/** parse args into delegpt */
static struct delegpt*
parse_delegpt(SSL* ssl, struct regional* region, char* args, uint8_t* root)
{
/* parse args and add in */
char* p = args;
char* todo;
struct delegpt* dp = delegpt_create(region);
struct sockaddr_storage addr;
socklen_t addrlen;
if(!dp || !delegpt_set_name(dp, region, root)) {
(void)ssl_printf(ssl, "error out of memory\n");
return NULL;
}
while(p) {
todo = p;
p = strchr(p, ' '); /* find next spot, if any */
if(p) {
*p++ = 0; /* end this spot */
p = skipwhite(p); /* position at next spot */
}
/* parse address */
if(!extstrtoaddr(todo, &addr, &addrlen)) {
(void)ssl_printf(ssl, "error cannot parse"
" IP address '%s'\n", todo);
return NULL;
}
/* add address */
if(!delegpt_add_addr(dp, region, &addr, addrlen, 0, 0, 1)) {
(void)ssl_printf(ssl, "error out of memory\n");
return NULL;
}
}
return dp;
}
/** open TCP socket to svr */
static int
open_svr(const char* svr, int udp)
{
struct sockaddr_storage addr;
socklen_t addrlen;
int fd = -1;
/* svr can be ip@port */
memset(&addr, 0, sizeof(addr));
if(!extstrtoaddr(svr, &addr, &addrlen)) {
printf("fatal: bad server specs '%s'\n", svr);
exit(1);
}
fd = socket(addr_is_ip6(&addr, addrlen)?PF_INET6:PF_INET,
udp?SOCK_DGRAM:SOCK_STREAM, 0);
if(fd == -1) {
#ifndef USE_WINSOCK
perror("socket() error");
#else
printf("socket: %s\n", wsa_strerror(WSAGetLastError()));
#endif
exit(1);
}
if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) {
#ifndef USE_WINSOCK
perror("connect() error");
#else
printf("connect: %s\n", wsa_strerror(WSAGetLastError()));
#endif
exit(1);
}
return fd;
}
/** check interface strings */
static void
interfacechecks(struct config_file* cfg)
{
struct sockaddr_storage a;
socklen_t alen;
int i, j;
for(i=0; i<cfg->num_ifs; i++) {
if(!extstrtoaddr(cfg->ifs[i], &a, &alen)) {
fatal_exit("cannot parse interface specified as '%s'",
cfg->ifs[i]);
}
for(j=0; j<cfg->num_ifs; j++) {
if(i!=j && strcmp(cfg->ifs[i], cfg->ifs[j])==0)
fatal_exit("interface: %s present twice, "
"cannot bind same ports twice.",
cfg->ifs[i]);
}
}
for(i=0; i<cfg->num_out_ifs; i++) {
if(!ipstrtoaddr(cfg->out_ifs[i], UNBOUND_DNS_PORT,
&a, &alen)) {
fatal_exit("cannot parse outgoing-interface "
"specified as '%s'", cfg->out_ifs[i]);
}
for(j=0; j<cfg->num_out_ifs; j++) {
if(i!=j && strcmp(cfg->out_ifs[i], cfg->out_ifs[j])==0)
fatal_exit("outgoing-interface: %s present "
"twice, cannot bind same ports twice.",
cfg->out_ifs[i]);
}
}
}
/** contact the server with TCP connect */
static int
contact_server(const char* svr, struct config_file* cfg, int statuscmd)
{
struct sockaddr_storage addr;
socklen_t addrlen;
int fd;
/* use svr or the first config entry */
if(!svr) {
if(cfg->control_ifs)
svr = cfg->control_ifs->str;
else svr = "127.0.0.1";
/* config 0 addr (everything), means ask localhost */
if(strcmp(svr, "0.0.0.0") == 0)
svr = "127.0.0.1";
else if(strcmp(svr, "::0") == 0 ||
strcmp(svr, "0::0") == 0 ||
strcmp(svr, "0::") == 0 ||
strcmp(svr, "::") == 0)
svr = "::1";
}
if(strchr(svr, '@')) {
if(!extstrtoaddr(svr, &addr, &addrlen))
fatal_exit("could not parse IP@port: %s", svr);
