0,0 → 1,968 |
/* |
Kolibri OS port for gcc 5.4 |
|
Started by Siemargl @Nov 2016 |
Borrowed code parts from other unzip ports |
|
howto make: |
go in unzip60 directory (below this file) and |
>make -f kolibri\makefile.gcc |
|
Contains: |
version() |
mapattr() |
checkdir() |
|
extract.o:extract.c:(.text+0x1410): undefined reference to `mapname' |
extract.o:extract.c:(.text+0x241d): undefined reference to `close_outfile' |
extract.o:extract.c:(.text+0x2e09): undefined reference to `checkdir' |
process.o:process.c:(.text+0x13e9): undefined reference to `checkdir' |
process.o:process.c:(.text+0x15a1): undefined reference to `do_wild' |
kolibri\makefile.gcc:276: recipe for target 'unzip.exe' failed |
*/ |
|
#define FATTR FS_HIDDEN+FS_SYSTEM+FS_SUBDIR |
|
|
|
#define UNZIP_INTERNAL |
#include "unzip.h" |
|
// Siemargl fork of Kolibri system API |
#include "kos32sys1.h" |
|
/********************************************************************************************************************/ |
/*** Function version() */ |
/********************************************************************************************************************/ |
|
void version(__G) |
__GDEF |
{ |
sprintf((char *)slide, LoadFarString(CompiledWith), |
#if defined(__TINYC__) |
"TinyC", "", |
#elif defined(__GNUC__) |
"GNU C ", __VERSION__, |
#else |
"(unknown compiler) ","", |
#endif |
"KolibriOS ", |
|
#ifdef __POWERPC__ |
"(PowerPC)", |
#else |
# ifdef __INTEL__ |
"(x86)", |
# else |
"(unknown)", /* someday we may have other architectures... */ |
# endif |
#endif |
|
#ifdef __DATE__ |
" on ", __DATE__ |
#else |
"", "" |
#endif |
); |
|
(*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0); |
|
} /* end function version() */ |
|
|
/********************************************************************************************************************/ |
/*** Function mapattr() */ |
/********************************************************************************************************************/ |
|
/* Identical to MS-DOS, OS/2 versions. However, NT has a lot of extra |
* permission stuff, so this function should probably be extended in the |
* future. */ |
|
int mapattr(__G) |
__GDEF |
{ |
/* set archive bit for file entries (file is not backed up): */ |
G.pInfo->file_attr = ((unsigned)G.crec.external_file_attributes | |
(G.crec.external_file_attributes & FS_SUBDIR ? |
0 : FS_ARCHIV)) & 0xff; |
return 0; |
|
} /* end function mapattr() */ |
|
|
/********************************************************************************************************************/ |
/*** Function checkdir() */ |
/********************************************************************************************************************/ |
|
/************************/ |
/* Function mapname() */ |
/************************/ |
|
int mapname(__G__ renamed) |
__GDEF |
int renamed; |
/* |
* returns: |
* MPN_OK - no problem detected |
* MPN_INF_TRUNC - caution (truncated filename) |
* MPN_INF_SKIP - info "skip entry" (dir doesn't exist) |
* MPN_ERR_SKIP - error -> skip entry |
* MPN_ERR_TOOLONG - error -> path is too long |
* MPN_NOMEM - error (memory allocation failed) -> skip entry |
* [also MPN_VOL_LABEL, MPN_CREATED_DIR] |
*/ |
{ |
char pathcomp[FILNAMSIZ]; /* path-component buffer */ |
char *pp, *cp=(char *)NULL; /* character pointers */ |
char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */ |
#ifdef ACORN_FTYPE_NFS |
char *lastcomma=(char *)NULL; /* pointer to last comma in pathcomp */ |
RO_extra_block *ef_spark; /* pointer Acorn FTYPE ef block */ |
#endif |
int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */ |
int error = MPN_OK; |
register unsigned workch; /* hold the character being tested */ |
|
|
/*--------------------------------------------------------------------------- |
Initialize various pointers and counters and stuff. |
---------------------------------------------------------------------------*/ |
