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Actually parse the m lines from a microdesc consensus

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This commit is contained in:
Nick Mathewson 2010-09-16 12:55:48 -04:00
parent 4e0f7f4ffc
commit 9f5b752e4f
2 changed files with 18 additions and 5 deletions
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5
src/or/or.h
View File

@ -1569,8 +1569,9 @@ typedef struct routerstatus_t {
* has. */
char identity_digest[DIGEST_LEN]; /**< Digest of the router's identity
* key. */
char descriptor_digest[DIGEST_LEN]; /**< Digest of the router's most recent
* descriptor. */
/** Digest of the router's most recent descriptor or microdescriptor.
* If it's a descriptor, we only use the first DIGEST_LEN bytes. */
char descriptor_digest[DIGEST256_LEN];
uint32_t addr; /**< IPv4 address for this router. */
uint16_t or_port; /**< OR port for this router. */
uint16_t dir_port; /**< Directory port for this router. */

18
src/or/routerparse.c
View File

@ -1943,6 +1943,7 @@ routerstatus_parse_entry_from_string(memarea_t *area,
if (!consensus_method)
flav = FLAV_NS;
tor_assert(flav == FLAV_NS || flav == FLAV_MICRODESC);
eos = find_start_of_next_routerstatus(*s);
@ -1955,15 +1956,16 @@ routerstatus_parse_entry_from_string(memarea_t *area,
goto err;
}
tok = find_by_keyword(tokens, K_R);
tor_assert(tok->n_args >= 7);
tor_assert(tok->n_args >= 7); /* guaranteed by GE(7) in K_R setup */
if (flav == FLAV_NS) {
if (tok->n_args < 8) {
log_warn(LD_DIR, "Too few arguments to r");
goto err;
}
} else {
offset = -1;
} else if (flav == FLAV_MICRODESC) {
offset = -1; /* There is no identity digest */
}
if (vote_rs) {
rs = &vote_rs->status;
} else {
@ -2139,6 +2141,16 @@ routerstatus_parse_entry_from_string(memarea_t *area,
vote_rs->microdesc = line;
}
} SMARTLIST_FOREACH_END(t);
} else if (flav == FLAV_MICRODESC) {
tok = find_opt_by_keyword(tokens, K_M);
if (tok) {
tor_assert(tok->n_args);
if (digest256_from_base64(rs->descriptor_digest, tok->args[0])) {
log_warn(LD_DIR, "Error decoding microdescriptor digest %s",
escaped(tok->args[0]));
goto err;
}
}
}
if (!strcasecmp(rs->nickname, UNNAMED_ROUTER_NICKNAME))