Run util/openssl-format-source -v -c .
[openssl.git] / crypto / asn1 / a_utctm.c
index ce14e39261fffa83ff7529d8a1b5b30f67fb603c..0578c8887486fa2d745eb1f221affbfb5a1a8aa3 100644 (file)
@@ -5,21 +5,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
 
 #if 0
 int i2d_ASN1_UTCTIME(ASN1_UTCTIME *a, unsigned char **pp)
-       {
-#ifndef CHARSET_EBCDIC
-       return(i2d_ASN1_bytes((ASN1_STRING *)a,pp,
-               V_ASN1_UTCTIME,V_ASN1_UNIVERSAL));
-#else
-       /* KLUDGE! We convert to ascii before writing DER */
-       int len;
-       char tmp[24];
-       ASN1_STRING x = *(ASN1_STRING *)a;
-
-       len = x.length;
-       ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len);
-       x.data = tmp;
-       return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME,V_ASN1_UNIVERSAL);
-#endif
-       }
-
+{
+# ifndef CHARSET_EBCDIC
+    return (i2d_ASN1_bytes((ASN1_STRING *)a, pp,
+                           V_ASN1_UTCTIME, V_ASN1_UNIVERSAL));
+# else
+    /* KLUDGE! We convert to ascii before writing DER */
+    int len;
+    char tmp[24];
+    ASN1_STRING x = *(ASN1_STRING *)a;
+
+    len = x.length;
+    ebcdic2ascii(tmp, x.data, (len >= sizeof tmp) ? sizeof tmp : len);
+    x.data = tmp;
+    return i2d_ASN1_bytes(&x, pp, V_ASN1_UTCTIME, V_ASN1_UNIVERSAL);
+# endif
+}
 
 ASN1_UTCTIME *d2i_ASN1_UTCTIME(ASN1_UTCTIME **a, unsigned char **pp,
-            long length)
-       {
-       ASN1_UTCTIME *ret=NULL;
-
-       ret=(ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a,pp,length,
-               V_ASN1_UTCTIME,V_ASN1_UNIVERSAL);
-       if (ret == NULL)
-               {
-               ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ERR_R_NESTED_ASN1_ERROR);
-               return(NULL);
-               }
-#ifdef CHARSET_EBCDIC
-       ascii2ebcdic(ret->data, ret->data, ret->length);
-#endif
-       if (!ASN1_UTCTIME_check(ret))
-               {
-               ASN1err(ASN1_F_D2I_ASN1_UTCTIME,ASN1_R_INVALID_TIME_FORMAT);
-               goto err;
-               }
-
-       return(ret);
-err:
-       if ((ret != NULL) && ((a == NULL) || (*a != ret)))
-               M_ASN1_UTCTIME_free(ret);
-       return(NULL);
-       }
+                               long length)
+{
+    ASN1_UTCTIME *ret = NULL;
+
+    ret = (ASN1_UTCTIME *)d2i_ASN1_bytes((ASN1_STRING **)a, pp, length,
+                                         V_ASN1_UTCTIME, V_ASN1_UNIVERSAL);
+    if (ret == NULL) {
+        ASN1err(ASN1_F_D2I_ASN1_UTCTIME, ERR_R_NESTED_ASN1_ERROR);
+        return (NULL);
+    }
+# ifdef CHARSET_EBCDIC
+    ascii2ebcdic(ret->data, ret->data, ret->length);
+# endif
+    if (!ASN1_UTCTIME_check(ret)) {
+        ASN1err(ASN1_F_D2I_ASN1_UTCTIME, ASN1_R_INVALID_TIME_FORMAT);
+        goto err;
+    }
+
+    return (ret);
+ err:
+    if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+        M_ASN1_UTCTIME_free(ret);
+    return (NULL);
+}
 
