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[tor-commits] [tor/master] dirvote: Trim down the public API
commit d177067860c1c23fd3fe109e621710560fc6c43d
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date: Thu Apr 5 11:18:47 2018 -0400
dirvote: Trim down the public API
Many functions become static to the C file or exposed to the tests within the
PRIVATE define of dirvote.h.
This commit moves a function to the top. No code behavior change.
Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
src/or/dirvote.c | 104 +++++++++++++++++++++++-----------------------
src/or/dirvote.h | 42 +++++++++----------
src/test/test_microdesc.c | 1 +
3 files changed, 72 insertions(+), 75 deletions(-)
diff --git a/src/or/dirvote.c b/src/or/dirvote.c
index f3b8a19f0..9f4893c37 100644
--- a/src/or/dirvote.c
+++ b/src/or/dirvote.c
@@ -351,6 +351,53 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
* Consensus generation
* ===== */
+/** If <b>vrs</b> has a hash made for the consensus method <b>method</b> with
+ * the digest algorithm <b>alg</b>, decode it and copy it into
+ * <b>digest256_out</b> and return 0. Otherwise return -1. */
+static int
+vote_routerstatus_find_microdesc_hash(char *digest256_out,
+ const vote_routerstatus_t *vrs,
+ int method,
+ digest_algorithm_t alg)
+{
+ /* XXXX only returns the sha256 method. */
+ const vote_microdesc_hash_t *h;
+ char mstr[64];
+ size_t mlen;
+ char dstr[64];
+
+ tor_snprintf(mstr, sizeof(mstr), "%d", method);
+ mlen = strlen(mstr);
+ tor_snprintf(dstr, sizeof(dstr), " %s=",
+ crypto_digest_algorithm_get_name(alg));
+
+ for (h = vrs->microdesc; h; h = h->next) {
+ const char *cp = h->microdesc_hash_line;
+ size_t num_len;
+ /* cp looks like \d+(,\d+)* (digesttype=val )+ . Let's hunt for mstr in
+ * the first part. */
+ while (1) {
+ num_len = strspn(cp, "1234567890");
+ if (num_len == mlen && fast_memeq(mstr, cp, mlen)) {
+ /* This is the line. */
+ char buf[BASE64_DIGEST256_LEN+1];
+ /* XXXX ignores extraneous stuff if the digest is too long. This
+ * seems harmless enough, right? */
+ cp = strstr(cp, dstr);
+ if (!cp)
+ return -1;
+ cp += strlen(dstr);
+ strlcpy(buf, cp, sizeof(buf));
+ return digest256_from_base64(digest256_out, buf);
+ }
+ if (num_len == 0 || cp[num_len] != ',')
+ break;
+ cp += num_len + 1;
+ }
+ }
+ return -1;
+}
+
/** Given a vote <b>vote</b> (not a consensus!), return its associated
* networkstatus_voter_info_t. */
static networkstatus_voter_info_t *
@@ -1328,7 +1375,7 @@ compute_nth_protocol_set(int n, int n_voters, const smartlist_t *votes)
* behavior, and make the new behavior conditional on a new-enough
* consensus_method.
**/
-char *
+STATIC char *
networkstatus_compute_consensus(smartlist_t *votes,
int total_authorities,
crypto_pk_t *identity_key,
@@ -2372,7 +2419,7 @@ compute_consensus_package_lines(smartlist_t *votes)
* new signature is verifiable.) Return the number of signatures added or
* changed, or -1 if the document signed by <b>sigs</b> isn't the same
* document as <b>target</b>. */
-int
+STATIC int
networkstatus_add_detached_signatures(networkstatus_t *target,
ns_detached_signatures_t *sigs,
const char *source,
@@ -2564,7 +2611,7 @@ networkstatus_format_signatures(networkstatus_t *consensus,
* corresponding to the signatures on <b>consensuses</b>, which must contain
* exactly one FLAV_NS consensus, and no more than one consensus for each
* other flavor. */
-char *
+STATIC char *
networkstatus_get_detached_signatures(smartlist_t *consensuses)
{
smartlist_t *elements;
@@ -3798,7 +3845,7 @@ dirvote_get_vote(const char *fp, int flags)
/** Construct and return a new microdescriptor from a routerinfo <b>ri</b>
* according to <b>consensus_method</b>.
