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mirror of https://github.com/samba-team/samba.git synced 2024-12-25 23:21:54 +03:00

even more cool! nmb-agent moved over to new vagent style, too!

This commit is contained in:
Luke Leighton 0001-01-01 00:00:00 +00:00
parent 7bb2e55d0d
commit 49c157eae4

View File

@ -37,157 +37,31 @@ extern int DEBUGLEVEL;
static int ClientNMB = -1;
struct sock_redir
{
int c;
int s;
int c_trn_id;
int s_trn_id;
struct nmb_state *n;
};
static uint32 num_socks = 0;
static struct sock_redir **socks = NULL;
/****************************************************************************
terminate sockent connection
****************************************************************************/
static void sock_redir_free(struct sock_redir *sock)
static void free_sock(void *sock)
{
DEBUG(10,("sock_redir_free: %d\n", sock->c));
if (sock->c != -1)
{
close(sock->c);
sock->c = -1;
}
if (sock->n != NULL)
{
free(sock->n);
sock->n = NULL;
}
free(sock);
}
/****************************************************************************
free a sockent array
****************************************************************************/
static void free_sock_array(uint32 num_entries, struct sock_redir **entries)
{
void(*fn)(void*) = (void(*)(void*))&sock_redir_free;
free_void_array(num_entries, (void**)entries, *fn);
}
/****************************************************************************
add a sockent state to the array
****************************************************************************/
static struct sock_redir* add_sock_to_array(uint32 *len,
struct sock_redir ***array,
struct sock_redir *sock)
{
int i;
for (i = 0; i < num_socks; i++)
{
if (socks[i] == NULL)
{
socks[i] = sock;
return sock;
}
}
return (struct sock_redir*)add_item_to_array(len,
(void***)array, (void*)sock);
}
/****************************************************************************
initiate sockent array
****************************************************************************/
void init_sock_redir(void)
{
socks = NULL;
num_socks = 0;
}
/****************************************************************************
terminate sockent array
****************************************************************************/
void free_sock_redir(void)
{
free_sock_array(num_socks, socks);
init_sock_redir();
}
/****************************************************************************
create a new sockent state from user credentials
****************************************************************************/
static struct sock_redir *sock_redir_get(int fd)
{
struct sock_redir *sock;
sock = (struct sock_redir*)malloc(sizeof(*sock));
if (sock == NULL)
{
return NULL;
}
ZERO_STRUCTP(sock);
sock->c = fd;
sock->s = -1;
sock->n = NULL;
DEBUG(10,("sock_redir_get:\tfd:\t%d\t\n", fd));
return sock;
}
/****************************************************************************
init sock state
****************************************************************************/
static void sock_add(int fd)
{
struct sock_redir *sock;
sock = sock_redir_get(fd);
if (sock != NULL)
{
add_sock_to_array(&num_socks, &socks, sock);
free(sock);
}
}
/****************************************************************************
delete a sockent state
****************************************************************************/
static BOOL sock_del(int fd)
{
int i;
for (i = 0; i < num_socks; i++)
{
if (socks[i] == NULL) continue;
if (socks[i]->c == fd)
{
sock_redir_free(socks[i]);
socks[i] = NULL;
return True;
}
}
return False;
}
static void filter_reply(struct packet_struct *p, int tr_id)
{
p->packet.nmb.header.name_trn_id = tr_id;
}
static BOOL process_cli_sock(struct sock_redir **sock)
static BOOL process_cli_sock(struct sock_redir **socks,
uint32 num_socks,
