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- /*
-
- Copyright (C) 1990-1996 Mark Adler, Richard B. Wales, Jean-loup Gailly,
- Kai Uwe Rommel, Onno van der Linden and Igor Mandrichenko.
- Permission is granted to any individual or institution to use, copy, or
- redistribute this software so long as all of the original files are included,
- that it is not sold for profit, and that this copyright notice is retained.
-
- */
-
- #include "zip.h"
-
- #include <time.h>
-
- #ifdef MINIX
- # ifdef S_IWRITE
- # undef S_IWRITE
- # endif /* S_IWRITE */
- # define S_IWRITE S_IWUSR
- #endif /* S_IWUSR */
-
- #define MATCH shmatch
-
- #if defined(HAVE_DIRENT_H) || defined(_POSIX_VERSION)
- # include <dirent.h>
- #else /* !HAVE_DIRENT_H */
- # ifdef HAVE_NDIR_H
- # include <ndir.h>
- # endif /* HAVE_NDIR_H */
- # ifdef HAVE_SYS_NDIR_H
- # include <sys/ndir.h>
- # endif /* HAVE_SYS_NDIR_H */
- # ifdef HAVE_SYS_DIR_H
- # include <sys/dir.h>
- # endif /* HAVE_SYS_DIR_H */
- # ifndef dirent
- # define dirent direct
- # endif
- #endif /* HAVE_DIRENT_H || _POSIX_VERSION */
-
- #define PAD 0
- #define PATH_END '/'
-
- /* Library functions not in (most) header files */
-
- #ifndef UTIL /* the companion #endif is a bit of ways down ... */
-
- #ifdef _POSIX_VERSION
- # include <utime.h>
- #else
- int utime OF((char *, time_t *));
- #endif
-
- extern char *label;
- local ulg label_time = 0;
- local ulg label_mode = 0;
- local time_t label_utim = 0;
-
- /* Local functions */
- local char *readd OF((DIR *));
-
-
- #ifdef NO_DIR /* for AT&T 3B1 */
- #define direct dirent
- #include <sys/dir.h>
- typedef FILE DIR
- /*
- ** Apparently originally by Rich Salz.
- ** Cleaned up and modified by James W. Birdsall.
- */
-
- #define opendir(path) fopen(path, "r")
-
- struct dirent *readdir(dirp)
- DIR *dirp;
- {
- static struct dirent entry;
-
- if (dirp == NULL)
- return NULL;
- for (;;)
- if (fread (&entry, sizeof (struct dirent), 1, dirp) == 0)
- return NULL;
- else if (entry.d_ino)
- return (&entry);
- } /* end of readdir() */
-
- #define closedir(dirp) fclose(dirp)
- #endif /* NO_DIR */
-
-
- local char *readd(d)
- DIR *d; /* directory stream to read from */
- /* Return a pointer to the next name in the directory stream d, or NULL if
- no more entries or an error occurs. */
- {
- struct dirent *e;
-
- e = readdir(d);
- return e == NULL ? (char *) NULL : e->d_name;
- }
-
- int procname(n)
- char *n; /* name to process */
- /* Process a name or sh expression to operate on (or exclude). Return
- an error code in the ZE_ class. */
- {
- char *a; /* path and name for recursion */
- DIR *d; /* directory stream from opendir() */
- char *e; /* pointer to name from readd() */
- int m; /* matched flag */
- char *p; /* path for recursion */
- struct stat s; /* result of stat() */
- struct zlist far *z; /* steps through zfiles list */
-
- if (strcmp(n, "-") == 0) /* if compressing stdin */
- return newname(n, 0);
- else if (LSSTAT(n, &s))
- {
- /* Not a file or directory--search for shell expression in zip file */
- p = ex2in(n, 0, (int *)NULL); /* shouldn't affect matching chars */
- m = 1;
- for (z = zfiles; z != NULL; z = z->nxt) {
- if (MATCH(p, z->zname))
- {
- z->mark = pcount ? filter(z->zname) : 1;
- if (verbose)
- fprintf(mesg, "zip diagnostic: %scluding %s\n",
- z->mark ? "in" : "ex", z->name);
- m = 0;
- }
- }
- free((zvoid *)p);
- return m ? ZE_MISS : ZE_OK;
- }
-
- /* Live name--use if file, recurse if directory */
- if ((s.st_mode & S_IFDIR) == 0)
- {
- /* add or remove name of file */
- if ((m = newname(n, 0)) != ZE_OK)
- return m;
- } else {
- /* Add trailing / to the directory name */
- if ((p = malloc(strlen(n)+2)) == NULL)
- return ZE_MEM;
- if (strcmp(n, ".") == 0) {
- *p = '\0'; /* avoid "./" prefix and do not create zip entry */
- } else {
- strcpy(p, n);
- a = p + strlen(p);
- if (a[-1] != '/')
- strcpy(a, "/");
- if (dirnames && (m = newname(p, 1)) != ZE_OK) {
- free((zvoid *)p);
- return m;
- }
- }
- /* recurse into directory */
- if (recurse && (d = opendir(n)) != NULL)
- {
- while ((e = readd(d)) != NULL) {
- if (strcmp(e, ".") && strcmp(e, ".."))