 #endif
 
 int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
-       {
-       static const int min[8]={ 0, 1, 1, 0, 0, 0, 0, 0};
-       static const int max[8]={99,12,31,23,59,59,12,59};
-       char *a;
-       int n,i,l,o;
-
-       if (d->type != V_ASN1_UTCTIME) return(0);
-       l=d->length;
-       a=(char *)d->data;
-       o=0;
-
-       if (l < 11) goto err;
-       for (i=0; i<6; i++)
-               {
-               if ((i == 5) && ((a[o] == 'Z') ||
-                       (a[o] == '+') || (a[o] == '-')))
-                       {
-                       i++;
-                       if (tm)
-                               tm->tm_sec = 0;
-                       break;
-                       }
-               if ((a[o] < '0') || (a[o] > '9')) goto err;
-               n= a[o]-'0';
-               if (++o > l) goto err;
-
-               if ((a[o] < '0') || (a[o] > '9')) goto err;
-               n=(n*10)+ a[o]-'0';
-               if (++o > l) goto err;
-
-               if ((n < min[i]) || (n > max[i])) goto err;
-               if (tm)
-                       {
-                       switch(i)
-                               {
-                       case 0:
-                               tm->tm_year = n < 50 ? n + 100 : n;
-                               break;
-                       case 1:
-                               tm->tm_mon = n - 1;
-                               break;
-                       case 2:
-                               tm->tm_mday = n;
-                               break;
-                       case 3:
-                               tm->tm_hour = n;
-                               break;
-                       case 4:
-                               tm->tm_min = n;
-                               break;
-                       case 5:
-                               tm->tm_sec = n;
-                               break;
-                               }
-                       }
-               }
-       if (a[o] == 'Z')
-               o++;
-       else if ((a[o] == '+') || (a[o] == '-'))
-               {
-               int offsign = a[o] == '-' ? -1 : 1, offset = 0;
-               o++;
-               if (o+4 > l) goto err;
-               for (i=6; i<8; i++)
-                       {
-                       if ((a[o] < '0') || (a[o] > '9')) goto err;
-                       n= a[o]-'0';
-                       o++;
-                       if ((a[o] < '0') || (a[o] > '9')) goto err;
-                       n=(n*10)+ a[o]-'0';
-                       if ((n < min[i]) || (n > max[i])) goto err;
-                       if (tm)
-                               {
-                               if (i == 6)
-                                       offset = n * 3600;
-                               else if (i == 7)
-                                       offset += n * 60;
-                               }
-                       o++;
-                       }
-               if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
-                       return 0;
-               }
-       return o == l;
-err:
-       return 0;
-       }
+{
+    static const int min[8] = { 0, 1, 1, 0, 0, 0, 0, 0 };
+    static const int max[8] = { 99, 12, 31, 23, 59, 59, 12, 59 };
+    char *a;
+    int n, i, l, o;
+
+    if (d->type != V_ASN1_UTCTIME)
+        return (0);
+    l = d->length;
+    a = (char *)d->data;
+    o = 0;
+
+    if (l < 11)
+        goto err;
+    for (i = 0; i < 6; i++) {
+        if ((i == 5) && ((a[o] == 'Z') || (a[o] == '+') || (a[o] == '-'))) {
+            i++;
+            if (tm)
+                tm->tm_sec = 0;
+            break;
+        }
+        if ((a[o] < '0') || (a[o] > '9'))
+            goto err;
+        n = a[o] - '0';
+        if (++o > l)
+            goto err;
+
+        if ((a[o] < '0') || (a[o] > '9'))
+            goto err;
+        n = (n * 10) + a[o] - '0';
+        if (++o > l)
+            goto err;
+
+        if ((n < min[i]) || (n > max[i]))
+            goto err;
+        if (tm) {
+            switch (i) {
+            case 0:
+                tm->tm_year = n < 50 ? n + 100 : n;
+                break;
+            case 1:
+                tm->tm_mon = n - 1;
+                break;
+            case 2:
+                tm->tm_mday = n;
+                break;
+            case 3:
+                tm->tm_hour = n;
+                break;
+            case 4:
+                tm->tm_min = n;
+                break;
+            case 5:
+                tm->tm_sec = n;
+                break;
+            }
+        }
+    }
+    if (a[o] == 'Z')
+        o++;
+    else if ((a[o] == '+') || (a[o] == '-')) {
+        int offsign = a[o] == '-' ? -1 : 1, offset = 0;
+        o++;
+        if (o + 4 > l)
+            goto err;
+        for (i = 6; i < 8; i++) {
+            if ((a[o] < '0') || (a[o] > '9'))
+                goto err;
+            n = a[o] - '0';
+            o++;
+            if ((a[o] < '0') || (a[o] > '9'))
+                goto err;
+            n = (n * 10) + a[o] - '0';
+            if ((n < min[i]) || (n > max[i]))
+                goto err;
+            if (tm) {
+                if (i == 6)
+                    offset = n * 3600;
+                else if (i == 7)
+                    offset += n * 60;
+            }
+            o++;
+        }
+        if (offset && !OPENSSL_gmtime_adj(tm, 0, offset * offsign))
+            return 0;
+    }
+    return o == l;
+ err:
+    return 0;
+}
 
