/*
* Copyright (c) 1990,1991 Regents of The University of Michigan.
+ * Copyright (c) 2010 Frank Lahm
* All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software and
#endif /* HAVE_CONFIG_H */
#include <string.h>
-#include <atalk/adouble.h>
-
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
+#include <arpa/inet.h>
-#include "ad_private.h"
-#if AD_VERSION == AD_VERSION1
-
-#define EID_DISK(a) (a)
+#include <atalk/adouble.h>
+#include <atalk/ea.h>
+#include <atalk/logger.h>
+#include <atalk/bstrlib.h>
+#include <atalk/bstradd.h>
+#include <atalk/errchk.h>
+#include <atalk/util.h>
-#else
+#include "ad_lock.h"
-static const u_int32_t set_eid[] = {
+static const uint32_t set_eid[] = {
0,1,2,3,4,5,6,7,8,
9,10,11,12,13,14,15,
AD_DEV, AD_INO, AD_SYN, AD_ID
};
#define EID_DISK(a) (set_eid[a])
-#endif
-/* rebuild the adouble header
- * XXX should be in a separate file ?
+/*
+ * Prepare ad->ad_data buffer from struct adouble for writing on disk
*/
-int ad_rebuild_adouble_header(struct adouble *ad)
+int ad_rebuild_adouble_header(struct adouble *ad)
{
- u_int32_t eid;
- u_int32_t temp;
-
- u_int16_t nent;
+ uint32_t eid;
+ uint32_t temp;
+ uint16_t nent;
char *buf, *nentp;
+ int len;
+
+ LOG(log_debug, logtype_default, "ad_rebuild_adouble_header");
- /*
- * Rebuild any header information that might have changed.
- */
buf = ad->ad_data;
temp = htonl( ad->ad_magic );
memcpy(buf, &temp, sizeof( temp ));
buf += sizeof( temp );
- memcpy(buf, ad->ad_filler, sizeof( ad->ad_filler ));
buf += sizeof( ad->ad_filler );
nentp = buf;
}
nent = htons( nent );
memcpy(nentp, &nent, sizeof( nent ));
- return ad_getentryoff(ad, ADEID_RFORK);
+
+ switch (ad->ad_vers) {
+ case AD_VERSION2:
+ len = ad_getentryoff(ad, ADEID_RFORK);
+ break;
+ case AD_VERSION_EA:
+ len = AD_DATASZ_EA;
+ break;
+ default:
+ LOG(log_error, logtype_afpd, "Unexpected adouble version");
+ len = 0;
+ break;
+ }
+
+ return len;
+}
+
+/*!
+ * Prepare adbuf buffer from struct adouble for writing on disk
+ */
+static int ad_rebuild_adouble_header_osx(struct adouble *ad, char *adbuf)
+{
+ uint32_t temp;
+ uint16_t nent;
+ char *buf;
+ int len;
+
+ LOG(log_debug, logtype_default, "ad_rebuild_adouble_header_osx");
+
+ buf = &adbuf[0];
+
+ temp = htonl( ad->ad_magic );
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ temp = htonl( ad->ad_version );
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ buf += sizeof( ad->ad_filler );
+
+ nent = htons(ADEID_NUM_OSX);
+ memcpy(buf, &nent, sizeof( nent ));
+ buf += sizeof( nent );
+
+ /* FinderInfo */
+ temp = htonl(EID_DISK(ADEID_FINDERI));
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ temp = htonl(ADEDOFF_FINDERI_OSX);
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ temp = htonl(ADEDLEN_FINDERI);
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ memcpy(adbuf + ADEDOFF_FINDERI_OSX, ad_entry(ad, ADEID_FINDERI), ADEDLEN_FINDERI);
+
+ /* rfork */
+ temp = htonl( EID_DISK(ADEID_RFORK) );
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ temp = htonl(ADEDOFF_RFORK_OSX);
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ temp = htonl( ad->ad_rlen);
+ memcpy(buf, &temp, sizeof( temp ));
+ buf += sizeof( temp );
+
+ return AD_DATASZ_OSX;
}
/* -------------------
*/
int ad_copy_header(struct adouble *add, struct adouble *ads)
{
- u_int32_t eid;
- u_int32_t len;
+ uint32_t eid;
+ uint32_t len;
for ( eid = 0; eid < ADEID_MAX; eid++ ) {
if ( ads->ad_eid[ eid ].ade_off == 0 ) {
return 0;
}
-/* ------------------- */
-int ad_rebuild_sfm_header(struct adouble *ad)
+static int ad_flush_hf(struct adouble *ad)
{
- u_int32_t temp;
-
- u_int16_t attr;
- char *buf;
-
- /*
- * Rebuild any header information that might have changed.
