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Diffstat (limited to 'busybox/sysklogd/logger.c')
-rw-r--r-- | busybox/sysklogd/logger.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/busybox/sysklogd/logger.c b/busybox/sysklogd/logger.c new file mode 100644 index 000000000..16155316f --- /dev/null +++ b/busybox/sysklogd/logger.c | |||
@@ -0,0 +1,204 @@ | |||
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 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | * | ||
21 | */ | ||
22 | |||
23 | #include <stdio.h> | ||
24 | #include <unistd.h> | ||
25 | #include <sys/types.h> | ||
26 | #include <fcntl.h> | ||
27 | #include <ctype.h> | ||
28 | #include <string.h> | ||
29 | #include <stdlib.h> | ||
30 | |||
31 | #include "busybox.h" | ||
32 | #if !defined CONFIG_SYSLOGD | ||
33 | |||
34 | #define SYSLOG_NAMES | ||
35 | #include <sys/syslog.h> | ||
36 | |||
37 | #else | ||
38 | #include <sys/syslog.h> | ||
39 | # ifndef __dietlibc__ | ||
40 | /* We have to do this since the header file defines static | ||
41 | * structures. Argh.... bad libc, bad, bad... | ||
42 | */ | ||
43 | typedef struct _code { | ||
44 | char *c_name; | ||
45 | int c_val; | ||
46 | } CODE; | ||
47 | extern CODE prioritynames[]; | ||
48 | extern CODE facilitynames[]; | ||
49 | # endif | ||
50 | #endif | ||
51 | |||
52 | /* Decode a symbolic name to a numeric value | ||
53 | * this function is based on code | ||
54 | * Copyright (c) 1983, 1993 | ||
55 | * The Regents of the University of California. All rights reserved. | ||
56 | * | ||
57 | * Original copyright notice is retained at the end of this file. | ||
58 | */ | ||
59 | static int decode(char *name, CODE * codetab) | ||
60 | { | ||
61 | CODE *c; | ||
62 | |||
63 | if (isdigit(*name)) | ||
64 | return (atoi(name)); | ||
65 | for (c = codetab; c->c_name; c++) { | ||
66 | if (!strcasecmp(name, c->c_name)) { | ||
67 | return (c->c_val); | ||
68 | } | ||
69 | } | ||
70 | |||
71 | return (-1); | ||
72 | } | ||
73 | |||
74 | /* Decode a symbolic name to a numeric value | ||
75 | * this function is based on code | ||
76 | * Copyright (c) 1983, 1993 | ||
77 | * The Regents of the University of California. All rights reserved. | ||
78 | * | ||
79 | * Original copyright notice is retained at the end of this file. | ||
80 | */ | ||
81 | static int pencode(char *s) | ||
82 | { | ||
83 | char *save; | ||
84 | int lev, fac = LOG_USER; | ||
85 | |||
86 | for (save = s; *s && *s != '.'; ++s); | ||
87 | if (*s) { | ||
88 | *s = '\0'; | ||
89 | fac = decode(save, facilitynames); | ||
90 | if (fac < 0) | ||
91 | bb_error_msg_and_die("unknown facility name: %s", save); | ||
92 | *s++ = '.'; | ||
93 | } else { | ||
94 | s = save; | ||
95 | } | ||
96 | lev = decode(s, prioritynames); | ||
97 | if (lev < 0) | ||
98 | bb_error_msg_and_die("unknown priority name: %s", save); | ||
99 | return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK)); | ||
100 | } | ||
101 | |||
102 | |||
103 | extern int logger_main(int argc, char **argv) | ||
104 | { | ||
105 | int pri = LOG_USER | LOG_NOTICE; | ||
106 | int option = 0; | ||
107 | int c, i, opt; | ||
108 | char buf[1024], name[128]; | ||
109 | |||
110 | /* Fill out the name string early (may be overwritten later) */ | ||
111 | my_getpwuid(name, geteuid(), sizeof(name)); | ||
112 | |||
113 | /* Parse any options */ | ||
114 | while ((opt = getopt(argc, argv, "p:st:")) > 0) { | ||
115 | switch (opt) { | ||
116 | case 's': | ||
117 | option |= LOG_PERROR; | ||
118 | break; | ||
119 | case 'p': | ||
120 | pri = pencode(optarg); | ||
121 | break; | ||
122 | case 't': | ||
123 | safe_strncpy(name, optarg, sizeof(name)); | ||
124 | break; | ||
125 | default: | ||
126 | bb_show_usage(); | ||
127 | } | ||
128 | } | ||
129 | |||
130 | openlog(name, option, (pri | LOG_FACMASK)); | ||
131 | if (optind == argc) { | ||
132 | do { | ||
133 | /* read from stdin */ | ||
134 | i = 0; | ||
135 | while ((c = getc(stdin)) != EOF && c != '\n' && | ||
136 | i < (sizeof(buf)-1)) { | ||
137 | buf[i++] = c; | ||
138 | } | ||
139 | if (i > 0) { | ||
140 | buf[i++] = '\0'; | ||
141 | syslog(pri, "%s", buf); | ||
142 | } | ||
143 | } while (c != EOF); | ||
144 | } else { | ||
145 | char *message = NULL; | ||
146 | int len = argc - optind; /* for the space between the args | ||
147 | and '\0' */ | ||
148 | opt = len; | ||
149 | argv += optind; | ||
150 | for (i = 0; i < opt; i++) { | ||
151 | len += strlen(*argv); | ||
152 | message = xrealloc(message, len); | ||
153 | if(!i) | ||
154 | message[0] = 0; | ||
155 | else | ||
156 | strcat(message, " "); | ||
157 | strcat(message, *argv); | ||
158 | argv++; | ||
159 | } | ||
160 | syslog(pri, "%s", message); | ||
161 | } | ||
162 | |||
163 | closelog(); | ||
164 | return EXIT_SUCCESS; | ||
165 | } | ||
166 | |||
167 | |||
168 | /*- | ||
169 | * Copyright (c) 1983, 1993 | ||
170 | * The Regents of the University of California. All rights reserved. | ||
171 | * | ||
172 | * This is the original license statement for the decode and pencode functions. | ||
173 | * | ||
174 | * Redistribution and use in source and binary forms, with or without | ||
175 | * modification, are permitted provided that the following conditions | ||
176 | * are met: | ||
177 | * 1. Redistributions of source code must retain the above copyright | ||
178 | * notice, this list of conditions and the following disclaimer. | ||
179 | * 2. Redistributions in binary form must reproduce the above copyright | ||
180 | * notice, this list of conditions and the following disclaimer in the | ||
181 | * documentation and/or other materials provided with the distribution. | ||
182 | * | ||
183 | * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change | ||
184 | * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change> | ||
185 | * | ||
186 | * 4. Neither the name of the University nor the names of its contributors | ||
187 | * may be used to endorse or promote products derived from this software | ||
188 | * without specific prior written permission. | ||
189 | * | ||
190 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
191 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
192 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
193 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
194 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
195 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
196 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
197 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
198 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
199 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
200 | * SUCH DAMAGE. | ||
201 | */ | ||
202 | |||
203 | |||
204 | |||