#include <atalk/logger.h>
#include <atalk/bstrlib.h>
#include <atalk/bstradd.h>
+#include <atalk/errchk.h>
#include "ad_lock.h"
#define EID_DISK(a) (set_eid[a])
-int fsetrsrcea(struct adouble *ad, int fd, const char *eaname, const void *value, size_t size, int flags)
-{
- if ((ad->ad_maxeafssize == 0) || (ad->ad_maxeafssize >= size)) {
- LOG(log_debug, logtype_default, "fsetrsrcea(\"%s\"): size: %zu", eaname, size);
- if (sys_fsetxattr(fd, eaname, value, size, 0) == -1)
- return -1;
- return 0;
- }
-
- /* rsrcfork is larger then maximum EA support by fs so we have to split it */
- int i;
- int eas = (size / ad->ad_maxeafssize);
- size_t remain = size - (eas * ad->ad_maxeafssize);
- bstring eachunk;
-
- LOG(log_debug, logtype_default, "fsetrsrcea(\"%s\"): size: %zu, maxea: %zu, eas: %d, remain: %zu",
- eaname, size, ad->ad_maxeafssize, eas, remain);
-
- for (i = 0; i < eas; i++) {
- if ((eachunk = bformat("%s.%d", eaname, i + 1)) == NULL)
- return -1;
- if (sys_fsetxattr(fd, bdata(eachunk), value + (i * ad->ad_maxeafssize), ad->ad_maxeafssize, 0) == -1) {
- LOG(log_error, logtype_default, "fsetrsrcea(\"%s\"): %s", bdata(eachunk), strerror(errno));
- bdestroy(eachunk);
- return -1;
- }
- bdestroy(eachunk);
- }
-
- if ((eachunk = bformat("%s.%d", eaname, i + 1)) == NULL)
- return -1;
- if (sys_fsetxattr(fd, bdata(eachunk), value + (i * ad->ad_maxeafssize), remain, 0) == -1) {
- LOG(log_error, logtype_default, "fsetrsrcea(\"%s\"): %s", bdata(eachunk), strerror(errno));
- return -1;
- }
- bdestroy(eachunk);
-
- return 0;
-}
-
/*
- * Rebuild any header information that might have changed.
+ * 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)
{
uint32_t eid;
uint32_t temp;
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;
+}
+
/* -------------------
* XXX copy only header with same size or comment
* doesn't work well for adouble with different version.
return 0;
}
-int ad_flush(struct adouble *ad)
+static int ad_flush_hf(struct adouble *ad)
{
int len;
- LOG(log_debug, logtype_default, "ad_flush(%s)", adflags2logstr(ad->ad_adflags));
+ LOG(log_debug, logtype_default, "ad_flush_hf(%s)", adflags2logstr(ad->ad_adflags));
struct ad_fd *adf;
return -1;
}
}
-#ifndef HAVE_EAFD
- if (AD_RSRC_OPEN(ad) && (ad->ad_rlen > 0)) {
- if (fsetrsrcea(ad, ad_data_fileno(ad), AD_EA_RESO, ad->ad_resforkbuf, ad->ad_rlen, 0) == -1)
- return -1;
- }
-#endif
break;
default:
LOG(log_error, logtype_afpd, "ad_flush: unexpected adouble version");
return( 0 );
}
+/* Flush resofork adouble file if any (currently adouble:ea and #ifndef HAVE_EAFD eg Linux) */
+static int ad_flush_rf(struct adouble *ad)
+{
+ ssize_t len;
+ char adbuf[AD_DATASZ_OSX];
+
+#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_rebuild_adouble_header_osx(ad, &adbuf[0]);
+
+ if (adf_pwrite(ad->ad_rfp, adbuf, len, 0) != len) {
+ if (errno == 0)
+ errno = EIO;
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int ad_flush(struct adouble *ad)
+{
+ EC_INIT;
+
+ LOG(log_debug, logtype_default, "ad_flush(%s)", adflags2logstr(ad->ad_adflags));
+
+ if (AD_META_OPEN(ad)) {
+ EC_ZERO( ad_flush_hf(ad) );
+ }
+
+ if (AD_RSRC_OPEN(ad)) {
+ EC_ZERO( ad_flush_rf(ad) );
+ }
+
+EC_CLEANUP:
+ EC_EXIT;
+}
+
static int ad_data_closefd(struct adouble *ad)
{
int ret = 0;
LOG(log_debug, logtype_default, "ad_close(%s)", adflags2logstr(adflags));
+ /* cf ad_open(): we opened the datafork too for sharemode locks */
+ if ((ad->ad_vers == AD_VERSION_EA) && (ad->ad_adflags & ADFLAGS_SETSHRMD))
+ adflags |= ADFLAGS_DF;
+
if ((adflags & ADFLAGS_DF)
&& (ad_data_fileno(ad) >= 0 || ad_data_fileno(ad) == -2) /* -2 means symlink */