|
if (G.pInfo->vollabel) |
return MPN_VOL_LABEL; /* can't set disk volume labels in Unix */ |
|
/* can create path as long as not just freshening, or if user told us */ |
G.create_dirs = (!uO.fflag || renamed); |
|
G.created_dir = FALSE; /* not yet */ |
|
/* user gave full pathname: don't prepend rootpath */ |
G.renamed_fullpath = (renamed && (*G.filename == '/')); |
|
if (checkdir(__G__ (char *)NULL, INIT) == MPN_NOMEM) |
return MPN_NOMEM; /* initialize path buffer, unless no memory */ |
|
*pathcomp = '\0'; /* initialize translation buffer */ |
pp = pathcomp; /* point to translation buffer */ |
if (uO.jflag) /* junking directories */ |
cp = (char *)strrchr(G.filename, '/'); |
if (cp == (char *)NULL) /* no '/' or not junking dirs */ |
cp = G.filename; /* point to internal zipfile-member pathname */ |
else |
++cp; /* point to start of last component of path */ |
|
/*--------------------------------------------------------------------------- |
Begin main loop through characters in filename. |
---------------------------------------------------------------------------*/ |
|
while ((workch = (uch)*cp++) != 0) { |
|
switch (workch) { |
case '/': /* can assume -j flag not given */ |
*pp = '\0'; |
if (strcmp(pathcomp, ".") == 0) { |
/* don't bother appending "./" to the path */ |
*pathcomp = '\0'; |
} else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) { |
/* "../" dir traversal detected, skip over it */ |
*pathcomp = '\0'; |
killed_ddot = TRUE; /* set "show message" flag */ |
} |
/* when path component is not empty, append it now */ |
if (*pathcomp != '\0' && |
((error = checkdir(__G__ pathcomp, APPEND_DIR)) |
& MPN_MASK) > MPN_INF_TRUNC) |
return error; |
pp = pathcomp; /* reset conversion buffer for next piece */ |
lastsemi = (char *)NULL; /* leave direct. semi-colons alone */ |
break; |
|
#ifdef __CYGWIN__ /* Cygwin runs on Win32, apply FAT/NTFS filename rules */ |
case ':': /* drive spec not stored, so no colon allowed */ |
case '\\': /* '\\' may come as normal filename char (not */ |
case '<': /* dir sep char!) from unix-like file system */ |
case '>': /* no redirection symbols allowed either */ |
case '|': /* no pipe signs allowed */ |
case '"': /* no double quotes allowed */ |
case '?': /* no wildcards allowed */ |
case '*': |
*pp++ = '_'; /* these rules apply equally to FAT and NTFS */ |
break; |
#endif |
|
case ';': /* VMS version (or DEC-20 attrib?) */ |
lastsemi = pp; |
*pp++ = ';'; /* keep for now; remove VMS ";##" */ |
break; /* later, if requested */ |
|
#ifdef ACORN_FTYPE_NFS |
case ',': /* NFS filetype extension */ |
lastcomma = pp; |
*pp++ = ','; /* keep for now; may need to remove */ |
break; /* later, if requested */ |
#endif |
|
#ifdef MTS |
case ' ': /* change spaces to underscore under */ |
*pp++ = '_'; /* MTS; leave as spaces under Unix */ |
break; |
#endif |
|
default: |
/* disable control character filter when requested, |
* else allow 8-bit characters (e.g. UTF-8) in filenames: |
*/ |
; |
/*kos |
if (uO.cflxflag || |
(isprint(workch) || (128 <= workch && workch <= 254))) |
*pp++ = (char)workch; |
*/ |
} /* end switch */ |
|
} /* end while loop */ |
|
/* Show warning when stripping insecure "parent dir" path components */ |
if (killed_ddot && QCOND2) { |
Info(slide, 0, ((char *)slide, |
"warning: skipped \"../\" path component(s) in %s\n", |
FnFilter1(G.filename))); |
if (!(error & ~MPN_MASK)) |
error = (error & MPN_MASK) | PK_WARN; |
} |
|
/*--------------------------------------------------------------------------- |
Report if directory was created (and no file to create: filename ended |
in '/'), check name to be sure it exists, and combine path and name be- |
fore exiting. |
---------------------------------------------------------------------------*/ |
|
if (G.filename[strlen(G.filename) - 1] == '/') { |
checkdir(__G__ G.filename, GETPATH); |
if (G.created_dir) { |
if (QCOND2) { |
