18810271929

Committed 25 Oct 2025 04:50PM UTC coverage: 72.26%. Remained the same

Build # 18810271929

Build Type

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github

Committed by

YHNdnzj

Commit Message

core/exec-invoke: relax restriction for process name length

Previously, we limit the length of process name by 8.
This relax the restriction then at least process comm or
program_invocation_name contains the untrucated process name.

Closes #38367.

Run Details

24 of 28 new or added lines in 3 files covered. (85.71%)

486 existing lines in 52 files now uncovered.

304829 of 421852 relevant lines covered (72.26%)

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48.36

/src/shared/qrcode-util.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include "qrcode-util.h"

#if HAVE_QRENCODE
#include <qrencode.h>
#endif
#include <stdio.h>

#include "ansi-color.h"
#include "dlfcn-util.h"
#include "locale-util.h"
#include "log.h"
#include "strv.h"
#include "terminal-util.h"

#define ANSI_WHITE_ON_BLACK "\033[40;37;1m"
#define UNICODE_FULL_BLOCK       UTF8("█")
#define UNICODE_LOWER_HALF_BLOCK UTF8("▄")
#define UNICODE_UPPER_HALF_BLOCK UTF8("▀")

#if HAVE_QRENCODE
static void *qrcode_dl = NULL;

static DLSYM_PROTOTYPE(QRcode_encodeString) = NULL;
static DLSYM_PROTOTYPE(QRcode_free) = NULL;
#endif

int dlopen_qrencode(void) {
#if HAVE_QRENCODE
        int r;

        ELF_NOTE_DLOPEN("qrencode",
                        "Support for generating QR codes",
                        ELF_NOTE_DLOPEN_PRIORITY_SUGGESTED,
                        "libqrencode.so.4", "libqrencode.so.3");

        FOREACH_STRING(s, "libqrencode.so.4", "libqrencode.so.3") {
                r = dlopen_many_sym_or_warn(
                        &qrcode_dl, s, LOG_DEBUG,
                        DLSYM_ARG(QRcode_encodeString),
                        DLSYM_ARG(QRcode_free));
                if (r >= 0)
                        break;
        }

        return r;
#else
        return -EOPNOTSUPP;
#endif
}

#if HAVE_QRENCODE

static void print_border(FILE *output, unsigned width, unsigned row, unsigned column) {
        assert(output);
        assert(width);

        if (row != UINT_MAX && column != UINT_MAX) {
                int r, fd;

                fd = fileno(output);
                if (fd < 0)
                        return (void)log_debug_errno(errno, "Failed to get file descriptor from the file stream: %m");

                r = terminal_set_cursor_position(fd, row, column);
                if (r < 0)
                        log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");

                /* Four rows of border */
                for (unsigned y = 0; y < 4; y += 2) {
                        fputs(ANSI_WHITE_ON_BLACK, output);

                        for (unsigned x = 0; x < 4 + width + 4; x++)
                                fputs(UNICODE_FULL_BLOCK, output);

                        fputs(ANSI_NORMAL "\n", output);
                        r = terminal_set_cursor_position(fd, row + 1, column);
                        if (r < 0)
                                log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");
                }
        } else {
                /* Four rows of border */
                for (unsigned y = 0; y < 4; y += 2) {
                        fputs(ANSI_WHITE_ON_BLACK, output);

                        for (unsigned x = 0; x < 4 + width + 4; x++)
                                fputs(UNICODE_FULL_BLOCK, output);

                        fputs(ANSI_NORMAL "\n", output);
                }
        }
}

static void write_qrcode(FILE *output, QRcode *qr, unsigned row, unsigned column) {
        assert(qr);

        if (!output)
                output = stdout;

        print_border(output, qr->width, row, column);

        if (row != UINT_MAX && column != UINT_MAX) {
                /* After printing two rows of top border, we need to move the cursor down two rows before starting to print the actual QR code */
                int r, fd, move_down = 2;
                fd = fileno(output);
                if (fd < 0)
                        return (void)log_debug_errno(errno, "Failed to get file descriptor from the file stream: %m");

                r = terminal_set_cursor_position(fd, row + move_down, column);
                if (r < 0)
                        log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");

                for (unsigned y = 0; y < (unsigned) qr->width; y += 2) {
                        const uint8_t *row1 = qr->data + qr->width * y;
                        const uint8_t *row2 = row1 + qr->width;

                        fputs(ANSI_WHITE_ON_BLACK, output);

                        for (unsigned x = 0; x < 4; x++)
                                fputs(UNICODE_FULL_BLOCK, output);

