OVALSESSION
[OVAL]

OVAL Session. More...

Files

file  oval_session.h

Data Structures

struct  oval_session
 A structure encapsulating the context of OVAL operations. More...

Functions

struct oval_sessionoval_session_new (const char *filename)
 Costructor of an oval_session.
void oval_session_set_variables (struct oval_session *session, const char *filename)
 Set OVAL Variables.
void oval_session_set_directives (struct oval_session *session, const char *filename)
 Set OVAL Directives.
void oval_session_set_validation (struct oval_session *session, bool validate, bool full_validation)
 Set XSD validation level.
void oval_session_set_datastream_id (struct oval_session *session, const char *id)
 Set ID of a specific OVAL Definition in an source datastream.
void oval_session_set_component_id (struct oval_session *session, const char *id)
 Set ID of a particular OVAL component if there are two OVALs in one source datastream.
void oval_session_set_results_export (struct oval_session *session, const char *filename)
 Set a name of the file that the the OVAL Results will be written into.
void oval_session_set_report_export (struct oval_session *session, const char *filename)
 Set a name of the file that the the OVAL Results, converted to HTML format, will be written into.
void oval_session_set_xml_reporter (struct oval_session *session, xml_reporter fn)
 Set XML validation reporter.
int oval_session_load (struct oval_session *session)
 Load OVAL Definitions and bind OVAL Variables to it if provided.
int oval_session_evaluate_id (struct oval_session *session, char *probe_root, const char *id, oval_result_t *result)
 Evaluate a specific OVAL Definition.
int oval_session_evaluate (struct oval_session *session, char *probe_root, agent_reporter fn, void *arg)
 Evaluate OVAL Definitions.
int oval_session_export (struct oval_session *session)
 Export result to a file.
void oval_session_set_export_system_characteristics (struct oval_session *session, bool export)
 Set exporting of system characteristics in OVAL results.
void oval_session_set_remote_resources (struct oval_session *session, bool allowed, download_progress_calllback_t callback)
 Set property of remote content.
void oval_session_free (struct oval_session *session)
 Destructor of an oval_session.

Detailed Description

OVAL Session.

This is a high level API for OVAL Definition content evaluation, collection of OVAL System Characteristics and analysing of OVAL Definitions and collected OVAL System Characteristics.


Function Documentation

int oval_session_evaluate ( struct oval_session session,
char *  probe_root,
agent_reporter  fn,
void *  arg 
)

Evaluate OVAL Definitions.

Optionally you can set a callback function which will be called upon single evaluation. Use oval_result_definition_get_id to get the ID of the evaluated OVAL Definion and oval_result_definition_get_result, oval_result_get_text to get a text representation of the result.

oval_session

Parameters:
session an oval_session
probe_root FIXME:
fn a callback function
arg an optional argument for your callback function
Return values:
0 on success
1 on an internal error (use oscap_err_desc or oscap_err_get_full_error to get more details)

int oval_session_evaluate_id ( struct oval_session session,
char *  probe_root,
const char *  id,
oval_result_t result 
)

Evaluate a specific OVAL Definition.

The result of the evaluation will be written into the result argument. You can convert it into a string representation with oval_result_get_text.

oval_session

Parameters:
session an oval_session
probe_root FIXME:
id id of an OVAL Definition
result variable to write the result into
Return values:
0 on success
1 on an internal error (use oscap_err_desc or oscap_err_get_full_error to get more details)

int oval_session_export ( struct oval_session session  ) 

Export result to a file.

Results can be represented as OVAL System Characteristics if analyse has been done or OVAL Results if evaluation or collect has been done. If there aren't any filenames set or no operation was performed then this function has no effect.