} else {
if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen))
fatal_exit("could not parse IP: %s", svr);
}
fd = socket(addr_is_ip6(&addr, addrlen)?AF_INET6:AF_INET,
SOCK_STREAM, 0);
if(fd == -1) {
#ifndef USE_WINSOCK
fatal_exit("socket: %s", strerror(errno));
#else
fatal_exit("socket: %s", wsa_strerror(WSAGetLastError()));
#endif
}
if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) {
log_addr(0, "address", &addr, addrlen);
#ifndef USE_WINSOCK
log_err("connect: %s", strerror(errno));
if(errno == ECONNREFUSED && statuscmd) {
printf("unbound is stopped\n");
exit(3);
}
#else
log_err("connect: %s", wsa_strerror(WSAGetLastError()));
if(WSAGetLastError() == WSAECONNREFUSED && statuscmd) {
printf("unbound is stopped\n");
exit(3);
}
#endif
exit(1);
}
return fd;
}
/** set stub server addresses */
static int
read_stubs_addr(struct config_stub* s, struct delegpt* dp)
{
struct config_strlist* p;
struct sockaddr_storage addr;
socklen_t addrlen;
for(p = s->addrs; p; p = p->next) {
log_assert(p->str);
if(!extstrtoaddr(p->str, &addr, &addrlen)) {
log_err("cannot parse stub %s ip address: '%s'",
s->name, p->str);
return 0;
}
if(!delegpt_add_addr_mlc(dp, &addr, addrlen, 0, 0)) {
log_err("out of memory");
return 0;
}
}
return 1;
}
/** emit warnings for IP in hosts */
static void
warn_hosts(const char* typ, struct config_stub* list)
{
struct sockaddr_storage a;
socklen_t alen;
struct config_stub* s;
struct config_strlist* h;
for(s=list; s; s=s->next) {
for(h=s->hosts; h; h=h->next) {
if(extstrtoaddr(h->str, &a, &alen)) {
fprintf(stderr, "unbound-checkconf: warning:"
" %s %s: \"%s\" is an IP%s address, "
"and when looked up as a host name "
"during use may not resolve.\n",
s->name, typ, h->str,
addr_is_ip6(&a, alen)?"6":"4");
}
}
}
}
/** add hint to delegation hints */
static int
ah(struct delegpt* dp, const char* sv, const char* ip)
{
struct sockaddr_storage addr;
socklen_t addrlen;
ldns_rdf* rdf = ldns_dname_new_frm_str(sv);
if(!rdf) {
log_err("could not parse %s", sv);
return 0;
}
if(!delegpt_add_ns_mlc(dp, ldns_rdf_data(rdf), 0) ||
!extstrtoaddr(ip, &addr, &addrlen) ||
!delegpt_add_target_mlc(dp, ldns_rdf_data(rdf), ldns_rdf_size(rdf),
&addr, addrlen, 0, 0)) {
ldns_rdf_deep_free(rdf);
return 0;
}
ldns_rdf_deep_free(rdf);
return 1;
}
/** add hint to delegation hints */
static int
ah(struct delegpt* dp, const char* sv, const char* ip)
{
struct sockaddr_storage addr;
socklen_t addrlen;
size_t dname_len;
uint8_t* dname = sldns_str2wire_dname(sv, &dname_len);
if(!dname) {
log_err("could not parse %s", sv);
return 0;
}
if(!delegpt_add_ns_mlc(dp, dname, 0) ||
!extstrtoaddr(ip, &addr, &addrlen) ||
!delegpt_add_target_mlc(dp, dname, dname_len,
&addr, addrlen, 0, 0)) {
free(dname);
return 0;
}
free(dname);
return 1;
}
int
ub_ctx_set_fwd(struct ub_ctx* ctx, char* addr)
{
struct sockaddr_storage storage;
socklen_t stlen;
struct config_stub* s;
char* dupl;
lock_basic_lock(&ctx->cfglock);
if(ctx->finalized) {
lock_basic_unlock(&ctx->cfglock);
errno=EINVAL;
return UB_AFTERFINAL;
}
if(!addr) {
/* disable fwd mode - the root stub should be first. */
