Author: asomers
Date: Wed Aug 20 17:04:49 2014
New Revision: 270231
URL: http://svnweb.freebsd.org/changeset/base/270231

Log:
  Misc fixes suggested by Coverity.
  
  sbin/devd/tests/client_test.c
        * In the event that popen fails, don't dereference its return value.
        * Fix array overwrite in the stream and seqpacket tests.
        * Close sockets at the end of successful ATF tests.
  
  Reported by:  Coverity scan
  CID:          1232019, 1232020, 1232029, 1232030
  MFC after:    1 week
  Sponsored by: Spectra Logic

Modified:
  head/sbin/devd/tests/client_test.c

Modified: head/sbin/devd/tests/client_test.c
==============================================================================
--- head/sbin/devd/tests/client_test.c  Wed Aug 20 17:02:37 2014        
(r270230)
+++ head/sbin/devd/tests/client_test.c  Wed Aug 20 17:04:49 2014        
(r270231)
@@ -58,6 +58,7 @@ create_two_events(void)
 
        snprintf(destroy_cmd, nitems(destroy_cmd), "mdconfig -d -u %s", mdname);
        destroy_stdout = popen(destroy_cmd, "r");
+       ATF_REQUIRE(destroy_stdout != NULL);
        /* We expect no output */
        ATF_REQUIRE_EQ(0, pclose(destroy_stdout));
 }
@@ -105,7 +106,8 @@ ATF_TC_BODY(seqpacket, tc)
                ssize_t len;
                char event[1024];
 
-               len = recv(s, event, sizeof(event), MSG_WAITALL);
+               /* Read 1 less than sizeof(event) to allow space for NULL */
+               len = recv(s, event, sizeof(event) - 1, MSG_WAITALL);
                ATF_REQUIRE(len != -1);
                /* NULL terminate the result */
                event[len] = '\0';
@@ -118,6 +120,8 @@ ATF_TC_BODY(seqpacket, tc)
                if (cmp == 0)
                        got_destroy_event = true;
        }
+
+       close(s);
 }
 
 /*
@@ -160,7 +164,8 @@ ATF_TC_BODY(stream, tc)
                ssize_t newlen;
                char *create_pos, *destroy_pos;
 
-               newlen = read(s, &event[len], sizeof(event) - len);
+               /* Read 1 less than sizeof(event) to allow space for NULL */
+               newlen = read(s, &event[len], sizeof(event) - len - 1);
                ATF_REQUIRE(newlen != -1);
                len += newlen;
                /* NULL terminate the result */
@@ -174,8 +179,9 @@ ATF_TC_BODY(stream, tc)
                destroy_pos = strstr(event, destroy_pat);
                if (destroy_pos != NULL)
                        got_destroy_event = true;
-
        }
+
+       close(s);
 }
 
 /*
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