diff --git a/include/lber.h b/include/lber.h index a347692cd8e774a109fbdef5f85241e6200119dc..00ffa881d9b1a08207d28c9c2701cb38c1968ae2 100644 --- a/include/lber.h +++ b/include/lber.h @@ -250,6 +250,16 @@ ber_peek_tag LDAP_P(( BerElement *ber, ber_len_t *len )); +LBER_F( ber_tag_t ) +ber_skip_element LDAP_P(( + BerElement *ber, + struct berval *bv )); + +LBER_F( ber_tag_t ) +ber_peek_element LDAP_P(( + LDAP_CONST BerElement *ber, + struct berval *bv )); + LBER_F( ber_tag_t ) ber_get_int LDAP_P(( BerElement *ber, diff --git a/libraries/liblber/decode.c b/libraries/liblber/decode.c index f68c61f9bd9cd16bfeb7de7d83ccaa4a0d7ae5dd..386f3761eefe9170c3a864d77eb9a7baded6860d 100644 --- a/libraries/liblber/decode.c +++ b/libraries/liblber/decode.c @@ -86,76 +86,99 @@ ber_decode_oid( BerValue *in, BerValue *out ) return 0; } -/* return the tag - LBER_DEFAULT returned means trouble */ -ber_tag_t -ber_get_tag( BerElement *ber ) +/* Return tag, with *bv = rest of element (starting at length octets) */ +static ber_tag_t +ber_tag_and_rest( const BerElement *ber, struct berval *bv ) { - unsigned char xbyte; ber_tag_t tag; + ptrdiff_t rest; + unsigned char *ptr; assert( ber != NULL ); assert( LBER_VALID( ber ) ); - if ( ber_pvt_ber_remaining( ber ) < 1 ) { - return LBER_DEFAULT; + ptr = (unsigned char *) ber->ber_ptr; + rest = (unsigned char *) ber->ber_end - ptr; + if ( rest <= 0 ) { + goto fail; } - if ( ber->ber_ptr == ber->ber_buf ) { - tag = *(unsigned char *)ber->ber_ptr; - } else { - tag = ber->ber_tag; + tag = ber->ber_tag; + if ( (char *) ptr == ber->ber_buf ) { + tag = *ptr; } - ber->ber_ptr++; - + ptr++; + rest--; if ( (tag & LBER_BIG_TAG_MASK) != LBER_BIG_TAG_MASK ) { - return tag; + goto done; } do { - if ( ber_read( ber, (char *) &xbyte, 1 ) != 1 ) { + if ( rest <= 0 ) { break; } - tag <<= 8; - tag |= 0x00ffUL & (ber_tag_t) xbyte; + tag |= *ptr++ & 0xffU; + rest--; - if ( ! (xbyte & LBER_MORE_TAG_MASK) ) { - return tag; + if ( ! (tag & LBER_MORE_TAG_MASK) ) { + goto done; } } while ( tag <= (ber_tag_t)-1 / 256 ); - return LBER_DEFAULT; /* error or tag too big */ + fail: + /* Error or unsupported tag size */ + tag = LBER_DEFAULT; + + done: + bv->bv_len = rest; + bv->bv_val = (char *) ptr; + return tag; } +/* Return the tag - LBER_DEFAULT returned means trouble */ ber_tag_t -ber_skip_tag( BerElement *ber, ber_len_t *lenp ) +ber_get_tag( BerElement *ber ) +{ + struct berval bv; + ber_tag_t tag = ber_tag_and_rest( ber, &bv ); + + ber->ber_ptr = bv.bv_val; + return tag; +} + +/* Return next element's tag and point *bv at its contents in-place */ +ber_tag_t +ber_peek_element( const BerElement *ber, struct berval *bv ) { ber_tag_t tag; - ber_len_t len; - unsigned i, noctets; - unsigned char lc; - unsigned char netlen[sizeof(ber_len_t)]; + ber_len_t len, rest; + unsigned i; + unsigned char *ptr; - assert( lenp != NULL ); + assert( bv != NULL ); /* * Any ber element looks like this: tag length contents. - * Assuming everything's ok, we return the tag byte (we - * can assume a single byte), and return the length in lenp. + * Assuming everything's ok, we return the tag, and point + * bv