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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
490aed58 | 2 | |
490aed58 | 3 | #include <errno.h> |
0e098b15 | 4 | #include <stddef.h> |
07630cea | 5 | #include <sys/un.h> |
490aed58 | 6 | |
1fd27861 | 7 | #include "alloc-util.h" |
c7dd2095 | 8 | #include "main-func.h" |
3ffd4af2 | 9 | #include "fd-util.h" |
1fd27861 | 10 | #include "fileio.h" |
490aed58 LP |
11 | #include "log.h" |
12 | #include "macro.h" | |
090a9c1e | 13 | #include "memory-util.h" |
fc2fffe7 | 14 | #include "socket-util.h" |
07630cea | 15 | #include "string-util.h" |
490aed58 LP |
16 | |
17 | static int send_on_socket(int fd, const char *socket_name, const void *packet, size_t size) { | |
15a3e96f LP |
18 | union sockaddr_union sa = {}; |
19 | int salen; | |
490aed58 LP |
20 | |
21 | assert(fd >= 0); | |
22 | assert(socket_name); | |
23 | assert(packet); | |
24 | ||
15a3e96f LP |
25 | salen = sockaddr_un_set_path(&sa.un, socket_name); |
26 | if (salen < 0) | |
27 | return log_error_errno(salen, "Specified socket path for AF_UNIX socket invalid, refusing: %s", socket_name); | |
490aed58 | 28 | |
15a3e96f | 29 | if (sendto(fd, packet, size, MSG_NOSIGNAL, &sa.sa, salen) < 0) |
4a62c710 | 30 | return log_error_errno(errno, "Failed to send: %m"); |
490aed58 LP |
31 | |
32 | return 0; | |
33 | } | |
34 | ||
c7dd2095 | 35 | static int run(int argc, char *argv[]) { |
e693a932 | 36 | _cleanup_(erase_and_freep) char *packet = NULL; |
254d1313 | 37 | _cleanup_close_ int fd = -EBADF; |
fd5ad16c | 38 | size_t length = 0; |
1602b008 | 39 | int r; |
490aed58 | 40 | |
d2acb93d | 41 | log_setup(); |
490aed58 | 42 | |
c7dd2095 ZJS |
43 | if (argc != 3) |
44 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments."); | |
490aed58 LP |
45 | |
46 | if (streq(argv[1], "1")) { | |
9ae4ef49 | 47 | _cleanup_(erase_and_freep) char *line = NULL; |
490aed58 | 48 | |
1fd27861 | 49 | r = read_line(stdin, LONG_LINE_MAX, &line); |
c7dd2095 ZJS |
50 | if (r < 0) |
51 | return log_error_errno(r, "Failed to read password: %m"); | |
52 | if (r == 0) | |
53 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
54 | "Got EOF while reading password."); | |
1fd27861 LP |
55 | |
56 | packet = strjoin("+", line); | |
c7dd2095 ZJS |
57 | if (!packet) |
58 | return log_oom(); | |
490aed58 | 59 | |
1fd27861 LP |
60 | length = 1 + strlen(line) + 1; |
61 | ||
490aed58 | 62 | } else if (streq(argv[1], "0")) { |
1fd27861 | 63 | packet = strdup("-"); |
c7dd2095 ZJS |
64 | if (!packet) |
65 | return log_oom(); | |
1fd27861 | 66 | |
490aed58 | 67 | length = 1; |
1fd27861 | 68 | |
c7dd2095 ZJS |
69 | } else |
70 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
71 | "Invalid first argument %s", argv[1]); | |
490aed58 | 72 | |
03e334a1 | 73 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
c7dd2095 ZJS |
74 | if (fd < 0) |
75 | return log_error_errno(errno, "socket() failed: %m"); | |
490aed58 | 76 | |
c7dd2095 | 77 | return send_on_socket(fd, argv[2], packet, length); |
490aed58 | 78 | } |
c7dd2095 ZJS |
79 | |
80 | DEFINE_MAIN_FUNCTION(run); |