 putcomp(c1, c2, ONECOMP);
975 if (!(c1->c_flags & SPLIT))
978 if (faceproc && c2 == NULL && (c1->c_flags & FACEFMT))
979 for (c2 = msghd; c2; c2 = c2->c_next)
980 if (c2->c_flags & FACEDFLT) {
981 if (c2->c_face == NULL)
983 if ((holder.c_text = c2->c_face)) {
984 putcomp(c1, &holder, ONECOMP);
985 holder.c_text = NULL;
994 advise(NULL, "format error in message %s",
1000 adios(NULL, "getfld() returned %d", state);
1007 mcomp_flags(char *name)
1011 for (ap = pairs; ap->p_name; ap++)
1012 if (!mh_strcasecmp(ap->p_name, name))
1013 return (ap->p_flags);
1020 mcomp_add(long flags, char *s1, char *s2)
1024 if (!(flags & ADDRFMT))
1027 if (s2 && *(dp = s2 + strlen(s2) - 1) == '\n')
1030 return add(s1, add(",\n", s2));
1037 struct pqpair *pq_next;
1042 mcomp_format(struct mcomp *c1, struct mcomp *c2)
1046 char buffer[BUFSIZ], error[BUFSIZ];
1048 struct pqpair *p, *q;
1050 struct mailname *mp;
1057 dat[3] = sizeof(buffer) - 1;
1059 fmt_compile(c1->c_nfs, &c1->c_fmt);
1061 if (!(c1->c_flags & ADDRFMT)) {
1062 FINDCOMP(cptr, "text");
1065 if ((cp = strrchr(ap, '\n'))) /* drop ending newline */
1069 fmt_scan(c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
1070 /* Don't need to append a newline, dctime() already did */
1071 c2->c_text = getcpy(buffer);
1077 (q = &pq)->pq_next = NULL;
1078 while ((cp = getname(ap))) {
1079 if ((p = (struct pqpair *)
1080 calloc((size_t) 1, sizeof(*p))) == NULL)
1081 adios(NULL, "unable to allocate pqpair memory");
1083 if ((mp = getm(cp, NULL, 0, AD_NAME, error)) == NULL) {
1084 p->pq_text = getcpy(cp);
1085 p->pq_error = getcpy(error);
1087 if ((c1->c_flags & FACEDFLT) && c2->c_face == NULL) {
1089 if ((h = mp->m_host) == NULL)
1091 if ((o = OfficialName(h)))
1093 c2->c_face = concat("address ", h, " ",
1096 p->pq_text = getcpy(mp->m_text);
1099 q = (q->pq_next = p);
1102 for (p = pq.pq_next; p; p = q) {
1103 FINDCOMP(cptr, "text");
1105 cptr->c_text = p->pq_text;
1106 FINDCOMP(cptr, "error");
1108 cptr->c_text = p->pq_error;
1110 fmt_scan(c1->c_fmt, buffer, sizeof(buffer) - 1, dat);
1113 c2->c_text = add(",\n", c2->c_text);
1114 if (*(cp = buffer + strlen(buffer) - 1) == '\n')
1116 c2->c_text = add(buffer, c2->c_text);
1126 c2->c_text = add("\n", c2->c_text);
1131 static struct mcomp *
1132 add_queue(struct mcomp **head, struct mcomp **tail, char *name,
1133 char *text, int flags)
1137 if ((c1 = (struct mcomp *) calloc((size_t) 1, sizeof(*c1))) == NULL)
1138 adios(NULL, "unable to allocate comp memory");
1140 c1->c_flags = flags & ~INIT;
1141 if ((c1->c_name = name ? getcpy(name) : NULL))
