tls: Fix certificate path length calculation - sacc - sacc(omys), simple console gopher client
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---
DIR commit 8b2a2eaf79da098717fe9a7d87fca9fa1f6c6579
DIR parent 9dec9b200c1bddd6d12f4aa6b43e2c329f513235
HTML Author: Quentin Rameau <quinq@fifth.space>
Date: Sat, 15 Oct 2022 23:10:38 +0200
tls: Fix certificate path length calculation
Thanks to Hiltjo for spotting this!
Diffstat:
M io_tls.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
---
DIR diff --git a/io_tls.c b/io_tls.c
@@ -23,7 +23,7 @@ struct pem {
char path[PATH_MAX];
char *dir;
char *cert;
- size_t certln;
+ size_t certsz;
};
int tls;
@@ -78,7 +78,7 @@ setup_tls(void)
pem.path, strerror(errno));
} else {
pem.cert = pem.path + n;
- pem.certln = pem.cert - pem.path;
+ pem.certsz = sizeof(pem.path) - n;
}
return 0;
@@ -133,8 +133,8 @@ conftls(struct tls *t, const char *host)
if (pem.cert == NULL)
return NULL;
- n = snprintf(pem.cert, pem.certln, host);
- if (n < 0 || (unsigned)n >= pem.certln) {
+ n = snprintf(pem.cert, pem.certsz, "%s", host);
+ if (n < 0 || (unsigned)n >= pem.certsz) {
diag("PEM path too long: %s/%s", pem.cert, host);
return NULL;
}