* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <syslog.h>
#include <string.h>
#include <pwd.h>
-#ifdef PLUGIN
+#include <sys/param.h>
+#include <net/if.h>
+#ifdef PPP_WITH_PLUGINS
#include <dlfcn.h>
#endif
-#ifdef PPP_FILTER
+#ifdef PPP_WITH_FILTER
#include <pcap.h>
/*
* There have been 3 or 4 different names for this in libpcap CVS, but
#define DLT_PPP_PPPD DLT_PPP
#endif
#endif
-#endif /* PPP_FILTER */
+#endif /* PPP_WITH_FILTER */
#include "pppd.h"
#include "pathnames.h"
int req_unit = -1; /* requested interface unit */
char path_ipup[MAXPATHLEN]; /* pathname of ip-up script */
char path_ipdown[MAXPATHLEN];/* pathname of ip-down script */
-char req_ifname[MAXIFNAMELEN]; /* requested interface name */
+char req_ifname[IFNAMSIZ]; /* requested interface name */
bool multilink = 0; /* Enable multilink operation */
char *bundle_name = NULL; /* bundle name for multilink */
bool dump_options; /* print out option values */
+bool show_options; /* print all supported options and exit */
bool dryrun; /* print out option values and exit */
char *domain; /* domain name set by domain option */
int child_wait = 5; /* # seconds to wait for children at exit */
struct userenv *userenv_list; /* user environment variables */
int dfl_route_metric = -1; /* metric of the default route to set over the PPP link */
-#ifdef MAXOCTETS
+#ifdef PPP_WITH_IPV6CP
+char path_ipv6up[MAXPATHLEN]; /* pathname of ipv6-up script */
+char path_ipv6down[MAXPATHLEN]; /* pathname of ipv6-down script */
+#endif
+
unsigned int maxoctets = 0; /* default - no limit */
int maxoctets_dir = 0; /* default - sum of traffic */
int maxoctets_timeout = 1; /* default 1 second */
-#endif
extern option_t auth_options[];
extern struct stat devstat;
-#ifdef PPP_FILTER
+#ifdef PPP_WITH_FILTER
struct bpf_program pass_filter;/* Filter program for packets to pass */
struct bpf_program active_filter; /* Filter program for link-active pkts */
#endif
static int logfile_fd = -1; /* fd opened for log file */
static char logfile_name[MAXPATHLEN]; /* name of log file */
+static bool noipx_opt; /* dummy for noipx option */
+
/*
* Prototypes
*/
static int showhelp(char **);
static void usage(void);
static int setlogfile(char **);
-#ifdef PLUGIN
+#ifdef PPP_WITH_PLUGINS
static int loadplugin(char **);
#endif
-#ifdef PPP_FILTER
+#ifdef PPP_WITH_FILTER
static int setpassfilter(char **);
static int setactivefilter(char **);
#endif
-#ifdef MAXOCTETS
static int setmodir(char **);
-#endif
static int user_setenv(char **);
static void user_setprint(option_t *, printer_func, void *);
{ "--version", o_special_noarg, (void *)showversion,
"Show version number" },
+ { "-v", o_special_noarg, (void *)showversion,
+ "Show version number" },
+ { "show-options", o_bool, &show_options,
+ "Show all options and exit", 1 },
{ "--help", o_special_noarg, (void *)showhelp,
"Show brief listing of options" },
{ "-h", o_special_noarg, (void *)showhelp,
{ "ifname", o_string, req_ifname,
"Set PPP interface name",
- OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, MAXIFNAMELEN },
+ OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, IFNAMSIZ },
{ "dump", o_bool, &dump_options,
"Print out option values after parsing all options", 1 },
"Set pathname of ip-down script",
OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN },
-#ifdef HAVE_MULTILINK
+#ifdef PPP_WITH_IPV6CP
+ { "ipv6-up-script", o_string, path_ipv6up,
