From b8944ab71ccdc9951c6b74ef8ed8686d0329f99c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Timo=20Ter=C3=A4s?= Date: Fri, 27 Aug 2010 17:05:18 +0300 Subject: authdb: implement basics Implement a shared memory based authentication cache. It's a simple local cache indexed by IP-address, and keeps track of that IP's auth info such as username, allowed categories and timeouts. This provides basis for captive portal, per-user definable category restrictions and implementation of soft blocks (block which can be overridden by user by clicking a button on the blocked page). --- addr.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 addr.c (limited to 'addr.c') diff --git a/addr.c b/addr.c new file mode 100644 index 0000000..1dddaff --- /dev/null +++ b/addr.c @@ -0,0 +1,53 @@ +#include + +#include "addr.h" + +int addr_len(const sockaddr_any *addr) +{ + switch (addr->any.sa_family) { + case AF_INET: + return sizeof(struct sockaddr_in); + default: + return 0; + } +} + +sockaddr_any *addr_parse(blob_t b, sockaddr_any *addr) +{ + memset(addr, 0, sizeof(*addr)); + addr->ipv4.sin_family = AF_INET; + addr->ipv4.sin_addr.s_addr = blob_inet_addr(b); + if (addr->ipv4.sin_addr.s_addr == -1) + return NULL; + return addr; +} + +unsigned long addr_hash(const sockaddr_any *addr) +{ + switch (addr->any.sa_family) { + case AF_INET: + return htonl(addr->ipv4.sin_addr.s_addr); + default: + return 0; + } +} + +const char *addr_print(const sockaddr_any *addr) +{ + switch (addr->any.sa_family) { + case AF_INET: + return inet_ntoa(addr->ipv4.sin_addr); + default: + return "unknown"; + } +} + +blob_t addr_get_hostaddr_blob(const sockaddr_any *addr) +{ + switch (addr->any.sa_family) { + case AF_INET: + return BLOB_BUF(&addr->ipv4.sin_addr); + default: + return BLOB_NULL; + } +} -- cgit v1.2.3