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-rw-r--r--source3/utils/nmb-agent.c275
1 files changed, 46 insertions, 229 deletions
diff --git a/source3/utils/nmb-agent.c b/source3/utils/nmb-agent.c
index 7e7b1642cb..fb0e72d461 100644
--- a/source3/utils/nmb-agent.c
+++ b/source3/utils/nmb-agent.c
@@ -37,143 +37,15 @@ 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)
-{
- 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)
+static void free_sock(void *sock)
{
- 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);
- }
-}
-
-/****************************************************************************
-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;
- }
+ free(sock);
}
-
- return False;
}
static void filter_reply(struct packet_struct *p, int tr_id)
@@ -181,13 +53,15 @@ 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)
- {
- 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);
-
- 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;
- }
+ return s;
+}
- if (FD_ISSET(s, &fds))
- {
- FD_CLR(s, &fds);
- c = accept(s, (struct sockaddr*)&addr, &in_addrlen);
- if (c != -1)
- {
- sock_add(c);
- }
- }
+static void start_nmb_agent(void)
+{
+ struct vagent_ops va =
+ {
+ 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)
- {
- 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;
}