- {
- if ((a = malloc(strlen(p) + strlen(e) + 1)) == NULL)
- {
- closedir(d);
- free((zvoid *)p);
- return ZE_MEM;
- }
- strcat(strcpy(a, p), e);
- if ((m = procname(a)) != ZE_OK) /* recurse on name */
- {
- if (m == ZE_MISS)
- zipwarn("name not matched: ", a);
- else
- ziperr(m, a);
- }
- free((zvoid *)a);
- }
- }
- closedir(d);
- }
- free((zvoid *)p);
- } /* (s.st_mode & S_IFDIR) == 0) */
- return ZE_OK;
- }
-
- char *ex2in(x, isdir, pdosflag)
- char *x; /* external file name */
- int isdir; /* input: x is a directory */
- int *pdosflag; /* output: force MSDOS file attributes? */
- /* Convert the external file name to a zip file name, returning the malloc'ed
- string or NULL if not enough memory. */
- {
- char *n; /* internal file name (malloc'ed) */
- char *t; /* shortened name */
- int dosflag;
-
- dosflag = dosify; /* default for non-DOS and non-OS/2 */
-
- /* Find starting point in name before doing malloc */
- for (t = x; *t == '/'; t++)
- ;
-
- /* Make changes, if any, to the copied name (leave original intact) */
- if (!pathput)
- t = last(t, PATH_END);
-
- /* Malloc space for internal name and copy it */
- if ((n = malloc(strlen(t) + 1)) == NULL)
- return NULL;
- strcpy(n, t);
-
- if (isdir == 42) return n; /* avoid warning on unused variable */
-
- if (dosify)
- msname(n);
-
- /* Returned malloc'ed name */
- if (pdosflag)
- *pdosflag = dosflag;
- return n;
- }
-
-
- char *in2ex(n)
- char *n; /* internal file name */
- /* Convert the zip file name to an external file name, returning the malloc'ed
- string or NULL if not enough memory. */
- {
- char *x; /* external file name */
-
- if ((x = malloc(strlen(n) + 1 + PAD)) == NULL)
- return NULL;
- strcpy(x, n);
- return x;
- }
-
- /*
- * use ztimbuf in both POSIX and non POSIX cases ?
- */
- void stamp(f, d)
- char *f; /* name of file to change */
- ulg d; /* dos-style time to change it to */
- /* Set last updated and accessed time of file f to the DOS time d. */
- {
- #ifdef _POSIX_VERSION
- struct utimbuf u; /* argument for utime() const ?? */
- #else
- time_t u[2]; /* argument for utime() */
- #endif
-
- /* Convert DOS time to time_t format in u */
- #ifdef _POSIX_VERSION
- u.actime = u.modtime = dos2unixtime(d);
- utime(f, &u);
- #else
- u[0] = u[1] = dos2unixtime(d);
- utime(f, u);
- #endif
-
- }
-
- ulg filetime(f, a, n, t)
- char *f; /* name of file to get info on */
- ulg *a; /* return value: file attributes */
- long *n; /* return value: file size */
- ztimbuf *t; /* return value: access and modification time */
- /* If file *f does not exist, return 0. Else, return the file's last
- modified date and time as an MSDOS date and time. The date and
- time is returned in a long with the date most significant to allow
- unsigned integer comparison of absolute times. Also, if a is not
- a NULL pointer, store the file attributes there, with the high two
- bytes being the Unix attributes, and the low byte being a mapping
- of that to DOS attributes. If n is not NULL, store the file size
- there. If t is not NULL, the file's access and modification time
- are stored there as UNIX time_t values.