struct sock_redir *sock)
{
struct packet_struct *p;
struct nmb_state *nmb;
static uint16 trn_id = 0x0;
p = receive_packet((*sock)->c, NMB_SOCK_PACKET, 0);
p = receive_packet(sock->c, NMB_SOCK_PACKET, 0);
if (p == NULL)
{
DEBUG(0,("client closed connection\n"));
@ -201,10 +75,11 @@ static BOOL process_cli_sock(struct sock_redir **sock)
return False;
}
(*sock)->s = ClientNMB;
(*sock)->n = nmb;
(*sock)->c_trn_id = p->packet.nmb.header.name_trn_id;
(*sock)->s_trn_id = trn_id;
sock->s = ClientNMB;
sock->n = nmb;
sock->c_id = p->packet.nmb.header.name_trn_id;
sock->s_id = trn_id;
trn_id++;
if (trn_id > 0xffff)
{
@ -213,7 +88,7 @@ static BOOL process_cli_sock(struct sock_redir **sock)
DEBUG(10,("new trn_id: %d\n", trn_id));
filter_reply(p, (*sock)->s_trn_id);
filter_reply(p, sock->s_id);
nmb->ip = p->ip;
nmb->port = p->port;
@ -231,7 +106,9 @@ static BOOL process_cli_sock(struct sock_redir **sock)
return True;
}
static BOOL process_srv_sock(int fd)
static BOOL process_srv_sock(struct sock_redir **socks,
uint32 num_socks,
int fd)
{
int nmb_id;
int tr_id;
@ -261,11 +138,11 @@ static BOOL process_srv_sock(int fd)
continue;
}
tr_id = socks[i]->s_trn_id;
tr_id = socks[i]->s_id;
DEBUG(10,("list:\tfd:\t%d\tc_trn_id:\t%d\ttr_id:\t%d\n",
DEBUG(10,("list:\tfd:\t%d\tc_id:\t%d\ttr_id:\t%d\n",
socks[i]->c,
socks[i]->c_trn_id,
socks[i]->c_id,
tr_id));
if (nmb_id != tr_id)
@ -273,7 +150,7 @@ static BOOL process_srv_sock(int fd)
continue;
}
filter_reply(p, socks[i]->c_trn_id);
filter_reply(p, socks[i]->c_id);
p->fd = socks[i]->c;
p->packet_type = NMB_SOCK_PACKET;
@ -287,9 +164,9 @@ static BOOL process_srv_sock(int fd)
return False;
}
static void start_agent(void)
static int get_agent_sock(void*id)
{
int s, c;
int s;
struct sockaddr_un sa;
fstring path;
fstring dir;
@ -303,7 +180,7 @@ static void start_agent(void)
if (chmod(dir, 0777) < 0)
{
fprintf(stderr, "chmod on %s failed\n", sa.sun_path);
exit(1);
return -1;
}
@ -313,7 +190,7 @@ static void start_agent(void)
if (s < 0)
{
fprintf(stderr, "socket open failed\n");
exit(1);
return -1;
}
ZERO_STRUCT(sa);
@ -325,103 +202,43 @@ static void start_agent(void)
fprintf(stderr, "socket bind to %s failed\n", sa.sun_path);
close(s);
remove(path);
exit(1);
return -1;
}
if (s == -1)
{
DEBUG(0,("bind failed\n"));
remove(path);
exit(1);
return -1;
}
chmod(path, 0666);
if (listen(s, 5) == -1)
{
DEBUG(0,("listen failed\n"));
remove(path);
return -1;
}
while (1)
return s;
}
static void start_nmb_agent(void)
{
struct vagent_ops va =
{
int i;
fd_set fds;
int num;
struct sockaddr_un addr;
int in_addrlen = sizeof(addr);
int maxfd = s;
FD_ZERO(&fds);
FD_SET(s, &fds);
free_sock,
get_agent_sock,
process_cli_sock,
process_srv_sock,
NULL,
NULL,
0
};
CatchChild();
for (i = 0; i < num_socks; i++)
{
if (socks[i] != NULL)
{
int fd = socks[i]->c;
FD_SET(fd, &fds);
maxfd = MAX(maxfd, fd);
fd = socks[i]->s;
if (fd != -1)
{
FD_SET(fd, &fds);
maxfd = MAX(maxfd, fd);
}
}
}
dbgflush();
num = sys_select(maxfd+1,&fds,NULL, NULL);
if (num <= 0)
{
continue;
}
if (FD_ISSET(s, &fds))
{
FD_CLR(s, &fds);
c = accept(s, (struct sockaddr*)&addr, &in_addrlen);
if (c != -1)
{
sock_add(c);
}
}
for (i = 0; i < num_socks; i++)
{
if (socks[i] == NULL)
{
continue;
}
if (FD_ISSET(socks[i]->c, &fds))
{
FD_CLR(socks[i]->c, &fds);
if (!process_cli_sock(&socks[i]))
{
sock_redir_free(socks[i]);
socks[i] = NULL;
}
}
if (socks[i] == NULL)
{
continue;
}
if (socks[i]->n == NULL)
{
continue;
}
if (FD_ISSET(socks[i]->s, &fds))
{
FD_CLR(socks[i]->s, &fds);
if (!process_srv_sock(socks[i]->s))
{
sock_redir_free(socks[i]);
socks[i] = NULL;
}
}
}
}
start_agent(&va);
}
/******************************************************************************
@ -517,7 +334,7 @@ int main(int argc, char *argv[])
return 1;
}
start_agent();
start_nmb_agent();
return 0;
}