| File: | src/usr.sbin/ractl/ractl.c |
| Warning: | line 104, column 2 Value stored to 'done' is never read |
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| 1 | /* $OpenBSD: ractl.c,v 1.3 2021/02/27 10:35:20 florian Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org> |
| 5 | * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org> |
| 6 | * Copyright (c) 2003 Henning Brauer <henning@openbsd.org> |
| 7 | * |
| 8 | * Permission to use, copy, modify, and distribute this software for any |
| 9 | * purpose with or without fee is hereby granted, provided that the above |
| 10 | * copyright notice and this permission notice appear in all copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 13 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 14 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 15 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 16 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 17 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 18 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 19 | */ |
| 20 | |
| 21 | #include <sys/types.h> |
| 22 | #include <sys/queue.h> |
| 23 | #include <sys/socket.h> |
| 24 | #include <sys/un.h> |
| 25 | #include <netinet/in.h> |
| 26 | #include <arpa/inet.h> |
| 27 | #include <net/if.h> |
| 28 | #include <net/if_media.h> |
| 29 | #include <net/if_types.h> |
| 30 | |
| 31 | #include <err.h> |
| 32 | #include <errno(*__errno()).h> |
| 33 | #include <event.h> |
| 34 | #include <imsg.h> |
| 35 | #include <stdio.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <string.h> |
| 38 | #include <unistd.h> |
| 39 | |
| 40 | #include "rad.h" |
| 41 | #include "frontend.h" |
| 42 | #include "parser.h" |
| 43 | |
| 44 | __dead__attribute__((__noreturn__)) void usage(void); |
| 45 | |
| 46 | struct imsgbuf *ibuf; |
| 47 | |
| 48 | __dead__attribute__((__noreturn__)) void |
| 49 | usage(void) |
| 50 | { |
| 51 | extern char *__progname; |
| 52 | |
| 53 | fprintf(stderr(&__sF[2]), "usage: %s [-s socket] command [argument ...]\n", |
| 54 | __progname); |
| 55 | exit(1); |
| 56 | } |
| 57 | |
| 58 | int |
| 59 | main(int argc, char *argv[]) |
| 60 | { |
| 61 | struct sockaddr_un sun; |
| 62 | struct parse_result *res; |
| 63 | struct imsg imsg; |
| 64 | int ctl_sock; |
| 65 | int done = 0; |
| 66 | int n, verbose = 0; |
| 67 | int ch; |
| 68 | char *sockname; |
| 69 | |
| 70 | sockname = _PATH_RAD_SOCKET"/var/run/rad.sock"; |
| 71 | while ((ch = getopt(argc, argv, "s:")) != -1) { |
| 72 | switch (ch) { |
| 73 | case 's': |
| 74 | sockname = optarg; |
| 75 | break; |
| 76 | default: |
| 77 | usage(); |
| 78 | } |
| 79 | } |
| 80 | argc -= optind; |
| 81 | argv += optind; |
| 82 | |
| 83 | /* Parse command line. */ |
| 84 | if ((res = parse(argc, argv)) == NULL((void *)0)) |
| 85 | exit(1); |
| 86 | |
| 87 | /* Connect to control socket. */ |
| 88 | if ((ctl_sock = socket(AF_UNIX1, SOCK_STREAM1, 0)) == -1) |
| 89 | err(1, "socket"); |
| 90 | |
| 91 | memset(&sun, 0, sizeof(sun)); |
| 92 | sun.sun_family = AF_UNIX1; |
| 93 | strlcpy(sun.sun_path, sockname, sizeof(sun.sun_path)); |
| 94 | |
| 95 | if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) |
| 96 | err(1, "connect: %s", sockname); |
| 97 | |
| 98 | if (pledge("stdio", NULL((void *)0)) == -1) |
| 99 | err(1, "pledge"); |
| 100 | |
| 101 | if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL((void *)0)) |
| 102 | err(1, NULL((void *)0)); |
| 103 | imsg_init(ibuf, ctl_sock); |
| 104 | done = 0; |
Value stored to 'done' is never read | |
| 105 | |
| 106 | /* Process user request. */ |
| 107 | switch (res->action) { |
| 108 | case LOG_VERBOSE: |
| 109 | verbose = 1; |
| 110 | /* FALLTHROUGH */ |
| 111 | case LOG_BRIEF: |
| 112 | imsg_compose(ibuf, IMSG_CTL_LOG_VERBOSE, 0, 0, -1, |
| 113 | &verbose, sizeof(verbose)); |
| 114 | printf("logging request sent.\n"); |
| 115 | done = 1; |
| 116 | break; |
| 117 | case RELOAD: |
| 118 | imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, NULL((void *)0), 0); |
| 119 | printf("reload request sent.\n"); |
| 120 | done = 1; |
| 121 | break; |
| 122 | default: |
| 123 | usage(); |
| 124 | } |
| 125 | |
| 126 | while (ibuf->w.queued) |
| 127 | if (msgbuf_write(&ibuf->w) <= 0 && errno(*__errno()) != EAGAIN35) |
| 128 | err(1, "write error"); |
| 129 | |
| 130 | while (!done) { |
| 131 | if ((n = imsg_read(ibuf)) == -1 && errno(*__errno()) != EAGAIN35) |
| 132 | errx(1, "imsg_read error"); |
| 133 | if (n == 0) |
| 134 | errx(1, "pipe closed"); |
| 135 | |
| 136 | while (!done) { |
| 137 | if ((n = imsg_get(ibuf, &imsg)) == -1) |
| 138 | errx(1, "imsg_get error"); |
| 139 | if (n == 0) |
| 140 | break; |
| 141 | |
| 142 | switch (res->action) { |
| 143 | default: |
| 144 | break; |
| 145 | } |
| 146 | imsg_free(&imsg); |
| 147 | } |
| 148 | } |
| 149 | close(ctl_sock); |
| 150 | free(ibuf); |
| 151 | |
| 152 | return (0); |
| 153 | } |