]> git.stg.codes - stg.git/blobdiff - libs/smux/NativeInteger.c
Merge remote-tracking branch 'github/master'
[stg.git] / libs / smux / NativeInteger.c
index db234c8b41dfd056e6c8beb18c564d65889cf6aa..d6b73940a9f4884a0e910d52ab2375961da0961f 100644 (file)
 /*
  * NativeInteger basic type description.
  */
-static ber_tlv_tag_t asn_DEF_NativeInteger_tags[] = {
+static const ber_tlv_tag_t asn_DEF_NativeInteger_tags[] = {
        (ASN_TAG_CLASS_UNIVERSAL | (2 << 2))
 };
-asn_TYPE_descriptor_t asn_DEF_NativeInteger = {
-       "INTEGER",                      /* The ASN.1 type is still INTEGER */
-       "INTEGER",
+asn_TYPE_operation_t asn_OP_NativeInteger = {
        NativeInteger_free,
        NativeInteger_print,
-       asn_generic_no_constraint,
+       NativeInteger_compare,
        NativeInteger_decode_ber,
        NativeInteger_encode_der,
        NativeInteger_decode_xer,
        NativeInteger_encode_xer,
+#ifdef ASN_DISABLE_OER_SUPPORT
+       0,
+       0,
+#else
+       NativeInteger_decode_oer,       /* OER decoder */
+       NativeInteger_encode_oer,       /* Canonical OER encoder */
+#endif  /* ASN_DISABLE_OER_SUPPORT */
+#ifdef ASN_DISABLE_PER_SUPPORT
+       0,
+       0,
+#else
        NativeInteger_decode_uper,      /* Unaligned PER decoder */
        NativeInteger_encode_uper,      /* Unaligned PER encoder */
-       0, /* Use generic outmost tag fetcher */
+#endif /* ASN_DISABLE_PER_SUPPORT */
+       NativeInteger_random_fill,
+       0       /* Use generic outmost tag fetcher */
+};
+asn_TYPE_descriptor_t asn_DEF_NativeInteger = {
+       "INTEGER",                      /* The ASN.1 type is still INTEGER */
+       "INTEGER",
+       &asn_OP_NativeInteger,
        asn_DEF_NativeInteger_tags,
        sizeof(asn_DEF_NativeInteger_tags) / sizeof(asn_DEF_NativeInteger_tags[0]),
        asn_DEF_NativeInteger_tags,     /* Same as above */
        sizeof(asn_DEF_NativeInteger_tags) / sizeof(asn_DEF_NativeInteger_tags[0]),
-       0,      /* No PER visible constraints */
+       { 0, 0, asn_generic_no_constraint },
        0, 0,   /* No members */
        0       /* No specifics */
 };
@@ -45,10 +61,12 @@ asn_TYPE_descriptor_t asn_DEF_NativeInteger = {
  * Decode INTEGER type.
  */
 asn_dec_rval_t
-NativeInteger_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
-       asn_TYPE_descriptor_t *td,
-       void **nint_ptr, const void *buf_ptr, size_t size, int tag_mode) {
-       long *native = (long *)*nint_ptr;
+NativeInteger_decode_ber(const asn_codec_ctx_t *opt_codec_ctx,
+                         const asn_TYPE_descriptor_t *td, void **nint_ptr,
+                         const void *buf_ptr, size_t size, int tag_mode) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    long *native = (long *)*nint_ptr;
        asn_dec_rval_t rval;
        ber_tlv_len_t length;
 
@@ -91,7 +109,7 @@ NativeInteger_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
        /*
         * ASN.1 encoded INTEGER: buf_ptr, length
         * Fill the native, at the same time checking for overflow.
-        * If overflow occured, return with RC_FAIL.
+        * If overflow occurred, return with RC_FAIL.
         */
        {
                INTEGER_t tmp;
@@ -105,7 +123,9 @@ NativeInteger_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
                tmp.buf = (uint8_t *)unconst_buf.nonconstbuf;
                tmp.size = length;
 
