oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

Make sure the gethostname() returned string is NUL terminated.

Browse Source 
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20929 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2007-06-05 21:19:22 +00:00
parent 3fdc9f718e
commit f3b2b8b19c
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
lib/gssapi/spnego/accept_sec_context.c
View File

@@ -92,7 +92,7 @@ send_supported_mechs (OM_uint32 *minor_status,
gss_buffer_t output_token) gss_buffer_t output_token)
{ {
NegotiationTokenWin nt; NegotiationTokenWin nt;
char hostname[MAXHOSTNAMELEN], *p; char hostname[MAXHOSTNAMELEN + 1], *p;
gss_buffer_desc name_buf; gss_buffer_desc name_buf;
gss_OID name_type; gss_OID name_type;
gss_name_t target_princ; gss_name_t target_princ;
@@ -117,11 +117,12 @@ send_supported_mechs (OM_uint32 *minor_status,
} }
memset(&target_princ, 0, sizeof(target_princ)); memset(&target_princ, 0, sizeof(target_princ));
if (gethostname(hostname, sizeof(hostname) - 1) != 0) { if (gethostname(hostname, sizeof(hostname) - 2) != 0) {
*minor_status = errno; *minor_status = errno;
free_NegotiationTokenWin(&nt); free_NegotiationTokenWin(&nt);
return GSS_S_FAILURE; return GSS_S_FAILURE;
} }
hostname[sizeof(hostname) - 1] = '\0';
/* Send the constructed SAM name for this host */ /* Send the constructed SAM name for this host */
for (p = hostname; *p != '\0' && *p != '.'; p++) { for (p = hostname; *p != '\0' && *p != '.'; p++) {