Contents of /tags/mkinitrd-6_3_1/busybox/sysklogd/logger.c
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Thu Aug 19 12:44:27 2010 UTC (14 years, 1 month ago) by niro
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Thu Aug 19 12:44:27 2010 UTC (14 years, 1 month ago) by niro
File MIME type: text/plain
File size: 4530 byte(s)
tagged 'mkinitrd-6_3_1'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Mini logger implementation for busybox |
4 | * |
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | /* |
11 | * Done in syslogd_and_logger.c: |
12 | #include "libbb.h" |
13 | #define SYSLOG_NAMES |
14 | #define SYSLOG_NAMES_CONST |
15 | #include <syslog.h> |
16 | */ |
17 | |
18 | /* Decode a symbolic name to a numeric value |
19 | * this function is based on code |
20 | * Copyright (c) 1983, 1993 |
21 | * The Regents of the University of California. All rights reserved. |
22 | * |
23 | * Original copyright notice is retained at the end of this file. |
24 | */ |
25 | static int decode(char *name, const CODE *codetab) |
26 | { |
27 | const CODE *c; |
28 | |
29 | if (isdigit(*name)) |
30 | return atoi(name); |
31 | for (c = codetab; c->c_name; c++) { |
32 | if (!strcasecmp(name, c->c_name)) { |
33 | return c->c_val; |
34 | } |
35 | } |
36 | |
37 | return -1; |
38 | } |
39 | |
40 | /* Decode a symbolic name to a numeric value |
41 | * this function is based on code |
42 | * Copyright (c) 1983, 1993 |
43 | * The Regents of the University of California. All rights reserved. |
44 | * |
45 | * Original copyright notice is retained at the end of this file. |
46 | */ |
47 | static int pencode(char *s) |
48 | { |
49 | char *save; |
50 | int lev, fac = LOG_USER; |
51 | |
52 | for (save = s; *s && *s != '.'; ++s) |
53 | ; |
54 | if (*s) { |
55 | *s = '\0'; |
56 | fac = decode(save, facilitynames); |
57 | if (fac < 0) |
58 | bb_error_msg_and_die("unknown %s name: %s", "facility", save); |
59 | *s++ = '.'; |
60 | } else { |
61 | s = save; |
62 | } |
63 | lev = decode(s, prioritynames); |
64 | if (lev < 0) |
65 | bb_error_msg_and_die("unknown %s name: %s", "priority", save); |
66 | return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK)); |
67 | } |
68 | |
69 | #define strbuf bb_common_bufsiz1 |
70 | |
71 | int logger_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
72 | int logger_main(int argc UNUSED_PARAM, char **argv) |
73 | { |
74 | char *str_p, *str_t; |
75 | int opt; |
76 | int i = 0; |
77 | |
78 | /* Fill out the name string early (may be overwritten later) */ |
79 | str_t = uid2uname_utoa(geteuid()); |
80 | |
81 | /* Parse any options */ |
82 | opt = getopt32(argv, "p:st:", &str_p, &str_t); |
83 | |
84 | if (opt & 0x2) /* -s */ |
85 | i |= LOG_PERROR; |
86 | //if (opt & 0x4) /* -t */ |
87 | openlog(str_t, i, 0); |
88 | i = LOG_USER | LOG_NOTICE; |
89 | if (opt & 0x1) /* -p */ |
90 | i = pencode(str_p); |
91 | |
92 | argv += optind; |
93 | if (!argv[0]) { |
94 | while (fgets(strbuf, COMMON_BUFSIZE, stdin)) { |
95 | if (strbuf[0] |
96 | && NOT_LONE_CHAR(strbuf, '\n') |
97 | ) { |
98 | /* Neither "" nor "\n" */ |
99 | syslog(i, "%s", strbuf); |
100 | } |
101 | } |
102 | } else { |
103 | char *message = NULL; |
104 | int len = 0; |
105 | int pos = 0; |
106 | do { |
107 | len += strlen(*argv) + 1; |
108 | message = xrealloc(message, len + 1); |
109 | sprintf(message + pos, " %s", *argv), |
110 | pos = len; |
111 | } while (*++argv); |
112 | syslog(i, "%s", message + 1); /* skip leading " " */ |
113 | } |
114 | |
115 | closelog(); |
116 | return EXIT_SUCCESS; |
117 | } |
118 | |
119 | /* Clean up. Needed because we are included from syslogd_and_logger.c */ |
120 | #undef strbuf |
121 | |
122 | /*- |
123 | * Copyright (c) 1983, 1993 |
124 | * The Regents of the University of California. All rights reserved. |
125 | * |
126 | * This is the original license statement for the decode and pencode functions. |
127 | * |
128 | * Redistribution and use in source and binary forms, with or without |
129 | * modification, are permitted provided that the following conditions |
130 | * are met: |
131 | * 1. Redistributions of source code must retain the above copyright |
132 | * notice, this list of conditions and the following disclaimer. |
133 | * 2. Redistributions in binary form must reproduce the above copyright |
134 | * notice, this list of conditions and the following disclaimer in the |
135 | * documentation and/or other materials provided with the distribution. |
136 | * |
137 | * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change |
138 | * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change> |
139 | * |
140 | * 4. Neither the name of the University nor the names of its contributors |
141 | * may be used to endorse or promote products derived from this software |
142 | * without specific prior written permission. |
143 | * |
144 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
145 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
146 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
147 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
148 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
149 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
150 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
151 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
152 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
153 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
154 | * SUCH DAMAGE. |
155 | */ |