beta 22 finished
This commit is contained in:
hsn
parent
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d92067dc8e
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@ -1,4 +1,4 @@
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Version 2.8.1b22 - 17 Dec 2004
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Version 2.8.1b22 - 20 Dec 2004
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fixed sf bug 1060594: fspd: owner can't rename files
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fixed sf bug 1060558: fpro 'l' sets 'm' flag instead (dairiki)
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fixed sf bug 1060558: fpro 'l' flag was not correctly saved
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@ -53,6 +53,7 @@ Version 2.8.1b22 - 17 Dec 2004
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fspd.conf: logging of stat and rename added to comments.
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FILES: file somewhat updated
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sgml fsp faq released as version 0.1, first public version
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new locking semop code compiles on Linux systems also.
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Version 2.8.1b21 - 1 Nov 2004
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check for errors while copying files in fspd.
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@ -29,7 +29,8 @@ static void make_key_string( unsigned long server_addr,
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char *p;
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strcpy(key_string,KEY_PREFIX);
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for(p = key_string; *p; p++);
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for(p = key_string; *p; p++)
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;
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v1 = server_addr;
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v2 = server_port;
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@ -289,7 +290,17 @@ void client_destroy_key(void)
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#include <sys/shm.h>
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#include <sys/sem.h>
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int key_persists = 0;
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#ifdef _SEM_SEMUN_UNDEFINED
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union semun
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{
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int val;
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struct semid_ds *buf;
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unsigned short int *array;
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struct seminfo *__buf;
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};
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#endif
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int key_persists = 1;
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static unsigned short *share_key;
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static int lock_shm;
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static int lock_sem;
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@ -378,12 +389,6 @@ void client_init_key (unsigned long server_addr,
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perror("semop");
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exit(1);
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}
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/*
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fd=semctl(lock_sem,0,GETVAL);
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printf("sem value: %d\n",fd);
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fd=semctl(lock_sem,0,GETNCNT);
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printf("sem ncnt: %d\n",fd);
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*/
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}
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void client_destroy_key(void)
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@ -122,7 +122,12 @@ AC_CHECK_TYPE(nlink_t, ,AC_DEFINE(nlink_t, int,[declare nlink_t as int if not fo
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AC_CHECK_TYPE(rlim_t, ,AC_DEFINE(rlim_t, [unsigned int],[declare rlim_t as unsigned int if not found in <sys/resource.h>]),[#include <sys/resource.h>])
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AC_TYPE_SIGNAL
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AC_FUNC_CLOSEDIR_VOID
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AC_CHECK_FUNCS(random strdup bcopy flock lockf getrlimit fork setsid semop nanosleep)
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AC_CHECK_FUNCS(random strdup bcopy flock lockf getrlimit fork setsid semop)
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AC_CHECK_TYPE(union semun, ,AC_DEFINE(_SEM_SEMUN_UNDEFINED,1,[Define if you do not have semun in sys/sem.h]),
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[#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/sem.h>
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])
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AC_CACHE_CHECK(for working shmget ,fsp_cv_func_shmget,
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[LOCKPATH="conftestlock"
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AC_TRY_RUN([
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77
doc/PROTOCOL
77
doc/PROTOCOL
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@ -1,23 +1,24 @@
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FILE SERVICE PROTOCOL VERSION 2
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FSP v2
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FILE SERVICE PROTOCOL VERSION 2
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OFFICIAL PROTOCOL DEFINITION
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FSP v2
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Document version 0.16
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Last updated 15 Dec 2004
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Document version 0.16
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Last updated 15 Dec 2004
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Also known as
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File Slurping Protocol,
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Flaky Stream Protocol,
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FTP's Sexier Partner,
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File Sharing Protocol or
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Fucking Slow Protocol.
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Also known as
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File Slurping Protocol,
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Flaky Stream Protocol,
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FTP's Sexier Partner,
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File Sharing Protocol or
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Fucking Slow Protocol.
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`FSP is what anonymous FTP *should* be'
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`FSP is what anonymous FTP *should* be'
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This document was created by Radim Kolar, because there is no RFC for
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FSP. It was planed, but never comes out. See FSP Project Home page
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http://fsp.sourceforge.net/ for up-to-date version of this document.
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Also contact Radim Kolar with questions and if you need to help with
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an implementation of this protocol in productivity environment.
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Also contact Radim Kolar with questions and if you need help with an
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implementation of this protocol in productivity environment.
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This document is not copyrighted and is placed into public domain.
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@ -43,11 +44,11 @@ Transport
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FSP uses UDP datagrams as standard transport medium for operation in
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Internet Networks.
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FSP protocol uses checksum and payload size, so it do not require
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any underlying transport protocol and can be used as very simple
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raw-protocol (for example for sending data over serial line). This
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makes it very popular in embedded devices area, because it is
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extremely easy to implement.
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FSP datagram header has checksum and payload size recorded. Because
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of this FSP do not require any underlying transport protocol on
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layer 2 and can be used as very simple raw-protocol (for example for
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sending data over serial line). This makes it very popular in
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embedded devices area, because it is extremely easy to implement.
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FSP packets can have an optional extra data area. For supporting
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packets with this, underlying transport must make size of received
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@ -65,10 +66,11 @@ Transport
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checksums of received packets of that kind and process these extra
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bytes.
