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https://github.com/matrix-construct/construct
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cf430c1a40
These operate on the SubjectPublicKeyInfo of the certificate, which does change unless the private key is changed. This allows the fingerprint to stay constant even if the certificate is reissued. (The same fingerprint is also used by DANE)
195 lines
6.1 KiB
C
195 lines
6.1 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* commio.h: A header for the network subsystem.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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*/
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#ifndef RB_LIB_H
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# error "Do not use commio.h directly"
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#endif
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#ifndef INCLUDED_commio_h
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#define INCLUDED_commio_h
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struct sockaddr;
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struct _fde;
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typedef struct _fde rb_fde_t;
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/* Callback for completed IO events */
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typedef void PF(rb_fde_t *, void *);
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/* Callback for completed connections */
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/* int fd, int status, void * */
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typedef void CNCB(rb_fde_t *, int, void *);
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/* callback for fd table dumps */
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typedef void DUMPCB(int, const char *desc, void *);
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/* callback for accept callbacks */
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typedef void ACCB(rb_fde_t *, int status, struct sockaddr *addr, rb_socklen_t len, void *);
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/* callback for pre-accept callback */
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typedef int ACPRE(rb_fde_t *, struct sockaddr *addr, rb_socklen_t len, void *);
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enum
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{
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RB_OK,
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RB_ERR_BIND,
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RB_ERR_DNS,
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RB_ERR_TIMEOUT,
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RB_ERR_CONNECT,
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RB_ERROR,
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RB_ERROR_SSL,
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RB_ERR_MAX
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};
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#define RB_FD_NONE 0x01
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#define RB_FD_FILE 0x02
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#define RB_FD_SOCKET 0x04
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#ifndef _WIN32
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#define RB_FD_PIPE 0x08
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#else
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#define RB_FD_PIPE RB_FD_SOCKET
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#endif
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#define RB_FD_LISTEN 0x10
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#define RB_FD_SSL 0x20
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#define RB_FD_UNKNOWN 0x40
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#define RB_RW_IO_ERROR -1 /* System call error */
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#define RB_RW_SSL_ERROR -2 /* SSL Error */
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#define RB_RW_SSL_NEED_READ -3 /* SSL Needs read */
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#define RB_RW_SSL_NEED_WRITE -4 /* SSL Needs write */
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struct rb_iovec
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{
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void *iov_base;
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size_t iov_len;
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};
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void rb_fdlist_init(int closeall, int maxfds, size_t heapsize);
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rb_fde_t *rb_open(rb_platform_fd_t, uint8_t, const char *);
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void rb_close(rb_fde_t *);
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void rb_dump_fd(DUMPCB *, void *xdata);
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void rb_note(rb_fde_t *, const char *);
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/* Type of IO */
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#define RB_SELECT_READ 0x1
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#define RB_SELECT_WRITE 0x2
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#define RB_SELECT_ACCEPT RB_SELECT_READ
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#define RB_SELECT_CONNECT RB_SELECT_WRITE
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#define RB_SSL_CERTFP_LEN 64
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/* Methods for certfp */
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/* Digest of full X.509 certificate */
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#define RB_SSL_CERTFP_METH_CERT_SHA1 0x0000
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#define RB_SSL_CERTFP_METH_CERT_SHA256 0x0001
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#define RB_SSL_CERTFP_METH_CERT_SHA512 0x0002
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/* Digest of SubjectPublicKeyInfo (RFC 5280), used by DANE (RFC 6698) */
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#define RB_SSL_CERTFP_METH_SPKI_SHA256 0x1001
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#define RB_SSL_CERTFP_METH_SPKI_SHA512 0x1002
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#define RB_SSL_CERTFP_LEN_SHA1 20