- */
- buf = ad->ad_data;
- /* FIXME */
-/* temp = htonl( ad->ad_magic ); */
- temp = ad->ad_magic;
- memcpy(buf, &temp, sizeof( temp ));
-
-/* temp = htonl( ad->ad_version ); */
- temp = ad->ad_version;
- memcpy(buf +4, &temp, sizeof( temp ));
+ EC_INIT;
+ int len;
+ int cwd = -1;
+
+ LOG(log_debug, logtype_default, "ad_flush_hf(%s)", adflags2logstr(ad->ad_adflags));
+
+ struct ad_fd *adf;
+
+ switch (ad->ad_vers) {
+ case AD_VERSION2:
+ adf = ad->ad_mdp;
+ break;
+ case AD_VERSION_EA:
+ adf = &ad->ad_data_fork;
+ break;
+ default:
+ LOG(log_error, logtype_afpd, "ad_flush: unexpected adouble version");
+ return -1;
+ }
- /* need to save attrib */
- if (!ad_getattr(ad, &attr)) {
- attr &= ~htons(ATTRBIT_DOPEN | ATTRBIT_ROPEN);
+ if ((adf->adf_flags & O_RDWR)
+ || ((ad->ad_adflags & ADFLAGS_DIR) && (ad->ad_adflags & ADFLAGS_RDWR))) {
+ if (ad_getentryoff(ad, ADEID_RFORK)) {
+ if (ad->ad_rlen > 0xffffffff)
+ ad_setentrylen(ad, ADEID_RFORK, 0xffffffff);
+ else
+ ad_setentrylen(ad, ADEID_RFORK, ad->ad_rlen);
+ }
+ len = ad->ad_ops->ad_rebuild_header(ad);
- memcpy(buf +48 +4, &attr, sizeof(attr));
+ switch (ad->ad_vers) {
+ case AD_VERSION2:
+ if (adf_pwrite(ad->ad_mdp, ad->ad_data, len, 0) != len) {
+ if (errno == 0)
+ errno = EIO;
+ return( -1 );
+ }
+ break;
+ case AD_VERSION_EA:
+ if (AD_META_OPEN(ad)) {
+ if (ad->ad_adflags & ADFLAGS_DIR) {
+ EC_NEG1_LOG( cwd = open(".", O_RDONLY) );
+ EC_NEG1_LOG( fchdir(ad_data_fileno(ad)) );
+ EC_ZERO_LOG( sys_lsetxattr(".", AD_EA_META, ad->ad_data, AD_DATASZ_EA, 0) );
+ EC_NEG1_LOG( fchdir(cwd) );
+ EC_NEG1_LOG( close(cwd) );
+ cwd = -1;
+ } else {
+ EC_ZERO_LOG( sys_fsetxattr(ad_data_fileno(ad), AD_EA_META, ad->ad_data, AD_DATASZ_EA, 0) );
+ }
+ }
+ break;
+ default:
+ LOG(log_error, logtype_afpd, "ad_flush: unexpected adouble version");
+ return -1;
+ }
+ }
+EC_CLEANUP:
+ if (cwd != -1) {
+ if (fchdir(cwd) != 0) {
+ AFP_PANIC("ad_flush: cant fchdir");
+ }
+ close(cwd);
}
- return AD_SFM_LEN;
+ EC_EXIT;
}
-
-int ad_flush( struct adouble *ad)
+/* Flush resofork adouble file if any (currently adouble:ea and #ifndef HAVE_EAFD eg Linux) */
+static int ad_flush_rf(struct adouble *ad)
{
- int len;
+ ssize_t len;
+ char adbuf[AD_DATASZ_OSX];
- if (( ad->ad_md->adf_flags & O_RDWR )) {
- /* sync our header */
- if (ad->ad_rlen > 0xffffffff) {
- ad_setentrylen(ad, ADEID_RFORK, 0xffffffff);
- }
- else {
- ad_setentrylen(ad, ADEID_RFORK, ad->ad_rlen);
+#ifdef HAVE_EAFD
+ return 0;
+#endif
+ if (ad->ad_vers != AD_VERSION_EA)
+ return 0;
+
+ LOG(log_debug, logtype_default, "ad_flush_rf(%s)", adflags2logstr(ad->ad_adflags));
+
+ if ((ad->ad_rfp->adf_flags & O_RDWR)) {
+ if (ad_getentryoff(ad, ADEID_RFORK)) {
+ if (ad->ad_rlen > 0xffffffff)
+ ad_setentrylen(ad, ADEID_RFORK, 0xffffffff);
+ else
+ ad_setentrylen(ad, ADEID_RFORK, ad->ad_rlen);
}
- len = ad->ad_ops->ad_rebuild_header(ad);
+ len = ad_rebuild_adouble_header_osx(ad, &adbuf[0]);
- if (adf_pwrite(ad->ad_md, ad->ad_data, len, 0) != len) {
- if ( errno == 0 ) {
+ if (adf_pwrite(ad->ad_rfp, adbuf, len, 0) != len) {
+ if (errno == 0)
errno = EIO;
- }
- return( -1 );
+ return -1;
}
}
-
- return( 0 );
+ return 0;
}
-/* use refcounts so that we don't have to re-establish fcntl locks. */
