diff options
| author | Harald Welte <laforge@gnumonks.org> | 2019-01-20 10:37:49 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2019-01-22 14:53:46 +0000 |
| commit | 1c3bae138cea1dbde480ce4382120034eb769e82 (patch) | |
| tree | fc297ba07badb2ae23fa0a93e00457c50b64209b /include/osmocom/gsm | |
| parent | 1317771c9340a9fdc86911206cdc8719a3d2bfe6 (diff) | |
constrain gsm48_generate_mid() output array bounds
The longest BCd-digit type identity is the IMEISV with 16, so there's
no point in trying to parse up to 255 decimal digits, which will do
nothing but to overflow the caller-provided output buffer.
Let's also clearly define the required minimum size of the output
buffer and add a reltead #define for it.
Change-Id: Ic8488bc7f77dc9182e372741b88f0f06100dddc9
Diffstat (limited to 'include/osmocom/gsm')
| -rw-r--r-- | include/osmocom/gsm/gsm48.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/osmocom/gsm/gsm48.h b/include/osmocom/gsm/gsm48.h index 0f5727a0..7e0e5c48 100644 --- a/include/osmocom/gsm/gsm48.h +++ b/include/osmocom/gsm/gsm48.h @@ -45,6 +45,7 @@ void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc, OSMO_DEPRECATED("Use gsm48_generate_lai2() instead, to not lose leading zeros in the MNC"); void gsm48_generate_lai2(struct gsm48_loc_area_id *lai48, const struct osmo_location_area_id *lai); +#define GSM48_MID_MAX_SIZE 11 int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi); int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi); uint8_t gsm48_generate_mid(uint8_t *buf, const char *id, uint8_t mi_type); |