Start implementation of import
Max Moser
parent
3bb3c292bb
commit
41d3c7d065
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@ -777,6 +777,216 @@ inline_blob_write_out (const InlineBlobData *data, GError **error)
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/*****************************************************************************/
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static gboolean
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_parse_common (const char **line, int *idx, char **out_error)
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{
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int len = 0;
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while(line && line[len]){
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len++;
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}
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// TODO what happens when we have KEY=VALUE?
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if(!line[0]){
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*out_error = g_strdup_printf("Nothing found in the line");
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return FALSE;
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}
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else if(!line[1]){
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*out_error = g_strdup_printf("No value found for setting '%s'", line[0]);
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return FALSE;
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}
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else if(!g_strcmp0("=", line[1])){
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// we have an equals sign included
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// KEY = VALUE
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if(!line[2]){
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*out_error = g_strdup_printf("Expected line to be of form KEY = VALUE");
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return FALSE;
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}
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*idx = 2;
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}
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else{
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// we don't have an equals sign included
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// KEY VALUE
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*idx = 1;
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}
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return TRUE;
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}
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static gboolean
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parse_endpoint(const char **line, char **endpoint, char **out_error)
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{
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int idx = 0;
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if(!_parse_common(line, &idx, out_error)){
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*endpoint = NULL;
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return FALSE;
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}
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*endpoint = g_strdup(line[idx]);
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return TRUE;
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}
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static gboolean
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parse_listen_port(const char **line, char **port, char **out_error)
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{
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int idx = 0;
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if(!_parse_common(line, &idx, out_error)){
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return FALSE;
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}
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*port = g_strdup(line[idx]);
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if(!g_ascii_string_to_unsigned(*port, 10, 0, 65535, NULL, NULL)){
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*out_error = g_strdup_printf("'%s' is not a valid port assignment!", *port);
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g_free(*port);
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*port = NULL;
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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parse_private_key(const char **line, char **key, char **out_error)
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{
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int idx = 0;
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if(!_parse_common(line, &idx, out_error)){
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*key = NULL;
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return FALSE;
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}
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*key = g_strdup(line[idx]);
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// TODO check if base64?
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// TOOD check length?
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return TRUE;
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}
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#define parse_public_key(line, key, out_error) parse_private_key(line, key, out_error)
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static gboolean
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parse_preshared_key(const char **line, char **key, char **out_error)
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{
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int idx = 0;
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if(!_parse_common(line, &idx, out_error)){
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*key = NULL;
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return FALSE;
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}
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*key = g_strdup(line[idx]);
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// TODO any checks?
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return TRUE;
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}
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static gboolean
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_is_ip4(char *addr)
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{
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int idx = 0;
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int dots = 0;
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while(addr && addr[idx]){
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if(addr[idx] == '.'){
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dots++;
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}
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idx++;
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}
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if(dots != 3){
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return FALSE;
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}
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// might have a subnet suffix after a slash (e.g. 192.168.1.254/24)
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// might have a port suffix after a colon (e.g. 192.168.1.254:8080)
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return TRUE;
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}
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static gboolean
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_is_ip6(char *addr)
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{
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return TRUE;
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}
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static char *
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_parse_ip4_address(char *address)
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{
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char *ip4 = g_strdup(address);
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size_t len = strlen(ip4);
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// if there is a trailing comma, remove it
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// -- might be, because the config can have an IP4 and IP6
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if(ip4[len - 1] == ','){
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ip4[len - 1] = '\0';
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}
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if(!_is_ip4(ip4)){
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g_free(ip4);
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ip4 = NULL;
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}
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return ip4;
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}
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static char *
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_parse_ip6_address(char *address)
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{
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char *ip6 = g_strdup(address);
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size_t len = strlen(ip6);
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// same as for IP4
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if(ip6[len - 1] == ','){
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ip6[len - 1] = '\0';
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}
