1 /*- 2 * Copyright (c) 1998-2004 Dag-Erling Co�dan Sm�rgrav 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: src/lib/libfetch/common.h,v 1.30 2007/12/18 11:03:07 des Exp $ 29 * $DragonFly: src/lib/libfetch/common.h,v 1.3 2007/08/05 21:48:12 swildner 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 /* Connection */ 49 typedef struct fetchconn conn_t; 50 struct fetchconn { 51 int sd; /* socket descriptor */ 52 char *buf; /* buffer */ 53 size_t bufsize; /* buffer size */ 54 size_t buflen; /* length of buffer contents */ 55 int err; /* last protocol reply code */ 56 #ifdef WITH_SSL 57 SSL *ssl; /* SSL handle */ 58 SSL_CTX *ssl_ctx; /* SSL context */ 59 X509 *ssl_cert; /* server certificate */ 60 SSL_METHOD *ssl_meth; /* SSL method */ 61 #endif 62 int ref; /* reference count */ 63 }; 64 65 /* Structure used for error message lists */ 66 struct fetcherr { 67 const int num; 68 const int cat; 69 const char *string; 70 }; 71 72 /* for fetch_writev */ 73 struct iovec; 74 75 void fetch_seterr(struct fetcherr *, int); 76 void fetch_syserr(void); 77 void fetch_info(const char *, ...); 78 int fetch_default_port(const char *); 79 int fetch_default_proxy_port(const char *); 80 int fetch_bind(int, int, const char *); 81 conn_t *fetch_connect(const char *, int, int, int); 82 conn_t *fetch_reopen(int); 83 conn_t *fetch_ref(conn_t *); 84 int fetch_ssl(conn_t *, int); 85 ssize_t fetch_read(conn_t *, char *, size_t); 86 int fetch_getln(conn_t *); 87 ssize_t fetch_write(conn_t *, const char *, size_t); 88 ssize_t fetch_writev(conn_t *, struct iovec *, int); 89 int fetch_putln(conn_t *, const char *, size_t); 90 int fetch_close(conn_t *); 91 int fetch_add_entry(struct url_ent **, int *, int *, 92 const char *, struct url_stat *); 93 int fetch_netrc_auth(struct url *url); 94 int fetch_no_proxy_match(const char *); 95 96 #define ftp_seterr(n) fetch_seterr(ftp_errlist, n) 97 #define http_seterr(n) fetch_seterr(http_errlist, n) 98 #define netdb_seterr(n) fetch_seterr(netdb_errlist, n) 99 #define url_seterr(n) fetch_seterr(url_errlist, n) 100 101 #ifndef NDEBUG 102 #define DEBUG(x) do { if (fetchDebug) { x; } } while (0) 103 #else 104 #define DEBUG(x) do { } while (0) 105 #endif 106 107 /* 108 * I don't really like exporting http_request() and ftp_request(), 109 * but the HTTP and FTP code occasionally needs to cross-call 110 * eachother, and this saves me from adding a lot of special-case code 111 * to handle those cases. 112 * 113 * Note that _*_request() free purl, which is way ugly but saves us a 114 * whole lot of trouble. 115 */ 116 FILE *http_request(struct url *, const char *, 117 struct url_stat *, struct url *, const char *); 118 FILE *ftp_request(struct url *, const char *, 119 struct url_stat *, struct url *, const char *); 120 121 /* 122 * Check whether a particular flag is set 123 */ 124 #define CHECK_FLAG(x) (flags && strchr(flags, (x))) 125 126 #endif 127