File 0006-Fix-compile-warnings-with-GCC-7.2.1.patch of Package corosync

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File 0006-Fix-compile-warnings-with-GCC-7.2.1.patch of Package corosync (Revision cd4161f1c4c8b680dddb1fc865fc7f8c)

Currently displaying revision cd4161f1c4c8b680dddb1fc865fc7f8c , Show latest

1. sam: Fix snprintf compiler warnings
2. cpg_test_agent: Fix snprintf compiler warnings
3. quorumtool: Use full buffer size in snprintf
4. readdir_r is deprecated in glibc 2.24 in favor of readdir
---
 cts/agents/cpg_test_agent.c |  8 ++++----
 exec/coroparse.c            | 18 +++---------------
 lib/sam.c                   | 36 ++++++++++++++++++++++++++++--------
 tools/corosync-quorumtool.c |  2 +-
 4 files changed, 36 insertions(+), 28 deletions(-)

diff --git a/cts/agents/cpg_test_agent.c b/cts/agents/cpg_test_agent.c
index 0837c69c..2224141c 100644
--- a/cts/agents/cpg_test_agent.c
+++ b/cts/agents/cpg_test_agent.c
@@ -211,8 +211,8 @@ static void config_change_callback (
 		if (record_config_events_g > 0) {
 			log_pt = malloc (sizeof(log_entry_t));
 			list_init (&log_pt->list);
-			snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,left",
-				groupName->value, left_list[i].nodeid,left_list[i].pid);
+			assert(snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,left",
+				groupName->value, left_list[i].nodeid,left_list[i].pid) < LOG_STR_SIZE);
 			list_add_tail(&log_pt->list, &config_chg_log_head);
 			qb_log (LOG_INFO, "cpg event %s", log_pt->log);
 		}
@@ -221,8 +221,8 @@ static void config_change_callback (
 		if (record_config_events_g > 0) {
 			log_pt = malloc (sizeof(log_entry_t));
 			list_init (&log_pt->list);
-			snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,join",
-				groupName->value, joined_list[i].nodeid,joined_list[i].pid);
+			assert(snprintf (log_pt->log, LOG_STR_SIZE, "%s,%u,%u,join",
+				groupName->value, joined_list[i].nodeid,joined_list[i].pid) < LOG_STR_SIZE);
 			list_add_tail (&log_pt->list, &config_chg_log_head);
 			qb_log (LOG_INFO, "cpg event %s", log_pt->log);
 		}
diff --git a/exec/coroparse.c b/exec/coroparse.c
index 2777a632..96bb83a5 100644
--- a/exec/coroparse.c
+++ b/exec/coroparse.c
@@ -1241,11 +1241,8 @@ static int read_uidgid_files_into_icmap(
 	const char *dirname;
 	DIR *dp;
 	struct dirent *dirent;
-	struct dirent *entry;
 	char filename[PATH_MAX + FILENAME_MAX + 1];
 	int res = 0;
-	size_t len;
-	int return_code;
 	struct stat stat_buf;
 	enum main_cp_cb_data_state state = MAIN_CP_CB_DATA_STATE_NORMAL;
 	char key_name[ICMAP_KEYNAME_MAXLEN];
@@ -1256,17 +1253,9 @@ static int read_uidgid_files_into_icmap(
 	if (dp == NULL)
 		return 0;
 
-	len = offsetof(struct dirent, d_name) + FILENAME_MAX + 1;
-
-	entry = malloc(len);
-	if (entry == NULL) {
-		res = 0;
-		goto error_exit;
-	}
-
-	for (return_code = readdir_r(dp, entry, &dirent);
-		dirent != NULL && return_code == 0;
-		return_code = readdir_r(dp, entry, &dirent)) {
+	for (dirent = readdir(dp);
+		dirent != NULL;
+		dirent = readdir(dp)) {
 
 		snprintf(filename, sizeof (filename), "%s/%s", dirname, dirent->d_name);
 		res = stat (filename, &stat_buf);
@@ -1288,7 +1277,6 @@ static int read_uidgid_files_into_icmap(
 	}
 
 error_exit:
-	free (entry);
 	closedir(dp);
 
 	return res;
diff --git a/lib/sam.c b/lib/sam.c
index 33aa3944..527b99cb 100644
--- a/lib/sam.c
+++ b/lib/sam.c
@@ -145,6 +145,7 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
 	cs_error_t err;
 	const char *svalue;
 	uint64_t hc_period, last_hc;
+
 	const char *ssvalue[] = { [SAM_RECOVERY_POLICY_QUIT] = "quit", [SAM_RECOVERY_POLICY_RESTART] = "restart" };
 	char key_name[CMAP_KEYNAME_MAXLEN];
 
@@ -152,8 +153,13 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
 	case SAM_CMAP_KEY_RECOVERY:
 		svalue = ssvalue[SAM_RP_MASK (sam_internal_data.recovery_policy)];
 
-		snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
-				"recovery");
+		if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
+		    "recovery") >= CMAP_KEYNAME_MAXLEN) {
+
+			err = CS_ERR_NAME_TOO_LONG;
+			goto exit_error;
+		}
+
 		if ((err = cmap_set_string(sam_internal_data.cmap_handle, key_name, svalue)) != CS_OK) {
 			goto exit_error;
 		}
@@ -161,8 +167,13 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
 	case SAM_CMAP_KEY_HC_PERIOD:
 		hc_period = sam_internal_data.time_interval;
 
-		snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
-				"poll_period");
+		if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
+		    "poll_period") >= CMAP_KEYNAME_MAXLEN) {
+
+			err = CS_ERR_NAME_TOO_LONG;
+			goto exit_error;
+		}
+
 		if ((err = cmap_set_uint64(sam_internal_data.cmap_handle, key_name, hc_period)) != CS_OK) {
 			goto exit_error;
 		}
@@ -170,16 +181,25 @@ static cs_error_t sam_cmap_update_key (enum sam_cmap_key_t key, const char *valu
 	case SAM_CMAP_KEY_LAST_HC:
 		last_hc = cs_timestamp_get();
 
-		snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
-				"last_updated");
+		if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
+		    "last_updated") >= CMAP_KEYNAME_MAXLEN) {
+
+			err = CS_ERR_NAME_TOO_LONG;
+			goto exit_error;
+		}
 		if ((err = cmap_set_uint64(sam_internal_data.cmap_handle, key_name, last_hc)) != CS_OK) {
 			goto exit_error;
 		}
 		break;
 	case SAM_CMAP_KEY_STATE:
 		svalue = value;
-		snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
-				"state");
+		if (snprintf(key_name, CMAP_KEYNAME_MAXLEN, "%s%s", sam_internal_data.cmap_pid_path,
+		    "state") >= CMAP_KEYNAME_MAXLEN) {
+
+			err = CS_ERR_NAME_TOO_LONG;
+			goto exit_error;
+		}
+
 		if ((err = cmap_set_string(sam_internal_data.cmap_handle, key_name, svalue)) != CS_OK) {
 			goto exit_error;
 		}
diff --git a/tools/corosync-quorumtool.c b/tools/corosync-quorumtool.c
index 52c141ce..19696659 100644
--- a/tools/corosync-quorumtool.c
+++ b/tools/corosync-quorumtool.c
@@ -519,7 +519,7 @@ static void display_nodes_data(nodeid_format_t nodeid_format, name_format_t name
 				if (info[i].flags & VOTEQUORUM_INFO_QDEVICE_REGISTERED) {
 					char buf[10];
 
-					snprintf(buf, sizeof(buf) - 1,
+					snprintf(buf, sizeof(buf),
 						 "%s,%s,%s",
 						 info[i].flags & VOTEQUORUM_INFO_QDEVICE_ALIVE?"A":"NA",
 						 info[i].flags & VOTEQUORUM_INFO_QDEVICE_CAST_VOTE?"V":"NV",
-- 
2.13.6

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File 0006-Fix-compile-warnings-with-GCC-7.2.1.patch of Package corosync (Revision cd4161f1c4c8b680dddb1fc865fc7f8c)

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