if(ctx->env->cfg->forwards &&
strcmp(ctx->env->cfg->forwards->name, ".") == 0) {
s = ctx->env->cfg->forwards;
ctx->env->cfg->forwards = s->next;
s->next = NULL;
config_delstubs(s);
}
lock_basic_unlock(&ctx->cfglock);
return UB_NOERROR;
}
lock_basic_unlock(&ctx->cfglock);
/* check syntax for addr */
if(!extstrtoaddr(addr, &storage, &stlen)) {
errno=EINVAL;
return UB_SYNTAX;
}
/* it parses, add root stub in front of list */
lock_basic_lock(&ctx->cfglock);
if(!ctx->env->cfg->forwards ||
strcmp(ctx->env->cfg->forwards->name, ".") != 0) {
s = calloc(1, sizeof(*s));
if(!s) {
lock_basic_unlock(&ctx->cfglock);
errno=ENOMEM;
return UB_NOMEM;
}
s->name = strdup(".");
if(!s->name) {
free(s);
lock_basic_unlock(&ctx->cfglock);
errno=ENOMEM;
return UB_NOMEM;
}
s->next = ctx->env->cfg->forwards;
ctx->env->cfg->forwards = s;
} else {
log_assert(ctx->env->cfg->forwards);
s = ctx->env->cfg->forwards;
}
dupl = strdup(addr);
if(!dupl) {
lock_basic_unlock(&ctx->cfglock);
errno=ENOMEM;
return UB_NOMEM;
}
if(!cfg_strlist_insert(&s->addrs, dupl)) {
free(dupl);
lock_basic_unlock(&ctx->cfglock);
errno=ENOMEM;
return UB_NOMEM;
}
lock_basic_unlock(&ctx->cfglock);
return UB_NOERROR;
}
/** contact the server with TCP connect */
static int
contact_server(const char* svr, struct config_file* cfg, int statuscmd)
{
struct sockaddr_storage addr;
socklen_t addrlen;
int addrfamily = 0;
int fd;
/* use svr or the first config entry */
if(!svr) {
if(cfg->control_ifs)
svr = cfg->control_ifs->str;
else svr = "127.0.0.1";
/* config 0 addr (everything), means ask localhost */
if(strcmp(svr, "0.0.0.0") == 0)
svr = "127.0.0.1";
else if(strcmp(svr, "::0") == 0 ||
strcmp(svr, "0::0") == 0 ||
strcmp(svr, "0::") == 0 ||
strcmp(svr, "::") == 0)
svr = "::1";
}
if(strchr(svr, '@')) {
if(!extstrtoaddr(svr, &addr, &addrlen))
fatal_exit("could not parse IP@port: %s", svr);
#ifdef HAVE_SYS_UN_H
} else if(svr[0] == '/') {
struct sockaddr_un* usock = (struct sockaddr_un *) &addr;
usock->sun_family = AF_LOCAL;
#ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
usock->sun_len = (socklen_t)sizeof(usock);
#endif
(void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path));
addrlen = (socklen_t)sizeof(struct sockaddr_un);
addrfamily = AF_LOCAL;
#endif
} else {
if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen))
fatal_exit("could not parse IP: %s", svr);
}
if(addrfamily == 0)
addrfamily = addr_is_ip6(&addr, addrlen)?AF_INET6:AF_INET;
fd = socket(addrfamily, SOCK_STREAM, 0);
if(fd == -1) {
#ifndef USE_WINSOCK
fatal_exit("socket: %s", strerror(errno));
#else
fatal_exit("socket: %s", wsa_strerror(WSAGetLastError()));
#endif
}
if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) {
#ifndef USE_WINSOCK
log_err_addr("connect", strerror(errno), &addr, addrlen);
if(errno == ECONNREFUSED && statuscmd) {
printf("unbound is stopped\n");
exit(3);
}
#else
log_err_addr("connect", wsa_strerror(WSAGetLastError()), &addr, addrlen);
if(WSAGetLastError() == WSAECONNREFUSED && statuscmd) {
printf("unbound is stopped\n");
exit(3);
}
#endif
exit(1);
}
return fd;
}
/**
* Read a replay moment 'STEP' from file.
