ttls: Fix certificate path length calculation - sacc - sacc (saccomys): simple gopher client.
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) LICENSE
       ---
 (DIR) commit 8b2a2eaf79da098717fe9a7d87fca9fa1f6c6579
 (DIR) parent 9dec9b200c1bddd6d12f4aa6b43e2c329f513235
 (HTM) Author: Quentin Rameau <quinq@fifth.space>
       Date:   Sat, 15 Oct 2022 23:10:38 +0200
       
       ttls: 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
       t@@ -23,7 +23,7 @@ struct pem {
                char path[PATH_MAX];
                char *dir;
                char *cert;
       -        size_t certln;
       +        size_t certsz;
        };
        
        int tls;
       t@@ -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;
       t@@ -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;
                }