commit f7aee39: [Fix] Fix various issues found by PVS Studio

Vsevolod Stakhov vsevolod at highsecure.ru
Wed Mar 13 15:07:06 UTC 2019


Author: Vsevolod Stakhov
Date: 2019-03-13 15:01:18 +0000
URL: https://github.com/rspamd/rspamd/commit/f7aee39a9dc81ae437e1dcc651a7335a7ae071d3 (HEAD -> master)

[Fix] Fix various issues found by PVS Studio
https://www.viva64.com/

---
 PVS-Studio.cmake                | 547 ++++++++++++++++++++++++++++++++++++++++
 src/client/rspamc.c             |  14 +-
 src/fuzzy_storage.c             |   2 +
 src/libmime/archives.c          |   5 +-
 src/libserver/dkim.c            |   2 +
 src/libserver/milter.c          |   6 +-
 src/libserver/rspamd_symcache.c |   1 -
 src/libserver/task.c            |   2 +-
 src/libutil/http_connection.c   |  19 +-
 src/libutil/logger.c            |   2 +-
 src/libutil/map.c               |   2 +-
 src/libutil/mem_pool.c          |  18 +-
 src/libutil/multipattern.c      |   1 -
 src/libutil/rrd.c               |  13 +-
 src/libutil/shingles.c          |   4 +
 src/lua/lua_common.c            |   4 +-
 src/lua/lua_config.c            |   6 +
 src/lua/lua_html.c              |   3 -
 src/lua/lua_http.c              |   4 +
 src/lua/lua_thread_pool.c       |   2 +-
 src/lua/lua_util.c              |   4 +-
 src/plugins/surbl.c             |   3 -
 22 files changed, 607 insertions(+), 57 deletions(-)