                        for (unsigned 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(UNICODE_LOWER_HALF_BLOCK, output);
                                else if (b)
                                        fputs(UNICODE_UPPER_HALF_BLOCK, output);
                                else
                                        fputs(UNICODE_FULL_BLOCK, output);
                        }

                        for (unsigned x = 0; x < 4; x++)
                                fputs(UNICODE_FULL_BLOCK, output);
                        r = terminal_set_cursor_position(fd, row + move_down, column);
                        if (r < 0)
                                log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");
                        move_down += 1;
                        fputs(ANSI_NORMAL "\n", output);
                }

                print_border(output, qr->width, row + move_down, column);
        } else {

                for (unsigned y = 0; y < (unsigned) qr->width; y += 2) {
                        const uint8_t *row1 = qr->data + qr->width * y;
                        const uint8_t *row2 = row1 + qr->width;

                        fputs(ANSI_WHITE_ON_BLACK, output);
                        for (unsigned x = 0; x < 4; x++)
                                fputs(UNICODE_FULL_BLOCK, output);

                        for (unsigned 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(UNICODE_LOWER_HALF_BLOCK, output);
                                else if (b)
                                        fputs(UNICODE_UPPER_HALF_BLOCK, output);
                                else
                                        fputs(UNICODE_FULL_BLOCK, output);
                        }

                        for (unsigned x = 0; x < 4; x++)
                                fputs(UNICODE_FULL_BLOCK, output);
                        fputs(ANSI_NORMAL "\n", output);
                }

                print_border(output, qr->width, row, column);
        }

        fflush(output);
}

DEFINE_TRIVIAL_CLEANUP_FUNC_FULL_RENAME(QRcode*, sym_QRcode_free, QRcode_freep, NULL);

#endif

int print_qrcode_full(
                FILE *out,
                const char *header,
                const char *string,
                unsigned row,
                unsigned column,
                unsigned tty_width,
                unsigned tty_height,
                bool check_tty) {

#if HAVE_QRENCODE
        int r;

        /* If this is not a UTF-8 system or ANSI colors aren't supported/disabled don't print any QR
         * codes */
        if (!is_locale_utf8())
                return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not an UTF-8 system, cannot print qrcode");
        if (check_tty && !colors_enabled())
                return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Colors are disabled, cannot print qrcode");

        r = dlopen_qrencode();
        if (r < 0)
                return r;

        _cleanup_(QRcode_freep) QRcode *qr = sym_QRcode_encodeString(string, 0, QR_ECLEVEL_L, QR_MODE_8, 1);
        if (!qr)
                return log_oom_debug();

        if (row != UINT_MAX && column != UINT_MAX) {
                unsigned qr_code_width, qr_code_height;

                int fd = fileno(out);
                if (fd < 0)
                        return log_debug_errno(errno, "Failed to get file descriptor from the file stream: %m");

                qr_code_width = qr_code_height = qr->width + 8;
                if (column + qr_code_width > tty_width)
                        column = tty_width - qr_code_width;

                /* Terminal characters are twice as high as they are wide so it's qr_code_height / 2,
                 * our QR code prints an extra new line, so we have -1 as well */
                if (row + qr_code_height > tty_height)
                        row = tty_height - (qr_code_height / 2 ) - 1;

                if (header) {
                        r = terminal_set_cursor_position(fd, row - 2, tty_width - qr_code_width - 2);
                        if (r < 0)
                                log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");

                        fprintf(out, "%s:\n\n", header);
                }
        } else
                if (header)
                        fprintf(out, "\n%s:\n\n", header);

        write_qrcode(out, qr, row, column);
        fputc('\n', out);