- If f is "-", use standard input as the file. If f is a device, return
- a file size of -1 */
- {
- struct stat s; /* results of stat() */
- char name[FNMAX];
- int len = strlen(f);
-
- if (f == label) {
- if (a != NULL)
- *a = label_mode;
- if (n != NULL)
- *n = -2L; /* convention for a label name */
- if (t != NULL)
- t->actime = t->modtime = label_utim;
- return label_time;
- }
- strcpy(name, f);
- if (name[len - 1] == '/')
- name[len - 1] = '\0';
- /* not all systems allow stat'ing a file with / appended */
- if (strcmp(f, "-") == 0) {
- if (fstat(fileno(stdin), &s) != 0)
- error("fstat(stdin)");
- } else if (LSSTAT(name, &s) != 0)
- /* Accept about any file kind including directories
- * (stored with trailing / with -r option)
- */
- return 0;
-
- if (a != NULL) {
- *a = ((ulg)s.st_mode << 16) | !(s.st_mode & S_IWRITE);
- if ((s.st_mode & S_IFMT) == S_IFDIR) {
- *a |= MSDOS_DIR_ATTR;
- }
- }
- if (n != NULL)
- *n = (s.st_mode & S_IFMT) == S_IFREG ? s.st_size : -1L;
- if (t != NULL) {
- t->actime = s.st_atime;
- t->modtime = s.st_mtime;
- }
-
- return unix2dostime(&s.st_mtime);
- }
-
- int set_extra_field(z, z_utim)
- struct zlist far *z;
- ztimbuf *z_utim;
- /* store full data in local header but just time stamp info in central */
- {
- struct stat s;
-
- /* For the full sized UX local field including the UID/GID fields, we
- * have to stat the file, again. */
- if (stat(z->name, &s))
- return ZE_OPEN;
-
- #define EF_L_UNIX_LEN (EB_HEADSIZE + EB_UX_FULLSIZE)
- #define EF_C_UNIX_LEN (EB_HEADSIZE + EB_UX_MINLEN)
- if ((z->extra = (char *)malloc(EF_L_UNIX_LEN)) == NULL)
- return ZE_MEM;
- if ((z->cextra = (char *)malloc(EF_C_UNIX_LEN)) == NULL)
- return ZE_MEM;
-
- z->extra[0] = 'U';
- z->extra[1] = 'X';
- z->extra[2] = EB_UX_FULLSIZE; /* length of data part of local e.f. */
- z->extra[3] = 0;
- z->extra[4] = (char)(s.st_atime);
- z->extra[5] = (char)(s.st_atime >> 8);
- z->extra[6] = (char)(s.st_atime >> 16);
- z->extra[7] = (char)(s.st_atime >> 24);
- z->extra[8] = (char)(s.st_mtime);
- z->extra[9] = (char)(s.st_mtime >> 8);
- z->extra[10] = (char)(s.st_mtime >> 16);
- z->extra[11] = (char)(s.st_mtime >> 24);
- z->extra[12] = (char)(s.st_uid);
- z->extra[13] = (char)(s.st_uid >> 8);
- z->extra[14] = (char)(s.st_gid);
- z->extra[15] = (char)(s.st_gid >> 8);
- z->ext = EF_L_UNIX_LEN;
-
- memcpy(z->cextra, z->extra, EF_C_UNIX_LEN);
- z->cextra[2] = EB_UX_MINLEN;
- z->cext = EF_C_UNIX_LEN;
-
- /* lower-middle external-attribute byte (unused until now):
- * high bit => (have GMT mod/acc times) >>> NO LONGER USED! <<<
- * second-high bit => have Unix UID/GID info
- * NOTE: The high bit was NEVER used in any official Info-Zip release,
- * but its future use should be avoided (if possible), since it
- * was used as "GMT mod/acc times local extra field" flags in Zip beta
- * versions 2.0j up to 2.0v, for about 1.5 years.