diff --git a/PVS-Studio.cmake b/PVS-Studio.cmake
new file mode 100644
index 000000000..6001f3337
--- /dev/null
+++ b/PVS-Studio.cmake
@@ -0,0 +1,547 @@
+# 2006-2008 (c) Viva64.com Team
+# 2008-2018 (c) OOO "Program Verification Systems"
+#
+# Version 12
+# Apache 2.0 license
+
+cmake_minimum_required(VERSION 2.8.12)
+cmake_policy(SET CMP0054 NEW)
+
+if (PVS_STUDIO_AS_SCRIPT)
+    # This code runs at build time.
+    # It executes pvs-studio-analyzer and propagates its return value.
+
+    set(in_cl_params FALSE)
+    set(additional_args)
+
+    foreach (arg ${PVS_STUDIO_COMMAND})
+        if (NOT in_cl_params)
+            if ("${arg}" STREQUAL "--cl-params")
+                set(in_cl_params TRUE)
+            endif ()
+        else ()
+            # A workaround for macOS frameworks (e.g. QtWidgets.framework)
+            # You can test this workaround on this project: https://github.com/easyaspi314/MidiEditor/tree/gba
+            if (APPLE AND "${arg}" MATCHES "^-I(.*)\\.framework$")
+                STRING(REGEX REPLACE "^-I(.*)\\.framework$" "\\1.framework" framework "${arg}")
+                if (IS_ABSOLUTE "${framework}")
+                    get_filename_component(framework "${framework}" DIRECTORY)
+                    list(APPEND additional_args "-iframework")
+                    list(APPEND additional_args "${framework}")
+                endif ()
+            endif ()
+        endif ()
+    endforeach ()
+
+    execute_process(COMMAND ${PVS_STUDIO_COMMAND} ${additional_args}
+            ERROR_VARIABLE error
+            RESULT_VARIABLE result)
+
+    set(stderr_type "")
+
+    if (result)
+        set(stderr_type FATAL_ERROR)
+    endif ()
+
+    if (result OR error)
+        message(${stderr_type} "${error}")
+    endif ()
+
+    return()
+endif ()
+
+if(__PVS_STUDIO_INCLUDED)
+    return()
+endif()
+set(__PVS_STUDIO_INCLUDED TRUE)
+
+set(PVS_STUDIO_SCRIPT "${CMAKE_CURRENT_LIST_FILE}")
+
+function (pvs_studio_log TEXT)
+    if (PVS_STUDIO_DEBUG)
+        message("PVS-Studio: ${TEXT}")
+    endif ()
+endfunction ()
+
+function (pvs_studio_relative_path VAR ROOT FILEPATH)
+    set("${VAR}" "${FILEPATH}" PARENT_SCOPE)
+    if ("${FILEPATH}" MATCHES "^/.*$" OR "${FILEPATH}" MATCHES "^.:/.*$")
+        file(RELATIVE_PATH RPATH "${ROOT}" "${FILEPATH}")
+        if (NOT "${RPATH}" MATCHES "^\\.\\..*$")
+            set("${VAR}" "${RPATH}" PARENT_SCOPE)
+        endif ()
+    endif ()
+endfunction ()
+
+function (pvs_studio_join_path VAR DIR1 DIR2)
+    if ("${DIR2}" MATCHES "^(/|~|.:/).*$" OR "${DIR1}" STREQUAL "")
+        set("${VAR}" "${DIR2}" PARENT_SCOPE)
+    else ()
+        set("${VAR}" "${DIR1}/${DIR2}" PARENT_SCOPE)
+    endif ()
+endfunction ()
+
+macro (pvs_studio_append_flags_from_property CXX C DIR PREFIX)
+    if (NOT "${PROPERTY}" STREQUAL "NOTFOUND" AND NOT "${PROPERTY}" STREQUAL "PROPERTY-NOTFOUND")
+        foreach (PROP ${PROPERTY})
+            pvs_studio_join_path(PROP "${DIR}" "${PROP}")
+
+            if (APPLE AND "${PREFIX}" STREQUAL "-I" AND IS_ABSOLUTE "${PROP}" AND "${PROP}" MATCHES "\\.framework$")
+                get_filename_component(FRAMEWORK "${PROP}" DIRECTORY)
+                list(APPEND "${CXX}" "-iframework")
+                list(APPEND "${CXX}" "${FRAMEWORK}")
+                list(APPEND "${C}" "-iframework")
+                list(APPEND "${C}" "${FRAMEWORK}")
+                pvs_studio_log("framework: ${FRAMEWORK}")
+            elseif (NOT "${PROP}" STREQUAL "")
+                list(APPEND "${CXX}" "${PREFIX}${PROP}")
+                list(APPEND "${C}" "${PREFIX}${PROP}")
+            endif()
+        endforeach ()
+    endif ()
+endmacro ()
+
+macro (pvs_studio_append_standard_flag FLAGS STANDARD)
+    if ("${STANDARD}" MATCHES "^(99|11|14|17)$")
+        if ("${PVS_STUDIO_PREPROCESSOR}" MATCHES "gcc|clang")
+            list(APPEND "${FLAGS}" "-std=c++${STANDARD}")
+        endif ()
+    endif ()
+endmacro ()
+
+function (pvs_studio_set_directory_flags DIRECTORY CXX C)
+    set(CXX_FLAGS "${${CXX}}")
+    set(C_FLAGS "${${C}}")
+
+    get_directory_property(PROPERTY DIRECTORY "${DIRECTORY}" INCLUDE_DIRECTORIES)
+    pvs_studio_append_flags_from_property(CXX_FLAGS C_FLAGS "${DIRECTORY}" "-I")
+
+    get_directory_property(PROPERTY DIRECTORY "${DIRECTORY}" COMPILE_DEFINITIONS)
+    pvs_studio_append_flags_from_property(CXX_FLAGS C_FLAGS "" "-D")
+
+    set("${CXX}" "${CXX_FLAGS}" PARENT_SCOPE)
+    set("${C}" "${C_FLAGS}" PARENT_SCOPE)
+endfunction ()
+
+function (pvs_studio_set_target_flags TARGET CXX C)
+    set(CXX_FLAGS "${${CXX}}")