&& --ad->ad_data_fork.adf_refcount == 0) {
adf_lock_free(&ad->ad_data_fork);
}
- if ((adflags & ADFLAGS_HF)) {
- switch (ad->ad_vers) {
- case AD_VERSION2:
- if ((ad_meta_fileno(ad) != -1) && !(--ad->ad_mdp->adf_refcount)) {
- if (close( ad_meta_fileno(ad) ) < 0)
- err = -1;
- ad_meta_fileno(ad) = -1;
- adf_lock_free(ad->ad_mdp);
- }
- break;
-
- case AD_VERSION_EA:
- if ((ad_data_fileno(ad) >= 0 || ad_data_fileno(ad) == -2) /* -2 means symlink */
- && !(--ad->ad_data_fork.adf_refcount)) {
- if (ad_data_closefd(ad) < 0)
- err = -1;
- adf_lock_free(&ad->ad_data_fork);
- }
- break;
-
- default:
- LOG(log_error, logtype_default, "ad_close: unknown AD version");
- errno = EIO;
- return -1;
- }
+ 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)) {
- switch (ad->ad_vers) {
- case AD_VERSION2:
- /* Do nothing as ADFLAGS_RF == ADFLAGS_HF */
- break;
-
- case AD_VERSION_EA:
-#ifndef HAVE_EAFD
- LOG(log_debug, logtype_default, "ad_close: ad->ad_rlen: %zu", ad->ad_rlen);
- if (ad->ad_rlen > 0)
- if (fsetrsrcea(ad, ad_data_fileno(ad), AD_EA_RESO, ad->ad_resforkbuf, ad->ad_rlen, 0) == -1)
- err = -1;
-#endif
- if ((ad_data_fileno(ad) >= 0 || ad_data_fileno(ad) == -2) /* -2 means symlink */
- && !(--ad->ad_data_fork.adf_refcount)) {
- if (ad_data_closefd(ad) < 0)
- err = -1;
- adf_lock_free(&ad->ad_data_fork);
- if (ad->ad_resforkbuf)
- free(ad->ad_resforkbuf);
- ad->ad_resforkbuf = NULL;
- ad->ad_rlen = 0;
- }
- break;
-
- default:
- LOG(log_error, logtype_default, "ad_close: unknown AD version");
- errno = EIO;
- return -1;
+ 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;
}
}
#include "ad_lock.h"
-#ifndef MAX
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#endif /* ! MAX */
-
#define ADEDOFF_MAGIC (0)
#define ADEDOFF_VERSION (ADEDOFF_MAGIC + ADEDLEN_MAGIC)
#define ADEDOFF_FILLER (ADEDOFF_VERSION + ADEDLEN_VERSION)
/* Forward declarations */
static int ad_mkrf(const char *path);
-static int ad_header_read(struct adouble *ad, struct stat *hst);
+static int ad_header_read(const char *path, struct adouble *ad, struct stat *hst);
static int ad_header_upgrade(struct adouble *ad, const char *name);
static int ad_mkrf_ea(const char *path);
-static int ad_header_read_ea(struct adouble *ad, struct stat *hst);
+static int ad_header_read_ea(const char *path, struct adouble *ad, struct stat *hst);
static int ad_header_upgrade_ea(struct adouble *ad, const char *name);
+
+static const char *ad_path_osx(const char *path, int adflags);
+static int ad_mkrf_osx(const char *path);
+
+
static struct adouble_fops ad_adouble = {
&ad_path,
&ad_mkrf,
};
static struct adouble_fops ad_adouble_ea = {
+#ifdef HAVE_EAFD
&ad_path_ea,
&ad_mkrf_ea,
+#else
+ &ad_path_osx,
+ &ad_mkrf_osx,
+#endif
&ad_rebuild_adouble_header,
&ad_header_read_ea,
&ad_header_upgrade_ea,
};
+static struct adouble_fops ad_osx = {
+ &ad_path_osx,
+ &ad_mkrf_osx,
+ &ad_rebuild_adouble_header,
+ &ad_header_read,
+ &ad_header_upgrade,
+};
+
static const struct entry entry_order2[ADEID_NUM_V2 + 1] = {
{ADEID_NAME, ADEDOFF_NAME_V2, ADEDLEN_INIT},
{ADEID_COMMENT, ADEDOFF_COMMENT_V2, ADEDLEN_INIT},
{ADEID_COMMENT, ADEDOFF_COMMENT_EA, ADEDLEN_INIT},
{ADEID_FILEDATESI, ADEDOFF_FILEDATESI_EA, ADEDLEN_FILEDATESI},
{ADEID_AFPFILEI, ADEDOFF_AFPFILEI_EA, ADEDLEN_AFPFILEI},
+ {ADEID_PRIVID, ADEDOFF_PRIVID, ADEDLEN_INIT},
+ {0, 0, 0}
+};
+
+/* fallback for EAs */
+static const struct entry entry_order_osx[ADEID_NUM_OSX +1] = {
+ {ADEID_FINDERI, ADEDOFF_FINDERI_OSX, ADEDLEN_FINDERI},
+ {ADEID_RFORK, ADEDOFF_RFORK_OSX, ADEDLEN_INIT},
{0, 0, 0}
};
}
/* ----------------------------------- */
-static int new_ad_header(const char *path, struct adouble *ad, int adflags)
