Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/libjson-rpc-cpp-0.7.0/src/examples/simpleclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/simpleserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/stubclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/stubserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/tcpsocketclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/tcpsocketserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/unixdomainsocketclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/unixdomainsocketserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/examples/xbmcremote.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/batchcall.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/batchcall.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/batchresponse.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/batchresponse.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/client.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/client.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/httpclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/httpclient.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/linuxtcpsocketclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/linuxtcpsocketclient.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/tcpsocketclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/tcpsocketclient.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/tcpsocketclientprivate.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/unixdomainsocketclient.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/windowstcpsocketclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/windowstcpsocketclient.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/unixdomainsocketclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/iclientconnector.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/rpcprotocolclient.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/rpcprotocolclient.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/errors.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/errors.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/exception.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/exception.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/procedure.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/procedure.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specification.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specificationparser.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specificationwriter.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specificationwriter.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specificationparser.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/abstractprotocolhandler.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/abstractprotocolhandler.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/abstractserver.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/abstractserverconnector.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/abstractserverconnector.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/linuxtcpsocketserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/linuxtcpsocketserver.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/tcpsocketserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/tcpsocketserver.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/unixdomainsocketserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/unixdomainsocketserver.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/windowstcpsocketserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/windowstcpsocketserver.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/httpserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/httpserver.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/iclientconnectionhandler.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/iprocedureinvokationhandler.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/requesthandlerfactory.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/requesthandlerfactory.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/rpcprotocolserver12.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/rpcprotocolserver12.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/rpcprotocolserverv1.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/rpcprotocolserverv1.h Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/rpcprotocolserverv2.cpp Examining data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/rpcprotocolserverv2.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/client/cppclientstubgenerator.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/client/cppclientstubgenerator.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/client/jsclientstubgenerator.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/client/jsclientstubgenerator.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/codegenerator.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/codegenerator.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/helper/cpphelper.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/helper/cpphelper.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/main.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/server/cppserverstubgenerator.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/server/cppserverstubgenerator.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/servertemplate.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/stubgenerator.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/stubgenerator.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/stubgeneratorfactory.cpp Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/stubgeneratorfactory.h Examining data/libjson-rpc-cpp-0.7.0/src/stubgenerator/stubhelper.h Examining data/libjson-rpc-cpp-0.7.0/src/test/checkexception.h Examining data/libjson-rpc-cpp-0.7.0/src/test/main.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/mockclientconnectionhandler.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/mockclientconnectionhandler.h Examining data/libjson-rpc-cpp-0.7.0/src/test/mockclientconnector.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/mockclientconnector.h Examining data/libjson-rpc-cpp-0.7.0/src/test/mockserverconnector.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/mockserverconnector.h Examining data/libjson-rpc-cpp-0.7.0/src/test/test_client.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_common.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_connector_http.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_connector_tcpsocket.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_connector_unixdomainsocket.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_integration.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_server.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/test_stubgenerator.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/testserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/testserver.h Examining data/libjson-rpc-cpp-0.7.0/src/test/testhttpserver.cpp Examining data/libjson-rpc-cpp-0.7.0/src/test/testhttpserver.h FINAL RESULTS: data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/unixdomainsocketserver.cpp:42:7: [4] (race) access: This usually indicates a security flaw. If an attacker can change anything along the path between the call to access() and the file's actual use (e.g., by moving files), the attacker can exploit the race condition (CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid()) and try to open the file directly. if (access(this->socket_path.c_str(), F_OK) != -1) data/libjson-rpc-cpp-0.7.0/src/examples/tcpsocketclient.cpp:23:24: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). port = atoi(argv[2]); data/libjson-rpc-cpp-0.7.0/src/examples/tcpsocketserver.cpp:53:28: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). port = atoi(argv[2]); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/httpclient.cpp:43:5: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(s->ptr + s->len, ptr, size * nmemb); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/linuxtcpsocketclient.cpp:45:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buffer[BUFFER_SIZE]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/linuxtcpsocketclient.cpp:138:9: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char port[6]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/unixdomainsocketclient.cpp:43:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buffer[BUFFER_SIZE]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/windowstcpsocketclient.cpp:39:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buffer[BUFFER_SIZE]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/windowstcpsocketclient.cpp:158:17: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char port[6]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specificationparser.cpp:104:16: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). config.open(filename.c_str(), ios::in); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/common/specificationwriter.cpp:39:10: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). file.open(filename.c_str(), ios_base::out); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/linuxtcpsocketserver.cpp:181:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buffer[BUFFER_SIZE]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/unixdomainsocketserver.cpp:174:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buffer[BUFFER_SIZE]; data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/windowstcpsocketserver.cpp:187:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buffer[BUFFER_SIZE]; data/libjson-rpc-cpp-0.7.0/src/stubgenerator/codegenerator.cpp:19:16: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). this->file.open(filename.c_str()); data/libjson-rpc-cpp-0.7.0/src/test/test_stubgenerator.cpp:34:26: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). stdout = fopen("stdout.txt", "w"); data/libjson-rpc-cpp-0.7.0/src/test/test_stubgenerator.cpp:35:26: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). stderr = fopen("stderr.txt", "w"); data/libjson-rpc-cpp-0.7.0/src/examples/simpleserver.cpp:53:13: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). getchar(); data/libjson-rpc-cpp-0.7.0/src/examples/stubserver.cpp:82:5: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). getchar(); data/libjson-rpc-cpp-0.7.0/src/examples/tcpsocketserver.cpp:70:4: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). getchar(); data/libjson-rpc-cpp-0.7.0/src/examples/unixdomainsocketserver.cpp:51:4: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). getchar(); data/libjson-rpc-cpp-0.7.0/src/examples/xbmcremote.cpp:40:10: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). ch = getchar(); data/libjson-rpc-cpp-0.7.0/src/examples/xbmcremote.cpp:44:9: [1] (obsolete) usleep: This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead. usleep(100000); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/client/connectors/unixdomainsocketclient.cpp:76:12: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). nbytes = read(socket_fd, buffer, BUFFER_SIZE); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/linuxtcpsocketserver.cpp:167:4: [1] (obsolete) usleep: This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead. usleep(2500); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/linuxtcpsocketserver.cpp:232:3: [1] (obsolete) usleep: This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead. usleep(1); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/unixdomainsocketserver.cpp:160:4: [1] (obsolete) usleep: This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead. usleep(25000); data/libjson-rpc-cpp-0.7.0/src/jsonrpccpp/server/connectors/unixdomainsocketserver.cpp:178:12: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). nbytes = read(connection_fd, buffer, BUFFER_SIZE); data/libjson-rpc-cpp-0.7.0/src/test/mockclientconnectionhandler.cpp:34:5: [1] (obsolete) usleep: This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead. usleep(timeout*1000); ANALYSIS SUMMARY: Hits = 29 Lines analyzed = 9205 in approximately 0.31 seconds (29369 lines/second) Physical Source Lines of Code (SLOC) = 6415 Hits@level = [0] 21 [1] 12 [2] 16 [3] 0 [4] 1 [5] 0 Hits@level+ = [0+] 50 [1+] 29 [2+] 17 [3+] 1 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 7.79423 [1+] 4.52065 [2+] 2.65004 [3+] 0.155885 [4+] 0.155885 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.