mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-10 13:13:44 +01:00
Move dirserv/routers code out of main.c
svn:r527
This commit is contained in:
Nick Mathewson
parent
f694ab23f5
commit
df5c7534b1
2
doc/TODO
2
doc/TODO
@ -60,7 +60,7 @@ ARMA . add log convention to the HACKING file
|
||||
keydir under that with fixed names
|
||||
ARMA - tor faq
|
||||
list all other systems, why we're different.
|
||||
NICK - Move (most of) the router/directory code out of main.c
|
||||
o Move (most of) the router/directory code out of main.c
|
||||
|
||||
Mid-term:
|
||||
. Redo scheduler
|
||||
|
||||
@ -10,6 +10,8 @@ static int the_directory_is_dirty = 1;
|
||||
static char *the_directory = NULL;
|
||||
static int the_directory_len = -1;
|
||||
|
||||
static int list_running_servers(char **nicknames_out);
|
||||
|
||||
/************** Fingerprint handling code ************/
|
||||
|
||||
typedef struct fingerprint_entry_t {
|
||||
@ -291,6 +293,46 @@ dirserv_init_from_directory_string(const char *dir)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
list_running_servers(char **nicknames_out)
|
||||
{
|
||||
char *nickname_lst[MAX_ROUTERS_IN_DIR];
|
||||
connection_t **connection_array;
|
||||
int n_conns;
|
||||
connection_t *conn;
|
||||
char *cp;
|
||||
int n = 0, i;
|
||||
int length;
|
||||
*nicknames_out = NULL;
|
||||
nickname_lst[n++] = options.Nickname;
|
||||
|
||||
get_connection_array(&connection_array, &n_conns);
|
||||
for (i = 0; i<n_conns; ++i) {
|
||||
conn = connection_array[i];
|
||||
if (conn->type != CONN_TYPE_OR || conn->state != OR_CONN_STATE_OPEN)
|
||||
continue; /* only list successfully handshaked OR's. */
|
||||
if(!conn->nickname) /* it's an OP, don't list it */
|
||||
continue;
|
||||
nickname_lst[n++] = conn->nickname;
|
||||
}
|
||||
length = n + 1; /* spaces + EOS + 1. */
|
||||
for (i = 0; i<n; ++i) {
|
||||
length += strlen(nickname_lst[i]);
|
||||
}
|
||||
*nicknames_out = tor_malloc(length);
|
||||
cp = *nicknames_out;
|
||||
memset(cp,0,length);
|
||||
for (i = 0; i<n; ++i) {
|
||||
if (i)
|
||||
strcat(cp, " ");
|
||||
strcat(cp, nickname_lst[i]);
|
||||
while (*cp)
|
||||
++cp;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
dirserv_dump_directory_to_string(char *s, int maxlen,
|
||||
crypto_pk_env_t *private_key)
|
||||
|
||||
211
src/or/main.c
211
src/or/main.c
@ -3,9 +3,6 @@
|
||||
/* $Id$ */
|
||||
|
||||
#include "or.h"
|
||||
#ifdef HAVE_UNAME
|
||||
#include <sys/utsname.h>
|
||||
#endif
|
||||
|
||||
/********* START PROTOTYPES **********/
|
||||
|
||||
@ -38,8 +35,6 @@ static crypto_pk_env_t *onionkey=NULL;
|
||||
static crypto_pk_env_t *linkkey=NULL;
|
||||
static crypto_pk_env_t *identitykey=NULL;
|
||||
|
||||
routerinfo_t *my_routerinfo=NULL;
|
||||
|
||||
/********* END VARIABLES ************/
|
||||
|
||||
void set_onion_key(crypto_pk_env_t *k) {
|
||||
@ -279,11 +274,7 @@ static int prepare_for_poll(void) {
|
||||
if(time_to_fetch_directory < now.tv_sec) {
|
||||
/* it's time to fetch a new directory and/or post our descriptor */
|
||||
if(options.OnionRouter) {
|
||||
if (init_descriptor()<0) {
|
||||
log_fn(LOG_WARNING, "Error initializing descriptor. Not uploading desc.");
|
||||
} else {
|
||||
router_upload_desc_to_dirservers();
|
||||
}
|
||||
router_upload_desc_to_dirservers();
|
||||
}
|
||||
if(!options.DirPort) {
|
||||
/* NOTE directory servers do not currently fetch directories.
