#include "includes.h"
-/****************************************************************************
- Return true if a string could be an IPv4 address.
-****************************************************************************/
-
-bool is_ipaddress_v4(const char *str)
-{
- int ret = -1;
- struct in_addr dest;
-
- ret = inet_pton(AF_INET, str, &dest);
- if (ret > 0) {
- return true;
- }
- return false;
-}
-
-/****************************************************************************
- Return true if a string could be an IPv4 or IPv6 address.
-****************************************************************************/
-
-bool is_ipaddress(const char *str)
-{
- int ret = -1;
-
-#if defined(HAVE_IPV6)
- if (strchr_m(str, ':')) {
- char addr[INET6_ADDRSTRLEN];
- struct in6_addr dest6;
- const char *sp = str;
- char *p = strchr_m(str, '%');
-
- /*
- * Cope with link-local.
- * This is IP:v6:addr%ifname.
- */
-
- if (p && (p > str) && (if_nametoindex(p+1) != 0)) {
- strlcpy(addr, str,
- MIN(PTR_DIFF(p,str)+1,
- sizeof(addr)));
- sp = addr;
- }
- ret = inet_pton(AF_INET6, addr, &dest6);
- if (ret > 0) {
- return true;
- }
- }
-#endif
- return is_ipaddress_v4(str);
-}
-
-/****************************************************************************
- Is a sockaddr_storage a broadcast address ?
-****************************************************************************/
-
-bool is_broadcast_addr(const struct sockaddr_storage *pss)
-{
-#if defined(HAVE_IPV6)
- if (pss->ss_family == AF_INET6) {
- const struct in6_addr *sin6 =
- &((const struct sockaddr_in6 *)pss)->sin6_addr;
- return IN6_IS_ADDR_MULTICAST(sin6);
- }
-#endif
- if (pss->ss_family == AF_INET) {
- uint32_t addr =
- ntohl(((const struct sockaddr_in *)pss)->sin_addr.s_addr);
- return addr == INADDR_BROADCAST;
- }
- return false;
-}
-
-/*******************************************************************
- Wrap getaddrinfo...
-******************************************************************/
-
-static bool interpret_string_addr_internal(struct addrinfo **ppres,
- const char *str, int flags)
-{
- int ret;
- struct addrinfo hints;
-
- memset(&hints, '\0', sizeof(hints));
- /* By default make sure it supports TCP. */
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = flags;
-
- ret = getaddrinfo(str, NULL,
- &hints,
- ppres);
- if (ret) {
- DEBUG(3,("interpret_string_addr_interal: getaddrinfo failed "
- "for name %s [%s]\n",
- str,
- gai_strerror(ret) ));
- return false;
- }
- return true;
-}
-
-/****************************************************************************
- Interpret an internet address or name into an IP address in 4 byte form.
- RETURNS IN NETWORK BYTE ORDER (big endian).
-****************************************************************************/
-
-uint32 interpret_addr(const char *str)
-{
- uint32 ret;
-
- /* If it's in the form of an IP address then
- * get the lib to interpret it */
- if (is_ipaddress_v4(str)) {
- struct in_addr dest;
-
- if (inet_pton(AF_INET, str, &dest) <= 0) {
- /* Error - this shouldn't happen ! */
- DEBUG(0,("interpret_addr: inet_pton failed "
- "host %s\n",
- str));
- return 0;
- }
- ret = dest.s_addr; /* NETWORK BYTE ORDER ! */
- } else {
- /* Otherwise assume it's a network name of some sort and use
- getadddrinfo. */
- struct addrinfo *res = NULL;
- struct addrinfo *res_list = NULL;
- if (!interpret_string_addr_internal(&res_list,
- str,
- AI_ADDRCONFIG)) {
- DEBUG(3,("interpret_addr: Unknown host. %s\n",str));
- return 0;
- }
-
- /* Find the first IPv4 address. */
- for (res = res_list; res; res = res->ai_next) {
- if (res->ai_family != AF_INET) {
- continue;
- }
- if (res->ai_addr == NULL) {
- continue;
- }
- break;
- }
- if(res == NULL) {
- DEBUG(3,("interpret_addr: host address is "
- "invalid for host %s\n",str));
- if (res_list) {
- freeaddrinfo(res_list);
- }
- return 0;
- }
- putip((char *)&ret,
- &((struct sockaddr_in *)res->ai_addr)->sin_addr.s_addr);
- if (res_list) {
- freeaddrinfo(res_list);
- }
- }
-
- /* This is so bogus - all callers need fixing... JRA. */
- if (ret == (uint32)-1) {
- return 0;
- }
-
- return ret;
-}
-
-/*******************************************************************
- A convenient addition to interpret_addr().
