Fri, 04 Jan 2019 20:17:32 +0100
Made a lot of variables local in functions.
0 | 1 | /***************************************************************************** |
2 | * Copyright (C) 2017-2018 | |
3 | * | |
4 | * Michiel Broek <mbroek at mbse dot eu> | |
5 | * | |
6 | * This file is part of the bms (Brewery Management System) | |
7 | * | |
8 | * This is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * bms is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with ThermFerm; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
21 | *****************************************************************************/ | |
22 | ||
23 | #include "bms.h" | |
24 | #include "xutil.h" | |
25 | #include "futil.h" | |
26 | #include "rdconfig.h" | |
27 | ||
28 | ||
29 | static char *mypath; | |
30 | static char *k, *v; | |
31 | static int linecnt = 0; | |
32 | ||
33 | extern int debug; | |
34 | extern char *Private_Path; | |
35 | ||
36 | ||
37 | sys_config Config; | |
38 | ||
39 | ||
40 | static int getstr(char **); | |
41 | static int getint(char **); | |
42 | ||
43 | ||
44 | key_list keytab[] = { | |
45 | {(char *)"bms_name", getstr, (char **)&Config.bms_name}, | |
46 | {(char *)"bms_uuid", getstr, (char **)&Config.bms_uuid}, | |
47 | {(char *)"mysql_host", getstr, (char **)&Config.mysql_host}, | |
48 | {(char *)"mysql_port", getint, (char **)&Config.mysql_port}, | |
49 | {(char *)"mysql_user", getstr, (char **)&Config.mysql_user}, | |
50 | {(char *)"mysql_pass", getstr, (char **)&Config.mysql_pass}, | |
51 | {(char *)"mysql_database", getstr, (char **)&Config.mysql_database}, | |
52 | {(char *)"mqtt_host", getstr, (char **)&Config.mqtt_host}, | |
53 | {(char *)"mqtt_port", getint, (char **)&Config.mqtt_port}, | |
54 | {(char *)"mqtt_user", getstr, (char **)&Config.mqtt_user}, | |
55 | {(char *)"mqtt_pass", getstr, (char **)&Config.mqtt_pass}, | |
56 | {NULL, NULL, NULL} | |
57 | }; | |
58 | ||
59 | ||
60 | ||
61 | /* | |
62 | * Kill configuration data | |
63 | */ | |
64 | void killconfig(void) | |
65 | { | |
66 | if (Config.bms_name) | |
67 | free(Config.bms_name); | |
68 | Config.bms_name = NULL; | |
69 | if (Config.bms_uuid) | |
70 | free(Config.bms_uuid); | |
71 | Config.bms_uuid = NULL; | |
72 | ||
73 | if (Config.mysql_host) | |
74 | free(Config.mysql_host); | |
75 | Config.mysql_host = NULL; | |
76 | Config.mysql_port = 3306; | |
77 | if (Config.mysql_user) | |
78 | free(Config.mysql_user); | |
79 | Config.mysql_user = NULL; | |
80 | if (Config.mysql_pass) | |
81 | free(Config.mysql_pass); | |
82 | Config.mysql_pass = NULL; | |
83 | if (Config.mysql_database) | |
84 | free(Config.mysql_database); | |
85 | Config.mysql_database = NULL; | |
86 | ||
87 | if (Config.mqtt_host) | |
88 | free(Config.mqtt_host); | |
89 | Config.mqtt_host = NULL; | |
90 | Config.mqtt_port = 1883; | |
91 | if (Config.mqtt_user) | |
92 | free(Config.mqtt_user); | |
93 | Config.mqtt_user = NULL; | |
94 | if (Config.mqtt_pass) | |
95 | free(Config.mqtt_pass); | |
96 | Config.mqtt_pass = NULL; | |
97 | } | |
98 | ||
99 | ||
100 | ||
101 | int wrconfig(void) | |
102 | { | |
103 | FILE *fp; | |
104 | ||
105 | if (mypath) | |
106 | free(mypath); | |
107 | mypath = xstrcpy(Private_Path); | |
108 | mypath = xstrcat(mypath, (char *)"/bms.config"); | |
109 | if (mkdirs(mypath, 0755) == FALSE) | |
110 | return 1; | |
111 | ||
112 | if ((fp = fopen(mypath, "w")) == NULL) { | |
113 | syslog(LOG_NOTICE, "[rdconfig] could not rewrite %s", mypath); | |
114 | return 1; | |
115 | } | |
116 | ||
117 | fprintf(fp, "# Configuration file for BMS %s\n", VERSION); | |
118 | fprintf(fp, "#\n"); | |
119 | if (Config.bms_name) | |
120 | fprintf(fp, "bms_name %s\n", Config.bms_name); | |
121 | if (Config.bms_uuid) | |
122 | fprintf(fp, "bms_uuid %s\n", Config.bms_uuid); | |
123 | fprintf(fp, "#\n"); | |
124 | ||
125 | if (Config.mysql_host) | |
126 | fprintf(fp, "mysql_host %s\n", Config.mysql_host); | |
127 | fprintf(fp, "mysql_port %d\n", Config.mysql_port); | |
128 | if (Config.mysql_user) | |
129 | fprintf(fp, "mysql_user %s\n", Config.mysql_user); | |
