d8713bf361
When using libfetch in an application that drops privileges when fetching
like pkg(8) then user complain because the application does not read anymore
${HOME}/.netrc. Now a caller can prepare a fd to the said file and manually
assign it to the structure.
It is also a first step to allow to capsicumize libfetch applications
Reviewed by: allanjude, des
Approved by: des
Differential Revision: https://reviews.freebsd.org/D9678
155 lines
4.8 KiB
C
155 lines
4.8 KiB
C
/*-
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* Copyright (c) 1998-2004 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _FETCH_H_INCLUDED
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#define _FETCH_H_INCLUDED
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#define _LIBFETCH_VER "libfetch/2.0"
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#define URL_SCHEMELEN 16
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#define URL_USERLEN 256
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#define URL_PWDLEN 256
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struct url {
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char scheme[URL_SCHEMELEN+1];
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char user[URL_USERLEN+1];
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char pwd[URL_PWDLEN+1];
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char host[MAXHOSTNAMELEN+1];
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int port;
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char *doc;
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off_t offset;
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size_t length;
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time_t ims_time;
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int netrcfd;
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};
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struct url_stat {
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off_t size;
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time_t atime;
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time_t mtime;
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};
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struct url_ent {
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char name[PATH_MAX];
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struct url_stat stat;
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};
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/* Recognized schemes */
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#define SCHEME_FTP "ftp"
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#define SCHEME_HTTP "http"
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#define SCHEME_HTTPS "https"
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#define SCHEME_FILE "file"
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/* Error codes */
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#define FETCH_ABORT 1
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#define FETCH_AUTH 2
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#define FETCH_DOWN 3
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#define FETCH_EXISTS 4
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#define FETCH_FULL 5
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#define FETCH_INFO 6
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#define FETCH_MEMORY 7
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#define FETCH_MOVED 8
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#define FETCH_NETWORK 9
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#define FETCH_OK 10
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#define FETCH_PROTO 11
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#define FETCH_RESOLV 12
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#define FETCH_SERVER 13
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#define FETCH_TEMP 14
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#define FETCH_TIMEOUT 15
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#define FETCH_UNAVAIL 16
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#define FETCH_UNKNOWN 17
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#define FETCH_URL 18
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#define FETCH_VERBOSE 19
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__BEGIN_DECLS
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/* FILE-specific functions */
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FILE *fetchXGetFile(struct url *, struct url_stat *, const char *);
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FILE *fetchGetFile(struct url *, const char *);
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FILE *fetchPutFile(struct url *, const char *);
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int fetchStatFile(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchListFile(struct url *, const char *);
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/* HTTP-specific functions */
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FILE *fetchXGetHTTP(struct url *, struct url_stat *, const char *);
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FILE *fetchGetHTTP(struct url *, const char *);
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FILE *fetchPutHTTP(struct url *, const char *);
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int fetchStatHTTP(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchListHTTP(struct url *, const char *);
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FILE *fetchReqHTTP(struct url *, const char *, const char *,
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const char *, const char *);
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/* FTP-specific functions */
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FILE *fetchXGetFTP(struct url *, struct url_stat *, const char *);
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FILE *fetchGetFTP(struct url *, const char *);
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FILE *fetchPutFTP(struct url *, const char *);
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int fetchStatFTP(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchListFTP(struct url *, const char *);
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/* Generic functions */
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FILE *fetchXGetURL(const char *, struct url_stat *, const char *);
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FILE *fetchGetURL(const char *, const char *);
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FILE *fetchPutURL(const char *, const char *);
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int fetchStatURL(const char *, struct url_stat *, const char *);
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struct url_ent *fetchListURL(const char *, const char *);
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FILE *fetchXGet(struct url *, struct url_stat *, const char *);
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FILE *fetchGet(struct url *, const char *);
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FILE *fetchPut(struct url *, const char *);
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int fetchStat(struct url *, struct url_stat *, const char *);
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struct url_ent *fetchList(struct url *, const char *);
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/* URL parsing */
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struct url *fetchMakeURL(const char *, const char *, int,
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const char *, const char *, const char *);
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struct url *fetchParseURL(const char *);
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void fetchFreeURL(struct url *);
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__END_DECLS
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/* Authentication */
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typedef int (*auth_t)(struct url *);
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extern auth_t fetchAuthMethod;
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/* Last error code */
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extern int fetchLastErrCode;
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#define MAXERRSTRING 256
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extern char fetchLastErrString[MAXERRSTRING];
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/* I/O timeout */
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extern int fetchTimeout;
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/* Restart interrupted syscalls */
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extern int fetchRestartCalls;
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/* Extra verbosity */
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extern int fetchDebug;
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#endif
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