ex_network_ssl_nonblock.c File Reference

#include "nilorea/n_common.h"
#include "nilorea/n_log.h"
#include "nilorea/n_network.h"
#include "nilorea/n_str.h"
#include "nilorea/n_x509.h"
#include <poll.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/ssl.h>
#include <openssl/x509.h>

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Data Structures
struct	SRV
	server worker context More...

Macros
#define	MSG   "nonblock-client->server"
	client->server probe (both messages share this fixed length)
#define	MSG_LEN   24
	exchanged length: 23 chars + NUL, identical for MSG and REPLY
#define	REPLY   "nonblock-server->client"
	server->client probe

Functions
static NETWORK *	bind_free (char *port_out, size_t port_out_len)
static int	drive_connect (NETWORK *netw)
static int	drive_handshake (NETWORK *netw, int is_server, SSL_CTX *sctx)
static int	io_full (NETWORK *netw, char *buf, uint32_t n, int is_send)
static void	leave_stale_openssl_error (void)
	leave a genuine error on this thread's OpenSSL queue (portable: a failed PEM parse, no deprecated ERR_put_error / 3.0-only ERR_raise)
int	main (int argc, char **argv)
static SSL_CTX *	make_server_ctx (const N_STR *cert_pem, const N_STR *key_pem)
static int	poll_fd (SOCKET fd, int want_write, int timeout_ms)
static void	process_args (int argc, char **argv)
static void *	server_fn (void *p)

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Data Structure Documentation

SRV

struct SRV

server worker context

Examples

ex_network_alpn.c, ex_network_sni.c, and ex_network_ssl_nonblock.c.

Definition at line 67 of file ex_network_alpn.c.

Collaboration diagram for SRV:

Data Fields
CA_CTX *	ca	the CA to mint leaves with
SSL_CTX *	ctx	shared server ctx (owned by main)
char	h2_path[128]	the :path of the last HTTP/2 request
int	h2_requests	requests served over HTTP/2
NETWORK *	listen	the listening socket listening NETWORK
int	ok	set to 1 once the server completed the exchange
int	rounds_done	how many connections it served
char	selected[3][32]	what ALPN the server answered per round

Macro Definition Documentation

MSG

#define MSG   "nonblock-client->server"

client->server probe (both messages share this fixed length)

Examples

ex_network_ssl_nonblock.c.

Definition at line 50 of file ex_network_ssl_nonblock.c.

Referenced by main(), and server_fn().

MSG_LEN

#define MSG_LEN   24

exchanged length: 23 chars + NUL, identical for MSG and REPLY

Definition at line 54 of file ex_network_ssl_nonblock.c.

REPLY

#define REPLY   "nonblock-server->client"

server->client probe

Examples

ex_network_ssl_nonblock.c.

Definition at line 52 of file ex_network_ssl_nonblock.c.

Referenced by main(), and server_fn().

Function Documentation

bind_free()

NETWORK * bind_free ( char * port_out, size_t port_out_len )

static

Definition at line 281 of file ex_network_ssl_nonblock.c.

References netw_close(), netw_make_listening(), and NETWORK_IPALL.

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drive_connect()

int drive_connect ( NETWORK * netw )

static

Examples

ex_network_ssl_nonblock.c.

Definition at line 211 of file ex_network_ssl_nonblock.c.

References netw, netw_connect_check(), NETW_IO_WANT_WRITE, and poll_fd().

Referenced by main().

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drive_handshake()

int drive_handshake ( NETWORK * netw, int is_server, SSL_CTX * sctx )

static

Examples

ex_network_ssl_nonblock.c.

Definition at line 188 of file ex_network_ssl_nonblock.c.

References netw, NETW_IO_WANT_READ, NETW_IO_WANT_WRITE, netw_ssl_handshake_once(), netw_ssl_server_handshake_once(), and poll_fd().

Referenced by main(), and server_fn().

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io_full()

int io_full ( NETWORK * netw, char * buf, uint32_t n, int is_send )

static

Examples

ex_network_ssl_nonblock.c.

Definition at line 228 of file ex_network_ssl_nonblock.c.

References done, netw, NETW_IO_WANT_READ, NETW_IO_WANT_WRITE, poll_fd(), recv_ssl_data_once(), and send_ssl_data_once().

Referenced by main(), and server_fn().

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leave_stale_openssl_error()

void leave_stale_openssl_error ( void )

static

leave a genuine error on this thread's OpenSSL queue (portable: a failed PEM parse, no deprecated ERR_put_error / 3.0-only ERR_raise)

Examples

ex_network_ssl_nonblock.c.

Definition at line 60 of file ex_network_ssl_nonblock.c.

Referenced by main().

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main()

int main	(	int	argc,
		char **	argv )

Definition at line 297 of file ex_network_ssl_nonblock.c.

References bind_free(), cert, SRV::ctx, drive_connect(), drive_handshake(), failures, free_nstr, io_full(), key, leave_stale_openssl_error(), SRV::listen, LOG_ERR, LOG_NOTICE, make_server_ctx(), MSG, MSG_LEN, n_log, n_x509_generate_ca(), netw_close(), netw_connect_nonblock(), netw_init_openssl(), NETW_IO_WANT_READ, netw_ssl_set_verify(), netw_ssl_set_versions(), netw_ssl_start_client(), NETW_TLS_MAX_VERSION, netw_unload_openssl(), NETWORK_IPALL, SRV::ok, port, process_args(), recv_ssl_data_once(), REPLY, server_fn(), and set_log_level().

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make_server_ctx()

SSL_CTX * make_server_ctx ( const N_STR * cert_pem, const N_STR * key_pem )

static

Examples

ex_network_ssl_nonblock.c.

Definition at line 117 of file ex_network_ssl_nonblock.c.

References N_STR::data, NETW_TLS_MAX_VERSION, and N_STR::written.

Referenced by main().

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poll_fd()

int poll_fd ( SOCKET fd, int want_write, int timeout_ms )

static

Examples

ex_network_ssl_nonblock.c.

Definition at line 159 of file ex_network_ssl_nonblock.c.

Referenced by drive_connect(), drive_handshake(), io_full(), and server_fn().

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process_args()

void process_args ( int argc, char ** argv )

static

Definition at line 78 of file ex_network_ssl_nonblock.c.

References LOG_DEBUG, LOG_ERR, LOG_INFO, LOG_NOTICE, LOG_NULL, and set_log_level().

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server_fn()

void * server_fn ( void * p )

static

Definition at line 255 of file ex_network_ssl_nonblock.c.

References SRV::ctx, drive_handshake(), io_full(), NETWORK::link, SRV::listen, LOG_NOTICE, MSG, MSG_LEN, n_log, netw_accept_nonblock_from(), netw_close(), SRV::ok, poll_fd(), REPLY, and N_SOCKET::sock.

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