Commit | Line | Data |
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805e021f CE |
1 | /* |
2 | * $Locker$ | |
3 | * | |
4 | * Copyright 1987 by the Student Information Processing Board | |
5 | * of the Massachusetts Institute of Technology | |
6 | * | |
7 | * For copyright info, see "mit-sipb-cr.h". | |
8 | */ | |
9 | ||
10 | #include <afsconfig.h> | |
11 | #include <afs/param.h> | |
12 | ||
13 | #include <roken.h> | |
14 | ||
15 | #ifdef HAVE_LIBINTL | |
16 | #include <libintl.h> | |
17 | #endif | |
18 | #ifdef AFS_DARWIN_ENV | |
19 | #include <CoreFoundation/CoreFoundation.h> | |
20 | #endif | |
21 | ||
22 | #include <afs/opr.h> | |
23 | #include <afs/errors.h> | |
24 | #include <afs/afsutil.h> | |
25 | ||
26 | #include "internal.h" | |
27 | #include "error_table.h" | |
28 | #include "mit-sipb-cr.h" | |
29 | #include "com_err.h" | |
30 | ||
31 | static char buffer[64]; | |
32 | ||
33 | static struct et_list *_et_list = NULL; | |
34 | ||
35 | #ifdef AFS_PTHREAD_ENV | |
36 | #include <pthread.h> | |
37 | #include <assert.h> | |
38 | ||
39 | /* | |
40 | * This mutex protects the following variables: | |
41 | * _et_list | |
42 | */ | |
43 | ||
44 | static pthread_mutex_t et_list_mutex; | |
45 | static int et_list_done = 0; | |
46 | static pthread_once_t et_list_once = PTHREAD_ONCE_INIT; | |
47 | ||
48 | /* | |
49 | * Function to initialize the et_list_mutex | |
50 | */ | |
51 | ||
52 | static void | |
53 | et_mutex_once(void) | |
54 | { | |
55 | opr_Verify(!pthread_mutex_init(&et_list_mutex, NULL)); | |
56 | et_list_done = 1; | |
57 | } | |
58 | ||
59 | #define LOCK_ET_LIST \ | |
60 | do { \ | |
61 | if (!et_list_done) \ | |
62 | pthread_once(&et_list_once, et_mutex_once); \ | |
63 | opr_Verify(pthread_mutex_lock(&et_list_mutex)==0); \ | |
64 | } while (0) | |
65 | #define UNLOCK_ET_LIST opr_Verify(pthread_mutex_unlock(&et_list_mutex)==0) | |
66 | #else | |
67 | #define LOCK_ET_LIST | |
68 | #define UNLOCK_ET_LIST | |
69 | #endif /* AFS_PTHREAD_ENV */ | |
70 | ||
71 | ||
72 | static char *vmsgs[] = { | |
73 | "volume needs to be salvaged", /* 101, in Pittsburghese */ | |
74 | "no such entry (vnode)", /* 102 */ | |
75 | "volume does not exist / did not salvage", /* 103 */ | |
76 | "volume already exists", /* 104 */ | |
77 | "volume out of service", /* 105 */ | |
78 | "volume offline (utility running)", /* 106 */ | |
79 | "volume already online", /* 107 */ | |
80 | "unknown volume error 108", /* 108 */ | |
81 | "unknown volume error 109", /* 109 */ | |
82 | "volume temporarily busy", /* 110 */ | |
83 | "volume moved", /* 111 */ | |
84 | (char *)0 | |
85 | }; | |
86 | ||
87 | static char * | |
88 | negative_message(int code) | |
89 | { | |
90 | if (code == -1) | |
91 | return "server or network not responding"; | |
92 | else if (code == -2) | |
93 | return "invalid RPC (RX) operation"; | |
94 | else if (code == -3) | |
95 | return "server not responding promptly"; | |
96 | else if (code == -7) | |
97 | return "port address already in use"; | |
98 | else if (code <= -450 && code > -500) { | |
99 | sprintf(buffer, "RPC interface mismatch (%d)", code); | |
100 | return buffer; | |
101 | } else { | |
102 | sprintf(buffer, "unknown RPC error (%d)", code); | |
103 | return buffer; | |
104 | } | |
105 | } | |
106 | ||
107 | static char * | |
108 | volume_message(int code) | |
109 | { | |
110 | if (code >= 101 && code <= 111) | |
111 | return vmsgs[code - 101]; | |
112 | else | |
113 | return "unknown volume error"; | |
114 | } | |
115 | ||
116 | #ifdef AFS_DARWIN_ENV | |
117 | static_inline const char * | |
118 | _intlize(const char *msg, int base, char *str, size_t len) | |
119 | { | |
120 | char domain[12 +20]; | |
121 | CFStringRef cfstring = CFStringCreateWithCString(kCFAllocatorSystemDefault, | |
122 | msg, | |
123 | kCFStringEncodingUTF8); | |
124 | CFStringRef cfdomain; | |
125 | CFBundleRef OpenAFSBundle = CFBundleGetBundleWithIdentifier(CFSTR("org.openafs.filesystems.afs")); | |
126 | ||
127 | if (!str) { | |
128 | CFRelease(cfstring); | |
129 | return msg; | |
130 | } | |
131 | ||
132 | snprintf(domain, sizeof(domain), "heim_com_err%d", base); | |
133 | cfdomain = CFStringCreateWithCString(kCFAllocatorSystemDefault, domain, | |
134 | kCFStringEncodingUTF8); | |
135 | if (OpenAFSBundle != NULL) { | |
136 | CFStringRef cflocal; | |
137 | ||
138 | cflocal = CFBundleCopyLocalizedString(OpenAFSBundle, cfstring, | |
