diff options
Diffstat (limited to 'libexec/getty')
| -rw-r--r-- | libexec/getty/Makefile | 10 | ||||
| -rw-r--r-- | libexec/getty/extern.h | 56 | ||||
| -rw-r--r-- | libexec/getty/getty.8 | 127 | ||||
| -rw-r--r-- | libexec/getty/gettytab.5 | 324 | ||||
| -rw-r--r-- | libexec/getty/gettytab.h | 145 | ||||
| -rw-r--r-- | libexec/getty/init.c | 121 | ||||
| -rw-r--r-- | libexec/getty/main.c | 549 | ||||
| -rw-r--r-- | libexec/getty/pathnames.h | 39 | ||||
| -rw-r--r-- | libexec/getty/subr.c | 531 | ||||
| -rw-r--r-- | libexec/getty/ttys.5 | 139 |
10 files changed, 2041 insertions, 0 deletions
diff --git a/libexec/getty/Makefile b/libexec/getty/Makefile new file mode 100644 index 0000000..7f2eabe --- /dev/null +++ b/libexec/getty/Makefile @@ -0,0 +1,10 @@ +# @(#)Makefile 8.1 (Berkeley) 6/4/93 + +PROG= getty +SRCS= main.c init.c subr.c ttydefaults.c +DPADD= ${LIBUTIL} +LDADD= -lutil +MAN5= gettytab.0 ttys.0 +MAN8= getty.0 + +.include <bsd.prog.mk> diff --git a/libexec/getty/extern.h b/libexec/getty/extern.h new file mode 100644 index 0000000..644f93f --- /dev/null +++ b/libexec/getty/extern.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)extern.h 8.1 (Berkeley) 6/4/93 + */ + +struct delayval; + +int adelay __P((int, struct delayval *)); +char *autobaud __P((void)); +int delaybits __P((void)); +void edithost __P((char *)); +void gendefaults __P((void)); +int getent __P((char *, char *)); +int getflag __P((char *)); +long getnum __P((char *)); +char *getstr __P((char *, char **)); +void gettable __P((char *, char *)); +void makeenv __P((char *[])); +char *portselector __P((void)); +void set_ttydefaults __P((int)); +void setchars __P((void)); +void setdefaults __P((void)); +long setflags __P((int)); +int speed __P((int)); + +int login_tty __P((int)); /* From libutil. */ diff --git a/libexec/getty/getty.8 b/libexec/getty/getty.8 new file mode 100644 index 0000000..ffd5060 --- /dev/null +++ b/libexec/getty/getty.8 @@ -0,0 +1,127 @@ +.\" Copyright (c) 1980, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)getty.8 8.1 (Berkeley) 6/4/93 +.\" +.Dd June 4, 1993 +.Dt GETTY 8 +.Os BSD 4 +.Sh NAME +.Nm getty +.Nd set terminal mode +.Sh SYNOPSIS +.Nm getty +.Oo +.Ar type +.Op Ar tty +.Oc +.Sh DESCRIPTION +The +.Nm getty +program +is called by +.Xr init 8 +to open and initialize the tty line, read a login name, and invoke +.Xr login 1 . +.Pp +The argument +.Ar tty +is the special device file in +.Pa /dev +to open for the terminal (for example, ``ttyh0''). +If there is no argument or the argument is +.Ql Fl , +the tty line is assumed to be open as file descriptor 0. +.Pp +The +.Ar type +argument can be used to make +.Nm getty +treat the terminal line specially. +This argument is used as an index into the +.Nm gettytab 5 +database, to determine the characteristics of the line. +If there is no argument, or there is no such table, the +.Em default +table is used. +If there is no +.Pa /etc/gettytab +a set of system defaults is used. +If indicated by the table located, +.Nm getty +will clear the terminal screen, +print a banner heading, +and prompt for a login name. +Usually either the banner or the login prompt will include +the system hostname. +.Pp +Most of the default actions of +.Nm getty +can be circumvented, or modified, by a suitable +.Nm gettytab +table. +.Pp +The +.Nm getty +program +can be set to timeout after some interval, +which will cause dial up lines to hang up +if the login name is not entered reasonably quickly. +.Sh DIAGNOSTICS +.Bl -diag +.It "ttyxx: No such device or address." +.It "ttyxx: No such file or address." +A terminal which is turned +on in the +.Xr ttys +file cannot be opened, likely because the requisite +lines are either not configured into the system, the associated device +was not attached during boot-time system configuration, +or the special file in +.Pa /dev +does not exist. +.El +.Sh FILES +.Bl -tag -width /etc/gettytab -compact +.It Pa /etc/gettytab +.El +.Sh SEE ALSO +.Xr gettytab 5 , +.Xr init 8 , +.Xr login 1 , +.Xr ioctl 2 , +.Xr tty 4 , +.Xr ttys 5 +.Sh HISTORY +A +.Nm getty +program appeared in +.At v6 . diff --git a/libexec/getty/gettytab.5 b/libexec/getty/gettytab.5 new file mode 100644 index 0000000..a9bbd53 --- /dev/null +++ b/libexec/getty/gettytab.5 @@ -0,0 +1,324 @@ +.\" Copyright (c) 1983, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)gettytab.5 8.4 (Berkeley) 4/19/94 +.