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authorAndrew Tridgell <tridge@samba.org>2004-10-17 13:21:24 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:59:58 -0500
commitb071fe60d7c819935064d9b3c66cbf8b6696e4f8 (patch)
tree067f43370aa9e1733f68fe49890580f7924ee795 /source4/lib/socket
parent6723885121554eebaf6e7a7720cb7afae57a3578 (diff)
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r3020: better error handling in socket_unix
(This used to be commit 64514ff5b7734667a1364de925114091fe208b3a)
Diffstat (limited to 'source4/lib/socket')
-rw-r--r--source4/lib/socket/socket_unix.c93
1 files changed, 43 insertions, 50 deletions
diff --git a/source4/lib/socket/socket_unix.c b/source4/lib/socket/socket_unix.c
index 7e169c47a7..1735c931b8 100644
--- a/source4/lib/socket/socket_unix.c
+++ b/source4/lib/socket/socket_unix.c
@@ -23,6 +23,40 @@
#include "includes.h"
+
+
+/*
+ approximate errno mapping
+*/
+static NTSTATUS unixdom_error(int ernum)
+{
+ switch (ernum) {
+ case EBADF:
+ case ENOTCONN:
+ case ENOTSOCK:
+ case EFAULT:
+ case EINVAL:
+ return NT_STATUS_INVALID_PARAMETER;
+ case EAGAIN:
+ case EINTR:
+ return STATUS_MORE_ENTRIES;
+ case ECONNREFUSED:
+ return NT_STATUS_CONNECTION_REFUSED;
+ case ENOBUFS:
+ case ENOMEM:
+ return NT_STATUS_NO_MEMORY;
+ case ENFILE:
+ case EMFILE:
+ return NT_STATUS_INSUFFICIENT_RESOURCES;
+ case EPIPE:
+ return NT_STATUS_CONNECTION_DISCONNECTED;
+ case EMSGSIZE:
+ return NT_STATUS_INVALID_BUFFER_SIZE;
+ }
+
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
static NTSTATUS unixdom_init(struct socket_context *sock)
{
sock->fd = socket(PF_UNIX, SOCK_STREAM, 0);
@@ -69,7 +103,7 @@ static NTSTATUS unixdom_connect(struct socket_context *sock,
ret = connect(sock->fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
if (ret == -1) {
- return NT_STATUS_CONNECTION_REFUSED;
+ return unixdom_error(errno);
}
sock->state = SOCKET_STATE_CLIENT_CONNECTED;
@@ -97,18 +131,18 @@ static NTSTATUS unixdom_listen(struct socket_context *sock,
ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
if (ret == -1) {
- return NT_STATUS_UNSUCCESSFUL;
+ return unixdom_error(errno);
}
ret = listen(sock->fd, queue_size);
if (ret == -1) {
- return NT_STATUS_INSUFFICIENT_RESOURCES;
+ return unixdom_error(errno);
}
if (!(flags & SOCKET_FLAG_BLOCK)) {
ret = set_blocking(sock->fd, False);
if (ret == -1) {
- return NT_STATUS_INVALID_PARAMETER;
+ return unixdom_error(errno);
}
}
@@ -128,7 +162,7 @@ static NTSTATUS unixdom_accept(struct socket_context *sock,
new_fd = accept(sock->fd, (struct sockaddr *)&cli_addr, &cli_addr_len);
if (new_fd == -1) {
- return NT_STATUS_INSUFFICIENT_RESOURCES;
+ return unixdom_error(errno);
}
(*new_sock) = talloc_p(NULL, struct socket_context);
@@ -180,23 +214,7 @@ static NTSTATUS unixdom_recv(struct socket_context *sock, TALLOC_CTX *mem_ctx,
talloc_free(buf);
return NT_STATUS_END_OF_FILE;
} else if (gotlen == -1) {
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- switch (errno) {
- case EBADF:
- case ENOTCONN:
- case ENOTSOCK:
- case EFAULT:
- case EINVAL:
- status = NT_STATUS_INVALID_PARAMETER;
- break;
- case EAGAIN:
- case EINTR:
- status = STATUS_MORE_ENTRIES;
- break;
- case ECONNREFUSED:
- status = NT_STATUS_CONNECTION_REFUSED;
- break;
- }
+ NTSTATUS status = unixdom_error(errno);
talloc_free(buf);
return status;
}
@@ -216,6 +234,8 @@ static NTSTATUS unixdom_send(struct socket_context *sock, TALLOC_CTX *mem_ctx,
ssize_t len;
int flgs = 0;
+ *sendlen = 0;
+
/* TODO: we need to map all flags here */
if (!(flags & SOCKET_FLAG_BLOCK)) {
flgs |= MSG_DONTWAIT;
@@ -223,34 +243,7 @@ static NTSTATUS unixdom_send(struct socket_context *sock, TALLOC_CTX *mem_ctx,
len = send(sock->fd, blob->data, blob->length, flgs);
if (len == -1) {
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- switch (errno) {
- case EBADF:
- case ENOTSOCK:
- case EFAULT:
- case EINVAL:
- status = NT_STATUS_INVALID_PARAMETER;
- break;
- case EMSGSIZE:
- status = NT_STATUS_INVALID_BUFFER_SIZE;
- break;
- case EAGAIN:
- /*case EWOULDBLOCK: this is an alis of EAGAIN --metze */
- case EINTR:
- *sendlen = 0;
- status = STATUS_MORE_ENTRIES;
- break;
- case ENOBUFS:
- status = NT_STATUS_FOOBAR;
- break;
- case ENOMEM:
- status = NT_STATUS_NO_MEMORY;
- break;
- case EPIPE:
- status = NT_STATUS_CONNECTION_DISCONNECTED;
- break;
- }
- return status;
+ return unixdom_error(errno);
}
*sendlen = len;