at the contents. * * Assumptions: * 1) definite lengths * 2) primitive encodings used whenever possible */ - *lenp = 0; + len = 0; /* * First, we read the tag. */ + tag = ber_tag_and_rest( ber, bv ); - if ( (tag = ber_get_tag( ber )) == LBER_DEFAULT ) { - return LBER_DEFAULT; + rest = bv->bv_len; + ptr = (unsigned char *) bv->bv_val; + if ( tag == LBER_DEFAULT || rest == 0 ) { + goto fail; } /* @@ -166,37 +189,47 @@ ber_skip_tag( BerElement *ber, ber_len_t *lenp ) * Lengths that do not fit in a ber_len_t are not accepted. */ - if ( ber_read( ber, (char *) &lc, 1 ) != 1 ) { - return LBER_DEFAULT; - } - - len = lc; - if ( lc & 0x80U ) { - noctets = (lc & 0x7fU); - - if ( noctets - 1U > sizeof(ber_len_t) - 1U ) { - /* Indefinite-length or too long length */ - return LBER_DEFAULT; - } + len = *ptr++; + rest--; - if( (unsigned) ber_read( ber, (char *) netlen, noctets ) != noctets ) { - return LBER_DEFAULT; + if ( len & 0x80U ) { + len &= 0x7fU; + if ( len - 1U > sizeof(ber_len_t) - 1U || rest < len ) { + /* Indefinite-length/too long length/not enough data */ + goto fail; } - len = netlen[0]; - for( i = 1; i < noctets; i++ ) { + rest -= len; + i = len; + for( len = *ptr++ & 0xffU; --i; len |= *ptr++ & 0xffU ) { len <<= 8; - len |= netlen[i]; } - } - *lenp = len; /* BER element should have enough data left */ - if( len > (ber_len_t) ber_pvt_ber_remaining( ber ) ) { - return LBER_DEFAULT; + if( len > rest ) { + fail: + tag = LBER_DEFAULT; + } + + bv->bv_len = len; + bv->bv_val = (char *) ptr; + return tag; +} + +/* Move past next element, point *bv at it in-place, and return its tag. + * The caller may \0-terminate *bv, as next octet is saved in ber->ber_tag. + * Similar to ber_get_stringbv(ber, bv, LBER_BV_NOTERM) except on error. + */ +ber_tag_t +ber_skip_element( BerElement *ber, struct berval *bv ) +{ + ber_tag_t tag = ber_peek_element( ber, bv ); + + if ( tag != LBER_DEFAULT ) { + ber->ber_ptr = bv->bv_val + bv->bv_len; + ber->ber_tag = *(unsigned char *) ber->ber_ptr; } - ber->ber_tag = *(unsigned char *)ber->ber_ptr; return tag; } @@ -206,20 +239,23 @@ ber_peek_tag( BerElement *ber, ber_len_t *len ) { - /* - * This implementation assumes ber_skip_tag() only - * modifies ber_ptr field of the BerElement. - */ + struct berval bv; + ber_tag_t tag = ber_peek_element( ber, &bv ); + + *len = bv.bv_len; + return tag; +} - char *save; - ber_tag_t tag, old; +ber_tag_t +ber_skip_tag( BerElement *ber, ber_len_t *lenp ) +{ + struct berval bv; + ber_tag_t tag = ber_peek_element( ber, &bv ); - old = ber->ber_tag; - save = ber->ber_ptr; - tag = ber_skip_tag( ber, len ); - ber->ber_ptr = save; - ber->ber_tag = old; + ber->ber_ptr = bv.bv_val; + ber->ber_tag = *(unsigned char *) ber->ber_ptr; + *lenp = bv.bv_len; return tag; } @@ -230,30 +266,24 @@ ber_get_int( { ber_tag_t tag; ber_len_t len; - unsigned char buf[sizeof(ber_int_t)]; + struct berval bv; assert( num != NULL ); - if ( (tag = ber_skip_tag( ber, &len )) == LBER_DEFAULT ) { - return LBER_DEFAULT; - } - - if ( len > sizeof(ber_int_t) ) { - return LBER_DEFAULT; - } - - /* read into the low-order bytes of our buffer */ - if ( (ber_len_t) ber_read( ber, (char *) buf, len ) != len ) { + tag = ber_skip_element( ber, &bv ); + len = bv.bv_len; + if ( tag == LBER_DEFAULT || len > sizeof(ber_int_t) ) { return LBER_DEFAULT; } /* parse two's complement integer */ if( len ) { + unsigned char *buf = (unsigned char *) bv.bv_val; ber_len_t i; ber_int_t netnum = buf[0] & 0xff; /* sign extend */ - netnum -= (netnum & 0x80) << 1; + netnum = (netnum ^ 0x80) - 0x80; /* shift in the bytes */ for( i = 1; i < len; i++ ) { @@ -266,8 +296,6 @@ ber_get_int( *num = 0; } - ber->ber_tag = *(unsigned char *)ber->ber_ptr; - return tag; } @@ -285,26 +313,22 @@ ber_get_stringb( char *buf, ber_len_t *len ) { - ber_len_t datalen; + struct berval bv; ber_tag_t tag; - if ( (tag = ber_skip_tag( ber, &datalen )) == LBER_DEFAULT ) { + if ( (tag = ber_skip_element( ber, &bv )) == LBER_DEFAULT ) { return LBER_DEFAULT; } /* must fit within allocated space with termination */ - if ( datalen >= *len ) { + if ( bv.bv_len >= *len ) { return LBER_DEFAULT; } - if ( (ber_len_t) ber_read( ber, buf, datalen ) != datalen ) { - return LBER_DEFAULT; - } - ber->ber_tag = *(unsigned char *)ber->ber_ptr; - - buf[datalen] = '\0'; + memcpy( buf, bv.bv_val, bv.bv_len ); + buf[bv.bv_len] = '\0'; - *len = datalen; + *len = bv.bv_len; return tag; } @@ -320,131 +344,132 @@ enum bgbvc { ChArray, BvArray, BvVec, BvOff }; * stack use to the absolute minimum. */ typedef struct bgbvr { - enum bgbvc choice; - BerElement *ber; - int alloc; - ber_len_t siz; - ber_len_t off; - union { - char ***c; - BerVarray *ba; - struct berval ***bv; - } res; + const enum bgbvc choice; + const int alloc; /* choice == BvOff ? 0 : LBER_ALLOC */ + ber_len_t siz; /* input array element size, output count */ + ber_len_t off; /* BvOff offset to the struct berval */ + void *result; } bgbvr; static ber_tag_t -ber_get_stringbvl( bgbvr *b, ber_len_t *rlen ) +ber_get_stringbvl( BerElement *ber, bgbvr *b ) { int i = 0, n; ber_tag_t tag; - ber_len_t len; + ber_len_t tot_size = 0, siz = b->siz; char *last, *orig; struct berval bv, *bvp = NULL; + union stringbvl_u { + char **ca; /* ChArray */ + BerVarray ba; /* BvArray */ + struct berval **bv; /* BvVec */ + char *bo; /* BvOff */ + } res; + + tag = ber_skip_tag( ber, &bv.bv_len ); - /* For rewinding, just like ber_peek_tag() */ - orig = b->ber->ber_ptr; - tag = b->ber->ber_tag; + if ( tag != LBER_DEFAULT ) { + tag = 0; + orig = ber->ber_ptr; + last = orig + bv.bv_len; - if ( ber_first_element( b->ber, &len, &last ) != LBER_DEFAULT ) { - for ( ; b->ber->ber_ptr < last; i++ ) { - if (ber_skip_tag( b->ber, &len ) == LBER_DEFAULT) break; - b->ber->ber_ptr += len; - b->ber->ber_tag = *(unsigned char *)b->ber->ber_ptr; + for ( ; ber->ber_ptr < last; i++, tot_size += siz ) { + if ( ber_skip_element( ber, &bv ) == LBER_DEFAULT ) + break; + } + if ( ber->ber_ptr != last ) { + i = 0; + tag = LBER_DEFAULT; } - } - if ( rlen ) *rlen = i; + ber->ber_ptr = orig; + ber->ber_tag = *(unsigned char *) orig; + } + b->siz = i; if ( i == 0 ) { - *b->res.c = NULL; - return 0; + return tag; } - n = i; - - /* Allocate the result vector */ + /* Allocate and NULL-terminate the