        return 0;
#else
        return -EOPNOTSUPP;
#endif
}

1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3	#include "qrcode-util.h"
4
5	#if HAVE_QRENCODE
6	#include <qrencode.h>
7	#endif
8	#include <stdio.h>
9
10	#include "ansi-color.h"
11	#include "dlfcn-util.h"
12	#include "locale-util.h"
13	#include "log.h"
14	#include "strv.h"
15	#include "terminal-util.h"
16
17	#define ANSI_WHITE_ON_BLACK "\033[40;37;1m"
18	#define UNICODE_FULL_BLOCK UTF8("█")
19	#define UNICODE_LOWER_HALF_BLOCK UTF8("▄")
20	#define UNICODE_UPPER_HALF_BLOCK UTF8("▀")
21
22	#if HAVE_QRENCODE
23	static void *qrcode_dl = NULL;
24
25	static DLSYM_PROTOTYPE(QRcode_encodeString) = NULL;
26	static DLSYM_PROTOTYPE(QRcode_free) = NULL;
27	#endif
28
29	int dlopen_qrencode(void) {	2✔
30	#if HAVE_QRENCODE
31	int r;	2✔
32
33	ELF_NOTE_DLOPEN("qrencode",	2✔
34	"Support for generating QR codes",
35	ELF_NOTE_DLOPEN_PRIORITY_SUGGESTED,
36	"libqrencode.so.4", "libqrencode.so.3");
37
38	FOREACH_STRING(s, "libqrencode.so.4", "libqrencode.so.3") {	2✔
39	r = dlopen_many_sym_or_warn(	2✔
40	&qrcode_dl, s, LOG_DEBUG,
41	DLSYM_ARG(QRcode_encodeString),
42	DLSYM_ARG(QRcode_free));
43	if (r >= 0)	2✔
44	break;
45	}
46
47	return r;	2✔
48	#else
49	return -EOPNOTSUPP;
50	#endif
51	}
52
53	#if HAVE_QRENCODE
54
55	static void print_border(FILE *output, unsigned width, unsigned row, unsigned column) {	2✔
56	assert(output);	2✔
57	assert(width);	2✔
58
59	if (row != UINT_MAX && column != UINT_MAX) {	2✔
60	int r, fd;	×
61
62	fd = fileno(output);	×
63	if (fd < 0)	×
64	return (void)log_debug_errno(errno, "Failed to get file descriptor from the file stream: %m");	×
65
66	r = terminal_set_cursor_position(fd, row, column);	×
67	if (r < 0)	×
68	log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");	×
69
70	/* Four rows of border */
71	for (unsigned y = 0; y < 4; y += 2) {	×
72	fputs(ANSI_WHITE_ON_BLACK, output);	×
73
74	for (unsigned x = 0; x < 4 + width + 4; x++)	×
75	fputs(UNICODE_FULL_BLOCK, output);	×
76
77	fputs(ANSI_NORMAL "\n", output);	×
78	r = terminal_set_cursor_position(fd, row + 1, column);	×
79	if (r < 0)	×
80	log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");	×
81	}
82	} else {
83	/* Four rows of border */
84	for (unsigned y = 0; y < 4; y += 2) {	6✔
85	fputs(ANSI_WHITE_ON_BLACK, output);	4✔
86
87	for (unsigned x = 0; x < 4 + width + 4; x++)	120✔
88	fputs(UNICODE_FULL_BLOCK, output);	116✔
89
90	fputs(ANSI_NORMAL "\n", output);	4✔
91	}
92	}
93	}
94
95	static void write_qrcode(FILE output, QRcode qr, unsigned row, unsigned column) {	1✔
96	assert(qr);	1✔
97
98	if (!output)	1✔
99	output = stdout;	×
100
101	print_border(output, qr->width, row, column);	1✔
102
103	if (row != UINT_MAX && column != UINT_MAX) {	1✔
104	/* After printing two rows of top border, we need to move the cursor down two rows before starting to print the actual QR code */
105	int r, fd, move_down = 2;	×
106	fd = fileno(output);	×
107	if (fd < 0)	×
108	return (void)log_debug_errno(errno, "Failed to get file descriptor from the file stream: %m");	×
109
110	r = terminal_set_cursor_position(fd, row + move_down, column);	×
111	if (r < 0)	×
112	log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");	×
113
114	for (unsigned y = 0; y < (unsigned) qr->width; y += 2) {	×
115	const uint8_t row1 = qr->data + qr->width y;	×
116	const uint8_t *row2 = row1 + qr->width;	×
117
118	fputs(ANSI_WHITE_ON_BLACK, output);	×
119
120	for (unsigned x = 0; x < 4; x++)	×
121	fputs(UNICODE_FULL_BLOCK, output);	×
122
123	for (unsigned x = 0; x < (unsigned) qr->width; x++) {	×
124	bool a, b;	×
125
126	a = row1[x] & 1;	×
127	b = (y+1) < (unsigned) qr->width ? (row2[x] & 1) : false;	×
128
129	if (a && b)	×
130	fputc(' ', output);	×
131	else if (a)	×
132	fputs(UNICODE_LOWER_HALF_BLOCK, output);	×
