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/bootpc-0.64/bootp.h
Examining data/bootpc-0.64/bootpc.h
Examining data/bootpc-0.64/bptypes.h
Examining data/bootpc-0.64/bootpc.c
Examining data/bootpc-0.64/log.h
Examining data/bootpc-0.64/main.c

FINAL RESULTS:

data/bootpc-0.64/bootpc.c:615:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(lbuf, "%s_%d", name, i) ;
data/bootpc-0.64/bootpc.c:758:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(envb, "BOOTP_%s=%s", name, lenv) ;
data/bootpc-0.64/main.c:166:5:  [4] (format) vfprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
    vfprintf(logfile, s, args);
data/bootpc-0.64/bootpc.c:153:3:  [3] (random) srand:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
  srand(rancopy) ;
data/bootpc-0.64/main.c:63:14:  [3] (buffer) getopt_long:
  Some older implementations do not protect against internal buffer overflows
  (CWE-120, CWE-20). Check implementation on installation, or limit the size
  of all string inputs.
    option = getopt_long (argc, argv, "", long_options, &option_index);
data/bootpc-0.64/bootp.h:54:14:  [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.
    unsigned char    bp_chaddr[BP_CHADDR_LEN];	/* client hardware address */
data/bootpc-0.64/bootp.h:55:5:  [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	     bp_sname[BP_SNAME_LEN];	/* server host name */
data/bootpc-0.64/bootp.h:56:5:  [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	     bp_file[BP_FILE_LEN];	/* boot file name */
data/bootpc-0.64/bootp.h:57:14:  [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.
    unsigned char    bp_vend[BP_VEND_LEN];	/* vendor-specific area */
data/bootpc-0.64/bootp.h:239:2:  [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		v_magic[4];	/* magic number */
data/bootpc-0.64/bootpc.c:120:5:  [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(ifr.ifr_name, device, strlen(device)+1);
data/bootpc-0.64/bootpc.c:175:5:  [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(bootp_xmit->bp_chaddr+IFHWADDRLEN-1, (char *)(ifr.use_hwaddr), 1) ;
data/bootpc-0.64/bootpc.c:184:5:  [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(bootp_xmit->bp_chaddr,
data/bootpc-0.64/bootpc.c:193:3:  [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(bootp_xmit->bp_vend, mincookie, sizeof(mincookie));
data/bootpc-0.64/bootpc.c:196:3:  [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(bootp_xmit->bp_file, bootfile, strlen(bootfile)+1);
data/bootpc-0.64/bootpc.c:399:7:  [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((char *)&temp, cookie + i + 2, 4) ;
data/bootpc-0.64/bootpc.c:540:9:  [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 name[30] ;
data/bootpc-0.64/bootpc.c:547:2:  [2] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf. Risk is low because the source has a constant maximum length.
	sprintf(name, "T%3.3d", tag) ;
data/bootpc-0.64/bootpc.c:596:3:  [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 lenv[BUFSIZ], *ptr ;
data/bootpc-0.64/bootpc.c:611:5:  [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 lbuf[BUFSIZ] ;
data/bootpc-0.64/bootpc.c:612:5:  [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((char *)&temp, cookie, 4) ;
data/bootpc-0.64/bootpc.c:632:3:  [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 lenv[BUFSIZ];
data/bootpc-0.64/bootpc.c:649:12:  [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.
  unsigned char buf[258] ;  /* Max len is 255 */
data/bootpc-0.64/bootpc.c:650:3:  [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 lenv[BUFSIZ] ;
data/bootpc-0.64/bootpc.c:757:5:  [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 envb[BUFSIZ], *envp ;
data/bootpc-0.64/main.c:120:22:  [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).
      timeout_wait = atoi(optarg) ;
data/bootpc-0.64/main.c:123:21:  [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).
      waitformore = atoi(optarg) ;
data/bootpc-0.64/bootpc.c:120:34:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
    memcpy(ifr.ifr_name, device, strlen(device)+1);
data/bootpc-0.64/bootpc.c:196:41:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
  memcpy(bootp_xmit->bp_file, bootfile, strlen(bootfile)+1);
data/bootpc-0.64/bootpc.c:341:37:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
    logMessage("bp_file len is %d", strlen(bootp_recv->bp_file)) ;
data/bootpc-0.64/bootpc.c:614:9:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
    c = strlen(ptr) ;
data/bootpc-0.64/bootpc.c:617:5:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
    strncpy(lenv+n, ptr, c) ;
data/bootpc-0.64/bootpc.c:634:11:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
    len = strlen((char *)cookie) ;
data/bootpc-0.64/bootpc.c:653:3:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
  strncpy((char *)buf, (char *)(cookie), len) ;
data/bootpc-0.64/bootpc.c:716:55:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
      OutSearch("HOSTSEARCH", (unsigned char *)(c+1), strlen(c+1)) ;
data/bootpc-0.64/main.c:71:11:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
      if (strlen(bootfile) > 127) { /* buffer space for 128 only */
data/bootpc-0.64/main.c:79:11:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
      if (strlen(device) > IFNAMSIZ-1) {  /* only IFNAMSIZ space in struct */

ANALYSIS SUMMARY:

Hits = 37
Lines analyzed = 1315 in approximately 0.05 seconds (26345 lines/second)
Physical Source Lines of Code (SLOC) = 836
Hits@level = [0]   6 [1]  10 [2]  22 [3]   2 [4]   3 [5]   0
Hits@level+ = [0+]  43 [1+]  37 [2+]  27 [3+]   5 [4+]   3 [5+]   0
Hits/KSLOC@level+ = [0+] 51.4354 [1+] 44.2584 [2+] 32.2967 [3+] 5.98086 [4+] 3.58852 [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.