1142 c1->c_flags |= mcomp_flags(c1->c_name);
1143 c1->c_text = text ? getcpy(text) : NULL;
1146 c1->c_ovtxt = getcpy(global.c_ovtxt);
1147 c1->c_offset = global.c_offset;
1148 c1->c_ovoff = global. c_ovoff;
1149 c1->c_width = c1->c_length = 0;
1150 c1->c_cwidth = global.c_cwidth;
1151 c1->c_flags |= global.c_flags & GFLAGS;
1156 (*tail)->c_next = c1;
1164 free_queue(struct mcomp **head, struct mcomp **tail)
1166 struct mcomp *c1, *c2;
1168 for (c1 = *head; c1; c1 = c2) {
1179 free((char *) c1->c_fmt);
1185 *head = *tail = NULL;
1190 putcomp(struct mcomp *c1, struct mcomp *c2, int flag)
1197 llim = c1->c_length ? c1->c_length : -1;
1198 wid = c1->c_width ? c1->c_width : global.c_width;
1199 ovoff = (c1->c_ovoff >= 0 ? c1->c_ovoff : global.c_ovoff)
1201 if ((ovtxt = c1->c_ovtxt ? c1->c_ovtxt : global.c_ovtxt) == NULL)
1203 if (wid < ovoff + strlen(ovtxt) + 5)
1204 adios(NULL, "component: %s width(%d) too small for overflow(%d)", c1->c_name, wid, ovoff + strlen(ovtxt) + 5);
1207 if (c1->c_flags & CLEARTEXT) {
1213 if (c1->c_flags & FACEFMT)
1214 switch (doface(c2)) {
1215 case NOTOK: /* error */
1216 case OK: /* async faceproc */
1219 default: /* sync faceproc */
1223 if (c1->c_nfs && (c1->c_flags & (ADDRFMT | DATEFMT | FORMAT)))
1224 mcomp_format(c1, c2);
1226 if (c1->c_flags & CENTER) {
1227 count = (c1->c_width ? c1->c_width : global.c_width)
1228 - c1->c_offset - strlen(c2->c_text);
1229 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT))
1230 count -= strlen(c1->c_text ? c1->c_text : c1->c_name)
1232 lm = c1->c_offset + (count / 2);
1238 if (!(c1->c_flags & HDROUTPUT) && !(c1->c_flags & NOCOMPONENT)) {
1239 if (c1->c_flags & UPPERCASE) /* uppercase component also */
1240 for (cp = (c1->c_text ? c1->c_text : c1->c_name); *cp; cp++)
1243 putstr(c1->c_text ? c1->c_text : c1->c_name);
1244 if (flag != BODYCOMP) {
1246 if (!(c1->c_flags & SPLIT))
1247 c1->c_flags |= HDROUTPUT;
1250 if ((count = c1->c_cwidth -
1251 strlen(c1->c_text ? c1->c_text : c1->c_name) - 2) > 0)
1255 c1->c_flags |= HDROUTPUT; /* for BODYCOMP */
1258 if (flag == TWOCOMP && !(c2->c_flags & HDROUTPUT)
1259 && !(c2->c_flags & NOCOMPONENT)) {
1260 if (c1->c_flags & UPPERCASE)
1261 for (cp = c2->c_name; *cp; cp++)
1266 if (!(c1->c_flags & SPLIT))
1267 c2->c_flags |= HDROUTPUT;
1270 if ((count = c1->c_cwidth - strlen(c2->c_name) - 2) > 0)
1274 if (c1->c_flags & UPPERCASE)
1275 for (cp = c2->c_text; *cp; cp++)
1281 if (flag == TWOCOMP)
1282 count = (c1->c_cwidth >= 0) ?
1283 c1->c_cwidth : strlen(c2->c_name) + 2;
1285 count = (c1->c_cwidth >= 0) ?
1286 c1->c_cwidth : strlen(c1->c_text ?
