X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Finfo.c;fp=src%2Finfo.c;h=0000000000000000000000000000000000000000;hb=66636a6030e0d236d5c0b57170705649d081a31a;hp=af085bc3633cbd73857dfb672c723a6ac5e11f76;hpb=1ffa0e102dc0d036241ee1ea2a13df42526c0872;p=meshlink diff --git a/src/info.c b/src/info.c deleted file mode 100644 index af085bc3..00000000 --- a/src/info.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - info.c -- Show information about a node, subnet or address - Copyright (C) 2012-2013 Guus Sliepen - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include "system.h" - -#include "control_common.h" -#include "list.h" -#include "subnet.h" -#include "tincctl.h" -#include "info.h" -#include "xalloc.h" - -void logger(int level, int priority, const char *format, ...) { - va_list ap; - va_start(ap, format); - vfprintf(stderr, format, ap); - va_end(ap); - fputc('\n', stderr); -} - -char *strip_weight(char *netstr) { - int len = strlen(netstr); - if(len >= 3 && !strcmp(netstr + len - 3, "#10")) - netstr[len - 3] = 0; - return netstr; -} - -static int info_node(int fd, const char *item) { - // Check the list of nodes - sendline(fd, "%d %d %s", CONTROL, REQ_DUMP_NODES, item); - - bool found = false; - char line[4096]; - - char node[4096]; - char from[4096]; - char to[4096]; - char subnet[4096]; - char host[4096]; - char port[4096]; - char via[4096]; - char nexthop[4096]; - int code, req, cipher, digest, maclength, compression, distance; - short int pmtu, minmtu, maxmtu; - unsigned int options; - union { - node_status_t bits; - uint32_t raw; - } status_union; - node_status_t status; - long int last_state_change; - - while(recvline(fd, line, sizeof line)) { - int n = sscanf(line, "%d %d %s %s port %s %d %d %d %d %x %"PRIx32" %s %s %d %hd %hd %hd %ld", &code, &req, node, host, port, &cipher, &digest, &maclength, &compression, &options, &status_union.raw, nexthop, via, &distance, &pmtu, &minmtu, &maxmtu, &last_state_change); - - if(n == 2) - break; - - if(n != 18) { - fprintf(stderr, "Unable to parse node dump from tincd.\n"); - return 1; - } - - if(!strcmp(node, item)) { - found = true; - break; - } - } - - if(!found) { - fprintf(stderr, "Unknown node %s.\n", item); - return 1; - } - - while(recvline(fd, line, sizeof line)) { - if(sscanf(line, "%d %d %s", &code, &req, node) == 2) - break; - } - - printf("Node: %s\n", item); - printf("Address: %s port %s\n", host, port); - - char timestr[32] = "never"; - time_t lsc_time = last_state_change; - - if(last_state_change) - strftime(timestr, sizeof timestr, "%Y-%m-%d %H:%M:%S", localtime(&lsc_time)); - - status = status_union.bits; - - if(status.reachable) - printf("Online since: %s\n", timestr); - else - printf("Last seen: %s\n", timestr); - - printf("Status: "); - if(status.validkey) - printf(" validkey"); - if(status.visited) - printf(" visited"); - if(status.reachable) - printf(" reachable"); - if(status.indirect) - printf(" indirect"); - if(status.sptps) - printf(" sptps"); - if(status.udp_confirmed) - printf(" udp_confirmed"); - printf("\n"); - - printf("Options: "); - if(options & OPTION_INDIRECT) - printf(" indirect"); - if(options & OPTION_TCPONLY) - printf(" tcponly"); - if(options & OPTION_PMTU_DISCOVERY) - printf(" pmtu_discovery"); - if(options & OPTION_CLAMP_MSS) - printf(" clamp_mss"); - printf("\n"); - printf("Protocol: %d.