#endif
static int ad_header_read_ea(const char *path, struct adouble *ad, const struct stat *hst);
static int ad_header_upgrade_ea(struct adouble *ad, const char *name);
-static int ad_reso_size(const char *path, int adflags, struct adouble *ad);
+off_t ad_reso_size(const char *path, int adflags, struct adouble *ad);
static int ad_mkrf_osx(const char *path);
adosx.ad_version = ntohl(adosx.ad_version);
if ((adosx.ad_magic != AD_MAGIC) || (adosx.ad_version != AD_VERSION2)) {
- LOG(log_warning, logtype_ad, "ad_valid_header_osx: not an adouble:osx file");
+ LOG(log_warning, logtype_ad, "ad_valid_header_osx(\"%s\"): not an adouble:osx file", fullpathname(path));
EC_FAIL;
}
}
if (header_len < AD_HEADER_LEN) {
- LOG(log_error, logtype_ad, "ad_header_read_ea: bogus AppleDouble header.");
+ LOG(log_error, logtype_ad, "ad_header_read_ea(\"%s\"): bogus AppleDouble header.", fullpathname(path));
errno = EIO;
return -1;
}
ad->ad_version = ntohl( ad->ad_version );
if ((ad->ad_magic != AD_MAGIC) || (ad->ad_version != AD_VERSION2)) {
- LOG(log_error, logtype_ad, "ad_header_read_ea: wrong magic or version");
+ LOG(log_error, logtype_ad, "ad_header_read_ea(\"%s\"): wrong magic or version", fullpathname(path));
errno = EIO;
return -1;
}
if (len + AD_HEADER_LEN > sizeof(ad->ad_data))
len = sizeof(ad->ad_data) - AD_HEADER_LEN;
if (len > header_len - AD_HEADER_LEN) {
- LOG(log_error, logtype_ad, "ad_header_read_ea: can't read entry info.");
+ LOG(log_error, logtype_ad, "ad_header_read_ea(\"%s\"): can't read entry info.", fullpathname(path));
errno = EIO;
return -1;
}
*
* We're called because opening ADFLAGS_HF caused an error.
* 1. In case ad_open is called with ADFLAGS_NOHF the error is suppressed.
- * 2. If ad_open was called with ADFLAGS_DF we may have opened the datafork and thus
+ * 2. Open non-existent ressource fork, this will just result in first read return EOF
+ * 3. If ad_open was called with ADFLAGS_DF we may have opened the datafork and thus
* ought to close it before returning with an error condition.
*/
static int ad_error(struct adouble *ad, int adflags)
if (adflags & ADFLAGS_NOHF) { /* 1 */
return 0;
}
- if (adflags & (ADFLAGS_DF | ADFLAGS_SETSHRMD | ADFLAGS_CHECK_OF)) { /* 2 */
+ if ((adflags & ADFLAGS_RDONLY) && (adflags & ADFLAGS_RF) && (errno == ENOENT)) /* 2 */
+ return 0;
+ if (adflags & (ADFLAGS_DF | ADFLAGS_SETSHRMD | ADFLAGS_CHECK_OF)) { /* 3 */
ad_close( ad, ADFLAGS_DF );
err = errno;
}
errno = ENOENT;
EC_FAIL;
}
+ if ((adflags & ADFLAGS_CREATE) && (ad->ad_options & ADVOL_RO)) {
+ errno = EROFS;
+ EC_FAIL;
+ }
LOG(log_debug, logtype_ad, "ad_open_hf_ea(\"%s\"): creating metadata EA", path);
if (ad_meta_fileno(ad) != -1)
ad->ad_mdp->adf_refcount++;
- (void)ad_reso_size(path, adflags, ad);
+ ad->ad_rlen = ad_reso_size(path, adflags, ad);
EC_CLEANUP:
if (ret != 0 && opened && ad_meta_fileno(ad) != -1) {
int ret = 0;
memset(ad->ad_eid, 0, sizeof( ad->ad_eid ));
- ad->ad_rlen = 0;
switch (ad->ad_vers) {
case AD_VERSION2:
}
/*!
