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Diffstat (limited to 'src/tools/tor-resolve.c')
| -rw-r--r-- | src/tools/tor-resolve.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/tools/tor-resolve.c b/src/tools/tor-resolve.c index 29f85c4d17..6ac866d3c0 100644 --- a/src/tools/tor-resolve.c +++ b/src/tools/tor-resolve.c @@ -80,6 +80,10 @@ build_socks_resolve_request(char **out, } ipv6 = reverse && tor_addr_family(&addr) == AF_INET6; addrlen = reverse ? (ipv6 ? 16 : 4) : 1 + strlen(hostname); + if (addrlen > UINT8_MAX) { + log_err(LD_GENERAL, "Hostname is too long!"); + return -1; + } len = 6 + addrlen; *out = tor_malloc(len); (*out)[0] = 5; /* SOCKS version 5 */ |