* @param remain: Rest of line (after STEP keyword).
* @param in: file to read from.
* @param name: name to print in errors.
* @param lineno: incremented as lines are read.
* @param ttl: for readentry
* @param or: for readentry
* @param prev: for readentry
* @return: range object to add to list, or NULL on error.
*/
static struct replay_moment*
replay_moment_read(char* remain, FILE* in, const char* name, int* lineno,
uint32_t* ttl, ldns_rdf** or, ldns_rdf** prev)
{
struct replay_moment* mom = (struct replay_moment*)malloc(
sizeof(struct replay_moment));
int skip = 0;
int readentry = 0;
if(!mom)
return NULL;
memset(mom, 0, sizeof(*mom));
if(sscanf(remain, " %d%n", &mom->time_step, &skip) != 1) {
log_err("%d: cannot read number: %s", *lineno, remain);
free(mom);
return NULL;
}
remain += skip;
while(isspace((int)*remain))
remain++;
if(parse_keyword(&remain, "NOTHING")) {
mom->evt_type = repevt_nothing;
} else if(parse_keyword(&remain, "QUERY")) {
mom->evt_type = repevt_front_query;
readentry = 1;
if(!extstrtoaddr("127.0.0.1", &mom->addr, &mom->addrlen))
fatal_exit("internal error");
} else if(parse_keyword(&remain, "CHECK_ANSWER")) {
mom->evt_type = repevt_front_reply;
readentry = 1;
} else if(parse_keyword(&remain, "CHECK_OUT_QUERY")) {
mom->evt_type = repevt_back_query;
readentry = 1;
} else if(parse_keyword(&remain, "REPLY")) {
mom->evt_type = repevt_back_reply;
readentry = 1;
} else if(parse_keyword(&remain, "TIMEOUT")) {
mom->evt_type = repevt_timeout;
} else if(parse_keyword(&remain, "TIME_PASSES")) {
mom->evt_type = repevt_time_passes;
while(isspace((int)*remain))
remain++;
if(parse_keyword(&remain, "EVAL")) {
while(isspace((int)*remain))
remain++;
mom->string = strdup(remain);
if(!mom->string) fatal_exit("out of memory");
if(strlen(mom->string)>0)
mom->string[strlen(mom->string)-1]=0;
remain += strlen(mom->string);
}
} else if(parse_keyword(&remain, "CHECK_AUTOTRUST")) {
mom->evt_type = repevt_autotrust_check;
while(isspace((int)*remain))
remain++;
if(strlen(remain)>0 && remain[strlen(remain)-1]=='\n')
remain[strlen(remain)-1] = 0;
mom->autotrust_id = strdup(remain);
if(!mom->autotrust_id) fatal_exit("out of memory");
read_file_content(in, lineno, mom);
} else if(parse_keyword(&remain, "ERROR")) {
mom->evt_type = repevt_error;
} else if(parse_keyword(&remain, "TRAFFIC")) {
mom->evt_type = repevt_traffic;
} else if(parse_keyword(&remain, "ASSIGN")) {
mom->evt_type = repevt_assign;
read_assign_step(remain, mom);
} else if(parse_keyword(&remain, "INFRA_RTT")) {
char *s, *m;
mom->evt_type = repevt_infra_rtt;
while(isspace((int)*remain))
remain++;
s = remain;
remain = strchr(s, ' ');
if(!remain) fatal_exit("expected three args for INFRA_RTT");
remain[0] = 0;
remain++;
while(isspace((int)*remain))
remain++;
m = strchr(remain, ' ');
if(!m) fatal_exit("expected three args for INFRA_RTT");
m[0] = 0;
m++;
while(isspace((int)*m))
m++;
if(!extstrtoaddr(s, &mom->addr, &mom->addrlen))
fatal_exit("bad infra_rtt address %s", s);
if(strlen(m)>0 && m[strlen(m)-1]=='\n')
m[strlen(m)-1] = 0;
mom->variable = strdup(remain);
