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| -rw-r--r-- | source3/lib/netatalk.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/source3/lib/netatalk.c b/source3/lib/netatalk.c new file mode 100644 index 0000000000..a11676b1e6 --- /dev/null +++ b/source3/lib/netatalk.c @@ -0,0 +1,159 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Copyright (C) Andrew Tridgell 1992-1998 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* + netatalk.c : routines for improving interaction between Samba and netatalk. + Copyright (C) John D. Blair <jdblair@cobaltnet.com> 1998 + Cobalt Networks, Inc. +*/ + +#include "includes.h" + +#ifdef WITH_NETATALK + +extern int DEBUGLEVEL; + +/***************** + ntalk_resourcepath: creates the path to the netatalk resource fork for + a given file + + fname: normal filename + doublename: buffer that will contain the location of the resource fork + length: length of this buffer (to prevent overflows) + + NOTE: doesn't currently gracefully deal with buffer overflows- it just + doesn't allow them to occur. +******************/ +void ntalk_resourcepath(const char *fname, char *doublename, const int length) +{ + int i; + int charnum; + int lastslash; + char appledouble[] = APPLEDOUBLE; + + /* copy fname to doublename and find last slash */ + for (i = 0; (fname[i] != 0) && (i <= length); i++) { + if (fname[i] == '/') { + lastslash = i; + } + doublename[i] = fname[i]; + } + lastslash++; /* location just after last slash */ + + /* insert .AppleDouble */ + charnum = lastslash; + for (i = 0; (appledouble[i] != 0) && (i <= length); i++) { + doublename[charnum] = appledouble[i]; + charnum++; + } + + /* append last part of file name */ + for (i = lastslash; (fname[i] != 0) && (i <= length); i++) { + doublename[charnum] = fname[i]; + charnum++; + } + + doublename[charnum] = 0; +} + +/********************** + ntalk_mkresdir: creates a new .AppleDouble directory (if necessary) + for the resource fork of a specified file +**********************/ +int ntalk_mkresdir(const char *fname) +{ + char fdir[255]; + int i; + int lastslash; + struct stat dirstats; + char appledouble[] = APPLEDOUBLE; + + /* find directory containing fname */ + for (i = 0; (fname[i] != 0) && (i <= 254); i++) { + fdir[i] = fname[i]; + if (fdir[i] == '/') { + lastslash = i; + } + } + lastslash++; + fdir[lastslash] = 0; + lstat(fdir, &dirstats); + + /* append .AppleDouble */ + for (i = 0; (appledouble[i] != 0) && (lastslash <= 254); i++) { + fdir[lastslash] = appledouble[i]; + lastslash++; + } + fdir[lastslash] = 0; + + /* create this directory */ + /* silently ignore EEXIST error */ + if ((mkdir(fdir, dirstats.st_mode) < 0) && (errno != EEXIST)) { + return errno; + } + + /* set ownership of this dir to the same as its parent */ + /* holy race condition, batman! */ + /* warning: this doesn't check for errors */ + chown(fdir, dirstats.st_uid, dirstats.st_gid); + + printf("%s\n", fdir); + + return 1; +} + +/********************** + ntalk_unlink: unlink a file and its resource fork +**********************/ +int ntalk_unlink(const char *fname) +{ + char buf[255]; + + ntalk_resourcepath(fname, buf, 255); + unlink(buf); + return unlink(fname); +} + +/********************** + ntalk_chown: chown a file and its resource fork +**********************/ +int ntalk_chown(const char *fname, const uid_t uid, const gid_t gid) +{ + char buf[255]; + + ntalk_resourcepath(fname, buf, 255); + chown(buf, uid, gid); + return chown(fname, uid, gid); +} + +/********************** + ntalk_chmod: chmod a file and its resource fork +**********************/ +int ntalk_chmod(const char *fname, mode_t perms) +{ + char buf[255]; + + ntalk_resourcepath(fname, buf, 255); + chmod(buf, perms); + return chmod(fname, perms); +} + + +#endif /* WITH_NETATALK */ |