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Minor text and formatting cleanups.

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This commit is contained in:
David Garske
2022-05-06 10:54:35 -07:00
parent ef89e2e637
commit 3e774be88c
3 changed files with 47 additions and 44 deletions
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13
src/ssl.c
View File

@@ -45310,15 +45310,14 @@ WOLFSSL_ASN1_TIME* wolfSSL_ASN1_TIME_adj(WOLFSSL_ASN1_TIME *s, time_t t,
const time_t sec_per_day = 24*60*60;
time_t t_adj = 0;
time_t offset_day_sec = 0;
char time_str_buf[MAX_TIME_STRING_SZ] = {0};
char* time_str = time_str_buf;
char time_str[MAX_TIME_STRING_SZ];
int time_get;
WOLFSSL_ENTER("wolfSSL_ASN1_TIME_adj");
if (s == NULL){
if (s == NULL) {
s = wolfSSL_ASN1_TIME_new();
if (s == NULL){
if (s == NULL) {
return NULL;
}
}
@@ -45327,9 +45326,9 @@ WOLFSSL_ASN1_TIME* wolfSSL_ASN1_TIME_adj(WOLFSSL_ASN1_TIME *s, time_t t,
offset_day_sec = offset_day * sec_per_day;
t_adj = t + offset_day_sec + offset_sec;
/* Get UTC Time */
time_get = GetUnformattedTimeString(&t_adj, (byte*) time_str,
sizeof(time_str_buf));
/* Get time string as either UTC or GeneralizedTime */
time_get = GetFormattedTime(&t_adj, (byte*)time_str,
(word32)sizeof(time_str));
if (time_get <= 0) {
wolfSSL_ASN1_TIME_free(s);
return NULL;

