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Implement some of GETINFO control message

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svn:r3694
This commit is contained in:
Nick Mathewson 2005-02-25 06:37:07 +00:00
parent 81d2c2d8e5
commit 8396105d84
1 changed files with 71 additions and 1 deletions
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72
src/or/control.c
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@ -59,6 +59,7 @@ const char control_c_id[] = "$Id$";
#define ERR_UNAUTHORIZED 0x0007
#define ERR_REJECTED_AUTHENTICATION 0x0008
#define ERR_RESOURCE_EXHAUSETED 0x0009
#define ERR_TOO_LONG 0x000A
/* Recognized asynchronous event types. */
#define _EVENT_MIN 0x0001
@ -447,10 +448,79 @@ handle_control_mapaddress(connection_t *conn, uint16_t len, const char *body)
send_control_error(conn,ERR_UNRECOGNIZED_TYPE,"not yet implemented");
return 0;
}
static char *
handle_getinfo_helper(const char *question)
{
if (!strcmp(question, "version")) {
return tor_strdup(VERSION);
} else if (!strcmpstart(question, "desc/id/")) {
return NULL; /* XXXX */
} else if (!strcmp(question, "desc/all-ids")) {
routerlist_t *rl;
char *answer, *cp;
router_get_routerlist(&rl);
if (!rl)
return tor_strdup("");
answer = tor_malloc(smartlist_len(rl->routers)*(HEX_DIGEST_LEN+1)+1);
cp = answer;
SMARTLIST_FOREACH(rl->routers, routerinfo_t *, r,
{
base16_encode(cp, HEX_DIGEST_LEN+1, r->identity_digest, DIGEST_LEN);
cp += HEX_DIGEST_LEN;
*cp++ = ',';
});
return answer;
} else if (!strcmp(question, "addr-mappings")) {
return NULL; /* XXXX */
} else {
/* unrecognized key */
return NULL;
}
}
static int
handle_control_getinfo(connection_t *conn, uint16_t len, const char *body)
{
send_control_error(conn,ERR_UNRECOGNIZED_TYPE,"not yet implemented");
smartlist_t *questions = NULL;
smartlist_t *answers = NULL;
char *msg = NULL, *ans;
size_t msg_len;
questions = smartlist_create();
smartlist_split_string(questions, body, "\n",
SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
answers = smartlist_create();
SMARTLIST_FOREACH(questions, const char *, q,
{
ans = handle_getinfo_helper(q);
if (!ans) {
send_control_error(conn, ERR_UNRECOGNIZED_CONFIG_KEY, body);
goto done;
} else {
smartlist_add(answers, tor_strdup(q));
smartlist_add(answers, ans);
msg_len += 2 + strlen(ans) + strlen(q);
}
});
if (msg_len > 65535) {
/* XXXX What if it *is* this long? */
send_control_error(conn, ERR_TOO_LONG, body);
goto done;
}
msg = smartlist_join_strings2(answers, "\0", 1, 1, &msg_len);
send_control_message(conn, CONTROL_CMD_INFOVALUE,
(uint16_t)msg_len, msg_len?msg:NULL);
done:
if (answers) SMARTLIST_FOREACH(answers, char *, cp, tor_free(cp));
if (questions) SMARTLIST_FOREACH(questions, char *, cp, tor_free(cp));
smartlist_free(answers);
smartlist_free(questions);
tor_free(msg);
return 0;
}
static int