#include <crm_internal.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <bzlib.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xmlIO.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/xml_internal.h>
#include "crmcommon_private.h"
#include <crm/common/xml_compat.h>

Include dependency graph for xml.c:

Macros
#define	XML_PARSER_DEBUG 0

#define	PCMK__XML_PARSE_OPTS (XML_PARSE_NOBLANKS \| XML_PARSE_RECOVER)

#define	CHUNK_SIZE 1024

#define	buffer_print(buffer, max, offset, fmt, args...)

#define	XML_PRIVATE_MAGIC (long) 0x81726354

#define	attr_matches(c, n, v)

#define	PCMK__XMLDUMP_STATS 0

#define	XPATH_MAX 512

Functions
bool	pcmk__tracking_xml_changes (xmlNode *xml, bool lazy)

void	pcmk__set_xml_doc_flag (xmlNode *xml, enum xml_private_flags flag)

void	pcmk__mark_xml_created (xmlNode *xml)

void	pcmk__mark_xml_attr_dirty (xmlAttr *a)

void	xml_track_changes (xmlNode xml, const char user, xmlNode *acl_source, bool enforce_acls)

bool	xml_tracking_changes (xmlNode *xml)

bool	xml_document_dirty (xmlNode *xml)

int	pcmk__xml_position (xmlNode *xml, enum xml_private_flags ignore_if_set)

xmlNode *	pcmk__xml_match (xmlNode haystack, xmlNode needle, bool exact)

void	xml_log_changes (uint8_t log_level, const char function, xmlNode xml)

void	xml_accept_changes (xmlNode *xml)

xmlNode *	find_xml_node (xmlNode root, const char search_path, gboolean must_find)

xmlNode *	pcmk__xe_match (xmlNode parent, const char node_name, const char attr_n, const char attr_v)

void	copy_in_properties (xmlNode target, xmlNode src)

void	fix_plus_plus_recursive (xmlNode *target)

void	expand_plus_plus (xmlNode target, const char name, const char *value)

void	pcmk__xe_remove_matching_attrs (xmlNode element, bool(match)(xmlAttrPtr, void ), void user_data)

xmlDoc *	getDocPtr (xmlNode *node)

xmlNode *	add_node_copy (xmlNode parent, xmlNode src_node)

int	add_node_nocopy (xmlNode parent, const char name, xmlNode *child)

xmlNode *	create_xml_node (xmlNode parent, const char name)

xmlNode *	pcmk_create_xml_text_node (xmlNode parent, const char name, const char *content)

xmlNode *	pcmk_create_html_node (xmlNode parent, const char element_name, const char id, const char class_name, const char *text)

void	pcmk_free_xml_subtree (xmlNode *xml)

void	free_xml (xmlNode *child)

xmlNode *	copy_xml (xmlNode *src)

xmlNode *	string2xml (const char *input)

xmlNode *	stdin2xml (void)

void	pcmk__strip_xml_text (xmlNode *xml)

xmlNode *	filename2xml (const char *filename)

const char *	pcmk__xe_add_last_written (xmlNode *xe)

void	crm_xml_sanitize_id (char *id)
	Sanitize a string so it is usable as an XML ID. More...

void	crm_xml_set_id (xmlNode xml, const char format,...)
	Set the ID of an XML element using a format. More...

int	write_xml_fd (xmlNode xml_node, const char filename, int fd, gboolean compress)
	Write XML to a file descriptor. More...

int	write_xml_file (xmlNode xml_node, const char filename, gboolean compress)
	Write XML to a file. More...

char *	crm_xml_escape (const char *text)
	Replace special characters with their XML escape sequences. More...

