diff options
Diffstat (limited to 'server/parser/xmlparser.c')
| -rw-r--r-- | server/parser/xmlparser.c | 91 |
1 files changed, 87 insertions, 4 deletions
diff --git a/server/parser/xmlparser.c b/server/parser/xmlparser.c index fb1330a..0ff6e72 100644 --- a/server/parser/xmlparser.c +++ b/server/parser/xmlparser.c @@ -42,6 +42,8 @@ #include <sha1.h> #include <log.h> +static dbhelper_func const * xmlparser_dbhelpers = NULL; + /** * Simple strdup() function which encapsulates the string in single quotes, * which is needed for XSLT parameter values @@ -84,6 +86,33 @@ static char *encapsInt(const unsigned int val) { /** + * Simple function to determine if the given string is a number or not + * + * @param str Pointer to the tring to be checked + * + * @returns Returns 0 if not a number and a non-null value if it is a number + */ +int isNumber(const char * str) +{ + char *ptr = NULL; + + if (str == NULL || *str == '\0' || isspace(*str)) + return 0; + + strtod (str, &ptr); + return *ptr == '\0'; +} + +/** + * Initialise the XML parser, setting some global variables + */ +void init_xmlparser(dbhelper_func const * dbhelpers) +{ + xmlparser_dbhelpers = dbhelpers; +} + + +/** * Parses any XML input document into a sqldata XML format which can be used by pgsql_INSERT(). * The transformation must be defined in the input XSLT template. * @@ -100,6 +129,11 @@ xmlDoc *parseToSQLdata(LogContext *log, xsltStylesheet *xslt, xmlDoc *indata_d, unsigned int idx = 0, idx_table = 0, idx_submid = 0, idx_syskey = 0, idx_rterid = 0, idx_repfname = 0; + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return NULL; + } + if( params->table == NULL ) { writelog(log, LOG_ERR, "Table is not defined"); return NULL; @@ -170,16 +204,17 @@ xmlDoc *parseToSQLdata(LogContext *log, xsltStylesheet *xslt, xmlDoc *indata_d, * @return Returns a pointer to a new buffer containing the value on success, otherwise NULL. * This memory buffer must be free'd after usage. */ -static inline char *sqldataValueHash(LogContext *log, xmlNode *sql_n) { +char * sqldataValueHash(LogContext *log, xmlNode *sql_n) { const char *hash = NULL, *isnull = NULL; SHA1Context shactx; uint8_t shahash[SHA1_HASH_SIZE]; char *ret = NULL, *ptr = NULL; int i; - if( !sql_n || (xmlStrcmp(sql_n->name, (xmlChar *) "value") != 0) - || (xmlStrcmp(sql_n->parent->name, (xmlChar *) "record") != 0) ) { - return NULL; + if( !(sql_n && (xmlStrcmp(sql_n->name, (xmlChar *) "value") == 0) + && (xmlStrcmp(sql_n->parent->name, (xmlChar *) "record") == 0) + || (xmlStrcmp(sql_n->parent->name, (xmlChar *) "value") == 0)) ) { + return NULL; } isnull = xmlGetAttrValue(sql_n->properties, "isnull"); @@ -214,6 +249,27 @@ static inline char *sqldataValueHash(LogContext *log, xmlNode *sql_n) { /** + * Extract the content of a //sqldata/records/record/value[@type='array']/value node set + * and format it in suitable array format for the database backend. + * + * @param log Log context + * @param sql_n sqldata values node containing the value to extract and format as an array. + * + * @return Returns a pointer to a new memory buffer containing the value as a string. + * On errors, NULL is returned. This memory buffer must be free'd after usage. + */ +static char * sqldataValueArray(LogContext *log, xmlNode *sql_n) +{ + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return NULL; + } + + return xmlparser_dbhelpers->dbh_FormatArray(log, sql_n); +} + + +/** * Extract the content of a '//sqldata/records/record/value' node. It will consider * both the 'hash' and 'type' attributes of the 'value' tag. * @@ -226,6 +282,11 @@ static inline char *sqldataValueHash(LogContext *log, xmlNode *sql_n) { char *sqldataExtractContent(LogContext *log, xmlNode *sql_n) { const char *valtype = xmlGetAttrValue(sql_n->properties, "type"); + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return NULL; + } + if( !sql_n || (xmlStrcmp(sql_n->name, (xmlChar *) "value") != 0) || (xmlStrcmp(sql_n->parent->name, (xmlChar *) "record") != 0) ) { return NULL; @@ -239,6 +300,8 @@ char *sqldataExtractContent(LogContext *log, xmlNode *sql_n) { chld_n = chld_n->next; } return xmlNodeToString(log, chld_n); + } else if( valtype && (strcmp(valtype, "array") == 0) ) { + return sqldataValueArray(log, sql_n); } else { return sqldataValueHash(log, sql_n); } @@ -259,6 +322,11 @@ char *sqldataExtractContent(LogContext *log, xmlNode *sql_n) { int sqldataGetFid(LogContext *log, xmlNode *sql_n, const char *fname) { xmlNode *f_n = NULL; + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return -2; + } + if( !sql_n || (xmlStrcmp(sql_n->name, (xmlChar *) "sqldata") != 0) ) { writelog(log, LOG_ERR, "sqldataGetFid: Input XML document is not a valid sqldata document"); @@ -310,6 +378,11 @@ char *sqldataGetValue(LogContext *log, xmlDoc *sqld, const char *fname, int reci xmlNode *r_n = NULL; int fid = -3, rc = 0; + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return NULL; + } + if( recid < 0 ) { writelog(log, LOG_ERR, "sqldataGetValue: Invalid recid"); return NULL; @@ -384,6 +457,11 @@ xmlDoc *sqldataGetHostInfo(LogContext *log, xsltStylesheet *xslt, xmlDoc *summar xmlDoc *hostinfo_d = NULL; parseParams prms; + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return NULL; + } + memset(&prms, 0, sizeof(parseParams)); prms.table = "systems_hostname"; prms.syskey = syskey; @@ -423,6 +501,11 @@ int sqldataGetRequiredSchemaVer(LogContext *log, xmlNode *sqldata_root) char *schver = NULL, *cp = NULL, *ptr = NULL; int majv = 0, minv = 0; + if( xmlparser_dbhelpers == NULL ) { + writelog(log, LOG_ERR, "Programming error: xmlparser is not initialised"); + return -1; + } + if( !sqldata_root || (xmlStrcmp(sqldata_root->name, (xmlChar *) "sqldata") != 0) ) { writelog(log, LOG_ERR, "sqldataGetRequiredSchemaVer: Invalid document node"); return -1; |