1) so remote was set to the maxlenght of ipv6 address defined into
arpa/inet.h + 1 for string terminator
2) I refactored the call to get_env to take first ipv6 address, then
only if it is NULL, i make a call for ipv4
---
src/plugins/auth-pam/auth-pam.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/plugins/auth-pam/auth-pam.c b/src/plugins/auth-pam/auth-pam.c
index ae0d495a..cd91a33c 100644
--- a/src/plugins/auth-pam/auth-pam.c
+++ b/src/plugins/auth-pam/auth-pam.c
@@ -48,7 +48,7 @@
#include <signal.h>
#include <syslog.h>
#include "utils.h"
-
+#include <arpa/inet.h>
#include <openvpn-plugin.h>
#define DEBUG(verb) ((verb) >= 4)
@@ -115,7 +115,7 @@ struct user_pass {
char password[128];
char common_name[128];
char response[128];
- char remote[46]; //46 as ipv6 form n:n:n:n:n:n:d.d.d.d and + terminator \0
+ char remote[INET6_ADDRSTRLEN+1]; //INET6_ADDRSTRLEN is the lenght of ipv6
+ terminator \0
const struct name_value_list *name_value_list;
};
@@ -518,12 +518,14 @@ openvpn_plugin_func_v1(openvpn_plugin_handle_t handle,
const int type, const cha
const char *username = get_env("username", envp);
const char *password = get_env("password", envp);
const char *common_name = get_env("common_name", envp) ?
get_env("common_name", envp) : "";
+
const char *remote = get_env("untrusted_ip6", envp);
if (remote == NULL){
- remote = get_env("untrusted_ip", envp); //try to take ipv4 if
not set ipv6
+ remote = get_env("untrusted_ip", envp); //if Null, try to take
ipv4 if not set ipv6
}
+
if (username && strlen(username) > 0 && password)
{
if (send_control(context->foreground_fd, COMMAND_VERIFY) == -1
--
2.26.0
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