133	else if (b)	×
134	fputs(UNICODE_UPPER_HALF_BLOCK, output);	×
135	else
136	fputs(UNICODE_FULL_BLOCK, output);	×
137	}
138
139	for (unsigned x = 0; x < 4; x++)	×
140	fputs(UNICODE_FULL_BLOCK, output);	×
141	r = terminal_set_cursor_position(fd, row + move_down, column);	×
142	if (r < 0)	×
143	log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");	×
144	move_down += 1;	×
145	fputs(ANSI_NORMAL "\n", output);	×
146	}
147
148	print_border(output, qr->width, row + move_down, column);	×
149	} else {
150
151	for (unsigned y = 0; y < (unsigned) qr->width; y += 2) {	12✔
152	const uint8_t row1 = qr->data + qr->width y;	11✔
153	const uint8_t *row2 = row1 + qr->width;	11✔
154
155	fputs(ANSI_WHITE_ON_BLACK, output);	11✔
156	for (unsigned x = 0; x < 4; x++)	55✔
157	fputs(UNICODE_FULL_BLOCK, output);	44✔
158
159	for (unsigned x = 0; x < (unsigned) qr->width; x++) {	242✔
160	bool a, b;	231✔
161
162	a = row1[x] & 1;	231✔
163	b = (y+1) < (unsigned) qr->width ? (row2[x] & 1) : false;	231✔
164
165	if (a && b)	210✔
166	fputc(' ', output);	60✔
167	else if (a)	171✔
168	fputs(UNICODE_LOWER_HALF_BLOCK, output);	89✔
169	else if (b)	82✔
170	fputs(UNICODE_UPPER_HALF_BLOCK, output);	29✔
171	else
172	fputs(UNICODE_FULL_BLOCK, output);	53✔
173	}
174
175	for (unsigned x = 0; x < 4; x++)	55✔
176	fputs(UNICODE_FULL_BLOCK, output);	44✔
177	fputs(ANSI_NORMAL "\n", output);	11✔
178	}
179
180	print_border(output, qr->width, row, column);	1✔
181	}
182
183	fflush(output);	1✔
184	}
185
186	DEFINE_TRIVIAL_CLEANUP_FUNC_FULL_RENAME(QRcode*, sym_QRcode_free, QRcode_freep, NULL);	1✔
187
188	#endif
189
190	int print_qrcode_full(	14✔
191	FILE *out,
192	const char *header,
193	const char *string,
194	unsigned row,
195	unsigned column,
196	unsigned tty_width,
197	unsigned tty_height,
198	bool check_tty) {
199
200	#if HAVE_QRENCODE
201	int r;	14✔
202
203	/* If this is not a UTF-8 system or ANSI colors aren't supported/disabled don't print any QR
204	* codes */
205	if (!is_locale_utf8())	14✔
206	return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not an UTF-8 system, cannot print qrcode");	14✔
207	if (check_tty && !colors_enabled())	28✔
208	return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Colors are disabled, cannot print qrcode");	13✔
209
210	r = dlopen_qrencode();	1✔
211	if (r < 0)	1✔
212	return r;
213
214	_cleanup_(QRcode_freep) QRcode *qr = sym_QRcode_encodeString(string, 0, QR_ECLEVEL_L, QR_MODE_8, 1);	2✔
215	if (!qr)	1✔
UNCOV 216	return log_oom_debug();	×
217
218	if (row != UINT_MAX && column != UINT_MAX) {	1✔
UNCOV 219	unsigned qr_code_width, qr_code_height;	×
220
UNCOV 221	int fd = fileno(out);	×
222	if (fd < 0)	×
223	return log_debug_errno(errno, "Failed to get file descriptor from the file stream: %m");	×
224
UNCOV 225	qr_code_width = qr_code_height = qr->width + 8;	×
226	if (column + qr_code_width > tty_width)	×
227	column = tty_width - qr_code_width;	×
228
229	/* Terminal characters are twice as high as they are wide so it's qr_code_height / 2,
230	* our QR code prints an extra new line, so we have -1 as well */
UNCOV 231	if (row + qr_code_height > tty_height)	×
232	row = tty_height - (qr_code_height / 2 ) - 1;	×
233
UNCOV 234	if (header) {	×
235	r = terminal_set_cursor_position(fd, row - 2, tty_width - qr_code_width - 2);	×
236	if (r < 0)	×
237	log_warning_errno(r, "Failed to move terminal cursor position, ignoring: %m");	×
238
UNCOV 239	fprintf(out, "%s:\n\n", header);	×
240	}
241	} else
242	if (header)	1✔
243	fprintf(out, "\n%s:\n\n", header);	1✔
244
245	write_qrcode(out, qr, row, column);	1✔
246	fputc('\n', out);	1✔
247
248	return 0;
249	#else
250	return -EOPNOTSUPP;
251	#endif
252	}

systemd / systemd / 18810271929

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