+static int new_ad_header(struct adouble *ad, const char *path, struct stat *stp, int adflags)
{
const struct entry *eid;
uint16_t ashort;
struct stat st;
+ LOG(log_debug, logtype_default, "new_ad_header(\"%s\")", path);
+
+ if (stp == NULL) {
+ stp = &st;
+ if (lstat(path, &st) != 0)
+ return -1;
+ }
+
ad->ad_magic = AD_MAGIC;
ad->ad_version = ad->ad_vers & 0x0f0000;
if (!ad->ad_version) {
eid = entry_order2;
else if (ad->ad_vers == AD_VERSION_EA)
eid = entry_order_ea;
+ else if (ad->ad_vers == AD_VERSION2_OSX)
+ eid = entry_order_osx;
else {
return -1;
}
}
/* put something sane in the directory finderinfo */
- if ((adflags & ADFLAGS_DIR)) {
- /* set default view */
- ashort = htons(FINDERINFO_CLOSEDVIEW);
- memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
- } else {
- /* set default creator/type fields */
- memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRTYPEOFF,"\0\0\0\0", 4);
- memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRCREATOFF,"\0\0\0\0", 4);
- }
-
- /* make things invisible */
- if ((ad->ad_options & ADVOL_INVDOTS) && (*path == '.')) {
- ashort = htons(ATTRBIT_INVISIBLE);
- ad_setattr(ad, ashort);
- ashort = htons(FINDERINFO_INVISIBLE);
- memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
- }
+ if (ad->ad_vers != AD_VERSION2_OSX) {
+ if ((adflags & ADFLAGS_DIR)) {
+ /* set default view */
+ ashort = htons(FINDERINFO_CLOSEDVIEW);
+ memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRVIEWOFF, &ashort, sizeof(ashort));
+ } else {
+ /* set default creator/type fields */
+ memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRTYPEOFF,"\0\0\0\0", 4);
+ memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRCREATOFF,"\0\0\0\0", 4);
+ }
- if (lstat(path, &st) < 0)
- return -1;
+ /* make things invisible */
+ if ((ad->ad_options & ADVOL_INVDOTS) && (*path == '.')) {
+ ashort = htons(ATTRBIT_INVISIBLE);
+ ad_setattr(ad, ashort);
+ ashort = htons(FINDERINFO_INVISIBLE);
+ memcpy(ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
+ }
- /* put something sane in the date fields */
- ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, st.st_mtime);
- ad_setdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, st.st_mtime);
- ad_setdate(ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime);
- ad_setdate(ad, AD_DATE_BACKUP, AD_DATE_START);
+ /* put something sane in the date fields */
+ ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, stp->st_mtime);
+ ad_setdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, stp->st_mtime);
+ ad_setdate(ad, AD_DATE_ACCESS | AD_DATE_UNIX, stp->st_mtime);
+ ad_setdate(ad, AD_DATE_BACKUP, AD_DATE_START);
+ }
return 0;
}
len = ntohl( len );
buf += sizeof( len );
- if (eid && eid < ADEID_MAX && off < sizeof(ad->ad_data) &&
- (off + len <= sizeof(ad->ad_data) || eid == ADEID_RFORK)) {
+ if (eid
+ && eid < ADEID_MAX
+ && off < sizeof(ad->ad_data)
+ && (off + len <= sizeof(ad->ad_data) || eid == ADEID_RFORK)) {
ad->ad_eid[ eid ].ade_off = off;
ad->ad_eid[ eid ].ade_len = len;
} else if (!warning) {
* NOTE: we're assuming that the resource fork is kept at the end of
* the file. also, mmapping won't work for the hfs fs until it
* understands how to mmap header files. */
-static int ad_header_read(struct adouble *ad, struct stat *hst)
+static int ad_header_read(const char *path _U_, struct adouble *ad, struct stat *hst)
{
char *buf = ad->ad_data;
uint16_t nentries;
struct stat st;
/* read the header */
- if ((header_len = adf_pread( ad->ad_mdp, buf, sizeof(ad->ad_data), 0)) < 0) {
+ if ((header_len = adf_pread( ad->ad_mdp, buf, AD_DATASZ, 0)) < 0) {
return -1;
}
