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agent: Avoid magic numbers. Use more accurate names.

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* agent/call-pinentry.c (PINENTRY_STATUS_CLOSE_BUTTON): New constant.
(PINENTRY_STATUS_PIN_REPEATED): Likewise.
(close_button_status_cb): Rename from this...
(pinentry_status_cb): ... to this.  Use the constants.
(agent_askpin): Rename local variable from close_button to
pinentry_status.  Use symbolic constants rather than magic numbers.

--

Signed-off-by: Neal H. Walfield <neal@g10code.com>
This commit is contained in:
Neal H. Walfield 2015-05-06 14:35:22 +02:00
parent 874ef16e70
commit d3b5cad234
1 changed files with 20 additions and 12 deletions
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32
agent/call-pinentry.c
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@ -710,11 +710,16 @@ setup_qualitybar (void)
return 0;
}
enum
{
PINENTRY_STATUS_CLOSE_BUTTON = 1 << 0,
PINENTRY_STATUS_PIN_REPEATED = 1 << 8
};
/* Check the button_info line for a close action. Also check for the
PIN_REPEATED flag. */
static gpg_error_t
close_button_status_cb (void *opaque, const char *line)
pinentry_status_cb (void *opaque, const char *line)
{
unsigned int *flag = opaque;
const char *args;
@ -722,11 +727,11 @@ close_button_status_cb (void *opaque, const char *line)
if ((args = has_leading_keyword (line, "BUTTON_INFO")))
{
if (!strcmp (args, "close"))
*flag = 1;
*flag = PINENTRY_STATUS_CLOSE_BUTTON;
}
else if (has_leading_keyword (line, "PIN_REPEATED"))
{
*flag |= 256;
*flag |= PINENTRY_STATUS_PIN_REPEATED;
}
return 0;
@ -752,7 +757,7 @@ agent_askpin (ctrl_t ctrl,
const char *errtext = NULL;
int is_pin = 0;
int saveflag;
unsigned int close_button;
unsigned int pinentry_status;
if (opt.batch)
return 0; /* fixme: we should return BAD PIN */
@ -901,10 +906,10 @@ agent_askpin (ctrl_t ctrl,
saveflag = assuan_get_flag (entry_ctx, ASSUAN_CONFIDENTIAL);
assuan_begin_confidential (entry_ctx);
close_button = 0;
pinentry_status = 0;
rc = assuan_transact (entry_ctx, "GETPIN", getpin_cb, &parm,
inq_quality, entry_ctx,
close_button_status_cb, &close_button);
pinentry_status_cb, &pinentry_status);
assuan_set_flag (entry_ctx, ASSUAN_CONFIDENTIAL, saveflag);
/* Most pinentries out in the wild return the old Assuan error code
for canceled which gets translated to an assuan Cancel error and
@ -916,7 +921,8 @@ agent_askpin (ctrl_t ctrl,
/* Change error code in case the window close button was clicked
to cancel the operation. */
if ((close_button & 1) && gpg_err_code (rc) == GPG_ERR_CANCELED)
if ((pinentry_status & PINENTRY_STATUS_CLOSE_BUTTON)
&& gpg_err_code (rc) == GPG_ERR_CANCELED)
rc = gpg_err_make (gpg_err_source (rc), GPG_ERR_FULLY_CANCELED);
if (gpg_err_code (rc) == GPG_ERR_ASS_TOO_MUCH_DATA)
@ -954,7 +960,8 @@ agent_askpin (ctrl_t ctrl,
if (!errtext)
{
if (pininfo->with_repeat && (close_button & 256))
if (pininfo->with_repeat
&& (pinentry_status & PINENTRY_STATUS_PIN_REPEATED))
pininfo->repeat_okay = 1;
return unlock_pinentry (0); /* okay, got a PIN or passphrase */
}
@ -978,7 +985,7 @@ agent_get_passphrase (ctrl_t ctrl,
char line[ASSUAN_LINELENGTH];
struct entry_parm_s parm;
int saveflag;
unsigned int close_button;
unsigned int pinentry_status;
*retpass = NULL;
if (opt.batch)
@ -1055,10 +1062,10 @@ agent_get_passphrase (ctrl_t ctrl,
saveflag = assuan_get_flag (entry_ctx, ASSUAN_CONFIDENTIAL);
assuan_begin_confidential (entry_ctx);
close_button = 0;
pinentry_status = 0;
rc = assuan_transact (entry_ctx, "GETPIN", getpin_cb, &parm,
inq_quality, entry_ctx,
close_button_status_cb, &close_button);
pinentry_status_cb, &pinentry_status);
assuan_set_flag (entry_ctx, ASSUAN_CONFIDENTIAL, saveflag);
/* Most pinentries out in the wild return the old Assuan error code
for canceled which gets translated to an assuan Cancel error and
@ -1067,7 +1074,8 @@ agent_get_passphrase (ctrl_t ctrl,
rc = gpg_err_make (gpg_err_source (rc), GPG_ERR_CANCELED);
/* Change error code in case the window close button was clicked
to cancel the operation. */
if ((close_button & 1) && gpg_err_code (rc) == GPG_ERR_CANCELED)
if ((pinentry_status & PINENTRY_STATUS_CLOSE_BUTTON)
&& gpg_err_code (rc) == GPG_ERR_CANCELED)
rc = gpg_err_make (gpg_err_source (rc), GPG_ERR_FULLY_CANCELED);
if (rc)