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deb-goldedplus/goldlib/uulib/uulib.c
Alexander S. Aganichev 5932b8817b GoldED+ sources: Initial revision.
2000-02-25 10:15:17 +00:00

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/*
* This file is part of uudeview, the simple and friendly multi-part multi-
* file uudecoder program (c) 1994 by Frank Pilhofer. The author may be
* contacted by his email address, fp@informatik.uni-frankfurt.de
*
* 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.
*/
/*
* This file implements the externally visible functions, as declared
* in uudeview.h, and some internal interfacing functions
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef SYSTEM_WINDLL
#include <windows.h>
#endif
#ifdef SYSTEM_OS2
#include <os2.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef STDC_HEADERS
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#else
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#else
#ifdef HAVE_VARARGS_H
#include <varargs.h>
#endif
#endif
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
/* to get open() in Windows */
#if defined(HAVE_IO_H) && defined(__MINGW32__)
#include <io.h>
#endif
#include <uudeview.h>
#include <uuint.h>
#include <fptools.h>
#include <uustring.h>
char * uulib_id = "$Id$";
#ifdef SYSTEM_WINDLL
BOOL _export WINAPI
DllEntryPoint (HINSTANCE hInstance, DWORD seginfo,
LPVOID lpCmdLine)
{
/* Don't do anything, so just return true */
return TRUE;
}
#endif
/*
* In DOS, we must open the file binary, O_BINARY is defined there
*/
#ifndef O_BINARY
#define O_BINARY 0
#endif
/* for braindead systems */
#ifndef SEEK_SET
#ifdef L_BEGIN
#define SEEK_SET L_BEGIN
#else
#define SEEK_SET 0
#endif
#endif
/*
* Callback functions and their opaque arguments
*/
void (*uu_MsgCallback) _ANSI_ARGS_((void *, char *, int)) = NULL;
int (*uu_BusyCallback) _ANSI_ARGS_((void *, uuprogress *)) = NULL;
int (*uu_FileCallback) _ANSI_ARGS_((void *, char *, char *, int)) = NULL;
char * (*uu_FNameFilter) _ANSI_ARGS_((void *, char *)) = NULL;
void *uu_MsgCBArg = NULL;
void *uu_BusyCBArg = NULL;
void *uu_FileCBArg = NULL;
void *uu_FFCBArg = NULL;
/*
* Global variables
*/
int uu_fast_scanning = 0; /* assumes at most 1 part per file */
int uu_bracket_policy = 0; /* gives part numbers in [] higher priority */
int uu_verbose = 1; /* enables/disables messages&notes */
int uu_desperate = 0; /* desperate mode */
int uu_ignreply = 0; /* ignore replies */
int uu_debug = 0; /* debugging mode (print __FILE__/__LINE__) */
int uu_errno = 0; /* the errno that caused this UURET_IOERR */
int uu_dumbness = 0; /* switch off the program's intelligence */
int uu_overwrite = 1; /* whether it's ok to overwrite ex. files */
int uu_ignmode = 0; /* ignore the original file mode */
int uu_handletext = 0; /* do we want text/plain messages */
int uu_usepreamble = 0; /* do we want Mime preambles/epilogues */
int uu_tinyb64 = 0; /* detect short B64 outside of MIME */
headercount hlcount = {
3, /* restarting after a MIME body */
2, /* after useful data in freestyle mode */
1 /* after useful data and an empty line */
};
/*
* version string
*/
char uulibversion[256] = VERSION "pl" PATCH;
/*
* prefix to the files on disk, usually a path name to save files to
*/
char *uusavepath;
/*
* extension to use when encoding single-part files
*/
char *uuencodeext;
/*
* areas to malloc
*/
char *uulib_msgstring;
char *uugen_inbuffer;
char *uugen_fnbuffer;
/*
* The Global List of Files
*/
uulist *UUGlobalFileList = NULL;
/*
* time values for BusyCallback. msecs is MILLIsecs here
*/
static long uu_busy_msecs = 0; /* call callback function each msecs */
static long uu_last_secs = 0; /* secs of last call to callback */
static long uu_last_usecs = 0; /* usecs of last call to callback */
/*
* progress information
*/
uuprogress progress;
/*
* Linked list of files we want to delete after decoding
*/
typedef struct _itbd {
char *fname;
struct _itbd *NEXT;
} itbd;
static itbd * ftodel = NULL;
/*
* for the busy poll
*/
unsigned long uuyctr;
/*
* Areas to allocate. Instead of using static memory areas, we malloc()
* the memory in UUInitialize() and release them in UUCleanUp to prevent
* blowing up of the binary size
* This is a table with the pointers to allocate and required sizes.