-******************************************************************/
-
-struct in_addr *interpret_addr2(struct in_addr *ip, const char *str)
-{
- uint32 a = interpret_addr(str);
- ip->s_addr = a;
- return ip;
-}
-
/*******************************************************************
Map a text hostname or IP address (IPv4 or IPv6) into a
struct sockaddr_storage.
const char *str,
int flags)
{
- char addr[INET6_ADDRSTRLEN];
struct addrinfo *res = NULL;
#if defined(HAVE_IPV6)
+ char addr[INET6_ADDRSTRLEN];
unsigned int scope_id = 0;
if (strchr_m(str, ':')) {
return true;
}
-/*******************************************************************
- Check if an IPv7 is 127.0.0.1
-******************************************************************/
-
-bool is_loopback_ip_v4(struct in_addr ip)
-{
- struct in_addr a;
- a.s_addr = htonl(INADDR_LOOPBACK);
- return(ip.s_addr == a.s_addr);
-}
-
-/*******************************************************************
- Check if a struct sockaddr_storage is the loopback address.
-******************************************************************/
-
-bool is_loopback_addr(const struct sockaddr_storage *pss)
-{
-#if defined(HAVE_IPV6)
- if (pss->ss_family == AF_INET6) {
- struct in6_addr *pin6 =
- &((struct sockaddr_in6 *)pss)->sin6_addr;
- return IN6_IS_ADDR_LOOPBACK(pin6);
- }
-#endif
- if (pss->ss_family == AF_INET) {
- struct in_addr *pin = &((struct sockaddr_in *)pss)->sin_addr;
- return is_loopback_ip_v4(*pin);
- }
- return false;
-}
-
-/*******************************************************************
- Check if an IPv4 is 0.0.0.0.
-******************************************************************/
-
-bool is_zero_ip_v4(struct in_addr ip)
-{
- uint32 a;
- putip((char *)&a,(char *)&ip);
- return(a == 0);
-}
-
-/*******************************************************************
- Check if a struct sockaddr_storage has an unspecified address.
-******************************************************************/
-
-bool is_zero_addr(const struct sockaddr_storage *pss)
-{
-#if defined(HAVE_IPV6)
- if (pss->ss_family == AF_INET6) {
- struct in6_addr *pin6 =
- &((struct sockaddr_in6 *)pss)->sin6_addr;
- return IN6_IS_ADDR_UNSPECIFIED(pin6);
- }
-#endif
- if (pss->ss_family == AF_INET) {
- struct in_addr *pin = &((struct sockaddr_in *)pss)->sin_addr;
- return is_zero_ip_v4(*pin);
- }
- return false;
-}
-
-/*******************************************************************
- Set an IP to 0.0.0.0.
-******************************************************************/
-
-void zero_ip_v4(struct in_addr *ip)
-{
- memset(ip, '\0', sizeof(struct in_addr));
-}
-
/*******************************************************************
Set an address to INADDR_ANY.
******************************************************************/
pss->ss_family = AF_INET;
}
-/*******************************************************************
- Are two IPs on the same subnet - IPv4 version ?