if (header_len < AD_HEADER_LEN) {
return 0;
}
-static int ad_header_read_ea(struct adouble *ad, struct stat *hst _U_)
+/* Read an ._ file, only uses the resofork, finderinfo is taken from EA */
+static int ad_header_read_osx(const char *path _U_, struct adouble *ad, struct stat *hst)
+{
+ EC_INIT;
+ struct adouble adosx;
+ char *buf = &adosx.ad_data[0];
+ uint16_t nentries;
+ int len;
+ ssize_t header_len;
+ struct stat st;
+
+ memset(buf, 0, sizeof(adosx.ad_data));
+
+ /* read the header */
+ EC_NEG1( header_len = adf_pread(ad->ad_rfp, buf, AD_DATASZ_OSX, 0) );
+
+ if (header_len < AD_HEADER_LEN) {
+ errno = EIO;
+ return -1;
+ }
+
+ memcpy(&adosx.ad_magic, buf, sizeof(adosx.ad_magic));
+ memcpy(&adosx.ad_version, buf + ADEDOFF_VERSION, sizeof(adosx.ad_version));
+ adosx.ad_magic = ntohl(adosx.ad_magic);
+ adosx.ad_version = ntohl(adosx.ad_version);
+
+ if ((adosx.ad_magic != AD_MAGIC) || (adosx.ad_version != AD_VERSION2)) {
+ LOG(log_error, logtype_afpd, "ad_header_read_osx: can't parse AppleDouble header");
+ errno = EIO;
+ return -1;
+ }
+
+ memcpy(&nentries, buf + ADEDOFF_NENTRIES, sizeof( nentries ));
+ nentries = ntohs(nentries);
+ len = nentries * AD_ENTRY_LEN;
+
+ if (len + AD_HEADER_LEN > sizeof(adosx.ad_data))
+ len = sizeof(adosx.ad_data) - AD_HEADER_LEN;
+
+ buf += AD_HEADER_LEN;
+ if (len > header_len - AD_HEADER_LEN) {
+ LOG(log_error, logtype_afpd, "ad_header_read_osx: can't read entry info.");
+ errno = EIO;
+ return -1;
+ }
+
+ nentries = len / AD_ENTRY_LEN;
+ parse_entries(&adosx, buf, nentries);
+
+ if (ad_getentryoff(&adosx, ADEID_RFORK) == 0
+ || ad_getentryoff(&adosx, ADEID_RFORK) > sizeof(ad->ad_data)
+ || ad_getentryoff(&adosx, ADEID_RFORK) > header_len
+ ) {
+ LOG(log_error, logtype_afpd, "ad_header_read_osx: problem with rfork entry offset.");
+ errno = EIO;
+ return -1;
+ }
+
+ if (hst == NULL) {
+ hst = &st;
+ EC_NEG1( fstat(ad_reso_fileno(ad), &st) );
+ }
+
+ ad_setentryoff(ad, ADEID_RFORK, ad_getentryoff(&adosx, ADEID_RFORK));
+ ad->ad_rlen = hst->st_size - ad_getentryoff(ad, ADEID_RFORK);
+
+EC_CLEANUP:
+ EC_EXIT;
+}
+
+static int ad_header_read_ea(const char *path, struct adouble *ad, struct stat *hst _U_)
{
uint16_t nentries;
int len;
char *buf = ad->ad_data;
/* read the header */
- if ((header_len = sys_fgetxattr(ad_data_fileno(ad), AD_EA_META, ad->ad_data, AD_DATASZ_EA)) < 1) {
- LOG(log_debug, logtype_default, "ad_header_read_ea: %s (%u)", strerror(errno), errno);
+ if (ad_meta_fileno(ad) == -1 && ad->ad_adflags && ADFLAGS_RDWR) {
+ LOG(log_error, logtype_default, "ad_header_read_ea: need filedescriptor for rw access");
+ return -1;
+ }
+
+ if (ad_meta_fileno(ad) != -1)
+ header_len = sys_fgetxattr(ad_meta_fileno(ad), AD_EA_META, ad->ad_data, AD_DATASZ_EA);
+ else
+ header_len = sys_lgetxattr(path, AD_EA_META, ad->ad_data, AD_DATASZ_EA);
+ if (header_len < 1) {
+ LOG(log_debug, logtype_default, "ad_header_read_ea: %s", strerror(errno));
return -1;
}
return 0;
}
-static int ad_read_rf_ea(struct adouble *ad)
-{
- EC_INIT;
- ssize_t rlen;
-
- if ((rlen = sys_fgetxattr(ad_data_fileno(ad), AD_EA_RESO, NULL, 0)) <= 0) {
- switch (errno) {
- case ENOATTR:
- case ENOENT:
- return 0;
- default:
- LOG(log_error, logtype_default, "ad_refresh_rsrc_len_ea: %s", strerror(errno));
- return -1;
- }
- }
-
- if (ad->ad_resforkbuf == NULL) {
- EC_NULL_LOG( ad->ad_resforkbuf = malloc(rlen) );
- } else {
- if (rlen > ad->ad_rlen) {
- EC_ZERO_LOG( ad->ad_resforkbuf = realloc(ad->ad_resforkbuf, rlen) );
- }
- }
- ad->ad_rlen = rlen;
-
- EC_NEG1_LOG( sys_fgetxattr(ad_data_fileno(ad), AD_EA_RESO, ad->ad_resforkbuf, ad->ad_rlen) );
-
-EC_CLEANUP:
- EC_EXIT;
-}
-
+/*!
