1 kumpf 1.1.4.2 /*
2 //%2006////////////////////////////////////////////////////////////////////////
3 //
4 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
5 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
6 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
7 // IBM Corp.; EMC Corporation, The Open Group.
8 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
9 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
10 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
11 // EMC Corporation; VERITAS Software Corporation; The Open Group.
12 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
13 // EMC Corporation; Symantec Corporation; The Open Group.
14 //
15 // Permission is hereby granted, free of charge, to any person obtaining a copy
16 // of this software and associated documentation files (the "Software"), to
17 // deal in the Software without restriction, including without limitation the
18 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
19 // sell copies of the Software, and to permit persons to whom the Software is
20 // furnished to do so, subject to the following conditions:
21 //
22 kumpf 1.1.4.2 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
23 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
24 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
25 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
26 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
27 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 //
31 //%/////////////////////////////////////////////////////////////////////////////
32 */
33 #include <string.h>
34 #include <ctype.h>
35 #include <stdio.h>
36 #include "Config.h"
37 #include "Strlcpy.h"
38 #include "Strlcat.h"
39 #include "Path.h"
40 #include "Defines.h"
41 #include "Globals.h"
42 #include "Assert.h"
43 kumpf 1.1.4.2
44 /*
45 **==============================================================================
46 **
47 ** ConfigParameter
48 **
49 ** The _config[] array below defines default values for the
50 ** various configuration items.
51 **
52 **==============================================================================
53 */
54
55 struct ConfigParameter
56 {
57 const char* name;
58 const char* value;
59 };
60
61 static struct ConfigParameter _config[] =
62 {
63 #include <Pegasus/Config/FixedPropertyTable.h>
64 kumpf 1.1.4.2 };
65
66 static size_t _configSize =
67 sizeof(_config) / sizeof(_config[0]);
68
69 /*
70 **==============================================================================
71 **
72 ** GetConfigParamFromCommandLine()
73 **
74 ** Attempt to find a command line configuratin parameter of the form
75 ** name=value. For example:
|
77 kumpf 1.1.4.2 ** Return 0 if found.
78 **
79 **==============================================================================
80 */
81
82 int GetConfigParamFromCommandLine(
83 const char* name,
84 char value[EXECUTOR_BUFFER_SIZE])
85 {
86 size_t n = strlen(name);
87 int i;
88
89 EXECUTOR_ASSERT(globals.argv != NULL);
90
91 for (i = 1; i < globals.argc; i++)
92 {
93 if (strncmp(globals.argv[i], name, n) == 0 && globals.argv[i][n] == '=')
94 {
95 Strlcpy(value, globals.argv[i] + n + 1, EXECUTOR_BUFFER_SIZE);
96 return 0;
97 }
98 kumpf 1.1.4.2 }
99
100 return -1;
101 }
102
103 /*
104 **==============================================================================
105 **
106 ** GetConfigParamFromFile()
107 **
108 ** Attempt to find the named option in the configuration file. If found,
109 ** set value and return 0.
110 **
111 **==============================================================================
112 */
113
114 int GetConfigParamFromFile(
115 const char* path,
116 const char* name,
117 char value[EXECUTOR_BUFFER_SIZE])
118 {
119 kumpf 1.1.4.2 char buffer[EXECUTOR_BUFFER_SIZE];
120 FILE* is;
121 size_t n;
122
123 if ((is = fopen(path, "r")) == NULL)
124 return -1;
125
126 n = strlen(name);
127
128 while (fgets(buffer, sizeof(buffer), is) != 0)
129 {
130 size_t r;
131
132 /* Skip comments. */
133
134 if (buffer[0] == '#')
135 continue;
136
137 /* Remove trailing whitespace. */
138
139 r = strlen(buffer);
140 kumpf 1.1.4.2
141 while (r--)
142 {
143 if (isspace(buffer[r]))
144 buffer[r] = '\0';
145 }
146
147 /* Skip blank lines. */
148
149 if (buffer[0] == '\0')
150 continue;
151
152 /* Check option. */
153
154 if (strncmp(buffer, name, n) == 0 && buffer[n] == '=')
155 {
156 Strlcpy(value, buffer + n + 1, EXECUTOR_BUFFER_SIZE);
157 fclose(is);
158 return 0;
159 }
160 }
161 kumpf 1.1.4.2
162 /* Not found! */
163 fclose(is);
164 return -1;
165 }
166
167 /*
168 **==============================================================================
169 **
170 ** GetConfigParam()
171 **
172 ** Attempt to find a configuration setting for the given name. First,
173 ** search the command line and then the config file.
174 **
175 **==============================================================================
176 */
177
178 int GetConfigParam(
179 const char* name,
180 char value[EXECUTOR_BUFFER_SIZE])
181 {
182 kumpf 1.1.4.2 char path[EXECUTOR_BUFFER_SIZE];
183 size_t i;
184
185 /* (1) First check command line. */
186
187 if (GetConfigParamFromCommandLine(name, value) == 0)
188 return 0;
189
190 /* (2) Next check planned config file. */
191
192 if (GetHomedPath(PEGASUS_PLANNED_CONFIG_FILE_PATH, path) == 0 &&
193 GetConfigParamFromFile(path, name, value) == 0)
194 return 0;
195
196 /* (3) Finally check the default configuration table. */
197
198 for (i = 0; i < _configSize; i++)
199 {
200 if (strcmp(_config[i].name, name) == 0)
201 {
202 Strlcpy(value, _config[i].value, EXECUTOR_BUFFER_SIZE);
203 kumpf 1.1.4.2 return 0;
204 }
205 }
206
207 /* Not found! */
208 return -1;
209 }
|
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Config.c
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