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Minimum UDP packet size (not including size of UDP, IP and link
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Minimum FSP packet size (not including size of UDP, IP and link
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layer headers) is 12 bytes (FSP v2 header only), maximum standard
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UDP packet size is 1024+12 bytes. Server can accept longer packets,
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but must send longer packets only when requested by client. All
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FSP packet size is 12 bytes of FSP v2 header and 1024 bytes of
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payload. Server can optionaly accept longer packets, but must not
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send longer packets to client unless specially requested. All
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servers and clients must support receiving 1024+12 bytes long
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packets.
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@ -116,7 +118,7 @@ checksum use zero in place of MESSAGE_CHECKSUM header field.
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Method of computing checksums is different in each direction. For
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packets traveling from server to client initial checksum value is
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zero, otherwise it is size of (HEADER + DATA + XTRA DATA).
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zero, otherwise initial value is packet size (HEADER + DATA + XTRA DATA).
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Checksums in server->client direction are computed as follows:
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@ -130,7 +132,7 @@ protocols, which are using at least CRC16 checksum types. FSP server
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fed by random data can resist for hours without falsely accepting
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random data as valid FSP packet. This demonstration shows, that these
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checksums when very easy to compute, are sufficient for guarding
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against line noise.
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against random line noise.
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Note:
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IP/UDP packet has its own crc16 checksum, but FSP protocol checksum is
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@ -148,12 +150,13 @@ Server will accept resent message from client with old KEY after 3
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seconds. Client MUST wait at least 1 second before resending a
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message. It is recommended to use initial delay of 1.34 second and
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after each unsuccessful resend multiply delay time by 1.5. Maximum
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delay time is 300 seconds.
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delay time is 300 seconds. Recommended maximum delay between resends
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is 60 seconds.
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2. Session
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Server will accept message with bad key after 60 seconds. Clients
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should sent CC_BYE at end of their session, CC_BYE terminates a
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should sent CC_BYE at end of their session because CC_BYE terminates a
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session. After session is terminated, sever will accept any next key.
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SEQUENCE
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@ -165,7 +168,8 @@ packets (increase sequence number on message resend).
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DATA_LENGTH
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Size of DATA field in packet. Packet can also contain XTRA DATA field but
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size of this field is not included in header and must be computed from
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received packet size.
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received packet size or from knowledge of FSP v2 packets formats (some
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packets carries length of extra data in position field).
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FILE POSITION
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When transferring files, this field shows current position of requested
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@ -182,6 +186,8 @@ FSP File servers MUST supports following commands:
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- file status CC_STAT
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- information about directory flags CC_GET_PRO
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- terminate session CC_BYE
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If server supports packets with payload size over 1024 bytes, supporting
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CC_VERSION is recommended.
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CC_VERSION 0x10 - Get server version string and setup
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@ -203,7 +209,7 @@ FSP File servers MUST supports following commands:
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bit 4 set - thruput control
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bit 5 set - server accept XTRA
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DATA on input
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if bit 4 is set thruput info follows
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long - max_thruput allowed (in bytes/sec)
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word - max. payload size supported by server
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@ -248,15 +254,15 @@ FSP File servers MUST supports following commands:
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data: directory listing (format follows)
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xtra data: not used
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Directory listing is transfered in similar way as file transfer. Directory
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listing is divided into blocks of equal size, only exception is last block
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which can be shorter. Default and maximum size of directory listing block is
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1024 bytes. Size of directory block can be changed by server using extra
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data information sent by client.
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Directory listing is transfered in similar way as file transfer.
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Directory listing is divided into blocks of equal size, only exception
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is last block which can be shorter. Default size of directory listing
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block is 1024 bytes. Server can use prefered block size sent by client
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and split directory listing into blocks with size prefered by client.
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Directory blocks can't be split across message boundary and client
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can't do seeking to any arbitrary offset, which can broke dirblock
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into 2 messages. In short: Every message can contain only one
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into 2 messages. In short: Every message must contain only one
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unsplited directory block.
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RDIRENT is the structure of a directory entry contained in a directory listing.
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@ -279,7 +285,7 @@ directory block boundary, then two possible things will happen:
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This will make sure that messages carrying directory information carry only
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complete directory entries and no fragmented entries.
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The last entry is type RDTYPE_END.
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The last entry has type RDTYPE_END.
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struct RDIRENT {
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struct HEADER {
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@ -394,10 +400,9 @@ RDIRENT.HEADER types:
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Compatibility
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Versions older than 2.8.1b6 do not uses bits 6 and 7. This
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causes that directory can be listable even it do not have
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causes that directory can be listable even if do not have
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6th bit set.
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CC_SET_PRO 0x48 - set directory protection
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request
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@ -36,7 +36,7 @@
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#define KEY_PREFIX "/tmp/.FSPL"
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/* find the best locking method, defines one of USE_SHAREMEM_AND_LOCKF,
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* USE_FLOCK,USE_LOCKF,NOLOCKING 1 */
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* USE_FLOCK,USE_LOCKF,NOLOCKING */
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#if defined(HAVE_SHMEM) && defined(HAVE_SEMOP)
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#define USE_SHAREMEM_AND_SEMOP 1
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#else
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@ -49,7 +49,7 @@
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#ifdef HAVE_FLOCK
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#define USE_FLOCK 1
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#else
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#define NOLOCKING
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#define NOLOCKING 1
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#endif
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#endif
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#endif
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