* They are guaranteed to be never NULL.
*/
typedef struct {
char **ptr;
size_t size;
} allomap;
static allomap toallocate[] = {
{ &uugen_fnbuffer, 1024 }, /* generic filename buffer */
{ &uugen_inbuffer, 1024 }, /* generic input data buffer */
{ &uucheck_lastname, 256 }, /* from uucheck.c */
{ &uucheck_tempname, 256 },
{ &uuestr_itemp, 256 }, /* from uuencode.c:UUEncodeStream() */
{ &uuestr_otemp, 256 },
{ &uulib_msgstring, 1024 }, /* from uulib.c:UUMessage() */
{ &uuncdl_fulline, 256 }, /* from uunconc.c:UUDecodeLine() */
{ &uuncdp_oline, 512 }, /* from uunconc.c:UUDecodePart() */
{ &uunconc_UUxlat, 256 * sizeof (int) }, /* from uunconc.c:toplevel */
{ &uunconc_UUxlen, 64 * sizeof (int) },
{ &uunconc_B64xlat, 256 * sizeof (int) },
{ &uunconc_XXxlat, 256 * sizeof (int) },
{ &uunconc_BHxlat, 256 * sizeof (int) },
{ &uunconc_save, 3*256 }, /* from uunconc.c:decoding buffer */
{ &uuscan_shlline, 1024 }, /* from uuscan.c:ScanHeaderLine() */
{ &uuscan_pvvalue, 256 }, /* from uuscan.c:ParseValue() */
{ &uuscan_phtext, 256 }, /* from uuscan.c:ParseHeader() */
{ &uuscan_sdline, 256 }, /* from uuscan.c:ScanData() */
{ &uuscan_sdbhds1, 256 },
{ &uuscan_sdbhds2, 256 },
{ &uuscan_spline, 256 }, /* from uuscan.c:ScanPart() */
{ &uuutil_bhwtmp, 256 }, /* from uuutil.c:UUbhwrite() */
{ NULL, 0 }
};
/*
* Handle the printing of messages. Works like printf.
*/
#if defined(STDC_HEADERS) || defined(HAVE_STDARG_H)
int
UUMessage (char *file, int line, int level, char *format, ...)
#else
int
UUMessage (va_alist)
va_dcl
#endif
{
char *msgptr;
#if defined(STDC_HEADERS) || defined(HAVE_STDARG_H)
va_list ap;
va_start (ap, format);
#else
char *file, *format;
int line, level;
va_list ap;
va_start (ap);
file = va_arg (ap, char *);
line = va_arg (ap, int);
level = va_arg (ap, int);
format = va_arg (ap, char *);
#endif
if (uu_debug) {
sprintf (uulib_msgstring, "%s(%d): %s", file, line, msgnames[level]);
msgptr = uulib_msgstring + strlen (uulib_msgstring);
}
else {
sprintf (uulib_msgstring, "%s", msgnames[level]);
msgptr = uulib_msgstring + strlen (uulib_msgstring);
}
if (uu_MsgCallback && (level>UUMSG_NOTE || uu_verbose)) {
vsprintf (msgptr, format, ap);
(*uu_MsgCallback) (uu_MsgCBArg, uulib_msgstring, level);
}
va_end (ap);
return UURET_OK;
}
/*
* Call the Busy Callback from time to time. This function must be
* polled from the Busy loops.
