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--- busybox-1.20.1/networking/ifupdown.c
+++ busybox-1.20.1-ifupdown/networking/ifupdown.c
@@ -140,8 +140,6 @@ static const char keywords_up_down[] ALI
"up\0"
"down\0"
"pre-up\0"
- "pre-down\0"
- "post-up\0"
"post-down\0"
;
@@ -895,6 +893,11 @@ static struct interfaces_file_t *read_in
if (rest_of_line[0] == '\0')
bb_error_msg_and_die("option with empty value \"%s\"", buf);
+ if (strcmp(first_word, "post-up") == 0)
+ first_word += 5; /* "up" */
+ else if (strcmp(first_word, "pre-down") == 0)
+ first_word += 4; /* "down" */
+
/* If not one of "up", "down",... words... */
if (index_in_strings(keywords_up_down, first_word) < 0) {
int i;
@@ -963,7 +966,7 @@ static char *setlocalenv(const char *for
return result;
}
-static void set_environ(struct interface_defn_t *iface, const char *mode)
+static void set_environ(struct interface_defn_t *iface, const char *mode, const char *opt)
{
int i;
char **pp;
@@ -976,7 +979,7 @@ static void set_environ(struct interface
}
/* note: last element will stay NULL: */
- G.my_environ = xzalloc(sizeof(char *) * (iface->n_options + 6));
+ G.my_environ = xzalloc(sizeof(char *) * (iface->n_options + 7));
pp = G.my_environ;
for (i = 0; i < iface->n_options; i++) {
@@ -990,6 +993,7 @@ static void set_environ(struct interface
*pp++ = setlocalenv("%s=%s", "ADDRFAM", iface->address_family->name);
*pp++ = setlocalenv("%s=%s", "METHOD", iface->method->name);
*pp++ = setlocalenv("%s=%s", "MODE", mode);
+ *pp++ = setlocalenv("%s=%s", "PHASE", opt);
if (G.startup_PATH)
*pp++ = setlocalenv("%s=%s", "PATH", G.startup_PATH);
}
@@ -1044,21 +1048,21 @@ static int check(char *str)
static int iface_up(struct interface_defn_t *iface)
{
if (!iface->method->up(iface, check)) return -1;
- set_environ(iface, "start");
+ set_environ(iface, "start", "pre-up");
if (!execute_all(iface, "pre-up")) return 0;
if (!iface->method->up(iface, doit)) return 0;
+ set_environ(iface, "start", "post-up");
if (!execute_all(iface, "up")) return 0;
- if (!execute_all(iface, "post-up")) return 0;
return 1;
}
static int iface_down(struct interface_defn_t *iface)
{
if (!iface->method->down(iface,check)) return -1;
- set_environ(iface, "stop");
- if (!execute_all(iface, "pre-down")) return 0;
+ set_environ(iface, "stop", "pre-down");
if (!execute_all(iface, "down")) return 0;
if (!iface->method->down(iface, doit)) return 0;
+ set_environ(iface, "stop", "post-down");
if (!execute_all(iface, "post-down")) return 0;
return 1;
}
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