\" +.Dd April 19, 1994 +.Dt GETTYTAB 5 +.Os BSD 4.2 +.Sh NAME +.Nm gettytab +.Nd terminal configuration data base +.Sh SYNOPSIS +.Nm gettytab +.Sh DESCRIPTION +The +.Nm gettytab +file +is a simplified version of the +.Xr termcap 5 +data base +used to describe terminal lines. +The initial terminal login process +.Xr getty 8 +accesses the +.Nm gettytab +file each time it starts, allowing simpler +reconfiguration of terminal characteristics. +Each entry in the data base +is used to describe one class of terminals. +.Pp +There is a default terminal class, +.Em default , +that is used to set global defaults for all other classes. +(That is, the +.Em default +entry is read, then the entry for the class required +is used to override particular settings.) +.Sh CAPABILITIES +Refer to +.Xr termcap 5 +for a description of the file layout. +The +.Em default +column below lists defaults obtained if there is +no entry in the table obtained, nor one in the special +.Em default +table. +.Bl -column Namexx /usr/bin/login Default +.It Sy Name Type Default Description +.It "ap bool false terminal uses any parity" +.It "bd num 0 backspace delay" +.It "bk str 0377 alternate end of line character (input break)" +.It "cb bool false use crt backspace mode" +.It "cd num 0 carriage-return delay" +.It "ce bool false use crt erase algorithm" +.It "ck bool false use crt kill algorithm" +.It "cl str" Ta Dv NULL Ta +.No "screen clear sequence" +.It "co bool false console - add" +.Ql \en +after login prompt +.It "ds str" Ta So Li ^Y Sc Ta +.No "delayed suspend character" +.It "dx bool false set" +.Dv DECCTLQ +.It "ec bool false leave echo" +.Tn OFF +.It "ep bool false terminal uses even parity" +.It "er str" Ta So Li ^? Sc Ta +.No "erase character" +.It "et str" Ta So Li ^D Sc Ta +.No "end of text" +.Pq Dv EOF +character +.It "ev str" Ta Dv NULL Ta +.No "initial environment" +.It "f0 num unused tty mode flags to write messages" +.It "f1 num unused tty mode flags to read login name" +.It "f2 num unused tty mode flags to leave terminal as" +.It "fd num 0 form-feed (vertical motion) delay" +.It "fl str" Ta So Li ^O Sc Ta +.No "output flush character" +.It "hc bool false do" +.Tn NOT +hangup line on last close +.It "he str" Ta Dv NULL Ta +.No "hostname editing string" +.It "hn str hostname hostname" +.It "ht bool false terminal has real tabs" +.It "ig bool false ignore garbage characters in login name" +.It "im str" Ta Dv NULL Ta +.No "initial (banner) message" +.It "in str" Ta So Li ^C Sc Ta +.No "interrupt character" +.It "is num unused input speed" +.It "kl str" Ta So Li ^U Sc Ta +.No "kill character" +.It "lc bool false terminal has lower case" +.It "lm str login: login prompt" +.It "ln str" Ta So Li ^V Sc Ta +.No "``literal next'' character" +.It "lo str" Ta Pa /usr/bin/login Ta +.No "program to exec when name obtained" +.It "nd num 0 newline (line-feed) delay" +.It "nl bool false terminal has (or might have) a newline character" +.It "np bool false terminal uses no parity (i.e. 8-bit characters)" +.It "nx str default next table (for auto speed selection)" +.It "op bool false terminal uses odd parity" +.It "os num unused output speed" +.It "pc str" Ta So Li \e0 Sc Ta +.No "pad character" +.It "pe bool false use printer (hard copy) erase algorithm" +.It "pf num 0 delay" +between first prompt and following flush (seconds) +.It "ps bool false line connected to a" +.Tn MICOM +port selector +.It "qu str" Ta So Li \&^\e Sc Ta +.No "quit character" +.It "rp str" Ta So Li ^R Sc Ta +.No "line retype character" +.It "rw bool false do" +.Tn NOT +use raw for input, use cbreak +.It "sp num unused line speed (input and output)" +.It "su str" Ta So Li ^Z Sc Ta +.No "suspend character" +.It "tc str none table continuation" +.It "to num 0 timeout (seconds)" +.It "tt str" Ta Dv NULL Ta +.No "terminal type (for environment)" +.It "ub bool false do unbuffered output (of prompts etc)" +.It "uc bool false terminal is known upper case only" +.It "we str" Ta So Li ^W Sc Ta +.No "word erase character" +.It "xc bool false do +.Tn NOT +echo control chars as +.Ql ^X +.It "xf str" Ta So Li ^S Sc Ta Dv XOFF +(stop output) character +.It "xn str" Ta So Li ^Q Sc Ta Dv XON +(start output) character +.El +.Pp +If no line speed is specified, speed will not be altered +from that which prevails when getty is entered. +Specifying an input or output speed will override +line speed for stated direction only. +.Pp +Terminal modes to be used for the output of the message, +for input of the login name, +and to leave the terminal set as upon completion, +are derived from the boolean flags specified. +If the derivation should prove inadequate, +any (or all) of these three may be overridden +with one of the +.Em \&f0 , +.Em \&f1 , +or +.Em \&f2 +numeric specifications, which can be used to specify +(usually in octal, with a leading '0') +the exact values of the flags. +Local (new tty) flags are set in the top 16 bits +of this (32 bit) value. +.Pp +Should +.Xr getty +receive a null character +(presumed to indicate a line break) +it will restart using the table indicated by the +.Em nx +entry. If there is none, it will re-use its original table. +.Pp +Delays are specified in milliseconds, the nearest possible +delay available in the tty driver will be used. +Should greater certainty be desired, delays +with values 0, 1, 2, and 3 are interpreted as +choosing that particular delay algorithm from the driver. +.Pp +The +.Em \&cl +screen clear string may be preceded by a (decimal) number +of milliseconds of delay required (a la termcap). +This delay is simulated by repeated use of the pad character +.Em \&pc . +.Pp +The initial message, and login message, +.Em \&im +and +.Em \&lm +may include the character sequence +.Em \&%h +or +.Em \&%t +to obtain +the hostname or tty name respectively. +.Pf ( Em %% +obtains a single '%' character.) +The hostname is