diff options
| author | Richard Levitte <levitte@openssl.org> | 2003-12-27 14:40:17 +0000 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2003-12-27 14:40:17 +0000 |
| commit | d420ac2c7d4ba9d99ff2c257a3ad71ecc6d876e2 (patch) | |
| tree | 84414c7d794c6286588d2042f060036378311348 /crypto/bio/bio_cb.c | |
| parent | b79aa47a0c8478bea62fc2bb55f99e0be172da3d (diff) | |
| download | openssl-d420ac2c7d4ba9d99ff2c257a3ad71ecc6d876e2.tar.gz | |
Use BUF_strlcpy() instead of strcpy().
Use BUF_strlcat() instead of strcat().
Use BIO_snprintf() instead of sprintf().
In some cases, keep better track of buffer lengths.
This is part of a large change submitted by Markus Friedl <markus@openbsd.org>
Diffstat (limited to 'crypto/bio/bio_cb.c')
| -rw-r--r-- | crypto/bio/bio_cb.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/crypto/bio/bio_cb.c b/crypto/bio/bio_cb.c index 0ffa4d2136..6f4254a114 100644 --- a/crypto/bio/bio_cb.c +++ b/crypto/bio/bio_cb.c @@ -70,55 +70,61 @@ long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp, MS_STATIC char buf[256]; char *p; long r=1; + size_t p_maxlen; if (BIO_CB_RETURN & cmd) r=ret; - sprintf(buf,"BIO[%08lX]:",(unsigned long)bio); + BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio); p= &(buf[14]); + p_maxlen = sizeof buf - 14; switch (cmd) { case BIO_CB_FREE: - sprintf(p,"Free - %s\n",bio->method->name); + BIO_snprintf(p,p_maxlen,"Free - %s\n",bio->method->name); break; case BIO_CB_READ: if (bio->method->type & BIO_TYPE_DESCRIPTOR) - sprintf(p,"read(%d,%d) - %s fd=%d\n",bio->num,argi,bio->method->name,bio->num); + BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s fd=%d\n", + bio->num,argi,bio->method->name,bio->num); else - sprintf(p,"read(%d,%d) - %s\n",bio->num,argi,bio->method->name); + BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s\n", + bio->num,argi,bio->method->name); break; case BIO_CB_WRITE: if (bio->method->type & BIO_TYPE_DESCRIPTOR) - sprintf(p,"write(%d,%d) - %s fd=%d\n",bio->num,argi,bio->method->name,bio->num); + BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s fd=%d\n", + bio->num,argi,bio->method->name,bio->num); else - sprintf(p,"write(%d,%d) - %s\n",bio->num,argi,bio->method->name); + BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s\n", + bio->num,argi,bio->method->name); break; case BIO_CB_PUTS: - sprintf(p,"puts() - %s\n",bio->method->name); + BIO_snprintf(p,p_maxlen,"puts() - %s\n",bio->method->name); break; case BIO_CB_GETS: - sprintf(p,"gets(%d) - %s\n",argi,bio->method->name); + BIO_snprintf(p,p_maxlen,"gets(%d) - %s\n",argi,bio->method->name); break; case BIO_CB_CTRL: - sprintf(p,"ctrl(%d) - %s\n",argi,bio->method->name); + BIO_snprintf(p,p_maxlen,"ctrl(%d) - %s\n",argi,bio->method->name); break; case BIO_CB_RETURN|BIO_CB_READ: - sprintf(p,"read return %ld\n",ret); + BIO_snprintf(p,p_maxlen,"read return %ld\n",ret); break; case BIO_CB_RETURN|BIO_CB_WRITE: - sprintf(p,"write return %ld\n",ret); + BIO_snprintf(p,p_maxlen,"write return %ld\n",ret); break; case BIO_CB_RETURN|BIO_CB_GETS: - sprintf(p,"gets return %ld\n",ret); + BIO_snprintf(p,p_maxlen,"gets return %ld\n",ret); break; case BIO_CB_RETURN|BIO_CB_PUTS: - sprintf(p,"puts return %ld\n",ret); + BIO_snprintf(p,p_maxlen,"puts return %ld\n",ret); break; case BIO_CB_RETURN|BIO_CB_CTRL: - sprintf(p,"ctrl return %ld\n",ret); + BIO_snprintf(p,p_maxlen,"ctrl return %ld\n",ret); break; default: - sprintf(p,"bio callback - unknown type (%d)\n",cmd); + BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)\n",cmd); break; } |