X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fmhl.c;h=98e58d01948b5eac108ff4fd517e0aaced35fbf0;hp=743f22bc395eb80a9e5fa789ad5fe2d175846f55;hb=dee26acad9bca6aec7dca5c428b07a386909081b;hpb=ced6090a330d3d83d0bce709f756aa3d7d65fea4 diff --git a/uip/mhl.c b/uip/mhl.c index 743f22b..98e58d0 100644 --- a/uip/mhl.c +++ b/uip/mhl.c @@ -7,17 +7,1482 @@ */ #include +#include +#include +#include +#include +#include +#include +#include -/* prototype from mhlsbr.c */ -int mhl (int, char **); +/* +** 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 FOLDSW 4 + { "folder +folder", 0 }, +#define FORMSW 5 + { "form formfile", 0 }, +#define PROGSW 6 + { "moreproc program", 0 }, +#define LENSW 7 + { "length lines", 0 }, +#define WIDTHSW 8 + { "width columns", 0 }, +#define SLEEPSW 9 + { "sleep seconds", 0 }, +#define VERSIONSW 10 + { "version", 0 }, +#define HELPSW 11 + { "help", 0 }, +#define FORW1SW 12 + { "forward", -7 }, +#define FORW2SW 13 + { "forwall", -7 }, +#define DGSTSW 14 + { "digest list", -6 }, +#define VOLUMSW 15 + { "volume number", -6 }, +#define ISSUESW 16 + { "issue number", -5 }, +#define NBODYSW 17 + { "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 SPLIT 0x004000 /* split headers (don't concatenate) */ +#define NONEWLINE 0x008000 /* don't write trailing newline */ +#define LBITS "\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017SPLIT\020NONEWLINE" +#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; /* .. */ + 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 }, + { "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 }, + { 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 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 +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 unsigned 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[] = +"\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 mhladios(char *, char *, ...); +static void mhldone(int); +static void m_popen(char *); + +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 -main (int argc, char **argv) +main(int argc, char **argv) { + int length = 0; + int i, width = 0, vecp = 0; + char *cp, *folder = NULL, *form = NULL; + char buf[BUFSIZ], *files[MAXARGS]; + char **argp, **arguments; + char *progsw = NULL; + #ifdef LOCALE setlocale(LC_ALL, ""); #endif - done (mhl (argc, argv)); + + invo_name = mhbasename(argv[0]); + + /* read user profile/context */ + context_read(); + + arguments = getarguments(invo_name, argc, argv, 1); + argp = arguments; + + if ((cp = getenv("MHLDEBUG")) && *cp) + mhldebug++; + + 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 SLEEPSW: + if (!(cp = *argp++) || *cp == '-') + adios(NULL, "missing argument to %s", + argp[-2]); + sleepsw = atoi(cp); /* ZERO ok! */ + continue; + + case PROGSW: + if (!(progsw = *argp++) || *progsw == '-') + adios(NULL, "missing argument to %s", + argp[-2]); + 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 NBODYSW: + dobody = 0; + continue; + } + } + files[vecp++] = cp; + } + + if (!folder) + folder = getenv("mhfolder"); + + if (isatty(fileno(stdout))) { + if (mhl_action) { + SIGNAL(SIGINT, SIG_IGN); + SIGNAL2(SIGQUIT, quitser); + } + SIGNAL2(SIGPIPE, pipeser); + m_popen(progsw ? progsw : moreproc); + ontty = PITTY; + } 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 (!mh_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) && + (global.c_flags & DATEFMT)) { + c1->c_nfs = getcpy(global.c_nfs); + } else if ((c1->c_flags & ADDRFMT) && + (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)(unsigned long) c1->c_nfs, (unsigned int)(unsigned long) 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 (!mh_strcasecmp(name, "component")) { + if (ptos(name, &c1->c_text)) + return 1; + c1->c_flags &= ~NOCOMPONENT; + return 0; + } + + if (!mh_strcasecmp(name, "overflowtext")) + return ptos(name, &c1->c_ovtxt); + + if (!mh_strcasecmp(name, "formatfield")) { + char *nfs; + + if (ptos(name, &cp)) + return 1; + cp = concat("=", cp, NULL); + nfs = new_fs(cp, NULL); + free(cp); + c1->c_nfs = getcpy(nfs); + c1->c_flags |= FORMAT; + return 0; + } + + if (!mh_strcasecmp(name, "decode")) { + char *nfs; + + nfs = new_fs("=%(decode{text})", NULL); + c1->c_nfs = getcpy(nfs); + c1->c_flags |= FORMAT; + return 0; + } + + if (!mh_strcasecmp(name, "offset")) + return ptoi(name, &c1->c_offset); + if (!mh_strcasecmp(name, "overflowoffset")) + return ptoi(name, &c1->c_ovoff); + if (!mh_strcasecmp(name, "width")) + return ptoi(name, &c1->c_width); + if (!mh_strcasecmp(name, "compwidth")) + return ptoi(name, &c1->c_cwidth); + if (!mh_strcasecmp(name, "length")) + return ptoi(name, &c1->c_length); + + for (ap = triples; ap->t_name; ap++) + if (!mh_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 = NULL; + FILE *fp = NULL; + 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; + + 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 (!mh_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 (!mh_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 (!mh_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 (!mh_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 (!mh_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 && !mh_strcasecmp(c1->c_name, "body")) { + holder.c_text = mh_xmalloc(sizeof(buf)); + 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 (!mh_strcasecmp(c2->c_name, + c1->c_name)) { + putcomp(c1, c2, ONECOMP); + if (!(c1->c_flags & SPLIT)) + 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 (!mh_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 { + 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); + free((char *) c1); + } + + *head = *tail = NULL; +} + + +static void +putcomp(struct mcomp *c1, struct mcomp *c2, int flag) +{ + int count, cchdr; + unsigned 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_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"); + } + if (flag == BODYCOMP && term == '\n') + c1->c_flags &= ~HDROUTPUT; /* Buffer ended on a newline */ +} + + +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 (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 && 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); +} + + +#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 = fork()) { + 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, mhbasename(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; +}