Re: [PATCH] gssd: Cleaned up debug messages

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On 6/10/21 11:08 AM, Steve Dickson wrote:
Added tids to a number of statements
Broke the lifetime_rec secs into a readable format
Printed tids out correctly
Trim down the output of both '-v' and '-vv'

Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
Committed (tag: nfs-utils-2-5-4-rc7)

steved.
---
  utils/gssd/err_util.c  | 14 ++++++++++++++
  utils/gssd/err_util.h  |  1 +
  utils/gssd/gssd.c      | 12 ++++++------
  utils/gssd/gssd_proc.c | 34 ++++++++++++++++++++++------------
  utils/gssd/krb5_util.c | 29 +++++++++++++++++------------
  5 files changed, 60 insertions(+), 30 deletions(-)

diff --git a/utils/gssd/err_util.c b/utils/gssd/err_util.c
index 2b1132ac..27abd236 100644
--- a/utils/gssd/err_util.c
+++ b/utils/gssd/err_util.c
@@ -70,3 +70,17 @@ int get_verbosity(void)
  {
  	return verbosity;
  }
+
+char *
+sec2time(int value)
+{
+    static char buf[BUFSIZ];
+    int hr, min, sec;
+
+    hr = (value / 3600);
+    min = (value  - (3600*hr))/60;
+    sec = (value  - (3600*hr) - (min*60));
+    sprintf(buf, "%dh:%dm:%ds", hr, min, sec);
+    return(buf);
+}
+
diff --git a/utils/gssd/err_util.h b/utils/gssd/err_util.h
index c4df32da..6fa9d3d7 100644
--- a/utils/gssd/err_util.h
+++ b/utils/gssd/err_util.h
@@ -34,5 +34,6 @@
  void initerr(char *progname, int verbosity, int fg);
  void printerr(int priority, char *format, ...);
  int get_verbosity(void);
+char * sec2time(int);
#endif /* _ERR_UTIL_H_ */
diff --git a/utils/gssd/gssd.c b/utils/gssd/gssd.c
index 4ca637f4..4113cbab 100644
--- a/utils/gssd/gssd.c
+++ b/utils/gssd/gssd.c
@@ -396,7 +396,7 @@ gssd_free_client(struct clnt_info *clp)
  	if (refcnt > 0)
  		return;
- printerr(3, "freeing client %s\n", clp->relpath);
+	printerr(4, "freeing client %s\n", clp->relpath);
if (clp->krb5_fd >= 0)
  		close(clp->krb5_fd);
@@ -417,7 +417,7 @@ gssd_free_client(struct clnt_info *clp)
  static void
  gssd_destroy_client(struct clnt_info *clp)
  {
-	printerr(3, "destroying client %s\n", clp->relpath);
+	printerr(4, "destroying client %s\n", clp->relpath);
if (clp->krb5_ev) {
  		event_del(clp->krb5_ev);
@@ -494,7 +494,7 @@ scan_active_thread_list(void)
  			 * upcall_thread_info from the list and free it.
  			 */
  			if (tret == PTHREAD_CANCELED)
-				printerr(3, "watchdog: thread id 0x%lx cancelled successfully\n",
+				printerr(2, "watchdog: thread id 0x%lx cancelled successfully\n",
  						info->tid);
  			saveprev = info->list.tqe_prev;
  			TAILQ_REMOVE(&active_thread_list, info, list);
@@ -598,7 +598,7 @@ gssd_get_clnt(struct topdir *tdi, const char *name)
  		if (!strcmp(clp->name, name))
  			return clp;
- printerr(3, "creating client %s/%s\n", tdi->name, name);
+	printerr(4, "creating client %s/%s\n", tdi->name, name);
clp = calloc(1, sizeof(struct clnt_info));
  	if (!clp) {
@@ -639,7 +639,7 @@ gssd_scan_clnt(struct clnt_info *clp)
  {
  	int clntfd;
- printerr(3, "scanning client %s\n", clp->relpath);
+	printerr(4, "scanning client %s\n", clp->relpath);
clntfd = openat(pipefs_fd, clp->relpath, O_RDONLY);
  	if (clntfd < 0) {
@@ -798,7 +798,7 @@ gssd_scan(void)
  {
  	struct dirent *d;
- printerr(3, "doing a full rescan\n");
+	printerr(4, "doing a full rescan\n");
  	rewinddir(pipefs_dir);
while ((d = readdir(pipefs_dir))) {
diff --git a/utils/gssd/gssd_proc.c b/utils/gssd/gssd_proc.c
index e849d104..ae568f15 100644
--- a/utils/gssd/gssd_proc.c
+++ b/utils/gssd/gssd_proc.c
@@ -166,8 +166,9 @@ do_downcall(int k5_fd, uid_t uid, struct authgss_private_data *pd,
  	unsigned int buf_size = 0;
  	pthread_t tid = pthread_self();
- printerr(2, "do_downcall(0x%x): lifetime_rec=%u acceptor=%.*s\n",
-		tid, lifetime_rec, acceptor->length, acceptor->value);
