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gpg: Allow expiration time after 2038-01-19 on 32 bit Windows.

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* g10/keygen.c (parse_expire_string_with_ct): Use isotime2epoch_u64.
(parse_creation_string): Ditto.
--

GnuPG-bug-id: 6736
This commit is contained in:
Werner Koch 2023-10-26 12:01:44 +02:00
parent 164c687cb6
commit a4fe307b55
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 16 additions and 5 deletions
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21
g10/keygen.c
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@ -2748,6 +2748,7 @@ parse_expire_string_with_ct (const char *string, u32 creation_time)
u32 seconds; u32 seconds;
u32 abs_date = 0; u32 abs_date = 0;
time_t tt; time_t tt;
uint64_t tmp64;
u32 curtime; u32 curtime;
if (creation_time == (u32)-1) if (creation_time == (u32)-1)
@ -2763,11 +2764,16 @@ parse_expire_string_with_ct (const char *string, u32 creation_time)
else if ((abs_date = scan_isodatestr(string)) else if ((abs_date = scan_isodatestr(string))
&& (abs_date+86400/2) > curtime) && (abs_date+86400/2) > curtime)
seconds = (abs_date+86400/2) - curtime; seconds = (abs_date+86400/2) - curtime;
else if ((tt = isotime2epoch (string)) != (time_t)(-1)) else if ((tt = isotime2epoch_u64 (string)) != (uint64_t)(-1))
seconds = (u32)tt - curtime; {
tmp64 = tt - curtime;
if (tmp64 >= (u32)(-1))
seconds = (u32)(-1) - 1; /* cap value. */
else
seconds = (u32)tmp64;
}
else if ((mult = check_valid_days (string))) else if ((mult = check_valid_days (string)))
{ {
uint64_t tmp64;
tmp64 = scan_secondsstr (string) * 86400L * mult; tmp64 = scan_secondsstr (string) * 86400L * mult;
if (tmp64 >= (u32)(-1)) if (tmp64 >= (u32)(-1))
seconds = (u32)(-1) - 1; /* cap value. */ seconds = (u32)(-1) - 1; /* cap value. */
@ -2800,8 +2806,13 @@ parse_creation_string (const char *string)
seconds = scan_secondsstr (string+8); seconds = scan_secondsstr (string+8);
else if ( !(seconds = scan_isodatestr (string))) else if ( !(seconds = scan_isodatestr (string)))
{ {
time_t tmp = isotime2epoch (string); uint64_t tmp = isotime2epoch_u64 (string);
seconds = (tmp == (time_t)(-1))? 0 : tmp; if (tmp == (uint64_t)(-1))
seconds = 0;
else if (tmp > (u32)(-1))
seconds = 0;
else
seconds = tmp;
} }
return seconds; return seconds;
} }