-********************************************************************/
-
-bool same_net_v4(struct in_addr ip1,struct in_addr ip2,struct in_addr mask)
-{
- uint32 net1,net2,nmask;
-
- nmask = ntohl(mask.s_addr);
- net1 = ntohl(ip1.s_addr);
- net2 = ntohl(ip2.s_addr);
-
- return((net1 & nmask) == (net2 & nmask));
-}
-
-/*******************************************************************
- Convert an IPv4 struct in_addr to a struct sockaddr_storage.
-********************************************************************/
-
-void in_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
- struct in_addr ip)
-{
- struct sockaddr_in *sa = (struct sockaddr_in *)ss;
- memset(ss, '\0', sizeof(*ss));
- ss->ss_family = AF_INET;
- sa->sin_addr = ip;
-}
-
-#if defined(HAVE_IPV6)
-/*******************************************************************
- Convert an IPv6 struct in_addr to a struct sockaddr_storage.
-********************************************************************/
-
-void in6_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
- struct in6_addr ip)
-{
- struct sockaddr_in6 *sa = (struct sockaddr_in6 *)ss;
- memset(ss, '\0', sizeof(*ss));
- ss->ss_family = AF_INET6;
- sa->sin6_addr = ip;
-}
-#endif
-
-/*******************************************************************
- Are two IPs on the same subnet?
-********************************************************************/
-
-bool same_net(const struct sockaddr_storage *ip1,
- const struct sockaddr_storage *ip2,
- const struct sockaddr_storage *mask)
-{
- if (ip1->ss_family != ip2->ss_family) {
- /* Never on the same net. */
- return false;
- }
-
-#if defined(HAVE_IPV6)
- if (ip1->ss_family == AF_INET6) {
- struct sockaddr_in6 ip1_6 = *(struct sockaddr_in6 *)ip1;
- struct sockaddr_in6 ip2_6 = *(struct sockaddr_in6 *)ip2;
- struct sockaddr_in6 mask_6 = *(struct sockaddr_in6 *)mask;
- char *p1 = (char *)&ip1_6.sin6_addr;
- char *p2 = (char *)&ip2_6.sin6_addr;
- char *m = (char *)&mask_6.sin6_addr;
- int i;
-
- for (i = 0; i < sizeof(struct in6_addr); i++) {
- *p1++ &= *m;
- *p2++ &= *m;
- m++;
- }
- return (memcmp(&ip1_6.sin6_addr,
- &ip2_6.sin6_addr,
- sizeof(struct in6_addr)) == 0);
- }
-#endif
- if (ip1->ss_family == AF_INET) {
- return same_net_v4(((const struct sockaddr_in *)ip1)->sin_addr,
- ((const struct sockaddr_in *)ip2)->sin_addr,
- ((const struct sockaddr_in *)mask)->sin_addr);
- }
- return false;
-}
-
-/*******************************************************************
- Are two sockaddr_storage's the same family and address ? Ignore port etc.
-********************************************************************/
-
-bool addr_equal(const struct sockaddr_storage *ip1,
- const struct sockaddr_storage *ip2)
-{
- if (ip1->ss_family != ip2->ss_family) {
- /* Never the same. */
- return false;
- }
-
-#if defined(HAVE_IPV6)
- if (ip1->ss_family == AF_INET6) {
- return (memcmp(&((const struct sockaddr_in6 *)ip1)->sin6_addr,
- &((const struct sockaddr_in6 *)ip2)->sin6_addr,
- sizeof(struct in6_addr)) == 0);
- }
-#endif
- if (ip1->ss_family == AF_INET) {
- return (memcmp(&((const struct sockaddr_in *)ip1)->sin_addr,
- &((const struct sockaddr_in *)ip2)->sin_addr,
- sizeof(struct in_addr)) == 0);
- }
- return false;
-}
-
-/****************************************************************************
- Is an IP address the INADDR_ANY or in6addr_any value ?