-int ad_close( struct adouble *ad, int adflags)
+int ad_flush(struct adouble *ad)
{
- int err = 0;
+ EC_INIT;
- if ((adflags & ADFLAGS_DF)
- && (ad_data_fileno(ad) >= 0 || ad_data_fileno(ad) == -2) /* -2 means symlink */
- && --ad->ad_data_fork.adf_refcount == 0) {
- if (ad->ad_data_fork.adf_syml != NULL) {
- free(ad->ad_data_fork.adf_syml);
- ad->ad_data_fork.adf_syml = 0;
- } else {
- if ( close( ad_data_fileno(ad) ) < 0 )
- err = -1;
- }
- ad_data_fileno(ad) = -1;
- adf_lock_free(&ad->ad_data_fork);
+ LOG(log_debug, logtype_default, "ad_flush(%s)", adflags2logstr(ad->ad_adflags));
+
+ if (AD_META_OPEN(ad)) {
+ EC_ZERO( ad_flush_hf(ad) );
}
- if (!( adflags & ADFLAGS_HF )) {
- return err;
+ if (AD_RSRC_OPEN(ad)) {
+ EC_ZERO( ad_flush_rf(ad) );
}
- /* meta /resource fork */
+EC_CLEANUP:
+ EC_EXIT;
+}
- if ( ad_meta_fileno(ad) != -1 && !(--ad->ad_md->adf_refcount)) {
- if ( close( ad_meta_fileno(ad) ) < 0 ) {
- err = -1;
- }
- ad_meta_fileno(ad) = -1;
- adf_lock_free(ad->ad_md);
+static int ad_data_closefd(struct adouble *ad)
+{
+ int ret = 0;
+
+ if (ad_data_fileno(ad) == -2) {
+ free(ad->ad_data_fork.adf_syml);
+ ad->ad_data_fork.adf_syml = NULL;
+ } else {
+ if (close(ad_data_fileno(ad)) < 0)
+ ret = -1;
}
+ ad_data_fileno(ad) = -1;
+ return ret;
+}
- if (ad->ad_flags != AD_VERSION1_SFM) {
- return err;
- }
+/*!
+ * Close a struct adouble freeing all resources
+ */
+int ad_close(struct adouble *ad, int adflags)
+{
+ int err = 0;
- if ((adflags & ADFLAGS_DIR)) {
+ if (ad == NULL)
return err;
+
+ LOG(log_debug, logtype_default,
+ "ad_close(%s): BEGIN [dfd: %d (ref: %d), mfd: %d (ref: %d), rfd: %d (ref: %d)]",
+ adflags2logstr(adflags),
+ ad_data_fileno(ad), ad->ad_data_fork.adf_refcount,
+ ad_meta_fileno(ad), ad->ad_mdp->adf_refcount,
+ ad_reso_fileno(ad), ad->ad_rfp->adf_refcount);
+
+ if ((ad->ad_vers == AD_VERSION2) && (adflags & ADFLAGS_RF))
+ adflags |= ADFLAGS_HF;
+
+ if ((adflags & ADFLAGS_DF)
+ && (ad_data_fileno(ad) >= 0 || ad_data_fileno(ad) == -2) /* -2 means symlink */
+ && --ad->ad_data_fork.adf_refcount == 0) {
+ if (ad_data_closefd(ad) < 0)
+ err = -1;
+ adf_lock_free(&ad->ad_data_fork);
}
- if ( ad_reso_fileno(ad) != -1 && !(--ad->ad_resource_fork.adf_refcount)) {
- if ( close( ad_reso_fileno(ad) ) < 0 ) {
+ if ((adflags & ADFLAGS_HF)
+ && (ad_meta_fileno(ad) != -1) && !(--ad->ad_mdp->adf_refcount)) {
+ if (close( ad_meta_fileno(ad)) < 0)
err = -1;
+ ad_meta_fileno(ad) = -1;
+ if (ad->ad_vers == AD_VERSION2)
+ adf_lock_free(ad->ad_mdp);
+ }
+
+ if ((adflags & ADFLAGS_RF) && (ad->ad_vers == AD_VERSION_EA)) {
+ if ((ad_reso_fileno(ad) != -1)
+ && !(--ad->ad_rfp->adf_refcount)) {
+ if (close(ad->ad_rfp->adf_fd) < 0)
+ err = -1;
+ ad->ad_rlen = 0;
+ ad_reso_fileno(ad) = -1;
+ adf_lock_free(ad->ad_rfp);
}
- ad_reso_fileno(ad) = -1;
- adf_lock_free(&ad->ad_resource_fork);
}
+ LOG(log_debug, logtype_default,
+ "ad_close(%s): END: %d [dfd: %d (ref: %d), mfd: %d (ref: %d), rfd: %d (ref: %d)]",
+ adflags2logstr(adflags), err,
+ ad_data_fileno(ad), ad->ad_data_fork.adf_refcount,
+ ad_meta_fileno(ad), ad->ad_mdp->adf_refcount,
+ ad_reso_fileno(ad), ad->ad_rfp->adf_refcount);
+
return err;
}
projects / netatalk.git / blobdiff