mom->string = strdup(m);
if(!mom->string) fatal_exit("out of memory");
if(!mom->variable) fatal_exit("out of memory");
} else {
log_err("%d: unknown event type %s", *lineno, remain);
free(mom);
return NULL;
}
while(isspace((int)*remain))
remain++;
if(parse_keyword(&remain, "ADDRESS")) {
while(isspace((int)*remain))
remain++;
if(strlen(remain) > 0) /* remove \n */
remain[strlen(remain)-1] = 0;
if(!extstrtoaddr(remain, &mom->addr, &mom->addrlen)) {
log_err("line %d: could not parse ADDRESS: %s",
*lineno, remain);
free(mom);
return NULL;
}
}
if(parse_keyword(&remain, "ELAPSE")) {
double sec;
errno = 0;
sec = strtod(remain, &remain);
if(sec == 0. && errno != 0) {
log_err("line %d: could not parse ELAPSE: %s (%s)",
*lineno, remain, strerror(errno));
free(mom);
return NULL;
}
#ifndef S_SPLINT_S
mom->elapse.tv_sec = (int)sec;
mom->elapse.tv_usec = (int)((sec - (double)mom->elapse.tv_sec)
*1000000. + 0.5);
#endif
}
if(readentry) {
mom->match = read_entry(in, name, lineno, ttl, or, prev, 1);
if(!mom->match) {
free(mom);
return NULL;
}
}
return mom;
}
/**
* Read a range from file.
* @param remain: Rest of line (after RANGE keyword).
* @param in: file to read from.
* @param name: name to print in errors.
* @param lineno: incremented as lines are read.
* @param line: line buffer.
* @param ttl: for readentry
* @param or: for readentry
* @param prev: for readentry
* @return: range object to add to list, or NULL on error.
*/
static struct replay_range*
replay_range_read(char* remain, FILE* in, const char* name, int* lineno,
char* line, uint32_t* ttl, ldns_rdf** or, ldns_rdf** prev)
{
struct replay_range* rng = (struct replay_range*)malloc(
sizeof(struct replay_range));
off_t pos;
char *parse;
struct entry* entry, *last = NULL;
if(!rng)
return NULL;
memset(rng, 0, sizeof(*rng));
/* read time range */
if(sscanf(remain, " %d %d", &rng->start_step, &rng->end_step)!=2) {
log_err("Could not read time range: %s", line);
free(rng);
return NULL;
}
/* read entries */
pos = ftello(in);
while(fgets(line, MAX_LINE_LEN-1, in)) {
(*lineno)++;
parse = line;
while(isspace((int)*parse))
parse++;
if(!*parse || *parse == ';') {
pos = ftello(in);
continue;
}
if(parse_keyword(&parse, "ADDRESS")) {
while(isspace((int)*parse))
parse++;
strip_end_white(parse);
if(!extstrtoaddr(parse, &rng->addr, &rng->addrlen)) {
log_err("Line %d: could not read ADDRESS: %s",
*lineno, parse);
free(rng);
return NULL;
}
pos = ftello(in);
continue;
}
if(parse_keyword(&parse, "RANGE_END")) {
return rng;
}
/* set position before line; read entry */
(*lineno)--;
fseeko(in, pos, SEEK_SET);
entry = read_entry(in, name, lineno, ttl, or, prev, 1);
if(!entry)
fatal_exit("%d: bad entry", *lineno);
entry->next = NULL;
if(last)
last->next = entry;
else rng->match = entry;
last = entry;
pos = ftello(in);
}
replay_range_delete(rng);
return NULL;
}
int ub_ctx_set_stub(struct ub_ctx* ctx, const char* zone, const char* addr,
int isprime)
{
char* a;
struct config_stub **prev, *elem;
/* check syntax for zone name */
if(zone) {
uint8_t* nm;
int nmlabs;
size_t nmlen;
