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See http://spamassassin.org/tag/ for more details. -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: unstable.cc] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 AWL AWL: Adjusted score from AWL reputation of From: address X-Headers-End: 1jep1d-00D3eE-2n Subject: [Openvpn-devel] [PATCH v4 7/7] ipv6-pool: get rid of size constraint X-BeenThere: openvpn-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Antonio Quartulli Errors-To: openvpn-devel-bounces@lists.sourceforge.net X-getmail-retrieved-from-mailbox: Inbox Signed-off-by: Antonio Quartulli --- src/openvpn/helper.c | 7 +++---- src/openvpn/options.c | 13 +++++++++---- src/openvpn/pool.c | 12 ++++++++++++ 3 files changed, 24 insertions(+), 8 deletions(-) diff --git a/src/openvpn/helper.c b/src/openvpn/helper.c index 277e6972..2174b580 100644 --- a/src/openvpn/helper.c +++ b/src/openvpn/helper.c @@ -198,12 +198,11 @@ helper_client_server(struct options *o) print_in6_addr( add_in6_addr( o->server_network_ipv6, 2), 0, &o->gc ); o->ifconfig_ipv6_netbits = o->server_netbits_ipv6; - /* pool starts at "base address + 0x1000" - leave enough room */ - ASSERT( o->server_netbits_ipv6 <= 112 ); /* want 16 bits */ + /* basic sanity check */ + ASSERT(o->server_netbits_ipv6 >= 64 && o->server_netbits_ipv6 <= 124); o->ifconfig_ipv6_pool_defined = true; - o->ifconfig_ipv6_pool_base = - add_in6_addr( o->server_network_ipv6, 0x1000 ); + o->ifconfig_ipv6_pool_base = add_in6_addr(o->server_network_ipv6, 2); o->ifconfig_ipv6_pool_netbits = o->server_netbits_ipv6; push_option( o, "tun-ipv6", M_USAGE ); diff --git a/src/openvpn/options.c b/src/openvpn/options.c index 3798731e..327207bd 100644 --- a/src/openvpn/options.c +++ b/src/openvpn/options.c @@ -6714,9 +6714,12 @@ add_option(struct options *options, msg(msglevel, "error parsing --server-ipv6 parameter"); goto err; } - if (netbits < 64 || netbits > 112) + if (netbits < 64 || netbits > 124) { - msg( msglevel, "--server-ipv6 settings: only /64../112 supported right now (not /%d)", netbits ); + msg(msglevel, + "--server-ipv6 settings: network must be between /64 and /124 (not /%d)", + netbits); + goto err; } options->server_ipv6_defined = true; @@ -6836,9 +6839,11 @@ add_option(struct options *options, msg(msglevel, "error parsing --ifconfig-ipv6-pool parameters"); goto err; } - if (netbits < 64 || netbits > 112) + if (netbits < 64 || netbits > 124) { - msg( msglevel, "--ifconfig-ipv6-pool settings: only /64../112 supported right now (not /%d)", netbits ); + msg(msglevel, + "--ifconfig-ipv6-pool settings: network must be between /64 and /124 (not /%d)", + netbits); goto err; } diff --git a/src/openvpn/pool.c b/src/openvpn/pool.c index 42c6a38b..62cb0413 100644 --- a/src/openvpn/pool.c +++ b/src/openvpn/pool.c @@ -207,6 +207,12 @@ ifconfig_pool_init(const bool ipv4_pool, enum pool_type type, in_addr_t start, ASSERT(0); } + if (pool->ipv4.size < 2) + { + msg(M_FATAL, "IPv4 pool size is too small (%d), must be at least 2", + pool->ipv4.size); + } + msg(D_IFCONFIG_POOL, "IFCONFIG POOL: base=%s size=%d", print_in_addr_t(pool->ipv4.base, 0, &gc), pool->ipv4.size); } @@ -245,6 +251,12 @@ ifconfig_pool_init(const bool ipv4_pool, enum pool_type type, in_addr_t start, ? (1 << (128 - ipv6_netbits)) - base : IFCONFIG_POOL_MAX; + if (pool->ipv6.size < 2) + { + msg(M_FATAL, "IPv6 pool size is too small (%d), must be at least 2", + pool->ipv6.size); + } + msg(D_IFCONFIG_POOL, "IFCONFIG POOL IPv6: base=%s size=%d netbits=%d", print_in6_addr(pool->ipv6.base, 0, &gc), pool->ipv6.size, ipv6_netbits);