+    set(C_FLAGS "${${C}}")
+
+    set(prop_incdirs "$<TARGET_PROPERTY:${TARGET},INCLUDE_DIRECTORIES>")
+    list(APPEND CXX_FLAGS "$<$<BOOL:${prop_incdirs}>:-I$<JOIN:${prop_incdirs},$<SEMICOLON>-I>>")
+    list(APPEND C_FLAGS "$<$<BOOL:${prop_incdirs}>:-I$<JOIN:${prop_incdirs},$<SEMICOLON>-I>>")
+
+    set(prop_compdefs "$<TARGET_PROPERTY:${TARGET},COMPILE_DEFINITIONS>")
+    list(APPEND CXX_FLAGS "$<$<BOOL:${prop_compdefs}>:-D$<JOIN:${prop_compdefs},$<SEMICOLON>-D>>")
+    list(APPEND C_FLAGS "$<$<BOOL:${prop_compdefs}>:-D$<JOIN:${prop_compdefs},$<SEMICOLON>-D>>")
+
+    set("${CXX}" "${CXX_FLAGS}" PARENT_SCOPE)
+    set("${C}" "${C_FLAGS}" PARENT_SCOPE)
+endfunction ()
+
+function (pvs_studio_set_source_file_flags SOURCE)
+    set(LANGUAGE "")
+
+    string(TOLOWER "${SOURCE}" SOURCE_LOWER)
+    if ("${LANGUAGE}" STREQUAL "" AND "${SOURCE_LOWER}" MATCHES "^.*\\.(c|cpp|cc|cx|cxx|cp|c\\+\\+)$")
+        if ("${SOURCE}" MATCHES "^.*\\.c$")
+            set(LANGUAGE C)
+        else ()
+            set(LANGUAGE CXX)
+        endif ()
+    endif ()
+
+    if ("${LANGUAGE}" STREQUAL "C")
+        set(CL_PARAMS ${PVS_STUDIO_C_FLAGS} ${PVS_STUDIO_TARGET_C_FLAGS} -DPVS_STUDIO)
+    elseif ("${LANGUAGE}" STREQUAL "CXX")
+        set(CL_PARAMS ${PVS_STUDIO_CXX_FLAGS} ${PVS_STUDIO_TARGET_CXX_FLAGS} -DPVS_STUDIO)
+    endif ()
+
+    set(PVS_STUDIO_LANGUAGE "${LANGUAGE}" PARENT_SCOPE)
+    set(PVS_STUDIO_CL_PARAMS "${CL_PARAMS}" PARENT_SCOPE)
+endfunction ()
+
+function (pvs_studio_analyze_file SOURCE SOURCE_DIR BINARY_DIR)
+    set(PLOGS ${PVS_STUDIO_PLOGS})
+    pvs_studio_set_source_file_flags("${SOURCE}")
+
+    get_filename_component(SOURCE "${SOURCE}" REALPATH)
+
+    get_source_file_property(PROPERTY "${SOURCE}" HEADER_FILE_ONLY)
+    if (PROPERTY)
+        return()
+    endif ()
+
+    pvs_studio_relative_path(SOURCE_RELATIVE "${SOURCE_DIR}" "${SOURCE}")
+    pvs_studio_join_path(SOURCE "${SOURCE_DIR}" "${SOURCE}")
+
+    set(LOG "${BINARY_DIR}/PVS-Studio/${SOURCE_RELATIVE}.plog")
+    get_filename_component(LOG "${LOG}" REALPATH)
+    get_filename_component(PARENT_DIR "${LOG}" DIRECTORY)
+
+    if (EXISTS "${SOURCE}" AND NOT TARGET "${LOG}" AND NOT "${PVS_STUDIO_LANGUAGE}" STREQUAL "")
+        # A workaround to support implicit dependencies for ninja generators.
+        set(depPvsArg)
+        set(depCommandArg)
+        if (CMAKE_VERSION VERSION_GREATER 3.6 AND "${CMAKE_GENERATOR}" STREQUAL "Ninja")
+            pvs_studio_relative_path(relLog "${CMAKE_BINARY_DIR}" "${LOG}")
+            set(depPvsArg --dep-file "${LOG}.d" --dep-file-target "${relLog}")
+            set(depCommandArg DEPFILE "${LOG}.d")
+        endif ()
+
+        # https://public.kitware.com/Bug/print_bug_page.php?bug_id=14353
+        # https://public.kitware.com/Bug/file/5436/expand_command.cmake
+        #
+        # It is a workaround to expand generator expressions.
+        set(cmdline "${PVS_STUDIO_BIN}" analyze
+                --output-file "${LOG}"
+                --source-file "${SOURCE}"
+                ${depPvsArg}
+                ${PVS_STUDIO_ARGS}
+                --cl-params "${PVS_STUDIO_CL_PARAMS}" "${SOURCE}")
+
+        string(REPLACE ";" "$<SEMICOLON>" cmdline "${cmdline}")
+        set(pvscmd "${CMAKE_COMMAND}"
+                -D PVS_STUDIO_AS_SCRIPT=TRUE
+                -D "PVS_STUDIO_COMMAND=${cmdline}"
+                -P "${PVS_STUDIO_SCRIPT}"
+                )
+
+        add_custom_command(OUTPUT "${LOG}"
+                COMMAND "${CMAKE_COMMAND}" -E make_directory "${PARENT_DIR}"
+                COMMAND "${CMAKE_COMMAND}" -E remove_directory "${LOG}"
+                COMMAND ${pvscmd}
+                WORKING_DIRECTORY "${BINARY_DIR}"
+                DEPENDS "${SOURCE}" "${PVS_STUDIO_CONFIG}"
+                IMPLICIT_DEPENDS "${PVS_STUDIO_LANGUAGE}" "${SOURCE}"
+                ${depCommandArg}
+                VERBATIM
+                COMMENT "Analyzing ${PVS_STUDIO_LANGUAGE} file ${SOURCE_RELATIVE}")
+        list(APPEND PLOGS "${LOG}")
+    endif ()
+    set(PVS_STUDIO_PLOGS "${PLOGS}" PARENT_SCOPE)
+endfunction ()
+
+function (pvs_studio_analyze_target TARGET DIR)
+    set(PVS_STUDIO_PLOGS "${PVS_STUDIO_PLOGS}")
+    set(PVS_STUDIO_TARGET_CXX_FLAGS "")
+    set(PVS_STUDIO_TARGET_C_FLAGS "")
+
+    get_target_property(PROPERTY "${TARGET}" SOURCES)
+    pvs_studio_relative_path(BINARY_DIR "${CMAKE_SOURCE_DIR}" "${DIR}")
+    if ("${BINARY_DIR}" MATCHES "^/.*$")
+        pvs_studio_join_path(BINARY_DIR "${CMAKE_BINARY_DIR}" "PVS-Studio/__${BINARY_DIR}")
+    else ()
