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tools: Fix NULL deref in gpg-connect-agent. 

* tools/gpg-connect-agent.c (handle_inquire): Do not pass NULL to
strlen.
This commit is contained in:
Werner Koch 2014-03-18 16:49:38 +01:00
parent 6c058fac65
commit 6376227a31
1 changed files with 4 additions and 1 deletions
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5
tools/gpg-connect-agent.c
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@ -1936,7 +1936,10 @@ handle_inquire (assuan_context_t ctx, char *line)
if (d->is_var)
{
char *tmpvalue = get_var_ext (d->file);
rc = assuan_send_data (ctx, tmpvalue, strlen (tmpvalue));
if (tmpvalue)
rc = assuan_send_data (ctx, tmpvalue, strlen (tmpvalue));
else
rc = assuan_send_data (ctx, "", 0);
xfree (tmpvalue);
if (rc)
log_error ("sending data back failed: %s\n", gpg_strerror (rc) );