void	pcmk__xe_log (int log_level, const char file, const char function, int line, const char prefix, xmlNode data, int depth, int options)

void	log_data_element (int log_level, const char file, const char function, int line, const char prefix, xmlNode data, int depth, int options)

void	pcmk__xml2text (xmlNode data, int options, char buffer, int offset, int *max, int depth)

void	pcmk__buffer_add_char (char *buffer, int offset, int *max, char c)

char *	dump_xml_formatted_with_text (xmlNode *an_xml_node)

char *	dump_xml_formatted (xmlNode *an_xml_node)

char *	dump_xml_unformatted (xmlNode *an_xml_node)

gboolean	xml_has_children (const xmlNode *xml_root)

void	xml_remove_prop (xmlNode obj, const char name)

void	save_xml_to_file (xmlNode xml, const char desc, const char *filename)

void	xml_calculate_significant_changes (xmlNode old_xml, xmlNode new_xml)

void	xml_calculate_changes (xmlNode old_xml, xmlNode new_xml)

gboolean	can_prune_leaf (xmlNode *xml_node)

xmlNode *	pcmk__xc_match (xmlNode root, xmlNode search_comment, bool exact)

void	pcmk__xc_update (xmlNode parent, xmlNode target, xmlNode *update)

void	pcmk__xml_update (xmlNode parent, xmlNode target, xmlNode *update, bool as_diff)

gboolean	update_xml_child (xmlNode child, xmlNode to_update)

int	find_xml_children (xmlNode *children, xmlNode root, const char tag, const char field, const char *value, gboolean search_matches)

gboolean	replace_xml_child (xmlNode parent, xmlNode child, xmlNode *update, gboolean delete_only)

xmlNode *	sorted_xml (xmlNode input, xmlNode parent, gboolean recursive)

xmlNode *	first_named_child (const xmlNode parent, const char name)

xmlNode *	crm_next_same_xml (const xmlNode *sibling)
	Get next instance of same XML tag. More...

void	crm_xml_init (void)
	Initialize the CRM XML subsystem. More...

void	crm_xml_cleanup (void)

xmlNode *	expand_idref (xmlNode input, xmlNode top)

void	crm_destroy_xml (gpointer data)
	xmlNode destructor which can be used in glib collections More...

char *	pcmk__xml_artefact_root (enum pcmk__xml_artefact_ns ns)

char *	pcmk__xml_artefact_path (enum pcmk__xml_artefact_ns ns, const char *filespec)

void	pcmk__xe_set_propv (xmlNodePtr node, va_list pairs)

void	pcmk__xe_set_props (xmlNodePtr node,...)

xmlNode *	find_entity (xmlNode parent, const char node_name, const char *id)

Macro Definition Documentation

◆ attr_matches

#define attr_matches	(	c,
		n,
		v
	)

Value:

pcmk__str_eq(crm_element_value((c), (n)), \

(v), pcmk__str_none)

pcmk__str_none

Definition: strings_internal.h:25

crm_element_value

const char * crm_element_value(const xmlNode *data, const char *name)

Retrieve the value of an XML attribute.

Definition: nvpair.c:529

Definition at line 478 of file xml.c.

◆ buffer_print

#define buffer_print	(	buffer,
		max,
		offset,
		fmt,
		args...
	)

Value:

do {            \
        int rc = (max);                                                 \
        if(buffer) {                                                    \
            rc = snprintf((buffer) + (offset), (max) - (offset), fmt, ##args); \
        }                                                               \
        if(buffer && rc < 0) {                                          \
            crm_perror(LOG_ERR, "snprintf failed at offset %d", offset); \
            (buffer)[(offset)] = 0;                                     \
            break;                                                      \
        } else if(rc >= ((max) - (offset))) {                           \
            char *tmp = NULL;                                           \
            (max) = QB_MAX(CHUNK_SIZE, (max) * 2);                      \
            tmp = pcmk__realloc((buffer), (max));                       \
            CRM_ASSERT(tmp);                                            \
            (buffer) = tmp;                                             \
        } else {                                                        \
            offset += rc;                                               \
            break;                                                      \
        }                                                               \
    } while(1);

Definition at line 65 of file xml.c.

◆ CHUNK_SIZE

#define CHUNK_SIZE 1024

Definition at line 48 of file xml.c.

◆ PCMK__XML_PARSE_OPTS

#define PCMK__XML_PARSE_OPTS (XML_PARSE_NOBLANKS | XML_PARSE_RECOVER)

Definition at line 46 of file xml.c.