139 | cfstring, cfdomain); | |
140 | CFStringGetCString(cflocal, str, len, kCFStringEncodingUTF8); | |
141 | CFRelease(cflocal); | |
142 | } else { | |
143 | CFStringGetCString(cfstring, str, len, kCFStringEncodingUTF8); | |
144 | } | |
145 | ||
146 | CFRelease(cfstring); | |
147 | CFRelease(cfdomain); | |
148 | return str; | |
149 | } | |
150 | #else | |
151 | static_inline const char * | |
152 | _intlize(const char *msg, int base, char *str, size_t len) | |
153 | { | |
154 | #if defined(HAVE_LIBINTL) | |
155 | char domain[12 +20]; | |
156 | #endif | |
157 | if (!str) | |
158 | return msg; | |
159 | #if defined(HAVE_LIBINTL) | |
160 | snprintf(domain, sizeof(domain), "heim_com_err%d", base); | |
161 | strlcpy(str, dgettext(domain, msg), len); | |
162 | #else | |
163 | strlcpy(str, msg, len); | |
164 | #endif | |
165 | return str; | |
166 | } | |
167 | #endif | |
168 | ||
169 | static const char * | |
170 | afs_error_message_int(struct et_list *list, afs_int32 code, char *str, size_t len) | |
171 | { | |
172 | int offset; | |
173 | struct et_list *et; | |
174 | int table_num, unlock = 0; | |
175 | int started = 0; | |
176 | char *cp; | |
177 | const char *err_msg; | |
178 | ||
179 | /* check for rpc errors first */ | |
180 | if (code < 0) | |
181 | return _intlize(negative_message(code), -1, str, len); | |
182 | ||
183 | offset = code & ((1 << ERRCODE_RANGE) - 1); | |
184 | table_num = code - offset; | |
185 | if (!table_num) { | |
186 | if ((err_msg = strerror(offset)) != NULL) | |
187 | return _intlize(err_msg, 0, str, len); | |
188 | else if (offset < 140) | |
189 | return _intlize(volume_message(code), 0, str, len); | |
190 | else | |
191 | goto oops; | |
192 | } | |
193 | if (list) { | |
194 | et = list; | |
195 | } else { | |
196 | LOCK_ET_LIST; | |
197 | unlock = 1; | |
198 | et = _et_list; | |
199 | } | |
200 | for (; et; et = et->next) { | |
201 | if (et->table->base == table_num) { | |
202 | /* This is the right table */ | |
203 | if (et->table->n_msgs <= offset) | |
204 | goto oops; | |
205 | err_msg = _intlize(et->table->msgs[offset], et->table->base, | |
206 | str, len); | |
207 | if (unlock) | |
208 | UNLOCK_ET_LIST; | |
209 | return err_msg; | |
210 | } | |
211 | } | |
212 | oops: | |
213 | if (unlock) | |
214 | UNLOCK_ET_LIST; | |
215 | /* Unknown code can be included in the negative errors catalog */ | |
216 | _intlize("Unknown code ", -1, buffer, sizeof buffer); | |
217 | if (table_num) { | |
218 | strlcat(buffer, afs_error_table_name(table_num), sizeof buffer); | |
219 | strlcat(buffer, " ", sizeof buffer); | |
220 | } | |
221 | for (cp = buffer; *cp; cp++); | |
222 | if (offset >= 100) { | |
223 | *cp++ = '0' + offset / 100; | |
224 | offset %= 100; | |
225 | started++; | |
226 | } | |
227 | if (started || offset >= 10) { | |
228 | *cp++ = '0' + offset / 10; | |
229 | offset %= 10; | |
230 | } | |
231 | *cp++ = '0' + offset; | |
232 | if (code > -10000) | |
233 | sprintf(cp, " (%d)", code); | |
234 | else | |
235 | *cp = '\0'; | |
236 | return (buffer); | |
237 | } | |
238 | ||
239 | const char * | |
240 | afs_error_message_localize(afs_int32 code, char *str, size_t len) | |
241 | { | |
242 | return afs_error_message_int((struct et_list *)0, code, str, len); | |
243 | } | |
244 | ||
245 | const char * | |
246 | afs_com_right_r(struct et_list *list, long code, char *str, size_t len) | |
247 | { | |
248 | return afs_error_message_int(list, (afs_int32)code, str, len); | |
249 | } | |
250 | ||
251 | const char * | |
252 | afs_com_right(struct et_list *list, long code) | |
253 | { | |
254 | return afs_error_message_int(list, (afs_int32)code, (char *)0, 0); | |
255 | } | |
256 | ||
257 | const char * | |
258 | afs_error_message(afs_int32 code) | |
259 | { | |
260 | return afs_error_message_int((struct et_list *)0, code, (char *)0, 0); | |
261 | } | |
262 | ||
263 | void | |
264 | afs_add_to_error_table(struct et_list *new_table) | |
265 | { | |
266 | struct et_list *et; | |
267 | ||
268 | LOCK_ET_LIST; | |
269 | /* | |
270 | * Protect against adding the same error table twice | |
271 | */ | |
272 | for (et = _et_list; et; et = et->next) { | |
273 | if (et->table->base == new_table->table->base) { | |
274 | UNLOCK_ET_LIST; | |
275 | return; | |
276 | } | |
277 | } | |
278 | ||
279 | new_table->next = _et_list; | |
280 | _et_list = new_table; | |
281 | UNLOCK_ET_LIST; | |
282 | } |