toybox: toys/pending/getty.c annotate

annotate toys/pending/getty.c @ 1276:d48bdc1cb017 draft

Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c.

author	Rob Landley <rob@landley.net>
date	Tue, 06 May 2014 06:31:28 -0500
parents	0ecfaa7022e8
children	b6226bf22826

rev	line source
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	1 /* getty.c - A getty program to get controlling terminal.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	2 *
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	3 * Copyright 2012 Sandeep Sharma <sandeep.jack2756@gamil.com>
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	4 * Copyright 2013 Kyungwan Han <asura321@gmail.com>
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	5 *
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	6 * No Standard.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	7
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	8 USE_GETTY(NEWTOY(getty, "<2t#<0H:I:l:f:iwnmLh",TOYFLAG_SBIN))
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	9
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	10 config GETTY
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	11 bool "getty"
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	12 default n
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	13 help
1265 0ecfaa7022e8 usage: is lower case (the help generator looks for that, might as well be consistent). Rob Landley <rob@landley.net> parents: 1253 diff changeset	14 usage: getty [OPTIONS] BAUD_RATE[,BAUD_RATE]... TTY [TERMTYPE]
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	15
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	16 -h Enable hardware RTS/CTS flow control
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	17 -L Set CLOCAL (ignore Carrier Detect state)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	18 -m Get baud rate from modem's CONNECT status message
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	19 -n Don't prompt for login name
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	20 -w Wait for CR or LF before sending /etc/issue
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	21 -i Don't display /etc/issue
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	22 -f ISSUE_FILE Display ISSUE_FILE instead of /etc/issue
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	23 -l LOGIN Invoke LOGIN instead of /bin/login
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	24 -t SEC Terminate after SEC if no login name is read
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	25 -I INITSTR Send INITSTR before anything else
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	26 -H HOST Log HOST into the utmp file as the hostname
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	27 */
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	28 #define FOR_getty
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	29 #include "toys.h"
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	30 #include <utmp.h>
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	31
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	32 GLOBALS(
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	33 char *issue_str;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	34 char *login_str;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	35 char *init_str;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	36 char *host_str;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	37 long timeout;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	38
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	39 char *tty_name;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	40 int speeds[20];
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	41 int sc;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	42 struct termios termios;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	43 char buff[128];
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	44 )
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	45
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	46 #define CTL(x) ((x) ^ 0100)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	47 #define HOSTNAME_SIZE 32
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	48
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	49 typedef void (*sighandler_t)(int);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	50 struct speed_mapper {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	51 long speed;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	52 speed_t code;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	53 };
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	54
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	55 struct speed_mapper speedtab[] = {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	56 {50, B50}, {75, B75}, {110, B110}, {134, B134}, {150, B150}, {200, B200},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	57 {300, B300}, {600, B600}, {1200, B1200}, {1800, B1800}, {2400, B2400},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	58 {4800, B4800}, {9600, B9600},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	59 #ifdef B19200
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	60 {19200, B19200},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	61 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	62 #ifdef B38400
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	63 {38400, B38400},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	64 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	65 #ifdef EXTA
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	66 {19200, EXTA},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	67 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	68 #ifdef EXTB
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	69 {38400, B38400},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	70 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	71 #ifdef B57600
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	72 {57600, B57600},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	73 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	74 #ifdef B115200
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	75 {115200, B115200},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	76 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	77 #ifdef B230400
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	78 {230400, B230400},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	79 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	80 {0, 0},
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	81 };
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	82
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	83 // Find speed from mapper array
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	84 static speed_t encode(char *s)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	85 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	86 struct speed_mapper *sp;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	87 long speed = atolx(s);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	88