+        pvs_studio_join_path(BINARY_DIR "${CMAKE_BINARY_DIR}" "${BINARY_DIR}")
+    endif ()
+
+    file(MAKE_DIRECTORY "${BINARY_DIR}")
+
+    pvs_studio_set_directory_flags("${DIR}" PVS_STUDIO_TARGET_CXX_FLAGS PVS_STUDIO_TARGET_C_FLAGS)
+    pvs_studio_set_target_flags("${TARGET}" PVS_STUDIO_TARGET_CXX_FLAGS PVS_STUDIO_TARGET_C_FLAGS)
+
+    if (NOT "${PROPERTY}" STREQUAL "NOTFOUND" AND NOT "${PROPERTY}" STREQUAL "PROPERTY-NOTFOUND")
+        foreach (SOURCE ${PROPERTY})
+            pvs_studio_join_path(SOURCE "${DIR}" "${SOURCE}")
+            pvs_studio_analyze_file("${SOURCE}" "${DIR}" "${BINARY_DIR}")
+        endforeach ()
+    endif ()
+
+    set(PVS_STUDIO_PLOGS "${PVS_STUDIO_PLOGS}" PARENT_SCOPE)
+endfunction ()
+
+set(PVS_STUDIO_RECURSIVE_TARGETS)
+set(PVS_STUDIO_RECURSIVE_TARGETS_NEW)
+
+macro(pvs_studio_get_recursive_targets TARGET)
+    get_target_property(libs "${TARGET}" LINK_LIBRARIES)
+    foreach (lib IN LISTS libs)
+        list(FIND PVS_STUDIO_RECURSIVE_TARGETS "${lib}" index)
+        if (TARGET "${lib}" AND "${index}" STREQUAL -1)
+            get_target_property(target_type "${lib}" TYPE)
+            if (NOT "${target_type}" STREQUAL "INTERFACE_LIBRARY")
+                list(APPEND PVS_STUDIO_RECURSIVE_TARGETS "${lib}")
+                list(APPEND PVS_STUDIO_RECURSIVE_TARGETS_NEW "${lib}")
+                pvs_studio_get_recursive_targets("${lib}")
+            endif ()
+        endif ()
+    endforeach ()
+endmacro()
+
+option(PVS_STUDIO_DISABLE OFF "Disable PVS-Studio targets")
+option(PVS_STUDIO_DEBUG OFF "Add debug info")
+
+# pvs_studio_add_target
+# Target options:
+# ALL                           add PVS-Studio target to default build (default: off)
+# TARGET target                 name of analysis target (default: pvs)
+# ANALYZE targets...            targets to analyze
+# RECURSIVE                     analyze target's dependencies (requires CMake 3.5+)
+# COMPILE_COMMANDS              use compile_commands.json instead of targets (specified by the 'ANALYZE' option) to determine files for analysis
+#                               (set CMAKE_EXPORT_COMPILE_COMMANDS, available only for Makefile and Ninja generators)
+#
+# Output options:
+# OUTPUT                        prints report to stdout
+# LOG path                      path to report (default: ${CMAKE_CURRENT_BINARY_DIR}/PVS-Studio.log)
+# FORMAT format                 format of report
+# MODE mode                     analyzers/levels filter (default: GA:1,2)
+# HIDE_HELP                     do not print help message
+#
+# Analyzer options:
+# PLATFORM name                 linux32/linux64 (default: linux64)
+# PREPROCESSOR name             preprocessor type: gcc/clang (default: auto detected)
+# LICENSE path                  path to PVS-Studio.lic (default: ~/.config/PVS-Studio/PVS-Studio.lic)
+# CONFIG path                   path to PVS-Studio.cfg
+# CFG_TEXT text                 embedded PVS-Studio.cfg
+# KEEP_COMBINED_PLOG            do not delete combined plog file *.pvs.raw for further processing with plog-converter
+#
+# Misc options:
+# DEPENDS targets..             additional target dependencies
+# SOURCES path...               list of source files to analyze
+# BIN path                      path to pvs-studio-analyzer (Unix) or CompilerCommandsAnalyzer.exe (Windows)
+# CONVERTER path                path to plog-converter (Unix) or HtmlGenerator.exe (Windows)
+# C_FLAGS flags...              additional C_FLAGS
+# CXX_FLAGS flags...            additional CXX_FLAGS
+# ARGS args...                  additional pvs-studio-analyzer/CompilerCommandsAnalyzer.exe flags
+function (pvs_studio_add_target)
+    macro (default VAR VALUE)
+        if ("${${VAR}}" STREQUAL "")
+            set("${VAR}" "${VALUE}")
+        endif ()
+    endmacro ()
+
+    set(PVS_STUDIO_SUPPORTED_PREPROCESSORS "gcc|clang|visualcpp")
+    if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+        set(DEFAULT_PREPROCESSOR "clang")
+    elseif (MSVC)
+        set(DEFAULT_PREPROCESSOR "visualcpp")
+    else ()
+        set(DEFAULT_PREPROCESSOR "gcc")
+    endif ()
+
+    set(OPTIONAL OUTPUT ALL RECURSIVE HIDE_HELP KEEP_COMBINED_PLOG COMPILE_COMMANDS)
+    set(SINGLE LICENSE CONFIG TARGET LOG FORMAT BIN CONVERTER PLATFORM PREPROCESSOR CFG_TEXT)
+    set(MULTI SOURCES C_FLAGS CXX_FLAGS ARGS DEPENDS ANALYZE MODE)
+    cmake_parse_arguments(PVS_STUDIO "${OPTIONAL}" "${SINGLE}" "${MULTI}" ${ARGN})
+
+    if ("${PVS_STUDIO_CONFIG}" STREQUAL "" OR NOT "${PVS_STUDIO_CFG_TEXT}" STREQUAL "")
+        set(PVS_STUDIO_EMPTY_CONFIG ON)
+    else ()