-****************************************************************************/
-
-bool is_address_any(const struct sockaddr_storage *psa)
-{
-#if defined(HAVE_IPV6)
- if (psa->ss_family == AF_INET6) {
- struct sockaddr_in6 *si6 = (struct sockaddr_in6 *)psa;
- if (memcmp(&in6addr_any,
- &si6->sin6_addr,
- sizeof(in6addr_any)) == 0) {
- return true;
- }
- return false;
- }
-#endif
- if (psa->ss_family == AF_INET) {
- struct sockaddr_in *si = (struct sockaddr_in *)psa;
- if (si->sin_addr.s_addr == INADDR_ANY) {
- return true;
- }
- return false;
- }
- return false;
-}
-
/****************************************************************************
Get a port number in host byte order from a sockaddr_storage.
****************************************************************************/
static char *print_sockaddr_len(char *dest,
size_t destlen,
- const struct sockaddr_storage *psa,
+ const struct sockaddr *psa,
socklen_t psalen)
{
if (destlen > 0) {
dest[0] = '\0';
}
- (void)sys_getnameinfo((const struct sockaddr *)psa,
+ (void)sys_getnameinfo(psa,
psalen,
dest, destlen,
NULL, 0,
size_t destlen,
const struct sockaddr_storage *psa)
{
- return print_sockaddr_len(dest, destlen, psa,
+ return print_sockaddr_len(dest, destlen, (struct sockaddr *)psa,
sizeof(struct sockaddr_storage));
}
char *dest = NULL;
int ret;
+ /* Linux getnameinfo() man pages says port is unitialized if
+ service name is NULL. */
+
ret = sys_getnameinfo((const struct sockaddr *)pss,
sizeof(struct sockaddr_storage),
addr, sizeof(addr),
NULL, 0,
NI_NUMERICHOST);
- if (ret) {
+ if (ret != 0) {
return NULL;
}
+
if (pss->ss_family != AF_INET) {
#if defined(HAVE_IPV6)
- /* IPv6 */
- const struct sockaddr_in6 *sa6 =
- (const struct sockaddr_in6 *)pss;
- uint16_t port = ntohs(sa6->sin6_port);
-
- if (port) {
- dest = talloc_asprintf(ctx,
- "[%s]:%d",
- addr,
- (unsigned int)port);
- } else {
- dest = talloc_asprintf(ctx,
- "[%s]",
- addr);
- }
+ dest = talloc_asprintf(ctx, "[%s]", addr);
#else
return NULL;
#endif
} else {
- const struct sockaddr_in *sa =
- (const struct sockaddr_in *)pss;
- uint16_t port = ntohs(sa->sin_port);
-
- if (port) {
- dest = talloc_asprintf(ctx,
- "%s:%d",
- addr,
- (unsigned int)port);
- } else {
- dest = talloc_asprintf(ctx,
- "%s",
- addr);
- }
+ dest = talloc_asprintf(ctx, "%s", addr);
}
+
return dest;
}
return addr_buf;
}
- return print_sockaddr_len(addr_buf, addr_len, &sa, length);
+ return print_sockaddr_len(addr_buf, addr_len, (struct sockaddr *)&sa, length);
}
#if 0
}
#endif
-void set_sockaddr_port(struct sockaddr_storage *psa, uint16 port)
-{
-#if defined(HAVE_IPV6)
- if (psa->ss_family == AF_INET6) {
- ((struct sockaddr_in6 *)psa)->sin6_port = htons(port);
- }
-#endif
- if (psa->ss_family == AF_INET) {
- ((struct sockaddr_in *)psa)->sin_port = htons(port);
- }
-}
-
const char *client_name(int fd)
{
return get_peer_name(fd,false);
}
if (ret != 0) {
- DEBUG(0,("Failed to set socket option %s (Error %s)\n",
+ /* be aware that some systems like Solaris return
+ * EINVAL to a setsockopt() call when the client
+ * sent a RST previously - no need to worry */
+ DEBUG(2,("Failed to set socket option %s (Error %s)\n",
tok, strerror(errno) ));
}
}
time_out = timeout in milliseconds