|
||||
@ -482,7 +473,7 @@ static int init_keys(void)
|
||||
}
|
||||
/* 4. Dump router descriptor to 'router.desc' */
|
||||
/* Must be called after keys are initialized. */
|
||||
if (init_descriptor()<0) {
|
||||
if (!(router_get_my_descriptor())) {
|
||||
log_fn(LOG_ERR, "Error initializing descriptor.");
|
||||
return -1;
|
||||
}
|
||||
@ -681,204 +672,6 @@ static void dumpstats(void) { /* dump stats to stdout */
|
||||
}
|
||||
}
|
||||
|
||||
static void get_platform_str(char *platform, int len)
|
||||
{
|
||||
#ifdef HAVE_UNAME
|
||||
struct utsname u;
|
||||
if (!uname(&u)) {
|
||||
snprintf(platform, len-1, "Tor %s on %s %s %s %s %s",
|
||||
VERSION, u.sysname, u.nodename, u.release, u.version, u.machine);
|
||||
platform[len-1] = '\0';
|
||||
return;
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
snprintf(platform, len-1, "Tor %s", VERSION);
|
||||
}
|
||||
}
|
||||
|
||||
int dump_router_to_string(char *s, int maxlen, routerinfo_t *router,
|
||||
crypto_pk_env_t *ident_key) {
|
||||
char *onion_pkey;
|
||||
char *link_pkey;
|
||||
char *identity_pkey;
|
||||
char platform[256];
|
||||
char digest[20];
|
||||
char signature[128];
|
||||
char published[32];
|
||||
int onion_pkeylen, link_pkeylen, identity_pkeylen;
|
||||
int written;
|
||||
int result=0;
|
||||
struct exit_policy_t *tmpe;
|
||||
|
||||
get_platform_str(platform, sizeof(platform));
|
||||
|
||||
if(crypto_pk_write_public_key_to_string(router->onion_pkey,
|
||||
&onion_pkey,&onion_pkeylen)<0) {
|
||||
log_fn(LOG_WARNING,"write onion_pkey to string failed!");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(crypto_pk_write_public_key_to_string(router->identity_pkey,
|
||||
&identity_pkey,&identity_pkeylen)<0) {
|
||||
log_fn(LOG_WARNING,"write identity_pkey to string failed!");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(crypto_pk_write_public_key_to_string(router->link_pkey,
|
||||
&link_pkey,&link_pkeylen)<0) {
|
||||
log_fn(LOG_WARNING,"write link_pkey to string failed!");
|
||||
return -1;
|
||||
}
|
||||
strftime(published, 32, "%Y-%m-%d %H:%M:%S", gmtime(&router->published_on));
|
||||
|
||||
result = snprintf(s, maxlen,
|
||||
"router %s %s %d %d %d %d\n"
|
||||
"platform %s\n"
|
||||
"published %s\n"
|
||||
"onion-key\n%s"
|
||||
"link-key\n%s"
|
||||
"signing-key\n%s",
|
||||
router->nickname,
|
||||
router->address,
|
||||
router->or_port,
|
||||
router->ap_port,
|
||||
router->dir_port,
|
||||
router->bandwidth,
|
||||
platform,
|
||||
published,
|
||||
onion_pkey, link_pkey, identity_pkey);
|
||||
|
||||
free(onion_pkey);
|
||||
free(link_pkey);
|
||||
free(identity_pkey);
|
||||
|
||||
if(result < 0 || result >= maxlen) {
|
||||
/* apparently different glibcs do different things on snprintf error.. so check both */
|
||||
return -1;
|
||||
}
|
||||
written = result;
|
||||
|
||||
for(tmpe=router->exit_policy; tmpe; tmpe=tmpe->next) {
|
||||
result = snprintf(s+written, maxlen-written, "%s %s:%s\n",
|
||||
tmpe->policy_type == EXIT_POLICY_ACCEPT ? "accept" : "reject",
|
||||
tmpe->address, tmpe->port);
|
||||
if(result < 0 || result+written > maxlen) {
|
||||
/* apparently different glibcs do different things on snprintf error.. so check both */
