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/xoscope-2.2/esd_gtk.c Examining data/xoscope-2.2/display.h Examining data/xoscope-2.2/comedi.c Examining data/xoscope-2.2/file.h Examining data/xoscope-2.2/func.h Examining data/xoscope-2.2/func.c Examining data/xoscope-2.2/comedi_gtk.c Examining data/xoscope-2.2/esd.c Examining data/xoscope-2.2/config.h Examining data/xoscope-2.2/xoscope_gtk.h Examining data/xoscope-2.2/fft.h Examining data/xoscope-2.2/fft.c Examining data/xoscope-2.2/xoscope.c Examining data/xoscope-2.2/xoscope_gtk.c Examining data/xoscope-2.2/xoscope.h Examining data/xoscope-2.2/file.c Examining data/xoscope-2.2/alsa.c Examining data/xoscope-2.2/display.c FINAL RESULTS: data/xoscope-2.2/comedi.c:1005:16: [4] (buffer) sscanf: The scanf() family's %s operation, without a limit specification, permits buffer overflows (CWE-120, CWE-20). Specify a limit to %s, or use a different input function. } else if (sscanf(buf, "device=%s", device_name) == 1) { data/xoscope-2.2/display.c:91:5: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(databox_message_text + databox_message_text_used, message); data/xoscope-2.2/display.c:137:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, fmt, num * pow(10.0, power+12) * sign, "p"); data/xoscope-2.2/display.c:143:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, fmt, num * pow(10.0, power+9) * sign, "n"); data/xoscope-2.2/display.c:150:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, fmt, num * pow(10.0, power+6) * sign, "\302\265"); data/xoscope-2.2/display.c:156:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, fmt, num * pow(10.0, power+3) * sign, "m"); data/xoscope-2.2/display.c:175:13: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(tmp_fmt, fmt); data/xoscope-2.2/display.c:183:13: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, tmp_fmt, num * pow(10.0, power) * sign, ""); data/xoscope-2.2/display.c:190:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, fmt, num * pow(10.0, power-3) * sign, "k"); data/xoscope-2.2/display.c:196:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(buf, fmt, num * pow(10.0, power-6) * sign, "M"); data/xoscope-2.2/display.c:249:13: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(modified_text, "<span foreground=\"black\">%s</span>", data/xoscope-2.2/display.c:251:13: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(saved_text, text); data/xoscope-2.2/display.c:351:17: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(cp, " %*s RMS", FLW, "---"); data/xoscope-2.2/display.c:491:13: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(string, "%s Trigger @ %s", trigs[scope.trige], minibuf); data/xoscope-2.2/display.c:493:13: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(string, "%s Trigger @ %d", data/xoscope-2.2/display.c:512:9: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(string, scope.run ? (scope.run > 1 ? "WAIT" : " RUN") : "STOP"); data/xoscope-2.2/file.c:136:9: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(fontname, optarg); data/xoscope-2.2/file.c:178:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(alsaDevice, "%s", optarg); data/xoscope-2.2/file.c:307:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: can't write %s", progname, filename); data/xoscope-2.2/file.c:389:5: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "wrote %s", filename); data/xoscope-2.2/file.c:406:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: can't read %s", progname, filename); data/xoscope-2.2/file.c:516:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "loaded %s", filename); data/xoscope-2.2/file.c:519:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "invalid format: %s", filename); data/xoscope-2.2/func.c:147:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: can't create pipes", progname); data/xoscope-2.2/func.c:184:13: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(path,"PATH=%s", oscopepath); data/xoscope-2.2/func.c:187:9: [4] (shell) execlp: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. execlp("/bin/sh", "sh", "-c", command, NULL); data/xoscope-2.2/func.c:188:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: child can't exec /bin/sh -c \"%s\"", data/xoscope-2.2/func.c:193:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: can't fork", progname); data/xoscope-2.2/func.c:239:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: can't create pipes", progname); data/xoscope-2.2/func.c:274:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(envvar,"FUNC=%s", command); data/xoscope-2.2/func.c:277:9: [4] (shell) execlp: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. execlp(PERL, PERL, NULL); data/xoscope-2.2/func.c:281:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "%s: can't fork", progname); data/xoscope-2.2/func.c:943:9: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(funcarray[i].signal.name, funcarray[i].name); data/xoscope-2.2/xoscope.c:75:9: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(buffer, datasrcs[i]->name); data/xoscope-2.2/xoscope_gtk.c:282:9: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(error, "\n Overwrite existing file %s? \n", my_filename); data/xoscope-2.2/xoscope_gtk.c:743:14: [4] (shell) popen: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. if ((p = popen(HELPCOMMAND, "r")) != NULL) { data/xoscope-2.2/xoscope_gtk.c:1510:5: [4] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. sprintf(ver_string, "ver: %s", VERSION); data/xoscope-2.2/func.c:179:27: [3] (buffer) getenv: Environment variables are untrustable input if