X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fcontrol.c;h=7f46a7093dd0e16ede03e247b6189c6e81c39898;hb=fec279a9c54ec8a13bd1ba4c7bec0d2a15454992;hp=220781518848adbcea16cd1b789e4a1abb661788;hpb=edebf579f2ea29e6e84360cb13731f5858a1555b;p=tinc diff --git a/src/control.c b/src/control.c index 22078151..7f46a709 100644 --- a/src/control.c +++ b/src/control.c @@ -24,15 +24,17 @@ #include "control_common.h" #include "graph.h" #include "logger.h" +#include "meta.h" +#include "net.h" +#include "netutl.h" #include "protocol.h" +#include "route.h" +#include "splay_tree.h" #include "utils.h" #include "xalloc.h" -static int control_socket = -1; -static struct event control_event; -static splay_tree_t *control_socket_tree; char controlcookie[65]; -extern char *controlcookiename; +extern char *pidfilename; static bool control_return(connection_t *c, int type, int error) { return send_request(c, "%d %d %d", CONTROL, type, error); @@ -95,34 +97,74 @@ bool control_h(connection_t *c, char *request) { int result = reload_configuration(); return control_return(c, REQ_RELOAD, result); + case REQ_DISCONNECT: { + char name[MAX_STRING_SIZE]; + connection_t *other; + splay_node_t *node, *next; + bool found = false; + + if(sscanf(request, "%*d %*d " MAX_STRING, name) != 1) + return control_return(c, REQ_DISCONNECT, -1); + + for(node = connection_tree->head; node; node = next) { + next = node->next; + other = node->data; + if(strcmp(other->name, name)) + continue; + terminate_connection(other, other->status.active); + found = true; + } + + return control_return(c, REQ_DISCONNECT, found ? 0 : -2); + } + + case REQ_DUMP_TRAFFIC: + return dump_traffic(c); + + case REQ_PCAP: + c->status.pcap = true; + pcap = true; + return true; + default: return send_request(c, "%d %d", CONTROL, REQ_INVALID); } } -bool init_control() { +bool init_control(void) { randomize(controlcookie, sizeof controlcookie / 2); bin2hex(controlcookie, controlcookie, sizeof controlcookie / 2); - controlcookie[sizeof controlcookie - 1] = 0; - FILE *f = fopen(controlcookiename, "w"); + FILE *f = fopen(pidfilename, "w"); if(!f) { - logger(LOG_ERR, "Cannot write control socket cookie file %s: %s", controlcookiename, strerror(errno)); + logger(LOG_ERR, "Cannot write control socket cookie file %s: %s", pidfilename, strerror(errno)); return false; } #ifdef HAVE_FCHMOD - fchmod(f, 0600); + fchmod(fileno(f), 0600); #else - chmod(controlcookiename, 0600); + chmod(pidfilename, 0600); #endif + // Get the address and port of the first listening socket + + char *localhost = NULL; + sockaddr_t sa; + socklen_t len = sizeof sa; + + if(getsockname(listen_socket[0].tcp, (struct sockaddr *)&sa, &len)) + xasprintf(&localhost, "127.0.0.1 port %d", myport); + else + localhost = sockaddr2hostname(&sa); + + fprintf(f, "%d %s %s\n", (int)getpid(), controlcookie, localhost); - fprintf(f, "%s %s %d\n", controlcookie, myport, getpid()); + free(localhost); fclose(f); return true; } -void exit_control() { - unlink(controlcookiename); +void exit_control(void) { + unlink(pidfilename); }