Info(slide, 0, ((char *)slide, " creating: %s\n", |
FnFilter1(G.filename))); |
} |
#ifndef NO_CHMOD |
/* Filter out security-relevant attributes bits. */ |
G.pInfo->file_attr = filtattr(__G__ G.pInfo->file_attr); |
/* When extracting non-UNIX directories or when extracting |
* without UID/GID restoration or SGID preservation, any |
* SGID flag inherited from the parent directory should be |
* maintained to allow files extracted into this new folder |
* to inherit the GID setting from the parent directory. |
*/ |
if (G.pInfo->hostnum != UNIX_ || !(uO.X_flag || uO.K_flag)) { |
/* preserve SGID bit when inherited from parent dir */ |
if (!SSTAT(G.filename, &G.statbuf)) { |
G.pInfo->file_attr |= G.statbuf.st_mode & S_ISGID; |
} else { |
perror("Could not read directory attributes"); |
} |
} |
|
/* set approx. dir perms (make sure can still read/write in dir) */ |
if (chmod(G.filename, G.pInfo->file_attr | 0700)) |
perror("chmod (directory attributes) error"); |
#endif |
/* set dir time (note trailing '/') */ |
return (error & ~MPN_MASK) | MPN_CREATED_DIR; |
} |
/* dir existed already; don't look for data to extract */ |
return (error & ~MPN_MASK) | MPN_INF_SKIP; |
} |
|
*pp = '\0'; /* done with pathcomp: terminate it */ |
|
/* if not saving them, remove VMS version numbers (appended ";###") */ |
if (!uO.V_flag && lastsemi) { |
pp = lastsemi + 1; |
while (isdigit((uch)(*pp))) |
++pp; |
if (*pp == '\0') /* only digits between ';' and end: nuke */ |
*lastsemi = '\0'; |
} |
|
/* On UNIX (and compatible systems), "." and ".." are reserved for |
* directory navigation and cannot be used as regular file names. |
* These reserved one-dot and two-dot names are mapped to "_" and "__". |
*/ |
if (strcmp(pathcomp, ".") == 0) |
*pathcomp = '_'; |
else if (strcmp(pathcomp, "..") == 0) |
strcpy(pathcomp, "__"); |
|
#ifdef ACORN_FTYPE_NFS |
/* translate Acorn filetype information if asked to do so */ |
if (uO.acorn_nfs_ext && |
(ef_spark = (RO_extra_block *) |
getRISCOSexfield(G.extra_field, G.lrec.extra_field_length)) |
!= (RO_extra_block *)NULL) |
{ |
/* file *must* have a RISC OS extra field */ |
long ft = (long)makelong(ef_spark->loadaddr); |
/*32-bit*/ |
if (lastcomma) { |
pp = lastcomma + 1; |
while (isxdigit((uch)(*pp))) ++pp; |
if (pp == lastcomma+4 && *pp == '\0') *lastcomma='\0'; /* nuke */ |
} |
if ((ft & 1<<31)==0) ft=0x000FFD00; |
sprintf(pathcomp+strlen(pathcomp), ",%03x", (int)(ft>>8) & 0xFFF); |
} |
#endif /* ACORN_FTYPE_NFS */ |
|
if (*pathcomp == '\0') { |
Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n", |
FnFilter1(G.filename))); |
return (error & ~MPN_MASK) | MPN_ERR_SKIP; |
} |
|
checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */ |
checkdir(__G__ G.filename, GETPATH); |
|
return error; |
|
} /* end function mapname() */ |
|
|
|
|
#if 0 /*========== NOTES ==========*/ |
|
extract-to dir: a:path/ |
buildpath: path1/path2/ ... (NULL-terminated) |
pathcomp: filename |
|
mapname(): |
loop over chars in zipfile member name |
checkdir(path component, COMPONENT | CREATEDIR) --> map as required? |
(d:/tmp/unzip/) (disk:[tmp.unzip.) |
(d:/tmp/unzip/jj/) (disk:[tmp.unzip.jj.) |
(d:/tmp/unzip/jj/temp/) (disk:[tmp.unzip.jj.temp.) |
finally add filename itself and check for existence? (could use with rename) |
(d:/tmp/unzip/jj/temp/msg.outdir) (disk:[tmp.unzip.jj.temp]msg.outdir) |
checkdir(name, GETPATH) --> copy path to name and free space |
|
#endif /* 0 */ |
|
|
|
|
/***********************/ |
/* Function checkdir() */ |
/***********************/ |
|
int checkdir(__G__ pathcomp, flag) |
__GDEF |
char *pathcomp; |
int flag; |
/* |
* returns: |
* MPN_OK - no problem detected |
* MPN_INF_TRUNC - (on APPEND_NAME) truncated filename |
* MPN_INF_SKIP - path doesn't exist, not allowed to create |
* MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path |
* exists and is not a directory, but is supposed to be |
* MPN_ERR_TOOLONG - path is too long |
