diff options
Diffstat (limited to 'innbbsd/rfc931.c')
| -rw-r--r-- | innbbsd/rfc931.c | 78 |
1 files changed, 39 insertions, 39 deletions
diff --git a/innbbsd/rfc931.c b/innbbsd/rfc931.c index 0d59d771..d8428119 100644 --- a/innbbsd/rfc931.c +++ b/innbbsd/rfc931.c @@ -1,19 +1,19 @@ - /* - * rfc931_user() speaks a common subset of the RFC 931, AUTH, TAP and IDENT - * protocols. It consults an RFC 931 etc. compatible daemon on the client - * host to look up the remote user name. The information should not be used - * for authentication purposes. - * - * Diagnostics are reported through syslog(3). - * - * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands. - * - * Inspired by the authutil package (comp.sources.unix volume 22) by Dan - * Bernstein (brnstnd@kramden.acf.nyu.edu). - */ +/* + * rfc931_user() speaks a common subset of the RFC 931, AUTH, TAP and IDENT + * protocols. It consults an RFC 931 etc. compatible daemon on the client + * host to look up the remote user name. The information should not be used + * for authentication purposes. + * + * Diagnostics are reported through syslog(3). + * + * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands. + * + * Inspired by the authutil package (comp.sources.unix volume 22) by Dan + * Bernstein (brnstnd@kramden.acf.nyu.edu). + */ #ifndef lint -static char sccsid[] = "@(#) rfc931.c 1.4 93/03/07 22:47:52"; +static char sccsid[] = "@(#) rfc931.c 1.4 93/03/07 22:47:52"; #endif #include <stdio.h> @@ -24,44 +24,46 @@ static char sccsid[] = "@(#) rfc931.c 1.4 93/03/07 22:47:52"; #include <setjmp.h> #include <signal.h> -/*#include "log_tcp.h"*/ +/* #include "log_tcp.h" */ -#define RFC931_PORT 113 /* Semi-well-known port */ +#define RFC931_PORT 113 /* Semi-well-known port */ #ifndef RFC931_TIMEOUT -#define RFC931_TIMEOUT 30 /* wait for at most 30 seconds */ +#define RFC931_TIMEOUT 30 /* wait for at most 30 seconds */ #endif -extern char *strchr(); -extern char *inet_ntoa(); +extern char *strchr(); +extern char *inet_ntoa(); -static jmp_buf timebuf; +static jmp_buf timebuf; /* timeout - handle timeouts */ -static void timeout(sig) -int sig; +static void +timeout(sig) + int sig; { longjmp(timebuf, sig); } /* rfc931_name - return remote user name */ -char *my_rfc931_name(herefd,there) -int herefd; -struct sockaddr_in *there; /* remote link information */ +char * +my_rfc931_name(herefd, there) + int herefd; + struct sockaddr_in *there; /* remote link information */ { struct sockaddr_in here; /* local link information */ - struct sockaddr_in sin; /* for talking to RFC931 daemon */ - int length; - int s; - unsigned remote; - unsigned local; - static char user[256]; /* XXX */ - char buffer[512]; /* YYY */ - FILE *fp; - char *cp; - char *result = "unknown"; + struct sockaddr_in sin; /* for talking to RFC931 daemon */ + int length; + int s; + unsigned remote; + unsigned local; + static char user[256]; /* XXX */ + char buffer[512];/* YYY */ + FILE *fp; + char *cp; + char *result = "unknown"; /* Find out local address and port number of stdin. */ @@ -70,7 +72,6 @@ struct sockaddr_in *there; /* remote link information */ syslog(LOG_ERR, "getsockname: %m"); return (result); } - /* * The socket that will be used for user name lookups should be bound to * the same local IP address as stdin. This will automagically happen on @@ -91,7 +92,7 @@ struct sockaddr_in *there; /* remote link information */ signal(SIGALRM, timeout); if (setjmp(timebuf)) { - close(s); /* not: fclose(fp) */ + close(s); /* not: fclose(fp) */ return (result); } alarm(RFC931_TIMEOUT); @@ -106,14 +107,13 @@ struct sockaddr_in *there; /* remote link information */ alarm(0); return (result); } - /* * Use unbuffered I/O or we may read back our own query. setbuf() must be * called before doing any I/O on the stream. Thanks for the reminder, * Paul Kranenburg <pk@cs.few.eur.nl>! */ - setbuf(fp, (char *) 0); + setbuf(fp, (char *)0); /* Query the RFC 931 server. Would 13-byte writes ever be broken up? */ |