* 3. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Paul Mackerras
- * <paulus@samba.org>".
+ * <paulus@ozlabs.org>".
*
* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include "pppd.h"
+#include "pppd-private.h"
+#include "options.h"
#include "fsm.h"
#include "lcp.h"
static int setspeed(char *, char **, int);
static int setxonxoff(char **);
static int setescape(char **);
-static void printescape(option_t *, void (*)(void *, char *,...),void *);
+static void printescape(struct option *, void (*)(void *, char *,...),void *);
static void finish_tty(void);
static int start_charshunt(int, int);
static void stop_charshunt(void *, int);
struct stat devstat; /* result of stat() on devnam */
/* option variables */
+char devnam[MAXPATHLEN]; /* Device name */
+char ppp_devname[MAXPATHLEN];/* name of PPP tty (maybe ttypx) */
int crtscts = 0; /* Use hardware flow control */
int stop_bits = 1; /* Number of serial port stop bits */
bool modem = 1; /* Use modem control lines */
u_int32_t xmit_accm[8]; /* extended transmit ACCM */
/* option descriptors */
-option_t tty_options[] = {
+static struct option tty_options[] = {
/* device name must be first, or change connect_tty() below! */
{ "device name", o_wild, (void *) &setdevname,
"Serial port device name",
&tty_close_fds
};
+bool
+ppp_sync_serial()
+{
+ return sync_serial;
+}
+
+bool
+ppp_get_modem()
+{
+ return modem;
+}
+
+void
+ppp_set_modem(bool on)
+{
+ modem = on;
+}
+
+bool
+ppp_using_pty()
+{
+ return using_pty;
+}
+
+int
+ppp_set_pppdevnam(const char *name)
+{
+ if (name) {
+ return strlcpy(ppp_devname, name, sizeof(ppp_devname));
+ }
+ return -1;
+}
+
+const char *
+ppp_pppdevnam()
+{
+ return ppp_devname;
+}
+
+const char *
+ppp_devnam()
+{
+ return devnam;
+}
+
+int
+ppp_set_devnam(const char *name)
+{
+ if (name) {
+ return strlcpy(devnam, name, sizeof(devnam));
+ }
+ return -1;
+}
+
+
/*
* setspeed - Set the serial port baud rate.
* If doit is 0, the call is to check whether this option is
if (stat(cp, &statbuf) < 0) {
if (!doit)
return errno != ENOENT;
- option_error("Couldn't stat %s: %m", cp);
+ ppp_option_error("Couldn't stat %s: %m", cp);
return 0;
}
if (!S_ISCHR(statbuf.st_mode)) {
if (doit)
- option_error("%s is not a character device", cp);
+ ppp_option_error("%s is not a character device", cp);
return 0;
}
if (doit) {
- strlcpy(devnam, cp, sizeof(devnam));
+ strlcpy(devnam, cp, MAXPATHLEN);
devstat = statbuf;
default_device = 0;
}
while (*p) {
n = strtol(p, &endp, 16);
if (p == endp) {
- option_error("escape parameter contains invalid hex number '%s'",
+ ppp_option_error("escape parameter contains invalid hex number '%s'",
p);
return 0;
}
p = endp;
if (n < 0 || n == 0x5E || n > 0xFF) {
- option_error("can't escape character 0x%x", n);
+ ppp_option_error("can't escape character 0x%x", n);
ret = 0;
} else
- xmit_accm[n >> 5] |= 1 << (n & 0x1F);
+ xmit_accm[n >> 5] |= 1U << (n & 0x1F);
while (*p == ',' || *p == ' ')
++p;
}
}
static void
-printescape(option_t *opt, void (*printer)(void *, char *, ...), void *arg)
+printescape(struct option *opt, void (*printer)(void *, char *, ...), void *arg)
{
int n;
int first = 1;
for (n = 0; n < 256; ++n) {
if (n == 0x7d)
n += 2; /* skip 7d, 7e */
- if (xmit_accm[n >> 5] & (1 << (n & 0x1f))) {
+ if (xmit_accm[n >> 5] & (1U << (n & 0x1f))) {
if (!first)
printer(arg, ",");
else
*/
void tty_init(void)
{
- add_notifier(&pidchange, maybe_relock, 0);
+ ppp_add_notify(NF_PID_CHANGE, maybe_relock, 0);
the_channel = &tty_channel;
- xmit_accm[3] = 0x60000000;
+ xmit_accm[3] = 0x60000000U;
}
/*
if (default_device) {
char *p;
if (!isatty(0) || (p = ttyname(0)) == NULL) {
- option_error("no device specified and stdin is not a tty");
+ ppp_option_error("no device specified and stdin is not a tty");
exit(EXIT_OPTION_ERROR);
}
- strlcpy(devnam, p, sizeof(devnam));
+ strlcpy(devnam, p, MAXPATHLEN);
if (stat(devnam, &devstat) < 0)
fatal("Couldn't stat default device %s: %m", devnam);
}
int fdflags;
if (demand && notty) {
- option_error("demand-dialling is incompatible with notty");
+ ppp_option_error("demand-dialling is incompatible with notty");
exit(EXIT_OPTION_ERROR);
}
if (demand && connect_script == 0 && ptycommand == NULL
&& pty_socket == NULL) {
- option_error("connect script is required for demand-dialling\n");
+ ppp_option_error("connect script is required for demand-dialling\n");
exit(EXIT_OPTION_ERROR);
}
/* default holdoff to 0 if no connect script has been given */
if (using_pty) {
if (!default_device) {
- option_error("%s option precludes specifying device name",
+ ppp_option_error("%s option precludes specifying device name",
pty_socket? "socket": notty? "notty": "pty");
exit(EXIT_OPTION_ERROR);
}
if (ptycommand != NULL && notty) {
- option_error("pty option is incompatible with notty option");
+ ppp_option_error("pty option is incompatible with notty option");
exit(EXIT_OPTION_ERROR);
}
if (pty_socket != NULL && (ptycommand != NULL || notty)) {
- option_error("socket option is incompatible with pty and notty");
+ ppp_option_error("socket option is incompatible with pty and notty");
exit(EXIT_OPTION_ERROR);
}
default_device = notty;
* Get a pty master/slave pair if the pty, notty, socket,
* or record options were specified.
