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(krb5_cc_default_name): buffer range checking

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2314 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-07-15 15:20:48 +00:00
parent fe3a5b11b5
commit 6335294d14
1 changed files with 8 additions and 4 deletions
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12
lib/krb5/cache.c
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@@ -111,10 +111,14 @@ krb5_cc_default_name(krb5_context context)
static char name[1024]; static char name[1024];
char *p; char *p;
p = getenv("KRB5CCNAME"); p = getenv("KRB5CCNAME");
if(p) if(p) {
strcpy(name, p); strncpy (name, p, sizeof(name));
else name[sizeof(name) - 1] = '\0';
sprintf(name, "FILE:/tmp/krb5cc_%d", getuid()); } else
snprintf(name,
sizeof(name),
"FILE:/tmp/krb5cc_%u",
(unsigned)getuid());
return name; return name;
} }