* MPN_NOMEM - can't allocate memory for filename buffers |
*/ |
{ |
/* static int rootlen = 0; */ /* length of rootpath */ |
/* static char *rootpath; */ /* user's "extract-to" directory */ |
/* static char *buildpath; */ /* full path (so far) to extracted file */ |
/* static char *end; */ /* pointer to end of buildpath ('\0') */ |
|
# define FN_MASK 7 |
# define FUNCTION (flag & FN_MASK) |
|
|
|
/*--------------------------------------------------------------------------- |
APPEND_DIR: append the path component to the path being built and check |
for its existence. If doesn't exist and we are creating directories, do |
so for this one; else signal success or error as appropriate. |
---------------------------------------------------------------------------*/ |
|
if (FUNCTION == APPEND_DIR) { |
int too_long = FALSE; |
#ifdef SHORT_NAMES |
char *old_end = end; |
#endif |
|
Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp))); |
while ((*G.end = *pathcomp++) != '\0') |
++G.end; |
#ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */ |
if ((G.end-old_end) > FILENAME_MAX) /* GRR: proper constant? */ |
*(G.end = old_end + FILENAME_MAX) = '\0'; |
#endif |
|
/* GRR: could do better check, see if overrunning buffer as we go: |
* check end-buildpath after each append, set warning variable if |
* within 20 of FILNAMSIZ; then if var set, do careful check when |
* appending. Clear variable when begin new path. */ |
|
/* next check: need to append '/', at least one-char name, '\0' */ |
if ((G.end-G.buildpath) > FILNAMSIZ-3) |
too_long = TRUE; /* check if extracting dir? */ |
if (SSTAT(G.buildpath, &G.statbuf)) { /* path doesn't exist */ |
if (!G.create_dirs) { /* told not to create (freshening) */ |
free(G.buildpath); |
return MPN_INF_SKIP; /* path doesn't exist: nothing to do */ |
} |
if (too_long) { |
Info(slide, 1, ((char *)slide, |
"checkdir error: path too long: %s\n", |
FnFilter1(G.buildpath))); |
free(G.buildpath); |
/* no room for filenames: fatal */ |
return MPN_ERR_TOOLONG; |
} |
if (mkdir(G.buildpath, 0777) == -1) { /* create the directory */ |
Info(slide, 1, ((char *)slide, |
"checkdir error: cannot create %s\n\ |
%s\n\ |
unable to process %s.\n", |
FnFilter2(G.buildpath), |
strerror(errno), |
FnFilter1(G.filename))); |
free(G.buildpath); |
/* path didn't exist, tried to create, failed */ |
return MPN_ERR_SKIP; |
} |
G.created_dir = TRUE; |
} else if (!S_ISDIR(G.statbuf.st_mode)) { |
Info(slide, 1, ((char *)slide, |
"checkdir error: %s exists but is not directory\n\ |
unable to process %s.\n", |
FnFilter2(G.buildpath), FnFilter1(G.filename))); |
free(G.buildpath); |
/* path existed but wasn't dir */ |
return MPN_ERR_SKIP; |
} |
if (too_long) { |
Info(slide, 1, ((char *)slide, |
"checkdir error: path too long: %s\n", FnFilter1(G.buildpath))); |
free(G.buildpath); |
/* no room for filenames: fatal */ |
return MPN_ERR_TOOLONG; |
} |
*G.end++ = '/'; |
*G.end = '\0'; |
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath))); |
return MPN_OK; |
|
} /* end if (FUNCTION == APPEND_DIR) */ |
|
/*--------------------------------------------------------------------------- |
GETPATH: copy full path to the string pointed at by pathcomp, and free |
G.buildpath. |
---------------------------------------------------------------------------*/ |
|
if (FUNCTION == GETPATH) { |
strcpy(pathcomp, G.buildpath); |
Trace((stderr, "getting and freeing path [%s]\n", |
FnFilter1(pathcomp))); |
free(G.buildpath); |
G.buildpath = G.end = (char *)NULL; |
return MPN_OK; |
} |
|
/*--------------------------------------------------------------------------- |
APPEND_NAME: assume the path component is the filename; append it and |
return without checking for existence. |
---------------------------------------------------------------------------*/ |
|
if (FUNCTION == APPEND_NAME) { |
#ifdef SHORT_NAMES |
char *old_end = end; |
#endif |
|
Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp))); |