**/
-microdesc_t *
+STATIC microdesc_t *
dirvote_create_microdescriptor(const routerinfo_t *ri, int consensus_method)
{
microdesc_t *result = NULL;
@@ -3893,7 +3940,7 @@ dirvote_create_microdescriptor(const routerinfo_t *ri, int consensus_method)
* in a consensus vote document. Write it into the <b>out_len</b>-byte buffer
* in <b>out</b>. Return -1 on failure and the number of characters written
* on success. */
-ssize_t
+static ssize_t
dirvote_format_microdesc_vote_line(char *out_buf, size_t out_buf_len,
const microdesc_t *md,
int consensus_method_low,
@@ -4001,50 +4048,3 @@ dirvote_format_all_microdesc_vote_lines(const routerinfo_t *ri, time_t now,
return result;
}
-/** If <b>vrs</b> has a hash made for the consensus method <b>method</b> with
- * the digest algorithm <b>alg</b>, decode it and copy it into
- * <b>digest256_out</b> and return 0. Otherwise return -1. */
-int
-vote_routerstatus_find_microdesc_hash(char *digest256_out,
- const vote_routerstatus_t *vrs,
- int method,
- digest_algorithm_t alg)
-{
- /* XXXX only returns the sha256 method. */
- const vote_microdesc_hash_t *h;
- char mstr[64];
- size_t mlen;
- char dstr[64];
-
- tor_snprintf(mstr, sizeof(mstr), "%d", method);
- mlen = strlen(mstr);
- tor_snprintf(dstr, sizeof(dstr), " %s=",
- crypto_digest_algorithm_get_name(alg));
-
- for (h = vrs->microdesc; h; h = h->next) {
- const char *cp = h->microdesc_hash_line;
- size_t num_len;
- /* cp looks like \d+(,\d+)* (digesttype=val )+ . Let's hunt for mstr in
- * the first part. */
- while (1) {
- num_len = strspn(cp, "1234567890");
- if (num_len == mlen && fast_memeq(mstr, cp, mlen)) {
- /* This is the line. */
- char buf[BASE64_DIGEST256_LEN+1];
- /* XXXX ignores extraneous stuff if the digest is too long. This
- * seems harmless enough, right? */
- cp = strstr(cp, dstr);
- if (!cp)
- return -1;
- cp += strlen(dstr);
- strlcpy(buf, cp, sizeof(buf));
- return digest256_from_base64(digest256_out, buf);
- }
- if (num_len == 0 || cp[num_len] != ',')
- break;
- cp += num_len + 1;
- }
- }
- return -1;
-}
-
diff --git a/src/or/dirvote.h b/src/or/dirvote.h
index 8a317deb4..dd388fd96 100644
--- a/src/or/dirvote.h
+++ b/src/or/dirvote.h
@@ -89,19 +89,6 @@
void dirvote_free_all(void);
/* vote manipulation */
-char *networkstatus_compute_consensus(smartlist_t *votes,
- int total_authorities,
- crypto_pk_t *identity_key,
- crypto_pk_t *signing_key,
- const char *legacy_identity_key_digest,
- crypto_pk_t *legacy_signing_key,
- consensus_flavor_t flavor);
-int networkstatus_add_detached_signatures(networkstatus_t *target,
- ns_detached_signatures_t *sigs,
- const char *source,
- int severity,
- const char **msg_out);
-char *networkstatus_get_detached_signatures(smartlist_t *consensuses);
void ns_detached_signatures_free_(ns_detached_signatures_t *s);
#define ns_detached_signatures_free(s) \
FREE_AND_NULL(ns_detached_signatures_t, ns_detached_signatures_free_, (s))
@@ -178,21 +165,11 @@ networkstatus_t *
dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
authority_cert_t *cert);
-microdesc_t *dirvote_create_microdescriptor(const routerinfo_t *ri,
- int consensus_method);
-ssize_t dirvote_format_microdesc_vote_line(char *out, size_t out_len,
- const microdesc_t *md,
- int consensus_method_low,
- int consensus_method_high);
vote_microdesc_hash_t *dirvote_format_all_microdesc_vote_lines(
const routerinfo_t *ri,
time_t now,
smartlist_t *microdescriptors_out);
-int vote_routerstatus_find_microdesc_hash(char *digest256_out,
- const vote_routerstatus_t *vrs,
- int method,
- digest_algorithm_t alg);
document_signature_t *voter_get_sig_by_algorithm(
const networkstatus_voter_info_t *voter,
digest_algorithm_t alg);
@@ -212,6 +189,25 @@ STATIC int
networkstatus_compute_bw_weights_v10(smartlist_t *chunks, int64_t G,
int64_t M, int64_t E, int64_t D,
int64_t T, int64_t weight_scale);
+STATIC
+char *networkstatus_compute_consensus(smartlist_t *votes,
+ int total_authorities,
+ crypto_pk_t *identity_key,
+ crypto_pk_t *signing_key,
+ const char *legacy_identity_key_digest,
+ crypto_pk_t *legacy_signing_key,
+ consensus_flavor_t flavor);
+STATIC
+int networkstatus_add_detached_signatures(networkstatus_t *target,
+ ns_detached_signatures_t *sigs,
+ const char *source,
+ int severity,
+ const char **msg_out);
+STATIC
+char *networkstatus_get_detached_signatures(smartlist_t *consensuses);
+STATIC microdesc_t *dirvote_create_microdescriptor(const routerinfo_t *ri,
+ int consensus_method);
+
#endif /* defined(DIRVOTE_PRIVATE) */
#endif /* !defined(TOR_DIRVOTE_H) */
diff --git a/src/test/test_microdesc.c b/src/test/test_microdesc.c
index 3d02fc1a5..94b4d5e51 100644
--- a/src/test/test_microdesc.c
+++ b/src/test/test_microdesc.c
@@ -5,6 +5,7 @@
#include "or.h"
#include "config.h"
+#define DIRVOTE_PRIVATE
#include "dirvote.h"
#include "microdesc.h"
#include "networkstatus.h"
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