PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2025-12-06 04:31:29 +00:00
Code Issues Projects Releases Wiki Activity

Fix an incorrect match case

Browse Source
This commit is contained in:
dmiller
2023-12-01 23:38:19 +00:00
parent b4404ad5dd
commit ee1d570b4e
2 changed files with 31 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
osscan.cc
View File

@@ -355,34 +355,39 @@ bool expr_match(const char *val, size_t vlen, const char *expr, size_t explen, b
}
}
sublen = q ? q - p : explen - (p - expr);
if (*p == '>') {
if ((vlen > sublen - 1)
|| (vlen == sublen - 1 && strncmp(subval, p + 1, vlen) > 0)) {
return true;
if (isxdigit(*subval)) {
if (*p == '>') {
if ((vlen > sublen - 1)
|| (vlen == sublen - 1 && strncmp(subval, p + 1, vlen) > 0)) {
return true;
}
goto next_expr;
}
}
else if (*p == '<') {
if ((vlen < sublen - 1)
|| (vlen == sublen - 1 && strncmp(subval, p + 1, vlen) < 0)) {
return true;
}
} else {
q1 = strchr(p, '-');
if (q1 != NULL) {
size_t sublen1 = q1 - p;
if ((vlen > sublen1)
|| (vlen == sublen1 && strncmp(subval, p, vlen) >= 0)) {
p = q1 + 1;
sublen -= (sublen1 + 1);
if ((vlen < sublen)
|| (vlen == sublen && strncmp(subval, p, vlen) <= 0)) {
return true;
else if (*p == '<') {
if ((vlen < sublen - 1)
|| (vlen == sublen - 1 && strncmp(subval, p + 1, vlen) < 0)) {
return true;
}
goto next_expr;
} else {
q1 = strchr(p, '-');
if (q1 != NULL) {
size_t sublen1 = q1 - p;
if ((vlen > sublen1)
|| (vlen == sublen1 && strncmp(subval, p, vlen) >= 0)) {
p = q1 + 1;
sublen -= (sublen1 + 1);
if ((vlen < sublen)
|| (vlen == sublen && strncmp(subval, p, vlen) <= 0)) {
return true;
}
}
goto next_expr;
}
}
else if (vlen == sublen && !strncmp(p, subval, vlen)) {
return true;
}
}
if (vlen == sublen && !strncmp(p, subval, vlen)) {
return true;
}
next_expr:
if (q)