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Drop unused function from audit

This commit is contained in:
Jakub Jelen 2018-01-16 16:24:27 +01:00
parent 17cd512319
commit 6b6760fc06
1 changed files with 4 additions and 42 deletions
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46
openssh-7.6p1-audit.patch
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@ -39,7 +39,7 @@ diff -up openssh-7.6p1/audit-bsm.c.audit openssh-7.6p1/audit-bsm.c
void
audit_event(ssh_audit_event_t event)
{
@@ -452,4 +471,40 @@ audit_event(ssh_audit_event_t event)
@@ -452,4 +471,34 @@ audit_event(ssh_audit_event_t event)
debug("%s: unhandled event %d", __func__, event);
}
}
@ -72,12 +72,6 @@ diff -up openssh-7.6p1/audit-bsm.c.audit openssh-7.6p1/audit-bsm.c
+audit_destroy_sensitive_data(const char *fp, pid_t pid, uid_t uid)
+{
+ /* not implemented */
+}
+
+void
+audit_generate_ephemeral_server_key(const char *fp)
+{
+ /* not implemented */
+}
#endif /* BSM */
diff -up openssh-7.6p1/audit.c.audit openssh-7.6p1/audit.c
@ -183,7 +177,7 @@ diff -up openssh-7.6p1/audit.c.audit openssh-7.6p1/audit.c
* Called when a user session is started. Argument is the tty allocated to
* the session, or NULL if no tty was allocated.
*
@@ -172,13 +218,91 @@ audit_session_close(struct logininfo *li
@@ -172,13 +218,82 @@ audit_session_close(struct logininfo *li
/*
* This will be called when a user runs a non-interactive command. Note that
* it may be called multiple times for a single connection since SSH2 allows
@ -265,15 +259,6 @@ diff -up openssh-7.6p1/audit.c.audit openssh-7.6p1/audit.c
+{
+ debug("audit destroy sensitive data euid %d fingerprint %s from pid %ld uid %u",
+ geteuid(), fp, (long)pid, (unsigned)uid);
+}
+
+/*
+ * This will be called on generation of the ephemeral server key
+ */
+void
+audit_generate_ephemeral_server_key(const char *)
+{
+ debug("audit create ephemeral server key euid %d fingerprint %s", geteuid(), fp);
}
# endif /* !defined CUSTOM_SSH_AUDIT_EVENTS */
#endif /* SSH_AUDIT_EVENTS */
@ -288,7 +273,7 @@ diff -up openssh-7.6p1/audit.h.audit openssh-7.6p1/audit.h
enum ssh_audit_event_type {
SSH_LOGIN_EXCEED_MAXTRIES,
@@ -43,13 +44,33 @@ enum ssh_audit_event_type {
@@ -43,13 +44,32 @@ enum ssh_audit_event_type {
SSH_CONNECTION_ABANDON, /* closed without completing auth */
SSH_AUDIT_UNKNOWN
};
@ -320,7 +305,6 @@ diff -up openssh-7.6p1/audit.h.audit openssh-7.6p1/audit.h
+void audit_session_key_free(int ctos);
+void audit_session_key_free_body(int ctos, pid_t, uid_t);
+void audit_destroy_sensitive_data(const char *, pid_t, uid_t);
+void audit_generate_ephemeral_server_key(const char *);
#endif /* _SSH_AUDIT_H */
diff -up openssh-7.6p1/audit-linux.c.audit openssh-7.6p1/audit-linux.c
@ -529,7 +513,7 @@ diff -up openssh-7.6p1/audit-linux.c.audit openssh-7.6p1/audit-linux.c
}
void
@@ -103,24 +231,180 @@ audit_event(ssh_audit_event_t event)
@@ -103,24 +231,158 @@ audit_event(ssh_audit_event_t event)
switch(event) {
case SSH_AUTH_SUCCESS:
@ -690,28 +674,6 @@ diff -up openssh-7.6p1/audit-linux.c.audit openssh-7.6p1/audit-linux.c
+ /* do not abort if the error is EPERM and sshd is run as non root user */
+ if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
+ error("cannot write into audit");
+}
+
+void
+audit_generate_ephemeral_server_key(const char *fp)
+{
+ char buf[AUDIT_LOG_SIZE];
+ int audit_fd, audit_ok;
+
+ snprintf(buf, sizeof(buf), "op=create kind=server fp=%s direction=? ", fp);
+ audit_fd = audit_open();
+ if (audit_fd < 0) {
+ if (errno != EINVAL && errno != EPROTONOSUPPORT &&
+ errno != EAFNOSUPPORT)
+ error("cannot open audit");
+ return;
+ }
+ audit_ok = audit_log_user_message(audit_fd, AUDIT_CRYPTO_KEY_USER,
+ buf, NULL, 0, NULL, 1);
+ audit_close(audit_fd);
+ /* do not abort if the error is EPERM and sshd is run as non root user */
+ if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
+ error("cannot write into audit");
+}
#endif /* USE_LINUX_AUDIT */
diff -up openssh-7.6p1/auditstub.c.audit openssh-7.6p1/auditstub.c