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libpsl
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psl tool: Fix possible crashes with printf %s, NULL 

Reported-by: Mike Schiffman
This commit is contained in:
Tim Rühsen 2018-07-04 09:37:14 +02:00
parent 4c68696eb1
commit 523397fb83
1 changed files with 12 additions and 6 deletions
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18
tools/psl.c
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@ -198,10 +198,14 @@ int main(int argc, const char *const *argv)
else
putchar('\n');
}
else if (mode == 2)
printf("%s\n", psl_unregistrable_domain(psl, lower));
else if (mode == 3)
printf("%s\n", psl_registrable_domain(psl, lower));
else if (mode == 2) {
const char *dom = psl_unregistrable_domain(psl, lower);
printf("%s\n", dom ? dom : "(null)");
}
else if (mode == 3) {
const char *dom = psl_registrable_domain(psl, lower);
printf("%s\n", dom ? dom : "(null)");
}
else if (mode == 4) {
char *cookie_domain_lower;
@ -234,16 +238,18 @@ int main(int argc, const char *const *argv)
}
else if (mode == 2) {
for (; arg < argv + argc; arg++) {
const char *dom = psl_unregistrable_domain(psl, *arg);
if (!batch_mode)
printf("%s: ", *arg);
printf("%s\n", psl_unregistrable_domain(psl, *arg));
printf("%s\n", dom ? dom : "(null)");
}
}
else if (mode == 3) {
for (; arg < argv + argc; arg++) {
const char *dom = psl_registrable_domain(psl, *arg);
if (!batch_mode)
printf("%s: ", *arg);
printf("%s\n", psl_registrable_domain(psl, *arg));
printf("%s\n", dom ? dom : "(null)");
}
}
else if (mode == 4) {