if(!parse_dname(zone, &nm, &nmlen, &nmlabs)) {
errno=EINVAL;
return UB_SYNTAX;
}
free(nm);
} else {
zone = ".";
}
/* check syntax for addr (if not NULL) */
if(addr) {
struct sockaddr_storage storage;
socklen_t stlen;
if(!extstrtoaddr(addr, &storage, &stlen)) {
errno=EINVAL;
return UB_SYNTAX;
}
}
lock_basic_lock(&ctx->cfglock);
if(ctx->finalized) {
lock_basic_unlock(&ctx->cfglock);
errno=EINVAL;
return UB_AFTERFINAL;
}
/* arguments all right, now find or add the stub */
prev = &ctx->env->cfg->stubs;
elem = cfg_stub_find(&prev, zone);
if(!elem && !addr) {
/* not found and we want to delete, nothing to do */
lock_basic_unlock(&ctx->cfglock);
return UB_NOERROR;
} else if(elem && !addr) {
/* found, and we want to delete */
*prev = elem->next;
config_delstub(elem);
lock_basic_unlock(&ctx->cfglock);
return UB_NOERROR;
} else if(!elem) {
/* not found, create the stub entry */
elem=(struct config_stub*)calloc(1, sizeof(struct config_stub));
if(elem) elem->name = strdup(zone);
if(!elem || !elem->name) {
free(elem);
lock_basic_unlock(&ctx->cfglock);
errno = ENOMEM;
return UB_NOMEM;
}
elem->next = ctx->env->cfg->stubs;
ctx->env->cfg->stubs = elem;
}
/* add the address to the list and set settings */
elem->isprime = isprime;
a = strdup(addr);
if(!a) {
lock_basic_unlock(&ctx->cfglock);
errno = ENOMEM;
return UB_NOMEM;
}
if(!cfg_strlist_insert(&elem->addrs, a)) {
lock_basic_unlock(&ctx->cfglock);
errno = ENOMEM;
return UB_NOMEM;
}
lock_basic_unlock(&ctx->cfglock);
return UB_NOERROR;
}
/** delayer main service routine */
static void
service(const char* bind_str, int bindport, const char* serv_str,
size_t memsize, int delay_msec)
{
struct sockaddr_storage bind_addr, srv_addr;
socklen_t bind_len, srv_len;
struct ringbuf* ring = ring_create(memsize);
struct timeval delay, reuse;
sldns_buffer* pkt;
int i, s, listen_s;
#ifndef S_SPLINT_S
delay.tv_sec = delay_msec / 1000;
delay.tv_usec = (delay_msec % 1000)*1000;
#endif
reuse = delay; /* reuse is max(4*delay, 1 second) */
dl_tv_add(&reuse, &delay);
dl_tv_add(&reuse, &delay);
dl_tv_add(&reuse, &delay);
if(reuse.tv_sec == 0)
reuse.tv_sec = 1;
if(!extstrtoaddr(serv_str, &srv_addr, &srv_len)) {
printf("cannot parse forward address: %s\n", serv_str);
exit(1);
}
pkt = sldns_buffer_new(65535);
if(!pkt)
fatal_exit("out of memory");
if( signal(SIGINT, delayer_sigh) == SIG_ERR ||
#ifdef SIGHUP
signal(SIGHUP, delayer_sigh) == SIG_ERR ||
#endif
#ifdef SIGQUIT
signal(SIGQUIT, delayer_sigh) == SIG_ERR ||
#endif
#ifdef SIGBREAK
signal(SIGBREAK, delayer_sigh) == SIG_ERR ||
#endif
#ifdef SIGALRM
signal(SIGALRM, delayer_sigh) == SIG_ERR ||
#endif
signal(SIGTERM, delayer_sigh) == SIG_ERR)
fatal_exit("could not bind to signal");
/* bind UDP port */
if((s = socket(str_is_ip6(bind_str)?AF_INET6:AF_INET,
SOCK_DGRAM, 0)) == -1) {
#ifndef USE_WINSOCK
fatal_exit("socket: %s", strerror(errno));
#else
fatal_exit("socket: %s", wsa_strerror(WSAGetLastError()));
#endif
}
i=0;
if(bindport == 0) {
bindport = 1024 + random()%64000;
i = 100;
}
while(1) {
if(!ipstrtoaddr(bind_str, bindport, &bind_addr, &bind_len)) {