*/
- strlcpy(ppp_devnam, devnam, sizeof(ppp_devnam));
+ strlcpy(ppp_devname, devnam, MAXPATHLEN);
pty_master = -1;
pty_slave = -1;
real_ttyfd = -1;
if (using_pty || record_file != NULL) {
- if (!get_pty(&pty_master, &pty_slave, ppp_devnam, uid)) {
+ if (!get_pty(&pty_master, &pty_slave, ppp_devname, uid)) {
error("Couldn't allocate pseudo-tty");
- status = EXIT_FATAL_ERROR;
+ ppp_set_status(EXIT_FATAL_ERROR);
return -1;
}
set_up_tty(pty_slave, 1);
/*
* Lock the device if we've been asked to.
*/
- status = EXIT_LOCK_FAILED;
+ ppp_set_status(EXIT_LOCK_FAILED);
if (lockflag && !privopen) {
if (lock(devnam) < 0)
goto errret;
if (prio < OPRIO_ROOT && seteuid(uid) == -1) {
error("Unable to drop privileges before opening %s: %m\n",
devnam);
- status = EXIT_OPEN_FAILED;
+ ppp_set_status(EXIT_OPEN_FAILED);
goto errret;
}
real_ttyfd = open(devnam, O_NONBLOCK | O_RDWR, 0);
errno = err;
if (err != EINTR) {
error("Failed to open %s: %m", devnam);
- status = EXIT_OPEN_FAILED;
+ ppp_set_status(EXIT_OPEN_FAILED);
}
if (!persist || err != EINTR)
goto errret;
* If the pty, socket, notty and/or record option was specified,
* start up the character shunt now.
*/
- status = EXIT_PTYCMD_FAILED;
+ ppp_set_status(EXIT_PTYCMD_FAILED);
if (ptycommand != NULL) {
if (record_file != NULL) {
int ipipe[2], opipe[2], ok;
if (initializer && initializer[0]) {
if (device_script(initializer, ttyfd, ttyfd, 0) < 0) {
error("Initializer script failed");
- status = EXIT_INIT_FAILED;
+ ppp_set_status(EXIT_INIT_FAILED);
goto errretf;
}
if (got_sigterm) {
if (connector && connector[0]) {
if (device_script(connector, ttyfd, ttyfd, 0) < 0) {
error("Connect script failed");
- status = EXIT_CONNECT_FAILED;
+ ppp_set_status(EXIT_CONNECT_FAILED);
goto errretf;
}
if (got_sigterm) {
break;
if (errno != EINTR) {
error("Failed to reopen %s: %m", devnam);
- status = EXIT_OPEN_FAILED;
+ ppp_set_status(EXIT_OPEN_FAILED);
}
if (!persist || errno != EINTR || hungup || got_sigterm)
goto errret;
}
slprintf(numbuf, sizeof(numbuf), "%d", baud_rate);
- script_setenv("SPEED", numbuf, 0);
+ ppp_script_setenv("SPEED", numbuf, 0);
/* run welcome script, if any */
if (welcomer && welcomer[0]) {
static int
start_charshunt(int ifd, int ofd)
{
- int cpid;
+ int cpid, ret;
- cpid = safe_fork(ifd, ofd, (log_to_fd >= 0? log_to_fd: 2));
+ cpid = ppp_safe_fork(ifd, ofd, (log_to_fd >= 0? log_to_fd: 2));
if (cpid == -1) {
error("Can't fork process for character shunt: %m");
return 0;
log_to_fd = -1;
else if (log_to_fd >= 0)
log_to_fd = 2;
- setgid(getgid());
- setuid(uid);
- if (getuid() != uid)
- fatal("setuid failed");
+ ret = setgid(getgid());
+ if (ret != 0) {
+ fatal("setgid failed, %m");
+ }
+ ret = setuid(uid);
+ if (ret != 0 || getuid() != uid) {
+ fatal("setuid failed, %m");
+ }
charshunt(0, 1, record_file);
exit(0);
}
pty_readable = stdin_readable = 1;
ilevel = olevel = 0;
- get_time(&levelt);
+ ppp_get_time(&levelt);
if (max_data_rate) {
max_level = max_data_rate / 10;
if (max_level < 100)
int nbt;
struct timeval now;
- get_time(&now);
+ ppp_get_time(&now);
dt = (now.tv_sec - levelt.tv_sec
+ (now.tv_usec - levelt.tv_usec) / 1e6);
nbt = (int)(dt * max_data_rate);
projects / ppp.git / blobdiff