fix: @pmFromFile with multiple files issue

src/operators/pm_from_file.cc

@@ -20,7 +20,9 @@
 #include "src/operators/operator.h"
 #include "src/utils/https_client.h"
 #include "src/utils/system.h"
+#include "src/utils/string.h"
 
+using namespace modsecurity::utils::string;
 
 namespace modsecurity {
 namespace operators {
@@ -44,39 +46,47 @@ bool PmFromFile::isComment(const std::string &s) {
 }
 
 bool PmFromFile::init(const std::string &config, std::string *error) {
-    std::istream *iss;
-
-    if (m_param.compare(0, 8, "https://") == 0) {
-        Utils::HttpsClient client;
-        bool ret = client.download(m_param);
-        if (ret == false) {
-            error->assign(client.error);
-            return false;
-        }
-        iss = new std::stringstream(client.content);
-    } else {
-        std::string err;
-        std::string resource = utils::find_resource(m_param, config, &err);
-        iss = new std::ifstream(resource, std::ios::in);
+    std::vector<std::string> tokens = split(m_param, ' ');
+
+    for (const auto& token : tokens) {
+        if (! token.empty()) {
+
+            std::istream *iss;
+
+            if (token.compare(0, 8, "https://") == 0) {
+                Utils::HttpsClient client;
+                bool ret = client.download(token);
+                if (ret == false) {
+                    error->assign(client.error);
+                    return false;
+                }
+                iss = new std::stringstream(client.content);
+            } else {
+                std::string err;
+                std::string resource = utils::find_resource(token, config, &err);
+                iss = new std::ifstream(resource, std::ios::in);
+
+                if (((std::ifstream *)iss)->is_open() == false) {
+                    error->assign("Failed to open file: '" + token + "'. " + err);
+                    delete iss;
+                    return false;
+                }
+            }
+
+            for (std::string line; std::getline(*iss, line); ) {
+                if (isComment(line) == false) {
+                    acmp_add_pattern(m_p, line.c_str(), NULL, NULL, line.length());
+                }
+            }
 
-        if (((std::ifstream *)iss)->is_open() == false) {
-            error->assign("Failed to open file: " + m_param + ". " + err);
             delete iss;
-            return false;
         }
     }
 
-    for (std::string line; std::getline(*iss, line); ) {
-        if (isComment(line) == false) {
-            acmp_add_pattern(m_p, line.c_str(), NULL, NULL, line.length());
-	}
-    }
-
     while (m_p->is_failtree_done == 0) {
         acmp_prepare(m_p);
     }
 
-    delete iss;
     return true;
 }
 

test/test-cases/data/pattern-file1.data

@@ -0,0 +1,2 @@
+# comment
+pattern1

test/test-cases/data/pattern-file2.data

@@ -0,0 +1,2 @@
+# comment
+pattern2

test/test-cases/regression/operator-pmfromfile.json

@@ -0,0 +1,39 @@
+[
+  {
+    "enabled": 1,
+    "version_min": 300000,
+    "version_max": 0,
+    "title": "pmFromFile operator test",
+    "client": {
+      "ip": "10.20.30.40",
+      "port": 2313
+    },
+    "server": {
+      "ip": "1.2.3.4",
+      "port": 80
+    },
+    "request": {
+      "headers": {
+        "Host": "foobar.com"
+      },
+      "uri": "\/test.php?param1=pattern2",
+      "method": "GET",
+      "http_version": 1.1,
+      "body": ""
+    },
+    "response": {
+      "headers": {
+        "Content-Type": "text\/html; charset=utf-8\n\r",
+        "Content-Length": "10\n\r"
+      }
+    },
+    "expected": {
+      "debug_log": "Rule returned 1",
+      "http_code": 403
+    },
+    "rules": [
+      "SecRuleEngine On",
+      "SecRule ARGS \"@pmFromFile test-cases/data/pattern-file1.data test-cases/data/pattern-file2.data\" \"phase:1,id:999,deny\""
+    ]
+  }
+]

test/test-suite.in

@@ -86,6 +86,7 @@ TESTS+=test/test-cases/regression/operator-fuzzyhash.json
 TESTS+=test/test-cases/regression/operator-inpectFile.json
 TESTS+=test/test-cases/regression/operator-ipMatchFromFile.json
 TESTS+=test/test-cases/regression/operator-pm.json
+TESTS+=test/test-cases/regression/operator-pmfromfile.json
 TESTS+=test/test-cases/regression/operator-rx.json
 TESTS+=test/test-cases/regression/operator-rxGlobal.json
 TESTS+=test/test-cases/regression/operator-UnconditionalMatch.json