+	if (get_verbosity() > 1)
+		printerr(2, "do_downcall(0x%lx): lifetime_rec=%s acceptor=%.*s\n",
+			tid, sec2time(lifetime_rec), acceptor->length, acceptor->value);
  	buf_size = sizeof(uid) + sizeof(timeout) + sizeof(pd->pd_seq_win) +
  		sizeof(pd->pd_ctx_hndl.length) + pd->pd_ctx_hndl.length +
  		sizeof(context_token->length) + context_token->length +
@@ -193,7 +194,7 @@ do_downcall(int k5_fd, uid_t uid, struct authgss_private_data *pd,
  	return;
  out_err:
  	free(buf);
-	printerr(1, "do_downcall(0x%x): Failed to write downcall!\n", tid);
+	printerr(1, "do_downcall(0x%lx): Failed to write downcall!\n", tid);
  	return;
  }
@@ -204,8 +205,9 @@ do_error_downcall(int k5_fd, uid_t uid, int err)
  	char	*p = buf, *end = buf + 1024;
  	unsigned int timeout = 0;
  	int	zero = 0;
+	pthread_t tid = pthread_self();
- printerr(2, "doing error downcall\n");
+	printerr(2, "do_error_downcall(0x%lx): uid %d err %d\n", tid, uid, err);
if (WRITE_BYTES(&p, end, uid)) goto out_err;
  	if (WRITE_BYTES(&p, end, timeout)) goto out_err;
@@ -328,6 +330,7 @@ create_auth_rpc_client(struct clnt_info *clp,
  	struct timeval	timeout;
  	struct sockaddr		*addr = (struct sockaddr *) &clp->addr;
  	socklen_t		salen;
+	pthread_t tid = pthread_self();
sec.qop = GSS_C_QOP_DEFAULT;
  	sec.svc = RPCSEC_GSS_SVC_NONE;
@@ -361,8 +364,8 @@ create_auth_rpc_client(struct clnt_info *clp,
/* create an rpc connection to the nfs server */ - printerr(2, "creating %s client for server %s\n", clp->protocol,
-			clp->servername);
+	printerr(3, "create_auth_rpc_client(0x%lx): creating %s client for server %s\n",
+		tid, clp->protocol, clp->servername);
protocol = IPPROTO_TCP;
  	if ((strcmp(clp->protocol, "udp")) == 0)
@@ -405,7 +408,8 @@ create_auth_rpc_client(struct clnt_info *clp,
  	if (!tgtname)
  		tgtname = clp->servicename;
- printerr(2, "creating context with server %s\n", tgtname);
+	printerr(3, "create_auth_rpc_client(0x%lx): creating context with server %s\n",
+		tid, tgtname);
  	auth = authgss_create_default(rpc_clnt, tgtname, &sec);
  	if (!auth) {
  		/* Our caller should print appropriate message */
@@ -511,9 +515,10 @@ krb5_not_machine_creds(struct clnt_info *clp, uid_t uid, char *tgtname,
  	gss_cred_id_t	gss_cred;
  	char		**dname;
  	int		err, resp = -1;
+	pthread_t tid = pthread_self();
- printerr(2, "krb5_not_machine_creds: uid %d tgtname %s\n",
-		uid, tgtname);
+	printerr(2, "krb5_not_machine_creds(0x%lx): uid %d tgtname %s\n",
+		tid, uid, tgtname);
*chg_err = change_identity(uid);
  	if (*chg_err) {
@@ -559,9 +564,10 @@ krb5_use_machine_creds(struct clnt_info *clp, uid_t uid,
  	char	**ccname;
  	int	nocache = 0;
  	int	success = 0;
+	pthread_t tid = pthread_self();
- printerr(2, "krb5_use_machine_creds: uid %d tgtname %s\n",
-		uid, tgtname);
+	printerr(2, "krb5_use_machine_creds(0x%lx): uid %d tgtname %s\n",
+		tid, uid, tgtname);
do {
  		gssd_refresh_krb5_machine_credential(clp->servername,
@@ -878,6 +884,7 @@ start_upcall_thread(void (*func)(struct clnt_upcall_info *), struct clnt_upcall_
  	pthread_t th;
  	struct upcall_thread_info *tinfo;
  	int ret;
+	pthread_t tid = pthread_self();
tinfo = alloc_upcall_thread_info();
  	if (!tinfo)
@@ -900,6 +907,9 @@ start_upcall_thread(void (*func)(struct clnt_upcall_info *), struct clnt_upcall_
  		free(tinfo);
  		return ret;
  	}
+	printerr(2, "start_upcall_thread(0x%lx): created thread id 0x%lx\n",
+		tid, th);
+
  	tinfo->tid = th;
  	pthread_mutex_lock(&active_thread_list_lock);
  	clock_gettime(CLOCK_MONOTONIC, &tinfo->timeout);
@@ -962,7 +972,7 @@ handle_gssd_upcall(struct clnt_info *clp)
  	}
  	lbuf[lbuflen-1] = 0;
- printerr(2, "\n%s(0x%x): '%s' (%s)\n", __func__, tid,
+	printerr(2, "\n%s(0x%lx): '%s' (%s)\n", __func__, tid,
  		 lbuf, clp->relpath);