*/
int
UUBusyPoll (void)
{
#ifdef HAVE_GETTIMEOFDAY
struct timeval tv;
long msecs;
if (uu_BusyCallback) {
(void) gettimeofday (&tv, NULL);
msecs = 1000*(tv.tv_sec-uu_last_secs)+(tv.tv_usec-uu_last_usecs)/1000;
if (uu_last_secs==0 || msecs > uu_busy_msecs) {
uu_last_secs = tv.tv_sec;
uu_last_usecs = tv.tv_usec;
return (*uu_BusyCallback) (uu_BusyCBArg, &progress);
}
}
#else
time_t now;
long msecs;
if (uu_BusyCallback) {
now = time(NULL);
if (uu_busy_msecs <= 0) {
msecs = 1;
}
else {
msecs = 1000 * (now - uu_last_secs);
}
if (uu_last_secs==0 || msecs > uu_busy_msecs) {
uu_last_secs = now;
uu_last_usecs = 0;
return (*uu_BusyCallback) (uu_BusyCBArg, &progress);
}
}
#endif
return 0;
}
/*
* Initialization function
*/
int UUEXPORT
UUInitialize (void)
{
allomap *aiter;
progress.action = 0;
progress.curfile[0] = '\0';
ftodel = NULL;
uusavepath = NULL;
uuencodeext = NULL;
mssdepth = 0;
memset (&localenv, 0, sizeof (headers));
memset (&sstate, 0, sizeof (scanstate));
nofnum = 0;
mimseqno = 0;
lastvalid = 0;
lastenc = 0;
uuyctr = 0;
/*
* Allocate areas
*/
for (aiter=toallocate; aiter->ptr; aiter++)
*(aiter->ptr) = NULL;
for (aiter=toallocate; aiter->ptr; aiter++) {
if ((*(aiter->ptr) = (char *) malloc (aiter->size)) == NULL) {
/*
* oops. we may not print a message here, because we need these
* areas (uulib_msgstring) in UUMessage()
*/
for (aiter=toallocate; aiter->ptr; aiter++) {
_FP_free (*(aiter->ptr));
}
return UURET_NOMEM;
}
}
/*
* Must be called after areas have been malloced
*/
UUInitConc ();
return UURET_OK;
}
/*
* Set and get Options
*/
int UUEXPORT
UUGetOption (int option, int *ivalue, char *cvalue, int clength)
{
int result;
switch (option) {
case UUOPT_VERSION:
_FP_strncpy (cvalue, uulibversion, clength);
result = 0;
break;
case UUOPT_FAST:
if (ivalue) *ivalue = uu_fast_scanning;
result = uu_fast_scanning;
break;
case UUOPT_DUMBNESS:
if (ivalue) *ivalue = uu_dumbness;
result = uu_dumbness;
break;
case UUOPT_BRACKPOL:
if (ivalue) *ivalue = uu_bracket_policy;
result = uu_bracket_policy;
break;
case UUOPT_VERBOSE:
if (ivalue) *ivalue = uu_verbose;
result = uu_verbose;
break;
case UUOPT_DESPERATE:
if (ivalue) *ivalue = uu_desperate;
result = uu_desperate;
break;
case UUOPT_IGNREPLY:
if (ivalue) *ivalue = uu_ignreply;
result = uu_ignreply;
break;
case UUOPT_DEBUG:
if (ivalue) *ivalue = uu_debug;
result = uu_debug;
break;
case UUOPT_ERRNO:
if (ivalue) *ivalue = uu_errno;
result = uu_errno;
break;
case UUOPT_OVERWRITE:
if (ivalue) *ivalue = uu_overwrite;
result = uu_overwrite;
break;
case UUOPT_SAVEPATH:
_FP_strncpy (cvalue, uusavepath, clength);
result = 0;
break;
case UUOPT_PROGRESS:
if (clength==sizeof(uuprogress)) {
memcpy (cvalue, &progress, sizeof (uuprogress));
result = 0;
}
else
result = -1;
break;
case UUOPT_IGNMODE:
if (ivalue) *ivalue = uu_ignmode;
result = uu_ignmode;
break;
case UUOPT_USETEXT:
if (ivalue) *ivalue = uu_handletext;
result = uu_handletext;
break;
case UUOPT_PREAMB:
if (ivalue) *ivalue = uu_usepreamble;
result = uu_usepreamble;
break;
case UUOPT_TINYB64:
if (ivalue) *ivalue = uu_tinyb64;
result = uu_tinyb64;
break;
case UUOPT_ENCEXT:
_FP_strncpy (cvalue, uuencodeext, clength);
result = 0;
break;
default:
return -1;
}
return result;
}
int UUEXPORT
UUSetOption (int option, int ivalue, char *cvalue)
{
switch (option) {
case UUOPT_FAST:
uu_fast_scanning = ivalue;