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#define RB_SSL_CERTFP_LEN_SHA256 32
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#define RB_SSL_CERTFP_LEN_SHA512 64
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int rb_set_nb(rb_fde_t *);
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int rb_set_buffers(rb_fde_t *, int);
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int rb_get_sockerr(rb_fde_t *);
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void rb_settimeout(rb_fde_t *, time_t, PF *, void *);
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void rb_checktimeouts(void *);
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void rb_connect_tcp(rb_fde_t *, struct sockaddr *, struct sockaddr *, int, CNCB *, void *, int);
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void rb_connect_tcp_ssl(rb_fde_t *, struct sockaddr *, struct sockaddr *, int, CNCB *, void *, int);
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int rb_connect_sockaddr(rb_fde_t *, struct sockaddr *addr, int len);
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const char *rb_errstr(int status);
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rb_fde_t *rb_socket(int family, int sock_type, int proto, const char *note);
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int rb_socketpair(int family, int sock_type, int proto, rb_fde_t **F1, rb_fde_t **F2,
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const char *note);
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void rb_accept_tcp(rb_fde_t *, ACPRE * precb, ACCB * callback, void *data);
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ssize_t rb_write(rb_fde_t *, const void *buf, int count);
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ssize_t rb_writev(rb_fde_t *, struct rb_iovec *vector, int count);
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ssize_t rb_read(rb_fde_t *, void *buf, int count);
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int rb_pipe(rb_fde_t **, rb_fde_t **, const char *desc);
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int rb_setup_ssl_server(const char *cert, const char *keyfile, const char *dhfile, const char *cipher_list);
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int rb_ssl_listen(rb_fde_t *, int backlog, int defer_accept);
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int rb_listen(rb_fde_t *, int backlog, int defer_accept);
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const char *rb_inet_ntop(int af, const void *src, char *dst, unsigned int size);
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int rb_inet_pton(int af, const char *src, void *dst);
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const char *rb_inet_ntop_sock(struct sockaddr *src, char *dst, unsigned int size);
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int rb_inet_pton_sock(const char *src, struct sockaddr *dst);
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int rb_getmaxconnect(void);
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int rb_ignore_errno(int);
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/* Generic wrappers */
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void rb_setselect(rb_fde_t *, unsigned int type, PF * handler, void *client_data);
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void rb_init_netio(void);
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int rb_select(unsigned long);
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int rb_fd_ssl(rb_fde_t *F);
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rb_platform_fd_t rb_get_fd(rb_fde_t *F);
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const char *rb_get_ssl_strerror(rb_fde_t *F);
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int rb_get_ssl_certfp(rb_fde_t *F, uint8_t certfp[RB_SSL_CERTFP_LEN], int method);
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rb_fde_t *rb_get_fde(rb_platform_fd_t fd);
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int rb_send_fd_buf(rb_fde_t *xF, rb_fde_t **F, int count, void *data, size_t datasize, pid_t pid);
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int rb_recv_fd_buf(rb_fde_t *F, void *data, size_t datasize, rb_fde_t **xF, int count);
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void rb_set_type(rb_fde_t *F, uint8_t type);
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uint8_t rb_get_type(rb_fde_t *F);
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const char *rb_get_iotype(void);
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typedef enum
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{
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RB_PRNG_FILE,
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#ifdef _WIN32
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RB_PRNGWIN32,
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#endif
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RB_PRNG_DEFAULT,
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} prng_seed_t;
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int rb_init_prng(const char *path, prng_seed_t seed_type);
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int rb_get_random(void *buf, size_t len);
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void rb_ssl_start_accepted(rb_fde_t *new_F, ACCB * cb, void *data, int timeout);
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void rb_ssl_start_connected(rb_fde_t *F, CNCB * callback, void *data, int timeout);
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int rb_supports_ssl(void);
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unsigned int rb_ssl_handshake_count(rb_fde_t *F);
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void rb_ssl_clear_handshake_count(rb_fde_t *F);
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int rb_pass_fd_to_process(rb_fde_t *, pid_t, rb_fde_t *);
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rb_fde_t *rb_recv_fd(rb_fde_t *);
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const char *rb_ssl_get_cipher(rb_fde_t *F);
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int rb_ipv4_from_ipv6(const struct sockaddr_in6 *restrict ip6, struct sockaddr_in *restrict ip4);
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#endif /* INCLUDED_commio_h */
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