 int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
-       {
-       return asn1_utctime_to_tm(NULL, d);
-       }
+{
+    return asn1_utctime_to_tm(NULL, d);
+}
 
 int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
-       {
-       ASN1_UTCTIME t;
-
-       t.type=V_ASN1_UTCTIME;
-       t.length=strlen(str);
-       t.data=(unsigned char *)str;
-       if (ASN1_UTCTIME_check(&t))
-               {
-               if (s != NULL)
-                       {
-                       if (!ASN1_STRING_set((ASN1_STRING *)s,
-                               (unsigned char *)str,t.length))
-                               return 0;
-                       s->type = V_ASN1_UTCTIME;
-                       }
-               return(1);
-               }
-       else
-               return(0);
-       }
+{
+    ASN1_UTCTIME t;
+
+    t.type = V_ASN1_UTCTIME;
+    t.length = strlen(str);
+    t.data = (unsigned char *)str;
+    if (ASN1_UTCTIME_check(&t)) {
+        if (s != NULL) {
+            if (!ASN1_STRING_set((ASN1_STRING *)s,
+                                 (unsigned char *)str, t.length))
+                return 0;
+            s->type = V_ASN1_UTCTIME;
+        }
+        return (1);
+    } else
+        return (0);
+}
 
 ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
-       {
-       return ASN1_UTCTIME_adj(s, t, 0, 0);
-       }
+{
+    return ASN1_UTCTIME_adj(s, t, 0, 0);
+}
 
 ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
-                               int offset_day, long offset_sec)
-       {
-       char *p;
-       struct tm *ts;
-       struct tm data;
-       size_t len = 20;
-       int free_s = 0;
-
-       if (s == NULL)
-               {
-               free_s = 1;
-               s=M_ASN1_UTCTIME_new();
-               }
-       if (s == NULL)
-               goto err;
-
-
-       ts=OPENSSL_gmtime(&t, &data);
-       if (ts == NULL)
-               goto err;
-
-       if (offset_day || offset_sec)
-               { 
-               if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
-                       goto err;
-               }
-
-       if((ts->tm_year < 50) || (ts->tm_year >= 150))
-               goto err;
-
-       p=(char *)s->data;
-       if ((p == NULL) || ((size_t)s->length < len))
-               {
-               p=OPENSSL_malloc(len);
-               if (p == NULL)
-                       {
-                       ASN1err(ASN1_F_ASN1_UTCTIME_ADJ,ERR_R_MALLOC_FAILURE);
-                       goto err;
-                       }
-               if (s->data != NULL)
-                       OPENSSL_free(s->data);
-               s->data=(unsigned char *)p;
-               }
-
-       BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
-                    ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
-       s->length=strlen(p);
-       s->type=V_ASN1_UTCTIME;
+                               int offset_day, long offset_sec)
+{
+    char *p;
+    struct tm *ts;
+    struct tm data;
+    size_t len = 20;
+    int free_s = 0;
+
+    if (s == NULL) {
+        free_s = 1;
+        s = M_ASN1_UTCTIME_new();
+    }
+    if (s == NULL)
+        goto err;
+
+    ts = OPENSSL_gmtime(&t, &data);
+    if (ts == NULL)
+        goto err;
+
+    if (offset_day || offset_sec) {
+        if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
+            goto err;
+    }
+
+    if ((ts->tm_year < 50) || (ts->tm_year >= 150))
+        goto err;
+
+    p = (char *)s->data;
+    if ((p == NULL) || ((size_t)s->length < len)) {
+        p = OPENSSL_malloc(len);
+        if (p == NULL) {
+            ASN1err(ASN1_F_ASN1_UTCTIME_ADJ, ERR_R_MALLOC_FAILURE);
+            goto err;
+        }
+        if (s->data != NULL)
+            OPENSSL_free(s->data);
+        s->data = (unsigned char *)p;
+    }
+
+    BIO_snprintf(p, len, "%02d%02d%02d%02d%02d%02dZ", ts->tm_year % 100,
+                 ts->tm_mon + 1, ts->tm_mday, ts->tm_hour, ts->tm_min,
+                 ts->tm_sec);
+    s->length = strlen(p);
+    s->type = V_ASN1_UTCTIME;
 #ifdef CHARSET_EBCDIC_not
-       ebcdic2ascii(s->data, s->data, s->length);
+    ebcdic2ascii(s->data, s->data, s->length);
 #endif
-       return(s);
-       err:
-       if (free_s && s)
-               M_ASN1_UTCTIME_free(s);
-       return NULL;
-       }
-
+    return (s);
+ err:
+    if (free_s && s)
+        M_ASN1_UTCTIME_free(s);
+    return NULL;
+}
 