130 | else | |
131 | fprintf(fp, "#mysql_user <username>\n"); | |
132 | if (Config.mysql_pass) | |
133 | fprintf(fp, "mysql_pass %s\n", Config.mysql_pass); | |
134 | else | |
135 | fprintf(fp, "#mysql_pass <passwd>\n"); | |
136 | if (Config.mysql_database) | |
137 | fprintf(fp, "mysql_database %s\n", Config.mysql_database); | |
138 | else | |
139 | fprintf(fp, "#mysql_database <dbname>\n"); | |
140 | fprintf(fp, "#\n"); | |
141 | ||
142 | if (Config.mqtt_host) | |
143 | fprintf(fp, "mqtt_host %s\n", Config.mqtt_host); | |
144 | fprintf(fp, "mqtt_port %d\n", Config.mqtt_port); | |
145 | if (Config.mqtt_user) | |
146 | fprintf(fp, "mqtt_user %s\n", Config.mqtt_user); | |
147 | else | |
148 | fprintf(fp, "#mqtt_user <username>\n"); | |
149 | if (Config.mqtt_pass) | |
150 | fprintf(fp, "mqtt_pass %s\n", Config.mqtt_pass); | |
151 | else | |
152 | fprintf(fp, "#mqtt_pwd <passwd>\n"); | |
153 | ||
154 | fprintf(fp, "#\n"); | |
155 | fprintf(fp, "# End of generated configuration\n"); | |
156 | fclose(fp); | |
157 | free(mypath); | |
158 | mypath = NULL; | |
159 | return 0; | |
160 | } | |
161 | ||
162 | ||
163 | ||
164 | int rdconfig(void) | |
165 | { | |
166 | FILE *fp; | |
167 | uuid_t uu; | |
168 | char buf[256], *p; | |
169 | int i, rc = 0; | |
170 | ||
171 | if (mypath) | |
172 | free(mypath); | |
173 | mypath = xstrcpy(Private_Path); | |
174 | mypath = xstrcat(mypath, (char *)"/bms.config"); | |
175 | ||
176 | killconfig(); | |
177 | ||
178 | if (debug) | |
179 | fprintf(stdout, "[rdconfig] reading %s\n", mypath); | |
180 | ||
181 | if ((fp = fopen(mypath, "r")) == NULL) { | |
182 | syslog(LOG_NOTICE, "[rdconfig] cannot open %s", mypath); | |
183 | Config.bms_name = xstrcpy((char *)"My Brewery"); | |
184 | Config.bms_uuid = malloc(37); | |
185 | uuid_generate(uu); | |
186 | uuid_unparse(uu, Config.bms_uuid); | |
187 | Config.mysql_port = 3306; | |
188 | Config.mysql_host = xstrcpy((char *)"localhost"); | |
189 | Config.mqtt_port = 1883; | |
190 | Config.mqtt_host = xstrcpy((char *)"localhost"); | |
191 | return wrconfig(); | |
192 | } | |
193 | ||
194 | linecnt = 0; | |
195 | while (fgets(buf, sizeof(buf) -1, fp)) { | |
196 | linecnt++; | |
197 | if (*(p = buf + strlen(buf) -1) != '\n') { | |
198 | syslog(LOG_NOTICE, "[rdconfig] %s(%d): \"%s\" - line too long", mypath, linecnt, buf); | |
199 | rc = 1; | |
200 | break; | |
201 | } | |
202 | *p-- = '\0'; | |
203 | while ((p >= buf) && isspace(*p)) | |
204 | *p-- = '\0'; | |
205 | k = buf; | |
206 | while (*k && isspace(*k)) | |
207 | k++; | |
208 | p = k; | |
209 | while (*p && !isspace(*p)) | |
210 | p++; | |
211 | *p++='\0'; | |
212 | v = p; | |
213 | while (*v && isspace(*v)) | |
214 | v++; | |
215 | ||
216 | if ((*k == '\0') || (*k == '#')) { | |
217 | continue; | |
218 | } | |
219 | ||
220 | for (i = 0; keytab[i].key; i++) | |
221 | if (strcasecmp(k,keytab[i].key) == 0) | |
222 | break; | |
223 | ||
224 | if (keytab[i].key == NULL) { | |
225 | syslog(LOG_NOTICE, "[rdconfig] %s(%d): %s %s - unknown keyword", mypath, linecnt, S(k), S(v)); | |
226 | rc = 1; | |
227 | break; | |
228 | } else if ((keytab[i].prc(keytab[i].dest))) { | |
229 | rc = 1; | |
230 | break; | |
231 | } | |
232 | } | |
233 | fclose(fp); | |
234 | ||
235 | free(mypath); | |
236 | mypath = NULL; | |
237 | ||
238 | return rc; | |
239 | } | |
240 | ||
241 | ||
242 | ||
243 | static int getstr(char **dest) | |
244 | { | |
245 | if (debug) | |
246 | fprintf(stdout, "[rdconfig] getstr: %s(%d): %s %s\n", mypath, linecnt, S(k), S(v)); | |
247 | ||
248 | *dest = xstrcpy(v); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | ||
253 | ||
254 | static int getint(char **dest) | |
255 | { | |
256 | if (debug) | |
257 | fprintf(stdout, "[rdconfig] getint: %s(%d): %s %s\n", mypath, linecnt, k, v); | |
258 | ||
259 | if (strspn(v,"0123456789") != strlen(v)) | |
260 | syslog(LOG_NOTICE, "[rdconfig] %s(%d): %s %s - bad numeric", mypath, linecnt, S(k), S(v)); | |
261 | else | |
262 | *((int*)dest)=atoi(v); | |
263 | return 0; | |
264 | } | |
265 | ||
266 | ||
267 |