-               if(asn_INTEGER2long(&tmp, &l)) {
+               if((specs&&specs->field_unsigned)
+                       ? asn_INTEGER2ulong(&tmp, (unsigned long *)&l) /* sic */
+                       : asn_INTEGER2long(&tmp, &l)) {
                        rval.code = RC_FAIL;
                        rval.consumed = 0;
                        return rval;
@@ -127,11 +147,11 @@ NativeInteger_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
  * Encode the NativeInteger using the standard INTEGER type DER encoder.
  */
 asn_enc_rval_t
-NativeInteger_encode_der(asn_TYPE_descriptor_t *sd, void *ptr,
-       int tag_mode, ber_tlv_tag_t tag,
-       asn_app_consume_bytes_f *cb, void *app_key) {
-       unsigned long native = *(unsigned long *)ptr;   /* Disable sign ext. */
-       asn_enc_rval_t erval;
+NativeInteger_encode_der(const asn_TYPE_descriptor_t *sd, const void *ptr,
+                         int tag_mode, ber_tlv_tag_t tag,
+                         asn_app_consume_bytes_f *cb, void *app_key) {
+    unsigned long native = *(const unsigned long *)ptr; /* Disable sign ext. */
+    asn_enc_rval_t erval;
        INTEGER_t tmp;
 
 #ifdef WORDS_BIGENDIAN         /* Opportunistic optimization */
@@ -145,7 +165,7 @@ NativeInteger_encode_der(asn_TYPE_descriptor_t *sd, void *ptr,
 
        /* Prepare a fake INTEGER */
        for(p = buf + sizeof(buf) - 1; p >= buf; p--, native >>= 8)
-               *p = native;
+               *p = (uint8_t)native;
 
        tmp.buf = buf;
        tmp.size = sizeof(buf);
@@ -153,10 +173,9 @@ NativeInteger_encode_der(asn_TYPE_descriptor_t *sd, void *ptr,
        
        /* Encode fake INTEGER */
        erval = INTEGER_encode_der(sd, &tmp, tag_mode, tag, cb, app_key);
-       if(erval.encoded == -1) {
-               assert(erval.structure_ptr == &tmp);
-               erval.structure_ptr = ptr;
-       }
+    if(erval.structure_ptr == &tmp) {
+        erval.structure_ptr = ptr;
+    }
        return erval;
 }
 
@@ -164,17 +183,20 @@ NativeInteger_encode_der(asn_TYPE_descriptor_t *sd, void *ptr,
  * Decode the chunk of XML text encoding INTEGER.
  */
 asn_dec_rval_t
-NativeInteger_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
-       asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
-               const void *buf_ptr, size_t size) {
-       asn_dec_rval_t rval;
+NativeInteger_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
+                         const asn_TYPE_descriptor_t *td, void **sptr,
+                         const char *opt_mname, const void *buf_ptr,
+                         size_t size) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    asn_dec_rval_t rval;
        INTEGER_t st;
        void *st_ptr = (void *)&st;
        long *native = (long *)*sptr;
 
        if(!native) {
                native = (long *)(*sptr = CALLOC(1, sizeof(*native)));
-               if(!native) _ASN_DECODE_FAILED;
+               if(!native) ASN__DECODE_FAILED;
        }
 
        memset(&st, 0, sizeof(st));
@@ -182,7 +204,9 @@ NativeInteger_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
                opt_mname, buf_ptr, size);
        if(rval.code == RC_OK) {
                long l;
-               if(asn_INTEGER2long(&st, &l)) {
+               if((specs&&specs->field_unsigned)
+                       ? asn_INTEGER2ulong(&st, (unsigned long *)&l) /* sic */
+                       : asn_INTEGER2long(&st, &l)) {
                        rval.code = RC_FAIL;
                        rval.consumed = 0;
                } else {
@@ -202,32 +226,40 @@ NativeInteger_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
 
 
 asn_enc_rval_t
-NativeInteger_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
-       int ilevel, enum xer_encoder_flags_e flags,
-               asn_app_consume_bytes_f *cb, void *app_key) {
-       char scratch[32];       /* Enough for 64-bit int */
+NativeInteger_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr,
+                         int ilevel, enum xer_encoder_flags_e flags,
+                         asn_app_consume_bytes_f *cb, void *app_key) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    char scratch[32];  /* Enough for 64-bit int */
        asn_enc_rval_t er;
        const long *native = (const long *)sptr;
 
        (void)ilevel;
        (void)flags;
 
-       if(!native) _ASN_ENCODE_FAILED;
+       if(!native) ASN__ENCODE_FAILED;
 
-       er.encoded = snprintf(scratch, sizeof(scratch), "%ld", *native);
+       er.encoded = snprintf(scratch, sizeof(scratch),
+                       (specs && specs->field_unsigned)
+                       ? "%lu" : "%ld", *native);
        if(er.encoded <= 0 || (size_t)er.encoded >= sizeof(scratch)
                || cb(scratch, er.encoded, app_key) < 0)
-               _ASN_ENCODE_FAILED;
+               ASN__ENCODE_FAILED;
 
