From: Marco d'Itri <md@linux.it>
Date: Fri, 2 Jun 2017 11:22:08 +0200
Subject: [PATCH] ip-up_option

---
 pppd/ipcp.c    | 8 ++++----
 pppd/main.c    | 3 +++
 pppd/options.c | 9 +++++++++
 pppd/pppd.h    | 2 ++
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/pppd/ipcp.c b/pppd/ipcp.c
index dceca807542a..d6e0e2a699fe 100644
--- a/pppd/ipcp.c
+++ b/pppd/ipcp.c
@@ -1984,7 +1984,7 @@ 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);
     }
 }
 
@@ -2034,7 +2034,7 @@ 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);
     }
 }
 
@@ -2097,13 +2097,13 @@ 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;
     }
diff --git a/pppd/main.c b/pppd/main.c
index 23d21d427df7..59aad6f3854f 100644
--- a/pppd/main.c
+++ b/pppd/main.c
@@ -316,6 +316,9 @@ 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);
 
diff --git a/pppd/options.c b/pppd/options.c
index f66b7657bc31..dc2d7329a93d 100644
--- a/pppd/options.c
+++ b/pppd/options.c
@@ -114,6 +114,8 @@ char	linkname[MAXPATHLEN];	/* logical name for link */
 bool	tune_kernel;		/* may alter kernel settings */
 int	connect_delay = 1000;	/* wait this many ms after connect script */
 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 */
 bool	multilink = 0;		/* Enable multilink operation */
 char	*bundle_name = NULL;	/* bundle name for multilink */
 bool	dump_options;		/* print out option values */
@@ -299,6 +301,13 @@ option_t general_options[] = {
       "Unset user environment variable",
       OPT_A2PRINTER | OPT_NOPRINT, (void *)user_unsetprint },
 
+    { "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 },
diff --git a/pppd/pppd.h b/pppd/pppd.h
index 2121bc0aa588..2be649adf582 100644
--- a/pppd/pppd.h
+++ b/pppd/pppd.h
@@ -318,6 +318,8 @@ extern bool	tune_kernel;	/* May alter kernel settings as necessary */
 extern int	connect_delay;	/* Time to delay after connect script */
 extern int	max_data_rate;	/* max bytes/sec through charshunt */
 extern int	req_unit;	/* interface unit number 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 */