|
||||
return -1;
|
||||
}
|
||||
written += result;
|
||||
}
|
||||
if (written > maxlen-256) /* Not enough room for signature. */
|
||||
return -1;
|
||||
|
||||
strcat(s+written, "router-signature\n");
|
||||
written += strlen(s+written);
|
||||
s[written] = '\0';
|
||||
if (router_get_router_hash(s, digest) < 0)
|
||||
return -1;
|
||||
|
||||
if (crypto_pk_private_sign(ident_key, digest, 20, signature) < 0) {
|
||||
log_fn(LOG_WARNING, "Error signing digest");
|
||||
return -1;
|
||||
}
|
||||
strcat(s+written, "-----BEGIN SIGNATURE-----\n");
|
||||
written += strlen(s+written);
|
||||
if (base64_encode(s+written, maxlen-written, signature, 128) < 0) {
|
||||
log_fn(LOG_WARNING, "Couldn't base64-encode signature");
|
||||
return -1;
|
||||
}
|
||||
written += strlen(s+written);
|
||||
strcat(s+written, "-----END SIGNATURE-----\n");
|
||||
written += strlen(s+written);
|
||||
|
||||
if (written > maxlen-2)
|
||||
return -1;
|
||||
/* include a last '\n' */
|
||||
s[written] = '\n';
|
||||
s[written+1] = 0;
|
||||
return written+1;
|
||||
}
|
||||
|
||||
int
|
||||
list_running_servers(char **nicknames_out)
|
||||
{
|
||||
char *nickname_lst[MAX_ROUTERS_IN_DIR];
|
||||
connection_t *conn;
|
||||
char *cp;
|
||||
int n = 0, i;
|
||||
int length;
|
||||
*nicknames_out = NULL;
|
||||
if (my_routerinfo)
|
||||
nickname_lst[n++] = my_routerinfo->nickname;
|
||||
for (i = 0; i<nfds; ++i) {
|
||||
conn = connection_array[i];
|
||||
if (conn->type != CONN_TYPE_OR || conn->state != OR_CONN_STATE_OPEN)
|
||||
continue; /* only list successfully handshaked OR's. */
|
||||
if(!conn->nickname) /* it's an OP, don't list it */
|
||||
continue;
|
||||
nickname_lst[n++] = conn->nickname;
|
||||
}
|
||||
length = n + 1; /* spaces + EOS + 1. */
|
||||
for (i = 0; i<n; ++i) {
|
||||
length += strlen(nickname_lst[i]);
|
||||
}
|
||||
*nicknames_out = tor_malloc(length);
|
||||
cp = *nicknames_out;
|
||||
memset(cp,0,length);
|
||||
for (i = 0; i<n; ++i) {
|
||||
if (i)
|
||||
strcat(cp, " ");
|
||||
strcat(cp, nickname_lst[i]);
|
||||
while (*cp)
|
||||
++cp;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static char descriptor[8192];
|
||||
/* XXX should this replace my_routerinfo? */
|
||||
static routerinfo_t *desc_routerinfo;
|
||||
const char *router_get_my_descriptor(void) {
|
||||
log_fn(LOG_DEBUG,"my desc is '%s'",descriptor);
|
||||
return descriptor;
|
||||
}
|
||||
|
||||
static int init_descriptor(void) {
|
||||
routerinfo_t *ri;
|
||||
char localhostname[256];
|
||||
char *address = options.Address;
|
||||
|
||||
if(!address) { /* if not specified in config, we find a default */
|
||||
if(gethostname(localhostname,sizeof(localhostname)) < 0) {
|
||||
log_fn(LOG_WARNING,"Error obtaining local hostname");
|
||||
return -1;
|
||||
}
|
||||
address = localhostname;
|
||||
}
|
||||
ri = tor_malloc(sizeof(routerinfo_t));
|
||||
ri->address = strdup(address);
|
||||
ri->nickname = strdup(options.Nickname);
|
||||
/* No need to set addr. */
|
||||
ri->or_port = options.ORPort;
|
||||
ri->ap_port = options.APPort;
|
||||
ri->dir_port = options.DirPort;
|
||||
ri->published_on = time(NULL);
|
||||
