#include <sys/socket.h>
#include <netdb.h>
+#include <gcrypt.h>
+
#include "routeros_api.h"
+#if 1
+# define mt_debug(...) fprintf (stdout, __VA_ARGS__)
+#else
+# define mt_debug(...) /**/
+#endif
/* FIXME */
char *strdup (const char *);
mt_reply_t *next;
};
+struct mt_login_data_s
+{
+ const char *username;
+ const char *password;
+};
+typedef struct mt_login_data_s mt_login_data_t;
+
/*
* Private functions
*/
size_t i;
int status;
+ /* FIXME: For debugging only */
+ memset (buffer, 0, sizeof (buffer));
+
buffer_ptr = buffer;
buffer_size = sizeof (buffer);
return (status);
buffer_ptr = buffer;
+ buffer_size = sizeof (buffer) - buffer_size;
while (buffer_size > 0)
{
ssize_t bytes_written;
struct addrinfo *ai_ptr;
int status;
+ mt_debug ("create_socket (node = %s, service = %s);\n",
+ node, service);
+
memset (&ai_hint, 0, sizeof (ai_hint));
#ifdef AI_ADDRCONFIG
ai_hint.ai_flags |= AI_ADDRCONFIG;
fd = socket (ai_ptr->ai_family, ai_ptr->ai_socktype,
ai_ptr->ai_protocol);
if (fd < 0)
+ {
+ mt_debug ("create_socket: socket(2) failed.\n");
continue;
+ }
status = connect (fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
if (status != 0)
{
+ mt_debug ("create_socket: connect(2) failed.\n");
close (fd);
continue;
}
return (-1);
} /* }}} int create_socket */
+static int login2_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */
+ void *user_data)
+{
+ if (r == NULL)
+ return (EINVAL);
+
+ printf ("login2_handler has been called.\n");
+
+ return (0);
+} /* }}} int login2_handler */
+
+static void hash_binary_to_hex (char hex[33], uint8_t binary[16]) /* {{{ */
+{
+ int i;
+
+ for (i = 0; i < 16; i++)
+ {
+ char tmp[3];
+ snprintf (tmp, 3, "%02"PRIx8, binary[i]);
+ tmp[2] = 0;
+ hex[2*i] = tmp[0];
+ hex[2*i+1] = tmp[1];
+ }
+ hex[32] = 0;
+} /* }}} void hash_binary_to_hex */
+
+static void hash_hex_to_binary (uint8_t binary[16], char hex[33]) /* {{{ */
+{
+ int i;
+
+ for (i = 0; i < 16; i++)
+ {
+ char tmp[3];
+
+ tmp[0] = hex[2*i];
+ tmp[1] = hex[2*i + 1];
+ tmp[2] = 0;
+
+ binary[i] = (uint8_t) strtoul (tmp, /* endptr = */ NULL, /* base = */ 16);
+ }
+} /* }}} void hash_hex_to_binary */
+
+static void make_password_hash (char response_hex[33], /* {{{ */
+ const char *password, size_t password_length, char challenge_hex[33])
+{
+ uint8_t challenge_bin[16];
+ uint8_t response_bin[16];
+ char data_buffer[password_length+17];
+ gcry_md_hd_t md_handle;
+
+ hash_hex_to_binary (challenge_bin, challenge_hex);
+
+ data_buffer[0] = 0;
+ memcpy (&data_buffer[1], password, password_length);
+ memcpy (&data_buffer[1+password_length], challenge_bin, 16);
+
+ gcry_md_open (&md_handle, GCRY_MD_MD5, /* flags = */ 0);
+ gcry_md_write (md_handle, data_buffer, sizeof (data_buffer));
+ memcpy (response_bin, gcry_md_read (md_handle, GCRY_MD_MD5), 16);
+ gcry_md_close (md_handle);
+
+ hash_binary_to_hex (response_hex, response_bin);
+} /* }}} void make_password_hash */
+
+static int login_handler (mt_connection_t *c, const mt_reply_t *r, /* {{{ */
+ void *user_data)
+{
+ const char *ret;
+ char challenge_hex[33];
+ char response_hex[33];
+ mt_login_data_t *login_data;
+
+ const char *params[2];
+ char param_name[1024];
+ char param_response[64];
+
+ if (r == NULL)
+ return (EINVAL);
+
+ printf ("login_handler has been called.\n");
+
+ login_data = user_data;
+ if (login_data == NULL)
+ return (EINVAL);
+
+ ret = mt_reply_param_val_by_key (r, "ret");
+ if (ret == NULL)
+ {
+ mt_debug ("login_handler: Reply does not have parameter \"ret\".\n");
+ return (EPROTO);
+ }
+ mt_debug ("login_handler: ret = %s;\n", ret);
+
+ if (strlen (ret) != 32)
+ {
+ mt_debug ("login_handler: Unexpected length of the \"ret\" argument.\n");
+ return (EPROTO);
+ }
+ strcpy (challenge_hex, ret);
+
+ make_password_hash (response_hex,
+ login_data->password, strlen (login_data->password),
+ challenge_hex);
+
+ snprintf (param_name, sizeof (param_name), "=name=%s", login_data->username);
+ snprintf (param_response, sizeof (param_response),
+ "=response=00%s", response_hex);
+ params[0] = param_name;
+ params[1] = param_response;
+
+ return (mt_query (c, "/login", 2, params, login2_handler,
+ /* user data = */ NULL));
+} /* }}} int login_handler */
+
/*
* Public functions
*/
{
int fd;
mt_connection_t *c;
+ int status;
+ mt_login_data_t user_data;
if ((node == NULL) || (username == NULL) || (password == NULL))
return (NULL);
c->fd = fd;
+ user_data.username = username;
+ user_data.password = password;
+ status = mt_query (c, "/login", /* args num = */ 0, /* args = */ NULL,
+ login_handler, &user_data);
+
return (c);
} /* }}} mt_connection_t *mt_connect */
int mt_query (mt_connection_t *c, /* {{{ */
const char *command,
size_t args_num, const char * const *args,
- mt_reply_handler_t *handler, void *user_data)
+ mt_reply_handler_t handler, void *user_data)
{
int status;
mt_reply_t *r;
return (ret);
} /* }}} int mt_reply_num */
+const char *mt_reply_status (const mt_reply_t *r) /* {{{ */
+{
+ if (r == NULL)
+ return (NULL);
+ return (r->status);
+} /* }}} char *mt_reply_status */
+
const char *mt_reply_param_key_by_index (const mt_reply_t *r, /* {{{ */
unsigned int index)
{
projects / routeros-api.git / blobdiff