diff options
Diffstat (limited to 'src/journal/journal-qrcode.c')
-rw-r--r-- | src/journal/journal-qrcode.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/journal/journal-qrcode.c b/src/journal/journal-qrcode.c deleted file mode 100644 index 10a14e4def..0000000000 --- a/src/journal/journal-qrcode.c +++ /dev/null @@ -1,138 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <assert.h> -#include <stdio.h> -#include <errno.h> -#include <stdlib.h> -#include <stdbool.h> - -#include <qrencode.h> - -#include "journal-qrcode.h" - -#define WHITE_ON_BLACK "\033[40;37;1m" -#define NORMAL "\033[0m" - -static void print_border(FILE *output, unsigned width) { - unsigned x, y; - - /* Four rows of border */ - for (y = 0; y < 4; y += 2) { - fputs(WHITE_ON_BLACK, output); - - for (x = 0; x < 4 + width + 4; x++) - fputs("\342\226\210", output); - - fputs(NORMAL "\n", output); - } -} - -int print_qr_code( - FILE *output, - const void *seed, - size_t seed_size, - uint64_t start, - uint64_t interval, - const char *hn, - sd_id128_t machine) { - - FILE *f; - char *url = NULL; - size_t url_size = 0, i; - QRcode* qr; - unsigned x, y; - - assert(seed); - assert(seed_size > 0); - - f = open_memstream(&url, &url_size); - if (!f) - return -ENOMEM; - - fputs("fss://", f); - - for (i = 0; i < seed_size; i++) { - if (i > 0 && i % 3 == 0) - fputc('-', f); - fprintf(f, "%02x", ((uint8_t*) seed)[i]); - } - - fprintf(f, "/%llx-%llx?machine=" SD_ID128_FORMAT_STR, - (unsigned long long) start, - (unsigned long long) interval, - SD_ID128_FORMAT_VAL(machine)); - - if (hn) - fprintf(f, ";hostname=%s", hn); - - if (ferror(f)) { - fclose(f); - free(url); - return -ENOMEM; - } - - fclose(f); - - qr = QRcode_encodeString(url, 0, QR_ECLEVEL_L, QR_MODE_8, 1); - free(url); - - if (!qr) - return -ENOMEM; - - print_border(output, qr->width); - - for (y = 0; y < (unsigned) qr->width; y += 2) { - const uint8_t *row1, *row2; - - row1 = qr->data + qr->width * y; - row2 = row1 + qr->width; - - fputs(WHITE_ON_BLACK, output); - for (x = 0; x < 4; x++) - fputs("\342\226\210", output); - - for (x = 0; x < (unsigned) qr->width; x ++) { - bool a, b; - - a = row1[x] & 1; - b = (y+1) < (unsigned) qr->width ? (row2[x] & 1) : false; - - if (a && b) - fputc(' ', output); - else if (a) - fputs("\342\226\204", output); - else if (b) - fputs("\342\226\200", output); - else - fputs("\342\226\210", output); - } - - for (x = 0; x < 4; x++) - fputs("\342\226\210", output); - fputs(NORMAL "\n", output); - } - - print_border(output, qr->width); - - QRcode_free(qr); - return 0; -} |