+ "Set pathname of ipv6-up script",
+ OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN },
+ { "ipv6-down-script", o_string, path_ipv6down,
+ "Set pathname of ipv6-down script",
+ OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN },
+#endif
+
+#ifdef PPP_WITH_MULTILINK
{ "multilink", o_bool, &multilink,
"Enable multilink operation", OPT_PRIO | 1 },
{ "mp", o_bool, &multilink,
{ "bundle", o_string, &bundle_name,
"Bundle name for multilink", OPT_PRIO },
-#endif /* HAVE_MULTILINK */
+#endif /* PPP_WITH_MULTILINK */
-#ifdef PLUGIN
+#ifdef PPP_WITH_PLUGINS
{ "plugin", o_special, (void *)loadplugin,
"Load a plug-in module into pppd", OPT_PRIV | OPT_A2LIST },
#endif
-#ifdef PPP_FILTER
+#ifdef PPP_WITH_FILTER
{ "pass-filter", o_special, setpassfilter,
"set filter for packets to pass", OPT_PRIO },
"set filter for active pkts", OPT_PRIO },
#endif
-#ifdef MAXOCTETS
{ "maxoctets", o_int, &maxoctets,
"Set connection traffic limit",
OPT_PRIO | OPT_LLIMIT | OPT_NOINCR | OPT_ZEROINF },
"Set direction for limit traffic (sum,in,out,max)" },
{ "mo-timeout", o_int, &maxoctets_timeout,
"Check for traffic limit every N seconds", OPT_PRIO | OPT_LLIMIT | 1 },
-#endif
+
+ /* Dummy option, does nothing */
+ { "noipx", o_bool, &noipx_opt, NULL, OPT_NOPRINT | 1 },
{ NULL }
};
#define IMPLEMENTATION ""
#endif
-static char *usage_string = "\
-pppd version %s\n\
-Usage: %s [ options ], where options are:\n\
- <device> Communicate over the named device\n\
- <speed> Set the baud rate to <speed>\n\
- <loc>:<rem> Set the local and/or remote interface IP\n\
- addresses. Either one may be omitted.\n\
- asyncmap <n> Set the desired async map to hex <n>\n\
- auth Require authentication from peer\n\
- connect <p> Invoke shell command <p> to set up the serial line\n\
- crtscts Use hardware RTS/CTS flow control\n\
- defaultroute Add default route through interface\n\
- file <f> Take options from file <f>\n\
- modem Use modem control lines\n\
- mru <n> Set MRU value to <n> for negotiation\n\
-See pppd(8) for more options.\n\
-";
/*
* parse_args - parse a string of arguments from the command line.
pw = getpwuid(getuid());
if (pw == NULL || (user = pw->pw_dir) == NULL || user[0] == 0)
return 1;
- file = _PATH_USEROPT;
+ file = PPP_PATH_USEROPT;
pl = strlen(user) + strlen(file) + 2;
path = malloc(pl);
if (path == NULL)
dev = p + 5;
if (dev[0] == 0 || strcmp(dev, "tty") == 0)
return 1; /* don't look for /etc/ppp/options.tty */
- pl = strlen(_PATH_TTYOPT) + strlen(dev) + 1;
+ pl = strlen(PPP_PATH_TTYOPT) + strlen(dev) + 1;
path = malloc(pl);
if (path == NULL)
novm("tty init file name");
- slprintf(path, pl, "%s%s", _PATH_TTYOPT, dev);
+ slprintf(path, pl, "%s%s", PPP_PATH_TTYOPT, dev);
/* Turn slashes into dots, for Solaris case (e.g. /dev/term/a) */
- for (p = path + strlen(_PATH_TTYOPT); *p != 0; ++p)
+ for (p = path + strlen(PPP_PATH_TTYOPT); *p != 0; ++p)
if (*p == '/')
*p = '.';
option_priority = OPRIO_CFGFILE;
static void
usage(void)
{
- if (phase == PHASE_INITIALIZE)
- fprintf(stderr, usage_string, VERSION, progname);
+ FILE *fp = stderr;
+ if (phase == PHASE_INITIALIZE) {
+ fprintf(fp, "%s v%s\n", PACKAGE_NAME, PACKAGE_VERSION);
+ fprintf(fp, "Copyright (C) 1999-2022 Paul Mackerras, and others. All rights reserved.\n\n");
+
+
+ fprintf(fp, "License BSD: The 3 clause BSD license <https://opensource.org/licenses/BSD-3-Clause>\n");