break;
case UUOPT_DUMBNESS:
uu_dumbness = ivalue;
break;
case UUOPT_BRACKPOL:
uu_bracket_policy = ivalue;
break;
case UUOPT_VERBOSE:
uu_verbose = ivalue;
break;
case UUOPT_DESPERATE:
uu_desperate = ivalue;
break;
case UUOPT_IGNREPLY:
uu_ignreply = ivalue;
break;
case UUOPT_DEBUG:
uu_debug = ivalue;
break;
case UUOPT_OVERWRITE:
uu_overwrite = ivalue;
break;
case UUOPT_SAVEPATH:
_FP_free (uusavepath);
uusavepath = _FP_strdup (cvalue);
break;
case UUOPT_IGNMODE:
uu_ignmode = ivalue;
break;
case UUOPT_USETEXT:
uu_handletext = ivalue;
break;
case UUOPT_PREAMB:
uu_usepreamble = ivalue;
break;
case UUOPT_TINYB64:
uu_tinyb64 = ivalue;
break;
case UUOPT_ENCEXT:
_FP_free (uuencodeext);
uuencodeext = _FP_strdup (cvalue);
break;
default:
return UURET_ILLVAL;
}
return UURET_OK;
}
char * UUEXPORT
UUstrerror (int code)
{
return uuretcodes[code];
}
/*
* Set the various Callback functions
*/
int UUEXPORT
UUSetMsgCallback (void *opaque,
void (*func) _ANSI_ARGS_((void *, char *, int)))
{
uu_MsgCallback = func;
uu_MsgCBArg = opaque;
return UURET_OK;
}
int UUEXPORT
UUSetBusyCallback (void *opaque,
int (*func) _ANSI_ARGS_((void *, uuprogress *)),
long msecs)
{
uu_BusyCallback = func;
uu_BusyCBArg = opaque;
uu_busy_msecs = msecs;
return UURET_OK;
}
int UUEXPORT
UUSetFileCallback (void *opaque,
int (*func) _ANSI_ARGS_((void *, char *, char *, int)))
{
uu_FileCallback = func;
uu_FileCBArg = opaque;
return UURET_OK;
}
int UUEXPORT
UUSetFNameFilter (void *opaque,
char * (*func) _ANSI_ARGS_((void *, char *)))
{
uu_FNameFilter = func;
uu_FFCBArg = opaque;
return UURET_OK;
}
/*
* Return a pointer to the nth element of the GlobalFileList
* zero-based, returns NULL if item is too large.
*/
uulist * UUEXPORT
UUGetFileListItem (int item)
{
uulist *iter=UUGlobalFileList;
if (item < 0)
return NULL;
while (item && iter) {
iter = iter->NEXT;
item--;
}
return iter;
}
/*
* call the current filter
*/
char * UUEXPORT
UUFNameFilter (char *fname)
{
if (uu_FNameFilter)
return (*uu_FNameFilter) (uu_FFCBArg, fname);
return fname;
}
/*
* Load a File. We call ScanPart repeatedly until at EOF and
* add the parts to UUGlobalFileList
*/
int UUEXPORT
UULoadFile (char *filename, char *fileid, int delflag)
{
int res, sr, count=0;
struct stat finfo;
fileread *loaded;
uufile *fload;
itbd *killem;
FILE *datei;
if ((datei = fopen (filename, "rb")) == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_OPEN_SOURCE),
filename, strerror (uu_errno = errno));
return UURET_IOERR;
}
if (fstat (fileno(datei), &finfo) == -1) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_STAT_FILE),
filename, strerror (uu_errno = errno));
fclose (datei);
return UURET_IOERR;
}
/*
* schedule for destruction
*/
if (delflag && fileid==NULL) {
if ((killem = (itbd *) malloc (sizeof (itbd))) == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_WARNING,
uustring (S_OUT_OF_MEMORY), sizeof (itbd));
}
else if ((killem->fname = _FP_strdup (filename)) == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_WARNING,
uustring (S_OUT_OF_MEMORY), strlen(filename)+1);
_FP_free (killem);
}
else {
killem->NEXT = ftodel;
ftodel = killem;
}
}
progress.action = 0;
progress.partno = 0;
progress.numparts = 1;
progress.fsize = (long) ((finfo.st_size>0)?finfo.st_size:-1);
progress.percent = 0;
progress.foffset = 0;
_FP_strncpy (progress.curfile,
(strlen(filename)>255)?