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	89 if (!speed) return 0;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	90 for (sp = speedtab; sp->speed; sp++) if (sp->speed == speed) return sp->code;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	91 return (speed_t) -1;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	92 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	93
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	94 static void get_speed(char *sp)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	95 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	96 char *ptr;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	97
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	98 TT.sc = 0;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	99 while ((ptr = strsep(&sp, ","))) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	100 TT.speeds[TT.sc] = encode(ptr);
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	101 if (TT.speeds[TT.sc] < 0) perror_exit("bad speed");
43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	102 if (++TT.sc > 10) perror_exit("too many speeds, max is 10");
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	103 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	104 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	105
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	106 // Parse args and set TERM env. variable
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	107 static void parse_arguments(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	108 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	109 if (isdigit(**toys.optargs)) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	110 get_speed(*toys.optargs);
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	111 if (++toys.optargs) TT.tty_name = xmprintf("%s", toys.optargs);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	112 } else {
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	113 TT.tty_name = xmprintf("%s", *toys.optargs);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	114 if (++toys.optargs) get_speed(toys.optargs);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	115 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	116 if (++toys.optargs) setenv("TERM", toys.optargs, 1);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	117 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	118
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	119 // Get controlling terminal and redirect stdio
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	120 static void open_tty(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	121 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	122 if (strcmp(TT.tty_name, "-")) {
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	123 if (*(TT.tty_name) != '/') TT.tty_name = xmprintf("/dev/%s", TT.tty_name);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	124 // Sends SIGHUP to all foreground process if Session leader don't die,Ignore
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	125 sighandler_t sig = signal(SIGHUP, SIG_IGN);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	126 ioctl(0, TIOCNOTTY, 0); // Giveup if there is any controlling terminal
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	127 signal(SIGHUP, sig);
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	128 if ((setsid() < 0) && (getpid() != getsid(0)))
43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	129 perror_exit("setsid");
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	130 xclose(0);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	131 xopen(TT.tty_name, O_RDWR\|O_NDELAY);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	132 fcntl(0, F_SETFL, fcntl(0, F_GETFL) & ~O_NONBLOCK); // Block read
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	133 dup2(0, 1);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	134 dup2(0, 2);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	135 if (ioctl(0, TIOCSCTTY, 1) < 0) perror_msg("ioctl(TIOCSCTTY)");
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	136 if (!isatty(0)) perror_exit("/dev/%s: not a tty", TT.tty_name);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	137 chown(TT.tty_name, 0, 0); // change ownership, Hope login will change this
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	138 chmod(TT.tty_name, 0620);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	139 } else { // We already have opened TTY
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	140 if (setsid() < 0) perror_msg("setsid failed");
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	141 if ((fcntl(0, F_GETFL) & (O_RDWR\|O_RDONLY\|O_WRONLY)) != O_RDWR)
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	142 perror_exit("no read/write permission");
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	143 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	144 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	145
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	146 // Intialise terminal settings
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	147 static void termios_init(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	148 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	149 if (tcgetattr(STDIN_FILENO, &TT.termios) < 0) perror_exit("tcgetattr");
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	150 // Flush input and output queues, important for modems!
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	151 tcflush(STDIN_FILENO, TCIOFLUSH);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	152 TT.termios.c_cflag &= (0\|CSTOPB\|PARENB\|PARODD);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	153 #ifdef CRTSCTS
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	154 if (toys.optflags & FLAG_h) TT.termios.c_cflag \|= CRTSCTS;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	155 #endif
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	156 if (toys.optflags & FLAG_L) TT.termios.c_cflag \|= CLOCAL;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	157 TT.termios.c_cc[VTIME] = 0;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	158 TT.termios.c_cc[VMIN] = 1;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	159 TT.termios.c_oflag = OPOST\|ONLCR;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	160 TT.termios.c_cflag \|= CS8\|CREAD\|HUPCL\|CBAUDEX;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	161 // login will disable echo for passwd.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	162 TT.termios.c_lflag \|= ISIG\|ICANON\|ECHO\|ECHOE\|ECHOK\|ECHOKE;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	163 TT.termios.c_cc[VINTR] = CTL('C');
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	164 TT.termios.c_cc[VQUIT] = CTL('\\');
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	165 TT.termios.c_cc[VEOF] = CTL('D');
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	166 TT.termios.c_cc[VEOL] = '\n';
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	167 TT.termios.c_cc[VKILL] = CTL('U');
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	168 TT.termios.c_cc[VERASE] = CERASE;