+ * Takes a path to an AppleDouble file and creates the parrent .AppleDouble directory
+ *
+ * Example:
+ * path: "/path/.AppleDouble/file"
+ * => mkdir("/path/.AppleDouble/") (in ad_mkdir())
+ */
static int ad_mkrf(const char *path)
{
char *slash;
return 0;
}
+static int ad_mkrf_osx(const char *path _U_)
+{
+ return 0;
+}
+
/* ----------------
if we are root change path user/ group
It can be a native function for BSD cf. FAQ.Q10
if (adflags & ADFLAGS_RDWR)
oflags |= O_RDWR;
- if ((adflags & ADFLAGS_RDONLY) && (adflags & ADFLAGS_SETSHRMD))
- oflags |= O_RDWR;
- else
- oflags |= O_RDONLY;
+ if (adflags & ADFLAGS_RDONLY) {
+ if (adflags & ADFLAGS_SETSHRMD)
+ oflags |= O_RDWR;
+ else
+ oflags |= O_RDONLY;
+ }
if (adflags & ADFLAGS_CREATE)
oflags |= O_CREAT;
if (adflags & ADFLAGS_EXCL)
return -1;
}
/* it's not new anymore */
- ad->ad_mdp->adf_flags &= ~( O_TRUNC | O_CREAT );
+ ad->ad_data_fork.adf_flags &= ~( O_TRUNC | O_CREAT );
ad->ad_data_fork.adf_refcount++;
return 0;
}
return 0;
}
+/* TODO: error handling */
static int ad_open_hf_v2(const char *path, int adflags, mode_t mode, struct adouble *ad)
{
struct stat st_dir;
errno = EACCES;
return -1;
}
- ad_refresh(ad);
+ ad_refresh(path, ad);
/* it's not new anymore */
ad->ad_mdp->adf_flags &= ~( O_TRUNC | O_CREAT );
ad->ad_mdp->adf_refcount++;
return ad_error(ad, adflags);
/*
* We're expecting to create a new adouble header file here
- * if ((oflags & O_CREAT) ==> (oflags & O_RDWR)
*/
LOG(log_debug, logtype_default, "ad_open(\"%s\"): creating adouble file",
fullpathname(path));
if ((ad->ad_options & ADVOL_UNIXPRIV))
admode = mode;
admode = ad_hf_mode(admode);
- if (errno == ENOENT) {
+ if ((errno == ENOENT) && (ad->ad_vers != AD_VERSION2_OSX)) {
if (ad->ad_ops->ad_mkrf( ad_p) < 0) {
return ad_error(ad, adflags);
}
}
}
- ad->ad_mdp->adf_refcount = 1;
adf_lock_init(ad->ad_mdp);
+ ad->ad_mdp->adf_refcount = 1;
if ((ad->ad_mdp->adf_flags & ( O_TRUNC | O_CREAT ))) {
/* This is a new adouble header file, create it */
- if (new_ad_header(path, ad, adflags) < 0) {
+ if (new_ad_header(ad, path, pst, adflags) < 0) {
int err = errno;
/* the file is already deleted, perm, whatever, so return an error */
ad_close(ad, adflags);
ad_flush(ad);
} else {
/* Read the adouble header in and parse it.*/
- if (ad->ad_ops->ad_header_read( ad , pst) < 0
+ if (ad->ad_ops->ad_header_read(path, ad, pst) < 0
|| ad->ad_ops->ad_header_upgrade(ad, ad_p) < 0) {
int err = errno;
ad_close(ad, adflags);
return 0;
}
+/* TODO: error handling */
static int ad_open_hf_ea(const char *path, int adflags, int mode, struct adouble *ad)
{
ssize_t rforklen;
- int oflags = O_NOFOLLOW;
+ int oflags;
LOG(log_debug, logtype_default, "ad_open_hf_ea(\"%s\", %04o)", path, mode);
- oflags |= ad2openflags(adflags) & ~(O_CREAT | O_TRUNC);
+ oflags = O_NOFOLLOW | (ad2openflags(adflags) & ~(O_CREAT | O_TRUNC));
- if (ad_data_fileno(ad) != -1) {
+ if (ad_meta_fileno(ad) != -1) {
/* the file is already open, but we want write access: */
if ((adflags & ADFLAGS_RDWR) &&
/* and it was already denied: */
- (ad->ad_data_fork.adf_flags & O_RDONLY)) {
+ (ad->ad_mdp->adf_flags & O_RDONLY)) {
LOG(log_error, logtype_default, "ad_open_hf_ea(%s): rw request for ro file: %s",
fullpathname(path), strerror(errno));
errno = EACCES;
return -1;
}
-
/* it's not new anymore */
ad->ad_mdp->adf_flags &= ~( O_TRUNC | O_CREAT );
+ ad->ad_mdp->adf_refcount++;
} else {
- if ((ad_data_fileno(ad) = open(path, oflags)) == -1)
- goto error;
- ad->ad_data_fork.adf_flags = oflags;
- adf_lock_init(&ad->ad_data_fork);
+ if (adflags & ADFLAGS_RDWR) {
+ /* Fo a RDONLY adouble we just use sys_lgetxattr instead if sys_fgetxattr */