1287 c1->c_text : c1->c_name) + 2;
1289 count += c1->c_offset;
1291 if ((cp = oneline(c2->c_text, c1->c_flags)))
1295 while ((cp = oneline(c2->c_text, c1->c_flags))) {
1297 if (flag == BODYCOMP && !(c1->c_flags & NOCOMPONENT))
1298 putstr(c1->c_text ? c1->c_text : c1->c_name);
1304 if (flag == BODYCOMP && term == '\n')
1305 c1->c_flags &= ~HDROUTPUT; /* Buffer ended on a newline */
1310 oneline(char *stuff, long flags)
1318 return (onelp = NULL);
1322 if (flags & COMPRESS) {
1323 for (spc = 1, cp = ret; *onelp; onelp++)
1324 if (isspace(*onelp)) {
1325 if (*onelp == '\n' &&
1327 (flags & ADDRFMT))) {
1342 while (*onelp && *onelp != '\n')
1344 if (*onelp == '\n') {
1348 if (flags & LEFTADJUST)
1349 while (*ret == ' ' || *ret == '\t')
1352 if (*onelp == 0 && term == '\n' && (flags & NONEWLINE))
1360 putstr(char *string)
1362 if (!column && lm > 0) {
1392 if (ontty != ISTTY || row != global.c_length)
1394 if (global.c_flags & BELL)
1398 read(fileno(stdout), buf, sizeof(buf));
1399 if (strchr(buf, '\n')) {
1400 if (global.c_flags & CLEARSCR)
1405 row = global.c_length / 3;
1424 ** If we are forwarding this message, and the first
1425 ** column contains a dash, then add a dash and a space.
1427 if (column == 0 && forwflg && (dashstuff >= 0) && ch == '-') {
1436 if (column >= wid) {
1440 putstr(ovtxt ? ovtxt : "");
1452 #ifndef RELIABLE_SIGNALS
1453 SIGNAL(SIGINT, intrser);
1465 #ifndef RELIABLE_SIGNALS
1466 SIGNAL(SIGPIPE, pipeser);
1476 #ifndef RELIABLE_SIGNALS
1477 SIGNAL(SIGQUIT, quitser);
1487 face_format(struct mcomp *c1)
1490 struct mailname *mp;
1492 if ((cp = c1->c_text) == NULL)
1495 if ((cp = getname(cp))) {
1496 if ((mp = getm(cp, NULL, 0, AD_NAME, NULL))) {
1498 if ((h = mp->m_host) == NULL)
1500 if ((o = OfficialName(h)))
1502 c1->c_face = concat("address ", h, " ", mp->m_mbox,
1506 while ((cp = getname(cp)))
1513 ** faceproc is two elements defining the image agent's location:
1518 #include <sys/socket.h>
1519 #include <netinet/in.h>
1522 #ifdef HAVE_ARPA_INET_H
1523 # include <arpa/inet.h>
1527 doface(struct mcomp *c1)
1530 static int inited = OK;
1531 static struct sockaddr_storage ss;
1532 static socklen_t socklen;
1533 static int socktype;
1534 static int protocol;
1538 char **ap = brkstring(cp = getcpy(faceproc), " ", "\n");
1539 struct addrinfo hints, *res;
1541 if (ap[0] == NULL || ap[1] == NULL) {
1544 return (inited = NOTOK);
1547 memset(&hints, 0, sizeof(hints));
1548 #ifdef AI_ADDRCONFIG
1549 hints.ai_flags = AI_ADDRCONFIG;
1551 hints.ai_family = PF_UNSPEC;
1552 hints.ai_socktype = SOCK_DGRAM;
1554 if (getaddrinfo(ap[0], ap[1], &hints, &res) != 0)
1557 memcpy(&ss, res->ai_addr, res->ai_addrlen);
1558 socklen = res->ai_addrlen;
1559 socktype = res->ai_socktype;
1560 protocol = res->ai_protocol;
1565 if (inited == NOTOK)
1568 if ((sd = socket(ss.ss_family, socktype, protocol)) == NOTOK)
1571 result = sendto(sd, c1->c_text, strlen(c1->c_text), 0,
1572 (struct sockaddr *) &ss, socklen);
1576 return (result != NOTOK ? OK : NOTOK);
1581 ** This version doesn't use sockets
1586 doface(struct mcomp *c1)
