| 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() */ |
| |