From d54c2ee8c51b41b7f7a5a469efd6bb391a0c2b75 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Tue, 17 Jan 2012 18:25:50 +0100
Subject: initial checkin of 'libosmosim'

---
 src/sim/core.c | 172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 src/sim/core.c

(limited to 'src/sim/core.c')

diff --git a/src/sim/core.c b/src/sim/core.c
new file mode 100644
index 00000000..40a49cf2
--- /dev/null
+++ b/src/sim/core.c
@@ -0,0 +1,172 @@
+#include <stdlib.h>
+#include <stdint.h>
+
+#include <osmocom/core/talloc.h>
+#include <osmocom/sim/sim.h>
+
+static struct osim_decoded_element *
+__element_alloc(void *ctx, const char *name, enum osim_element_type type,
+		enum osim_element_repr repr)
+{
+	struct osim_decoded_element *elem;
+
+	elem = talloc_zero(ctx, struct osim_decoded_element);
+	if (!elem)
+		return NULL;
+	elem->name = name;
+	elem->type = type;
+	elem->representation = repr;
+
+	if (elem->type == ELEM_T_GROUP)
+		INIT_LLIST_HEAD(&elem->u.siblings);
+
+	return elem;
+}
+
+
+struct osim_decoded_element *
+element_alloc(struct osim_decoded_data *dd, const char *name,
+	      enum osim_element_type type, enum osim_element_repr repr)
+{
+	struct osim_decoded_element *elem;
+
+	elem = __element_alloc(dd, name, type, repr);
+	if (!elem)
+		return NULL;
+
+	llist_add_tail(&elem->list, &dd->decoded_elements);
+
+	return elem;
+}
+
+struct osim_decoded_element *
+element_alloc_sub(struct osim_decoded_element *ee, const char *name,
+	      enum osim_element_type type, enum osim_element_repr repr)
+{
+	struct osim_decoded_element *elem;
+
+	elem = __element_alloc(ee, name, type, repr);
+	if (!elem)
+		return NULL;
+
+	llist_add(&elem->list, &ee->u.siblings);
+
+	return elem;
+}
+
+
+void add_filedesc(struct osim_file_desc *root, const struct osim_file_desc *in, int num)
+{
+	int i;
+
+	for (i = 0; i < num; i++) {
+		struct osim_file_desc *ofd = talloc_memdup(root, &in[i], sizeof(*in));
+		llist_add_tail(&ofd->list, &root->child_list);
+	}
+}
+
+struct osim_file_desc *alloc_df(void *ctx, uint16_t fid, const char *name)
+{
+	struct osim_file_desc *mf;
+
+	mf = talloc_zero(ctx, struct osim_file_desc);
+	mf->type = TYPE_DF;
+	mf->fid = fid;
+	mf->short_name = name;
+	INIT_LLIST_HEAD(&mf->child_list);
+
+	return mf;
+}
+
+struct osim_file_desc *
+add_df_with_ef(struct osim_file_desc *parent,
+		uint16_t fid, const char *name,
+		const struct osim_file_desc *in, int num)
+{
+	struct osim_file_desc *df;
+
+	df = alloc_df(parent, fid, name);
+	df->parent = parent;
+	llist_add_tail(&df->list, &parent->child_list);
+	add_filedesc(df, in, num);
+
+	return df;
+}
+
+struct osim_file_desc *
+add_adf_with_ef(struct osim_file_desc *parent,
+		const uint8_t *adf_name, uint8_t adf_name_len,
+		const char *name, const struct osim_file_desc *in,
+		int num)
+{
+	struct osim_file_desc *df;
+
+	df = alloc_df(parent, 0xffff, name);
+	df->type = TYPE_ADF;
+	df->df_name = adf_name;
+	df->df_name_len = adf_name_len;
+	df->parent = parent;
+	llist_add_tail(&df->list, &parent->child_list);
+	add_filedesc(df, in, num);
+
+	return df;
+}
+
+struct osim_file_desc *
+osim_file_find_name(struct osim_file_desc *parent, const char *name)
+{
+	struct osim_file_desc *ofd;
+	llist_for_each_entry(ofd, &parent->child_list, list) {
+		if (!strcmp(ofd->short_name, name)) {
+			return ofd;
+		}
+	}
+	return NULL;
+}
+
+
+
+struct msgb *osim_new_apdumsg(uint8_t cla, uint8_t ins, uint8_t p1,
+			      uint8_t p2, uint16_t lc, uint16_t le)
+{
+	struct osim_apdu_cmd_hdr *ch;
+	struct msgb *msg = msgb_alloc(lc+le+sizeof(*ch)+2, "APDU");
+	if (!msg)
+		return NULL;
+
+	ch = (struct osim_apdu_cmd_hdr *) msgb_put(msg, sizeof(*ch));
+	msg->l2h = (char *) ch;
+
+	ch->cla = cla;
+	ch->ins = ins;
+	ch->p1 = p1;
+	ch->p2 = p2;
+
+	msgb_apdu_lc(msg) = lc;
+	msgb_apdu_le(msg) = le;
+
+	if (lc == 0 && le == 0)
+		msgb_apdu_case(msg) = APDU_CASE_1;
+	else if (lc == 0 && le >= 1) {
+		if (le <= 256)
+			msgb_apdu_case(msg) = APDU_CASE_2;
+		else
+			msgb_apdu_case(msg) = APDU_CASE_2_EXT;
+	} else if (le == 0 && lc >= 1) {
+		if (lc <= 255)
+			msgb_apdu_case(msg) = APDU_CASE_3;
+		else
+			msgb_apdu_case(msg) = APDU_CASE_3_EXT;
+	} else if (lc >= 1 && le >= 1) {
+		if (lc <= 255 & le <= 256)
+			msgb_apdu_case(msg) = APDU_CASE_4;
+		else
+			msgb_apdu_case(msg) = APDU_CASE_4_EXT;
+	}
+
+	return msg;
+}
+
+
+
+
-- 
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