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tpm2: Restrict profile names to 32 characters

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Restrict profile names to 32 characters to avoid having to carry
excessively long names in the TPM's state file.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2024-10-09 20:58:10 -04:00 committed by Stefan Berger
parent 0d8377b1b4
commit 774cee962e
1 changed files with 11 additions and 1 deletions
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12
src/tpm2/RuntimeProfile.c
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@ -65,6 +65,7 @@ const char defaultAlgorithmsProfile[] =
static const struct RuntimeProfileDesc {
const char *name;
#define MAX_PROFILE_NAME_LEN 32
const char *prefix;
size_t prefix_len;
const char *commandsProfile;
@ -339,8 +340,17 @@ RuntimeProfileGetNameFromJSON(const char *json,
char **name)
{
const char *regex = "^\\{.*[[:space:]]*\"Name\"[[:space:]]*:[[:space:]]*\"([^\"]+)\".*\\}$";
TPM_RC retVal;
size_t len;
return RuntimeProfileGetFromJSON(json, regex, name, false);
retVal = RuntimeProfileGetFromJSON(json, regex, name, false);
if (!retVal) {
len = strlen(*name);
if (len > MAX_PROFILE_NAME_LEN)
(*name)[MAX_PROFILE_NAME_LEN] = 0;
}
return retVal;
}
static TPM_RC