(filename+strlen(filename)-255):filename,
256);
progress.action = UUACT_SCANNING;
if (fileid == NULL)
fileid = filename;
while (!feof (datei) && !ferror (datei)) {
/*
* Peek file, or some systems won't detect EOF
*/
res = fgetc (datei);
if (feof (datei) || ferror (datei))
break;
else
ungetc (res, datei);
if ((loaded = ScanPart (datei, fileid, &sr)) == NULL) {
if (sr != UURET_NODATA && sr != UURET_OK && sr != UURET_CONT) {
UUkillfread (loaded);
if (sr != UURET_CANCEL) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_READ_ERROR), filename,
strerror (uu_errno));
}
UUCheckGlobalList ();
progress.action = 0;
fclose (datei);
return sr;
}
continue;
}
if (ferror (datei)) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_READ_ERROR), filename,
strerror (uu_errno = errno));
UUCheckGlobalList ();
progress.action = 0;
fclose (datei);
return UURET_IOERR;
}
if ((loaded->uudet == QP_ENCODED || loaded->uudet == PT_ENCODED) &&
!uu_handletext && (loaded->flags&FL_PARTIAL)==0) {
/*
* Don't want text
*/
UUkillfread (loaded);
continue;
}
if ((loaded->subject == NULL || *(loaded->subject) == '\0') &&
(loaded->mimeid == NULL || *(loaded->mimeid) == '\0') &&
(loaded->filename== NULL || *(loaded->filename)== '\0') &&
(loaded->uudet == 0)) {
/*
* no useful data here
*/
UUkillfread (loaded);
if (uu_fast_scanning && sr != UURET_CONT) break;
continue;
}
if ((fload = UUPreProcessPart (loaded, &res)) == NULL) {
/*
* no useful data found
*/
if (res != UURET_NODATA) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_READ_ERROR), filename,
(res==UURET_IOERR)?strerror(uu_errno):UUstrerror(res));
}
UUkillfread (loaded);
if (uu_fast_scanning && sr != UURET_CONT) break;
continue;
}
if ((loaded->subject && *(loaded->subject)) ||
(loaded->mimeid && *(loaded->mimeid)) ||
(loaded->filename&& *(loaded->filename))||
(loaded->uudet)) {
UUMessage (uulib_id, __LINE__, UUMSG_MESSAGE,
uustring (S_LOADED_PART),
filename,
(loaded->subject) ? loaded->subject : "",
(fload->subfname) ? fload->subfname : "",
(loaded->filename) ? loaded->filename : "",
fload->partno,
(loaded->begin) ? "begin" : "",
(loaded->end) ? "end" : "",
codenames[loaded->uudet]);
}
if ((res = UUInsertPartToList (fload))) {
/*
* couldn't use the data
*/
UUkillfile (fload);
if (res != UURET_NODATA) {
UUCheckGlobalList ();
progress.action = 0;
fclose (datei);
return res;
}
if (uu_fast_scanning && sr != UURET_CONT)
break;
continue;
}
/*
* if in fast mode, we don't look any further, because we're told
* that each source file holds at most one encoded part
*/
if (uu_fast_scanning && sr != UURET_CONT)
break;
if (loaded->uudet)
count++;
}
fclose (datei);
if (!uu_fast_scanning && count==0) {
UUMessage (uulib_id, __LINE__, UUMSG_NOTE,
uustring (S_NO_DATA_FOUND), filename);
}
progress.action = 0;
UUCheckGlobalList ();
return UURET_OK;
}
/*
* decode to a temporary file. this is well handled by uudecode()
*/
int UUEXPORT
UUDecodeToTemp (uulist *thefile)
{
return UUDecode (thefile);
}
/*
* decode file first to temp file, then copy it to a final location
*/
int UUEXPORT
UUDecodeFile (uulist *thefile, char *destname)
{
FILE *target, *source;
struct stat finfo;
int fildes, res;
size_t bytes;
if (thefile == NULL)
return UURET_ILLVAL;
if ((res = UUDecode (thefile)) != UURET_OK)
if (res != UURET_NOEND || !uu_desperate)
return res;
if (thefile->binfile == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NO_BIN_FILE));
return UURET_IOERR;
}
if ((source = fopen (thefile->binfile, "rb")) == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_OPEN_FILE),
thefile->binfile, strerror (uu_errno = errno));
return UURET_IOERR;
}
/*
* for system security, strip setuid/setgid bits from mode
*/
if ((thefile->mode & 0777) != thefile->mode) {
UUMessage (uulib_id, __LINE__, UUMSG_NOTE,
uustring (S_STRIPPED_SETUID),
destname, (int)thefile->mode);
thefile->mode &= 0777;
}
/*
* Determine the name of the target file according to the rules:
*
* IF (destname!=NULL) THEN filename=destname;
* ELSE
* filename = thefile->filename
* IF (FilenameFilter!=NULL) THEN filename=FilenameFilter(filename);
* filename = SaveFilePath + filename
* END
*/
if (destname)
strcpy (uugen_fnbuffer, destname);
else {
sprintf (uugen_fnbuffer, "%s%s",
(uusavepath)?uusavepath:"",
UUFNameFilter ((thefile->filename)?