◆ PCMK__XMLDUMP_STATS

#define PCMK__XMLDUMP_STATS 0

Definition at line 1853 of file xml.c.

◆ XML_PARSER_DEBUG

#define XML_PARSER_DEBUG 0

Definition at line 33 of file xml.c.

◆ XML_PRIVATE_MAGIC

#define XML_PRIVATE_MAGIC (long) 0x81726354

Definition at line 184 of file xml.c.

◆ XPATH_MAX

#define XPATH_MAX 512

Definition at line 2859 of file xml.c.

Function Documentation

◆ add_node_copy()

xmlNode* add_node_copy	(	xmlNode *	parent,
		xmlNode *	src_node
	)

Definition at line 674 of file xml.c.

◆ add_node_nocopy()

int add_node_nocopy	(	xmlNode *	parent,
		const char *	name,
		xmlNode *	child
	)

Definition at line 688 of file xml.c.

◆ can_prune_leaf()

gboolean can_prune_leaf ( xmlNode * xml_node )

Definition at line 2387 of file xml.c.

◆ copy_in_properties()

void copy_in_properties	(	xmlNode *	target,
		xmlNode *	src
	)

Definition at line 520 of file xml.c.

◆ copy_xml()

xmlNode* copy_xml ( xmlNode * src )

Definition at line 830 of file xml.c.

◆ create_xml_node()

xmlNode* create_xml_node	(	xmlNode *	parent,
		const char *	name
	)

Definition at line 696 of file xml.c.

◆ crm_destroy_xml()

void crm_destroy_xml ( gpointer data )

xmlNode destructor which can be used in glib collections

Definition at line 2895 of file xml.c.

◆ crm_next_same_xml()

xmlNode* crm_next_same_xml ( const xmlNode * sibling )

Get next instance of same XML tag.

Parameters

[in] sibling XML tag to start from

Returns: Next sibling XML tag with same name

Definition at line 2815 of file xml.c.

◆ crm_xml_cleanup()

void crm_xml_cleanup ( void )

Definition at line 2852 of file xml.c.

◆ crm_xml_escape()

char* crm_xml_escape ( const char * text )

Replace special characters with their XML escape sequences.

Parameters

[in] text Text to escape

Returns: Newly allocated string equivalent to text but with special characters replaced with XML escape sequences (or NULL if text is NULL)

Definition at line 1344 of file xml.c.

◆ crm_xml_init()

void crm_xml_init ( void )

Initialize the CRM XML subsystem.

This method sets global XML settings and loads pacemaker schemas into the cache.

Definition at line 2830 of file xml.c.

◆ crm_xml_sanitize_id()

void crm_xml_sanitize_id ( char * id )

Sanitize a string so it is usable as an XML ID.

Parameters

[in,out] id String to sanitize

Definition at line 1128 of file xml.c.

◆ crm_xml_set_id()

void crm_xml_set_id	(	xmlNode *	xml,
		const char *	format,
			...
	)

Set the ID of an XML element using a format.

Parameters

[in,out]	xml	XML element
[in]	fmt	printf-style format
[in]	...	any arguments required by format

Definition at line 1150 of file xml.c.

◆ dump_xml_formatted()

char* dump_xml_formatted ( xmlNode * an_xml_node )

Definition at line 2002 of file xml.c.

◆ dump_xml_formatted_with_text()

char* dump_xml_formatted_with_text ( xmlNode * an_xml_node )

Definition at line 1990 of file xml.c.

◆ dump_xml_unformatted()

char* dump_xml_unformatted ( xmlNode * an_xml_node )

Definition at line 2013 of file xml.c.

◆ expand_idref()

xmlNode* expand_idref	(	xmlNode *	input,
		xmlNode *	top
	)

Definition at line 2862 of file xml.c.

◆ expand_plus_plus()

void expand_plus_plus	(	xmlNode *	target,
		const char *	name,
		const char *	value
	)

Definition at line 559 of file xml.c.

◆ filename2xml()

xmlNode* filename2xml ( const char * filename )

Definition at line 1044 of file xml.c.

