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Style police.

Browse source 
bzero -> memset
index -> strchr
rindex -> strrchr
Use libedit (this should make pppctl a lot more attractive than telnet).
This commit is contained in:
Brian Somers 1997-11-07 20:20:15 +00:00
parent 31e5225482
commit 7d0a1bac71
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31031
3 changed files with 103 additions and 38 deletions
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6
usr.sbin/pppctl/Makefile
View file

@ -1,8 +1,10 @@
# $Id:$
# $Id: Makefile,v 1.1 1997/06/28 01:04:49 brian Exp $
PROG= pppctl
SRCS= pppctl.c
CFLAGS+=-Wall
CFLAGS+=-Wall -Wmissing-prototypes
LDADD+= -ledit -ltermcap
DPADD+= ${LIBEDIT} ${LIBTERMCAP}
MAN8= pppctl.8
.include <bsd.prog.mk>

42
usr.sbin/pppctl/pppctl.8
View file

@ -1,4 +1,4 @@
.\" $Id: pppctl.8,v 1.4 1997/10/05 14:21:30 brian Exp $
.\" $Id: pppctl.8,v 1.5 1997/11/07 02:54:46 brian Exp $
.Dd 26 June 1997
.Os FreeBSD
.Dt PPPCTL 8
@ -61,13 +61,13 @@ If no
arguments are given,
.Nm
enters interactive mode, where commands are read from standard input.
When in interactive mode, the
.Fl v
option is assumed. Any password negotiation due to the
.Fl p
option is done prior to enabling the
.Fl v
option.
When reading commands, the
.Xr editline 3
library is used, allowing command-line editing (with
.Xr editrc 5
defining editing behaviour). The history size
defaults to
.Em 20 lines .
The following command line options are available:
.Bl -tag -width Ds
@ -76,7 +76,8 @@ Display all data sent to and received from the
.Nm ppp
daemon. Normally,
.Nm pppctl
displays only non-prompt lines received.
displays only non-prompt lines received. This option is ignored in
interactive mode.
.It Fl t Ar n
Use a timeout of
.Ar n
@ -173,9 +174,28 @@ You can even make a generic script:
exec pppctl /var/run/internet "$@"
.Ed
.Sh ENVIRONMENT VARIABLES
The following environment variables are understood by
.Nm pppctl
when in interactive mode:
.Bl -tag -width XXXXXXXXXX
.It Dv EL_SIZE
The number of history lines. The default is 20.
.It Dv EL_EDITOR
The edit mode. Only values of "emacs" and "vi" are accepted. Other values
are silently ignored. This environment variable will override the
.Ar bind -v
and
.Ar bind -e
commands in
.Pa ~/.editrc .
.El
.Sh SEE ALSO
.Xr services 5 ,
.Xr ppp 8
.Xr editline 3 ,
.Xr editrc 5 ,
.Xr ppp 8 ,
.Xr services 5
.Sh HISTORY
The