thefile->filename:"unknown.xxx"));
}
/*
* if we don't want to overwrite existing files, check if it's there
*/
if (!uu_overwrite) {
if (stat (uugen_fnbuffer, &finfo) == 0) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_TARGET_EXISTS), uugen_fnbuffer);
fclose (source);
return UURET_EXISTS;
}
}
if (fstat (fileno(source), &finfo) == -1) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_STAT_FILE),
thefile->binfile, strerror (uu_errno = errno));
fclose (source);
return UURET_IOERR;
}
progress.action = 0;
_FP_strncpy (progress.curfile,
(strlen(uugen_fnbuffer)>255)?
(uugen_fnbuffer+strlen(uugen_fnbuffer)-255):uugen_fnbuffer,
256);
progress.partno = 0;
progress.numparts = 1;
progress.fsize = (long) ((finfo.st_size)?finfo.st_size:-1);
progress.foffset = 0;
progress.percent = 0;
progress.action = UUACT_COPYING;
if ((fildes = open (uugen_fnbuffer,
O_WRONLY | O_CREAT | O_BINARY | O_TRUNC,
(uu_ignmode)?0666:thefile->mode)) == -1) {
progress.action = 0;
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_OPEN_TARGET),
uugen_fnbuffer, strerror (uu_errno = errno));
fclose (source);
return UURET_IOERR;
}
if ((target = fdopen (fildes, "wb")) == NULL) {
progress.action = 0;
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_IO_ERR_TARGET),
uugen_fnbuffer, strerror (uu_errno = errno));
fclose (source);
close (fildes);
return UURET_IOERR;
}
while (!feof (source)) {
if (UUBUSYPOLL(ftell(source),progress.fsize)) {
UUMessage (uulib_id, __LINE__, UUMSG_NOTE,
uustring (S_DECODE_CANCEL));
fclose (source);
fclose (target);
unlink (uugen_fnbuffer);
return UURET_CANCEL;
}
bytes = fread (uugen_inbuffer, 1, 1024, source);
if (ferror (source) || (bytes == 0 && !feof (source))) {
progress.action = 0;
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_READ_ERROR),
thefile->binfile, strerror (uu_errno = errno));
fclose (source);
fclose (target);
unlink (uugen_fnbuffer);
return UURET_IOERR;
}
if (fwrite (uugen_inbuffer, 1, bytes, target) != bytes) {
progress.action = 0;
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_WR_ERR_TARGET),
uugen_fnbuffer, strerror (uu_errno = errno));
fclose (source);
fclose (target);
unlink (uugen_fnbuffer);
return UURET_IOERR;
}
}
fclose (target);
fclose (source);
/*
* after a successful decoding run, we delete the temporary file
*/
if (unlink (thefile->binfile)) {
UUMessage (uulib_id, __LINE__, UUMSG_WARNING,
uustring (S_TMP_NOT_REMOVED),
thefile->binfile,
strerror (uu_errno = errno));
}
_FP_free (thefile->binfile);
thefile->binfile = NULL;
thefile->state &= ~UUFILE_TMPFILE;
thefile->state |= UUFILE_DECODED;
progress.action = 0;
return UURET_OK;
}
/*
* Calls a function repeatedly with all the info we have for a file
* If the function returns non-zero, we break and don't send any more
*/
int UUEXPORT
UUInfoFile (uulist *thefile, void *opaque,
int (*func) _ANSI_ARGS_((void *, char *)))
{
int errflag=0, res, bhflag=0, dd;
long maxpos;
FILE *inpfile;
/*
* We might need to ask our callback function to download the file
*/
if (uu_FileCallback) {
if ((res = (*uu_FileCallback) (uu_FileCBArg,
thefile->thisfile->data->sfname,
uugen_fnbuffer,
1)) != UURET_OK)
return res;
if ((inpfile = fopen (uugen_fnbuffer, "rb")) == NULL) {
(*uu_FileCallback) (uu_FileCBArg, thefile->thisfile->data->sfname,
