Merge pull request #359 from ikerexxe/rest_resource_leak

Fix covscan RESOURCE_LEAK

lib/commonio.c

@@ -336,8 +336,12 @@ static int create_backup (const char *backup, FILE * fp)
 		/* FIXME: unlink the backup file? */
 		return -1;
 	}
-	if (   (fsync (fileno (bkfp)) != 0)
+	if (fsync (fileno (bkfp)) != 0) {
-	    || (fclose (bkfp) != 0)) {
+		(void) fclose (bkfp);
+		/* FIXME: unlink the backup file? */
+		return -1;
+	}
+	if (fclose (bkfp) != 0) {
 		/* FIXME: unlink the backup file? */
 		return -1;
 	}

libmisc/addgrps.c

@@ -57,6 +57,7 @@ int add_groups (const char *list)
 	bool added;
 	char *token;
 	char buf[1024];
+	int ret;
 
 	if (strlen (list) >= sizeof (buf)) {
 		errno = EINVAL;
@@ -120,9 +121,12 @@ int add_groups (const char *list)
 	}
 
 	if (added) {
-		return setgroups ((size_t)ngroups, grouplist);
+		ret = setgroups ((size_t)ngroups, grouplist);
+		free (grouplist);
+		return ret;
 	}
 
+	free (grouplist);
 	return 0;
 }
 #else				/* HAVE_SETGROUPS && !USE_PAM */

libmisc/chowntty.c

@@ -62,6 +62,7 @@ void chown_tty (const struct passwd *info)
 	grent = getgr_nam_gid (getdef_str ("TTYGROUP"));
 	if (NULL != grent) {
 		gid = grent->gr_gid;
+		gr_free (grent);
 	} else {
 		gid = info->pw_gid;
 	}

libmisc/copydir.c

@@ -745,6 +745,7 @@ static int copy_file (const char *src, const char *dst,
 	}
 #ifdef WITH_SELINUX
 	if (set_selinux_file_context (dst, S_IFREG) != 0) {
+		(void) close (ifd);
 		return -1;
 	}
 #endif				/* WITH_SELINUX */
@@ -771,12 +772,16 @@ static int copy_file (const char *src, const char *dst,
 	        && (errno != 0))
 #endif				/* WITH_ATTR */
 	   ) {
+		if (ofd >= 0) {
+			(void) close (ofd);
+		}
 		(void) close (ifd);
 		return -1;
 	}
 
 	while ((cnt = read (ifd, buf, sizeof buf)) > 0) {
 		if (write (ofd, buf, (size_t)cnt) != cnt) {
+			(void) close (ofd);
 			(void) close (ifd);
 			return -1;
 		}
@@ -786,6 +791,7 @@ static int copy_file (const char *src, const char *dst,
 
 #ifdef HAVE_FUTIMES
 	if (futimes (ofd, mt) != 0) {
+		(void) close (ofd);
 		return -1;
 	}
 #endif				/* HAVE_FUTIMES */

libmisc/idmapping.c

@@ -241,4 +241,5 @@ void write_mapping(int proc_dir_fd, int ranges, struct map_range *mappings,
 		exit(EXIT_FAILURE);
 	}
 	close(fd);
+	free(buf);
 }

libmisc/list.c

@@ -241,6 +241,7 @@ bool is_on_list (char *const *list, const char *member)
 
 	if ('\0' == *members) {
 		*array = (char *) 0;
+		free (members);
 		return array;
 	}
 
@@ -262,6 +263,8 @@ bool is_on_list (char *const *list, const char *member)
 		}
 	}
 
+	free (members);
+
 	/*
 	 * Return the new array of pointers
 	 */

libmisc/myname.c

@@ -62,6 +62,9 @@
 		if ((NULL != pw) && (pw->pw_uid == ruid)) {
 			return pw;
 		}
+		if (NULL != pw) {
+			pw_free (pw);
+		}
 	}
 
 	return xgetpwuid (ruid);

libmisc/user_busy.c

@@ -269,6 +269,7 @@ static int user_busy_processes (const char *name, uid_t uid)
 				}
 				if (check_status (name, task_path+6, uid) != 0) {
 					(void) closedir (proc);
+					(void) closedir (task_dir);
 #ifdef ENABLE_SUBIDS
 					sub_uid_close();
 #endif

src/newgrp.c

@@ -162,8 +162,9 @@ static void check_perms (const struct group *grp,
 	 */
 	spwd = xgetspnam (pwd->pw_name);
 	if (NULL != spwd) {
-		pwd->pw_passwd = spwd->sp_pwdp;
+		pwd->pw_passwd = xstrdup (spwd->sp_pwdp);
 	}
+	spw_free (spwd);
 
 	if ((pwd->pw_passwd[0] == '\0') && (grp->gr_passwd[0] != '\0')) {
 		needspasswd = true;

src/passwd.c

@@ -553,6 +553,11 @@ static char *update_crypt_pw (char *cp)
 
 		strcpy (newpw, "!");
 		strcat (newpw, cp);
+#ifndef USE_PAM
+		if (do_update_pwd) {
+			free (cp);
+		}
+#endif /* USE_PAM */
 		cp = newpw;
 	}
 	return cp;