+ LOG(log_debug, logtype_default, "ad_open_hf_ea(\"%s\"): opening for base file for meta adouble EA", path);
+ if ((ad_meta_fileno(ad) = open(path, oflags)) == -1)
+ goto error;
+ ad->ad_mdp->adf_flags = oflags;
+ }
+ ad->ad_mdp->adf_refcount = 1;
}
/* Read the adouble header in and parse it.*/
- if (ad->ad_ops->ad_header_read(ad, NULL) != 0) {
+ if (ad->ad_ops->ad_header_read(path, ad, NULL) != 0) {
+ LOG(log_error, logtype_default, "ad_open_hf_ea: no EA adouble");
+
if (!(adflags & ADFLAGS_CREATE))
goto error;
+ LOG(log_debug, logtype_default, "ad_open_hf_ea(\"%s\"): creating metadata EA", path);
+
/* It doesnt exist, EPERM or another error */
if (!(errno == ENOATTR || errno == ENOENT)) {
LOG(log_error, logtype_default, "ad_open_hf_ea: unexpected: %s", strerror(errno));
}
/* Create one */
- if (new_ad_header(path, ad, adflags) < 0) {
+ if (new_ad_header(ad, path, NULL, adflags) < 0) {
LOG(log_error, logtype_default, "ad_open_hf_ea: can't create new header: %s",
fullpathname(path));
goto error;
LOG(log_debug, logtype_default, "ad_open_hf_ea(\"%s\"): created metadata EA", path);
}
- ad->ad_data_fork.adf_refcount++;
-
- if ((rforklen = sys_fgetxattr(ad_data_fileno(ad), AD_EA_RESO, NULL, 0)) > 0)
- ad->ad_rlen = rforklen;
+ /* TODO: ad_rlen calculation */
+ ad->ad_rlen = 0;
return 0;
error:
- if (ad_data_fileno(ad) != -1) {
- close(ad_data_fileno(ad));
- ad_data_fileno(ad) = -1;
+ if (ad_meta_fileno(ad) != -1) {
+ close(ad_meta_fileno(ad));
+ ad_meta_fileno(ad) = -1;
+ ad->ad_mdp->adf_refcount = 0;
}
return ad_error(ad, adflags);
}
break;
}
+ if (ret != 0) {
+ return ad_error(ad, adflags);
+ }
return ret;
}
{
EC_INIT;
int oflags;
+ int closeflags = adflags & (ADFLAGS_DF | ADFLAGS_HF);
ssize_t rlen;
+#ifndef HAVE_EAFD
+ const char *rfpath;
+ struct stat st;
+#endif
if (ad->ad_vers != AD_VERSION_EA)
return 0;
LOG(log_debug, logtype_default, "ad_open_rf(\"%s\", %04o)", path, mode);
- oflags |= ad2openflags(adflags) & ~(O_CREAT | O_TRUNC);
+ oflags = O_NOFOLLOW | (ad2openflags(adflags) & ~O_CREAT);
- if (ad_data_fileno(ad) != -1) {
+ if (ad_reso_fileno(ad) != -1) {
/* the file is already open, but we want write access: */
- if ((adflags & ADFLAGS_RDWR) &&
+ if ((adflags & ADFLAGS_RDWR)
/* and it was already denied: */
- (ad->ad_data_fork.adf_flags & O_RDONLY)) {
- LOG(log_error, logtype_default, "ad_open_rf(%s): rw request for ro file: %s",
- fullpathname(path), strerror(errno));
+ && (ad->ad_rfp->adf_flags & O_RDONLY)) {
errno = EACCES;
return -1;
}
- } else {
- EC_NEG1( (ad_data_fileno(ad) = open(path, oflags)) );
- ad->ad_data_fork.adf_flags = oflags;
- adf_lock_init(&ad->ad_data_fork);
-#ifndef HAVE_EAFD
- EC_ZERO_LOG( ad_read_rf_ea(ad) );
-#endif
+ ad->ad_rfp->adf_flags &= ~( O_TRUNC | O_CREAT );
+ ad->ad_rfp->adf_refcount++;
+ return 0;
+ }
+#ifdef HAVE_EAFD
+ if ((ad_reso_fileno(ad) = sys_getxattrfd(path, oflags)) == -1) {
+ if (!(adflags & ADFLAGS_CREATE))
+ EC_FAIL;
+ oflags |= O_CREAT;
+ EC_NEG1_LOG( ad_reso_fileno(ad) = sys_getxattrfd(path, oflags, 0666) );
+ }
+#else
+ EC_NULL_LOG( rfpath = ad->ad_ops->ad_path(path, adflags) );
+ if ((ad_reso_fileno(ad) = open(rfpath, oflags)) == -1) {
+ if (!(adflags & ADFLAGS_CREATE))
+ EC_FAIL;
+ oflags |= O_CREAT;
+ EC_NEG1_LOG( ad_reso_fileno(ad) = open(rfpath, oflags, mode) );
+ LOG(log_debug, logtype_default, "ad_open_rf(\"%s\"): created adouble rfork: \"%s\"",
+ path, rfpath);
}
+#endif
- ad->ad_data_fork.adf_refcount++;
+ ad->ad_rfp->adf_refcount = 1;
+ ad->ad_rfp->adf_flags = oflags;
+
+#ifndef HAVE_EAFD
+ EC_ZERO_LOG( fstat(ad_reso_fileno(ad), &st) );
+ if (ad->ad_rfp->adf_flags & O_CREAT) {
+ /* This is a new adouble header file, create it */