normally obtained from the system, +but may be set by the +.Em \&hn +table entry. +In either case it may be edited with +.Em \&he . +The +.Em \&he +string is a sequence of characters, each character that +is neither '@' nor '#' is copied into the final hostname. +A '@' in the +.Em \&he +string, causes one character from the real hostname to +be copied to the final hostname. +A '#' in the +.Em \&he +string, causes the next character of the real hostname +to be skipped. +Surplus '@' and '#' characters are ignored. +.Pp +When getty execs the login process, given +in the +.Em \&lo +string (usually +.Dq Pa /usr/bin/login ) , +it will have set +the environment to include the terminal type, as indicated +by the +.Em \&tt +string (if it exists). +The +.Em \&ev +string, can be used to enter additional data into +the environment. +It is a list of comma separated strings, each of which +will presumably be of the form +.Em name=value . +.Pp +If a non-zero timeout is specified, with +.Em \&to , +then getty will exit within the indicated +number of seconds, either having +received a login name and passed control +to +.Xr login , +or having received an alarm signal, and exited. +This may be useful to hangup dial in lines. +.Pp +Output from +.Xr getty +is even parity unless +.Em \&op +is specified. +The +.Em \&op +string +may be specified with +.Em \&ap +to allow any parity on input, but generate odd parity output. +Note: this only applies while getty is being run, +terminal driver limitations prevent a more complete +implementation. +.Xr Getty +does not check parity of input characters in +.Dv RAW +mode. +.Sh SEE ALSO +.Xr login 1 , +.Xr termcap 5 , +.Xr getty 8 . +.Sh BUGS +The special characters (erase, kill, etc.) are reset to system defaults +by +.Xr login 1 . +In +.Em all +cases, '#' or '^H' typed in a login name will be treated as +an erase character, and '@' will be treated as a kill character. +.Pp +The delay stuff is a real crock. +Apart form its general lack of flexibility, some +of the delay algorithms are not implemented. +The terminal driver should support sane delay settings. +.Pp +The +.Em \&he +capability is stupid. +.Pp +The +.Xr termcap +format is horrid, something more rational should +have been chosen. +.Sh HISTORY +The +.Nm gettytab +file format appeared in 4.2BSD. diff --git a/libexec/getty/gettytab.h b/libexec/getty/gettytab.h new file mode 100644 index 0000000..fb2b14f --- /dev/null +++ b/libexec/getty/gettytab.h @@ -0,0 +1,145 @@ +/* + * Copyright (c) 1983, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)gettytab.h 8.2 (Berkeley) 3/30/94 + */ + +/* + * Getty description definitions. + */ +struct gettystrs { + char *field; /* name to lookup in gettytab */ + char *defalt; /* value we find by looking in defaults */ + char *value; /* value that we find there */ +}; + +struct gettynums { + char *field; /* name to lookup */ + long defalt; /* number we find in defaults */ + long value; /* number we find there */ + int set; /* we actually got this one */ +}; + +struct gettyflags { + char *field; /* name to lookup */ + char invrt; /* name existing in gettytab --> false */ + char defalt; /* true/false in defaults */ + char value; /* true/false flag */ + char set; /* we found it */ +}; + +/* + * String values. + */ +#define NX gettystrs[0].value +#define CL gettystrs[1].value +#define IM gettystrs[2].value +#define LM gettystrs[3].value +#define ER gettystrs[4].value +#define KL gettystrs[5].value +#define ET gettystrs[6].value +#define PC gettystrs[7].value +#define TT gettystrs[8].value +#define EV gettystrs[9].value +#define LO gettystrs[10].value +#define HN gettystrs[11].value +#define HE gettystrs[12].value +#define IN gettystrs[13].value +#define QU gettystrs[14].value +#define XN gettystrs[15].value +#define XF gettystrs[16].value +#define BK gettystrs[17].value +#define SU gettystrs[18].value +#define DS gettystrs[19].value +#define RP gettystrs[20].value +#define FL gettystrs[21].value +#define WE gettystrs[22].value +#define LN gettystrs[23].value + +/* + * Numeric definitions. + */ +#define IS gettynums[0].value +#define OS gettynums[1].value +#define SP gettynums[2].value +#define ND gettynums[3].value +#define CD gettynums[4].value +#define TD gettynums[5].value +#define FD gettynums[6].value +#define BD gettynums[7].value +#define TO gettynums[8].value +#define F0 gettynums[9].value +#define F0set gettynums[9].set +#define F1 gettynums[10].value +#define F1set gettynums[10].set +#define F2 gettynums[11].value +#define F2set gettynums[11].set +#define PF gettynums[12].value + +/* + * Boolean values. + */ +#define HT gettyflags[0].value +#define NL gettyflags[1].value +#define EP gettyflags[2].value +#define EPset gettyflags[2].set +#define OP gettyflags[3].value +#define OPset gettyflags[3].set +#define AP gettyflags[4].value +#define APset gettyflags[4].set +#define EC gettyflags[5].value +#define CO gettyflags[6].value +#define CB gettyflags[7].value +#define CK gettyflags[8].value +#define CE gettyflags[9].value +#define PE gettyflags[10].value +#define RW gettyflags[11].value +#define XC gettyflags[12].value +#define LC