◆ find_entity()

xmlNode* find_entity	(	xmlNode *	parent,
		const char *	node_name,
		const char *	id
	)

Deprecated:: This function will be removed in a future release

Definition at line 2983 of file xml.c.

◆ find_xml_children()

int find_xml_children	(	xmlNode **	children,
		xmlNode *	root,
		const char *	tag,
		const char *	field,
		const char *	value,
		gboolean	search_matches
	)

Definition at line 2642 of file xml.c.

◆ find_xml_node()

xmlNode* find_xml_node	(	xmlNode *	root,
		const char *	search_path,
		gboolean	must_find
	)

Definition at line 445 of file xml.c.

◆ first_named_child()

xmlNode* first_named_child	(	const xmlNode *	parent,
		const char *	name
	)

Definition at line 2789 of file xml.c.

◆ fix_plus_plus_recursive()

void fix_plus_plus_recursive ( xmlNode * target )

Definition at line 541 of file xml.c.

◆ free_xml()

void free_xml ( xmlNode * child )

Definition at line 824 of file xml.c.

◆ getDocPtr()

xmlDoc* getDocPtr ( xmlNode * node )

Definition at line 658 of file xml.c.

◆ log_data_element()

void log_data_element	(	int	log_level,
		const char *	file,
		const char *	function,
		int	line,
		const char *	prefix,
		xmlNode *	data,
		int	depth,
		int	options
	)

Definition at line 1641 of file xml.c.

◆ pcmk__buffer_add_char()

void pcmk__buffer_add_char	(	char **	buffer,
		int *	offset,
		int *	max,
		char	c
	)

Definition at line 1984 of file xml.c.

◆ pcmk__mark_xml_attr_dirty()

void pcmk__mark_xml_attr_dirty ( xmlAttr * a )

Definition at line 173 of file xml.c.

◆ pcmk__mark_xml_created()

void pcmk__mark_xml_created ( xmlNode * xml )

Definition at line 155 of file xml.c.

◆ pcmk__set_xml_doc_flag()

void pcmk__set_xml_doc_flag	(	xmlNode *	xml,
		enum xml_private_flags	flag
	)

Definition at line 117 of file xml.c.

◆ pcmk__strip_xml_text()

void pcmk__strip_xml_text ( xmlNode * xml )

Definition at line 1016 of file xml.c.

◆ pcmk__tracking_xml_changes()

bool pcmk__tracking_xml_changes	(	xmlNode *	xml,
		bool	lazy
	)

Definition at line 51 of file xml.c.

◆ pcmk__xc_match()

xmlNode* pcmk__xc_match	(	xmlNode *	root,
		xmlNode *	search_comment,
		bool	exact
	)

Definition at line 2430 of file xml.c.

◆ pcmk__xc_update()

void pcmk__xc_update	(	xmlNode *	parent,
		xmlNode *	target,
		xmlNode *	update
	)

Definition at line 2479 of file xml.c.

◆ pcmk__xe_add_last_written()

const char* pcmk__xe_add_last_written ( xmlNode * xe )

Definition at line 1114 of file xml.c.

◆ pcmk__xe_log()

void pcmk__xe_log	(	int	log_level,
		const char *	file,
		const char *	function,
		int	line,
		const char *	prefix,
		xmlNode *	data,
		int	depth,
		int	options
	)

Definition at line 1439 of file xml.c.

◆ pcmk__xe_match()

xmlNode* pcmk__xe_match	(	xmlNode *	parent,
		const char *	node_name,
		const char *	attr_n,
		const char *	attr_v
	)

Definition at line 495 of file xml.c.

◆ pcmk__xe_remove_matching_attrs()

void pcmk__xe_remove_matching_attrs	(	xmlNode *	element,
		bool()(xmlAttrPtr, void )	match,
		void *	user_data
	)

Definition at line 629 of file xml.c.

◆ pcmk__xe_set_props()

void pcmk__xe_set_props	(	xmlNodePtr	node,
			...
	)

Definition at line 2969 of file xml.c.

