netops.h 2.43 KB
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/*
Edward Thomson committed
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 * Copyright (C) the libgit2 contributors. All rights reserved.
Vicent Marti committed
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 *
 * This file is part of libgit2, distributed under the GNU GPL v2 with
 * a Linking Exception. For full terms see the included COPYING file.
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 */
#ifndef INCLUDE_netops_h__
#define INCLUDE_netops_h__

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#include "common.h"
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#include "posix.h"
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#include "stream.h"
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#ifdef GIT_OPENSSL
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# include <openssl/ssl.h>
#endif

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typedef struct gitno_ssl {
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#ifdef GIT_OPENSSL
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	SSL *ssl;
#else
	size_t dummy;
#endif
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} gitno_ssl;
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/* Represents a socket that may or may not be using SSL */
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typedef struct gitno_socket {
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	GIT_SOCKET socket;
	gitno_ssl ssl;
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} gitno_socket;
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typedef struct gitno_buffer {
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	char *data;
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	size_t len;
	size_t offset;
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	int (*recv)(struct gitno_buffer *buffer);
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	void *cb_data;
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} gitno_buffer;
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/* Flags to gitno_connect */
enum {
	/* Attempt to create an SSL connection. */
	GITNO_CONNECT_SSL = 1,
};

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/**
 * Check if the name in a cert matches the wanted hostname
 *
 * Check if a pattern from a certificate matches the hostname we
 * wanted to connect to according to RFC2818 rules (which specifies
 * HTTP over TLS). Mainly, an asterisk matches anything, but is
 * limited to a single url component.
 *
 * Note that this does not set an error message. It expects the user
 * to provide the message for the user.
 */
int gitno__match_host(const char *pattern, const char *host);

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void gitno_buffer_setup_fromstream(git_stream *st, gitno_buffer *buf, char *data, size_t len);
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void gitno_buffer_setup_callback(gitno_buffer *buf, char *data, size_t len, int (*recv)(gitno_buffer *buf), void *cb_data);
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int gitno_recv(gitno_buffer *buf);
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void gitno_consume(gitno_buffer *buf, const char *ptr);
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void gitno_consume_n(gitno_buffer *buf, size_t cons);
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typedef struct gitno_connection_data {
	char *host;
	char *port;
	char *path;
	char *user;
	char *pass;
	bool use_ssl;
} gitno_connection_data;

/*
 * This replaces all the pointers in `data` with freshly-allocated strings,
 * that the caller is responsible for freeing.
 * `gitno_connection_data_free_ptrs` is good for this.
 */

int gitno_connection_data_from_url(
		gitno_connection_data *data,
		const char *url,
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		const char *service_suffix);
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/* This frees all the pointers IN the struct, but not the struct itself. */
void gitno_connection_data_free_ptrs(gitno_connection_data *data);

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int gitno_extract_url_parts(
		char **host,
		char **port,
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		char **path,
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		char **username,
		char **password,
		const char *url,
		const char *default_port);
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#endif