result vector */ + b->result = ber_memalloc_x( tot_size + siz, ber->ber_memctx ); + if ( b->result == NULL ) { + return LBER_DEFAULT; + } switch (b->choice) { case ChArray: - *b->res.c = ber_memalloc_x( (n+1)*sizeof( char * ), - b->ber->ber_memctx); - if ( *b->res.c == NULL ) return LBER_DEFAULT; - (*b->res.c)[n] = NULL; + res.ca = b->result; + res.ca[i] = NULL; break; case BvArray: - *b->res.ba = ber_memalloc_x( (n+1)*sizeof( struct berval ), - b->ber->ber_memctx); - if ( *b->res.ba == NULL ) return LBER_DEFAULT; - (*b->res.ba)[n].bv_val = NULL; + res.ba = b->result; + res.ba[i].bv_val = NULL; break; case BvVec: - *b->res.bv = ber_memalloc_x( (n+1)*sizeof( struct berval *), - b->ber->ber_memctx); - if ( *b->res.bv == NULL ) return LBER_DEFAULT; - (*b->res.bv)[n] = NULL; + res.bv = b->result; + res.bv[i] = NULL; break; case BvOff: - *b->res.ba = ber_memalloc_x( (n+1) * b->siz, b->ber->ber_memctx ); - if ( *b->res.ba == NULL ) return LBER_DEFAULT; - ((struct berval *)((char *)(*b->res.ba) + n*b->siz + - b->off))->bv_val = NULL; + res.bo = (char *) b->result + b->off; + ((struct berval *) (res.bo + tot_size))->bv_val = NULL; + tot_size = 0; break; } - b->ber->ber_ptr = orig; - b->ber->ber_tag = tag; - ber_skip_tag( b->ber, &len ); - - for (n=0; n<i; n++) - { - tag = ber_next_element( b->ber, &len, last ); - if ( ber_get_stringbv( b->ber, &bv, b->alloc ) == LBER_DEFAULT ) { + + n = 0; + do { + tag = ber_get_stringbv( ber, &bv, b->alloc ); + if ( tag == LBER_DEFAULT ) { goto nomem; } /* store my result */ switch (b->choice) { case ChArray: - (*b->res.c)[n] = bv.bv_val; + res.ca[n] = bv.bv_val; break; case BvArray: - (*b->res.ba)[n] = bv; + res.ba[n] = bv; break; case BvVec: - bvp = ber_memalloc_x( sizeof( struct berval ), b->ber->ber_memctx); + bvp = ber_memalloc_x( sizeof( struct berval ), + ber->ber_memctx ); if ( !bvp ) { - ber_memfree_x( bv.bv_val, b->ber->ber_memctx ); + ber_memfree_x( bv.bv_val, ber->ber_memctx ); goto nomem; } - (*b->res.bv)[n] = bvp; + res.bv[n] = bvp; *bvp = bv; break; case BvOff: - *(BerVarray)((char *)(*b->res.ba)+n*b->siz+b->off) = bv; + *(struct berval *)(res.bo + tot_size) = bv; + tot_size += siz; break; } - } + } while (++n < i); return tag; nomem: - if (b->alloc || b->choice == BvVec) { - for (--n; n>=0; n--) { + if (b->choice != BvOff) { /* BvOff does not have b->alloc set */ + while (--n >= 0) { switch(b->choice) { case ChArray: - ber_memfree_x((*b->res.c)[n], b->ber->ber_memctx); + ber_memfree_x(res.ca[n], ber->ber_memctx); break; case BvArray: - ber_memfree_x((*b->res.ba)[n].bv_val, b->ber->ber_memctx); + ber_memfree_x(res.ba[n].bv_val, ber->ber_memctx); break; case BvVec: - ber_memfree_x((*b->res.bv)[n]->bv_val, b->ber->ber_memctx); - ber_memfree_x((*b->res.bv)[n], b->ber->ber_memctx); + ber_memfree_x(res.bv[n]->bv_val, ber->ber_memctx); + ber_memfree_x(res.bv[n], ber->ber_memctx); break; default: break; } } } - ber_memfree_x(*b->res.c, b->ber->ber_memctx); - *b->res.c = NULL; + ber_memfree_x(b->result, ber->ber_memctx); + b->result = NULL; return LBER_DEFAULT; } @@ -452,15 +477,15 @@ ber_tag_t ber_get_stringbv( BerElement *ber, struct berval *bv, int option ) { ber_tag_t tag; + char *data; - assert( bv != NULL ); - - tag = ber_skip_tag( ber, &bv->bv_len ); + tag = ber_skip_element( ber, bv ); if ( tag == LBER_DEFAULT ) { bv->bv_val = NULL; return tag; } + data = bv->bv_val; if ( option & LBER_BV_ALLOC ) { bv->bv_val = (char *) ber_memalloc_x( bv->bv_len + 1, ber->ber_memctx ); @@ -468,20 +493,13 @@ ber_get_stringbv( BerElement *ber, struct berval *bv, int option ) return LBER_DEFAULT; } - if ( bv->bv_len > 0 && (ber_len_t) ber_read( ber, bv->bv_val, - bv->bv_len ) != bv->bv_len ) - { - ber_memfree_x( bv->bv_val, ber->ber_memctx ); - bv->bv_val = NULL; - return LBER_DEFAULT; + if ( bv->bv_len != 0 ) { + memcpy( bv->bv_val, data, bv->bv_len ); } - } else { - bv->bv_val = ber->ber_ptr; - ber->ber_ptr += bv->bv_len; + data = bv->bv_val; } - ber->ber_tag = *(unsigned char *)ber->ber_ptr; if ( !( option & LBER_BV_NOTERM )) - bv->bv_val[bv->bv_len] = '\0'; + data[bv->bv_len] = '\0'; return tag; } @@ -490,15 +508,15 @@ ber_tag_t ber_get_stringbv_null( BerElement *ber, struct berval *bv, int option ) { ber_tag_t tag; + char *data; - assert( bv != NULL ); - - tag = ber_skip_tag( ber, &bv->bv_len ); + tag = ber_skip_element( ber, bv ); if ( tag == LBER_DEFAULT || bv->bv_len == 0 ) { bv->bv_val = NULL; return tag; } + data = bv->bv_val; if ( option & LBER_BV_ALLOC ) { bv->bv_val = (char *) ber_memalloc_x( bv->bv_len + 1, ber->ber_memctx ); @@ -506,20 +524,11 @@ ber_get_stringbv_null( BerElement *ber, struct berval *bv, int option ) return LBER_DEFAULT; } - if ( bv->bv_len > 0 && (ber_len_t) ber_read( ber, bv->bv_val, - bv->bv_len ) != bv->bv_len ) - { - ber_memfree_x( bv->bv_val, ber->ber_memctx ); - bv->bv_val = NULL; - return LBER_DEFAULT; - } - } else { - bv->bv_val = ber->ber_ptr; - ber->ber_ptr += bv->bv_len; + memcpy( bv->bv_val, data, bv->bv_len ); + data = bv->bv_val; } - ber->ber_tag = *(unsigned char *)ber->ber_ptr; if ( !( option & LBER_BV_NOTERM )) - bv->bv_val[bv->bv_len] = '\0'; + data[bv->bv_len] = '\0'; return tag; } @@ -580,40 +589,32 @@ ber_get_bitstringa( char **buf, ber_len_t *blen ) { - ber_len_t datalen; ber_tag_t tag; + struct berval data; unsigned char unusedbits; assert( buf != NULL ); assert( blen != NULL ); - if ( (tag = ber_skip_tag( ber, &datalen )) == LBER_DEFAULT ) { + if ( (tag = ber_skip_element( ber, &data )) == LBER_DEFAULT ) { goto fail; } - if ( --datalen > (ber_len_t)-1 / 8 ) { - goto fail; - } - if ( ber_read( ber, (char *)&unusedbits, 1 ) != 1 ) { + if ( --data.bv_len > (ber_len_t)-1 / 8 ) { goto fail; } + unusedbits = *(unsigned char *) data.bv_val++; if ( unusedbits > 7 ) { goto fail; } - *buf = (char *) ber_memalloc_x( datalen, ber->ber_memctx ); + *buf = (char *) ber_memalloc_x( data.bv_len, ber->ber_memctx ); if ( *buf == NULL ) { return LBER_DEFAULT; } + memcpy( *buf, data.bv_val, data.bv_len ); - if ( (ber_len_t) ber_read( ber, *buf, datalen ) != datalen ) { - ber_memfree_x( buf, ber->ber_memctx ); - *buf = NULL; - return LBER_DEFAULT; - } - ber->ber_tag = *(unsigned char *)ber->ber_ptr; - - *blen = datalen * 8 - unusedbits; + *blen = data.bv_len * 8 - unusedbits; return