gettyflags[13].value +#define UC gettyflags[14].value +#define IG gettyflags[15].value +#define PS gettyflags[16].value +#define HC gettyflags[17].value +#define UB gettyflags[18].value +#define AB gettyflags[19].value +#define DX gettyflags[20].value +#define NP gettyflags[21].value + +int getent __P((char *, char *)); +long getnum __P((char *)); +int getflag __P((char *)); +char *getstr __P((char *, char **)); + +extern struct gettyflags gettyflags[]; +extern struct gettynums gettynums[]; +extern struct gettystrs gettystrs[]; +extern int hopcount; diff --git a/libexec/getty/init.c b/libexec/getty/init.c new file mode 100644 index 0000000..835acd7 --- /dev/null +++ b/libexec/getty/init.c @@ -0,0 +1,121 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)init.c 8.1 (Berkeley) 6/4/93"; +#endif /* not lint */ + +/* + * Getty table initializations. + * + * Melbourne getty. + */ +#include <sgtty.h> +#include "gettytab.h" +#include "pathnames.h" + +extern struct sgttyb tmode; +extern struct tchars tc; +extern struct ltchars ltc; +extern char hostname[]; + +struct gettystrs gettystrs[] = { + { "nx" }, /* next table */ + { "cl" }, /* screen clear characters */ + { "im" }, /* initial message */ + { "lm", "login: " }, /* login message */ + { "er", &tmode.sg_erase }, /* erase character */ + { "kl", &tmode.sg_kill }, /* kill character */ + { "et", &tc.t_eofc }, /* eof chatacter (eot) */ + { "pc", "" }, /* pad character */ + { "tt" }, /* terminal type */ + { "ev" }, /* enviroment */ + { "lo", _PATH_LOGIN }, /* login program */ + { "hn", hostname }, /* host name */ + { "he" }, /* host name edit */ + { "in", &tc.t_intrc }, /* interrupt char */ + { "qu", &tc.t_quitc }, /* quit char */ + { "xn", &tc.t_startc }, /* XON (start) char */ + { "xf", &tc.t_stopc }, /* XOFF (stop) char */ + { "bk", &tc.t_brkc }, /* brk char (alt \n) */ + { "su", <c.t_suspc }, /* suspend char */ + { "ds", <c.t_dsuspc }, /* delayed suspend */ + { "rp", <c.t_rprntc }, /* reprint char */ + { "fl", <c.t_flushc }, /* flush output */ + { "we", <c.t_werasc }, /* word erase */ + { "ln", <c.t_lnextc }, /* literal next */ + { 0 } +}; + +struct gettynums gettynums[] = { + { "is" }, /* input speed */ + { "os" }, /* output speed */ + { "sp" }, /* both speeds */ + { "nd" }, /* newline delay */ + { "cd" }, /* carriage-return delay */ + { "td" }, /* tab delay */ + { "fd" }, /* form-feed delay */ + { "bd" }, /* backspace delay */ + { "to" }, /* timeout */ + { "f0" }, /* output flags */ + { "f1" }, /* input flags */ + { "f2" }, /* user mode flags */ + { "pf" }, /* delay before flush at 1st prompt */ + { 0 } +}; + +struct gettyflags gettyflags[] = { + { "ht", 0 }, /* has tabs */ + { "nl", 1 }, /* has newline char */ + { "ep", 0 }, /* even parity */ + { "op", 0 }, /* odd parity */ + { "ap", 0 }, /* any parity */ + { "ec", 1 }, /* no echo */ + { "co", 0 }, /* console special */ + { "cb", 0 }, /* crt backspace */ + { "ck", 0 }, /* crt kill */ + { "ce", 0 }, /* crt erase */ + { "pe", 0 }, /* printer erase */ + { "rw", 1 }, /* don't use raw */ + { "xc", 1 }, /* don't ^X ctl chars */ + { "lc", 0 }, /* terminal las lower case */ + { "uc", 0 }, /* terminal has no lower case */ + { "ig", 0 }, /* ignore garbage */ + { "ps", 0 }, /* do port selector speed select */ + { "hc", 1 }, /* don't set hangup on close */ + { "ub", 0 }, /* unbuffered output */ + { "ab", 0 }, /* auto-baud detect with '\r' */ + { "dx", 0 }, /* set decctlq */ + { "np", 0 }, /* no parity at all (8bit chars) */ + { 0 } +}; diff --git a/libexec/getty/main.c b/libexec/getty/main.c new file mode 100644 index 0000000..c27ddf4 --- /dev/null +++ b/libexec/getty/main.c @@ -0,0 +1,549 @@ +/*- + * Copyright (c) 1980, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1980, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/20/93"; +#endif /* not lint */ + +#define USE_OLD_TTY + +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/resource.h> + +#include <ctype.h> +#include <ctype.h> +#include <fcntl.h> +#include <setjmp.h> +#include <sgtty.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <time.h> +#include <unistd.h> + +#include "gettytab.h" +#include "pathnames.h" +#include "extern.h" + +/* + * Set the amount of running time that getty should accumulate + * before deciding that something is wrong and exit. + */ +#define GETTY_TIMEOUT 60 /* seconds */ + +struct sgttyb tmode = { + 0, 0, CERASE, CKILL, 0 +}; +struct tchars tc = { + CINTR, CQUIT, CSTART, + CSTOP, CEOF, CBRK, +}; +struct ltchars ltc = { + CSUSP, CDSUSP, CRPRNT, + CFLUSH, CWERASE, CLNEXT +}; + +int crmod, digit, lower, upper; + +char hostname[MAXHOSTNAMELEN]; +char name[16]; +char dev[] = _PATH_DEV; +char ttyn[32]; +char *portselector(); +char *ttyname(); + +#define OBUFSIZ 128 +#define TABBUFSIZ 512 + +char defent[TABBUFSIZ]; +char tabent[TABBUFSIZ]; + +char *env[128]; + +char partab[] = { + 0001,0201,0201,0001,0201,0001,0001,0201, + 0202,0004,0003,0205,0005,0206,0201,0001, + 0201,0001,0001,0201,0001,0201,0201,0001, + 0001,0201,0201,0001,0201,0001,0001,0201, + 0200,0000,0000,0200,0000,0200,0200,0000, + 0000,0200,0200,0000,0200,0000,0000,0200, + 0000,0200,0200,0000,0200,0000,0000,0200, + 