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author | Nick Mathewson <nickm@torproject.org> | 2016-08-23 14:02:48 -0400 |
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committer | Nick Mathewson <nickm@torproject.org> | 2016-09-26 10:56:50 -0700 |
commit | a232161f7beeecebf31b2259a571e8b26cb0b541 (patch) | |
tree | 6624b80816c112523b64b2cd8a49129a4ae30dbd /src/or/protover.c | |
parent | 0697e413efa32b71d080353e5151beee117fca04 (diff) | |
download | tor-a232161f7beeecebf31b2259a571e8b26cb0b541.tar.gz tor-a232161f7beeecebf31b2259a571e8b26cb0b541.zip |
Cover the error cases of parsing protocol versions
Also, detect an additional failure type. Thanks, tests!
(How distinctly I recall thee)
Diffstat (limited to 'src/or/protover.c')
-rw-r--r-- | src/or/protover.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/or/protover.c b/src/or/protover.c index 3a2d4014cd..2bde02c6ae 100644 --- a/src/or/protover.c +++ b/src/or/protover.c @@ -39,8 +39,10 @@ protocol_type_to_str(protocol_type_t pr) if (PROTOCOL_NAMES[i].protover_type == pr) return PROTOCOL_NAMES[i].name; } + /* LCOV_EXCL_START */ tor_assert_nonfatal_unreached_once(); return "UNKNOWN"; + /* LCOV_EXCL_STOP */ } /** @@ -150,6 +152,10 @@ parse_single_entry(const char *s, const char *end_of_entry) if (!equals) goto error; + /* The name must be nonempty */ + if (equals == s) + goto error; + out->name = tor_strndup(s, equals-s); tor_assert(equals < end_of_entry); @@ -388,7 +394,7 @@ contract_protocol_list(const smartlist_t *proto_strings) SMARTLIST_FOREACH_BEGIN(proto_strings, const char *, s) { proto_entry_t *ent = parse_single_entry(s, s+strlen(s)); if (BUG(!ent)) - continue; + continue; // LCOV_EXCL_LINE smartlist_t *lst = strmap_get(entry_lists_by_name, ent->name); if (!lst) { smartlist_add(all_names, ent->name); @@ -591,11 +597,11 @@ protocol_list_contains(const smartlist_t *protos, protocol_type_t pr, uint32_t ver) { if (BUG(protos == NULL)) { - return 0; + return 0; // LCOV_EXCL_LINE } const char *pr_name = protocol_type_to_str(pr); if (BUG(pr_name == NULL)) { - return 0; + return 0; // LCOV_EXCL_LINE } SMARTLIST_FOREACH_BEGIN(protos, const proto_entry_t *, ent) { |