◆ pcmk__xe_set_propv()

void pcmk__xe_set_propv	(	xmlNodePtr	node,
		va_list	pairs
	)

Definition at line 2951 of file xml.c.

◆ pcmk__xml2text()

void pcmk__xml2text	(	xmlNode *	data,
		int	options,
		char **	buffer,
		int *	offset,
		int *	max,
		int	depth
	)

Definition at line 1867 of file xml.c.

◆ pcmk__xml_artefact_path()

char* pcmk__xml_artefact_path	(	enum pcmk__xml_artefact_ns	ns,
		const char *	filespec
	)

Definition at line 2929 of file xml.c.

◆ pcmk__xml_artefact_root()

char* pcmk__xml_artefact_root ( enum pcmk__xml_artefact_ns ns )

Definition at line 2901 of file xml.c.

◆ pcmk__xml_match()

xmlNode* pcmk__xml_match	(	xmlNode *	haystack,
		xmlNode *	needle,
		bool	exact
	)

Definition at line 369 of file xml.c.

◆ pcmk__xml_position()

int pcmk__xml_position	(	xmlNode *	xml,
		enum xml_private_flags	ignore_if_set
	)

Definition at line 314 of file xml.c.

◆ pcmk__xml_update()

void pcmk__xml_update	(	xmlNode *	parent,
		xmlNode *	target,
		xmlNode *	update,
		bool	as_diff
	)

Definition at line 2510 of file xml.c.

◆ pcmk_create_html_node()

xmlNode* pcmk_create_html_node	(	xmlNode *	parent,
		const char *	element_name,
		const char *	id,
		const char *	class_name,
		const char *	text
	)

Definition at line 733 of file xml.c.

◆ pcmk_create_xml_text_node()

xmlNode* pcmk_create_xml_text_node	(	xmlNode *	parent,
		const char *	name,
		const char *	content
	)

Definition at line 721 of file xml.c.

◆ pcmk_free_xml_subtree()

void pcmk_free_xml_subtree ( xmlNode * xml )

Free an XML element and all of its children, removing it from its parent

Parameters

[in] xml XML element to free

Definition at line 755 of file xml.c.

◆ replace_xml_child()

gboolean replace_xml_child	(	xmlNode *	parent,
		xmlNode *	child,
		xmlNode *	update,
		gboolean	delete_only
	)

Definition at line 2675 of file xml.c.

◆ save_xml_to_file()

void save_xml_to_file	(	xmlNode *	xml,
		const char *	desc,
		const char *	filename
	)

Definition at line 2051 of file xml.c.

◆ sorted_xml()

xmlNode* sorted_xml	(	xmlNode *	input,
		xmlNode *	parent,
		gboolean	recursive
	)

Definition at line 2757 of file xml.c.

◆ stdin2xml()

xmlNode* stdin2xml ( void )

Definition at line 930 of file xml.c.

◆ string2xml()

xmlNode* string2xml ( const char * input )

Definition at line 869 of file xml.c.

◆ update_xml_child()

gboolean update_xml_child	(	xmlNode *	child,
		xmlNode *	to_update
	)

Definition at line 2608 of file xml.c.

◆ write_xml_fd()

int write_xml_fd	(	xmlNode *	xml_node,
		const char *	filename,
		int	fd,
		gboolean	compress
	)

Write XML to a file descriptor.

Parameters

[in]	xml_node	XML to write
[in]	filename	Name of file being written (for logging only)
[in]	fd	Open file descriptor corresponding to filename
[in]	compress	Whether to compress XML before writing

Returns: Number of bytes written on success, -errno otherwise

Definition at line 1271 of file xml.c.

◆ write_xml_file()

int write_xml_file	(	xmlNode *	xml_node,
		const char *	filename,
		gboolean	compress
	)

Write XML to a file.

Parameters

[in]	xml_node	XML to write
[in]	filename	Name of file to write
[in]	compress	Whether to compress XML before writing

Returns: Number of bytes written on success, -errno otherwise

Definition at line 1299 of file xml.c.

◆ xml_accept_changes()

void xml_accept_changes ( xmlNode * xml )

Definition at line 420 of file xml.c.

