119 lines
2.3 KiB
C
119 lines
2.3 KiB
C
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/utils.h>
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#include <csv.h>
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#include "bankd.h"
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struct pcsc_slot_name {
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struct llist_head list;
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/* RSPRO bank slot number */
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struct bank_slot slot;
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/* String name of the reader in PC/SC world */
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const char *name;
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};
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enum parser_state_name {
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ST_NONE,
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ST_BANK_NR,
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ST_SLOT_NR,
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ST_PCSC_NAME,
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};
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struct parser_state {
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struct bankd *bankd;
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enum parser_state_name state;
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struct pcsc_slot_name *cur;
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};
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static void parser_state_init(struct parser_state *ps)
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{
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ps->state = ST_BANK_NR;
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ps->cur = NULL;
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}
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static void cb1(void *s, size_t len, void *data)
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{
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char *field = (char *) s;
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struct parser_state *ps = data;
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switch (ps->state) {
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case ST_BANK_NR:
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OSMO_ASSERT(!ps->cur);
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ps->cur = talloc_zero(ps->bankd, struct pcsc_slot_name);
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OSMO_ASSERT(ps->cur);
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ps->cur->slot.bank_id = atoi(field);
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ps->state = ST_SLOT_NR;
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break;
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case ST_SLOT_NR:
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OSMO_ASSERT(ps->cur);
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ps->cur->slot.slot_nr = atoi(field);
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ps->state = ST_PCSC_NAME;
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break;
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case ST_PCSC_NAME:
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OSMO_ASSERT(ps->cur);
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ps->cur->name = talloc_strdup(ps->cur, field);
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break;
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default:
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OSMO_ASSERT(0);
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}
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}
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static void cb2(int c, void *data)
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{
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struct parser_state *ps = data;
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struct pcsc_slot_name *sn = ps->cur;
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printf("PC/SC slot name: %u/%u -> '%s'\n", sn->slot.bank_id, sn->slot.slot_nr, sn->name);
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llist_add_tail(&sn->list, &ps->bankd->pcsc_slot_names);
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ps->state = ST_BANK_NR;
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ps->cur = NULL;
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}
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int bankd_pcsc_read_slotnames(struct bankd *bankd, const char *csv_file)
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{
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FILE *fp;
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struct csv_parser p;
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char buf[1024];
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size_t bytes_read;
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struct parser_state ps;
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if (csv_init(&p, CSV_APPEND_NULL) != 0)
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return -1;
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fp = fopen(csv_file, "rb");
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if (!fp)
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return -1;
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parser_state_init(&ps);
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ps.bankd = bankd;
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while ((bytes_read = fread(buf, 1, sizeof(buf), fp)) > 0) {
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if (csv_parse(&p, buf, bytes_read, cb1, cb2, &ps) != bytes_read) {
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fprintf(stderr, "Error parsing CSV: %s\n", csv_strerror(csv_error(&p)));
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fclose(fp);
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return -1;
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}
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}
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csv_fini(&p, cb1, cb2, &ps);
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fclose(fp);
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csv_free(&p);
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return 0;
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}
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const char *bankd_pcsc_get_slot_name(struct bankd *bankd, const struct bank_slot *slot)
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{
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struct pcsc_slot_name *cur;
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llist_for_each_entry(cur, &bankd->pcsc_slot_names, list) {
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if (bank_slot_equals(&cur->slot, slot))
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return cur->name;
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}
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return NULL;
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}
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