+        set(PVS_STUDIO_EMPTY_CONFIG OFF)
+    endif ()
+
+    default(PVS_STUDIO_CFG_TEXT "analysis-mode=31")
+    default(PVS_STUDIO_CONFIG "${CMAKE_BINARY_DIR}/PVS-Studio.cfg")
+    default(PVS_STUDIO_C_FLAGS "")
+    default(PVS_STUDIO_CXX_FLAGS "")
+    default(PVS_STUDIO_TARGET "pvs")
+    default(PVS_STUDIO_LOG "PVS-Studio.log")
+
+    set(PATHS)
+    if (WIN32)
+        set(ROOT "PROGRAMFILES(X86)")
+        set(ROOT "$ENV{${ROOT}}/PVS-Studio")
+        string(REPLACE \\ / ROOT "${ROOT}")
+
+        if (EXISTS "${ROOT}")
+            set(PATHS "${ROOT}")
+        endif ()
+
+        default(PVS_STUDIO_BIN "CompilerCommandsAnalyzer.exe")
+        default(PVS_STUDIO_CONVERTER "HtmlGenerator.exe")
+    else ()
+        default(PVS_STUDIO_BIN "pvs-studio-analyzer")
+        default(PVS_STUDIO_CONVERTER "plog-converter")
+    endif ()
+
+    find_program(PVS_STUDIO_BIN_PATH "${PVS_STUDIO_BIN}" ${PATHS})
+    set(PVS_STUDIO_BIN "${PVS_STUDIO_BIN_PATH}")
+
+    if (NOT EXISTS "${PVS_STUDIO_BIN}")
+        message(FATAL_ERROR "pvs-studio-analyzer is not found")
+    endif ()
+
+    find_program(PVS_STUDIO_CONVERTER_PATH "${PVS_STUDIO_CONVERTER}" ${PATHS})
+    set(PVS_STUDIO_CONVERTER "${PVS_STUDIO_CONVERTER_PATH}")
+
+    if (NOT EXISTS "${PVS_STUDIO_CONVERTER}")
+        message(FATAL_ERROR "plog-converter is not found")
+    endif ()
+
+    default(PVS_STUDIO_MODE "GA:1,2")
+    default(PVS_STUDIO_PREPROCESSOR "${DEFAULT_PREPROCESSOR}")
+    if (WIN32)
+        default(PVS_STUDIO_PLATFORM "x64")
+    else ()
+        default(PVS_STUDIO_PLATFORM "linux64")
+    endif ()
+
+    string(REPLACE ";" "+" PVS_STUDIO_MODE "${PVS_STUDIO_MODE}")
+
+    if (PVS_STUDIO_EMPTY_CONFIG)
+        set(PVS_STUDIO_CONFIG_COMMAND "${CMAKE_COMMAND}" -E echo "${PVS_STUDIO_CFG_TEXT}" > "${PVS_STUDIO_CONFIG}")
+    else ()
+        set(PVS_STUDIO_CONFIG_COMMAND "${CMAKE_COMMAND}" -E touch "${PVS_STUDIO_CONFIG}")
+    endif ()
+
+    add_custom_command(OUTPUT "${PVS_STUDIO_CONFIG}"
+            COMMAND ${PVS_STUDIO_CONFIG_COMMAND}
+            WORKING_DIRECTORY "${BINARY_DIR}"
+            COMMENT "Generating PVS-Studio.cfg")
+
+    if (NOT "${PVS_STUDIO_PREPROCESSOR}" MATCHES "^${PVS_STUDIO_SUPPORTED_PREPROCESSORS}$")
+        message(FATAL_ERROR "Preprocessor ${PVS_STUDIO_PREPROCESSOR} isn't supported. Available options: ${PVS_STUDIO_SUPPORTED_PREPROCESSORS}.")
+    endif ()
+
+    pvs_studio_append_standard_flag(PVS_STUDIO_CXX_FLAGS "${CMAKE_CXX_STANDARD}")
+    pvs_studio_set_directory_flags("${CMAKE_CURRENT_SOURCE_DIR}" PVS_STUDIO_CXX_FLAGS PVS_STUDIO_C_FLAGS)
+
+    if (NOT "${PVS_STUDIO_LICENSE}" STREQUAL "")
+        pvs_studio_join_path(PVS_STUDIO_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}" "${PVS_STUDIO_LICENSE}")
+        list(APPEND PVS_STUDIO_ARGS --lic-file "${PVS_STUDIO_LICENSE}")
+    endif ()
+
+    list(APPEND PVS_STUDIO_ARGS --cfg "${PVS_STUDIO_CONFIG}"
+            --platform "${PVS_STUDIO_PLATFORM}"
+            --preprocessor "${PVS_STUDIO_PREPROCESSOR}")
+
+    if (NOT "${CMAKE_CXX_COMPILER}" STREQUAL "")
+        list(APPEND PVS_STUDIO_ARGS --cxx "${CMAKE_CXX_COMPILER}")
+    endif ()
+
+    if (NOT "${CMAKE_C_COMPILER}" STREQUAL "")
+        list(APPEND PVS_STUDIO_ARGS --cc "${CMAKE_C_COMPILER}")
+    endif ()
+
+    set(PVS_STUDIO_PLOGS "")
+
+    set(PVS_STUDIO_RECURSIVE_TARGETS_NEW)
+    if (${PVS_STUDIO_RECURSIVE})
+        foreach (TARGET IN LISTS PVS_STUDIO_ANALYZE)
+            list(APPEND PVS_STUDIO_RECURSIVE_TARGETS_NEW "${TARGET}")
+            pvs_studio_get_recursive_targets("${TARGET}")
+        endforeach ()
+    endif ()
+
+    set(inc_path)
+
+    foreach (TARGET ${PVS_STUDIO_ANALYZE})
+        set(DIR "${CMAKE_CURRENT_SOURCE_DIR}")
+        string(FIND "${TARGET}" ":" DELIM)
+        if ("${DELIM}" GREATER "-1")
+            math(EXPR DELIMI "${DELIM}+1")
+            string(SUBSTRING "${TARGET}" "${DELIMI}" "-1" DIR)
+            string(SUBSTRING "${TARGET}" "0" "${DELIM}" TARGET)
+            pvs_studio_join_path(DIR "${CMAKE_CURRENT_SOURCE_DIR}" "${DIR}")
+        else ()
+            get_target_property(TARGET_SOURCE_DIR "${TARGET}" SOURCE_DIR)
+            if (EXISTS "${TARGET_SOURCE_DIR}")
+                set(DIR "${TARGET_SOURCE_DIR}")
+            endif ()
+        endif ()
+        pvs_studio_analyze_target("${TARGET}" "${DIR}")
+        list(APPEND PVS_STUDIO_DEPENDS "${TARGET}")
+
+        if ("${inc_path}" STREQUAL "")
+            set(inc_path "$<TARGET_PROPERTY:${TARGET},INCLUDE_DIRECTORIES>")
+        else ()
+            set(inc_path "${inc_path}$<SEMICOLON>$<TARGET_PROPERTY:${TARGET},INCLUDE_DIRECTORIES>")
