Rename ibuf_get() to ibuf_getdata() by merging the two functions together. I want to use ibuf_get() as part of the ibuf API so this needs to move. Also use ibuf_add_zero() in a place of ibuf_reserve() and remove a check for buf->buf == NULL in ibuf_length() which has nothing to do there.
-- :wq Claudio Index: iked.h =================================================================== RCS file: /cvs/src/sbin/iked/iked.h,v retrieving revision 1.220 diff -u -p -r1.220 iked.h --- iked.h 28 Jun 2023 14:10:24 -0000 1.220 +++ iked.h 16 Jul 2023 13:45:20 -0000 @@ -1271,9 +1271,8 @@ struct ibuf * int ibuf_cat(struct ibuf *, struct ibuf *); size_t ibuf_length(struct ibuf *); int ibuf_setsize(struct ibuf *, size_t); -void *ibuf_getdata(struct ibuf *, size_t); struct ibuf * - ibuf_get(struct ibuf *, size_t); + ibuf_getdata(struct ibuf *, size_t); struct ibuf * ibuf_dup(struct ibuf *); struct ibuf * Index: ikev2.c =================================================================== RCS file: /cvs/src/sbin/iked/ikev2.c,v retrieving revision 1.372 diff -u -p -r1.372 ikev2.c --- ikev2.c 28 Jun 2023 14:10:24 -0000 1.372 +++ ikev2.c 16 Jul 2023 13:54:01 -0000 @@ -5829,16 +5829,20 @@ ikev2_sa_keys(struct iked *env, struct i goto done; } - /* ibuf_get() returns a new buffer from the next read offset */ - if ((sa->sa_key_d = ibuf_get(t, hash_length(prf))) == NULL || + /* ibuf_getdata() returns a new buffer from the next read offset */ + if ((sa->sa_key_d = ibuf_getdata(t, hash_length(prf))) == NULL || (!isaead && - (sa->sa_key_iauth = ibuf_get(t, hash_keylength(integr))) == NULL) || + (sa->sa_key_iauth = ibuf_getdata(t, hash_keylength(integr))) == + NULL) || (!isaead && - (sa->sa_key_rauth = ibuf_get(t, hash_keylength(integr))) == NULL) || - (sa->sa_key_iencr = ibuf_get(t, cipher_keylength(encr))) == NULL || - (sa->sa_key_rencr = ibuf_get(t, cipher_keylength(encr))) == NULL || - (sa->sa_key_iprf = ibuf_get(t, hash_length(prf))) == NULL || - (sa->sa_key_rprf = ibuf_get(t, hash_length(prf))) == NULL) { + (sa->sa_key_rauth = ibuf_getdata(t, hash_keylength(integr))) == + NULL) || + (sa->sa_key_iencr = ibuf_getdata(t, cipher_keylength(encr))) == + NULL || + (sa->sa_key_rencr = ibuf_getdata(t, cipher_keylength(encr))) == + NULL || + (sa->sa_key_iprf = ibuf_getdata(t, hash_length(prf))) == NULL || + (sa->sa_key_rprf = ibuf_getdata(t, hash_length(prf))) == NULL) { log_debug("%s: failed to get SA keys", SPI_SA(sa, __func__)); goto done; } @@ -6307,13 +6311,13 @@ ikev2_childsa_negotiate(struct iked *env csa->csa_spi.spi_size = 4; } - if (encrxf && (csa->csa_encrkey = ibuf_get(keymat, + if (encrxf && (csa->csa_encrkey = ibuf_getdata(keymat, encrxf->xform_keylength / 8)) == NULL) { log_debug("%s: failed to get CHILD SA encryption key", __func__); goto done; } - if (integrxf && (csa->csa_integrkey = ibuf_get(keymat, + if (integrxf && (csa->csa_integrkey = ibuf_getdata(keymat, integrxf->xform_keylength / 8)) == NULL) { log_debug("%s: failed to get CHILD SA integrity key", __func__); @@ -6340,13 +6344,13 @@ ikev2_childsa_negotiate(struct iked *env csb->csa_local = csa->csa_peer; csb->csa_peer = csa->csa_local; - if (encrxf && (csb->csa_encrkey = ibuf_get(keymat, + if (encrxf && (csb->csa_encrkey = ibuf_getdata(keymat, encrxf->xform_keylength / 8)) == NULL) { log_debug("%s: failed to get CHILD SA encryption key", __func__); goto done; } - if (integrxf && (csb->csa_integrkey = ibuf_get(keymat, + if (integrxf && (csb->csa_integrkey = ibuf_getdata(keymat, integrxf->xform_keylength / 8)) == NULL) { log_debug("%s: failed to get CHILD SA integrity key", __func__); Index: imsg_util.c =================================================================== RCS file: /cvs/src/sbin/iked/imsg_util.c,v retrieving revision 1.19 diff -u -p -r1.19 imsg_util.c --- imsg_util.c 19 Jun 2023 17:19:50 -0000 1.19 +++ imsg_util.c 16 Jul 2023 13:59:29 -0000 @@ -55,7 +55,7 @@ ibuf_new(const void *data, size_t len) return (buf); if (data == NULL) { - if (ibuf_reserve(buf, len) == NULL) { + if (ibuf_add_zero(buf, len) != 0) { ibuf_free(buf); return (NULL); } @@ -78,12 +78,12 @@ ibuf_static(void) size_t ibuf_length(struct ibuf *buf) { - if (buf == NULL || buf->buf == NULL) + if (buf == NULL) return (0); return (ibuf_size(buf)); } -void * +struct ibuf * ibuf_getdata(struct ibuf *buf, size_t len) { void *data; @@ -91,17 +91,6 @@ ibuf_getdata(struct ibuf *buf, size_t le if ((data = ibuf_seek(buf, buf->rpos, len)) == NULL) return (NULL); buf->rpos += len; - - return (data); -} - -struct ibuf * -ibuf_get(struct ibuf *buf, size_t len) -{ - void *data; - - if ((data = ibuf_getdata(buf, len)) == NULL) - return (NULL); return (ibuf_new(data, len)); }