From 42a7ef152cd8cbda5bea4106d4ae11ad154d48774158cf141b45a5c74e912244 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Thu, 11 Nov 2010 09:43:25 +0000 Subject: [PATCH] add agetty -s option OBS-URL: https://build.opensuse.org/package/show/Base:System/util-linux?expand=0&rev=52 --- util-linux-agetty-s-option.patch | 188 +++++++++++++++++++++++++++++++ util-linux.changes | 5 + util-linux.spec | 2 + 3 files changed, 195 insertions(+) create mode 100644 util-linux-agetty-s-option.patch diff --git a/util-linux-agetty-s-option.patch b/util-linux-agetty-s-option.patch new file mode 100644 index 0000000..f036a27 --- /dev/null +++ b/util-linux-agetty-s-option.patch @@ -0,0 +1,188 @@ +git diff v2.18..HEAD login-utils/agetty.c login-utils/agetty.8 + +agetty: fix -s option (baud rate setup) +agetty: add -c to reuse cflags +agetty: add -s to reuse existing baud rate + +diff --git a/login-utils/agetty.8 b/login-utils/agetty.8 +index 8761374..084086f 100644 +--- a/login-utils/agetty.8 ++++ b/login-utils/agetty.8 +@@ -3,7 +3,7 @@ + agetty \- alternative Linux getty + + .SH SYNOPSIS +-.BR "agetty " [\-8ihLmnUw] ++.BR "agetty " [\-c8ihLmnsUw] + .RI "[-f " issue_file ] + .RI "[-l " login_program ] + .RI "[-I " init ] +@@ -12,16 +12,6 @@ agetty \- alternative Linux getty + .I port + .I baud_rate,... + .RI [ term ] +-.br +-.BR "agetty " [\-8ihLmnw] +-.RI "[-f " issue_file ] +-.RI "[-l " login_program ] +-.RI "[-I " init ] +-.RI "[-t " timeout ] +-.RI "[-H " login_host ] +-.I baud_rate,... +-.I port +-.RI [ term ] + + .SH DESCRIPTION + .ad +@@ -92,6 +82,10 @@ whatever init(8) may have set, and is inherited by login and the shell. + .fi + .ad + .TP ++\-c ++Don't reset terminal cflags (control modes). See \fItermios(3)\fP for more ++details. ++.TP + \-8 + Assume that the tty is 8-bit clean, hence disable parity detection. + .TP +@@ -163,6 +157,10 @@ Force the line to be a local line with no need for carrier detect. This can + be useful when you have a locally attached terminal where the serial line + does not set the carrier detect signal. + .TP ++\-s ++Try to keep the existing baud rate. The baud rates from ++the command line are used when agetty receives a BREAK character. ++.TP + \-U + Turn on support for detecting an uppercase only terminal. This setting will + detect a login name containing only capitals as indicating an uppercase +diff --git a/login-utils/agetty.c b/login-utils/agetty.c +index 39a1fd3..9d463ce 100644 +--- a/login-utils/agetty.c ++++ b/login-utils/agetty.c +@@ -133,6 +133,8 @@ struct options { + #define F_CUSTISSUE (1<<6) /* give alternative issue file */ + #define F_NOPROMPT (1<<7) /* don't ask for login name! */ + #define F_LCUC (1<<8) /* Support for *LCUC stty modes */ ++#define F_KEEPSPEED (1<<9) /* Follow baud rate from kernel */ ++#define F_KEEPCFLAGS (1<<10) /* Reuse c_cflags setup from kernel */ + + /* Storage for things detected while the login name was read. */ + +@@ -203,7 +205,7 @@ void parse_args P_((int argc, char **argv, struct options *op)); + void parse_speeds P_((struct options *op, char *arg)); + void update_utmp P_((char *line)); + void open_tty P_((char *tty, struct termios *tp, int local)); +-void termio_init P_((struct termios *tp, int speed, struct options *op)); ++void termio_init P_((struct termios *tp, struct options *op)); + void auto_baud P_((struct termios *tp)); + void do_prompt P_((struct options *op, struct termios *tp)); + void next_speed P_((struct termios *tp, struct options *op)); +@@ -297,7 +299,7 @@ main(argc, argv) + tcsetpgrp(0, getpid()); + /* Initialize the termios settings (raw mode, eight-bit, blocking i/o). */ + debug("calling termio_init\n"); +- termio_init(&termios, options.speeds[FIRST_SPEED], &options); ++ termio_init(&termios, &options); + + /* write the modem init string and DON'T flush the buffers */ + if (options.flags & F_INITSTRING) { +@@ -373,8 +375,11 @@ parse_args(argc, argv, op) + extern int optind; /* getopt */ + int c; + +- while (isascii(c = getopt(argc, argv, "8I:LH:f:hil:mt:wUn"))) { ++ while (isascii(c = getopt(argc, argv, "8cI:LH:f:hil:mst:wUn"))) { + switch (c) { ++ case 'c': ++ op->flags |= F_KEEPCFLAGS; ++ break; + case '8': + op->eightbits = 1; + break; +@@ -443,6 +448,9 @@ parse_args(argc, argv, op) + case 'n': + op->flags |= F_NOPROMPT; + break; ++ case 's': ++ op->flags |= F_KEEPSPEED; /* keep kernel defined speed */ ++ break; + case 't': /* time out */ + if ((op->timeout = atoi(optarg)) <= 0) + error(_("bad timeout value: %s"), optarg); +@@ -691,11 +699,17 @@ char gbuf[1024]; + char area[1024]; + + void +-termio_init(tp, speed, op) ++termio_init(tp, op) + struct termios *tp; +- int speed; + struct options *op; + { ++ speed_t ispeed, ospeed; ++ ++ if (op->flags & F_KEEPSPEED) { ++ ispeed = cfgetispeed(tp); /* save the original setting */ ++ ospeed = cfgetospeed(tp); ++ } else ++ ospeed = ispeed = op->speeds[FIRST_SPEED]; + + /* + * Initial termios settings: 8-bit characters, raw-mode, blocking i/o. +@@ -706,14 +720,21 @@ termio_init(tp, speed, op) + /* flush input and output queues, important for modems! */ + (void) tcflush(0, TCIOFLUSH); + +- tp->c_cflag = CS8 | HUPCL | CREAD; +- cfsetispeed(tp, speed); +- cfsetospeed(tp, speed); ++ tp->c_iflag = tp->c_lflag = tp->c_oflag = 0; ++ ++ if (!(op->flags & F_KEEPCFLAGS)) ++ tp->c_cflag = CS8 | HUPCL | CREAD | (tp->c_cflag & CLOCAL); ++ ++ /* Note that the speed is stored in the c_cflag termios field, so we have ++ * set the speed always when the cflag se reseted. ++ */ ++ cfsetispeed(tp, ispeed); ++ cfsetospeed(tp, ospeed); ++ + if (op->flags & F_LOCAL) { + tp->c_cflag |= CLOCAL; + } + +- tp->c_iflag = tp->c_lflag = tp->c_oflag = 0; + #ifdef HAVE_STRUCT_TERMIOS_C_LINE + tp->c_line = 0; + #endif +@@ -973,9 +994,18 @@ next_speed(tp, op) + struct termios *tp; + struct options *op; + { +- static int baud_index = FIRST_SPEED;/* current speed index */ ++ static int baud_index = -1; ++ ++ if (baud_index == -1) ++ /* ++ * if the F_KEEPSPEED flags is set then the FIRST_SPEED is not ++ * tested yet (see termio_init()). ++ */ ++ baud_index = (op->flags & F_KEEPSPEED) ? FIRST_SPEED : ++ 1 % op->numspeed; ++ else ++ baud_index = (baud_index + 1) % op->numspeed; + +- baud_index = (baud_index + 1) % op->numspeed; + cfsetispeed(tp, op->speeds[baud_index]); + cfsetospeed(tp, op->speeds[baud_index]); + (void) tcsetattr(0, TCSANOW, tp); +@@ -1203,7 +1233,7 @@ bcode(s) + void + usage() + { +- fprintf(stderr, _("Usage: %s [-8hiLmUw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] baud_rate,... line [termtype]\nor\t[-hiLmw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] line baud_rate,... [termtype]\n"), progname); ++ fprintf(stderr, _("Usage: %s [-8hiLmsUw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] baud_rate,... line [termtype]\nor\t[-hiLmw] [-l login_program] [-t timeout] [-I initstring] [-H login_host] line baud_rate,... [termtype]\n"), progname); + exit(1); + } + diff --git a/util-linux.changes b/util-linux.changes index ad48b20..9ae7449 100644 --- a/util-linux.changes +++ b/util-linux.changes @@ -1,3 +1,8 @@ +------------------------------------------------------------------- +Thu Nov 11 10:36:35 CET 2010 - kay.sievers@novell.com + +- add 'agetty' -s option needed for systemd's serial console setup + ------------------------------------------------------------------- Tue Sep 28 11:42:46 UTC 2010 - aj@suse.de diff --git a/util-linux.spec b/util-linux.spec index c013c02..f986ef6 100644 --- a/util-linux.spec +++ b/util-linux.spec @@ -79,6 +79,7 @@ Patch1: util-linux-2.12r-fdisk_remove_bogus_warnings.patch Patch3: util-linux-2.17.1-mount_losetup_crypto.patch Patch4: util-linux-2.17.1-losetup-honor-documented-c-option Patch7: util-linux-swapon-btrfs-limitations +Patch8: util-linux-agetty-s-option.patch ## ## adjtimex ## @@ -185,6 +186,7 @@ Files to develop applications using the libmount library. %patch3 -p1 %patch4 -p1 %patch7 -p1 +%patch8 -p1 # cd adjtimex-* # adjtimex patches belongs here