X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fprotocol_edge.c;h=b5de2821c8d28f7c303510fcce26840aa0ff6337;hb=3be622ad230c70e9753f9f9737333a2f803b125e;hp=6788109847371e0afb7e6dd7ff754cf11661a0cb;hpb=f712fdc0b3de22566cdf06954256c62f46f25542;p=meshlink diff --git a/src/protocol_edge.c b/src/protocol_edge.c index 67881098..b5de2821 100644 --- a/src/protocol_edge.c +++ b/src/protocol_edge.c @@ -32,18 +32,51 @@ #include "protocol.h" #include "utils.h" #include "xalloc.h" - -extern bool node_write_devclass(meshlink_handle_t *mesh, node_t *n); +#include "submesh.h" bool send_add_edge(meshlink_handle_t *mesh, connection_t *c, const edge_t *e, int contradictions) { bool x; char *address, *port; + char *from_submesh, *to_submesh; + submesh_t *s = NULL; + + if(c->node && c->node->submesh) { + if(!submesh_allows_node(e->from->submesh, c->node)) { + return true; + } + + if(!submesh_allows_node(e->to->submesh, c->node)) { + return true; + } + } + + if(e->from->submesh && e->to->submesh && (e->from->submesh != e->to->submesh)) { + return true; + } sockaddr2str(&e->address, &address, &port); - x = send_request(mesh, c, "%d %x %s %d %s %s %s %d %x %d %d", ADD_EDGE, rand(), - e->from->name, e->from->devclass, e->to->name, address, port, e->to->devclass, - e->options, e->weight, contradictions); + if(e->from->submesh) { + from_submesh = e->from->submesh->name; + } else { + from_submesh = CORE_MESH; + } + + if(e->to->submesh) { + to_submesh = e->to->submesh->name; + } else { + to_submesh = CORE_MESH; + } + + if(e->from->submesh) { + s = e->from->submesh; + } else { + s = e->to->submesh; + } + + x = send_request(mesh, c, s, "%d %x %s %d %s %s %s %s %d %s %x %d %d", ADD_EDGE, rand(), + e->from->name, e->from->devclass, from_submesh, e->to->name, address, port, + e->to->devclass, to_submesh, e->options, e->weight, contradictions); free(address); free(port); @@ -55,28 +88,25 @@ bool add_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { node_t *from, *to; char from_name[MAX_STRING_SIZE]; int from_devclass; + char from_submesh_name[MAX_STRING_SIZE] = ""; char to_name[MAX_STRING_SIZE]; char to_address[MAX_STRING_SIZE]; char to_port[MAX_STRING_SIZE]; int to_devclass; + char to_submesh_name[MAX_STRING_SIZE] = ""; sockaddr_t address; uint32_t options; int weight; int contradictions = 0; + submesh_t *s = NULL; - if(sscanf(request, "%*d %*x "MAX_STRING" %d "MAX_STRING" "MAX_STRING" "MAX_STRING" %d %x %d %d", - from_name, &from_devclass, to_name, to_address, to_port, &to_devclass, &options, &weight, &contradictions) < 8) { + if(sscanf(request, "%*d %*x "MAX_STRING" %d "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" %d "MAX_STRING" %x %d %d", + from_name, &from_devclass, from_submesh_name, to_name, to_address, to_port, &to_devclass, to_submesh_name, + &options, &weight, &contradictions) < 10) { logger(mesh, MESHLINK_ERROR, "Got bad %s from %s", "ADD_EDGE", c->name); return false; } - /* Check if names are valid */ - - if(!check_id(from_name) || !check_id(to_name)) { - logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "invalid name"); - return false; - } - // Check if devclasses are valid if(from_devclass < 0 || from_devclass > _DEV_CLASS_MAX) { @@ -89,6 +119,16 @@ bool add_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { return false; } + if(0 == strcmp(from_submesh_name, "")) { + logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "invalid submesh id"); + return false; + } + + if(0 == strcmp(to_submesh_name, "")) { + logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "invalid submesh id"); + return false; + } + if(seen_request(mesh, request)) { return true; } @@ -100,8 +140,19 @@ bool add_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { if(!from) { from = new_node(); + from->status.dirty = true; from->status.blacklisted = mesh->default_blacklist; from->name = xstrdup(from_name); + from->devclass = from_devclass; + + from->submesh = NULL; + + if(0 != strcmp(from_submesh_name, CORE_MESH)) { + if(!