tag; fail: @@ -687,7 +688,7 @@ ber_scanf ( BerElement *ber, va_list ap; LDAP_CONST char *fmt_reset; char *s, **ss, ***sss; - struct berval *bval, **bvp, ***bvpp; + struct berval data, *bval, **bvp, ***bvpp; ber_int_t *i; ber_len_t *l; ber_tag_t *t; @@ -766,14 +767,14 @@ ber_scanf ( BerElement *ber, * len ptr on finish. parsed in-place. */ { - bgbvr cookie = { BvOff }; - cookie.ber = ber; - cookie.res.ba = va_arg( ap, struct berval ** ); - cookie.alloc = 0; + bgbvr cookie = { BvOff, 0 }; + bvp = va_arg( ap, struct berval ** ); l = va_arg( ap, ber_len_t * ); cookie.siz = *l; cookie.off = va_arg( ap, ber_len_t ); - rc = ber_get_stringbvl( &cookie, l ); + rc = ber_get_stringbvl( ber, &cookie ); + *bvp = cookie.result; + *l = cookie.siz; break; } @@ -809,39 +810,36 @@ ber_scanf ( BerElement *ber, case 'v': /* sequence of strings */ { - bgbvr cookie = { ChArray }; - cookie.ber = ber; - cookie.res.c = va_arg( ap, char *** ); - cookie.alloc = LBER_BV_ALLOC; - rc = ber_get_stringbvl( &cookie, NULL ); + bgbvr cookie = { + ChArray, LBER_BV_ALLOC, sizeof( char * ) + }; + rc = ber_get_stringbvl( ber, &cookie ); + *(va_arg( ap, char *** )) = cookie.result; break; } case 'V': /* sequence of strings + lengths */ { - bgbvr cookie = { BvVec }; - cookie.ber = ber; - cookie.res.bv = va_arg( ap, struct berval *** ); - cookie.alloc = LBER_BV_ALLOC; - rc = ber_get_stringbvl( &cookie, NULL ); + bgbvr cookie = { + BvVec, LBER_BV_ALLOC, sizeof( struct berval * ) + }; + rc = ber_get_stringbvl( ber, &cookie ); + *(va_arg( ap, struct berval *** )) = cookie.result; break; } case 'W': /* bvarray */ { - bgbvr cookie = { BvArray }; - cookie.ber = ber; - cookie.res.ba = va_arg( ap, struct berval ** ); - cookie.alloc = LBER_BV_ALLOC; - rc = ber_get_stringbvl( &cookie, NULL ); + bgbvr cookie = { + BvArray, LBER_BV_ALLOC, sizeof( struct berval ) + }; + rc = ber_get_stringbvl( ber, &cookie ); + *(va_arg( ap, struct berval ** )) = cookie.result; break; } case 'x': /* skip the next element - whatever it is */ - if ( (rc = ber_skip_tag( ber, &len )) == LBER_DEFAULT ) - break; - ber->ber_ptr += len; - ber->ber_tag = *(unsigned char *)ber->ber_ptr; + rc = ber_skip_element( ber, &data ); break; case '{': /* begin sequence */ @@ -914,7 +912,7 @@ ber_scanf ( BerElement *ber, case 'M': /* BVoff array in-place */ bvp = va_arg( ap, struct berval ** ); - ber_memfree_x( bvp, ber->ber_memctx ); + ber_memfree_x( *bvp, ber->ber_memctx ); *bvp = NULL; *(va_arg( ap, ber_len_t * )) = 0; (void) va_arg( ap, ber_len_t ); diff --git a/libraries/liblber/encode.c b/libraries/liblber/encode.c index a2098326d4013e7d9d6511d20ead03bc6a571de3..a5c1de0286aec974b5857a0cf59569ecf1a0436e 100644 --- a/libraries/liblber/encode.c +++ b/libraries/liblber/encode.c @@ -526,7 +526,6 @@ ber_printf( BerElement *ber, LDAP_CONST char *fmt, ... ) rc = (*f)( ber, p ); if ( ber->ber_usertag ) { - ber->ber_usertag = 0; goto next; } } break; @@ -584,7 +583,6 @@ ber_printf( BerElement *ber, LDAP_CONST char *fmt, ... ) case 't': /* tag for the next element */ ber->ber_tag = va_arg( ap, ber_tag_t ); - ber->ber_usertag = 1; goto next; case 'v': /* vector of strings */