+        endif ()
+    endforeach ()
+
+    foreach (TARGET ${PVS_STUDIO_RECURSIVE_TARGETS_NEW})
+        set(DIR "${CMAKE_CURRENT_SOURCE_DIR}")
+        get_target_property(TARGET_SOURCE_DIR "${TARGET}" SOURCE_DIR)
+        if (EXISTS "${TARGET_SOURCE_DIR}")
+            set(DIR "${TARGET_SOURCE_DIR}")
+        endif ()
+        pvs_studio_analyze_target("${TARGET}" "${DIR}")
+        list(APPEND PVS_STUDIO_DEPENDS "${TARGET}")
+    endforeach ()
+
+    set(PVS_STUDIO_TARGET_CXX_FLAGS "")
+    set(PVS_STUDIO_TARGET_C_FLAGS "")
+    foreach (SOURCE ${PVS_STUDIO_SOURCES})
+        pvs_studio_analyze_file("${SOURCE}" "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}")
+    endforeach ()
+
+    if (PVS_STUDIO_COMPILE_COMMANDS)
+        set(COMPILE_COMMANDS_LOG "${PVS_STUDIO_LOG}.pvs.analyzer.raw")
+        if (NOT CMAKE_EXPORT_COMPILE_COMMANDS)
+            message(FATAL_ERROR "You should set CMAKE_EXPORT_COMPILE_COMMANDS to TRUE")
+        endif ()
+        add_custom_command(
+                OUTPUT "${COMPILE_COMMANDS_LOG}"
+                COMMAND "${PVS_STUDIO_BIN}" analyze -i
+                --output-file "${COMPILE_COMMANDS_LOG}.always"
+                ${PVS_STUDIO_ARGS}
+                COMMENT "Analyzing with PVS-Studio"
+                WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+                DEPENDS "${PVS_STUDIO_CONFIG}"
+        )
+        list(APPEND PVS_STUDIO_PLOGS_LOGS "${COMPILE_COMMANDS_LOG}.always")
+        list(APPEND PVS_STUDIO_PLOGS_DEPENDENCIES "${COMPILE_COMMANDS_LOG}")
+    endif ()
+
+    pvs_studio_relative_path(LOG_RELATIVE "${CMAKE_BINARY_DIR}" "${PVS_STUDIO_LOG}")
+    if (PVS_STUDIO_PLOGS OR PVS_STUDIO_COMPILE_COMMANDS)
+        if (WIN32)
+            string(REPLACE / \\ PVS_STUDIO_PLOGS "${PVS_STUDIO_PLOGS}")
+        endif ()
+        if (WIN32)
+            set(COMMANDS COMMAND type ${PVS_STUDIO_PLOGS} ${PVS_STUDIO_PLOGS_LOGS} > "${PVS_STUDIO_LOG}" 2>nul)
+        else ()
+            set(COMMANDS COMMAND cat ${PVS_STUDIO_PLOGS} ${PVS_STUDIO_PLOGS_LOGS} > "${PVS_STUDIO_LOG}")
+        endif ()
+        set(COMMENT "Generating ${LOG_RELATIVE}")
+        if (NOT "${PVS_STUDIO_FORMAT}" STREQUAL "" OR PVS_STUDIO_OUTPUT)
+            if ("${PVS_STUDIO_FORMAT}" STREQUAL "")
+                set(PVS_STUDIO_FORMAT "errorfile")
+            endif ()
+            list(APPEND COMMANDS
+                    COMMAND "${CMAKE_COMMAND}" -E remove -f "${PVS_STUDIO_LOG}.pvs.raw"
+                    COMMAND "${CMAKE_COMMAND}" -E rename "${PVS_STUDIO_LOG}" "${PVS_STUDIO_LOG}.pvs.raw"
+                    COMMAND "${PVS_STUDIO_CONVERTER}" -t "${PVS_STUDIO_FORMAT}" "${PVS_STUDIO_LOG}.pvs.raw" -o "${PVS_STUDIO_LOG}" -a "${PVS_STUDIO_MODE}"
+                    )
+            if(NOT PVS_STUDIO_KEEP_COMBINED_PLOG)
+                list(APPEND COMMANDS COMMAND "${CMAKE_COMMAND}" -E remove -f "${PVS_STUDIO_LOG}.pvs.raw")
+            endif()
+        endif ()
+    else ()
+        set(COMMANDS COMMAND "${CMAKE_COMMAND}" -E touch "${PVS_STUDIO_LOG}")
+        set(COMMENT "Generating ${LOG_RELATIVE}: no sources found")
+    endif ()
+
+    if (WIN32)
+        string(REPLACE / \\ PVS_STUDIO_LOG "${PVS_STUDIO_LOG}")
+    endif ()
+
+    add_custom_command(OUTPUT "${PVS_STUDIO_LOG}"
+            ${COMMANDS}
+            COMMENT "${COMMENT}"
+            DEPENDS ${PVS_STUDIO_PLOGS} ${PVS_STUDIO_PLOGS_DEPENDENCIES}
+            WORKING_DIRECTORY "${CMAKE_BINARY_DIR}")
+
+    if (PVS_STUDIO_ALL)
+        set(ALL "ALL")
+    else ()
+        set(ALL "")
+    endif ()
+
+    if (PVS_STUDIO_OUTPUT)
+        if (PVS_STUDIO_HIDE_HELP AND NOT WIN32)
+            set(COMMANDS COMMAND grep -v " error: Help:" ${PVS_STUDIO_LOG} 1>&2 || exit 0)
+        elseif (WIN32)
+            set(COMMANDS COMMAND type "${PVS_STUDIO_LOG}" 1>&2)
+        else ()
+            set(COMMANDS COMMAND cat "${PVS_STUDIO_LOG}" 1>&2)
+        endif()
+    else ()
+        set(COMMANDS "")
+    endif ()
+
+    add_custom_target("${PVS_STUDIO_TARGET}" ${ALL} ${COMMANDS} WORKING_DIRECTORY "${CMAKE_BINARY_DIR}" DEPENDS ${PVS_STUDIO_DEPENDS} "${PVS_STUDIO_LOG}")
+
+    # A workaround to add implicit dependencies of source files from include directories
+    set_target_properties("${PVS_STUDIO_TARGET}" PROPERTIES INCLUDE_DIRECTORIES "${inc_path}")
+endfunction ()
\ No newline at end of file
diff --git a/src/client/rspamc.c b/src/client/rspamc.c
index 0568692b4..927097e18 100644
--- a/src/client/rspamc.c
+++ b/src/client/rspamc.c
@@ -680,15 +680,15 @@ add_options (GQueue *opts)
 
