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pppd: Allow specifying ip-up and ip-down scripts
This patch implements the "ip-up-script" and "ip-down-script" options which
allow to specify the path of the ip-up and ip-down scripts to call.
These options default to _PATH_IPUP and _PATH_IPDOWN to retain the
existing behaviour.
The patch originated from the Debian project.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
@@ -1957,7 +1957,7 @@ ipcp_up(f)
*/
if (ipcp_script_state == s_down && ipcp_script_pid == 0) {
ipcp_script_state = s_up;
- ipcp_script(_PATH_IPUP, 0);
+ ipcp_script(path_ipup, 0);
}
}
@@ -2007,7 +2007,7 @@ ipcp_down(f)
/* Execute the ip-down script */
if (ipcp_script_state == s_up && ipcp_script_pid == 0) {
ipcp_script_state = s_down;
- ipcp_script(_PATH_IPDOWN, 0);
+ ipcp_script(path_ipdown, 0);
}
}
@@ -2061,13 +2061,13 @@ ipcp_script_done(arg)
case s_up:
if (ipcp_fsm[0].state != OPENED) {
ipcp_script_state = s_down;
- ipcp_script(_PATH_IPDOWN, 0);
+ ipcp_script(path_ipdown, 0);
}
break;
case s_down:
if (ipcp_fsm[0].state == OPENED) {
ipcp_script_state = s_up;
- ipcp_script(_PATH_IPUP, 0);
+ ipcp_script(path_ipup, 0);
}
break;
}
--- a/pppd/main.c
+++ b/pppd/main.c
@@ -306,6 +306,9 @@ main(argc, argv)
struct protent *protp;
char numbuf[16];
+ strlcpy(path_ipup, _PATH_IPUP, sizeof(path_ipup));
+ strlcpy(path_ipdown, _PATH_IPDOWN, sizeof(path_ipdown));
+
link_stats_valid = 0;
new_phase(PHASE_INITIALIZE);
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -117,6 +117,8 @@ bool tune_kernel; /* may alter kernel s
int connect_delay = 1000; /* wait this many ms after connect script */
int req_unit = -1; /* requested interface unit */
char req_ifname[MAXIFNAMELEN]; /* requested interface name */
+char path_ipup[MAXPATHLEN]; /* pathname of ip-up script */
+char path_ipdown[MAXPATHLEN];/* pathname of ip-down script */
bool multilink = 0; /* Enable multilink operation */
char *bundle_name = NULL; /* bundle name for multilink */
bool dump_options; /* print out option values */
@@ -316,6 +318,13 @@ option_t general_options[] = {
"Metric to use for the default route (Linux only; -1 for default behavior)",
OPT_PRIV|OPT_LLIMIT|OPT_INITONLY, NULL, 0, -1 },
+ { "ip-up-script", o_string, path_ipup,
+ "Set pathname of ip-up script",
+ OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN },
+ { "ip-down-script", o_string, path_ipdown,
+ "Set pathname of ip-down script",
+ OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN },
+
#ifdef HAVE_MULTILINK
{ "multilink", o_bool, &multilink,
"Enable multilink operation", OPT_PRIO | 1 },
--- a/pppd/pppd.h
+++ b/pppd/pppd.h
@@ -332,6 +332,8 @@ extern int connect_delay; /* Time to del
extern int max_data_rate; /* max bytes/sec through charshunt */
extern int req_unit; /* interface unit number to use */
extern char req_ifname[MAXIFNAMELEN]; /* interface name to use */
+extern char path_ipup[MAXPATHLEN]; /* pathname of ip-up script */
+extern char path_ipdown[MAXPATHLEN]; /* pathname of ip-down script */
extern bool multilink; /* enable multilink operation */
extern bool noendpoint; /* don't send or accept endpt. discrim. */
extern char *bundle_name; /* bundle name for multilink */
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