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