 		if (kv == NULL || kv[1] == NULL) {
 			ADD_CLIENT_HEADER (opts, *hdr, "");
-
-			if (kv) {
-				g_strfreev (kv);
-			}
 		}
 		else {
 			ADD_CLIENT_HEADER (opts, kv[0], kv[1]);
 		}
 
+		if (kv) {
+			g_strfreev (kv);
+		}
+
 		hdr ++;
 	}
 }
@@ -1006,9 +1006,9 @@ rspamc_counters_sort (const ucl_object_t **o1, const ucl_object_t **o2)
 					order2 = ucl_object_toint (elt2);
 				}
 			}
-
-			g_strfreev (args);
 		}
+
+		g_strfreev (args);
 	}
 
 	return (inverse ? (order2 - order1) : (order1 - order2));
@@ -2008,7 +2008,7 @@ main (gint argc, gchar **argv, gchar **env)
 	g_queue_free_full (kwattrs, g_free);
 
 	/* Wait for children processes */
-	cur = g_list_first (children);
+	cur = children ? g_list_first (children) : NULL;
 	ret = 0;
 
 	while (cur) {
diff --git a/src/fuzzy_storage.c b/src/fuzzy_storage.c
index 7fdce82ae..2054633ad 100644
--- a/src/fuzzy_storage.c
+++ b/src/fuzzy_storage.c
@@ -599,6 +599,7 @@ rspamd_fuzzy_send_update_mirror (struct rspamd_fuzzy_storage_ctx *ctx,
 	conn->mirror = m;
 