-       _ASN_ENCODED_OK(er);
+       ASN__ENCODED_OK(er);
 }
 
-asn_dec_rval_t
-NativeInteger_decode_uper(asn_codec_ctx_t *opt_codec_ctx,
-       asn_TYPE_descriptor_t *td,
-       asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
+#ifndef  ASN_DISABLE_PER_SUPPORT
 
-       asn_dec_rval_t rval;
+asn_dec_rval_t
+NativeInteger_decode_uper(const asn_codec_ctx_t *opt_codec_ctx,
+                          const asn_TYPE_descriptor_t *td,
+                          const asn_per_constraints_t *constraints, void **sptr,
+                          asn_per_data_t *pd) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    asn_dec_rval_t rval;
        long *native = (long *)*sptr;
        INTEGER_t tmpint;
        void *tmpintptr = &tmpint;
@@ -237,14 +269,16 @@ NativeInteger_decode_uper(asn_codec_ctx_t *opt_codec_ctx,
 
        if(!native) {
                native = (long *)(*sptr = CALLOC(1, sizeof(*native)));
-               if(!native) _ASN_DECODE_FAILED;
+               if(!native) ASN__DECODE_FAILED;
        }
 
        memset(&tmpint, 0, sizeof tmpint);
        rval = INTEGER_decode_uper(opt_codec_ctx, td, constraints,
                                   &tmpintptr, pd);
        if(rval.code == RC_OK) {
-               if(asn_INTEGER2long(&tmpint, native))
+               if((specs&&specs->field_unsigned)
+                       ? asn_INTEGER2ulong(&tmpint, (unsigned long *)native)
+                       : asn_INTEGER2long(&tmpint, native))
                        rval.code = RC_FAIL;
                else
                        ASN_DEBUG("NativeInteger %s got value %ld",
@@ -256,58 +290,195 @@ NativeInteger_decode_uper(asn_codec_ctx_t *opt_codec_ctx,
 }
 
 asn_enc_rval_t
-NativeInteger_encode_uper(asn_TYPE_descriptor_t *td,
-       asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
-       asn_enc_rval_t er;
+NativeInteger_encode_uper(const asn_TYPE_descriptor_t *td,
+                          const asn_per_constraints_t *constraints,
+                          const void *sptr, asn_per_outp_t *po) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    asn_enc_rval_t er;
        long native;
        INTEGER_t tmpint;
 
-       if(!sptr) _ASN_ENCODE_FAILED;
+       if(!sptr) ASN__ENCODE_FAILED;
 
-       native = *(long *)sptr;
+    native = *(const long *)sptr;
 
-       ASN_DEBUG("Encoding NativeInteger %s %ld (UPER)", td->name, native);
+    ASN_DEBUG("Encoding NativeInteger %s %ld (UPER)", td->name, native);
 
        memset(&tmpint, 0, sizeof(tmpint));
-       if(asn_long2INTEGER(&tmpint, native))
-               _ASN_ENCODE_FAILED;
+       if((specs&&specs->field_unsigned)
+               ? asn_ulong2INTEGER(&tmpint, native)
+               : asn_long2INTEGER(&tmpint, native))
+               ASN__ENCODE_FAILED;
        er = INTEGER_encode_uper(td, constraints, &tmpint, po);
        ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
        return er;
 }
 
+#endif  /* ASN_DISABLE_PER_SUPPORT */
+
 /*
  * INTEGER specific human-readable output.
  */
 int
-NativeInteger_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
-       asn_app_consume_bytes_f *cb, void *app_key) {
-       const long *native = (const long *)sptr;
-
-       (void)td;       /* Unused argument */
-       (void)ilevel;   /* Unused argument */
-
-       if(native) {
-               char scratch[32];       /* Enough for 64-bit int */
-               int ret = snprintf(scratch, sizeof(scratch), "%ld", *native);
-               assert(ret > 0 && (size_t)ret < sizeof(scratch));
-               return (cb(scratch, ret, app_key) < 0) ? -1 : 0;
+NativeInteger_print(const asn_TYPE_descriptor_t *td, const void *sptr,
+                    int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    const long *native = (const long *)sptr;
+    char scratch[32]; /* Enough for 64-bit int */
+    int ret;
+
+    (void)td;       /* Unused argument */
+    (void)ilevel;   /* Unused argument */
+
+    if(native) {
+        long value = *native;
+        ret = snprintf(scratch, sizeof(scratch),
+                       (specs && specs->field_unsigned) ? "%lu" : "%ld", value);
+        assert(ret > 0 && (size_t)ret < sizeof(scratch));
+        if(cb(scratch, ret, app_key) < 0) return -1;
+        if(specs && (value >= 0 || !specs->field_unsigned)) {
+            const asn_INTEGER_enum_map_t *el =
+                INTEGER_map_value2enum(specs, value);
+            if(el) {
+                if(cb(" (", 2, app_key) < 0) return -1;
+                if(cb(el->enum_name, el->enum_len, app_key) < 0) return -1;
+                if(cb(")", 1, app_key) < 0) return -1;
+            }
+        }
+        return 0;
        } else {
                return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
        }
 }
 
 void
-NativeInteger_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
-
-       if(!td || !ptr)
+NativeInteger_free(const asn_TYPE_descriptor_t *td, void *ptr,
+                   enum asn_struct_free_method method) {
+    if(!td || !ptr)
                return;
 
