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get_all_possible_sybil: small indentation and comment cleanups

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This commit is contained in:
Nick Mathewson 2020-09-23 11:53:28 -04:00
parent e0f6047ea0
commit 2dba667928
1 changed files with 17 additions and 19 deletions
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36
src/feature/dirauth/dirvote.c
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@ -4362,34 +4362,32 @@ get_all_possible_sybil(const smartlist_t *routers)
digestmap_t *omit_as_sybil_ipv6;
digestmap_t *omit_as_sybil = digestmap_new();
// Sort the routers in two lists depending on their IP version
SMARTLIST_FOREACH(routers, routerinfo_t *, ri, {
// If the router is IPv6
if (tor_addr_family(&(ri->ipv6_addr)) == AF_INET6){
smartlist_add(routers_ipv6, ri);
}
// If the router is IPv4
if (tor_addr_family(&(ri->ipv4_addr)) == AF_INET){
smartlist_add(routers_ipv4, ri);
}
});
SMARTLIST_FOREACH_BEGIN(routers, routerinfo_t *, ri) {
// If the router has an IPv6 address
if (tor_addr_family(&(ri->ipv6_addr)) == AF_INET6) {
smartlist_add(routers_ipv6, ri);
}
// If the router has an IPv4 address
if (tor_addr_family(&(ri->ipv4_addr)) == AF_INET) {
smartlist_add(routers_ipv4, ri);
}
} SMARTLIST_FOREACH_END(ri);
omit_as_sybil_ipv4 = get_sybil_list_by_ip_version(routers_ipv4, AF_INET);
omit_as_sybil_ipv6 = get_sybil_list_by_ip_version(routers_ipv6, AF_INET6);
// Add all possible sybils to the common digestmap
DIGESTMAP_FOREACH (omit_as_sybil_ipv4, sybil_id, routerinfo_t *, ri) {
digestmap_set(omit_as_sybil, ri->cache_info.identity_digest, ri);
}
DIGESTMAP_FOREACH_END
DIGESTMAP_FOREACH (omit_as_sybil_ipv6, sybil_id, routerinfo_t *, ri) {
digestmap_set(omit_as_sybil, ri->cache_info.identity_digest, ri);
}
DIGESTMAP_FOREACH_END
DIGESTMAP_FOREACH (omit_as_sybil_ipv4, sybil_id, routerinfo_t *, ri) {
digestmap_set(omit_as_sybil, ri->cache_info.identity_digest, ri);
} DIGESTMAP_FOREACH_END;
DIGESTMAP_FOREACH (omit_as_sybil_ipv6, sybil_id, routerinfo_t *, ri) {
digestmap_set(omit_as_sybil, ri->cache_info.identity_digest, ri);
} DIGESTMAP_FOREACH_END;
// Clean the temp variables
smartlist_free(routers_ipv4);
smartlist_free(routers_ipv6);
digestmap_free(omit_as_sybil_ipv4, NULL);
digestmap_free(omit_as_sybil_ipv6, NULL);
// Return the digestmap : it now contains all the possible sybils
// Return the digestmap: it now contains all the possible sybils
return omit_as_sybil;
}
/** Given a platform string as in a routerinfo_t (possibly null), return a