****************************************************************************/
-ssize_t read_socket_with_timeout(int fd,
- char *buf,
- size_t mincnt,
- size_t maxcnt,
- unsigned int time_out,
- enum smb_read_errors *pre)
+NTSTATUS read_socket_with_timeout(int fd, char *buf,
+ size_t mincnt, size_t maxcnt,
+ unsigned int time_out,
+ size_t *size_ret)
{
fd_set fds;
int selrtn;
/* just checking .... */
if (maxcnt <= 0)
- return(0);
-
- set_smb_read_error(pre,SMB_READ_OK);
+ return NT_STATUS_OK;
/* Blocking read */
if (time_out == 0) {
if (readret == 0) {
DEBUG(5,("read_socket_with_timeout: "
"blocking read. EOF from client.\n"));
- set_smb_read_error(pre,SMB_READ_EOF);
- return -1;
+ return NT_STATUS_END_OF_FILE;
}
if (readret == -1) {
"read error = %s.\n",
strerror(errno) ));
}
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ return map_nt_error_from_unix(errno);
}
nread += readret;
}
- return((ssize_t)nread);
+ goto done;
}
/* Most difficult - timeout read */
"read. select error = %s.\n",
strerror(errno) ));
}
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ return map_nt_error_from_unix(errno);
}
/* Did we timeout ? */
if (selrtn == 0) {
DEBUG(10,("read_socket_with_timeout: timeout read. "
"select timed out.\n"));
- set_smb_read_error(pre,SMB_READ_TIMEOUT);
- return -1;
+ return NT_STATUS_IO_TIMEOUT;
}
readret = sys_read(fd, buf+nread, maxcnt-nread);
/* we got EOF on the file descriptor */
DEBUG(5,("read_socket_with_timeout: timeout read. "
"EOF from client.\n"));
- set_smb_read_error(pre,SMB_READ_EOF);
- return -1;
+ return NT_STATUS_END_OF_FILE;
}
if (readret == -1) {
"read. read error = %s.\n",
strerror(errno) ));
}
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ return map_nt_error_from_unix(errno);
}
nread += readret;
}
+ done:
/* Return the number we got */
- return (ssize_t)nread;
+ if (size_ret) {
+ *size_ret = nread;
+ }
+ return NT_STATUS_OK;
}
/****************************************************************************
Read data from the client, reading exactly N bytes.
****************************************************************************/
-ssize_t read_data(int fd,char *buffer,size_t N, enum smb_read_errors *pre)
+NTSTATUS read_data(int fd, char *buffer, size_t N)
{
- ssize_t ret;
- size_t total=0;
- char addr[INET6_ADDRSTRLEN];
-
- set_smb_read_error(pre,SMB_READ_OK);
-
- while (total < N) {
- ret = sys_read(fd,buffer + total,N - total);
-
- if (ret == 0) {
- DEBUG(10,("read_data: read of %d returned 0. "
- "Error = %s\n",
- (int)(N - total), strerror(errno) ));
- set_smb_read_error(pre,SMB_READ_EOF);
- return 0;
- }
-
- if (ret == -1) {
- if (fd == get_client_fd()) {
- /* Try and give an error message saying
- * what client failed. */
- DEBUG(0,("read_data: read failure for %d "
- "bytes to client %s. Error = %s\n",
- (int)(N - total),
- get_peer_addr(fd,addr,sizeof(addr)),
- strerror(errno) ));
- } else {
- DEBUG(0,("read_data: read failure for %d. "
- "Error = %s\n",
- (int)(N - total),
- strerror(errno) ));
- }
- set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
- }
- total += ret;
- }
- return (ssize_t)total;
+ return read_socket_with_timeout(fd, buffer, N, N, 0, NULL);
}
/****************************************************************************
Timeout is in milliseconds.
