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Makefile
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Makefile.depend
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Makefile.depend.options
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common.c
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common.h
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fetch.3
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fetch.c
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fetch.h
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file.c
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ftp.c
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ftp.errors
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http.c
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http.errors
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Editing: common.h
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1998-2014 Dag-Erling Smørgrav * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _COMMON_H_INCLUDED #define _COMMON_H_INCLUDED #define FTP_DEFAULT_PORT 21 #define HTTP_DEFAULT_PORT 80 #define FTP_DEFAULT_PROXY_PORT 21 #define HTTP_DEFAULT_PROXY_PORT 3128 #ifdef WITH_SSL #include <openssl/crypto.h> #include <openssl/x509.h> #include <openssl/pem.h> #include <openssl/ssl.h> #include <openssl/err.h> #endif /* Connection */ typedef struct fetchconn conn_t; struct fetchconn { int sd; /* socket descriptor */ char *buf; /* buffer */ size_t bufsize; /* buffer size */ size_t buflen; /* length of buffer contents */ int err; /* last protocol reply code */ #ifdef WITH_SSL SSL *ssl; /* SSL handle */ SSL_CTX *ssl_ctx; /* SSL context */ X509 *ssl_cert; /* server certificate */ const SSL_METHOD *ssl_meth; /* SSL method */ #endif int ref; /* reference count */ }; /* Structure used for error message lists */ struct fetcherr { const int num; const int cat; const char *string; }; /* For SOCKS header size */ #define HEAD_SIZE 4 #define FQDN_SIZE 256 #define PACK_SIZE 1 #define PORT_SIZE 2 #define BUFF_SIZE HEAD_SIZE + FQDN_SIZE + PACK_SIZE + PORT_SIZE /* SOCKS5 Request Header */ #define SOCKS_VERSION_5 0x05 /* SOCKS5 CMD */ #define SOCKS_CONNECTION 0x01 #define SOCKS_BIND 0x02 #define SOCKS_UDP 0x03 #define SOCKS_NOMETHODS 0xFF #define SOCKS5_NOTIMPLEMENTED 0x00 /* SOCKS5 Reserved */ #define SOCKS_RSV 0x00 /* SOCKS5 Address Type */ #define SOCKS_ATYP_IPV4 0x01 #define SOCKS_ATYP_DOMAINNAME 0x03 #define SOCKS_ATYP_IPV6 0x04 /* SOCKS5 Reply Field */ #define SOCKS_SUCCESS 0x00 #define SOCKS_GENERAL_FAILURE 0x01 #define SOCKS_CONNECTION_NOT_ALLOWED 0x02 #define SOCKS_NETWORK_UNREACHABLE 0x03 #define SOCKS_HOST_UNREACHABLE 0x04 #define SOCKS_CONNECTION_REFUSED 0x05 #define SOCKS_TTL_EXPIRED 0x06 #define SOCKS_COMMAND_NOT_SUPPORTED 0x07 #define SOCKS_ADDRESS_NOT_SUPPORTED 0x08 /* for fetch_writev */ struct iovec; void fetch_seterr(struct fetcherr *, int); void fetch_syserr(void); void fetch_info(const char *, ...) __printflike(1, 2); int fetch_socks5_getenv(char **host, int *port); int fetch_socks5_init(conn_t *conn, const char *host, int port, int verbose); int fetch_default_port(const char *); int fetch_default_proxy_port(const char *); struct addrinfo *fetch_resolve(const char *, int, int); int fetch_bind(int, int, const char *); conn_t *fetch_connect(const char *, int, int, int); conn_t *fetch_reopen(int); conn_t *fetch_ref(conn_t *); #ifdef WITH_SSL int fetch_ssl_cb_verify_crt(int, X509_STORE_CTX*); #endif int fetch_ssl(conn_t *, const struct url *, int); ssize_t fetch_read(conn_t *, char *, size_t); int fetch_getln(conn_t *); ssize_t fetch_write(conn_t *, const char *, size_t); ssize_t fetch_writev(conn_t *, struct iovec *, int); int fetch_putln(conn_t *, const char *, size_t); int fetch_close(conn_t *); int fetch_add_entry(struct url_ent **, int *, int *, const char *, struct url_stat *); int fetch_netrc_auth(struct url *url); int fetch_no_proxy_match(const char *); #define ftp_seterr(n) fetch_seterr(ftp_errlist, n) #define http_seterr(n) fetch_seterr(http_errlist, n) #define netdb_seterr(n) fetch_seterr(netdb_errlist, n) #define url_seterr(n) fetch_seterr(url_errlist, n) #define socks5_seterr(n) fetch_seterr(socks5_errlist, n) #ifndef NDEBUG #define DEBUGF(...) \ do { \ if (fetchDebug) \ fprintf(stderr, __VA_ARGS__); \ } while (0) #else #define DEBUGF(...) \ do { \ /* nothing */ \ } while (0) #endif /* * I don't really like exporting http_request() and ftp_request(), * but the HTTP and FTP code occasionally needs to cross-call * eachother, and this saves me from adding a lot of special-case code * to handle those cases. * * Note that _*_request() free purl, which is way ugly but saves us a * whole lot of trouble. */ FILE *http_request(struct url *, const char *, struct url_stat *, struct url *, const char *); FILE *http_request_body(struct url *, const char *, struct url_stat *, struct url *, const char *, const char *, const char *); FILE *ftp_request(struct url *, const char *, struct url_stat *, struct url *, const char *); /* * Check whether a particular flag is set */ #define CHECK_FLAG(x) (flags && strchr(flags, (x))) #endif
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