diff options
Diffstat (limited to 'src/or/protover.c')
| -rw-r--r-- | src/or/protover.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/or/protover.c b/src/or/protover.c index f32316f8e7..a035b5c83b 100644 --- a/src/or/protover.c +++ b/src/or/protover.c @@ -103,6 +103,9 @@ proto_entry_free(proto_entry_t *entry) tor_free(entry); } +/** The largest possible protocol version. */ +#define MAX_PROTOCOL_VERSION (UINT32_MAX-1) + /** * Given a string <b>s</b> and optional end-of-string pointer * <b>end_of_range</b>, parse the protocol range and store it in @@ -130,7 +133,7 @@ parse_version_range(const char *s, const char *end_of_range, /* Note that this wouldn't be safe if we didn't know that eventually, * we'd hit a NUL */ - low = (uint32_t) tor_parse_ulong(s, 10, 0, UINT32_MAX, &ok, &next); + low = (uint32_t) tor_parse_ulong(s, 10, 0, MAX_PROTOCOL_VERSION, &ok, &next); if (!ok) goto error; if (next > end_of_range) @@ -148,7 +151,8 @@ parse_version_range(const char *s, const char *end_of_range, if (!TOR_ISDIGIT(*s)) { goto error; } - high = (uint32_t) tor_parse_ulong(s, 10, 0, UINT32_MAX, &ok, &next); + high = (uint32_t) tor_parse_ulong(s, 10, 0, + MAX_PROTOCOL_VERSION, &ok, &next); if (!ok) goto error; if (next != end_of_range) |