(from->submesh = lookup_or_create_submesh(mesh, from_submesh_name))) { + return false; + } + } + node_add(mesh, from); } @@ -110,18 +161,26 @@ bool add_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { } from->devclass = from_devclass; - node_write_devclass(mesh, from); if(!to) { to = new_node(); + to->status.dirty = true; to->status.blacklisted = mesh->default_blacklist; to->name = xstrdup(to_name); + to->devclass = to_devclass; + + to->submesh = NULL; + + if(0 != strcmp(to_submesh_name, CORE_MESH)) { + if(!(to->submesh = lookup_or_create_submesh(mesh, to_submesh_name))) { + return false; + + } + } + node_add(mesh, to); } - to->devclass = to_devclass; - node_write_devclass(mesh, to); - /* Convert addresses */ address = str2sockaddr(to_address, to_port); @@ -166,19 +225,53 @@ bool add_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { e->weight = weight; edge_add(mesh, e); - /* Tell the rest about the new edge */ - - forward_request(mesh, c, request); - /* Run MST before or after we tell the rest? */ graph(mesh); + if(e->from->submesh && e->to->submesh && (e->from->submesh != e->to->submesh)) { + logger(mesh, MESHLINK_ERROR, "Dropping add edge ( %s to %s )", e->from->submesh->name, e->to->submesh->name); + return false; + } + + if(e->from->submesh) { + s = e->from->submesh; + } else { + s = e->to->submesh; + } + + /* Tell the rest about the new edge */ + + forward_request(mesh, c, s, request); + return true; } bool send_del_edge(meshlink_handle_t *mesh, connection_t *c, const edge_t *e, int contradictions) { - return send_request(mesh, c, "%d %x %s %s %d", DEL_EDGE, rand(), + submesh_t *s = NULL; + + if(c->node && c->node->submesh) { + if(!submesh_allows_node(e->from->submesh, c->node)) { + return true; + } + + if(!submesh_allows_node(e->to->submesh, c->node)) { + return true; + } + } + + if(e->from->submesh && e->to->submesh && (e->from->submesh != e->to->submesh)) { + return true; + } + + + if(e->from->submesh) { + s = e->from->submesh; + } else { + s = e->to->submesh; + } + + return send_request(mesh, c, s, "%d %x %s %s %d", DEL_EDGE, rand(), e->from->name, e->to->name, contradictions); } @@ -188,19 +281,13 @@ bool del_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { char to_name[MAX_STRING_SIZE]; node_t *from, *to; int contradictions = 0; + submesh_t *s = NULL; if(sscanf(request, "%*d %*x "MAX_STRING" "MAX_STRING" %d", from_name, to_name, &contradictions) < 2) { logger(mesh, MESHLINK_ERROR, "Got bad %s from %s", "DEL_EDGE", c->name); return false; } - /* Check if names are valid */ - - if(!check_id(from_name) || !check_id(to_name)) { - logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "DEL_EDGE", c->name, "invalid name"); - return false; - } - if(seen_request(mesh, request)) { return true; } @@ -246,7 +333,21 @@ bool del_edge_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { /* Tell the rest about the deleted edge */ - forward_request(mesh, c, request); + + if(!e->from->submesh || !e->to->submesh || (e->from->submesh == e->to->submesh)) { + if(e->from->submesh) { + s = e->from->submesh; + } else { + s = e->to->submesh; + } + + /* Tell the rest about the deleted edge */ + forward_request(mesh, c, s, request); + + } else { + logger(mesh, MESHLINK_ERROR, "Dropping del edge ( %s to %s )", e->from->submesh->name, e->to->submesh->name); + return false; + } /* Delete the edge */