Hi,
I have made the change. Now, the CHOICE looks like:
1 ASN1_CHOICE(G) = {
2 ASN1_EX_TYPE(ASN1_TFLG_EXPTAG|ASN1_TFLG_APPLICATION, 0, G, value.g_1,
H_BODY),
3 ASN1_EX_TYPE(ASN1_TFLG_EXPTAG|ASN1_TFLG_APPLICATION, 1, G, value.g_2,
I_BODY)
4 } ASN1_CHOICE_END(G)
It works fine. But, if I understand, everywhere I want to use H, I must use the
ASN1_EX_TYPE definition?
So, the declarations at the end of this message are correct ?
Thank you very much to have helped me. Now I can continue to work!
Thanks.
Eric
Here are outputs and the test program.
-----
30:00110000 a:00001010 60:01100000 3:00000011
2:00000010 1:00000001 12:00010010 61:01100001
3:00000011 4:00000100 1:00000001 34:00110100
---
60:01100000 3:00000011 2:00000010 1:00000001
7b:01111011
-----
#define H_BODY ASN1_INTEGER
#define I_BODY ASN1_OCTET_STRING
typedef struct _G {
int type;
union {
H_BODY *g_1;
I_BODY *g_2;
} value;
} G;
#define G_1 0
#define G_2 1
typedef struct _F {
H_BODY *f_1;
I_BODY *f_2;
} F;
ASN1_ITEM_TEMPLATE(I) =
ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_EXPTAG|ASN1_TFLG_APPLICATION, 1, I,
I_BODY)
ASN1_ITEM_TEMPLATE_END(I)
ASN1_ITEM_TEMPLATE(H) =
ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_EXPTAG|ASN1_TFLG_APPLICATION, 0, H,
H_BODY)
ASN1_ITEM_TEMPLATE_END(H)
ASN1_CHOICE(G) = {
ASN1_EX_TYPE(ASN1_TFLG_EXPTAG|ASN1_TFLG_APPLICATION, 0, G, value.g_1,
H_BODY),
ASN1_EX_TYPE(ASN1_TFLG_EXPTAG|ASN1_TFLG_APPLICATION, 1, G, value.g_2,
I_BODY)
} ASN1_CHOICE_END(G)
ASN1_SEQUENCE(F) = {
ASN1_SIMPLE(F, f_1, H),
ASN1_SIMPLE(F, f_2, I)
} ASN1_SEQUENCE_END(F)
IMPLEMENT_ASN1_FUNCTIONS(G)
IMPLEMENT_ASN1_FUNCTIONS(I_BODY)
IMPLEMENT_ASN1_FUNCTIONS(F)
void hex2bin(int bin, char *str) {
unsigned int mask;
mask = 0x80;
while (mask) {
if (bin & mask)
*str = '1';
else
*str = '0';
str++;
mask >>= 1;
}
*str = 0;
}
int main(void) {
unsigned char *buffer;
unsigned char string[8];
int j;
int i;
G *f;
G *g;
F *f1;
F *f2;
f1 = F_new();
ASN1_INTEGER_set(f1->f_1, 0x12);
ASN1_INTEGER_set(f1->f_2, 0x34);
buffer = NULL;
i = i2d_F(f1, &buffer);
for (j = 0; j < i; j++) {
int n = buffer[j] & 0xFF;
if (j % 4 == 0) {
printf("\n");
}
hex2bin(n, string);
printf("%2x:%s ", n, string);
}
f2 = d2i_F(NULL, &buffer, i);
if (f2 == NULL) {
printf("Error\n");
} else {
F_free(f2);
}
printf("\n");
printf("---\n");
g = G_new();
g->type = G_1;
g->value.g_1 = ASN1_INTEGER_new();
ASN1_INTEGER_set(g->value.g_1, 123);
buffer = NULL;
i = i2d_G(g, &buffer);
for (j = 0; j < i; j++) {
int n = buffer[j] & 0xFF;
if (j % 4 == 0) {
printf("\n");
}
hex2bin(n, string);
printf("%2x:%s ", n, string);
}
printf("\n");
f = d2i_G(NULL, &buffer, i);
if (f == NULL) {
printf("Error\n");
} else {
G_free(g);
}
return 0;
}
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