diff options
Diffstat (limited to 'source3/smbd/error.c')
| -rw-r--r-- | source3/smbd/error.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/source3/smbd/error.c b/source3/smbd/error.c new file mode 100644 index 0000000000..ea23d8b28d --- /dev/null +++ b/source3/smbd/error.c @@ -0,0 +1,142 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + error packet handling + Copyright (C) Andrew Tridgell 1992-1998 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +extern int DEBUGLEVEL; + + +/**************************************************************************** + create an error packet from a cached error. +****************************************************************************/ +int cached_error_packet(char *inbuf,char *outbuf,files_struct *fsp,int line) +{ + write_bmpx_struct *wbmpx = fsp->wbmpx_ptr; + + int32 eclass = wbmpx->wr_errclass; + int32 err = wbmpx->wr_error; + + /* We can now delete the auxiliary struct */ + free((char *)wbmpx); + fsp->wbmpx_ptr = NULL; + return error_packet(inbuf,outbuf,eclass,err,line); +} + + +struct +{ + int unixerror; + int smbclass; + int smbcode; +} unix_smb_errmap[] = +{ + {EPERM,ERRDOS,ERRnoaccess}, + {EACCES,ERRDOS,ERRnoaccess}, + {ENOENT,ERRDOS,ERRbadfile}, + {ENOTDIR,ERRDOS,ERRbadpath}, + {EIO,ERRHRD,ERRgeneral}, + {EBADF,ERRSRV,ERRsrverror}, + {EINVAL,ERRSRV,ERRsrverror}, + {EEXIST,ERRDOS,ERRfilexists}, + {ENFILE,ERRDOS,ERRnofids}, + {EMFILE,ERRDOS,ERRnofids}, + {ENOSPC,ERRHRD,ERRdiskfull}, +#ifdef EDQUOT + {EDQUOT,ERRHRD,ERRdiskfull}, +#endif +#ifdef ENOTEMPTY + {ENOTEMPTY,ERRDOS,ERRnoaccess}, +#endif +#ifdef EXDEV + {EXDEV,ERRDOS,ERRdiffdevice}, +#endif + {EROFS,ERRHRD,ERRnowrite}, + {0,0,0} +}; + +/**************************************************************************** + create an error packet from errno +****************************************************************************/ +int unix_error_packet(char *inbuf,char *outbuf,int def_class,uint32 def_code,int line) +{ + int eclass=def_class; + int ecode=def_code; + int i=0; + + if (unix_ERR_class != SMB_SUCCESS) + { + eclass = unix_ERR_class; + ecode = unix_ERR_code; + unix_ERR_class = SMB_SUCCESS; + unix_ERR_code = 0; + } + else + { + while (unix_smb_errmap[i].smbclass != 0) + { + if (unix_smb_errmap[i].unixerror == errno) + { + eclass = unix_smb_errmap[i].smbclass; + ecode = unix_smb_errmap[i].smbcode; + break; + } + i++; + } + } + + return(error_packet(inbuf,outbuf,eclass,ecode,line)); +} + + +/**************************************************************************** + create an error packet. Normally called using the ERROR() macro +****************************************************************************/ +int error_packet(char *inbuf,char *outbuf,int error_class,uint32 error_code,int line) +{ + int outsize = set_message(outbuf,0,0,True); + int cmd = CVAL(inbuf,smb_com); + int flgs2 = SVAL(outbuf,smb_flg2); + + if ((flgs2 & FLAGS2_32_BIT_ERROR_CODES) == FLAGS2_32_BIT_ERROR_CODES) + { + SIVAL(outbuf,smb_rcls,error_code); + + DEBUG( 3, ( "32 bit error packet at line %d cmd=%d (%s) eclass=%08x [%s]\n", + line, cmd, smb_fn_name(cmd), error_code, smb_errstr(outbuf) ) ); + } + else + { + CVAL(outbuf,smb_rcls) = error_class; + SSVAL(outbuf,smb_err,error_code); + DEBUG( 3, ( "error packet at line %d cmd=%d (%s) eclass=%d ecode=%d\n", + line, + (int)CVAL(inbuf,smb_com), + smb_fn_name(CVAL(inbuf,smb_com)), + error_class, + error_code ) ); + + } + + if (errno != 0) + DEBUG(3,("error string = %s\n",strerror(errno))); + + return(outsize); +} |