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cndm: Strip non-printable characters from serial number

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-03-18 18:45:49 -07:00
parent 1e4e71bcc3
commit 9bcaa2a9d3
1 changed files with 9 additions and 0 deletions
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9
src/cndm/modules/cndm/cndm_cmd.c
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@@ -96,6 +96,7 @@ int cndm_hwid_sn_rd(struct cndm_dev *cdev, int *len, void *data)
{
struct cndm_cmd_hwid cmd;
struct cndm_cmd_hwid rsp;
int k = 0;
int ret = 0;
char buf[64];
char *ptr;
@@ -116,6 +117,14 @@ int cndm_hwid_sn_rd(struct cndm_dev *cdev, int *len, void *data)
// memcpy(&buf, ((void *)&rsp.data), min(cmd.len, 32)); // TODO
memcpy(&buf, ((void *)&rsp.data), 32);
buf[32] = 0;
for (k = 0; k < 32; k++) {
if (!isascii(buf[k]) || !isprint(buf[k])) {
buf[k] = 0;
break;
}
}
ptr = strim(buf);
if (len)