while ((*G.end = *pathcomp++) != '\0') { |
++G.end; |
#ifdef SHORT_NAMES /* truncate name at 14 characters, typically */ |
if ((G.end-old_end) > FILENAME_MAX) /* GRR: proper constant? */ |
*(G.end = old_end + FILENAME_MAX) = '\0'; |
#endif |
if ((G.end-G.buildpath) >= FILNAMSIZ) { |
*--G.end = '\0'; |
Info(slide, 0x201, ((char *)slide, |
"checkdir warning: path too long; truncating\n\ |
%s\n -> %s\n", |
FnFilter1(G.filename), FnFilter2(G.buildpath))); |
return MPN_INF_TRUNC; /* filename truncated */ |
} |
} |
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath))); |
/* could check for existence here, prompt for new name... */ |
return MPN_OK; |
} |
|
/*--------------------------------------------------------------------------- |
INIT: allocate and initialize buffer space for the file currently being |
extracted. If file was renamed with an absolute path, don't prepend the |
extract-to path. |
---------------------------------------------------------------------------*/ |
|
/* GRR: for VMS and TOPS-20, add up to 13 to strlen */ |
|
if (FUNCTION == INIT) { |
Trace((stderr, "initializing buildpath to ")); |
#ifdef ACORN_FTYPE_NFS |
if ((G.buildpath = (char *)malloc(strlen(G.filename)+G.rootlen+ |
(uO.acorn_nfs_ext ? 5 : 1))) |
#else |
if ((G.buildpath = (char *)malloc(strlen(G.filename)+G.rootlen+1)) |
#endif |
== (char *)NULL) |
return MPN_NOMEM; |
if ((G.rootlen > 0) && !G.renamed_fullpath) { |
strcpy(G.buildpath, G.rootpath); |
G.end = G.buildpath + G.rootlen; |
} else { |
*G.buildpath = '\0'; |
G.end = G.buildpath; |
} |
Trace((stderr, "[%s]\n", FnFilter1(G.buildpath))); |
return MPN_OK; |
} |
|
/*--------------------------------------------------------------------------- |
ROOT: if appropriate, store the path in rootpath and create it if |
necessary; else assume it's a zipfile member and return. This path |
segment gets used in extracting all members from every zipfile specified |
on the command line. |
---------------------------------------------------------------------------*/ |
|
#if (!defined(SFX) || defined(SFX_EXDIR)) |
if (FUNCTION == ROOT) { |
Trace((stderr, "initializing root path to [%s]\n", |
FnFilter1(pathcomp))); |
if (pathcomp == (char *)NULL) { |
G.rootlen = 0; |
return MPN_OK; |
} |
if (G.rootlen > 0) /* rootpath was already set, nothing to do */ |
return MPN_OK; |
if ((G.rootlen = strlen(pathcomp)) > 0) { |
char *tmproot; |
|
if ((tmproot = (char *)malloc(G.rootlen+2)) == (char *)NULL) { |
G.rootlen = 0; |
return MPN_NOMEM; |
} |
strcpy(tmproot, pathcomp); |
if (tmproot[G.rootlen-1] == '/') { |
tmproot[--G.rootlen] = '\0'; |
} |
if (G.rootlen > 0 && (SSTAT(tmproot, &G.statbuf) || |
!S_ISDIR(G.statbuf.st_mode))) |
{ /* path does not exist */ |
if (!G.create_dirs /* || iswild(tmproot) */ ) { |
free(tmproot); |
G.rootlen = 0; |
/* skip (or treat as stored file) */ |
return MPN_INF_SKIP; |
} |
/* create the directory (could add loop here scanning tmproot |
* to create more than one level, but why really necessary?) */ |
if (mkdir(tmproot, 0777) == -1) { |
Info(slide, 1, ((char *)slide, |
"checkdir: cannot create extraction directory: %s\n\ |
%s\n", |
FnFilter1(tmproot), strerror(errno))); |
free(tmproot); |
G.rootlen = 0; |
/* path didn't exist, tried to create, and failed: */ |
/* file exists, or 2+ subdir levels required */ |
return MPN_ERR_SKIP; |
} |
} |
tmproot[G.rootlen++] = '/'; |
tmproot[G.rootlen] = '\0'; |
if ((G.rootpath = (char *)realloc(tmproot, G.rootlen+1)) == NULL) { |
free(tmproot); |
G.rootlen = 0; |
return MPN_NOMEM; |
} |
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(G.rootpath))); |
} |
return MPN_OK; |
} |
#endif /* !SFX || SFX_EXDIR */ |
|
/*--------------------------------------------------------------------------- |
END: free rootpath, immediately prior to program exit. |
---------------------------------------------------------------------------*/ |
|
if (FUNCTION == END) { |
Trace((stderr, "freeing rootpath\n")); |