        ASN_DEBUG("Freeing %s as INTEGER (%d, %p, Native)",
-               td->name, contents_only, ptr);
+               td->name, method, ptr);
+
+    switch(method) {
+    case ASFM_FREE_EVERYTHING:
+        FREEMEM(ptr);
+        break;
+    case ASFM_FREE_UNDERLYING:
+        break;
+    case ASFM_FREE_UNDERLYING_AND_RESET:
+        memset(ptr, 0, sizeof(long));
+        break;
+    }
+}
 
-       if(!contents_only) {
-               FREEMEM(ptr);
-       }
+int
+NativeInteger_compare(const asn_TYPE_descriptor_t *td, const void *aptr, const void *bptr) {
+    (void)td;
+
+    if(aptr && bptr) {
+        const asn_INTEGER_specifics_t *specs =
+            (const asn_INTEGER_specifics_t *)td->specifics;
+        if(specs && specs->field_unsigned) {
+            const unsigned long *a = aptr;
+            const unsigned long *b = bptr;
+            if(*a < *b) {
+                return -1;
+            } else if(*a > *b) {
+                return 1;
+            } else {
+                return 0;
+            }
+        } else {
+            const long *a = aptr;
+            const long *b = bptr;
+            if(*a < *b) {
+                return -1;
+            } else if(*a > *b) {
+                return 1;
+            } else {
+                return 0;
+            }
+        }
+    } else if(!aptr) {
+        return -1;
+    } else {
+        return 1;
+    }
 }
 
+asn_random_fill_result_t
+NativeInteger_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+                          const asn_encoding_constraints_t *constraints,
+                          size_t max_length) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    asn_random_fill_result_t result_ok = {ARFILL_OK, 1};
+    asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+    asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+    long *st = *sptr;
+    const asn_INTEGER_enum_map_t *emap;
+    size_t emap_len;
+    intmax_t value;
+    int find_inside_map;
+
+    if(max_length == 0) return result_skipped;
+
+    if(st == NULL) {
+        st = (long *)CALLOC(1, sizeof(*st));
+        if(st == NULL) {
+            return result_failed;
+        }
+    }
+
+    if(specs) {
+        emap = specs->value2enum;
+        emap_len = specs->map_count;
+        if(specs->strict_enumeration) {
+            find_inside_map = emap_len > 0;
+        } else {
+            find_inside_map = emap_len ? asn_random_between(0, 1) : 0;
+        }
+    } else {
+        emap = 0;
+        emap_len = 0;
+        find_inside_map = 0;
+    }
+
+    if(find_inside_map) {
+        assert(emap_len > 0);
+        value = emap[asn_random_between(0, emap_len - 1)].nat_value;
+    } else {
+        const asn_per_constraints_t *ct;
+
+        static const long variants[] = {
+            -65536, -65535, -65534, -32769, -32768, -32767, -16385, -16384,
+            -16383, -257,   -256,   -255,   -254,   -129,   -128,   -127,
+            -126,   -1,     0,      1,      126,    127,    128,    129,
+            254,    255,    256,    257,    16383,  16384,  16385,  32767,
+            32768,  32769,  65534,  65535,  65536,  65537};
+        if(specs && specs->field_unsigned) {
+            assert(variants[18] == 0);
+            value = variants[asn_random_between(
+                18, sizeof(variants) / sizeof(variants[0]) - 1)];
+        } else {
+            value = variants[asn_random_between(
+                0, sizeof(variants) / sizeof(variants[0]) - 1)];
+        }
+
+        if(!constraints) constraints = &td->encoding_constraints;
+        ct = constraints ? constraints->per_constraints : 0;
+        if(ct && (ct->value.flags & APC_CONSTRAINED)) {
+            if(value < ct->value.lower_bound || value > ct->value.upper_bound) {
+                value = asn_random_between(ct->value.lower_bound,
+                                           ct->value.upper_bound);
+            }
+        }
+    }
+
+    *sptr = st;
+    *st = value;
+    return result_ok;
+}