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	169 TT.termios.c_iflag = ICRNL\|IXON\|IXOFF;
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	170 // set non-zero baud rate. Zero baud rate left it unchanged.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	171 if (TT.speeds[0] != B0) cfsetspeed(&TT.termios, TT.speeds[0]);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	172 if (tcsetattr(STDIN_FILENO, TCSANOW, &TT.termios) < 0)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	173 perror_exit("tcsetattr");
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	174 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	175
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	176 // Get the baud rate from modems CONNECT mesage, Its of form <junk><BAUD><Junk>
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	177 static void sense_baud(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	178 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	179 int vmin;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	180 ssize_t size;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	181 char *ptr;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	182 speed_t speed;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	183
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	184 vmin = TT.termios.c_cc[VMIN]; // Store old
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	185 TT.termios.c_cc[VMIN] = 0; // No block even queue is empty.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	186 if (tcsetattr(STDIN_FILENO, TCSANOW, &TT.termios) < 0)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	187 perror_exit("tcsetattr");
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	188 size = readall(STDIN_FILENO, TT.buff, sizeof(TT.buff)-1);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	189 if (size > 0) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	190 for (ptr = TT.buff; ptr < TT.buff+size; ptr++) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	191 if (isdigit(*ptr)) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	192 speed = encode(ptr);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	193 if (speed > 0) cfsetspeed(&TT.termios,speed);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	194 break;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	195 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	196 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	197 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	198 TT.termios.c_cc[VMIN] = vmin; //restore old value
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	199 if (tcsetattr(STDIN_FILENO, TCSANOW, &TT.termios) < 0)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	200 perror_exit("tcsetattr");
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	201 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	202
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	203 // Just prompt for login name
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	204 void print_prompt(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	205 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	206 char *hostname;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	207 struct utsname uts;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	208
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	209 uname(&uts);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	210 hostname = xstrdup(uts.nodename);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	211 fputs(hostname, stdout);
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	212 fputs(" login: ", stdout);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	213 fflush(NULL);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	214 free(hostname);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	215 hostname = NULL;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	216 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	217
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	218 // Print /etc/isuue with taking care of each escape sequence
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	219 void write_issue(char *file)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	220 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	221 char buff[20] = {0,};
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	222 struct utsname u;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	223 uname(&u);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	224 int size, fd = open(TT.issue_str, O_RDONLY);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	225
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	226 if (fd < 0) return;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	227 while ((size = readall(fd, buff, 1)) > 0) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	228 char *ch = buff;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	229
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	230 if (ch == '\\' \|\| ch == '%') {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	231 if (readall(fd, buff, 1) <= 0) perror_exit("readall");
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	232 if (*ch == 's') fputs(u.sysname, stdout);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	233 if (ch == 'n'\|\| ch == 'h') fputs(u.nodename, stdout);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	234 if (*ch == 'r') fputs(u.release, stdout);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	235 if (*ch == 'm') fputs(u.machine, stdout);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	236 if (*ch == 'l') fputs(TT.tty_name, stdout);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	237 } else xputc(*ch);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	238 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	239 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	240
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	241 // Read login name and print prompt and Issue file.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	242 static int read_login_name(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	243 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	244 tcflush(STDIN_FILENO, TCIFLUSH); // Flush pending speed switches
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	245 int i = 0;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	246
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	247 while (1) { // Option -i will overide -f
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	248 if (!(toys.optflags & FLAG_i)) write_issue(TT.issue_str);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	249 print_prompt();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	250 TT.buff[0] = getchar();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	251 if (!TT.buff[0] && TT.sc > 1) return 0; // Switch speed
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	252 if (TT.buff[0] == '\n') continue;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	253 if (TT.buff[0] != '\n')