- * Get resofork length for adouble:ea
+ * Get resofork length for adouble:ea, parameter 'ad' may be NULL
*/
-static int ad_reso_size(const char *path, int adflags, struct adouble *ad)
+off_t ad_reso_size(const char *path, int adflags, struct adouble *ad)
{
EC_INIT;
struct stat st;
+ off_t rlen;
- if (adflags & ADFLAGS_DIR) {
- ad->ad_rlen = 0;
- goto EC_CLEANUP;
- }
+ if (adflags & ADFLAGS_DIR)
+ EC_FAIL;
LOG(log_debug, logtype_ad, "ad_reso_size(\"%s\"): BEGIN", path);
#ifdef HAVE_EAFD
ssize_t easz;
- if (ad_reso_fileno(ad) != -1) {
+ if (ad && ad_reso_fileno(ad) != -1) {
EC_NEG1( fstat(ad_reso_fileno(ad), &st) );
- ad->ad_rlen = st.st_size;
- } else if (ad_meta_fileno(ad) != -1) {
- EC_NEG1( (ad->ad_rlen = sys_fgetxattr(ad_meta_fileno(ad), AD_EA_RESO, NULL, 0)) );
+ rlen = st.st_size;
+ } else if (ad && ad_meta_fileno(ad) != -1) {
+ EC_NEG1( (rlen = sys_fgetxattr(ad_meta_fileno(ad), AD_EA_RESO, NULL, 0)) );
} else {
- EC_NEG1( (ad->ad_rlen = sys_lgetxattr(path, AD_EA_RESO, NULL, 0)) );
+ EC_NEG1( (rlen = sys_lgetxattr(path, AD_EA_RESO, NULL, 0)) );
}
#else
const char *rfpath;
- EC_NULL_LOG( rfpath = ad->ad_ops->ad_path(path, adflags));
+ EC_NULL_LOG( rfpath = ad_path_osx(path, adflags));
EC_ZERO( lstat(rfpath, &st));
if (st.st_size > ADEDOFF_RFORK_OSX)
- ad->ad_rlen = st.st_size - ADEDOFF_RFORK_OSX;
+ rlen = st.st_size - ADEDOFF_RFORK_OSX;
else
- ad->ad_rlen = 0;
+ rlen = 0;
#endif
- LOG(log_debug, logtype_ad, "ad_reso_size(\"%s\"): size: %zd", path, ad->ad_rlen);
+ LOG(log_debug, logtype_ad, "ad_reso_size(\"%s\"): size: %zd", path, rlen);
EC_CLEANUP:
if (ret != 0)
- ad->ad_rlen = 0;
- EC_EXIT;
+ rlen = 0;
+ return rlen;
}
static int ad_open_rf_v2(const char *path, int adflags, int mode, struct adouble *ad)
LOG(log_debug, logtype_ad, "ad_open_rf_v2(\"%s\"): BEGIN", fullpathname(path));
- if (!AD_META_OPEN(ad) && !(adflags & ADFLAGS_NORF))
+ if (!AD_META_OPEN(ad) && !(adflags & (ADFLAGS_NORF | ADFLAGS_RDONLY)))
EC_FAIL;
if (AD_META_OPEN(ad))
ad->ad_reso_refcount++;
}
ad->ad_rfp->adf_flags &= ~( O_TRUNC | O_CREAT );
ad->ad_rfp->adf_refcount++;
- EC_NEG1_LOG( ad_reso_size(path, adflags, ad));
+ EC_NEG1_LOG( ad->ad_rlen = ad_reso_size(path, adflags, ad));
goto EC_CLEANUP;
}
#ifdef HAVE_EAFD
EC_FAIL;
if ((ad_reso_fileno(ad) = sys_getxattrfd(ad_meta_fileno(ad), AD_EA_RESO, oflags)) == -1) {
if (!(adflags & ADFLAGS_CREATE)) {
