diff options
Diffstat (limited to 'usr.sbin/nsd/remote.c')
| -rw-r--r-- | usr.sbin/nsd/remote.c | 74 |
1 files changed, 60 insertions, 14 deletions
diff --git a/usr.sbin/nsd/remote.c b/usr.sbin/nsd/remote.c index d4858d2202a..759136c9645 100644 --- a/usr.sbin/nsd/remote.c +++ b/usr.sbin/nsd/remote.c @@ -21,16 +21,16 @@ * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @@ -51,14 +51,23 @@ #ifdef HAVE_OPENSSL_ERR_H #include <openssl/err.h> #endif +#ifdef HAVE_OPENSSL_RAND_H +#include <openssl/rand.h> +#endif #include <ctype.h> #include <unistd.h> #include <assert.h> #include <fcntl.h> #ifndef USE_MINI_EVENT -#include <event.h> +# ifdef HAVE_EVENT_H +# include <event.h> +# else +# include <event2/event.h> +# include "event2/event_struct.h" +# include "event2/event_compat.h" +# endif #else -#include "mini_event.h" +# include "mini_event.h" #endif #include "remote.h" #include "util.h" @@ -68,7 +77,6 @@ #include "nsd.h" #include "options.h" #include "difffile.h" -#include "xfrd.h" #include "ipc.h" #ifdef HAVE_SYS_TYPES_H @@ -234,6 +242,20 @@ daemon_remote_create(nsd_options_t* cfg) OpenSSL_add_all_algorithms(); (void)SSL_library_init(); + if(!RAND_status()) { + /* try to seed it */ + unsigned char buf[256]; + unsigned int v, seed=(unsigned)time(NULL) ^ (unsigned)getpid(); + size_t i; + v = seed; + for(i=0; i<256/sizeof(v); i++) { + memmove(buf+i*sizeof(v), &v, sizeof(v)); + v = v*seed + (unsigned int)i; + } + RAND_seed(buf, 256); + log_msg(LOG_WARNING, "warning: no entropy, seeding openssl PRNG with time"); + } + rc->ctx = SSL_CTX_new(SSLv23_server_method()); if(!rc->ctx) { log_crypto_err("could not SSL_CTX_new"); @@ -489,7 +511,11 @@ static void remote_accept_callback(int fd, short event, void* arg) { struct daemon_remote *rc = (struct daemon_remote*)arg; +#ifdef INET6 struct sockaddr_storage addr; +#else + struct sockaddr_in addr; +#endif socklen_t addrlen; int newfd; struct rc_state* n; @@ -846,6 +872,7 @@ force_transfer_zone(xfrd_zone_t* zone) /* pretend we not longer have it and force any * zone to be downloaded (even same serial, w AXFR) */ zone->soa_disk_acquired = 0; + zone->soa_nsd_acquired = 0; xfrd_handle_notify_and_start_xfr(zone, NULL); } @@ -1057,6 +1084,7 @@ do_stats(struct daemon_remote* rc, int peek, struct rc_state* rs) static void do_addzone(SSL* ssl, xfrd_state_t* xfrd, char* arg) { + const dname_type* dname; zone_options_t* zopt; char* arg2 = NULL; if(!find_arg2(ssl, arg, &arg2)) @@ -1072,9 +1100,27 @@ do_addzone(SSL* ssl, xfrd_state_t* xfrd, char* arg) /* check that the pattern exists */ if(!rbtree_search(xfrd->nsd->options->patterns, arg2)) { - (void)ssl_printf(ssl, "error pattern does not exist\n"); + (void)ssl_printf(ssl, "error pattern %s does not exist\n", + arg2); + return; + } + + dname = dname_parse(xfrd->region, arg); + if(!dname) { + (void)ssl_printf(ssl, "error cannot parse zone name\n"); + return; + } + + /* see if zone is a duplicate */ + if( (zopt=zone_options_find(xfrd->nsd->options, dname)) ) { + region_recycle(xfrd->region, (void*)dname, + dname_total_size(dname)); + (void)ssl_printf(ssl, "zone %s already exists\n", arg); + send_ok(ssl); /* a nop operation */ return; } + region_recycle(xfrd->region, (void*)dname, dname_total_size(dname)); + dname = NULL; /* add to zonelist and adds to config in memory */ zopt = zone_list_add(xfrd->nsd->options, arg, arg2); |