- */
- z->atx |= 0x4000;
- return ZE_OK;
- }
-
- int deletedir(d)
- char *d; /* directory to delete */
- /* Delete the directory *d if it is empty, do nothing otherwise.
- Return the result of rmdir(), delete(), or system().
- For VMS, d must be in format [x.y]z.dir;1 (not [x.y.z]).
- */
- {
- # ifdef NO_RMDIR
- /* code from Greg Roelofs, who horked it from Mark Edwards (unzip) */
- int r, len;
- char *s; /* malloc'd string for system command */
-
- len = strlen(d);
- if ((s = malloc(len + 34)) == NULL)
- return 127;
-
- sprintf(s, "IFS=\" \t\n\" /bin/rmdir %s 2>/dev/null", d);
- r = system(s);
- free(s);
- return r;
- # else /* !NO_RMDIR */
- return rmdir(d);
- # endif /* ?NO_RMDIR */
- }
-
- /******************************/
- /* Function version_local() */
- /******************************/
-
- #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__386BSD__) || \
- defined(__bsdi__)
- #include <sys/param.h> /* for the BSD4_4 define */
- #endif
-
- void version_local()
- {
- static const char CompiledWith[] = "Compiled with %s%s for %s%s%s%s.\n\n";
- #if defined(CRAY) || defined(NX_CURRENT_COMPILER_RELEASE) || defined(NetBSD)
- char buf1[40];
- #if defined(CRAY) || defined(NX_CURRENT_COMPILER_RELEASE)
- char buf2[40];
- #endif
- #endif
-
- /* Pyramid, NeXT have problems with huge macro expansion, too: no Info() */
- printf(CompiledWith,
-
- #ifdef __GNUC__
- # ifdef NX_CURRENT_COMPILER_RELEASE
- (sprintf(buf1, "NeXT DevKit %d.%02d ", NX_CURRENT_COMPILER_RELEASE/100,
- NX_CURRENT_COMPILER_RELEASE%100), buf1),
- (strlen(__VERSION__) > 8)? "(gcc)" :
- (sprintf(buf2, "(gcc %s)", __VERSION__), buf2),
- # else
- "gcc ", __VERSION__,
- # endif
- #else
- # if defined(CRAY) && defined(_RELEASE)
- "cc ", (sprintf(buf1, "version %d", _RELEASE), buf1),
- # else
- # ifdef __VERSION__
- "cc ", __VERSION__,
- # else
- "cc", "",
- # endif
- # endif
- #endif
-
- "Unix",
-
- #if defined(sgi) || defined(__sgi)
- " (Silicon Graphics IRIX)",
- #else
- #ifdef sun
- # ifdef sparc
- # ifdef __SVR4
- " (Sun Sparc/Solaris)",
- # else /* may or may not be SunOS */
- " (Sun Sparc)",
- # endif
- # else
- # if defined(sun386) || defined(i386)
- " (Sun 386i)",
- # else
- # if defined(mc68020) || defined(__mc68020__)
- " (Sun 3)",
- # else /* mc68010 or mc68000: Sun 2 or earlier */
- " (Sun 2)",
- # endif
- # endif
- # endif
- #else
- #ifdef __hpux
- " (HP/UX)",
- #else
- #ifdef __osf__
- " (DEC OSF/1)",
- #else
- #ifdef _AIX
- " (IBM AIX)",
- #else
- #ifdef aiws
- " (IBM RT/AIX)",
- #else
- #if defined(CRAY) || defined(cray)
- # ifdef _UNICOS
- (sprintf(buf2, " (Cray UNICOS release %d)", _UNICOS), buf2),
- # else
- " (Cray UNICOS)",
- # endif
- #else
- #if defined(uts) || defined(UTS)
