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sockets: tls: Make secure sockets support posix APIs #11438

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merged 4 commits into from
Dec 10, 2018
Merged

sockets: tls: Make secure sockets support posix APIs #11438

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f8ce4ae
lib: fdtable: Add function to retrieve fd vtable
rlubos Nov 21, 2018
0cecf80
net: sockets: Extend socket vtable
rlubos Nov 22, 2018
d701b57
net: sockets: tls: Implement vtable for TLS sockets
rlubos Nov 22, 2018
1b1611d
net: sockets: Rework poll to support ioctl helper commands
rlubos Nov 23, 2018
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13 changes: 13 additions & 0 deletions include/misc/fdtable.h
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,16 @@ void z_free_fd(int fd);
*/
void *z_get_fd_obj(int fd, const struct fd_op_vtable *vtable, int err);

/**
* @brief Get underlying object pointer and vtable pointer from file descriptor.
*
* @param fd File descriptor previously returned by z_reserve_fd()
* @param vtable A pointer to a pointer variable to store the vtable
*
* @return Object pointer or NULL, with errno set
*/
void *z_get_fd_obj_and_vtable(int fd, const struct fd_op_vtable **vtable);

/**
* Request codes for fd_op_vtable.ioctl().
*
Expand All @@ -101,6 +111,9 @@ enum {
ZFD_IOCTL_CLOSE = 1,
ZFD_IOCTL_FSYNC,
ZFD_IOCTL_LSEEK,
ZFD_IOCTL_FCNTL,
ZFD_IOCTL_POLL_PREPARE,
ZFD_IOCTL_POLL_UPDATE,
};

#ifdef __cplusplus
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79 changes: 0 additions & 79 deletions include/net/socket.h
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Original file line number Diff line number Diff line change
Expand Up @@ -169,160 +169,81 @@ int zsock_getaddrinfo(const char *host, const char *service,
const struct zsock_addrinfo *hints,
struct zsock_addrinfo **res);

#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)

int ztls_socket(int family, int type, int proto);
int ztls_close(int sock);
int ztls_bind(int sock, const struct sockaddr *addr, socklen_t addrlen);
int ztls_connect(int sock, const struct sockaddr *addr, socklen_t addrlen);
int ztls_listen(int sock, int backlog);
int ztls_accept(int sock, struct sockaddr *addr, socklen_t *addrlen);
ssize_t ztls_send(int sock, const void *buf, size_t len, int flags);
ssize_t ztls_recv(int sock, void *buf, size_t max_len, int flags);
ssize_t ztls_sendto(int sock, const void *buf, size_t len, int flags,
const struct sockaddr *dest_addr, socklen_t addrlen);
ssize_t ztls_recvfrom(int sock, void *buf, size_t max_len, int flags,
struct sockaddr *src_addr, socklen_t *addrlen);
int ztls_fcntl(int sock, int cmd, int flags);
int ztls_poll(struct zsock_pollfd *fds, int nfds, int timeout);
int ztls_getsockopt(int sock, int level, int optname,
void *optval, socklen_t *optlen);
int ztls_setsockopt(int sock, int level, int optname,
const void *optval, socklen_t optlen);

#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */

#if defined(CONFIG_NET_SOCKETS_POSIX_NAMES)
#define pollfd zsock_pollfd
#if !defined(CONFIG_NET_SOCKETS_OFFLOAD)
static inline int socket(int family, int type, int proto)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_socket(family, type, proto);
#else
return zsock_socket(family, type, proto);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int close(int sock)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_close(sock);
#else
return zsock_close(sock);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int bind(int sock, const struct sockaddr *addr, socklen_t addrlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_bind(sock, addr, addrlen);
#else
return zsock_bind(sock, addr, addrlen);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int connect(int sock, const struct sockaddr *addr,
socklen_t addrlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_connect(sock, addr, addrlen);
#else
return zsock_connect(sock, addr, addrlen);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int listen(int sock, int backlog)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_listen(sock, backlog);
#else
return zsock_listen(sock, backlog);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int accept(int sock, struct sockaddr *addr, socklen_t *addrlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_accept(sock, addr, addrlen);
#else
return zsock_accept(sock, addr, addrlen);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline ssize_t send(int sock, const void *buf, size_t len, int flags)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_send(sock, buf, len, flags);
#else
return zsock_send(sock, buf, len, flags);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline ssize_t recv(int sock, void *buf, size_t max_len, int flags)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_recv(sock, buf, max_len, flags);
#else
return zsock_recv(sock, buf, max_len, flags);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

/* This conflicts with fcntl.h, so code must include fcntl.h before socket.h: */
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
#define fcntl ztls_fcntl
#else
#define fcntl zsock_fcntl
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */

static inline ssize_t sendto(int sock, const void *buf, size_t len, int flags,
const struct sockaddr *dest_addr,
socklen_t addrlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_sendto(sock, buf, len, flags, dest_addr, addrlen);
#else
return zsock_sendto(sock, buf, len, flags, dest_addr, addrlen);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline ssize_t recvfrom(int sock, void *buf, size_t max_len, int flags,
struct sockaddr *src_addr, socklen_t *addrlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_recvfrom(sock, buf, max_len, flags, src_addr, addrlen);
#else
return zsock_recvfrom(sock, buf, max_len, flags, src_addr, addrlen);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int poll(struct zsock_pollfd *fds, int nfds, int timeout)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_poll(fds, nfds, timeout);
#else
return zsock_poll(fds, nfds, timeout);
#endif /* defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS) */
}

static inline int getsockopt(int sock, int level, int optname,
void *optval, socklen_t *optlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_getsockopt(sock, level, optname, optval, optlen);
#else
return zsock_getsockopt(sock, level, optname, optval, optlen);
#endif
}

static inline int setsockopt(int sock, int level, int optname,
const void *optval, socklen_t optlen)
{
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
return ztls_setsockopt(sock, level, optname, optval, optlen);
#else
return zsock_setsockopt(sock, level, optname, optval, optlen);
#endif
}

static inline int getaddrinfo(const char *host, const char *service,
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14 changes: 14 additions & 0 deletions lib/fdtable.c
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,20 @@ void *z_get_fd_obj(int fd, const struct fd_op_vtable *vtable, int err)
return fd_entry->obj;
}

void *z_get_fd_obj_and_vtable(int fd, const struct fd_op_vtable **vtable)
{
struct fd_entry *fd_entry;

if (_check_fd(fd) < 0) {
return NULL;
}

fd_entry = &fdtable[fd];
*vtable = fd_entry->vtable;

return fd_entry->obj;
}

int z_reserve_fd(void)
{
int fd;
Expand Down
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