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Controlling import and export of ACL, EA, AAIP

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This commit is contained in:
Thomas Schmitt
2009-01-23 09:32:32 +01:00
parent 65e5b00171
commit c8495481ca
10 changed files with 138 additions and 26 deletions
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66
libisofs/libisofs.h
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@ -673,12 +673,20 @@ struct IsoFileSource_Iface
/* ts A90114 */
/**
* Valid only if .version is > 0. See above.
* Get the AA string with encoded ACL and/or POSIX Extended Attributes.
* Get the AA string with encoded ACL and/or XFS-style Extended Attributes.
* (Not to be confused with ECMA-119 Extended Attributes).
*
* bit1 and bit2 of flag should be implemented so that freshly fetched
* info does not include the undesired ACL or EAs. Nevertheless if the
* aa_string is cached, then it is permissible that ACL and EA are still
* delivered.
*
* @param flag Bitfield for control purposes
* bit0= Transfer ownership of AA string data.
* src will free the eventual cached data and might
* not be able to produce it again.
* bit1= No need to get ACL (no guarantee of exclusion)
* bit2= No need to get EA (no guarantee of exclusion)
* @param aa_string Returns a pointer to the AA string data. If no AA
* string is available, *aa_string becomes NULL.
* Field signature will be "AA".
@ -915,6 +923,30 @@ char *iso_get_local_charset(int flag);
int iso_image_new(const char *name, IsoImage **image);
/* ts A90121 */
/**
* Control whether ACL and XFS-style Extended Attributes will be imported from
* external filesystems (typically the local POSIX filesystem) when new
* nodes get inserted. If enabled by iso_write_opts_set_aaip() they will later
* be written into the image as AAIP extension fields.
*
* A change of this setting does neither affect existing IsoNode objects
* nor the way how ACL and EA are handled when loading an ISO image.
* The latter is controlled by iso_read_opts_set_no_aaip().
*
* @param image
* The image of which the behavior is to be controlled
* @param what
* A bit field which sets the behavior:
* bit0= ignore ACLs if the external file object bears some
* bit1= ignore EAs if the external file object bears some
* all other bits are reserved
*
* @since 0.6.14
*/
void iso_image_set_ignore_aclea(IsoImage *image, int what);
/**
* The following two functions three macros are utilities to help ensuring
* version match of application, compile time header, and runtime library.
@ -1017,6 +1049,9 @@ int iso_lib_is_compatible(int major, int minor, int micro);
* ---> 1 [BACKUP]
* POSIX compatibility for backup. Simple settings, ISO level is set to
* 3 and RR extensions are enabled. Useful for backup purposes.
* Note that ACL and XFS-style EA are not enabled by default.
* If you enable them, expect them not to show up in the mounted image.
* They will have to be retrieved by libisofs applications like xorriso.
* ---> 2 [DISTRIBUTION]
* Setting for information distribution. Both RR and Joliet are enabled
* to maximize compatibility with most systems. Permissions are set to
@ -1098,6 +1133,21 @@ int iso_write_opts_set_joliet(IsoWriteOpts *opts, int enable);
*/
int iso_write_opts_set_iso1999(IsoWriteOpts *opts, int enable);
/* ts A90122 */
/**
* Control writing of AAIP informations for ACL and XFS-style Extended
* Attributes.
* For importing ACL and EA when inserting nodes from external filesystems
* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
* For loading of this information from images see iso_read_opts_set_no_aaip().
*
* @param enable 1 = do not read AAIP information
* 0 = read AAIP information if available
* All other values are reserved.
* @since 0.6.14
*/
int iso_write_opts_set_aaip(IsoWriteOpts *opts, int enable);
/**
* Omit the version number (";1") at the end of the ISO-9660 identifiers.
* This breaks ECMA-119 specification, but version numbers are usually not
@ -1461,8 +1511,7 @@ int iso_image_update_sizes(IsoImage *image);
* ---> 0 [STANDARD]
* Suitable for most situations. Most extension are read. When both
* Joliet and RR extension are present, RR is used.
* AAIP for ACL and POSIX Extended Attributes is not enabled by
* default.
* AAIP for ACL and Extended Attributes is not enabled by default.
* @return
* 1 success, < 0 error
*
@ -1509,7 +1558,12 @@ int iso_read_opts_set_no_joliet(IsoReadOpts *opts, int nojoliet);
int iso_read_opts_set_no_iso1999(IsoReadOpts *opts, int noiso1999);
/**
* Control reading of AAIP informations for ACL and POSIX Extended Attributes.
* Control reading of AAIP informations about ACL and XFS-style Extended
* Attributes when loading existing images.
* For importing ACL and EA when inserting nodes from external filesystems
* (e.g. the local POSIX filesystem) see iso_image_set_ignore_aclea().
* For eventual writing of this information see iso_write_opts_set_aaip().
*
* @param noaaip 1 = do not read AAIP information
* 0 = read AAIP information if available
* All other values are reserved.
@ -3666,7 +3720,7 @@ int iso_file_source_readlink(IsoFileSource *src, char *buf, size_t bufsiz);
/**
* Get the AA string with encoded ACL and/or POSIX Extended Attributes.
* Get the AA string with encoded ACL and/or XFS-style Extended Attributes.
* (Not to be confused with ECMA-119 Extended Attributes).
* @param src The file source object to be inquired.
* @param aa_string Returns a pointer to the AA string data. If no AA
@ -3680,6 +3734,8 @@ int iso_file_source_readlink(IsoFileSource *src, char *buf, size_t bufsiz);
* bit0= Transfer ownership of AA string data.
* src will free the eventual cached data and might
* not be able to produce it again.
* bit1= No need to get ACL (but no guarantee of exclusion)
* bit2= No need to get EA (but no guarantee of exclusion)
* @return 1 means success (*aa_string == NULL is possible)
* <0 means failure and must b a valid libisofs error code
* (e.g. ISO_FILE_ERROR if no better one can be found).