1 /* $NetBSD: common.h,v 1.1.1.4 2009/04/04 23:26:03 joerg Exp $ */ 2 /*- 3 * Copyright (c) 1998-2004 Dag-Erling Co�dan Sm�rgrav 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer 11 * in this position and unchanged. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD: common.h,v 1.30 2007/12/18 11:03:07 des Exp $ 30 */ 31 32 #ifndef _COMMON_H_INCLUDED 33 #define _COMMON_H_INCLUDED 34 35 #define FTP_DEFAULT_PORT 21 36 #define HTTP_DEFAULT_PORT 80 37 #define FTP_DEFAULT_PROXY_PORT 21 38 #define HTTP_DEFAULT_PROXY_PORT 3128 39 40 #ifdef WITH_SSL 41 #include <openssl/crypto.h> 42 #include <openssl/x509.h> 43 #include <openssl/pem.h> 44 #include <openssl/ssl.h> 45 #include <openssl/err.h> 46 #endif 47 48 #if !defined(__sun) && !defined(__hpux) && !defined(__INTERIX) && \ 49 !defined(__digital__) && !defined(__linux) && !defined(__MINT__) && \ 50 !defined(__sgi) 51 #define HAVE_SA_LEN 52 #endif 53 54 /* Connection */ 55 typedef struct fetchconn conn_t; 56 struct fetchconn { 57 int sd; /* socket descriptor */ 58 char *buf; /* buffer */ 59 size_t bufsize; /* buffer size */ 60 size_t buflen; /* length of buffer contents */ 61 char *next_buf; /* pending buffer, e.g. after getln */ 62 size_t next_len; /* size of pending buffer */ 63 int err; /* last protocol reply code */ 64 #ifdef WITH_SSL 65 SSL *ssl; /* SSL handle */ 66 SSL_CTX *ssl_ctx; /* SSL context */ 67 X509 *ssl_cert; /* server certificate */ 68 # if OPENSSL_VERSION_NUMBER < 0x00909000L 69 SSL_METHOD *ssl_meth; /* SSL method */ 70 # else 71 const SSL_METHOD *ssl_meth; /* SSL method */ 72 # endif 73 #endif 74 int ref; /* reference count */ 75 }; 76 77 /* Structure used for error message lists */ 78 struct fetcherr { 79 const int num; 80 const int cat; 81 const char *string; 82 }; 83 84 /* for fetch_writev */ 85 struct iovec; 86 87 void fetch_seterr(struct fetcherr *, int); 88 void fetch_syserr(void); 89 void fetch_info(const char *, ...); 90 int fetch_default_port(const char *); 91 int fetch_default_proxy_port(const char *); 92 int fetch_bind(int, int, const char *); 93 conn_t *fetch_connect(const char *, int, int, int); 94 conn_t *fetch_reopen(int); 95 conn_t *fetch_ref(conn_t *); 96 int fetch_ssl(conn_t *, int); 97 ssize_t fetch_read(conn_t *, char *, size_t); 98 int fetch_getln(conn_t *); 99 ssize_t fetch_write(conn_t *, const char *, size_t); 100 ssize_t fetch_writev(conn_t *, struct iovec *, int); 101 int fetch_putln(conn_t *, const char *, size_t); 102 int fetch_close(conn_t *); 103 int fetch_add_entry(struct url_list *, struct url *, const char *, int); 104 int fetch_netrc_auth(struct url *url); 105 int fetch_no_proxy_match(const char *); 106 int fetch_urlpath_safe(char); 107 108 #define ftp_seterr(n) fetch_seterr(ftp_errlist, n) 109 #define http_seterr(n) fetch_seterr(http_errlist, n) 110 #define netdb_seterr(n) fetch_seterr(netdb_errlist, n) 111 #define url_seterr(n) fetch_seterr(url_errlist, n) 112 113 fetchIO *fetchIO_unopen(void *, ssize_t (*)(void *, void *, size_t), 114 ssize_t (*)(void *, const void *, size_t), void (*)(void *)); 115 116 /* 117 * I don't really like exporting http_request() and ftp_request(), 118 * but the HTTP and FTP code occasionally needs to cross-call 119 * eachother, and this saves me from adding a lot of special-case code 120 * to handle those cases. 121 * 122 * Note that _*_request() free purl, which is way ugly but saves us a 123 * whole lot of trouble. 124 */ 125 fetchIO *http_request(struct url *, const char *, 126 struct url_stat *, struct url *, const char *); 127 fetchIO *ftp_request(struct url *, const char *, const char *, 128 struct url_stat *, struct url *, const char *); 129 130 131 /* 132 * Check whether a particular flag is set 133 */ 134 #define CHECK_FLAG(x) (flags && strchr(flags, (x))) 135 136 #endif 137