char *
nm_dhcp_dhclient_create_config (const char *interface,
gboolean is_ip6,
const char *dhcp_client_id,
const char *anycast_addr,
const char *hostname,
const char *orig_path,
const char *orig_contents)
{
GString *new_contents;
GPtrArray *alsoreq;
int i;
g_return_val_if_fail (!anycast_addr || nm_utils_hwaddr_valid (anycast_addr, ETH_ALEN), NULL);
new_contents = g_string_new (_("# Created by NetworkManager\n"));
alsoreq = g_ptr_array_sized_new (5);
if (orig_contents) {
char **lines, **line;
gboolean in_alsoreq = FALSE;
g_string_append_printf (new_contents, _("# Merged from %s\n\n"), orig_path);
lines = g_strsplit_set (orig_contents, "\n\r", 0);
for (line = lines; lines && *line; line++) {
char *p = *line;
if (!strlen (g_strstrip (p)))
continue;
/* Override config file "dhcp-client-id" and use one from the
* connection.
*/
if (dhcp_client_id && !strncmp (p, CLIENTID_TAG, strlen (CLIENTID_TAG)))
continue;
/* Override config file hostname and use one from the connection */
if (hostname) {
if (strncmp (p, HOSTNAME4_TAG, strlen (HOSTNAME4_TAG)) == 0)
continue;
if (strncmp (p, HOSTNAME6_TAG, strlen (HOSTNAME6_TAG)) == 0)
continue;
}
/* Ignore 'script' since we pass our own */
if (g_str_has_prefix (p, "script "))
continue;
/* Check for "also require" */
if (!strncmp (p, ALSOREQ_TAG, strlen (ALSOREQ_TAG))) {
in_alsoreq = TRUE;
p += strlen (ALSOREQ_TAG);
}
if (in_alsoreq) {
char **areq, **aiter;
/* Grab each 'also require' option and save for later */
areq = g_strsplit_set (p, "\t ,", -1);
for (aiter = areq; aiter && *aiter; aiter++) {
if (!strlen (g_strstrip (*aiter)))
continue;
if (*aiter[0] == ';') {
/* all done */
in_alsoreq = FALSE;
break;
}
if (!g_ascii_isalnum ((*aiter)[0]))
continue;
if ((*aiter)[strlen (*aiter) - 1] == ';') {
/* Remove the EOL marker */
(*aiter)[strlen (*aiter) - 1] = '\0';
in_alsoreq = FALSE;
}
add_also_request (alsoreq, *aiter);
}
if (areq)
g_strfreev (areq);
continue;
}
/* Existing configuration line is OK, add it to new configuration */
g_string_append (new_contents, *line);
g_string_append_c (new_contents, '\n');
}
if (lines)
g_strfreev (lines);
} else
g_string_append_c (new_contents, '\n');
if (is_ip6) {
add_ip6_config (new_contents, hostname);
add_also_request (alsoreq, "dhcp6.name-servers");
add_also_request (alsoreq, "dhcp6.domain-search");
add_also_request (alsoreq, "dhcp6.client-id");
} else {
add_ip4_config (new_contents, dhcp_client_id, hostname);
add_also_request (alsoreq, "rfc3442-classless-static-routes");
add_also_request (alsoreq, "ms-classless-static-routes");
add_also_request (alsoreq, "static-routes");
add_also_request (alsoreq, "wpad");
add_also_request (alsoreq, "ntp-servers");
}
/* And add it to the dhclient configuration */
for (i = 0; i < alsoreq->len; i++) {
char *t = g_ptr_array_index (alsoreq, i);
g_string_append_printf (new_contents, "also request %s;\n", t);
g_free (t);
}
g_ptr_array_free (alsoreq, TRUE);
g_string_append_c (new_contents, '\n');
if (anycast_addr) {
g_string_append_printf (new_contents, "interface \"%s\" {\n"
" initial-interval 1; \n"
" anycast-mac ethernet %s;\n"
"}\n",
interface, anycast_addr);
}
return g_string_free (new_contents, FALSE);
}
char *
nm_dhcp_dhclient_create_config (const char *interface,
NMSettingIP4Config *s_ip4,
guint8 *anycast_addr,
const char *hostname,
const char *orig_path,
const char *orig_contents)
{
GString *new_contents;
GPtrArray *alsoreq;
int i;
new_contents = g_string_new (_("# Created by NetworkManager\n"));
alsoreq = g_ptr_array_sized_new (5);
if (orig_contents) {
char **lines, **line;
gboolean in_alsoreq = FALSE;
g_string_append_printf (new_contents, _("# Merged from %s\n\n"), orig_path);
lines = g_strsplit_set (orig_contents, "\n\r", 0);
for (line = lines; lines && *line; line++) {
char *p = *line;
if (!strlen (g_strstrip (p)))
continue;
/* Override config file "dhcp-client-id" and use one from the
* connection.
