@@ -1067,41 +1067,32 @@
#ifndef _WIN32
static void
-setenv_foreign_option(struct options *o, const char *argv[], int len, struct env_set *es)
+setenv_foreign_option(struct options *o, const char *option, const char *value, struct env_set *es)
{
- if (len > 0)
- {
- struct gc_arena gc = gc_new();
- struct buffer name = alloc_buf_gc(OPTION_PARM_SIZE, &gc);
- struct buffer value = alloc_buf_gc(OPTION_PARM_SIZE, &gc);
- int i;
- bool first = true;
- bool good = true;
+ struct gc_arena gc = gc_new();
+ struct buffer env_name = alloc_buf_gc(OPTION_PARM_SIZE, &gc);
+ struct buffer env_value = alloc_buf_gc(OPTION_PARM_SIZE, &gc);
+ bool good = true;
- good &= buf_printf(&name, "foreign_option_%d", o->foreign_option_index + 1);
- ++o->foreign_option_index;
- for (i = 0; i < len; ++i)
- {
- if (argv[i])
- {
- if (!first)
- {
- good &= buf_printf(&value, " ");
- }
- good &= buf_printf(&value, "%s", argv[i]);
- first = false;
- }
- }
- if (good)
- {
- setenv_str(es, BSTR(&name), BSTR(&value));
- }
- else
- {
- msg(M_WARN, "foreign_option: name/value overflow");
- }
- gc_free(&gc);
+ good &= buf_printf(&env_name, "foreign_option_%d", o->foreign_option_index + 1);
+ if (value)
+ {
+ good &= buf_printf(&env_value, "dhcp-option %s %s", option, value);
}
+ else
+ {
+ good &= buf_printf(&env_value, "dhcp-option %s", option);
+ }
+ if (good)
+ {
+ setenv_str(es, BSTR(&env_name), BSTR(&env_value));
+ ++o->foreign_option_index;
+ }
+ else
+ {
+ msg(M_WARN, "foreign_option: name/value overflow");
+ }
+ gc_free(&gc);
}
#endif /* ifndef _WIN32 */
@@ -3678,15 +3669,10 @@
else if (o->up_script && !dns_updown_user_set(dns) && !dns_updown_forced(dns))
{
/* Set foreign option env vars from --dns config */
- const char *p[] = { "dhcp-option", NULL, NULL };
- size_t p_len = sizeof(p) / sizeof(p[0]);
-
- p[1] = "DOMAIN";
const struct dns_domain *d = dns->search_domains;
while (d)
{
- p[2] = d->name;
- setenv_foreign_option(o, (const char **)p, p_len, es);
+ setenv_foreign_option(o, "DOMAIN", d->name, es);
d = d->next;
}
@@ -3713,17 +3699,19 @@
{
for (int i = 0; i < s->addr_count; ++i)
{
+ const char *option;
+ const char *value;
if (s->addr[i].family == AF_INET)
{
- p[1] = "DNS";
- p[2] = print_in_addr_t(s->addr[i].in.a4.s_addr, IA_NET_ORDER, &gc);
+ option = "DNS";
+ value = print_in_addr_t(s->addr[i].in.a4.s_addr, IA_NET_ORDER, &gc);
}
else
{
- p[1] = "DNS6";
- p[2] = print_in6_addr(s->addr[i].in.a6, 0, &gc);
+ option = "DNS6";
+ value = print_in6_addr(s->addr[i].in.a6, 0, &gc);
}
- setenv_foreign_option(o, (const char **)p, p_len, es);
+ setenv_foreign_option(o, option, value, es);
}
break;
}
@@ -8388,7 +8376,7 @@
goto err;
}
#else /* if defined(_WIN32) || defined(TARGET_ANDROID) */
- setenv_foreign_option(options, (const char **)p, 3, es);
+ setenv_foreign_option(options, p[1], p[2], es);
#endif /* if defined(_WIN32) || defined(TARGET_ANDROID) */
}
#ifdef _WIN32
@@ -8530,7 +8518,7 @@
else if (streq(p[0], "dhcp-option") && p[1] && !p[3])
{
VERIFY_PERMISSION(OPT_P_DHCPDNS);
- setenv_foreign_option(options, (const char **)p, 3, es);
+ setenv_foreign_option(options, p[1], p[2], es);
}
else if (streq(p[0], "route-method") && p[1] && !p[2])
{