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Improve CD key prevalidation #880

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Merged
timangus merged 2 commits into from
Jul 8, 2026
Merged

Improve CD key prevalidation #880

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6c5d850
Improve CD key prevalidation
kk1201 Jul 7, 2026
82c68ee
Use tolower instead of ascii math
kk1201 Jul 8, 2026
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31 changes: 14 additions & 17 deletions code/client/cl_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4719,26 +4719,23 @@ qboolean CL_CDKeyValidate( const char *key, const char *checksum ) {
// for loop gets rid of conditional assignment warning
for (i = 0; i < len; i++) {
ch = *key++;
if (ch>='a' && ch<='z') {
ch -= 32;
}
switch( ch ) {
switch(tolower(ch)) {
case '2':
case '3':
case '7':
case 'A':
case 'B':
case 'C':
case 'D':
case 'G':
case 'H':
case 'J':
case 'L':
case 'P':
case 'R':
case 'S':
case 'T':
case 'W':
case 'a':
case 'b':
case 'c':
case 'd':
case 'g':
case 'h':
case 'j':
case 'l':
case 'p':
case 'r':
case 's':
case 't':
case 'w':
sum += ch;
continue;
default:
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2 changes: 1 addition & 1 deletion code/q3_ui/ui_cdkey.c
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,7 @@ static int UI_CDKeyMenu_PreValidateKey( const char *key ) {
}

while( ( ch = *key++ ) ) {
switch( ch ) {
switch(tolower(ch)) {
case '2':
case '3':
case '7':
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