ri->onion_pkey = crypto_pk_dup_key(get_onion_key());
|
||||
ri->link_pkey = crypto_pk_dup_key(get_link_key());
|
||||
ri->identity_pkey = crypto_pk_dup_key(get_identity_key());
|
||||
ri->bandwidth = options.TotalBandwidth;
|
||||
ri->exit_policy = NULL; /* XXX implement this. */
|
||||
if (desc_routerinfo)
|
||||
routerinfo_free(desc_routerinfo);
|
||||
desc_routerinfo = ri;
|
||||
if (dump_router_to_string(descriptor, 8192, ri, get_identity_key())<0) {
|
||||
log_fn(LOG_WARNING, "Couldn't dump router to string.");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void daemonize(void) {
|
||||
#ifndef MS_WINDOWS
|
||||
/* Fork; parent exits. */
|
||||
|
||||
@ -616,6 +616,7 @@ void set_onion_key(crypto_pk_env_t *k);
|
||||
crypto_pk_env_t *get_onion_key(void);
|
||||
void set_identity_key(crypto_pk_env_t *k);
|
||||
crypto_pk_env_t *get_identity_key(void);
|
||||
crypto_pk_env_t *get_link_key(void);
|
||||
int connection_add(connection_t *conn);
|
||||
int connection_remove(connection_t *conn);
|
||||
void connection_set_poll_socket(connection_t *conn);
|
||||
@ -629,8 +630,6 @@ void connection_start_reading(connection_t *conn);
|
||||
void connection_stop_writing(connection_t *conn);
|
||||
void connection_start_writing(connection_t *conn);
|
||||
|
||||
int list_running_servers(char **nicknames_out);
|
||||
|
||||
const char *router_get_my_descriptor(void);
|
||||
|
||||
int main(int argc, char *argv[]);
|
||||
@ -691,6 +690,10 @@ int router_get_dir_from_string_impl(char *s, directory_t **dest,
|
||||
routerinfo_t *router_get_entry_from_string(char **s);
|
||||
int router_compare_to_exit_policy(connection_t *conn);
|
||||
void routerinfo_free(routerinfo_t *router);
|
||||
int router_dump_router_to_string(char *s, int maxlen, routerinfo_t *router,
|
||||
crypto_pk_env_t *ident_key);
|
||||
const routerinfo_t *router_get_desc_routerinfo(void);
|
||||
const char *router_get_my_descriptor(void);
|
||||
|
||||
/********************************* dirserv.c ***************************/
|
||||
int dirserv_add_own_fingerprint(const char *nickname, crypto_pk_env_t *pk);
|
||||
|
||||
189
src/or/routers.c
189
src/or/routers.c
@ -13,6 +13,9 @@
|
||||
*/
|
||||
|
||||
#include "or.h"
|
||||
#ifdef HAVE_UNAME
|
||||
#include <sys/utsname.h>
|
||||
#endif
|
||||
|
||||
/****************************************************************************/
|
||||
|
||||
@ -20,7 +23,7 @@
|
||||
static directory_t *directory = NULL;
|
||||
|
||||
extern or_options_t options; /* command-line and config-file options */
|
||||
extern routerinfo_t *my_routerinfo; /* from main.c */
|
||||
static routerinfo_t *my_routerinfo;
|
||||
|
||||
/****************************************************************************/
|
||||
|
||||
@ -35,8 +38,8 @@ static char *find_whitespace(char *s);
|
||||
static void router_free_exit_policy(routerinfo_t *router);
|
||||
static int router_add_exit_policy(routerinfo_t *router,
|
||||
directory_token_t *tok);
|
||||
static int
|
||||
router_resolve_directory(directory_t *dir);
|
||||
static int router_resolve_directory(directory_t *dir);
|
||||
static int init_descriptor(void);
|
||||
|
||||
/****************************************************************************/
