diff options
Diffstat (limited to 'src/libgsmd')
-rw-r--r-- | src/libgsmd/libgsmd.c | 2 | ||||
-rw-r--r-- | src/libgsmd/libgsmd_event.c | 5 | ||||
-rw-r--r-- | src/libgsmd/libgsmd_passthrough.c | 17 | ||||
-rw-r--r-- | src/libgsmd/libgsmd_pin.c | 4 |
4 files changed, 15 insertions, 13 deletions
diff --git a/src/libgsmd/libgsmd.c b/src/libgsmd/libgsmd.c index b5d163f..b9db59a 100644 --- a/src/libgsmd/libgsmd.c +++ b/src/libgsmd/libgsmd.c @@ -133,7 +133,7 @@ void lgsm_unregister_handler(struct lgsm_handle *lh, int type) } /* blocking read and processing of packets until packet matching 'id' is found */ -int lgsm_blocking_wait_packet(struct lgsm_handle *lh, u_int16_t id, +int lgsm_blocking_wait_packet(struct lgsm_handle *lh, u_int16_t id, struct gsmd_msg_hdr *gmh, int rlen) { int rc; diff --git a/src/libgsmd/libgsmd_event.c b/src/libgsmd/libgsmd_event.c index 777edd8..b01a8b2 100644 --- a/src/libgsmd/libgsmd_event.c +++ b/src/libgsmd/libgsmd_event.c @@ -52,9 +52,10 @@ void lgsm_evt_handler_unregister(struct lgsm_handle *lh, int evt_type) } -static int evt_demux_msghandler(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh) +static int evt_demux_msghandler(struct lgsm_handle *lh, + struct gsmd_msg_hdr *gmh) { - struct gsmd_evt_auxdata *aux = gmh->data; + struct gsmd_evt_auxdata *aux = (struct gsmd_evt_auxdata *) gmh->data; if (gmh->len < sizeof(*aux)) return -EIO; diff --git a/src/libgsmd/libgsmd_passthrough.c b/src/libgsmd/libgsmd_passthrough.c index b6b32fc..1849688 100644 --- a/src/libgsmd/libgsmd_passthrough.c +++ b/src/libgsmd/libgsmd_passthrough.c @@ -59,7 +59,8 @@ int lgsm_passthrough_send(struct lgsm_handle *lh, const char *tx) return gmh->id; } -int lgsm_passthrough(struct lgsm_handle *lh, const char *tx, char *rx, unsigned int *rx_len) +int lgsm_passthrough(struct lgsm_handle *lh, const char *tx, + char *rx, unsigned int *rx_len) { struct gsmd_msg_hdr *rgmh = (struct gsmd_msg_hdr *)passthrough_rbuf; char *rx_buf = (char *)rgmh + sizeof(*rgmh); @@ -72,8 +73,7 @@ int lgsm_passthrough(struct lgsm_handle *lh, const char *tx, char *rx, unsigned /* since we synchronously want to wait for a response, we need to * _internally_ loop over incoming packets and call the callbacks for * intermediate messages (if applicable) */ - rc = lgsm_blocking_wait_packet(lh, rc, passthrough_rbuf, - sizeof(passthrough_rbuf)); + rc = lgsm_blocking_wait_packet(lh, rc, rgmh, sizeof(passthrough_rbuf)); if (rc <= 0) return rc; @@ -82,10 +82,11 @@ int lgsm_passthrough(struct lgsm_handle *lh, const char *tx, char *rx, unsigned if (rc < sizeof(*rgmh) + rgmh->len) return -EINVAL; - - /* FIXME: make sure rx_buf is zero-terminated */ - strcpy(rx, rx_buf); - *rx_len = rgmh->len; - return rx_len; + rx[*--rx_len] = 0; + if (rgmh->len < *rx_len) + *rx_len = rgmh->len; + memcpy(rx, rx_buf, *rx_len); + + return *rx_len; } diff --git a/src/libgsmd/libgsmd_pin.c b/src/libgsmd/libgsmd_pin.c index f99084a..204f655 100644 --- a/src/libgsmd/libgsmd_pin.c +++ b/src/libgsmd/libgsmd_pin.c @@ -75,7 +75,7 @@ int lgsm_pin(struct lgsm_handle *lh, unsigned int type, return -ENOMEM; gm->gp.type = type; - strcpy(gm->gp.pin, pin); + strncpy(gm->gp.pin, pin, sizeof(gm->gp.pin)); switch (type) { case GSMD_PIN_SIM_PUK: @@ -87,7 +87,7 @@ int lgsm_pin(struct lgsm_handle *lh, unsigned int type, free(gm); return -EINVAL; } - strcpy(gm->gp.newpin, newpin); + strncpy(gm->gp.newpin, newpin, sizeof(gm->gp.newpin)); break; default: break; |