- errno = ENOENT;
- EC_FAIL;
+ switch (errno) {
+ case EACCES:
+ case EPERM:
+ case EROFS:
+ if (!(adflags & ADFLAGS_RDONLY)) {
+ LOG(log_error, logtype_ad, "ad_open_rf_ea(\"%s\"): \"%s\"", fullpathname(path), strerror(errno));
+ EC_FAIL;
+ }
+ oflags &= ~O_RDWR;
+ oflags |= O_RDONLY;
+ if ((ad_reso_fileno(ad) = sys_getxattrfd(ad_meta_fileno(ad), AD_EA_RESO, oflags)) == -1) {
+ LOG(log_error, logtype_ad, "ad_open_rf_ea(\"%s\"): \"%s\"", fullpathname(path), strerror(errno));
+ EC_FAIL;
+ }
+ break;
+ case ENOENT:
+ EC_EXIT_STATUS(0);
+ default:
+ LOG(log_error, logtype_ad, "ad_open_rf_ea(\"%s\"): \"%s\"", fullpathname(path), strerror(errno));
+ EC_FAIL;
+ }
+ } else {
+ oflags |= O_CREAT;
+ EC_NEG1_LOG( ad_reso_fileno(ad) = sys_getxattrfd(ad_meta_fileno(ad),
+ AD_EA_RESO, oflags, 0666) );
}
- oflags |= O_CREAT;
- EC_NEG1_LOG( ad_reso_fileno(ad) = sys_getxattrfd(ad_meta_fileno(ad),
- AD_EA_RESO, 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_ad, "ad_open_rf(\"%s\"): created adouble rfork: \"%s\"",
- path, rfpath);
+ if (!(adflags & ADFLAGS_CREATE)) {
+ switch (errno) {
+ case EACCES:
+ case EPERM:
+ case EROFS:
+ if (!(adflags & ADFLAGS_RDONLY)) {
+ LOG(log_error, logtype_ad, "ad_open_rf_ea(\"%s\"): \"%s\"", fullpathname(rfpath), strerror(errno));
+ EC_FAIL;
+ }
+ oflags &= ~O_RDWR;
+ oflags |= O_RDONLY;
+ if ((ad_reso_fileno(ad) = open(rfpath, oflags)) == -1) {
+ LOG(log_error, logtype_ad, "ad_open_rf_ea(\"%s\"): \"%s\"", fullpathname(rfpath), strerror(errno));
+ EC_FAIL;
+ }
+ break;
+ case ENOENT:
+ EC_EXIT_STATUS(0);
+ default:
+ LOG(log_error, logtype_ad, "ad_open_rf_ea(\"%s\"): \"%s\"", fullpathname(rfpath), strerror(errno));
+ EC_FAIL;
+ }
+ } else {
+ oflags |= O_CREAT;
+ EC_NEG1_LOG( ad_reso_fileno(ad) = open(rfpath, oflags, mode) );
+ LOG(log_debug, logtype_ad, "ad_open_rf(\"%s\"): created adouble rfork: \"%s\"",
+ path, rfpath);
+ }
}
#endif
opened = 1;
}
#endif
- (void)ad_reso_size(path, adflags, ad);
+ ad->ad_rlen = ad_reso_size(path, adflags, ad);
EC_CLEANUP:
if (ret != 0) {
ad_reso_fileno(ad) = -1;
ad_meta_fileno(ad) = -1;
ad->ad_refcount = 1;
+ ad->ad_rlen = 0;
return;
}
EC_INIT;
int cwdfd = -1;
va_list args;
- mode_t mode;
+ mode_t mode = 0;
if (dirfd != -1) {
if ((cwdfd = open(".", O_RDONLY) == -1) || (fchdir(dirfd) != 0))
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