0200,0000,0000,0200,0000,0200,0200,0000, + 0200,0000,0000,0200,0000,0200,0200,0000, + 0000,0200,0200,0000,0200,0000,0000,0200, + 0000,0200,0200,0000,0200,0000,0000,0200, + 0200,0000,0000,0200,0000,0200,0200,0000, + 0000,0200,0200,0000,0200,0000,0000,0200, + 0200,0000,0000,0200,0000,0200,0200,0000, + 0200,0000,0000,0200,0000,0200,0200,0000, + 0000,0200,0200,0000,0200,0000,0000,0201 +}; + +#define ERASE tmode.sg_erase +#define KILL tmode.sg_kill +#define EOT tc.t_eofc + +jmp_buf timeout; + +static void +dingdong() +{ + + alarm(0); + signal(SIGALRM, SIG_DFL); + longjmp(timeout, 1); +} + +jmp_buf intrupt; + +static void +interrupt() +{ + + signal(SIGINT, interrupt); + longjmp(intrupt, 1); +} + +/* + * Action to take when getty is running too long. + */ +void +timeoverrun(signo) + int signo; +{ + + syslog(LOG_ERR, "getty exiting due to excessive running time\n"); + exit(1); +} + +static int getname __P((void)); +static void oflush __P((void)); +static void prompt __P((void)); +static void putchr __P((int)); +static void putf __P((char *)); +static void putpad __P((char *)); +static void puts __P((char *)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + extern char **environ; + char *tname; + long allflags; + int repcnt = 0; + struct rlimit limit; + + signal(SIGINT, SIG_IGN); +/* + signal(SIGQUIT, SIG_DFL); +*/ + openlog("getty", LOG_ODELAY|LOG_CONS, LOG_AUTH); + gethostname(hostname, sizeof(hostname)); + if (hostname[0] == '\0') + strcpy(hostname, "Amnesiac"); + + /* + * Limit running time to deal with broken or dead lines. + */ + (void)signal(SIGXCPU, timeoverrun); + limit.rlim_max = RLIM_INFINITY; + limit.rlim_cur = GETTY_TIMEOUT; + (void)setrlimit(RLIMIT_CPU, &limit); + + /* + * The following is a work around for vhangup interactions + * which cause great problems getting window systems started. + * If the tty line is "-", we do the old style getty presuming + * that the file descriptors are already set up for us. + * J. Gettys - MIT Project Athena. + */ + if (argc <= 2 || strcmp(argv[2], "-") == 0) + strcpy(ttyn, ttyname(0)); + else { + int i; + + strcpy(ttyn, dev); + strncat(ttyn, argv[2], sizeof(ttyn)-sizeof(dev)); + if (strcmp(argv[0], "+") != 0) { + chown(ttyn, 0, 0); + chmod(ttyn, 0600); + revoke(ttyn); + /* + * Delay the open so DTR stays down long enough to be detected. + */ + sleep(2); + while ((i = open(ttyn, O_RDWR)) == -1) { + if (repcnt % 10 == 0) { + syslog(LOG_ERR, "%s: %m", ttyn); + closelog(); + } + repcnt++; + sleep(60); + } + login_tty(i); + } + } + + gettable("default", defent); + gendefaults(); + tname = "default"; + if (argc > 1) + tname = argv[1]; + for (;;) { + int off; + + gettable(tname, tabent); + if (OPset || EPset || APset) + APset++, OPset++, EPset++; + setdefaults(); + off = 0; + ioctl(0, TIOCFLUSH, &off); /* clear out the crap */ + ioctl(0, FIONBIO, &off); /* turn off non-blocking mode */ + ioctl(0, FIOASYNC, &off); /* ditto for async mode */ + if (IS) + tmode.sg_ispeed = speed(IS); + else if (SP) + tmode.sg_ispeed = speed(SP); + if (OS) + tmode.sg_ospeed = speed(OS); + else if (SP) + tmode.sg_ospeed = speed(SP); + tmode.sg_flags = setflags(0); + ioctl(0, TIOCSETP, &tmode); + setchars(); + ioctl(0, TIOCSETC, &tc); + if (HC) + ioctl(0, TIOCHPCL, 0); + if (AB) { + extern char *autobaud(); + + tname = autobaud(); + continue; + } + if (PS) { + tname = portselector(); + continue; + } + if (CL && *CL) + putpad(CL); + edithost(HE); + if (IM && *IM) + putf(IM); + if (setjmp(timeout)) { + tmode.sg_ispeed = tmode.sg_ospeed = 0; + ioctl(0, TIOCSETP, &tmode); + exit(1); + } + if (TO) { + signal(SIGALRM, dingdong); + alarm(TO); + } + if (getname()) { + register int i; + + oflush(); + alarm(0); + signal(SIGALRM, SIG_DFL); + if (name[0] == '-') { + puts("user names may not start with '-'."); + continue; + } + if (!(upper || lower || digit)) + continue; + allflags = setflags(2); + tmode.sg_flags = allflags & 0xffff; + allflags >>= 16; + if (crmod || NL) + tmode.sg_flags |= CRMOD; + if (upper || UC) + tmode.sg_flags |= LCASE; + if (lower || LC) + tmode.sg_flags &= ~LCASE; + ioctl(0, TIOCSETP, &tmode); + ioctl(0, TIOCSLTC, <c); + ioctl(0, TIOCLSET, &allflags); + signal(SIGINT, SIG_DFL); + for (i = 0; environ[i] != (char *)0; i++) + env[i] = environ[i]; + makeenv(&env[i]); + + /* + * this is what login was doing anyway. + * soon we rewrite getty completely. + */ + set_ttydefaults(0); + limit.rlim_max = RLIM_INFINITY; + limit.rlim_cur = RLIM_INFINITY; + (void)setrlimit(RLIMIT_CPU, &limit); + execle(LO, "login", "-p", name, (char *) 0, env); + syslog(LOG_ERR, "%s: %m", LO); + exit(1); + } + alarm(0); + signal(SIGALRM, SIG_DFL); + signal(SIGINT, SIG_IGN); + if (NX && *NX) + tname = NX; + } +} + +static int +getname() +{ + register int c; + register char *np; + char cs; + + /* + * Interrupt may happen if we use CBREAK mode + */ + if (setjmp(intrupt)) { + signal(SIGINT, SIG_IGN); + return (0); + } + signal(SIGINT, interrupt); + tmode.sg_flags = setflags(0); + ioctl(0, TIOCSETP, &tmode); + tmode.sg_flags = setflags(1); + prompt(); + if (PF > 0) { + oflush(); + sleep(PF); + PF = 0; + } + ioctl(0, TIOCSETP, &tmode); + crmod = digit = lower = upper = 0; + np = name; + for (;;) { + oflush(); + if (read(STDIN_FILENO, &cs, 1) <= 0) + exit(0); + if ((c = cs&0177) == 0) + return (0); + if (c == EOT) + exit(1); + if (c == '\r' || c == '\n' || np >= &name[sizeof name]) { + putf("\r\n"); + break; + } + if (islower(c)) + lower = 1; + else if (isupper(c)) + upper = 1; + else if (c == ERASE || c == '#' || c == '\b') { + if (np > name) { + np--; + if (tmode.sg_ospeed >= B1200) + puts("\b \b"); + else + putchr(cs); + } + continue; + } else if (c == KILL || c == '@') { + putchr(cs); + putchr('\r'); + if (tmode.sg_ospeed < B1200) + putchr('\n'); + /* this is the way they do it down under ... */ + else if (np > name) + puts(" \r"); + prompt(); + np = name; + continue; + } else if (isdigit(c)) + digit++; + if (IG && (c <= ' ' || c > 0176)) + continue; + *np++ = c; + putchr(cs); + } + signal(SIGINT, SIG_IGN); + *np = 0; + if (c == '\r') + crmod = 1; + if (upper && !lower && !LC || UC) + for (np = name; *np; np++) + if (isupper(*np)) + *np = tolower(*np); + return (1); +} + +static +short tmspc10[] = { + 0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5, 15 +}; + +static void +putpad(s) + register char *s; +{ + register pad = 0; + register mspc10; + + if (isdigit(*s)) { + while (isdigit(*s)) { + pad *= 10; + pad += *s++ - '0'; + } + pad *= 10; + if (*s == '.' && isdigit(s[1])) { + pad += s[1] - '0'; + s += 2; + } + } + + puts(s); + /* + * If no delay needed, or output speed is + * not comprehensible, then don't try to delay. + */ + if (pad == 0) + return; + if (tmode.sg_ospeed <= 0 || + tmode.sg_ospeed >= (sizeof tmspc10 / sizeof tmspc10[0])) + return; + + /* + * Round up by a half a character frame, and then do the delay. + * Too bad there are no user program accessible programmed delays. + * Transmitting pad characters slows many terminals down and also + * loads the system. + */ + mspc10 = tmspc10[tmode.sg_ospeed]; + pad += mspc10 / 2; + for (pad /= mspc10; pad > 0; pad--) + putchr(*PC); +} + +static void +puts(s) + register char *s; +{ + while (*s) + putchr(*s++); +} + +char outbuf[OBUFSIZ]; +int obufcnt = 0; + +static void +putchr(cc) + int cc; +{ + char c; + + c = cc; + if (!NP) { + c |= partab[c&0177] & 0200; + if (OP) + c ^= 0200; + } + if (!UB) { + outbuf[obufcnt++] = c; + if (obufcnt >= OBUFSIZ) + oflush(); + } else + write(STDOUT_FILENO, &c, 1); +} + +static void +oflush() +{ + if (obufcnt) + write(STDOUT_FILENO, outbuf, obufcnt); + obufcnt = 0; +} + +static void +prompt() +{ + + putf(LM); + if (CO) + putchr('\n'); +} + +static void +putf(cp) + register char *cp; +{ + extern char editedhost[]; + time_t t; + char *slash, db[100]; + + while (*cp) { + if (*cp != '%') { + putchr(*cp++); + continue; + } + switch (*++cp) { + + case 't': + slash = strrchr(ttyn, '/'); + if (slash == (char *) 0) + puts(ttyn); + else + puts(&slash[1]); + break; + + case 'h': + puts(editedhost); + break; + + case 'd': { + static char fmt[] = "%l:% %P on %A, %d %B %Y"; + + fmt[4] = 'M'; /* I *hate* SCCS... */ + (void)time(&t); + (void)strftime(db, sizeof(db), fmt, localtime(&t)); + puts(db); + break; + } + + case '%': + putchr('%'); + break; + } + cp++; + } +} diff --git a/libexec/getty/pathnames.h b/libexec/getty/pathnames.h new file mode 100644 index 0000000..714a9cc --- /dev/null +++ b/libexec/getty/pathnames.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pathnames.h 8.1 (Berkeley) 6/4/93 + */ + +#include <paths.h> + +#define _PATH_GETTYTAB "/etc/gettytab" +#define _PATH_LOGIN "/usr/bin/login" diff --git a/libexec/getty/subr.c b/libexec/getty/subr.c new file mode 100644 index 0000000..4a2abb3 --- /dev/null +++ b/libexec/getty/subr.c @@ -0,0 +1,531 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/4/93"; +#endif /* not lint */ + +/* + * Melbourne getty. + */ +#define USE_OLD_TTY +#include <stdlib.h> +#include <sgtty.h> +#include <string.h> +#include <unistd.h> + +#include "gettytab.h" +#include "extern.h" +#include "pathnames.h" + +extern struct sgttyb tmode; +extern struct tchars tc; +extern struct ltchars ltc; + +/* + * Get a table entry. + */ +void +gettable(name, buf) + char *name, *buf; +{ + register struct gettystrs *sp; + register struct gettynums *np; + register struct gettyflags *fp; + long n; + char *dba[2]; + dba[0] = _PATH_GETTYTAB; + dba[1] = 0; + + if (cgetent(&buf, dba, name) != 0) + return; + + for (sp = gettystrs; sp->field; sp++) + cgetstr(buf, sp->field, &sp->value); + for (np = gettynums; np->field; np++) { + if (cgetnum(buf, np->field, &n) == -1) + np->set = 0; + else { + np->set = 1; + np->value = n; + } + } + for (fp = gettyflags; fp->field; fp++) { + if (cgetcap(buf, fp->field, ':') == NULL) + fp->set = 0; + else { + fp->set = 1; + fp->value = 1 ^ fp->invrt; + } + } +#ifdef DEBUG + printf("name=\"%s\", buf=\"%s\"\n", name, buf); + for (sp = gettystrs; sp->field; sp++) + printf("cgetstr: %s=%s\n", sp->field, sp->value); + for (np = gettynums; np->field; np++) + printf("cgetnum: %s=%d\n", np->field, np->value); + for (fp = gettyflags; fp->field; fp++) + printf("cgetflags: %s='%c' set='%c'\n", fp->field, + fp->value + '0', fp->set + '0'); + exit(1); +#endif /* DEBUG */ +} + +void +gendefaults() +{ + register struct gettystrs *sp; + register struct gettynums *np; + register struct gettyflags *fp; + + for (sp = gettystrs; sp->field; sp++) + if (sp->value) + sp->defalt = sp->value; + for (np = gettynums; np->field; np++) + if (np->set) + np->defalt = np->value; + for (fp = gettyflags; fp->field; fp++) + if (fp->set) + fp->defalt = fp->value; + else + fp->defalt = fp->invrt; +} + +void +setdefaults() +{ + register struct gettystrs *sp; + register struct gettynums *np; + register struct gettyflags *fp; + + for (sp = gettystrs; sp->field; sp++) + if (!sp->value) + sp->value = sp->defalt; + for (np = gettynums; np->field; np++) + if (!np->set) + np->value = np->defalt; + for (fp = gettyflags; fp->field; fp++) + if (!fp->set) + fp->value = fp->defalt; +} + +static char ** +charnames[] = { + &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK, + &SU, &DS, &RP, &FL, &WE, &LN, 0 +}; + +static char * +charvars[] = { + &tmode.sg_erase, &tmode.sg_kill, &tc.t_intrc, + &tc.t_quitc, &tc.t_startc, &tc.t_stopc, + &tc.t_eofc, &tc.t_brkc, <c.t_suspc, + <c.t_dsuspc, <c.t_rprntc, <c.t_flushc, + <c.t_werasc, <c.t_lnextc, 0 +}; + +void +setchars() +{ + register int i; + register char *p; + + for (i = 0; charnames[i]; i++) { + p = *charnames[i]; + if (p && *p) + *charvars[i] = *p; + else + *charvars[i] = '\377'; + } +} + +long +setflags(n) + int n; +{ + register long f; + + switch (n) { + case 0: + if (F0set) + return(F0); + break; + case 1: + if (F1set) + return(F1); + break; + default: + if (F2set) + return(F2); + break; + } + + f = 0; + + if (AP) + f |= ANYP; + else if (OP) + f |= ODDP; + else if (EP) + f |= EVENP; + + if (UC) + f |= LCASE; + + if (NL) + f |= CRMOD; + + f |= delaybits(); + + if (n == 1) { /* read mode flags */ + if (RW) + f |= RAW; + else + f |= CBREAK; + return (f); + } + + if (!HT) + f |= XTABS; + + if (n == 0) + return (f); + + if (CB) + f |= CRTBS; + + if (CE) + f |= CRTERA; + + if (CK) + f |= CRTKIL; + + if (PE) + f |= PRTERA; + + if (EC) + f |= ECHO; + + if (XC) + f |= CTLECH; + + if (DX) + f |= DECCTQ; + + return (f); +} + +struct delayval { + unsigned delay; /* delay in ms */ + int bits; +}; + +/* + * below are random guesses, I can't be bothered checking + */ + +struct delayval crdelay[] = { + { 1, CR1 }, + { 2, CR2 }, + { 3, CR3 }, + { 83, CR1 }, + { 166, CR2 }, + { 0, CR3 }, +}; + +struct delayval nldelay[] = { + { 1, NL1 }, /* special, calculated */ + { 2, NL2 }, + { 3, NL3 }, + { 100, NL2 }, + { 0, NL3 }, +}; + +struct delayval bsdelay[] = { + { 1, BS1 }, + { 0, 0 }, +}; + +struct delayval ffdelay[] = { + { 1, FF1 }, + { 1750, FF1 }, + { 0, FF1 }, +}; + +struct delayval tbdelay[] = { + { 1, TAB1 }, + { 2, TAB2 }, + { 3, XTABS }, /* this is expand tabs */ + { 100, TAB1 }, + { 0, TAB2 }, +}; + +int +delaybits() +{ + register int f; + + f = adelay(CD, crdelay); + f |= adelay(ND, nldelay); + f |= adelay(FD, ffdelay); + f |= adelay(TD, tbdelay); + f |= adelay(BD, bsdelay); + return (f); +} + +int +adelay(ms, dp) + register ms; + register struct delayval *dp; +{ + if (ms == 0) + return (0); + while (dp->delay && ms > dp->delay) + dp++; + return (dp->bits); +} + +char editedhost[32]; + +void +edithost(pat) + register char *pat; +{ + register char *host = HN; + register char *res = editedhost; + + if (!pat) + pat = ""; + while (*pat) { + switch (*pat) { + + case '#': + if (*host) + host++; + break; + + case '@': + if (*host) + *res++ = *host++; + break; + + default: + *res++ = *pat; + break; + + } + if (res == &editedhost[sizeof editedhost - 1]) { + *res = '\0'; + return; + } + pat++; + } + if (*host) + strncpy(res, host, sizeof editedhost - (res - editedhost) - 1); + else + *res = '\0'; + editedhost[sizeof editedhost - 1] = '\0'; +} + +struct speedtab { + int speed; + int uxname; +} speedtab[] = { + { 50, B50 }, + { 75, B75 }, + { 110, B110 }, + { 134, B134 }, + { 150, B150 }, + { 200, B200 }, + { 300, B300 }, + { 600, B600 }, + { 1200, B1200 }, + { 1800, B1800 }, + { 2400, B2400 }, + { 4800, B4800 }, + { 9600, B9600 }, + { 19200, EXTA }, + { 19, EXTA }, /* for people who say 19.2K */ + { 38400, EXTB }, + { 38, EXTB }, + { 7200, EXTB }, /* alternative */ + { 0 } +}; + +int +speed(val) + int val; +{ + register struct speedtab *sp; + + if (val <= 15) + return (val); + + for (sp = speedtab; sp->speed; sp++) + if (sp->speed == val) + return (sp->uxname); + + return (B300); /* default in impossible cases */ +} + +void +makeenv(env) + char *env[]; +{ + static char termbuf[128] = "TERM="; + register char *p, *q; + register char **ep; + + ep = env; + if (TT && *TT) { + strcat(termbuf, TT); + *ep++ = termbuf; + } + if (p = EV) { + q = p; + while (q = strchr(q, ',')) { + *q++ = '\0'; + *ep++ = p; + p = q; + } + if (*p) + *ep++ = p; + } + *ep = (char *)0; +} + +/* + * This speed select mechanism is written for the Develcon DATASWITCH. + * The Develcon sends a string of the form "B{speed}\n" at a predefined + * baud rate. This string indicates the user's actual speed. + * The routine below returns the terminal type mapped from derived speed. + */ +struct portselect { + char *ps_baud; + char *ps_type; +} portspeeds[] = { + { "B110", "std.110" }, + { "B134", "std.134" }, + { "B150", "std.150" }, + { "B300", "std.300" }, + { "B600", "std.600" }, + { "B1200", "std.1200" }, + { "B2400", "std.2400" }, + { "B4800", "std.4800" }, + { "B9600", "std.9600" }, + { "B19200", "std.19200" }, + { 0 } +}; + +char * +portselector() +{ + char c, baud[20], *type = "default"; + register struct portselect *ps; + int len; + + alarm(5*60); + for (len = 0; len < sizeof (baud) - 1; len++) { + if (read(STDIN_FILENO, &c, 1) <= 0) + break; + c &= 0177; + if (c == '\n' || c == '\r') + break; + if (c == 'B') + len = 0; /* in case of leading garbage */ + baud[len] = c; + } + baud[len] = '\0'; + for (ps = portspeeds; ps->ps_baud; ps++) + if (strcmp(ps->ps_baud, baud) == 0) { + type = ps->ps_type; + break; + } + sleep(2); /* wait for connection to complete */ + return (type); +} + +/* + * This auto-baud speed select mechanism is written for the Micom 600 + * portselector. Selection is done by looking at how the character '\r' + * is garbled at the different speeds. + */ +#include <sys/time.h> + +char * +autobaud() +{ + int rfds; + struct timeval timeout; + char c, *type = "9600-baud"; + int null = 0; + + ioctl(0, TIOCFLUSH, &null); + rfds = 1 << 0; + timeout.tv_sec = 5; + timeout.tv_usec = 0; + if (select(32, (fd_set *)&rfds, (fd_set *)NULL, + (fd_set *)NULL, &timeout) <= 0) + return (type); + if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char)) + return (type); + timeout.tv_sec = 0; + timeout.tv_usec = 20; + (void) select(32, (fd_set *)NULL, (fd_set *)NULL, + (fd_set *)NULL, &timeout); + ioctl(0, TIOCFLUSH, &null); + switch (c & 0377) { + + case 0200: /* 300-baud */ + type = "300-baud"; + break; + + case 0346: /* 1200-baud */ + type = "1200-baud"; + break; + + case 015: /* 2400-baud */ + case 0215: + type = "2400-baud"; + break; + + default: /* 4800-baud */ + type = "4800-baud"; + break; + + case 0377: /* 9600-baud */ + type = "9600-baud"; + break; + } + return (type); +} diff --git a/libexec/getty/ttys.5 b/libexec/getty/ttys.5 new file mode 100644 index 0000000..cbbdbb6 --- /dev/null +++ b/libexec/getty/ttys.5 @@ -0,0 +1,139 @@ +.\" Copyright (c) 1985, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)ttys.5 8.1 (Berkeley) 6/4/93 +.\" +.Dd June 4, 1993 +.Dt TTYS 5 +.Os +.Sh NAME +.Nm ttys +.Nd terminal initialization information +.Sh DESCRIPTION +The file +.Nm ttys +contains information that is used by various routines to initialize +and control the use of terminal special files. +This information is read with the +.Xr getttyent 3 +library routines. +There is one line in the +.Nm ttys +file per special device file. +Fields are separated by tabs and/or spaces. +Fields comprised of more than one word should be enclosed in double +quotes (``"''). +Blank lines and comments may appear anywhere in the file; comments +are delimited by hash marks (``#'') and new lines. +Any unspecified fields will default to null. +.Pp +The first field is the +name of the terminal special file as it is found in +.Pa /dev . +.Pp +The second field of the file is the command to execute for the line, +usually +.Xr getty 8 , +which initializes and opens the line, setting the speed, waiting for +a user name and executing the +.Xr login 1 +program. +It can be, however, any desired command, for example +the start up for a window system terminal emulator or some other +daemon process, and can contain multiple words if quoted. +.Pp +The third field is the type of terminal usually connected to that +tty line, normally the one found in the +.Xr termcap 5 +data base file. +The environment variable +.Dv TERM +is initialized with the value by +either +.Xr getty 8 +or +.Xr login 1 . +.Pp +The remaining fields set flags in the +.Fa ty_status +entry (see +.Xr getttyent 3 ) +or specify a window system process that +.Xr init 8 +will maintain for the terminal line. +.Pp +As flag values, the strings ``on'' and ``off'' specify that +.Xr init +should (should not) execute the command given in the second field, +while ``secure'' (if ``on'' is also specified) allows users with a +uid of 0 to login on +this line. +These flag fields should not be quoted. +.Pp +The string ``window='' may be followed by a quoted command +string which +.Xr init +will execute +.Em before +starting the command specified by the second field. +.Sh EXAMPLES +.Bd -literal +# root login on console at 1200 baud +console "/usr/libexec/getty std.1200" vt100 on secure +# dialup at 1200 baud, no root logins +ttyd0 "/usr/libexec/getty d1200" dialup on # 555-1234 +# Mike's terminal: hp2621 +ttyh0 "/usr/libexec/getty std.9600" hp2621-nl on # 457 Evans +# John's terminal: vt100 +ttyh1 "/usr/libexec/getty std.9600" vt100 on # 459 Evans +# terminal emulate/window system +ttyv0 "/usr/new/xterm -L :0" vs100 on window="/usr/new/Xvs100 0" +# Network pseudo ttys -- don't enable getty +ttyp0 none network +ttyp1 none network off +.Ed +.Sh FILES +.Bl -tag -width /etc/ttys -compact +.It Pa /etc/ttys +.El +.Sh SEE ALSO +.Xr login 1 , +.Xr getttyent 3 , +.Xr ttyslot 3 , +.Xr gettytab 5 , +.Xr termcap 5 , +.Xr getty 8 , +.Xr init 8 +.Sh HISTORY +A +.Nm +file appeared in +.At v6 . |
