thodg/libgit2/src/netops.h

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• Hash : 0c7f49dd
  Author :
  Date : 2017-06-30T13:39:01
  

  Make sure to always include "common.h" first
  
  Next to including several files, our "common.h" header also declares
  various macros which are then used throughout the project. As such, we
  have to make sure to always include this file first in all
  implementation files. Otherwise, we might encounter problems or even
  silent behavioural differences due to macros or defines not being
  defined as they should be. So in fact, our header and implementation
  files should make sure to always include "common.h" first.
  
  This commit does so by establishing a common include pattern. Header
  files inside of "src" will now always include "common.h" as its first
  other file, separated by a newline from all the other includes to make
  it stand out as special. There are two cases for the implementation
  files. If they do have a matching header file, they will always include
  this one first, leading to "common.h" being transitively included as
  first file. If they do not have a matching header file, they instead
  include "common.h" as first file themselves.
  
  This fixes the outlined problems and will become our standard practice
  for header and source files inside of the "src/" from now on.
  

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• src/netops.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  #ifndef INCLUDE_netops_h__
  #define INCLUDE_netops_h__
  
  #include "common.h"
  
  #include "posix.h"
  #include "stream.h"
  
  #ifdef GIT_OPENSSL
  # include <openssl/ssl.h>
  #endif
  
  typedef struct gitno_ssl {
  #ifdef GIT_OPENSSL
  	SSL *ssl;
  #else
  	size_t dummy;
  #endif
  } gitno_ssl;
  
  /* Represents a socket that may or may not be using SSL */
  typedef struct gitno_socket {
  	GIT_SOCKET socket;
  	gitno_ssl ssl;
  } gitno_socket;
  
  typedef struct gitno_buffer {
  	char *data;
  	size_t len;
  	size_t offset;
  	int (*recv)(struct gitno_buffer *buffer);
  	void *cb_data;
  } gitno_buffer;
  
  /* Flags to gitno_connect */
  enum {
  	/* Attempt to create an SSL connection. */
  	GITNO_CONNECT_SSL = 1,
  };
  
  /**
   * 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);
  
  void gitno_buffer_setup_fromstream(git_stream *st, gitno_buffer *buf, char *data, size_t len);
  void gitno_buffer_setup_callback(gitno_buffer *buf, char *data, size_t len, int (*recv)(gitno_buffer *buf), void *cb_data);
  int gitno_recv(gitno_buffer *buf);
  
  void gitno_consume(gitno_buffer *buf, const char *ptr);
  void gitno_consume_n(gitno_buffer *buf, size_t cons);
  
  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,
  		const char *service_suffix);
  
  /* This frees all the pointers IN the struct, but not the struct itself. */
  void gitno_connection_data_free_ptrs(gitno_connection_data *data);
  
  int gitno_extract_url_parts(
  		char **host,
  		char **port,
  		char **path,
  		char **username,
  		char **password,
  		const char *url,
  		const char *default_port);
  
  #endif
  

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