 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
-       {
-       struct tm stm, ttm;
-       int day, sec;
-
-       if (!asn1_utctime_to_tm(&stm, s))
-               return -2;
-
-       if (!OPENSSL_gmtime(&t, &ttm))
-               return -2;
-
-       if (!OPENSSL_gmtime_diff(&day, &sec, &stm, &ttm))
-               return -2;
-
-       if (day > 0)
-               return 1;
-       if (day < 0)
-               return -1;
-       if (sec > 0)
-               return 1;
-       if (sec < 0)
-               return -1;
-       return 0;
-       }
-
+{
+    struct tm stm, ttm;
+    int day, sec;
+
+    if (!asn1_utctime_to_tm(&stm, s))
+        return -2;
+
+    if (!OPENSSL_gmtime(&t, &ttm))
+        return -2;
+
+    if (!OPENSSL_gmtime_diff(&day, &sec, &stm, &ttm))
+        return -2;
+
+    if (day > 0)
+        return 1;
+    if (day < 0)
+        return -1;
+    if (sec > 0)
+        return 1;
+    if (sec < 0)
+        return -1;
+    return 0;
+}
 
 #if 0
 time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
-       {
-       struct tm tm;
-       int offset;
-
-       memset(&tm,'\0',sizeof tm);
-
-#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
-       tm.tm_year=g2(s->data);
-       if(tm.tm_year < 50)
-               tm.tm_year+=100;
-       tm.tm_mon=g2(s->data+2)-1;
-       tm.tm_mday=g2(s->data+4);
-       tm.tm_hour=g2(s->data+6);
-       tm.tm_min=g2(s->data+8);
-       tm.tm_sec=g2(s->data+10);
-       if(s->data[12] == 'Z')
-               offset=0;
-       else
-               {
-               offset=g2(s->data+13)*60+g2(s->data+15);
-               if(s->data[12] == '-')
-                       offset= -offset;
-               }
-#undef g2
-
-       /*
-        * FIXME: mktime assumes the current timezone
-        * instead of UTC, and unless we rewrite OpenSSL
-        * in Lisp we cannot locally change the timezone
-        * without possibly interfering with other parts
-        * of the program. timegm, which uses UTC, is
-        * non-standard.
-        * Also time_t is inappropriate for general
-        * UTC times because it may a 32 bit type.
-        */
-       return mktime(&tm)-offset*60; 
-       }
+{
+    struct tm tm;
+    int offset;
+
+    memset(&tm, '\0', sizeof tm);
+
+# define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
+    tm.tm_year = g2(s->data);
+    if (tm.tm_year < 50)
+        tm.tm_year += 100;
+    tm.tm_mon = g2(s->data + 2) - 1;
+    tm.tm_mday = g2(s->data + 4);
+    tm.tm_hour = g2(s->data + 6);
+    tm.tm_min = g2(s->data + 8);
+    tm.tm_sec = g2(s->data + 10);
+    if (s->data[12] == 'Z')
+        offset = 0;
+    else {
+        offset = g2(s->data + 13) * 60 + g2(s->data + 15);
+        if (s->data[12] == '-')
+            offset = -offset;
+    }
+# undef g2
+
+    /*
+     * FIXME: mktime assumes the current timezone
+     * instead of UTC, and unless we rewrite OpenSSL
+     * in Lisp we cannot locally change the timezone
+     * without possibly interfering with other parts
+     * of the program. timegm, which uses UTC, is
+     * non-standard.
+     * Also time_t is inappropriate for general
+     * UTC times because it may a 32 bit type.
+     */
+    return mktime(&tm) - offset * 60;
+}
 #endif