****************************************************************************/
-ssize_t read_smb_length_return_keepalive(int fd,
- char *inbuf,
- unsigned int timeout,
- enum smb_read_errors *pre)
+NTSTATUS read_smb_length_return_keepalive(int fd, char *inbuf,
+ unsigned int timeout,
+ size_t *len)
{
- ssize_t len=0;
int msg_type;
- bool ok = false;
+ NTSTATUS status;
- while (!ok) {
- if (timeout > 0) {
- ok = (read_socket_with_timeout(fd,inbuf,4,4,
- timeout,pre) == 4);
- } else {
- ok = (read_data(fd,inbuf,4,pre) == 4);
- }
- if (!ok) {
- return -1;
- }
+ status = read_socket_with_timeout(fd, inbuf, 4, 4, timeout, NULL);
- len = smb_len(inbuf);
- msg_type = CVAL(inbuf,0);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
- if (msg_type == SMBkeepalive) {
- DEBUG(5,("Got keepalive packet\n"));
- }
+ *len = smb_len(inbuf);
+ msg_type = CVAL(inbuf,0);
+
+ if (msg_type == SMBkeepalive) {
+ DEBUG(5,("Got keepalive packet\n"));
}
- DEBUG(10,("got smb length of %lu\n",(unsigned long)len));
+ DEBUG(10,("got smb length of %lu\n",(unsigned long)(*len)));
- return len;
+ return NT_STATUS_OK;
}
/****************************************************************************
Timeout is in milliseconds.
****************************************************************************/
-ssize_t read_smb_length(int fd, char *inbuf, unsigned int timeout, enum smb_read_errors *pre)
+NTSTATUS read_smb_length(int fd, char *inbuf, unsigned int timeout,
+ size_t *len)
{
- ssize_t len;
+ uint8_t msgtype = SMBkeepalive;
- for(;;) {
- len = read_smb_length_return_keepalive(fd, inbuf, timeout, pre);
+ while (msgtype == SMBkeepalive) {
+ NTSTATUS status;
- if(len < 0)
- return len;
+ status = read_smb_length_return_keepalive(fd, inbuf, timeout,
+ len);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
- /* Ignore session keepalives. */
- if(CVAL(inbuf,0) != SMBkeepalive)
- break;
+ msgtype = CVAL(inbuf, 0);
}
DEBUG(10,("read_smb_length: got smb length of %lu\n",
(unsigned long)len));
- return len;
+ return NT_STATUS_OK;
}
/****************************************************************************
- Read an smb from a fd. Note that the buffer *MUST* be of size
- BUFFER_SIZE+SAFETY_MARGIN.
+ Read an smb from a fd.
The timeout is in milliseconds.
This function will return on receipt of a session keepalive packet.
maxlen is the max number of bytes to return, not including the 4 byte
- length. If zero it means BUFFER_SIZE+SAFETY_MARGIN limit.
+ length. If zero it means buflen limit.
Doesn't check the MAC on signed packets.
****************************************************************************/
-ssize_t receive_smb_raw(int fd,
- char *buffer,
- unsigned int timeout,
- size_t maxlen,
- enum smb_read_errors *pre)
+NTSTATUS receive_smb_raw(int fd, char *buffer, size_t buflen, unsigned int timeout,
+ size_t maxlen, size_t *p_len)
{
- ssize_t len,ret;
-
- set_smb_read_error(pre,SMB_READ_OK);
+ size_t len;
+ NTSTATUS status;
- len = read_smb_length_return_keepalive(fd,buffer,timeout,pre);
- if (len < 0) {
- DEBUG(10,("receive_smb_raw: length < 0!\n"));
+ status = read_smb_length_return_keepalive(fd,buffer,timeout,&len);
- /*
- * Correct fix. smb_read_error may have already been
- * set. Only set it here if not already set. Global
- * variables still suck :-). JRA.