if (G.rootlen > 0) { |
free(G.rootpath); |
G.rootlen = 0; |
} |
return MPN_OK; |
} |
|
return MPN_INVALID; /* should never reach */ |
|
} /* end function checkdir() */ |
|
static int get_extattribs OF((__GPRO__ iztimes *pzt, ulg z_uidgid[2])); |
|
static int get_extattribs(__G__ pzt, z_uidgid) |
__GDEF |
iztimes *pzt; |
ulg z_uidgid[2]; |
{ |
/*--------------------------------------------------------------------------- |
Convert from MSDOS-format local time and date to Unix-format 32-bit GMT |
time: adjust base year from 1980 to 1970, do usual conversions from |
yy/mm/dd hh:mm:ss to elapsed seconds, and account for timezone and day- |
light savings time differences. If we have a Unix extra field, however, |
we're laughing: both mtime and atime are ours. On the other hand, we |
then have to check for restoration of UID/GID. |
---------------------------------------------------------------------------*/ |
int have_uidgid_flg; |
unsigned eb_izux_flg; |
|
eb_izux_flg = 0; // kos32 |
/* |
(G.extra_field ? ef_scan_for_izux(G.extra_field, |
G.lrec.extra_field_length, 0, G.lrec.last_mod_dos_datetime, |
#ifdef IZ_CHECK_TZ |
(G.tz_is_valid ? pzt : NULL), |
#else |
pzt, |
#endif |
z_uidgid) : 0); |
*/ |
if (eb_izux_flg & EB_UT_FL_MTIME) { |
TTrace((stderr, "\nget_extattribs: Unix e.f. modif. time = %ld\n", |
pzt->mtime)); |
} else { |
pzt->mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime); |
} |
if (eb_izux_flg & EB_UT_FL_ATIME) { |
TTrace((stderr, "get_extattribs: Unix e.f. access time = %ld\n", |
pzt->atime)); |
} else { |
pzt->atime = pzt->mtime; |
TTrace((stderr, "\nget_extattribs: modification/access times = %ld\n", |
pzt->mtime)); |
} |
|
/* if -X option was specified and we have UID/GID info, restore it */ |
have_uidgid_flg = |
#ifdef RESTORE_UIDGID |
(uO.X_flag && (eb_izux_flg & EB_UX2_VALID)); |
#else |
0; |
#endif |
return have_uidgid_flg; |
} |
|
/****************************/ |
/* Function close_outfile() */ |
/****************************/ |
|
void close_outfile(__G) /* GRR: change to return PK-style warning level */ |
__GDEF |
{ |
union { |
iztimes t3; /* mtime, atime, ctime */ |
ztimbuf t2; /* modtime, actime */ |
} zt; |
ulg z_uidgid[2]; |
int have_uidgid_flg; |
|
have_uidgid_flg = get_extattribs(__G__ &(zt.t3), z_uidgid); |
|
/*--------------------------------------------------------------------------- |
If symbolic links are supported, allocate storage for a symlink control |
structure, put the uncompressed "data" and other required info in it, and |
add the structure to the "deferred symlinks" chain. Since we know it's a |
symbolic link to start with, we shouldn't have to worry about overflowing |
unsigned ints with unsigned longs. |
---------------------------------------------------------------------------*/ |
|
#ifdef SYMLINKS |
if (G.symlnk) { |
extent ucsize = (extent)G.lrec.ucsize; |
# ifdef SET_SYMLINK_ATTRIBS |
extent attribsize = sizeof(unsigned) + |
(have_uidgid_flg ? sizeof(z_uidgid) : 0); |
# else |
extent attribsize = 0; |
# endif |
/* size of the symlink entry is the sum of |
* (struct size (includes 1st '\0') + 1 additional trailing '\0'), |
* system specific attribute data size (might be 0), |
* and the lengths of name and link target. |
*/ |
extent slnk_entrysize = (sizeof(slinkentry) + 1) + attribsize + |
ucsize + strlen(G.filename); |
slinkentry *slnk_entry; |
|
if (slnk_entrysize < ucsize) { |
Info(slide, 0x201, ((char *)slide, |
"warning: symbolic link (%s) failed: mem alloc overflow\n", |
FnFilter1(G.filename))); |
fclose(G.outfile); |
return; |
} |
|
if ((slnk_entry = (slinkentry *)malloc(slnk_entrysize)) == NULL) { |
Info(slide, 0x201, ((char *)slide, |
"warning: symbolic link (%s) failed: no mem\n", |
FnFilter1(G.filename))); |
fclose(G.outfile); |
return; |
} |
slnk_entry->next = NULL; |
slnk_entry->targetlen = ucsize; |
slnk_entry->attriblen = attribsize; |