they can be set by an attacker. They can have any content and length, and the same variable can be set more than once (CWE-807, CWE-20). Check environment variables carefully before using them. if ((oscopepath = getenv("OSCOPEPATH")) == NULL) { data/xoscope-2.2/xoscope.c:142:17: [3] (buffer) getopt: 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. while ((c = getopt(argc, argv, flags)) != EOF) { data/xoscope-2.2/xoscope.c:158:17: [3] (buffer) getopt: 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. while ((c = getopt(argc, argv, flags)) != EOF) { data/xoscope-2.2/alsa.c:23:1: [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 alsaDevice[32] = "\0"; data/xoscope-2.2/alsa.c:582:12: [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. static char string[16]; data/xoscope-2.2/alsa.c:583:5: [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(string, "status %d", i); data/xoscope-2.2/alsa.c:611:12: [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. static char string[16]; data/xoscope-2.2/alsa.c:613:5: [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(string, "opt1"); data/xoscope-2.2/alsa.c:619:12: [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. static char string[16]; data/xoscope-2.2/alsa.c:621:5: [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(string, "opt2"); data/xoscope-2.2/alsa.c:640:12: [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. static char buf[32]; data/xoscope-2.2/comedi.c:50:8: [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. static char device_name[256]; data/xoscope-2.2/comedi.c:437:13: [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(comedi_chans[i].name, "Channel %c", 'a' + i); data/xoscope-2.2/comedi.c:825:29: [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(buf, (char *) buf + bytes_read - bufvalid, bufvalid); data/xoscope-2.2/comedi.c:843:13: [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(buf, (char *) buf + bytes_read - bufvalid, bufvalid); data/xoscope-2.2/comedi.c:881:12: [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. static char buffer[16]; data/xoscope-2.2/comedi.c:903:13: [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(buffer, "Subdevice %d", comedi_subdevice); data/xoscope-2.2/comedi.c:995:5: [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 buf[256]; data/xoscope-2.2/comedi.c:1035:12: [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. static char buf[256]; data/xoscope-2.2/comedi_gtk.c:60:5: [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 buf[64]; data/xoscope-2.2/comedi_gtk.c:75:9: [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(buf, "%d", comedi_get_buffer_size(comedi_dev, comedi_subdevice)); data/xoscope-2.2/comedi_gtk.c:88:5: [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 buf[64]; data/xoscope-2.2/comedi_gtk.c:123:9: [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(buf, "%d", comedi_bufsize); data/xoscope-2.2/comedi_gtk.c:128:9: [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(buf, "%d", comedi_get_buffer_size(comedi_dev, comedi_subdevice)); data/xoscope-2.2/comedi_gtk.c:191:5: [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 buf[64]; data/xoscope-2.2/display.c:173:13: [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 tmp_fmt[80], *cp; data/xoscope-2.2/display.c:305:5: [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 string[81], widget[81], *cp; data/xoscope-2.2/display.c:319:9: [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(cp, "%5d Hz</tt>", stats.freq); data/xoscope-2.2/display.c:339:17: [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(cp, " --- RMS"); data/xoscope-2.2/display.c:341:12: [2] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant string. strcat(cp, "</tt>"); data/xoscope-2.2/display.c:344:13: [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(cp, "<tt>Max:%+*d - Min:%+*d = %*d Pk-Pk", data/xoscope-2.2/display.c:349:17: [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(cp, " %*.*f RMS", FLW, FLPREC, stats.rms); data/xoscope-2.2/display.c:353:12: [2] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant string. strcat(cp, "</tt>"); data/xoscope-2.2/display.c:363:9: [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(string, "FFT"); data/xoscope-2.2/display.c:381:9: [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(string, "WARNING: math(%d,%d) is bogus!", data/xoscope-2.2/display.c:411:13: [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(widget, "status%d_label", i); data/xoscope-2.2/display.c:420:13: [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(widget, "status%d_label", i); data/xoscope-2.2/display.c:431:13: [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(string, "fps:%3d", frames); data/xoscope-2.2/display.c:450:5: [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 string[81], widget[81]; data/xoscope-2.2/display.c:488:13: [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 minibuf[256]; data/xoscope-2.2/display.c:538:21: [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(string, "%d:1", (int) rint(ch[i].scale)); data/xoscope-2.2/display.c:540:21: [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(string, "1:%d", (int) rint(1.0/ch[i].scale)); data/xoscope-2.2/display.c:547:21: [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(string, "%d:1", (int) rint(ch[i].scale)); data/xoscope-2.2/display.c:549:21: [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(string, "1:%d", (int) rint(1.0/ch[i].scale)); data/xoscope-2.2/display.c:554:13: [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(widget, "Ch%1d_scale_label", i+1); data/xoscope-2.2/display.c:557:13: [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(string, "%d @ %.1g", ch[i].bits, ch[i].pos); data/xoscope-2.2/display.c:558:13: [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(widget, "Ch%1d_position_label", i+1); data/xoscope-2.2/display.c:561:13: [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(widget, "Ch%1d_source_label", i+1); data/xoscope-2.2/display.c:571:13: [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(widget, "Ch%1d_scale_label", i+1); data/xoscope-2.2/display.c:573:13: [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(widget, "Ch%1d_position_label", i+1); data/xoscope-2.2/display.c:575:13: [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(widget, "Ch%1d_source_label", i+1); data/xoscope-2.2/display.c:580:9: [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(widget, "Ch%1d_frame", i+1); data/xoscope-2.2/display.c:626:9: [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(string, "%d Samples/frame", p->signal->width); data/xoscope-2.2/display.c:687:9: [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(string, "(a-%c)", 'a' + datasrc->nchans() - 1); data/xoscope-2.2/display.c:699:5: [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(string, "(%c-Z)", 'A' + (datasrc ? datasrc->nchans() : 0)); data/xoscope-2.2/display.c:704:5: [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(string, "(%c-z)", 'a' + (datasrc ? datasrc->nchans() : 0)); data/xoscope-2.2/display.c:1141:13: [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(widget, "Ch%d_label", j+1); data/xoscope-2.2/esd.c:93:12: [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. static char junk[SAMPLESKIP]; data/xoscope-2.2/esd.c:211:21: [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. static unsigned char buffer[MAXWID * 2]; data/xoscope-2.2/esd.c:334:12: [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. static char string[16]; data/xoscope-2.2/esd.c:336:5: [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(string, "RECORD:%d", esdrecord); data/xoscope-2.2/esd.c:355:12: [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. static char buf[32]; data/xoscope-2.2/esd_gtk.c:24:5: [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 buf[16]; data/xoscope-2.2/file.c:41:5: [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 buf[16]; data/xoscope-2.2/file.c:282:12: [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. static char buf[32]; data/xoscope-2.2/file.c:291:5: [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(buf, "%d/%d", num, den); data/xoscope-2.2/file.c:306:17: [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). if ((file = fopen(filename, "w")) == NULL) { data/xoscope-2.2/file.c:397:5: [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 c, *p, *q, buff[256]; data/xoscope-2.2/file.c:405:17: [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). if ((file = fopen(filename, "r")) == NULL) { data/xoscope-2.2/func.c:98:5: [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(mem[dest].data, ch[src].signal->data, ch[src].signal->width * sizeof(short)); data/xoscope-2.2/func.c:394:5: [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 error_message[256]; data/xoscope-2.2/func.c:936:9: [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(mem[i].name, "Memory %c", 'a' + i); data/xoscope-2.2/xoscope.c:55:1: [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 error[256]; /* buffer for "one-line" error messages */ data/xoscope-2.2/xoscope.c:67:12: [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. static char buffer[256]; data/xoscope-2.2/xoscope.c:905:12: [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. static char buffer[256]; data/xoscope-2.2/xoscope.h:23:8: [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. extern char error[256]; data/xoscope-2.2/xoscope.h:54:5: [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 name[16]; /* Textual name of this signal (for display) */ data/xoscope-2.2/xoscope.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 savestr[256]; /* String used in save files */ data/xoscope-2.2/xoscope_gtk.c:42:1: [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 my_filename[FILENAME_MAX] = ""; data/xoscope-2.2/xoscope_gtk.c:44:1: [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 fontname[80] = DEF_FX; data/xoscope-2.2/xoscope_gtk.c:662:5: [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 charbuffer[16]; data/xoscope-2.2/xoscope_gtk.c:1221:13: [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 buf[32]; data/xoscope-2.2/xoscope_gtk.c:1243:17: [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(buf, "Mem %c", 'A' + i); data/xoscope-2.2/xoscope_gtk.c:1499:5: [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 ver_string[16]; data/xoscope-2.2/alsa.c:436:13: [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(1000); data/xoscope-2.2/alsa.c:442:13: [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(1000); data/xoscope-2.2/alsa.c:454:13: [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(1000); data/xoscope-2.2/alsa.c:460:13: [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(1000); data/xoscope-2.2/comedi.c:499:38: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). && (ret = read(comedi_fileno(comedi_dev), buf, data/xoscope-2.2/comedi.c:725:26: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((bytes_read = read(comedi_fileno(comedi_dev), data/xoscope-2.2/display.c:83:73: [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 (databox_message_text_alloced_size < databox_message_text_used + strlen(message) + 2) { data/xoscope-2.2/display.c:84:73: [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). databox_message_text_alloced_size = databox_message_text_used + strlen(message) + 2; data/xoscope-2.2/display.c:92:34: [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). databox_message_text_used += strlen(message); data/xoscope-2.2/display.c:99:38: [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 (databox_message_text_used == strlen(message)) { data/xoscope-2.2/display.c:181:33: [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). memmove(cp + 1, cp, strlen(cp) + 1); data/xoscope-2.2/display.c:207:32: [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 ((name != NULL) && (strlen(name) >= 11) && data/xoscope-2.2/display.c:208:29: [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). (!strcmp(name + strlen(name) - 11, "_help_label") data/xoscope-2.2/display.c:209:32: [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). || !strcmp(name + strlen(name) - 10, "_key_label"))) { data/xoscope-2.2/display.c:221:32: [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 ((name != NULL) && (strlen(name) >= 11) && data/xoscope-2.2/display.c:222:29: [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). (!strcmp(name + strlen(name) - 11, "_help_label") data/xoscope-2.2/display.c:223:32: [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). || !strcmp(name + strlen(name) - 10, "_key_label"))) { data/xoscope-2.2/display.c:242:32: [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 ((name != NULL) && (strlen(name) >= 11) && data/xoscope-2.2/display.c:243:29: [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). (!strcmp(name + strlen(name) - 11, "_help_label") data/xoscope-2.2/display.c:244:32: [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). || !strcmp(name + strlen(name) - 10, "_key_label"))) { data/xoscope-2.2/display.c:317:23: [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). cp = string + strlen(string); data/xoscope-2.2/display.c:326:27: [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). cp = string + strlen(string); data/xoscope-2.2/display.c:329:27: [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). cp = string + strlen(string); data/xoscope-2.2/display.c:333:27: [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). cp = string + strlen(string); data/xoscope-2.2/display.c:347:27: [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). cp = string + strlen(string); data/xoscope-2.2/display.c:551:17: [1] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). Risk is low because the source is a constant character. strcpy(string, ""); data/xoscope-2.2/esd.c:102:9: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). read(esd, junk, SAMPLESKIP); data/xoscope-2.2/esd.c:229:21: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((j = read(fd, buffer, sizeof(buffer))) == sizeof(buffer)); data/xoscope-2.2/esd.c:234:13: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). j = read(fd, buffer, sizeof(buffer)); data/xoscope-2.2/func.c:183:25: [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). path = g_malloc(strlen(oscopepath) + 6); data/xoscope-2.2/func.c:273:27: [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). envvar = g_malloc(strlen(command) + 6); data/xoscope-2.2/func.c:338:17: [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). while ((strlen(function) > 0) && isspace(function[strlen(function)-1])) { data/xoscope-2.2/func.c:338:59: [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). while ((strlen(function) > 0) && isspace(function[strlen(function)-1])) { data/xoscope-2.2/func.c:339:22: [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). function[strlen(function)-1] = '\0'; data/xoscope-2.2/func.c:342:41: [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). && (function[0] == function[strlen(function)-1])) { data/xoscope-2.2/func.c:343:22: [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). function[strlen(function)-1] = '\0'; data/xoscope-2.2/func.c:426:21: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). i = read(ext->errors, error_message, sizeof(error_message)-1); data/xoscope-2.2/func.c:456:25: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). if (read(ext->from, c++, sizeof(short)) != sizeof(short)) data/xoscope-2.2/xoscope.c:73:13: [1] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant character. strcat(buffer, "/"); data/xoscope-2.2/xoscope.c:908:9: [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). if (strlen(str) > limit) { data/xoscope-2.2/xoscope_gtk.c:250:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(my_filename, gtk_file_selection_get_filename(fs), FILENAME_MAX); data/xoscope-2.2/xoscope_gtk.c:260:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(my_filename, gtk_file_selection_get_filename(fs), FILENAME_MAX); data/xoscope-2.2/xoscope_gtk.c:424:64: [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). gtk_text_buffer_insert(textbuffer, &iter, operl_help_text, strlen(operl_help_text)); data/xoscope-2.2/xoscope_gtk.c:745:21: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((c = fgetc(p)) != EOF) { ANALYSIS SUMMARY: Hits = 165 Lines analyzed = 9249 in approximately 0.27 seconds (33976 lines/second) Physical Source Lines of Code (SLOC) = 6282 Hits@level = [0] 68 [1] 44 [2] 81 [3] 3 [4] 37 [5] 0 Hits@level+ = [0+] 233 [1+] 165 [2+] 121 [3+] 40 [4+] 37 [5+] 0 Hits/KSLOC@level+ = [0+] 37.0901 [1+] 26.2655 [2+] 19.2614 [3+] 6.3674 [4+] 5.88984 [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.