- " (Amdahl UTS)",
- #else
- #ifdef NeXT
- # ifdef mc68000
- " (NeXTStep/black)",
- # else
- " (NeXTStep for Intel)",
- # endif
- #else /* the next dozen or so are somewhat order-dependent */
- #if defined(linux) || defined(__linux__)
- # ifdef __ELF__
- " (Linux ELF)",
- # else
- " (Linux a.out)",
- # endif
- #else
- #ifdef MINIX
- " (Minix)",
- #else
- #ifdef M_UNIX
- " (SCO Unix)",
- #else
- #ifdef M_XENIX
- " (SCO Xenix)",
- #else
- #ifdef __NetBSD__
- # ifdef NetBSD0_8
- # if NetBSD0_8 == 1
- " (NetBSD 0.8)",
- # else
- (sprintf(buf1, " (NetBSD 0.8%c)", (char) (NetBSD0_8 + '@')), buf1),
- # endif
- # else
- # ifdef NetBSD0_9
- # if NetBSD0_9 == 1
- " (NetBSD 0.9)",
- # else
- (sprintf(buf1, " (NetBSD 0.9%c)", (char)(NetBSD0_9 + 'A' - 2)), buf1),
- # endif
- # else
- # ifdef NetBSD1_0
- # if NetBSD1_0 == 1
- " (NetBSD 1.0)",
- # else
- (sprintf(buf1, " (NetBSD 1.0%c)", (char)(NetBSD1_0 + 'A' - 2)), buf1),
- # endif
- # else
- # ifdef NetBSD1_1
- # if NetBSD1_1 == 1
- " (NetBSD 1.1)",
- # else
- (sprintf(buf1, " (NetBSD 1.1%c)", (char)(NetBSD1_1 + 'A' - 2)), buf1),
- # endif
- # else
- (BSD4_4 == 0.5)? " (NetBSD before 0.9)" : " (NetBSD 1.2 or later)",
- # endif
- # endif
- # endif
- # endif
- #else
- #ifdef __FreeBSD__
- (BSD4_4 == 0.5)? " (FreeBSD 1.x)" : " (FreeBSD 2.0 or later)",
- #else
- #ifdef __bsdi__
- (BSD4_4 == 0.5)? " (BSD/386 1.0)" : " (BSD/386 1.1 or later)",
- #else
- #ifdef __386BSD__
- (BSD4_4 == 1)? " (386BSD, post-4.4 release)" : " (386BSD)",
- #else
- #if defined(i486) || defined(__i486) || defined(__i486__)
- " (Intel 486)",
- #else
- #if defined(i386) || defined(__i386) || defined(__i386__)
- " (Intel 386)",
- #else
- #ifdef pyr
- " (Pyramid)",
- #else
- #if defined(ultrix) || defined(__ultrix)
- # if defined(mips) || defined(__mips)
- " (DEC/MIPS)",
- # else
- # if defined(vax) || defined(__vax)
- " (DEC/VAX)",
- # else /* __alpha? */
- " (DEC/Alpha)",
- # endif
- # endif
- #else
- #ifdef gould
- " (Gould)",
- #else
- #ifdef MTS
- " (MTS)",
- #else
- #ifdef __convexc__
- " (Convex)",
- #else
- "",
- #endif /* Convex */
- #endif /* MTS */
- #endif /* Gould */
- #endif /* DEC */
- #endif /* Pyramid */
- #endif /* 386 */
- #endif /* 486 */
- #endif /* 386BSD */
- #endif /* BSDI BSD/386 */
- #endif /* NetBSD */
- #endif /* FreeBSD */
- #endif /* SCO Xenix */
- #endif /* SCO Unix */
- #endif /* Minix */
- #endif /* Linux */
- #endif /* NeXT */
- #endif /* Amdahl */
- #endif /* Cray */
- #endif /* RT/AIX */
- #endif /* AIX */
- #endif /* OSF/1 */
- #endif /* HP/UX */
- #endif /* Sun */
- #endif /* SGI */
-
- #ifdef __DATE__
- " on ", __DATE__
- #else
- "", ""
- #endif
- );
-
- } /* end function version_local() */
-
- #endif /* !UTIL */
-