# ifdef SET_SYMLINK_ATTRIBS |
memcpy(slnk_entry->buf, &(G.pInfo->file_attr), |
sizeof(unsigned)); |
if (have_uidgid_flg) |
memcpy(slnk_entry->buf + 4, z_uidgid, sizeof(z_uidgid)); |
# endif |
slnk_entry->target = slnk_entry->buf + slnk_entry->attriblen; |
slnk_entry->fname = slnk_entry->target + ucsize + 1; |
strcpy(slnk_entry->fname, G.filename); |
|
/* move back to the start of the file to re-read the "link data" */ |
rewind(G.outfile); |
|
if (fread(slnk_entry->target, 1, ucsize, G.outfile) != ucsize) |
{ |
Info(slide, 0x201, ((char *)slide, |
"warning: symbolic link (%s) failed\n", |
FnFilter1(G.filename))); |
free(slnk_entry); |
fclose(G.outfile); |
return; |
} |
fclose(G.outfile); /* close "link" file for good... */ |
slnk_entry->target[ucsize] = '\0'; |
if (QCOND2) |
Info(slide, 0, ((char *)slide, "-> %s ", |
FnFilter1(slnk_entry->target))); |
/* add this symlink record to the list of deferred symlinks */ |
if (G.slink_last != NULL) |
G.slink_last->next = slnk_entry; |
else |
G.slink_head = slnk_entry; |
G.slink_last = slnk_entry; |
return; |
} |
#endif /* SYMLINKS */ |
|
#ifdef QLZIP |
if (G.extra_field) { |
static void qlfix OF((__GPRO__ uch *ef_ptr, unsigned ef_len)); |
|
qlfix(__G__ G.extra_field, G.lrec.extra_field_length); |
} |
#endif |
|
#if (defined(NO_FCHOWN)) |
fclose(G.outfile); |
#endif |
|
// kos. add set file datetime ? |
#ifndef KOS32 |
/* if -X option was specified and we have UID/GID info, restore it */ |
if (have_uidgid_flg |
/* check that both uid and gid values fit into their data sizes */ |
&& ((ulg)(uid_t)(z_uidgid[0]) == z_uidgid[0]) |
&& ((ulg)(gid_t)(z_uidgid[1]) == z_uidgid[1])) { |
TTrace((stderr, "close_outfile: restoring Unix UID/GID info\n")); |
#if (defined(NO_FCHOWN)) |
if (chown(G.filename, (uid_t)z_uidgid[0], (gid_t)z_uidgid[1])) |
#else |
if (fchown(fileno(G.outfile), (uid_t)z_uidgid[0], (gid_t)z_uidgid[1])) |
#endif |
{ |
if (uO.qflag) |
Info(slide, 0x201, ((char *)slide, CannotSetItemUidGid, |
z_uidgid[0], z_uidgid[1], FnFilter1(G.filename), |
strerror(errno))); |
else |
Info(slide, 0x201, ((char *)slide, CannotSetUidGid, |
z_uidgid[0], z_uidgid[1], strerror(errno))); |
} |
} |
|
#if (!defined(NO_FCHOWN) && defined(NO_FCHMOD)) |
fclose(G.outfile); |
#endif |
|
#if (!defined(NO_FCHOWN) && !defined(NO_FCHMOD)) |
/*--------------------------------------------------------------------------- |
Change the file permissions from default ones to those stored in the |
zipfile. |
---------------------------------------------------------------------------*/ |
|
if (fchmod(fileno(G.outfile), filtattr(__G__ G.pInfo->file_attr))) |
perror("fchmod (file attributes) error"); |
|
fclose(G.outfile); |
#endif /* !NO_FCHOWN && !NO_FCHMOD */ |
|
/* skip restoring time stamps on user's request */ |
if (uO.D_flag <= 1) { |
/* set the file's access and modification times */ |
if (utime(G.filename, &(zt.t2))) { |
if (uO.qflag) |
Info(slide, 0x201, ((char *)slide, CannotSetItemTimestamps, |
FnFilter1(G.filename), strerror(errno))); |
else |
Info(slide, 0x201, ((char *)slide, CannotSetTimestamps, |
strerror(errno))); |
} |
} |
|
#if (defined(NO_FCHOWN) || defined(NO_FCHMOD)) |
/*--------------------------------------------------------------------------- |
Change the file permissions from default ones to those stored in the |
zipfile. |
---------------------------------------------------------------------------*/ |
|
#ifndef NO_CHMOD |
if (chmod(G.filename, filtattr(__G__ G.pInfo->file_attr))) |
perror("chmod (file attributes) error"); |
#endif |
#endif /* NO_FCHOWN || NO_FCHMOD */ |
|
#endif // 0 |
|
} /* end function close_outfile() */ |
|
|
/**********************/ |
/* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */ |
/**********************/ |
|
char *do_wild(__G__ wildspec) |
__GDEF |
ZCONST char *wildspec; /* only used first time on a given dir */ |
{ |
/* these statics are now declared in SYSTEM_SPECIFIC_GLOBALS in unxcfg.h: |
static DIR *wild_dir = (DIR *)NULL; |