|
||||
|
||||
@ -113,6 +116,11 @@ void router_upload_desc_to_dirservers(void) {
|
||||
if(!directory)
|
||||
return;
|
||||
|
||||
if (!router_get_my_descriptor()) {
|
||||
log_fn(LOG_WARNING, "No descriptor; skipping upload");
|
||||
return;
|
||||
}
|
||||
|
||||
for(i=0;i<directory->n_routers;i++) {
|
||||
router = directory->routers[i];
|
||||
if(router->dir_port > 0)
|
||||
@ -1087,6 +1095,181 @@ int router_compare_to_exit_policy(connection_t *conn) {
|
||||
}
|
||||
|
||||
|
||||
static char descriptor[8192];
|
||||
/* XXX should this replace my_routerinfo? */
|
||||
static routerinfo_t *desc_routerinfo = NULL;
|
||||
const char *router_get_my_descriptor(void) {
|
||||
if (!desc_routerinfo) {
|
||||
if (init_descriptor())
|
||||
return NULL;
|
||||
}
|
||||
log_fn(LOG_DEBUG,"my desc is '%s'",descriptor);
|
||||
return descriptor;
|
||||
}
|
||||
const routerinfo_t *router_get_desc_routerinfo(void) {
|
||||
if (!desc_routerinfo) {
|
||||
if (init_descriptor())
|
||||
return NULL;
|
||||
}
|
||||
return desc_routerinfo;
|
||||
}
|
||||
|
||||
static int init_descriptor(void) {
|
||||
routerinfo_t *ri;
|
||||
char localhostname[256];
|
||||
char *address = options.Address;
|
||||
|
||||
if(!address) { /* if not specified in config, we find a default */
|
||||
if(gethostname(localhostname,sizeof(localhostname)) < 0) {
|
||||
log_fn(LOG_WARNING,"Error obtaining local hostname");
|
||||
return -1;
|
||||
}
|
||||
address = localhostname;
|
||||
}
|
||||
ri = tor_malloc(sizeof(routerinfo_t));
|
||||
ri->address = strdup(address);
|
||||
ri->nickname = strdup(options.Nickname);
|
||||
/* No need to set addr. */
|
||||
ri->or_port = options.ORPort;
|
||||
ri->ap_port = options.APPort;
|
||||
ri->dir_port = options.DirPort;
|
||||
ri->published_on = time(NULL);
|
||||
ri->onion_pkey = crypto_pk_dup_key(get_onion_key());
|
||||
ri->link_pkey = crypto_pk_dup_key(get_link_key());
|
||||
ri->identity_pkey = crypto_pk_dup_key(get_identity_key());
|
||||
ri->bandwidth = options.TotalBandwidth;
|
||||
ri->exit_policy = NULL; /* XXX implement this. */
|
||||
if (desc_routerinfo)
|
||||
routerinfo_free(desc_routerinfo);
|
||||
desc_routerinfo = ri;
|
||||
if (router_dump_router_to_string(descriptor, 8192, ri, get_identity_key())<0) {
|
||||
log_fn(LOG_WARNING, "Couldn't dump router to string.");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void get_platform_str(char *platform, int len)
|
||||
{
|
||||
#ifdef HAVE_UNAME
|
||||
struct utsname u;
|
||||
if (!uname(&u)) {
|
||||
snprintf(platform, len-1, "Tor %s on %s %s %s %s %s",
|
||||
VERSION, u.sysname, u.nodename, u.release, u.version, u.machine);
|
||||
platform[len-1] = '\0';
|
||||
return;
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
snprintf(platform, len-1, "Tor %s", VERSION);
|
||||
}
|
||||
}
|
||||
|
||||
int router_dump_router_to_string(char *s, int maxlen, routerinfo_t *router,
|
||||
crypto_pk_env_t *ident_key) {
|
||||
char *onion_pkey;
|
||||
char *link_pkey;
|
||||
char *identity_pkey;
|
||||
char platform[256];
|
||||
char digest[20];
|
||||
char signature[128];
|
||||
char published[32];
|
||||