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if(!_is_ip6(ip6)){
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g_free(ip6);
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ip6 = NULL;
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}
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return ip6;
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}
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static gboolean
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parse_address(const char **line, char **ip4_address, char **ip6_address, char **out_error)
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{
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int idx = 0;
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char *ip4 = NULL;
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char *ip6 = NULL;
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if(!_parse_common(line, &idx, out_error)){
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*ip4_address = NULL;
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*ip6_address = NULL;
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return FALSE;
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}
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while(line && line[idx]){
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ip4 = _parse_ip4_address(line[idx]);
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if(ip4){
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printf("Found IP4: %s\n", ip4);
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*ip4_address = ip4;
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idx++;
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continue;
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}
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ip6 = _parse_ip6_address(line[idx]);
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if(ip6){
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printf("Found IP6: %s\n", ip6);
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*ip6_address = ip6;
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}
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idx++;
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}
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return TRUE;
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}
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NMConnection *
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do_import (const char *path, const char *contents, gsize contents_len, GError **error)
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{
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@ -858,6 +1068,121 @@ do_import (const char *path, const char *contents, gsize contents_len, GError **
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g_assert (params[0]);
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// interface section
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_INTERFACE)){
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printf("contgrats! you found the %s section!\n", params[0]);
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_LISTEN_PORT)){
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char *port = NULL;
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if(!parse_listen_port(params, &port, &line_error)){
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goto handle_line_error;
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}
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// TODO
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printf("Port: %s\n", port);
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_ADDRESS)){
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char *addr4 = NULL;
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char *addr6 = NULL;
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if(!parse_address(params, &addr4, &addr6, &line_error)){
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goto handle_line_error;
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}
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printf("You have IP4: %s\n", addr4);
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printf("You have IP6: %s\n", addr6);
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// TODO probably needs further processing because format is
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// Address = 0.0.0.1, ::1
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// i.e. there might be a comma after the first address
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_PRIVATE_KEY)){
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char *key = NULL;
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if(!parse_private_key(params, &key, &line_error)){
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goto handle_line_error;
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}
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printf("gonna leak your private key now: %s\n", key);
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_PRESHARED_KEY)){
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char *psk = NULL;
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if(!parse_preshared_key(params, &psk, &line_error)){
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goto handle_line_error;
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}
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printf("*gasp* your secret really is: %s?\n", psk);
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_POST_UP)){
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char *script = NULL;
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// TODO
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printf("PostUp: %s\n", params[2]);
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_POST_DOWN)){
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// TODO
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printf("PostDown: %s\n", params[2]);
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continue;
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}
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// peer section
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_PEER)){
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printf("congrats! you found the %s section!\n", params[0]);
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continue;
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}
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if(NM_IN_STRSET (params[0], NMV_WG_TAG_ALLOWED_IPS)){
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printf("Allowed IPs: %s\n", params[2]);
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// TODO
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continue;
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}
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if(NM_IN_STRSET (params[0], NMV_WG_TAG_PUBLIC_KEY)){
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char *key = NULL;
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if(!parse_public_key(params, &key, &line_error)){
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goto handle_line_error;
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}
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printf("Public Key of the peer: %s\n", key);
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continue;
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}
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if (NM_IN_STRSET (params[0], NMV_WG_TAG_ENDPOINT)){
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char *endpoint;
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if(!parse_endpoint(params, &endpoint, &line_error)){
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goto handle_line_error;
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}
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/*
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if (params[1] && !g_strcmp0("=", params[1])){
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if(!params[2]){
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line_error = g_strdup_printf("Endpoint expects at least one IP address");
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goto handle_line_error;
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}
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} else {
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printf("There was no equals sign.\n");
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}
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printf("Have you heard the one about Wireguard and Endpoints already?\n");
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printf("%s...\n", params[1]);
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if(params[1] && params[2]){
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printf("> %s...\n", params[2]);
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}
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*/
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printf("Endpoint: %s\n", endpoint);
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continue;
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}
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/*************************************************************************************/
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/* allow for a leading double-dash and skip over it (bypass_doubledash). */
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if (g_str_has_prefix (params[0], "--"))
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params[0] = ¶ms[0][2];
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