static ZCONST char *wildname; |
static char *dirname, matchname[FILNAMSIZ]; |
static int notfirstcall=FALSE, have_dirname, dirnamelen; |
*/ |
struct dirent *file; |
|
/* Even when we're just returning wildspec, we *always* do so in |
* matchname[]--calling routine is allowed to append four characters |
* to the returned string, and wildspec may be a pointer to argv[]. |
*/ |
if (!G.notfirstcall) { /* first call: must initialize everything */ |
G.notfirstcall = TRUE; |
|
if (!iswild(wildspec)) { |
strncpy(G.matchname, wildspec, FILNAMSIZ); |
G.matchname[FILNAMSIZ-1] = '\0'; |
G.have_dirname = FALSE; |
G.wild_dir = NULL; |
return G.matchname; |
} |
|
/* break the wildspec into a directory part and a wildcard filename */ |
if ((G.wildname = (ZCONST char *)strrchr(wildspec, '/')) == NULL) { |
G.dirname = "."; |
G.dirnamelen = 1; |
G.have_dirname = FALSE; |
G.wildname = wildspec; |
} else { |
++G.wildname; /* point at character after '/' */ |
G.dirnamelen = G.wildname - wildspec; |
if ((G.dirname = (char *)malloc(G.dirnamelen+1)) == (char *)NULL) { |
Info(slide, 0x201, ((char *)slide, |
"warning: cannot allocate wildcard buffers\n")); |
strncpy(G.matchname, wildspec, FILNAMSIZ); |
G.matchname[FILNAMSIZ-1] = '\0'; |
return G.matchname; /* but maybe filespec was not a wildcard */ |
} |
strncpy(G.dirname, wildspec, G.dirnamelen); |
G.dirname[G.dirnamelen] = '\0'; /* terminate for strcpy below */ |
G.have_dirname = TRUE; |
} |
|
if ((G.wild_dir = (zvoid *)opendir(G.dirname)) != (zvoid *)NULL) { |
while ((file = readdir((DIR *)G.wild_dir)) != |
(struct dirent *)NULL) { |
Trace((stderr, "do_wild: readdir returns %s\n", |
FnFilter1(file->d_name))); |
if (file->d_name[0] == '.' && G.wildname[0] != '.') |
continue; /* Unix: '*' and '?' do not match leading dot */ |
if (match(file->d_name, G.wildname, 0 WISEP) &&/*0=case sens.*/ |
/* skip "." and ".." directory entries */ |
strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) { |
Trace((stderr, "do_wild: match() succeeds\n")); |
if (G.have_dirname) { |
strcpy(G.matchname, G.dirname); |
strcpy(G.matchname+G.dirnamelen, file->d_name); |
} else |
strcpy(G.matchname, file->d_name); |
return G.matchname; |
} |
} |
/* if we get to here directory is exhausted, so close it */ |
closedir((DIR *)G.wild_dir); |
G.wild_dir = (zvoid *)NULL; |
} |
Trace((stderr, "do_wild: opendir(%s) returns NULL\n", |
FnFilter1(G.dirname))); |
|
/* return the raw wildspec in case that works (e.g., directory not |
* searchable, but filespec was not wild and file is readable) */ |
strncpy(G.matchname, wildspec, FILNAMSIZ); |
G.matchname[FILNAMSIZ-1] = '\0'; |
return G.matchname; |
} |
|
/* last time through, might have failed opendir but returned raw wildspec */ |
if ((DIR *)G.wild_dir == (DIR *)NULL) { |
G.notfirstcall = FALSE; /* nothing left--reset for new wildspec */ |
if (G.have_dirname) |
free(G.dirname); |
return (char *)NULL; |
} |
|
/* If we've gotten this far, we've read and matched at least one entry |
* successfully (in a previous call), so dirname has been copied into |
* matchname already. |
*/ |
while ((file = readdir((DIR *)G.wild_dir)) != (struct dirent *)NULL) { |
Trace((stderr, "do_wild: readdir returns %s\n", |
FnFilter1(file->d_name))); |
if (file->d_name[0] == '.' && G.wildname[0] != '.') |
continue; /* Unix: '*' and '?' do not match leading dot */ |
if (match(file->d_name, G.wildname, 0 WISEP)) { /* 0 == case sens. */ |
Trace((stderr, "do_wild: match() succeeds\n")); |
if (G.have_dirname) { |
/* strcpy(G.matchname, G.dirname); */ |
strcpy(G.matchname+G.dirnamelen, file->d_name); |
} else |
strcpy(G.matchname, file->d_name); |
return G.matchname; |
} |
} |
|
closedir((DIR *)G.wild_dir); /* at least one entry read; nothing left */ |
G.wild_dir = (zvoid *)NULL; |
G.notfirstcall = FALSE; /* reset for new wildspec */ |
if (G.have_dirname) |
free(G.dirname); |
return (char *)NULL; |
|
} /* end function do_wild() */ |
|