diff options
Diffstat (limited to 'src/bss_patch.c')
| -rw-r--r-- | src/bss_patch.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/bss_patch.c b/src/bss_patch.c index c05def5..f49098f 100644 --- a/src/bss_patch.c +++ b/src/bss_patch.c @@ -40,8 +40,9 @@ static int handle_bss_dtap(struct msgb *msg, struct sccp_parse_result *sccp, int static void patch_ass_rqst(struct msgb *msg, int length) { struct tlv_parsed tp; - uint8_t *data, audio; + uint8_t *data; int len; + int i; tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, length - 1, 0, 0); len = TLVP_LEN(&tp, GSM0808_IE_CHANNEL_TYPE); @@ -53,12 +54,17 @@ static void patch_ass_rqst(struct msgb *msg, int length) if ((data[0] & 0xf) != 0x1) return; - /* blindly assign */ + /* blindly assign FR2 on all slots */ data[1] = GSM0808_SPEECH_FULL_PREF; - audio = GSM0808_PERM_FR2; - if (len > 3) - audio |= 0x80; - data[2] = audio; + for (i = 0; i < len - 2; ++i) { + uint8_t audio = GSM0808_PERM_FR2; + + /* at the end? */ + if (i + 1 != len - 2) + audio |= 0x80; + data[2 + i] = audio; + printf("PATCHED %d\n", i); + } } static void patch_ass_cmpl(struct msgb *msg, int length) |