Alse see: oval_session_set_results_export oval_session_set_report_export

oval_session

Parameters:
session an oval_session
Return values:
0 on success
1 on an internal error (use oscap_err_desc or oscap_err_get_full_error to get more details)

void oval_session_free ( struct oval_session session  ) 

Destructor of an oval_session.

oval_session

Parameters:
session an oval_session to destroy

int oval_session_load ( struct oval_session session  ) 

Load OVAL Definitions and bind OVAL Variables to it if provided.

Validation if performed automatically if you've set it with oval_session_set_validation. if the validation failed then the function will print information about what line in what file isn't valid and why not.

oval_session

Parameters:
session an oval_session
Return values:
0 on success
1 on an internal error (use oscap_err_desc or oscap_err_get_full_error to get more details)

struct oval_session* oval_session_new ( const char *  filename  )  [read]

Costructor of an oval_session.

It attempts to recognize a type of the filename which has to be a source datastream or OVAL Definitions.

oval_session

Parameters:
filename a path to an OVAL or source datastream file
Returns:
a newly created oval_session
Return values:
NULL in case of an error (use oscap_err_desc or oscap_err_get_full_error to get more details)

void oval_session_set_component_id ( struct oval_session session,
const char *  id 
)

Set ID of a particular OVAL component if there are two OVALs in one source datastream.

If the ID has been already set then it will be overwritten.

oval_session

Parameters:
session an oval_session
id an id of a definition

void oval_session_set_datastream_id ( struct oval_session session,
const char *  id 
)

Set ID of a specific OVAL Definition in an source datastream.

If the ID has been already set then it will be overwritten. In case where there are two OVALs in one datastream use oval_session_set_component_id.

oval_session

Parameters:
session an oval_session
id an id of a definition

void oval_session_set_directives ( struct oval_session session,
const char *  filename 
)

Set OVAL Directives.

If a filename has been already set then it will be overwritten. If you pass NULL as filename argument then the currently set variables will be freed. Validation of the format will be perforemed when the oval_session_load is called.

oval_session

Parameters:
session an oval_session
filename a path to an OVAL Directives file

void oval_session_set_export_system_characteristics ( struct oval_session session,
bool  export 
)

Set exporting of system characteristics in OVAL results.

oval_session

Parameters:
session an oval_session
export false values indicated no system_characteristics in OVAL Results

void oval_session_set_remote_resources ( struct oval_session session,
bool  allowed,
download_progress_calllback_t  callback 
)

Set property of remote content.

oval_session

Parameters:
session an oval_session
allowed Whether is download of remote resources allowed in this session (defaults to false)
callback used to notify user about download proceeds. This might be safely set to NULL -- ignoring user notification.

void oval_session_set_report_export ( struct oval_session session,
const char *  filename 
)

Set a name of the file that the the OVAL Results, converted to HTML format, will be written into.

If the file's name has been already set for the current session then it will be overwritten.

oval_session

Parameters:
session an oval_session
filename a path to a new file

void oval_session_set_results_export ( struct oval_session session,
const char *  filename 
)

Set a name of the file that the the OVAL Results will be written into.

If the file's name has been already set for the current session then it will be overwritten.

oval_session

Parameters:
session an oval_session
filename a path to a new file

void oval_session_set_validation ( struct oval_session session,
bool  validate,
bool  full_validation 
)

Set XSD validation level.

oval_session

Parameters:
session an oval_session
validate false value indicates to skip any XSD validation
full_validation true value indicates that every possible step will be validated by XSD

void oval_session_set_variables ( struct oval_session session,
const char *  filename 
)

Set OVAL Variables.

If a filename has been already set then it will be overwritten. If you pass NULL as filename argument then the currently set variables will be freed. Validation of the format will be perforemed when the oval_session_load is called.

oval_session

Parameters:
session an oval_session
filename a path to an OVAL Variables file

void oval_session_set_xml_reporter ( struct oval_session session,
xml_reporter  fn 
)

Set XML validation reporter.

This function is called when there is something invalid in input/output XML file.

oval_session

Parameters:
session an oval_session
fn pointer to XML reporter function


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