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authorEric Biggers <ebiggers@google.com>2021-12-21 20:38:03 -0600
committerEric Biggers <ebiggers@google.com>2021-12-21 21:55:01 -0600
commitb7399903540c95e89f0ee427fed1de07301fbd93 (patch)
tree2aa1240435ff91f25b0f05923e80cb8b299ef337 /pam/pam.h
parentce477ef12ac46c4df0152d43dae5d6e58772b120 (diff)
pam_fscrypt: warn user if OLDAUTHTOK not given in chauthtok
If someone runs 'passwd USER' as root, the user is assigned a new login passphrase without their fscrypt login protector being updated. Detect this case and show a warning message using pam_info(). Fixes https://github.com/google/fscrypt/issues/273
Diffstat (limited to 'pam/pam.h')
-rw-r--r--pam/pam.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/pam/pam.h b/pam/pam.h
index 54bb193..3cb609a 100644
--- a/pam/pam.h
+++ b/pam/pam.h
@@ -41,4 +41,7 @@ void *copyIntoSecret(void *data);
// CleaupFunc that Zeros wipes a C string and unlocks and frees its memory.
void freeSecret(pam_handle_t *pamh, char *data, int error_status);
+// Sends a message to the application using pam_info().
+void infoMessage(pam_handle_t *pamh, const char *message);
+
#endif // FSCRYPT_PAM_H