- */
-
- cond_set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("receive_smb_raw: %s!\n", nt_errstr(status)));
+ return status;
}
- /*
- * A WRITEX with CAP_LARGE_WRITEX can be 64k worth of data plus 65 bytes
- * of header. Don't print the error if this fits.... JRA.
- */
-
- if (len > (BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE)) {
+ if (len > buflen) {
DEBUG(0,("Invalid packet length! (%lu bytes).\n",
(unsigned long)len));
- if (len > BUFFER_SIZE + (SAFETY_MARGIN/2)) {
-
- /*
- * Correct fix. smb_read_error may have already been
- * set. Only set it here if not already set. Global
- * variables still suck :-). JRA.
- */
-
- cond_set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
- }
+ return NT_STATUS_INVALID_PARAMETER;
}
if(len > 0) {
len = MIN(len,maxlen);
}
- if (timeout > 0) {
- ret = read_socket_with_timeout(fd,
- buffer+4,
- len,
- len,
- timeout,
- pre);
- } else {
- ret = read_data(fd,buffer+4,len,pre);
- }
+ status = read_socket_with_timeout(
+ fd, buffer+4, len, len, timeout, &len);
- if (ret != len) {
- cond_set_smb_read_error(pre,SMB_READ_ERROR);
- return -1;
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
/* not all of samba3 properly checks for packet-termination
SSVAL(buffer+4,len, 0);
}
- return len;
+ *p_len = len;
+ return NT_STATUS_OK;
}
/****************************************************************************
psa6->sin6_port = htons(port);
if (psa6->sin6_scope_id == 0 &&
IN6_IS_ADDR_LINKLOCAL(&psa6->sin6_addr)) {
- setup_linklocal_scope_id(&sock_out);
+ setup_linklocal_scope_id((struct sockaddr *)&sock_out);
}
}
#endif
return res;
}
-/****************************************************************************
- Create an outgoing TCP socket to any of the addrs. This is for
- simultaneous connects to port 445 and 139 of a host or even a variety
- of DC's all of which are equivalent for our purposes.
-**************************************************************************/
+/*******************************************************************
+ Create an outgoing TCP socket to the first addr that connects.
+
+ This is for simultaneous connection attempts to port 445 and 139 of a host
+ or for simultatneous connection attempts to multiple DCs at once. We return
+ a socket fd of the first successful connection.
+
+ @param[in] addrs list of Internet addresses and ports to connect to
+ @param[in] num_addrs number of address/port pairs in the addrs list
+ @param[in] timeout time after which we stop waiting for a socket connection
+ to succeed, given in milliseconds
+ @param[out] fd_index the entry in addrs which we successfully connected to
+ @param[out] fd fd of the open and connected socket
+ @return true on a successful connection, false if all connection attempts
+ failed or we timed out
+*******************************************************************/
bool open_any_socket_out(struct sockaddr_storage *addrs, int num_addrs,
int timeout, int *fd_index, int *fd)
int res;
struct in_addr addr;
- (void)interpret_addr2(&addr, host);
+ addr = interpret_addr2(host);
res = socket(PF_INET, type, 0);
if (res == -1) {
static const char *get_peer_addr_internal(int fd,
char *addr_buf,
size_t addr_buf_len,
- struct sockaddr_storage *pss,
+ struct sockaddr *pss,
socklen_t *plength)
{