+ LOG(log_debug, logtype_default, "ad_open_rf(\"%s\"): created adouble rfork, initializing: \"%s\"",
+ path, rfpath);
+// EC_NEG1_LOG( new_ad_header(ad, rfpath, &st, adflags) );
+ LOG(log_debug, logtype_default, "ad_open_rf(\"%s\"): created adouble rfork, flushing: \"%s\"",
+ path, rfpath);
+ ad_flush(ad);
+ } else {
+ /* Read the adouble header */
+ LOG(log_debug, logtype_default, "ad_open_rf(\"%s\"): reading adouble rfork: \"%s\"",
+ path, rfpath);
+ EC_NEG1_LOG( ad_header_read_osx(NULL, ad, &st) );
+ }
+#endif
EC_CLEANUP:
if (ret != 0) {
+ if (ad_reso_fileno(ad) != -1) {
+ close(ad_reso_fileno(ad));
+ ad_reso_fileno(ad) = -1;
+ ad->ad_rfp->adf_refcount = 0;
+ }
+ int err = errno;
+ (void)ad_close(ad, closeflags);
+ errno = err;
ad->ad_rlen = 0;
- ad->ad_adflags &= ~ADFLAGS_RF;
}
+
+ LOG(log_debug, logtype_default, "ad_open_rf(\"%s\"): END", path);
+
EC_EXIT;
}
return path;
}
+const char *ad_path_osx(const char *path, int adflags _U_)
+{
+ static char pathbuf[ MAXPATHLEN + 1];
+ char c, *slash, buf[MAXPATHLEN + 1];
+
+ if (!strcmp(path,".")) {
+ /* fixme */
+ getcwd(buf, MAXPATHLEN);
+ }
+ else {
+ strlcpy(buf, path, MAXPATHLEN +1);
+ }
+ if (NULL != ( slash = strrchr( buf, '/' )) ) {
+ c = *++slash;
+ *slash = '\0';
+ strlcpy( pathbuf, buf, MAXPATHLEN +1);
+ *slash = c;
+ } else {
+ pathbuf[ 0 ] = '\0';
+ slash = buf;
+ }
+ strlcat( pathbuf, "._", MAXPATHLEN +1);
+ strlcat( pathbuf, slash, MAXPATHLEN +1);
+ return pathbuf;
+}
+
/*
* Put the .AppleDouble where it needs to be:
*
case AD_VERSION_EA:
ad->ad_ops = &ad_adouble_ea;
ad->ad_rfp = &ad->ad_resource_fork;
- ad->ad_mdp = &ad->ad_resource_fork;
+ ad->ad_mdp = &ad->ad_data_fork;
break;
default:
AFP_PANIC("ad_init: unknown AD version");
}
+
ad_data_fileno(ad) = -1;
ad_reso_fileno(ad) = -1;
ad_meta_fileno(ad) = -1;
- memset(ad->ad_eid, 0, sizeof( ad->ad_eid ));
- ad->ad_rlen = 0;
ad->ad_refcount = 1;
- ad->ad_open_forks = 0;
- ad->ad_resource_fork.adf_refcount = 0;
- ad->ad_resforkbuf = NULL;
- ad->ad_data_fork.adf_refcount = 0;
- ad->ad_data_fork.adf_syml = 0;
- ad->ad_inited = 0;
-// ad->ad_maxeafssize = 3500; /* FIXME: option from vol */
- ad->ad_maxeafssize = 0; /* no limit */
return;
}
void ad_init_old(struct adouble *ad, int flags, int options)
{
+ memset(ad, 0, sizeof(struct adouble));
ad->ad_vers = flags;
ad->ad_options = options;
ad_init_func(ad);
void ad_init(struct adouble *ad, const struct vol * restrict vol)
{
+ memset(ad, 0, sizeof(struct adouble));
ad->ad_vers = vol->v_adouble;
ad->ad_options = vol->v_ad_options;
ad_init_func(ad);
*
* @param ad (rw) pointer to struct adouble
* @param path (r) Path to file or directory
- * @param adflags (r) ADFLAGS_DF: open data fork \n
- * ADFLAGS_RF: open ressource fork \n
- * ADFLAGS_HF: open header (metadata) file \n
- * ADFLAGS_NOHF: it's not an error if header file couldn't be created \n
- * ADFLAGS_DIR: if path is a directory you MUST or ADFLAGS_DIR to adflags \n
+ * @param adflags (r) Flags specifying which fork to open, can be or'd:
+ * ADFLAGS_DF: open data fork
+ * ADFLAGS_RF: open ressource fork
+ * ADFLAGS_HF: open header (metadata) file
+ * ADFLAGS_NOHF: it's not an error if header file couldn't be created
+ * ADFLAGS_DIR: if path is a directory you MUST or ADFLAGS_DIR to adflags
+ *
+ * Access mode for the forks:
+ * ADFLAGS_RDONLY: open read only
+ * ADFLAGS_RDWR: open read write
+ *
+ * Creation flags:
+ * ADFLAGS_CREATE: create if not existing
+ * ADFLAGS_TRUNC: truncate
+ *
+ * Special flags:
+ * ADFLAGS_CHECK_OF: check for open forks from us and other afpd's
+ * ADFLAGS_SETSHRMD: this adouble struct will be used to set sharemode locks.