%d\n", PROT_MAJOR, OPTION_VERSION(options)); - printf("Reachability: "); - if(!strcmp(host, "MYSELF")) - printf("can reach itself\n"); - else if(!status.reachable) - printf("unreachable\n"); - else if(strcmp(via, item)) - printf("indirectly via %s\n", via); - else if(!status.validkey) - printf("unknown\n"); - else if(minmtu > 0) - printf("directly with UDP\nPMTU: %d\n", pmtu); - else if(!strcmp(nexthop, item)) - printf("directly with TCP\n"); - else - printf("none, forwarded via %s\n", nexthop); - - // List edges - printf("Edges: "); - sendline(fd, "%d %d %s", CONTROL, REQ_DUMP_EDGES, item); - while(recvline(fd, line, sizeof line)) { - int n = sscanf(line, "%d %d %s %s", &code, &req, from, to); - if(n == 2) - break; - if(n != 4) { - fprintf(stderr, "Unable to parse edge dump from tincd.\n%s\n", line); - return 1; - } - if(!strcmp(from, item)) - printf(" %s", to); - } - printf("\n"); - - // List subnets - printf("Subnets: "); - sendline(fd, "%d %d %s", CONTROL, REQ_DUMP_SUBNETS, item); - while(recvline(fd, line, sizeof line)) { - int n = sscanf(line, "%d %d %s %s", &code, &req, subnet, from); - if(n == 2) - break; - if(n != 4) { - fprintf(stderr, "Unable to parse subnet dump from tincd.\n"); - return 1; - } - if(!strcmp(from, item)) - printf(" %s", strip_weight(subnet)); - } - printf("\n"); - - return 0; -} - -static int info_subnet(int fd, const char *item) { - subnet_t subnet, find; - - if(!str2net(&find, item)) { - fprintf(stderr, "Could not parse subnet or address '%s'.\n", item); - return 1; - } - - bool address = !strchr(item, '/'); - bool weight = strchr(item, '#'); - bool found = false; - - char line[4096]; - char netstr[4096]; - char owner[4096]; - - int code, req; - - sendline(fd, "%d %d %s", CONTROL, REQ_DUMP_SUBNETS, item); - while(recvline(fd, line, sizeof line)) { - int n = sscanf(line, "%d %d %s %s", &code, &req, netstr, owner); - if(n == 2) - break; - - if(n != 4 || !str2net(&subnet, netstr)) { - fprintf(stderr, "Unable to parse subnet dump from tincd.\n"); - return 1; - } - - if(find.type != subnet.type) - continue; - - if(weight) { - if(find.weight != subnet.weight) - continue; - } - - if(find.type == SUBNET_IPV4) { - if(address) { - if(maskcmp(&find.net.ipv4.address, &subnet.net.ipv4.address, subnet.net.ipv4.prefixlength)) - continue; - } else { - if(find.net.ipv4.prefixlength != subnet.net.ipv4.prefixlength) - continue; - if(memcmp(&find.net.ipv4.address, &subnet.net.ipv4.address, sizeof subnet.net.ipv4)) - continue; - } - } else if(find.type == SUBNET_IPV6) { - if(address) { - if(maskcmp(&find.net.ipv6.address, &subnet.net.ipv6.address, subnet.net.ipv6.prefixlength)) - continue; - } else { - if(find.net.ipv6.prefixlength != subnet.net.ipv6.prefixlength) - continue; - if(memcmp(&find.net.ipv6.address, &subnet.net.ipv6.address, sizeof subnet.net.ipv6)) - continue; - } - } if(find.type == SUBNET_MAC) { - if(memcmp(&find.net.mac.address, &subnet.net.mac.address, sizeof subnet.net.mac)) - continue; - } - - found = true; - printf("Subnet: %s\n", strip_weight(netstr)); - printf("Owner: %s\n", owner); - } - - if(!found) { - if(address) - fprintf(stderr, "Unknown address %s.\n", item); - else - fprintf(stderr, "Unknown subnet %s.\n", item); - return 1; - } - - return 0; -} - -int info(int fd, const char *item) { - if(check_id(item)) - return info_node(fd, item); - if(strchr(item, '.') || strchr(item, ':')) - return info_subnet(fd, item); - - fprintf(stderr, "Argument is not a node name, subnet or address.\n"); - return 1; -}