+ fprintf(fp, "This is free software: you are free to change and redistribute it.\n");
+ fprintf(fp, "There is NO WARRANTY, to the extent permitted by law.\n\n");
+
+ fprintf(fp, "Report Bugs:\n %s\n\n", PACKAGE_BUGREPORT);
+ fprintf(fp, "Usage: %s [ options ], where options are:\n", progname);
+ fprintf(fp, " <device> Communicate over the named device\n");
+ fprintf(fp, " <speed> Set the baud rate to <speed>\n");
+ fprintf(fp, " <loc>:<rem> Set the local and/or remote interface IP\n");
+ fprintf(fp, " addresses. Either one may be omitted.\n");
+ fprintf(fp, " asyncmap <n> Set the desired async map to hex <n>\n");
+ fprintf(fp, " auth Require authentication from peer\n");
+ fprintf(fp, " connect <p> Invoke shell command <p> to set up the serial line\n");
+ fprintf(fp, " crtscts Use hardware RTS/CTS flow control\n");
+ fprintf(fp, " defaultroute Add default route through interface\n");
+ fprintf(fp, " file <f> Take options from file <f>\n");
+ fprintf(fp, " modem Use modem control lines\n");
+ fprintf(fp, " mru <n> Set MRU value to <n> for negotiation\n");
+ fprintf(fp, " show-options Display an extended list of options\n");
+ fprintf(fp, "See pppd(8) for more options.\n");
+ }
}
/*
return 0;
}
+/*
+ * Print a set of options including the name of the group of options
+ */
+static void
+showopts_list(FILE *fp, const char *title, option_t *list, ...)
+{
+ option_t *opt = list;
+ va_list varg;
+
+ if (opt && opt->name) {
+ va_start(varg, list);
+ vfprintf(fp, title, varg);
+ fprintf(fp, ":\n");
+ va_end(varg);
+
+ do {
+ fprintf(fp, " %-22s %s\n", opt->name, opt->description?:"");
+ opt++;
+ } while (opt && opt->name);
+
+ fprintf(fp, "\n");
+ }
+}
+
+/*
+ * Dumps the list of available options
+ */
+void
+showopts(void)
+{
+ struct option_list *list;
+ FILE *fp = stderr;
+ int i = 0;
+
+ showopts_list(fp, "General Options",
+ general_options);
+
+ showopts_list(fp, "Authentication Options",
+ auth_options);
+
+ for (list = extra_options; list != NULL; list = list->next)
+ showopts_list(fp, "Extra Options", list->options);
+
+ showopts_list(fp, "Channel Options",
+ the_channel->options);
+
+ for (i = 0; protocols[i] != NULL; ++i) {
+ if (protocols[i]->options != NULL) {
+ showopts_list(fp, "%s Options",
+ protocols[i]->options,
+ protocols[i]->name);
+ }
+ }
+}
+
/*
* option_error - print a message about an error in an option.
* The message is logged, and also sent to
return 0;
}
- l = strlen(arg) + strlen(_PATH_PEERFILES) + 1;
+ l = strlen(arg) + strlen(PPP_PATH_PEERFILES) + 1;
if ((fname = (char *) malloc(l)) == NULL)
novm("call file name");
- slprintf(fname, l, "%s%s", _PATH_PEERFILES, arg);
+ slprintf(fname, l, "%s%s", PPP_PATH_PEERFILES, arg);
+ script_setenv("CALL_FILE", arg, 0);
ok = options_from_file(fname, 1, 1, 1);
return ok;
}
-#ifdef PPP_FILTER
+#ifdef PPP_WITH_FILTER
/*
* setpassfilter - Set the pass filter for packets
*/
return 1;
}
-#ifdef MAXOCTETS
static int
setmodir(char **argv)
{
}
return 1;
}
-#endif
-#ifdef PLUGIN
+#ifdef PPP_WITH_PLUGINS
static int
loadplugin(char **argv)
{
const char *vers;
if (strchr(arg, '/') == 0) {
- const char *base = _PATH_PLUGIN;
+ const char *base = PPP_PATH_PLUGIN;
int l = strlen(base) + strlen(arg) + 2;
path = malloc(l);
if (path == 0)
free(path);
return 0;
}
-#endif /* PLUGIN */
+#endif /* PPP_WITH_PLUGINS */
/*
* Set an environment variable specified by the user.
projects / ppp.git / blobdiff