76
wolfcrypt/src/asn.c
View File

@@ -12201,7 +12201,7 @@ int GetTimeString(byte* date, int format, char* buf, int len)
int GetAsnTimeString(void* currTime, byte* buf, word32 len)
{
byte* data_ptr = buf;
byte uf_time[ASN_GENERALIZED_TIME_SIZE] = {0};
byte uf_time[ASN_GENERALIZED_TIME_SIZE];
word32 data_len = 0;
WOLFSSL_ENTER("GetAsnTimeString");
@@ -12209,49 +12209,51 @@ int GetAsnTimeString(void* currTime, byte* buf, word32 len)
if (buf == NULL || len == 0)
return BAD_FUNC_ARG;
data_len = GetUnformattedTimeString(currTime, uf_time, len);
/* ensure room to add 2 bytes (ASN type and length) before proceeding */
if(data_len <= 0) {
XMEMSET(uf_time, 0, sizeof(uf_time));
/* GetFormattedTime returns length with null terminator */
data_len = GetFormattedTime(currTime, uf_time, len);
if (data_len <= 0) {
return ASN_TIME_E;
} else if (len < data_len + 2) {
}
/* ensure room to add 2 bytes (ASN type and length) before proceeding */
else if (len < data_len + 2) {
return BUFFER_E;
}
/* Increment by 1 for ASN type, it is critical that this increment occur
* prior to the check on data_len being ASN_UTC_TIME_SIZE or
* ASN_GENERALIZED_TIME_SIZE since GetUnformattedTimeString returns the
* length without NULL terminator
* (IE 13 instead of 14 for ASN_UTC_TIME_SIZE) This logic WILL NEED updated
* if ASN_UTC_TIME_SIZE or ASN_GENERALIZED_TIME_SIZE are ever modified */
data_len++;
if (data_len == ASN_UTC_TIME_SIZE) {
if (data_len == ASN_UTC_TIME_SIZE-1) {
/* increment data_len for ASN length byte after adding the data_ptr */
*data_ptr = (byte) ASN_UTC_TIME; data_ptr++; data_len++;
*data_ptr = (byte)ASN_UTC_TIME; data_ptr++; data_len++;
/* -1 below excludes null terminator */
*data_ptr = (byte) ASN_UTC_TIME_SIZE - 1; data_ptr++;
XMEMCPY(data_ptr,(byte *)uf_time, ASN_UTC_TIME_SIZE - 1);
} else if (data_len == ASN_GENERALIZED_TIME_SIZE) {
*data_ptr = (byte)ASN_UTC_TIME_SIZE - 1; data_ptr++; data_len++;
XMEMCPY(data_ptr, (byte *)uf_time, ASN_UTC_TIME_SIZE - 1);
*data_ptr += ASN_UTC_TIME_SIZE - 1;
}
else if (data_len == ASN_GENERALIZED_TIME_SIZE-1) {
/* increment data_len for ASN length byte after adding the data_ptr */
*data_ptr = (byte) ASN_GENERALIZED_TIME; data_ptr++; data_len++;
*data_ptr = (byte)ASN_GENERALIZED_TIME; data_ptr++; data_len++;
/* -1 below excludes null terminator */
*data_ptr = (byte) ASN_GENERALIZED_TIME_SIZE - 1; data_ptr++;
XMEMCPY(data_ptr,(byte *)uf_time, ASN_GENERALIZED_TIME_SIZE - 1);
} else {
*data_ptr = (byte)ASN_GENERALIZED_TIME_SIZE - 1; data_ptr++; data_len++;
XMEMCPY(data_ptr, (byte*)uf_time, ASN_GENERALIZED_TIME_SIZE - 1);
*data_ptr += ASN_GENERALIZED_TIME_SIZE - 1;
}
else {
WOLFSSL_MSG("Invalid time size returned");
return ASN_TIME_E;
}
/* append null terminator */
*data_ptr = 0;
/* return length without null terminator */
return data_len;
}
/* return just the raw time string */
int GetUnformattedTimeString(void* currTime, byte* buf, word32 len)
/* return just the time string as either UTC or Generalized Time*/
int GetFormattedTime(void* currTime, byte* buf, word32 len)
{
struct tm* ts = NULL;
struct tm* tmpTime = NULL;
int year, mon, day, hour, mini, sec;
int ret_bytes_len = 0;
int ret;
#if defined(NEED_TMP_TIME)
struct tm tmpTimeStorage;
tmpTime = &tmpTimeStorage;
@@ -12259,13 +12261,13 @@ int GetUnformattedTimeString(void* currTime, byte* buf, word32 len)
(void)tmpTime;
#endif
WOLFSSL_ENTER("GetTimeString");
WOLFSSL_ENTER("GetFormattedTime");
if (buf == NULL || len == 0)
return BAD_FUNC_ARG;
ts = (struct tm *)XGMTIME((time_t*)currTime, tmpTime);
if (ts == NULL){
if (ts == NULL) {
WOLFSSL_MSG("failed to get time data.");
return ASN_TIME_E;
}
@@ -12277,7 +12279,8 @@ int GetUnformattedTimeString(void* currTime, byte* buf, word32 len)
/* UTC Time */
if (ts->tm_year >= 50 && ts->tm_year < 100) {
year = ts->tm_year;
} else if (ts->tm_year >= 100 && ts->tm_year < 150) {
}
else if (ts->tm_year >= 100 && ts->tm_year < 150) {
year = ts->tm_year - 100;
}
else {
@@ -12289,10 +12292,11 @@ int GetUnformattedTimeString(void* currTime, byte* buf, word32 len)
hour = ts->tm_hour;
mini = ts->tm_min;
sec = ts->tm_sec;
ret_bytes_len = XSNPRINTF((char *)buf, len,
"%02d%02d%02d%02d%02d%02dZ", year, mon, day,
hour, mini, sec);
} else {
ret = XSNPRINTF((char*)buf, len,
"%02d%02d%02d%02d%02d%02dZ", year, mon, day,
hour, mini, sec);
}
else {
/* GeneralizedTime */
year = ts->tm_year + 1900;
mon = ts->tm_mon + 1;
@@ -12300,12 +12304,12 @@ int GetUnformattedTimeString(void* currTime, byte* buf, word32 len)
hour = ts->tm_hour;
mini = ts->tm_min;
sec = ts->tm_sec;
ret_bytes_len = XSNPRINTF((char *)buf, len,
"%4d%02d%02d%02d%02d%02dZ", year, mon, day,
hour, mini, sec);
ret = XSNPRINTF((char*)buf, len,
"%4d%02d%02d%02d%02d%02dZ", year, mon, day,
hour, mini, sec);
}
return ret_bytes_len;
return ret;
}
#endif /* !NO_ASN_TIME && !USER_TIME && !TIME_OVERRIDES &&

2
wolfssl/wolfcrypt/asn.h
View File

@@ -1901,7 +1901,7 @@ WOLFSSL_LOCAL int GetTimeString(byte* date, int format, char* buf, int len);
#endif
#if !defined(NO_ASN_TIME) && !defined(USER_TIME) && \
!defined(TIME_OVERRIDES) && (defined(OPENSSL_EXTRA) || defined(HAVE_PKCS7))
WOLFSSL_LOCAL int GetUnformattedTimeString(void* currTime, byte* buf, word32 len);
WOLFSSL_LOCAL int GetFormattedTime(void* currTime, byte* buf, word32 len);
WOLFSSL_LOCAL int GetAsnTimeString(void* currTime, byte* buf, word32 len);
#endif
WOLFSSL_LOCAL int ExtractDate(const unsigned char* date, unsigned char format,