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| author | Nick Mathewson <nickm@torproject.org> | 2012-03-28 03:19:00 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2012-03-28 03:19:00 -0400 |
| commit | 433d7578465e04484d537810096512b5cc61246f (patch) | |
| tree | de201fe472549b9497894033660f979a0b80bd94 /src/common | |
| parent | 70c17134c79d9de05408748329c0918158d7deb0 (diff) | |
| download | tor-433d7578465e04484d537810096512b5cc61246f.tar tor-433d7578465e04484d537810096512b5cc61246f.tar.gz | |
Reject SOCKS requests for "localhost" or ".local"
Sending them on is futile, since we will be told "127.0.0.1" and then
think we've been lied to. Partial fix for 2822.
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/address.c | 9 | ||||
| -rw-r--r-- | src/common/address.h | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/common/address.c b/src/common/address.c index 676c48589..e379464eb 100644 --- a/src/common/address.c +++ b/src/common/address.c @@ -1682,3 +1682,12 @@ get_interface_address(int severity, uint32_t *addr) return r; } +/** Return true if we can tell that <b>name</b> is a canonical name for the + * loopback address. */ +int +tor_addr_hostname_is_local(const char *name) +{ + return !strcasecmp(name, "localhost") || + !strcasecmp(name, "local") || + !strcasecmpend(name, ".local"); +} diff --git a/src/common/address.h b/src/common/address.h index 4568c32bf..125fd3818 100644 --- a/src/common/address.h +++ b/src/common/address.h @@ -191,6 +191,8 @@ int tor_addr_is_loopback(const tor_addr_t *addr); int tor_addr_port_split(int severity, const char *addrport, char **address_out, uint16_t *port_out); +int tor_addr_hostname_is_local(const char *name); + /* IPv4 helpers */ int is_internal_IP(uint32_t ip, int for_listening); int addr_port_lookup(int severity, const char *addrport, char **address, |