+ * This basically results in the files being opened RW instead of RDONLY.
+ * @param mode (r) mode used with O_CREATE
+ *
* The open mode flags (rw vs ro) have to take into account all the following requirements:
* - we remember open fds for files because me must avoid a single close releasing fcntl locks for other
* fds of the same file
- * - a file may be opened first ro, then rw and theres no way to upgrade this -> fork.c always opens rw
- * ADFLAGS_CHECK_OF: check for open forks from us and other afpd's
- * @param mode (r) mode used with O_CREATE
*
* @returns 0 on success, any other value indicates an error
*/
LOG(log_debug, logtype_default, "ad_open(\"%s\", %s)",
fullpathname(path), adflags2logstr(adflags));
+ if (adflags & ADFLAGS_CHECK_OF)
+ /* Checking for open forks requires sharemode lock support (ie RDWR instead of RDONLY) */
+ adflags |= ADFLAGS_SETSHRMD;
+
+ if ((ad->ad_vers == AD_VERSION_EA) && (adflags & ADFLAGS_SETSHRMD))
+ /* adouble:ea sets sharemode locks on the datafork */
+ adflags |= ADFLAGS_DF;
+
if (ad->ad_inited != AD_INITED) {
ad->ad_adflags = adflags;
ad->ad_inited = AD_INITED;
if (adflags & ADFLAGS_DF) {
EC_ZERO( ad_open_df(path, adflags, mode, ad) );
+ ad->ad_adflags |= ADFLAGS_DF;
}
if (adflags & ADFLAGS_HF) {
EC_ZERO( ad_open_hf(path, adflags, mode, ad) );
+ ad->ad_adflags |= ADFLAGS_HF;
}
if (adflags & ADFLAGS_RF) {
EC_ZERO( ad_open_rf(path, adflags, mode, ad) );
+ ad->ad_adflags |= ADFLAGS_RF;
+ }
+
+ if (adflags & ADFLAGS_CHECK_OF) {
+ ad->ad_open_forks |= ad_openforks(ad, ad->ad_open_forks);
}
EC_CLEANUP:
uid_t uid;
int ret, err, oflags;
- oflags = (flags & ADFLAGS_DIR) | ADFLAGS_HF | ADFLAGS_RDONLY;
+ /* Sanitize flags */
+ oflags = (flags & (ADFLAGS_CHECK_OF | ADFLAGS_DIR)) | ADFLAGS_HF | ADFLAGS_RDONLY;
- if ((ret = ad_open(adp, name, oflags | ADFLAGS_SETSHRMD)) < 0 && errno == EACCES) {
+ if ((ret = ad_open(adp, name, oflags)) < 0 && errno == EACCES) {
uid = geteuid();
if (seteuid(0)) {
LOG(log_error, logtype_default, "ad_metadata(%s): seteuid failed %s", name, strerror(errno));
errno = err;
}
- if ((ret == 0) && (ADFLAGS_CHECK_OF & flags)) {
- /*
- we need to check if the file is open by another process.
- it's slow so we only do it if we have to:
- - it's requested.
- - we don't already have the answer!
- */
- adp->ad_open_forks |= ad_openforks(adp, adp->ad_open_forks);
- }
return ret;
}
}
-int ad_refresh(struct adouble *ad)
+int ad_refresh(const char *path, struct adouble *ad)
{
switch (ad->ad_vers) {
case AD_VERSION2:
if (ad_meta_fileno(ad) == -1)
return -1;
- return ad->ad_ops->ad_header_read(ad, NULL);
+ return ad->ad_ops->ad_header_read(NULL, ad, NULL);
break;
case AD_VERSION_EA:
- if (ad_data_fileno(ad) == -1)
- return -1;
-#ifndef HAVE_EAFD
- if (ad_read_rf_ea(ad) != 0)
- return -1;
+#ifdef HAVE_EAFD
+ if (AD_META_OPEN(ad)) {
+ if (ad_data_fileno(ad) == -1)
+ return -1;
+ // TODO: read meta EA
+ }
+
+ if (AD_RSRC_OPEN(ad)) {
+ if (ad_reso_fileno(ad) == -1)
+ return -1;
+ ssize_t len;
+ if ((len = fstat(ad_reso_fileno(ad))) == -1)
+ return -1;
+ ad->ad_rlen = len;
+ }
+#else
+ if (AD_META_OPEN(ad)) {
+ if (ad_data_fileno(ad) == -1)
+ return -1;
+ // TODO: read meta EA
+ }
+ if (AD_RSRC_OPEN(ad)) {
+ if (ad_reso_fileno(ad) == -1)
+ return -1;
+ if (ad_header_read_osx(path, ad, NULL) < 0)
+ return -1;
+ }
#endif
- return ad->ad_ops->ad_header_read(ad, NULL);
+ return ad->ad_ops->ad_header_read(path, ad, NULL);
break;
default:
return -1;
projects / netatalk.git / commitdiff