uugen_fnbuffer, 0);
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_OPEN_FILE), uugen_fnbuffer,
strerror (uu_errno = errno));
return UURET_IOERR;
}
}
else {
if ((inpfile = fopen (thefile->thisfile->data->sfname, "rb")) == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_OPEN_FILE),
thefile->thisfile->data->sfname,
strerror (uu_errno=errno));
return UURET_IOERR;
}
_FP_strncpy (uugen_fnbuffer, thefile->thisfile->data->sfname, 1024);
}
/*
* seek to beginning of info
*/
fseek (inpfile, thefile->thisfile->data->startpos, SEEK_SET);
maxpos = thefile->thisfile->data->startpos + thefile->thisfile->data->length;
while (!feof (inpfile) &&
(uu_fast_scanning || ftell(inpfile) < maxpos)) {
if (_FP_fgets (uugen_inbuffer, 511, inpfile) == NULL)
break;
uugen_inbuffer[511] = '\0';
if (ferror (inpfile))
break;
dd = UUValidData (uugen_inbuffer, 0, &bhflag);
if (thefile->uudet == B64ENCODED && dd == B64ENCODED)
break;
else if (thefile->uudet == BH_ENCODED && bhflag)
break;
else if ((thefile->uudet == UU_ENCODED || thefile->uudet == XX_ENCODED) &&
strncmp (uugen_inbuffer, "begin ", 6) == 0)
break;
if ((*func) (opaque, uugen_inbuffer))
break;
}
if (ferror (inpfile)) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_READ_ERROR),
uugen_fnbuffer, strerror (uu_errno = errno));
errflag = 1;
}
fclose (inpfile);
if (uu_FileCallback)
(*uu_FileCallback) (uu_FileCBArg,
thefile->thisfile->data->sfname,
uugen_fnbuffer, 0);
if (errflag)
return UURET_IOERR;
return UURET_OK;
}
int UUEXPORT
UURenameFile (uulist *thefile, char *newname)
{
char *oldname;
if (thefile == NULL)
return UURET_ILLVAL;
oldname = thefile->filename;
if ((thefile->filename = _FP_strdup (newname)) == NULL) {
UUMessage (uulib_id, __LINE__, UUMSG_ERROR,
uustring (S_NOT_RENAME),
oldname, newname);
thefile->filename = oldname;
return UURET_NOMEM;
}
_FP_free (oldname);
return UURET_OK;
}
int UUEXPORT
UURemoveTemp (uulist *thefile)
{
if (thefile == NULL)
return UURET_ILLVAL;
if (thefile->binfile) {
if (unlink (thefile->binfile)) {
UUMessage (uulib_id, __LINE__, UUMSG_WARNING,
uustring (S_TMP_NOT_REMOVED),
thefile->binfile,
strerror (uu_errno = errno));
}
_FP_free (thefile->binfile);
thefile->binfile = NULL;
thefile->state &= ~UUFILE_TMPFILE;
}
return UURET_OK;
}
int UUEXPORT
UUCleanUp (void)
{
itbd *iter=ftodel, *ptr;
allomap *aiter;
UUkilllist (UUGlobalFileList);
UUGlobalFileList = NULL;
/*
* delete input files
*/
while (iter) {
if (unlink (iter->fname)) {
UUMessage (uulib_id, __LINE__, UUMSG_WARNING,
uustring (S_TMP_NOT_REMOVED),
iter->fname, strerror (uu_errno = errno));
}
_FP_free (iter->fname);
ptr = iter;
iter = iter->NEXT;
_FP_free (ptr);
}
ftodel = NULL;
_FP_free (uusavepath);
_FP_free (uuencodeext);
_FP_free (sstate.source);
uusavepath = NULL;
uuencodeext = NULL;
UUkillheaders (&localenv);
UUkillheaders (&sstate.envelope);
memset (&localenv, 0, sizeof (headers));
memset (&sstate, 0, sizeof (scanstate));
while (mssdepth) {
mssdepth--;
UUkillheaders (&(multistack[mssdepth].envelope));
_FP_free (multistack[mssdepth].source);
}
/*
* clean up the malloc'ed stuff
*/
for (aiter=toallocate; aiter->ptr; aiter++) {
_FP_free (*(aiter->ptr));
*(aiter->ptr) = NULL;
}
return UURET_OK;
}
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