◆ xml_calculate_changes()

void xml_calculate_changes	(	xmlNode *	old_xml,
		xmlNode *	new_xml
	)

Definition at line 2373 of file xml.c.

◆ xml_calculate_significant_changes()

void xml_calculate_significant_changes	(	xmlNode *	old_xml,
		xmlNode *	new_xml
	)

Definition at line 2366 of file xml.c.

◆ xml_document_dirty()

bool xml_document_dirty ( xmlNode * xml )

Definition at line 297 of file xml.c.

◆ xml_has_children()

gboolean xml_has_children ( const xmlNode * xml_root )

Definition at line 2023 of file xml.c.

◆ xml_log_changes()

void xml_log_changes	(	uint8_t	log_level,
		const char *	function,
		xmlNode *	xml
	)

Definition at line 385 of file xml.c.

◆ xml_remove_prop()

void xml_remove_prop	(	xmlNode *	obj,
		const char *	name
	)

Definition at line 2032 of file xml.c.

◆ xml_track_changes()

void xml_track_changes	(	xmlNode *	xml,
		const char *	user,
		xmlNode *	acl_source,
		bool	enforce_acls
	)

Definition at line 275 of file xml.c.

◆ xml_tracking_changes()

bool xml_tracking_changes ( xmlNode * xml )

Definition at line 290 of file xml.c.

Macros

Functions

Macro Definition Documentation

◆ attr_matches

◆ buffer_print

◆ CHUNK_SIZE

◆ PCMK__XML_PARSE_OPTS

◆ PCMK__XMLDUMP_STATS

◆ XML_PARSER_DEBUG

◆ XML_PRIVATE_MAGIC

◆ XPATH_MAX

Function Documentation

◆ add_node_copy()

◆ add_node_nocopy()

◆ can_prune_leaf()

◆ copy_in_properties()

◆ copy_xml()

◆ create_xml_node()

◆ crm_destroy_xml()

◆ crm_next_same_xml()

◆ crm_xml_cleanup()

◆ crm_xml_escape()

◆ crm_xml_init()

◆ crm_xml_sanitize_id()

◆ crm_xml_set_id()

◆ dump_xml_formatted()

◆ dump_xml_formatted_with_text()

◆ dump_xml_unformatted()

◆ expand_idref()

◆ expand_plus_plus()

◆ filename2xml()

◆ find_entity()

◆ find_xml_children()

◆ find_xml_node()

◆ first_named_child()

◆ fix_plus_plus_recursive()

◆ free_xml()

◆ getDocPtr()

◆ log_data_element()

◆ pcmk__buffer_add_char()

◆ pcmk__mark_xml_attr_dirty()

◆ pcmk__mark_xml_created()

◆ pcmk__set_xml_doc_flag()

◆ pcmk__strip_xml_text()

◆ pcmk__tracking_xml_changes()

◆ pcmk__xc_match()

◆ pcmk__xc_update()

◆ pcmk__xe_add_last_written()

◆ pcmk__xe_log()

◆ pcmk__xe_match()

◆ pcmk__xe_remove_matching_attrs()

◆ pcmk__xe_set_props()

◆ pcmk__xe_set_propv()

◆ pcmk__xml2text()

◆ pcmk__xml_artefact_path()

◆ pcmk__xml_artefact_root()

◆ pcmk__xml_match()

◆ pcmk__xml_position()

◆ pcmk__xml_update()

◆ pcmk_create_html_node()

◆ pcmk_create_xml_text_node()

◆ pcmk_free_xml_subtree()

◆ replace_xml_child()

◆ save_xml_to_file()

◆ sorted_xml()

◆ stdin2xml()

◆ string2xml()

◆ update_xml_child()

◆ write_xml_fd()

◆ write_xml_file()

◆ xml_accept_changes()

◆ xml_calculate_changes()

◆ xml_calculate_significant_changes()

◆ xml_document_dirty()

◆ xml_has_children()

◆ xml_log_changes()

◆ xml_remove_prop()

◆ xml_track_changes()

◆ xml_tracking_changes()