93
usr.sbin/pppctl/pppctl.c
View file

@ -1,29 +1,37 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include <netdb.h>
#include <histedit.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define LINELEN 2048
static char Buffer[LINELEN], Command[LINELEN];
static int Usage()
static int
Usage()
{
fprintf(stderr, "Usage: pppctl [-v] [ -t n ] [ -p passwd ] Port|LocalSock [command[;command]...]\n");
fprintf(stderr, " -v tells pppctl to output all conversation\n");
fprintf(stderr, " -t n specifies a timeout of n seconds (default 2)\n");
fprintf(stderr, "Usage: pppctl [-v] [ -t n ] [ -p passwd ] "
"Port|LocalSock [command[;command]...]\n");
fprintf(stderr, " -v tells pppctl to output all"
" conversation\n");
fprintf(stderr, " -t n specifies a timeout of n"
" seconds (default 2)\n");
fprintf(stderr, " -p passwd specifies your password\n");
return 1;
}
static int TimedOut = 0;
void Timeout(int Sig)
static void
Timeout(int Sig)
{
TimedOut = 1;
}
@ -33,8 +41,18 @@ void Timeout(int Sig)
#define REC_VERBOSE (4)
static char *passwd;
static char *prompt;
int Receive(int fd, unsigned TimeoutVal, int display)
static char *
GetPrompt(EditLine *e)
{
if (prompt == NULL)
prompt = "";
return prompt;
}
static int
Receive(int fd, unsigned TimeoutVal, int display)
{
int Result;
struct sigaction act, oact;
@ -50,6 +68,7 @@ int Receive(int fd, unsigned TimeoutVal, int display)
alarm(TimeoutVal);
}
prompt = Buffer;
len = 0;
while (Result = read(fd, Buffer+len, sizeof(Buffer)-len-1), Result != -1) {
len += Result;
@ -64,10 +83,11 @@ int Receive(int fd, unsigned TimeoutVal, int display)
if (display & REC_VERBOSE)
last = Buffer+len-1;
else
last = rindex(Buffer, '\n');
last = strrchr(Buffer, '\n');
if (last) {
*++last = '\0';
last++;
write(1, Buffer, last-Buffer);
prompt = last;
}
}
for (last = Buffer+len-2; last > Buffer && *last != ' '; last--)
@ -83,11 +103,11 @@ int Receive(int fd, unsigned TimeoutVal, int display)
if (!passwd)
passwd = getpass("Password: ");
sprintf(Buffer, "passwd %s\n", passwd);
bzero(passwd, strlen(passwd));
memset(passwd, '\0', strlen(passwd));
if (display & REC_VERBOSE)
write(1, Buffer, strlen(Buffer));
write(fd, Buffer, strlen(Buffer));
bzero(Buffer, strlen(Buffer));
memset(Buffer, '\0', strlen(Buffer));
return Receive(fd, TimeoutVal, display & ~REC_PASSWD);
}
Result = 1;
@ -171,7 +191,7 @@ main(int argc, char **argv)
}
} else {
char *port, *host, *colon;
int hlen;
int hlen;
colon = strchr(argv[arg], ':');
if (colon) {
@ -262,25 +282,48 @@ main(int argc, char **argv)
case 0:
if (len == 0) {
if (!verbose) {
/* Give a \n to ppp for a prompt */
write(fd, "\n", 1);
if (Receive(fd, TimeoutVal, REC_VERBOSE | REC_SHOW) != 0) {
fprintf(stderr, "Connection closed\n");
break;
}
}
while (fgets(Buffer, sizeof(Buffer)-1, stdin)) {
write(fd, Buffer, strlen(Buffer));
if (Receive(fd, TimeoutVal, REC_VERBOSE | REC_SHOW) != 0) {
EditLine *edit;
History *hist;
const char *l, *env;
int size;
hist = history_init();
if ((env = getenv("EL_SIZE"))) {
size = atoi(env);
if (size < 0)
size = 20;
} else
size = 20;
history(hist, H_EVENT, size);
edit = el_init("pppctl", stdin, stdout);
el_source(edit, NULL);
el_set(edit, EL_PROMPT, GetPrompt);
if ((env = getenv("EL_EDITOR")))
if (!strcmp(env, "vi"))
el_set(edit, EL_EDITOR, "vi");
else if (!strcmp(env, "emacs"))
el_set(edit, EL_EDITOR, "emacs");
el_set(edit, EL_SIGNAL, 1);
el_set(edit, EL_HIST, history, (const char *)hist);
while ((l = el_gets(edit, &len))) {
if (len > 1)
history(hist, H_ENTER, l);
write(fd, l, len);
if (!strcasecmp(l, "quit\n") ||
!strcasecmp(l, "bye\n")) /* ok, we're cheating */
break;
if (Receive(fd, TimeoutVal, REC_SHOW) != 0) {
fprintf(stderr, "Connection closed\n");
break;
}
}
el_end(edit);
history_end(hist);
} else {
start = Command;
do {
next = index(start, ';');
next = strchr(start, ';');
while (*start == ' ' || *start == '\t')
start++;
if (next)