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Use non deprecated OpenSSL accessors for ASN1_STRING values. #1642

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Use non deprecated OpenSSL accessors for ASN1_STRING values. #1642

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4c99fd3
Use non deprecated OpenSSL accessors for ASN1_STRING values.
bob-beck Dec 5, 2025
6073d5a
fixup! Use non deprecated OpenSSL accessors for ASN1_STRING values.
bob-beck Dec 5, 2025
43fe6e7
fixup! Use non deprecated OpenSSL accessors for ASN1_STRING values.
bob-beck Dec 6, 2025
3e9a318
fixup! Use non deprecated OpenSSL accessors for ASN1_STRING values.
bob-beck Dec 12, 2025
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46 changes: 27 additions & 19 deletions libclamav/crypto.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1748,28 +1748,32 @@ X509 *cl_load_cert(const char *certpath)

struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj)
{
struct tm *t;
char *str;
const char *fmt = NULL;
struct tm *ret = NULL;
struct tm *t = NULL;
char *str = NULL;
const char *data, *fmt = NULL;
time_t localt;
#ifdef _WIN32
struct tm localtm, *ltm;
#else
struct tm localtm;
#endif

if (!(timeobj) || !(timeobj->data))
return NULL;
if (timeobj == NULL || (data = ASN1_STRING_get0_data(timeobj)) == NULL)
goto done;

str = CLI_STRNDUP(data, ASN1_STRING_length(timeobj));
if (NULL == str)
goto done;

str = (char *)(timeobj->data);
if (strlen(str) < 12)
return NULL;
goto done;

t = (struct tm *)calloc(1, sizeof(struct tm));
if (!(t))
return NULL;
goto done;

if (timeobj->type == V_ASN1_UTCTIME) {
if (ASN1_STRING_type(timeobj) == V_ASN1_UTCTIME) {
/* two digit year */
fmt = "%y%m%d%H%M%S";
if (str[3] == '0') {
Expand All @@ -1778,7 +1782,7 @@ struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj)
} else {
str[3]--;
}
} else if (timeobj->type == V_ASN1_GENERALIZEDTIME) {
} else if (ASN1_STRING_type(timeobj) == V_ASN1_GENERALIZEDTIME) {
/* four digit year */
fmt = "%Y%m%d%H%M%S";
if (str[5] == '0') {
Expand All @@ -1789,15 +1793,11 @@ struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj)
}
}

if (!(fmt)) {
free(t);
return NULL;
}
if (!(fmt))
goto done;

if (!strptime(str, fmt, t)) {
free(t);
return NULL;
}
if (!strptime(str, fmt, t))
goto done;

/* Convert to local time */
localt = time(NULL);
Expand All @@ -1808,7 +1808,15 @@ struct tm *cl_ASN1_GetTimeT(ASN1_TIME *timeobj)
localtime_r(&localt, &localtm);
#endif
t->tm_isdst = localtm.tm_isdst;
return t;

ret = t;
t = NULL;

done:
free(t);
free(str);

return ret;
}

X509_CRL *cl_load_crl(const char *file)
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