 	if (conn->up == NULL) {
+		g_free (conn);
 		msg_err ("cannot select upstream for %s", m->name);
 		return;
 	}
@@ -608,6 +609,7 @@ rspamd_fuzzy_send_update_mirror (struct rspamd_fuzzy_storage_ctx *ctx,
 			SOCK_STREAM, TRUE);
 
 	if (conn->sock == -1) {
+		g_free (conn);
 		msg_err ("cannot connect upstream for %s", m->name);
 		rspamd_upstream_fail (conn->up, TRUE);
 		return;
diff --git a/src/libmime/archives.c b/src/libmime/archives.c
index f546570a9..b84670761 100644
--- a/src/libmime/archives.c
+++ b/src/libmime/archives.c
@@ -1146,12 +1146,14 @@ rspamd_7zip_read_coders_info (struct rspamd_task *task,
 					return NULL;
 				}
 
-				folder_nstreams = g_alloca (sizeof (int) * num_folders);
+				folder_nstreams = g_malloc (sizeof (int) * num_folders);
 
 				for (i = 0; i < num_folders && p != NULL && p < end; i++) {
 					p = rspamd_7zip_read_folder (task, p, end, arch,
 							&folder_nstreams[i], &num_digests);
 				}
+
+				g_free (folder_nstreams);
 			}
 			break;
 		case kCodersUnPackSize:
@@ -1499,6 +1501,7 @@ rspamd_7zip_read_files_info (struct rspamd_task *task,
 					if (fend == NULL || fend - p == 0) {
 						/* Crap instead of fname */
 						msg_debug_archive ("bad 7zip name; %s", G_STRLOC);
+						goto end;
 					}
 
 					res = rspamd_7zip_ucs2_to_utf8 (task, p, fend);
diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c
index 9692d1b93..8100f8ee3 100644
--- a/src/libserver/dkim.c
+++ b/src/libserver/dkim.c
@@ -2664,6 +2664,7 @@ rspamd_dkim_sign_key_load (const gchar *key, gsize len,
 		if (stat (key, &st) != 0) {
 			g_set_error (err, dkim_error_quark (), DKIM_SIGERROR_KEYFAIL,
 					"cannot stat key file: '%s' %s", key, strerror (errno));
+			g_free (nkey);
 
 			return NULL;
 		}
@@ -2674,6 +2675,7 @@ rspamd_dkim_sign_key_load (const gchar *key, gsize len,
 		if (map == NULL) {
 			g_set_error (err, dkim_error_quark (), DKIM_SIGERROR_KEYFAIL,
 					"cannot map key file: '%s' %s", key, strerror (errno));
+			g_free (nkey);
 
 			return NULL;
 		}
diff --git a/src/libserver/milter.c b/src/libserver/milter.c
*** OUTPUT TRUNCATED, 371 LINES SKIPPED ***


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