int onion_pkeylen, link_pkeylen, identity_pkeylen;
|
||||
int written;
|
||||
int result=0;
|
||||
struct exit_policy_t *tmpe;
|
||||
|
||||
get_platform_str(platform, sizeof(platform));
|
||||
|
||||
if(crypto_pk_write_public_key_to_string(router->onion_pkey,
|
||||
&onion_pkey,&onion_pkeylen)<0) {
|
||||
log_fn(LOG_WARNING,"write onion_pkey to string failed!");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(crypto_pk_write_public_key_to_string(router->identity_pkey,
|
||||
&identity_pkey,&identity_pkeylen)<0) {
|
||||
log_fn(LOG_WARNING,"write identity_pkey to string failed!");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(crypto_pk_write_public_key_to_string(router->link_pkey,
|
||||
&link_pkey,&link_pkeylen)<0) {
|
||||
log_fn(LOG_WARNING,"write link_pkey to string failed!");
|
||||
return -1;
|
||||
}
|
||||
strftime(published, 32, "%Y-%m-%d %H:%M:%S", gmtime(&router->published_on));
|
||||
|
||||
result = snprintf(s, maxlen,
|
||||
"router %s %s %d %d %d %d\n"
|
||||
"platform %s\n"
|
||||
"published %s\n"
|
||||
"onion-key\n%s"
|
||||
"link-key\n%s"
|
||||
"signing-key\n%s",
|
||||
router->nickname,
|
||||
router->address,
|
||||
router->or_port,
|
||||
router->ap_port,
|
||||
router->dir_port,
|
||||
router->bandwidth,
|
||||
platform,
|
||||
published,
|
||||
onion_pkey, link_pkey, identity_pkey);
|
||||
|
||||
free(onion_pkey);
|
||||
free(link_pkey);
|
||||
free(identity_pkey);
|
||||
|
||||
if(result < 0 || result >= maxlen) {
|
||||
/* apparently different glibcs do different things on snprintf error.. so check both */
|
||||
return -1;
|
||||
}
|
||||
written = result;
|
||||
|
||||
for(tmpe=router->exit_policy; tmpe; tmpe=tmpe->next) {
|
||||
result = snprintf(s+written, maxlen-written, "%s %s:%s\n",
|
||||
tmpe->policy_type == EXIT_POLICY_ACCEPT ? "accept" : "reject",
|
||||
tmpe->address, tmpe->port);
|
||||
if(result < 0 || result+written > maxlen) {
|
||||
/* apparently different glibcs do different things on snprintf error.. so check both */
|
||||
return -1;
|
||||
}
|
||||
written += result;
|
||||
}
|
||||
if (written > maxlen-256) /* Not enough room for signature. */
|
||||
return -1;
|
||||
|
||||
strcat(s+written, "router-signature\n");
|
||||
written += strlen(s+written);
|
||||
s[written] = '\0';
|
||||
if (router_get_router_hash(s, digest) < 0)
|
||||
return -1;
|
||||
|
||||
if (crypto_pk_private_sign(ident_key, digest, 20, signature) < 0) {
|
||||
log_fn(LOG_WARNING, "Error signing digest");
|
||||
return -1;
|
||||
}
|
||||
strcat(s+written, "-----BEGIN SIGNATURE-----\n");
|
||||
written += strlen(s+written);
|
||||
if (base64_encode(s+written, maxlen-written, signature, 128) < 0) {
|
||||
log_fn(LOG_WARNING, "Couldn't base64-encode signature");
|
||||
return -1;
|
||||
}
|
||||
written += strlen(s+written);
|
||||
strcat(s+written, "-----END SIGNATURE-----\n");
|
||||
written += strlen(s+written);
|
||||
|
||||
if (written > maxlen-2)
|
||||
return -1;
|
||||
/* include a last '\n' */
|
||||
s[written] = '\n';
|
||||
s[written+1] = 0;
|
||||
return written+1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*
|
||||
Local Variables:
|
||||
mode:c
|
||||
|
||||
Loading…
Reference in New Issue
Block a user