printf("cannot parse listen address: %s\n", bind_str);
exit(1);
}
if(bind(s, (struct sockaddr*)&bind_addr, bind_len) == -1) {
#ifndef USE_WINSOCK
log_err("bind: %s", strerror(errno));
#else
log_err("bind: %s", wsa_strerror(WSAGetLastError()));
#endif
if(i--==0)
fatal_exit("cannot bind any port");
bindport = 1024 + random()%64000;
} else break;
}
fd_set_nonblock(s);
/* and TCP port */
if((listen_s = socket(str_is_ip6(bind_str)?AF_INET6:AF_INET,
SOCK_STREAM, 0)) == -1) {
#ifndef USE_WINSOCK
fatal_exit("tcp socket: %s", strerror(errno));
#else
fatal_exit("tcp socket: %s", wsa_strerror(WSAGetLastError()));
#endif
}
#ifdef SO_REUSEADDR
if(1) {
int on = 1;
if(setsockopt(listen_s, SOL_SOCKET, SO_REUSEADDR, (void*)&on,
(socklen_t)sizeof(on)) < 0)
#ifndef USE_WINSOCK
fatal_exit("setsockopt(.. SO_REUSEADDR ..) failed: %s",
strerror(errno));
#else
fatal_exit("setsockopt(.. SO_REUSEADDR ..) failed: %s",
wsa_strerror(WSAGetLastError()));
#endif
}
#endif
if(bind(listen_s, (struct sockaddr*)&bind_addr, bind_len) == -1) {
#ifndef USE_WINSOCK
fatal_exit("tcp bind: %s", strerror(errno));
#else
fatal_exit("tcp bind: %s", wsa_strerror(WSAGetLastError()));
#endif
}
if(listen(listen_s, 5) == -1) {
#ifndef USE_WINSOCK
fatal_exit("tcp listen: %s", strerror(errno));
#else
fatal_exit("tcp listen: %s", wsa_strerror(WSAGetLastError()));
#endif
}
fd_set_nonblock(listen_s);
printf("listening on port: %d\n", bindport);
/* process loop */
do_quit = 0;
service_loop(s, listen_s, ring, &delay, &reuse, &srv_addr, srv_len,
pkt);
/* cleanup */
verbose(1, "cleanup");
#ifndef USE_WINSOCK
close(s);
close(listen_s);
#else
closesocket(s);
closesocket(listen_s);
#endif
sldns_buffer_free(pkt);
ring_delete(ring);
}
/** main program for perf */
int main(int argc, char* argv[])
{
char* nm = argv[0];
int c;
struct perfinfo info;
#ifdef USE_WINSOCK
int r;
WSADATA wsa_data;
#endif
/* defaults */
memset(&info, 0, sizeof(info));
info.io_num = 16;
log_init(NULL, 0, NULL);
log_ident_set("perf");
checklock_start();
#ifdef USE_WINSOCK
if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0)
fatal_exit("WSAStartup failed: %s", wsa_strerror(r));
#endif
info.buf = sldns_buffer_new(65553);
if(!info.buf) fatal_exit("out of memory");
/* parse the options */
while( (c=getopt(argc, argv, "d:ha:f:q")) != -1) {
switch(c) {
case 'q':
info.quiet = 1;
break;
case 'd':
if(atoi(optarg)==0 && strcmp(optarg, "0")!=0) {
printf("-d not a number %s", optarg);
return 1;
}
info.duration = atoi(optarg);
break;
case 'a':
qlist_add_line(&info, optarg, 0);
break;
case 'f':
qlist_read_file(&info, optarg);
break;
case '?':
case 'h':
default:
usage(nm);
}
}
argc -= optind;
argv += optind;
if(argc != 1) {
printf("error: pass server IP address on commandline.\n");
usage(nm);
}
if(!extstrtoaddr(argv[0], &info.dest, &info.destlen)) {
printf("Could not parse ip: %s\n", argv[0]);
return 1;
}
if(info.qlist_size == 0) {
printf("No queries to make, use -f or -a.\n");
return 1;
}
/* do the performance test */
perfmain(&info);
sldns_buffer_free(info.buf);
#ifdef USE_WINSOCK
WSACleanup();
#endif
checklock_stop();
return 0;
}