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fast-import.c::validate_raw_date(): really validate the value

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When reading the "raw format" timestamp from the input stream, make sure
that the timezone offset is a reasonable value by imitating 7122f82
(date.c: improve guess between timezone offset and year., 2006-06-08).

We _might_ want to also check if the timestamp itself is reasonable, but
that is left for a separate commit.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2009-09-28 23:40:09 -07:00
parent 04ce83e2b9
commit 1cd749cc07
1 changed files with 6 additions and 3 deletions
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9
fast-import.c
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@ -1744,10 +1744,12 @@ static int validate_raw_date(const char *src, char *result, int maxlen)
{
const char *orig_src = src;
char *endp;
unsigned long num;
errno = 0;
strtoul(src, &endp, 10);
num = strtoul(src, &endp, 10);
/* NEEDSWORK: perhaps check for reasonable values? */
if (errno || endp == src || *endp != ' ')
return -1;
@ -1755,8 +1757,9 @@ static int validate_raw_date(const char *src, char *result, int maxlen)
if (*src != '-' && *src != '+')
return -1;
strtoul(src + 1, &endp, 10);
if (errno || endp == src || *endp || (endp - orig_src) >= maxlen)
num = strtoul(src + 1, &endp, 10);
if (errno || endp == src + 1 || *endp || (endp - orig_src) >= maxlen ||
1400 < num)
return -1;
strcpy(result, orig_src);