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	254 if (!fgets(&TT.buff[1], HOSTNAME_SIZE-1, stdin)) _exit(1);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	255 while (i < HOSTNAME_SIZE-1 && isgraph(TT.buff[i])) i++;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	256 TT.buff[i] = 0;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	257 break;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	258 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	259 return 1;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	260 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	261
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	262 // Put hostname entry in utmp file
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	263 static void utmp_entry(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	264 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	265 struct utmp entry;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	266 struct utmp *utp_ptr;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	267 pid_t pid = getpid();
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	268 char *utmperr = "can't make utmp entry, host length greater than UT_HOSTSIZE(256)";
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	269
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	270 utmpname(_PATH_UTMP);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	271 setutent(); // Starts from start
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	272 while ((utp_ptr = getutent()))
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	273 if (utp_ptr->ut_pid == pid && utp_ptr->ut_type >= INIT_PROCESS) break;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	274 if (!utp_ptr) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	275 entry.ut_type = LOGIN_PROCESS;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	276 entry.ut_pid = getpid();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	277 xstrncpy(entry.ut_line, ttyname(STDIN_FILENO) +
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	278 strlen("/dev/"), UT_LINESIZE);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	279 time((time_t *)&entry.ut_time);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	280 xstrncpy(entry.ut_user, "LOGIN", UT_NAMESIZE);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	281 if (strlen(TT.host_str) > UT_HOSTSIZE)
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	282 perror_msg(utmperr);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	283 else xstrncpy(entry.ut_host, TT.host_str, UT_HOSTSIZE);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	284 setutent();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	285 pututline(&entry);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	286 return;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	287 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	288 xstrncpy(entry.ut_line, ttyname(STDIN_FILENO) + strlen("/dev/"), UT_LINESIZE);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	289 xstrncpy(entry.ut_user, "LOGIN", UT_NAMESIZE);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	290 if (strlen(TT.host_str) > UT_HOSTSIZE)
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	291 perror_msg(utmperr);
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	292 else xstrncpy(entry.ut_host, TT.host_str, UT_HOSTSIZE);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	293 time((time_t *)&entry.ut_time);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	294 setutent();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	295 pututline(&entry);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	296 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	297
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	298 void getty_main(void)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	299 {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	300 pid_t pid = getpid();
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	301 char *ptr[3] = {"/bin/login", NULL, NULL}; //2 NULLs so we can add username
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	302
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	303 if (!(toys.optflags & FLAG_f)) TT.issue_str = "/etc/issue";
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	304 if (toys.optflags & FLAG_l) ptr[0] = TT.login_str;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	305 parse_arguments();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	306 open_tty();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	307 termios_init();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	308 tcsetpgrp(STDIN_FILENO, pid);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	309 if (toys.optflags & FLAG_H) utmp_entry();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	310 if (toys.optflags & FLAG_I)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	311 writeall(STDOUT_FILENO,TT.init_str,strlen(TT.init_str));
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	312 if (toys.optflags & FLAG_m) sense_baud();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	313 if (toys.optflags & FLAG_t) alarm(TT.timeout);
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	314 if (toys.optflags & FLAG_w) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	315 char ch;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	316
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	317 while (readall(STDIN_FILENO, &ch, 1) != 1)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	318 if (ch == '\n' \|\| ch == '\r') break;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	319 }
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	320 if (!(toys.optflags & FLAG_n)) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	321 int index = 1; // 0th we already set.
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	322
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	323 while (1) {
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	324 int l = read_login_name();
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	325
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	326 if (l) break;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	327 index = index % TT.sc;
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	328 cfsetspeed(&TT.termios, TT.speeds[index]); // Select from multiple speeds
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	329 //Necessary after cfsetspeed
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	330 if (tcsetattr(STDIN_FILENO, TCSANOW, &TT.termios) < 0)
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	331 perror_exit("tcsetattr");
40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	332 }
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	333 ptr[1]=TT.buff; //put the username in the login command line
1244 40ed517e0cda A getty implementation from Sandeep Sharma and Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	334 }
1253 43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	335 xexec(ptr);
43c3d6350b38 getty: build fix, clean up messages, simplify code Isaac Dunham <ibid.ag@gmail.com> parents: 1244 diff changeset	336 }

Mercurial > hg > toybox

annotate toys/pending/getty.c @ 1276:d48bdc1cb017 draft