for (p = strtok(lbuf, " "); p; p = strtok(NULL, " ")) {
diff --git a/utils/gssd/krb5_util.c b/utils/gssd/krb5_util.c
index 51e0c6a2..c5f1152e 100644
--- a/utils/gssd/krb5_util.c
+++ b/utils/gssd/krb5_util.c
@@ -409,6 +409,7 @@ gssd_get_single_krb5_cred(krb5_context context,
  	char *pname = NULL;
  	char *k5err = NULL;
  	int nocache = 0;
+	pthread_t tid = pthread_self();
memset(&my_creds, 0, sizeof(my_creds)); @@ -421,8 +422,8 @@ gssd_get_single_krb5_cred(krb5_context context,
  	now += 300;
  	pthread_mutex_lock(&ple_lock);
  	if (ple->ccname && ple->endtime > now && !nocache) {
-		printerr(3, "INFO: Credentials in CC '%s' are good until %d\n",
-			 ple->ccname, ple->endtime);
+		printerr(3, "%s(0x%lx): Credentials in CC '%s' are good until %s",
+			 __func__, tid, ple->ccname, ctime((time_t *)&ple->endtime));
  		code = 0;
  		pthread_mutex_unlock(&ple_lock);
  		goto out;
@@ -522,7 +523,8 @@ gssd_get_single_krb5_cred(krb5_context context,
  	}
code = 0;
-	printerr(2, "%s: principal '%s' ccache:'%s'\n", __func__, pname, cc_name);
+	printerr(2, "%s(0x%lx): principal '%s' ccache:'%s'\n",
+		__func__, tid, pname, cc_name);
    out:
  #ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS
  	if (init_opts)
@@ -651,6 +653,7 @@ get_full_hostname(const char *inhost, char *outhost, int outhostlen)
  	struct addrinfo hints;
  	int retval;
  	char *c;
+	pthread_t tid = pthread_self();
memset(&hints, 0, sizeof(hints));
  	hints.ai_socktype = SOCK_STREAM;
@@ -660,8 +663,8 @@ get_full_hostname(const char *inhost, char *outhost, int outhostlen)
  	/* Get full target hostname */
  	retval = getaddrinfo(inhost, NULL, &hints, &addrs);
  	if (retval) {
-		printerr(1, "%s while getting full hostname for '%s'\n",
-			 gai_strerror(retval), inhost);
+		printerr(1, "%s(0x%lx): getaddrinfo(%s) failed: %s\n",
+			 __func__, tid, inhost, gai_strerror(retval));
  		goto out;
  	}
  	strncpy(outhost, addrs->ai_canonname, outhostlen);
@@ -669,7 +672,10 @@ get_full_hostname(const char *inhost, char *outhost, int outhostlen)
  	for (c = outhost; *c != '\0'; c++)
  	    *c = tolower(*c);
- printerr(3, "Full hostname for '%s' is '%s'\n", inhost, outhost);
+	if (get_verbosity() && strcmp(inhost, outhost))
+		printerr(1, "%s(0x%0lx): inhost '%s' different than outhost'%s'\n",
+			inhost, outhost);
+
  	retval = 0;
  out:
  	return retval;
@@ -856,6 +862,7 @@ find_keytab_entry(krb5_context context, krb5_keytab kt,
  	krb5_principal princ;
  	const char *notsetstr = "not set";
  	char *adhostoverride = NULL;
+	pthread_t tid = pthread_self();
/* Get full target hostname */
@@ -1010,7 +1017,7 @@ find_keytab_entry(krb5_context context, krb5_keytab kt,
  					tried_upper = 1;
  				}
  			} else {
-				printerr(2, "Success getting keytab entry for '%s'\n",spn);
+				printerr(2, "find_keytab_entry(0x%lx): Success getting keytab entry for '%s'\n",tid, spn);
  				retval = 0;
  				goto out;
  			}
@@ -1151,9 +1158,6 @@ gssd_refresh_krb5_machine_credential_internal(char *hostname,
  	char *k5err = NULL;
  	const char *svcnames[] = { "$", "root", "nfs", "host", NULL };
- printerr(2, "%s: hostname=%s ple=%p service=%s srchost=%s\n",
-		__func__, hostname, ple, service, srchost);
-
  	/*
  	 * If a specific service name was specified, use it.
  	 * Otherwise, use the default list.
@@ -1162,9 +1166,10 @@ gssd_refresh_krb5_machine_credential_internal(char *hostname,
  		svcnames[0] = service;
  		svcnames[1] = NULL;
  	}
-	if (hostname == NULL && ple == NULL)
+	if (hostname == NULL && ple == NULL) {
+		printerr(0, "ERROR: %s: Invalid args\n", __func__);
  		return EINVAL;
-
+	}
  	code = krb5_init_context(&context);
  	if (code) {
  		k5err = gssd_k5_err_msg(NULL, code);





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