struct sockaddr_storage ss;
}
if (pss == NULL) {
- pss = &ss;
- }
- if (plength == NULL) {
+ pss = (struct sockaddr *)&ss;
plength = &length;
}
******************************************************************/
static bool matchname(const char *remotehost,
- const struct sockaddr_storage *pss,
+ const struct sockaddr *pss,
socklen_t len)
{
struct addrinfo *res = NULL;
if (!res->ai_addr) {
continue;
}
- if (addr_equal((const struct sockaddr_storage *)res->ai_addr,
- pss)) {
+ if (addr_equal((const struct sockaddr *)res->ai_addr,
+ (struct sockaddr *)pss)) {
freeaddrinfo(ailist);
return true;
}
if (!memcache_lookup(
NULL, SINGLETON_CACHE,
- data_blob_string_const("get_peer_name"),
+ data_blob_string_const_null("get_peer_name"),
&tmp)) {
return false;
}
memcpy(tmp.data+sizeof(nc->ss), nc->name, namelen+1);
memcache_add(NULL, SINGLETON_CACHE,
- data_blob_string_const("get_peer_name"),
+ data_blob_string_const_null("get_peer_name"),
tmp);
data_blob_free(&tmp);
}
if (!lp_hostname_lookups() && (force_lookup == false)) {
length = sizeof(nc.ss);
nc.name = get_peer_addr_internal(fd, addr_buf, sizeof(addr_buf),
- &nc.ss, &length);
+ (struct sockaddr *)&nc.ss, &length);
store_nc(&nc);
lookup_nc(&nc);
return nc.name ? nc.name : "UNKNOWN";
lookup_nc(&nc);
memset(&ss, '\0', sizeof(ss));
- p = get_peer_addr_internal(fd, addr_buf, sizeof(addr_buf), &ss, &length);
+ p = get_peer_addr_internal(fd, addr_buf, sizeof(addr_buf), (struct sockaddr *)&ss, &length);
/* it might be the same as the last one - save some DNS work */
- if (addr_equal(&ss, &nc.ss)) {
+ if (addr_equal((struct sockaddr *)&ss, (struct sockaddr *)&nc.ss)) {
return nc.name ? nc.name : "UNKNOWN";
}
gai_strerror(ret)));
strlcpy(name_buf, p, sizeof(name_buf));
} else {
- if (!matchname(name_buf, &ss, length)) {
+ if (!matchname(name_buf, (struct sockaddr *)&ss, length)) {
DEBUG(0,("Matchname failed on %s %s\n",name_buf,p));
strlcpy(name_buf,"UNKNOWN",sizeof(name_buf));
}
goto out_close;
}
- asprintf(&path, "%s/%s", socket_dir, socket_name);
- if (!path) {
+ if (asprintf(&path, "%s/%s", socket_dir, socket_name) == -1) {
goto out_close;
}
out_close:
SAFE_FREE(path);
- close(sock);
+ if (sock != -1)
+ close(sock);
out_umask:
umask(old_umask);
DATA_BLOB tmp;
if (memcache_lookup(NULL, SINGLETON_CACHE,
- data_blob_string_const("get_mydnsfullname"),
+ data_blob_string_const_null("get_mydnsfullname"),
&tmp)) {
SMB_ASSERT(tmp.length > 0);
return (const char *)tmp.data;
*/
memcache_add(NULL, SINGLETON_CACHE,
- data_blob_string_const("get_mydnsfullname"),
- data_blob_string_const(res->ai_canonname));
+ data_blob_string_const_null("get_mydnsfullname"),
+ data_blob_string_const_null(res->ai_canonname));
if (!memcache_lookup(NULL, SINGLETON_CACHE,
- data_blob_string_const("get_mydnsfullname"),
+ data_blob_string_const_null("get_mydnsfullname"),
&tmp)) {
tmp = data_blob_talloc(talloc_tos(), res->ai_canonname,
strlen(res->ai_canonname) + 1);
return false;
}
- if (is_zero_addr(&ss) || is_loopback_addr(&ss)) {
+ if (is_zero_addr((struct sockaddr *)&ss) ||
+ is_loopback_addr((struct sockaddr *)&ss)) {
return false;
}
}
n = get_interfaces(nics, MAX_INTERFACES);
for (i=0; i<n; i++) {
- if (addr_equal(&nics[i].ip, &ss)) {
+ if (addr_equal((struct sockaddr *)&nics[i].ip, (struct sockaddr *)&ss)) {
TALLOC_FREE(nics);
return true;
}