| 1 | /* tipout.c 4.6 82/01/06 */ |
| 2 | #include "tip.h" |
| 3 | /* |
| 4 | * tip |
| 5 | * |
| 6 | * lower fork of tip -- handles passive side |
| 7 | * reading from the remote host |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * TIPOUT wait state routine -- |
| 12 | * sent by TIPIN when it wants to posses the remote host |
| 13 | */ |
| 14 | intIOT() |
| 15 | { |
| 16 | signal(SIGIOT, SIG_IGN); |
| 17 | write(repdes[1],&ccc,1); |
| 18 | read(fildes[0], &ccc,1); |
| 19 | signal(SIGIOT, intIOT); |
| 20 | intflag = 1; |
| 21 | } |
| 22 | |
| 23 | /* |
| 24 | * Scripting command interpreter -- |
| 25 | * accepts script file name over the pipe and acts accordingly |
| 26 | */ |
| 27 | intEMT() |
| 28 | { |
| 29 | char c, line[256]; |
| 30 | register char *pline = line; |
| 31 | char reply; |
| 32 | |
| 33 | signal(SIGEMT, SIG_IGN); |
| 34 | read(fildes[0], &c, 1); |
| 35 | while (c != '\n') { |
| 36 | *pline++ = c; |
| 37 | read(fildes[0], &c, 1); |
| 38 | } |
| 39 | *pline = '\0'; |
| 40 | if (boolean(value(SCRIPT)) && fscript != NULL) |
| 41 | fclose(fscript); |
| 42 | if (pline == line) { |
| 43 | boolean(value(SCRIPT)) = FALSE; |
| 44 | reply = 'y'; |
| 45 | } else { |
| 46 | if ((fscript = fopen(line, "a")) == NULL) |
| 47 | reply = 'n'; |
| 48 | else { |
| 49 | reply = 'y'; |
| 50 | boolean(value(SCRIPT)) = TRUE; |
| 51 | } |
| 52 | } |
| 53 | write(repdes[1], &reply, 1); |
| 54 | signal(SIGEMT, intEMT); |
| 55 | intflag = 1; |
| 56 | } |
| 57 | |
| 58 | intTERM() |
| 59 | { |
| 60 | signal(SIGTERM, SIG_IGN); |
| 61 | if (boolean(value(SCRIPT)) && fscript != NULL) |
| 62 | fclose(fscript); |
| 63 | exit(0); |
| 64 | } |
| 65 | |
| 66 | intSYS() |
| 67 | { |
| 68 | signal(SIGSYS, intSYS); |
| 69 | boolean(value(BEAUTIFY)) = !boolean(value(BEAUTIFY)); |
| 70 | intflag = 1; |
| 71 | } |
| 72 | |
| 73 | /* |
| 74 | * ****TIPOUT TIPOUT**** |
| 75 | */ |
| 76 | tipout() |
| 77 | { |
| 78 | char buf[BUFSIZ]; |
| 79 | register char *cp; |
| 80 | register int cnt; |
| 81 | |
| 82 | signal(SIGINT, SIG_IGN); |
| 83 | signal(SIGQUIT, SIG_IGN); |
| 84 | signal(SIGEMT, intEMT); /* attention from TIPIN */ |
| 85 | signal(SIGTERM, intTERM); /* time to go signal */ |
| 86 | signal(SIGIOT, intIOT); /* scripting going on signal */ |
| 87 | signal(SIGHUP, intTERM); /* for dial-ups */ |
| 88 | signal(SIGSYS, intSYS); /* beautify toggle */ |
| 89 | |
| 90 | for (;;) { |
| 91 | do { |
| 92 | intflag = 0; |
| 93 | cnt = read(FD, buf, BUFSIZ); |
| 94 | } while (intflag); |
| 95 | if (cnt <= 0) |
| 96 | continue; |
| 97 | for (cp = buf; cp < buf + cnt; cp++) |
| 98 | *cp &= 0177; |
| 99 | write(1, buf, cnt); |
| 100 | if (boolean(value(SCRIPT)) && fscript != NULL) { |
| 101 | if (!boolean(value(BEAUTIFY))) { |
| 102 | fwrite(buf, 1, cnt, fscript); |
| 103 | continue; |
| 104 | } |
| 105 | for (cp = buf; cp < buf + cnt; cp++) { |
| 106 | if (*cp < ' ' && !any(*cp, value(EXCEPTIONS))) |
| 107 | continue; |
| 108 | putc(*cp, fscript); |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | } |