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gpg: Allow to specify seconds since Epoch beyond 2038.

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* g10/keygen.c (parse_expire_string_with_ct): Use new function
scan_secondsstr.
(parse_creation_string): Ditto.
--

Noet that we cap the seconds at the year 2106.

GnuPG-bug-id: 6736
This commit is contained in:
Werner Koch 2023-10-14 17:23:42 +02:00
parent f5947f7494
commit 5eaf2e9266
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 10 additions and 3 deletions
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13
g10/keygen.c
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@ -2691,14 +2691,21 @@ parse_expire_string( const char *string )
|| !strcmp (string, "never") || !strcmp (string, "-"))
seconds = 0;
else if (!strncmp (string, "seconds=", 8))
seconds = atoi (string+8);
seconds = scan_secondsstr (string+8);
else if ((abs_date = scan_isodatestr(string))
&& (abs_date+86400/2) > curtime)
seconds = (abs_date+86400/2) - curtime;
else if ((tt = isotime2epoch (string)) != (time_t)(-1))
seconds = (u32)tt - curtime;
else if ((mult = check_valid_days (string)))
seconds = atoi (string) * 86400L * mult;
{
uint64_t tmp64;
tmp64 = scan_secondsstr (string) * 86400L * mult;
if (tmp64 >= (u32)(-1))
seconds = (u32)(-1) - 1; /* cap value. */
else
seconds = (u32)tmp64;
}
else
seconds = (u32)(-1);
@ -2715,7 +2722,7 @@ parse_creation_string (const char *string)
if (!*string)
seconds = 0;
else if ( !strncmp (string, "seconds=", 8) )
seconds = atoi (string+8);
seconds = scan_secondsstr (string+8);
else if ( !(seconds = scan_isodatestr (string)))
{
time_t tmp = isotime2epoch (string);