*/
if ( s_ip4
&& nm_setting_ip4_config_get_dhcp_client_id (s_ip4)
&& !strncmp (p, CLIENTID_TAG, strlen (CLIENTID_TAG)))
continue;
/* Override config file hostname and use one from the connection */
if (hostname && !strncmp (p, HOSTNAME_TAG, strlen (HOSTNAME_TAG)))
continue;
/* Check for "also require" */
if (!strncmp (p, ALSOREQ_TAG, strlen (ALSOREQ_TAG))) {
in_alsoreq = TRUE;
p += strlen (ALSOREQ_TAG);
}
if (in_alsoreq) {
char **areq, **aiter;
/* Grab each 'also require' option and save for later */
areq = g_strsplit_set (p, "\t ,", -1);
for (aiter = areq; aiter && *aiter; aiter++) {
if (!strlen (g_strstrip (*aiter)))
continue;
if (*aiter[0] == ';') {
/* all done */
in_alsoreq = FALSE;
break;
}
if (!isalnum ((*aiter)[0]))
continue;
if ((*aiter)[strlen (*aiter) - 1] == ';') {
/* Remove the EOL marker */
(*aiter)[strlen (*aiter) - 1] = '\0';
in_alsoreq = FALSE;
}
add_also_request (alsoreq, *aiter);
}
if (areq)
g_strfreev (areq);
continue;
}
/* Existing configuration line is OK, add it to new configuration */
g_string_append (new_contents, *line);
g_string_append_c (new_contents, '\n');
}
if (lines)
g_strfreev (lines);
} else
g_string_append_c (new_contents, '\n');
/* Add NM options from connection */
if (s_ip4) {
const char *tmp;
gboolean added = FALSE;
tmp = nm_setting_ip4_config_get_dhcp_client_id (s_ip4);
if (tmp) {
gboolean is_octets = TRUE;
const char *p = tmp;
while (*p) {
if (!isxdigit (*p) && (*p != ':')) {
is_octets = FALSE;
break;
}
p++;
}
/* If the client ID is just hex digits and : then don't use quotes,
* because dhclient expects either a quoted ASCII string, or a byte
* array formated as hex octets separated by :
*/
if (is_octets)
g_string_append_printf (new_contents, CLIENTID_FORMAT_OCTETS "\n", tmp);
else
g_string_append_printf (new_contents, CLIENTID_FORMAT "\n", tmp);
added = TRUE;
}
if (hostname) {
char *plain_hostname, *dot;
plain_hostname = g_strdup (hostname);
dot = strchr (plain_hostname, '.');
/* get rid of the domain */
if (dot)
*dot = '\0';
g_string_append_printf (new_contents, HOSTNAME_FORMAT "\n", plain_hostname);
added = TRUE;
g_free (plain_hostname);
}
if (added)
g_string_append_c (new_contents, '\n');
}
/* Define options for classless static routes */
g_string_append (new_contents,
"option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;\n");
g_string_append (new_contents,
"option ms-classless-static-routes code 249 = array of unsigned integer 8;\n");
/* Web Proxy Auto-Discovery option (bgo #368423) */
g_string_append (new_contents, "option wpad code 252 = string;\n");
g_string_append_c (new_contents, '\n');
/* Everything we want to request from the DHCP server */
add_also_request (alsoreq, "rfc3442-classless-static-routes");
add_also_request (alsoreq, "ms-classless-static-routes");
add_also_request (alsoreq, "wpad");
add_also_request (alsoreq, "ntp-servers");
/* And add it to the dhclient configuration */
for (i = 0; i < alsoreq->len; i++) {
char *t = g_ptr_array_index (alsoreq, i);
g_string_append_printf (new_contents, "also request %s;\n", t);
g_free (t);
}
g_ptr_array_free (alsoreq, TRUE);
g_string_append_c (new_contents, '\n');
if (anycast_addr) {
g_string_append_printf (new_contents, "interface \"%s\" {\n"
" initial-interval 1; \n"
" anycast-mac ethernet %02x:%02x:%02x:%02x:%02x:%02x;\n"
"}\n",
interface,
anycast_addr[0], anycast_addr[1],
anycast_addr[2], anycast_addr[3],
anycast_addr[4], anycast_addr[5]);
}
return g_string_free (new_contents, FALSE);
}