1590 int result, pdi[2], pdo[2];
1592 char buffer[BUFSIZ], *vec[10];
1594 if (pipe(pdi) == NOTOK)
1596 if (pipe(pdo) == NOTOK) {
1602 for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
1607 /* oops... fork error */
1612 SIGNAL(SIGINT, SIG_IGN);
1613 SIGNAL(SIGQUIT, SIG_IGN);
1614 if (pdi[0] != fileno(stdin)) {
1615 dup2(pdi[0], fileno(stdin));
1620 if (pdo[1] != fileno(stdout)) {
1621 dup2(pdo[1], fileno(stdout));
1625 vec[vecp++] = mhbasename(faceproc);
1627 if (sleepsw != NOTOK) {
1629 snprintf(buffer, sizeof(buffer), "%d",
1631 vec[vecp++] = buffer;
1634 execvp(faceproc, vec);
1635 fprintf(stderr, "unable to exec ");
1637 _exit(-1); /* NOTREACHED */
1640 /* parent process */
1642 i = strlen(c1->c_text);
1643 if (write(pdi[1], c1->c_text, i) != i)
1644 adios("pipe", "error writing to");
1645 free(c1->c_text), c1->c_text = NULL;
1651 while ((i=read(pdo[0], buffer, strlen(buffer))) > 0) {
1655 dp = mh_xrealloc(cp, (unsigned) (j = len + i));
1656 memcpy(dp + len, buffer, i);
1659 cp = mh_xmalloc((unsigned) i);
1660 memcpy(cp, buffer, i);
1664 for (bp = buffer + i - 1; bp >= buffer; bp--)
1665 if (!isascii(*bp) ||
1673 /* no waiting for child... */
1675 if (result == OK) { /* binary */
1676 if (write(1, cp, len) != len)
1677 adios("writing", "error");
1681 if ((c1->c_text = cp) == NULL)
1688 #endif /* COMMENTED OUT */
1692 mhlsbr(int argc, char **argv, FILE *(*action)())
1694 SIGNAL_HANDLER istat = NULL, pstat = NULL, qstat = NULL;
1698 switch (setjmp(mhlenv)) {
1701 sleepsw = 0; /* XXX */
1702 bellflg = clearflg = forwflg = forwall = exitstat = 0;
1705 mhl_action = action;
1708 ** If signal is at default action, then start ignoring
1709 ** it, else let it set to its current action.
1711 if ((istat = SIGNAL(SIGINT, SIG_IGN)) != SIG_DFL)
1712 SIGNAL(SIGINT, istat);
1713 if ((qstat = SIGNAL(SIGQUIT, SIG_IGN)) != SIG_DFL)
1714 SIGNAL(SIGQUIT, qstat);
1715 pstat = SIGNAL(SIGPIPE, pipeser);
1716 mhl(argc, argv); /* FALL THROUGH! */
1719 SIGNAL(SIGINT, istat);
1720 SIGNAL(SIGQUIT, qstat);
1721 SIGNAL(SIGPIPE, SIG_IGN); /*
1722 ** should probably change to block
1727 SIGNAL(SIGPIPE, pstat);
1729 if (holder.c_text) {
1730 free(holder.c_text);
1731 holder.c_text = NULL;
1733 free_queue(&msghd, &msgtl);
1734 for (c1 = fmthd; c1; c1 = c1->c_next)
1735 c1->c_flags &= ~HDROUTPUT;
1744 mhladios(char *what, char *fmt, ...)
1749 advertise(what, NULL, fmt, ap);
1760 longjmp(mhlenv, DONE);
1766 static int m_pid = NOTOK;
1767 static int sd = NOTOK;
1774 if (mhl_action && (sd = dup(fileno(stdout))) == NOTOK)
1775 adios("standard output", "unable to dup()");
1777 if (pipe(pd) == NOTOK)
1778 adios("pipe", "unable to");
1780 switch (m_pid = vfork()) {
1782 adios("fork", "unable to");
1785 SIGNAL(SIGINT, SIG_DFL);
1786 SIGNAL(SIGQUIT, SIG_DFL);
1789 if (pd[0] != fileno(stdin)) {
1790 dup2(pd[0], fileno(stdin));
1793 execlp(name, mhbasename(name), NULL);
1794 fprintf(stderr, "unable to exec ");
1800 if (pd[1] != fileno(stdout)) {
1801 dup2(pd[1], fileno(stdout));
1816 if (dup2(sd, fileno(stdout)) == NOTOK)
1817 adios("standard output", "unable to dup2()");