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handle invalid escape sequence passed to strmatch operator #8

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Merged
merged 1 commit into from
Nov 9, 2012
Merged

handle invalid escape sequence passed to strmatch operator #8

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9 changes: 8 additions & 1 deletion apache2/re_operators.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2394,6 +2394,7 @@ static int msre_op_endsWith_execute(modsec_rec *msr, msre_rule *rule, msre_var *

static int msre_op_strmatch_param_init(msre_rule *rule, char **error_msg) {
const apr_strmatch_pattern *compiled_pattern;
char *processed = NULL;
const char *pattern = rule->op_param;
unsigned short int op_len;

Expand All @@ -2402,8 +2403,14 @@ static int msre_op_strmatch_param_init(msre_rule *rule, char **error_msg) {

op_len = strlen(pattern);

/* Process pattern */
processed = parse_pm_content(pattern, op_len, rule, error_msg);
if (processed == NULL) {
return 0;
}

/* Compile pattern */
compiled_pattern = apr_strmatch_precompile(rule->ruleset->mp, parse_pm_content(pattern, op_len, rule, error_msg), 1);
compiled_pattern = apr_strmatch_precompile(rule->ruleset->mp, processed, 1);
if (compiled_pattern == NULL) {
*error_msg = apr_psprintf(rule->ruleset->mp, "Error compiling pattern: %s", pattern);
return 0;
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