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comparison mcabber/mcabber/utils.c @ 1674:f02e7076ccec

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Use option guards for tracelog
author Myhailo Danylenko <isbear@ukrpost.net>
date Mon, 18 Jan 2010 17:49:30 +0200
parents 41c26b7d2890
children e6e89b1d7831
comparison
equal deleted inserted replaced
1673:552da310b83e 1674:f02e7076ccec
25 25
26 #include <stdio.h> 26 #include <stdio.h>
27 #include <stdlib.h> 27 #include <stdlib.h>
28 #include <string.h> 28 #include <string.h>
29 #include <stdarg.h> 29 #include <stdarg.h>
30 #include <errno.h>
30 31
31 #ifdef HAVE_LIBIDN 32 #ifdef HAVE_LIBIDN
32 #include <idna.h> 33 #include <idna.h>
33 #include <stringprep.h> 34 #include <stringprep.h>
34 static char idnprep[1024]; 35 static char idnprep[1024];
48 #include <sys/stat.h> 49 #include <sys/stat.h>
49 #include <ctype.h> 50 #include <ctype.h>
50 51
51 #include "utils.h" 52 #include "utils.h"
52 #include "logprint.h" 53 #include "logprint.h"
54 #include "settings.h"
53 55
54 static int DebugEnabled; 56 static int DebugEnabled;
55 static char *FName; 57 static char *FName;
56 58
57 // jidtodisp(jid) 59 // jidtodisp(jid)
151 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3) 153 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3)
152 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16); 154 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16);
153 return TRUE; 155 return TRUE;
154 } 156 }
155 157
156 void ut_InitDebug(int level, const char *filename) 158 static gboolean tracelog_create(void)
157 { 159 {
158 FILE *fp; 160 FILE *fp;
159 struct stat buf; 161 struct stat buf;
160 int err; 162 int err;
161 163
162 if (level < 1) {
163 DebugEnabled = 0;
164 FName = NULL;
165 return;
166 }
167
168 if (filename)
169 FName = expand_filename(filename);
170 else {
171 FName = getenv("HOME");
172 if (!FName)
173 FName = g_strdup("/tmp/mcabberlog");
174 else {
175 FName = g_strdup_printf("%s/mcabberlog", FName);
176 }
177 }
178
179 DebugEnabled = level;
180
181 fp = fopen(FName, "a"); 164 fp = fopen(FName, "a");
182 if (!fp) { 165 if (!fp) {
183 fprintf(stderr, "ERROR: Cannot open tracelog file\n"); 166 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s!",
184 return; 167 strerror(errno));
168 return FALSE;
185 } 169 }
186 170
187 err = fstat(fileno(fp), &buf); 171 err = fstat(fileno(fp), &buf);
188 if (err || buf.st_uid != geteuid()) { 172 if (err || buf.st_uid != geteuid()) {
189 fclose(fp); 173 fclose(fp);
174 if (err)
175 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s!",
176 strerror(errno));
177 else
178 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!");
179 return FALSE;
180 }
181 fchmod(fileno(fp), S_IRUSR|S_IWUSR);
182
183 fputs("New trace log started.\n----------------------\n", fp);
184 fclose(fp);
185
186 return TRUE;
187 }
188
189 static gchar *tracelog_level_guard(const gchar *key, const gchar *new_value)
190 {
191 int new_level = 0;
192 if (new_value)
193 new_level = atoi(new_value);
194 if (DebugEnabled < 1 && new_level > 0 && FName && !tracelog_create())
190 DebugEnabled = 0; 195 DebugEnabled = 0;
191 FName = NULL; 196 else
192 if (err) { 197 DebugEnabled = new_level;
193 fprintf(stderr, "ERROR: cannot stat the tracelog file!\n"); 198 return g_strdup(new_value);
194 } else { 199 }
195 fprintf(stderr, "ERROR: tracelog file does not belong to you!\n"); 200
196 } 201 static gchar *tracelog_file_guard(const gchar *key, const gchar *new_value)
197 return; 202 {
198 } 203 gchar *new_fname = NULL;
199 fchmod(fileno(fp), S_IRUSR|S_IWUSR); 204
200 205 if (new_value)
201 fprintf(fp, "New trace log started.\n----------------------\n"); 206 new_fname = expand_filename(new_value);
202 fclose(fp); 207
208 if (g_strcmp0(FName, new_fname)) {
209 g_free(FName);
210 FName = new_fname;
211 if (DebugEnabled > 0 && !tracelog_create()) {
212 g_free(FName);
213 FName = NULL;
214 }
215 } else
216 g_free(new_fname);
217
218 return g_strdup(new_value);
219 }
220
221 // ut_InitDebug()
222 // Installs otpion guards before initial config file parsing.
223 void ut_InitDebug(void)
224 {
225 DebugEnabled = 0;
226 FName = NULL;
227 settings_set_guard("tracelog_level", tracelog_level_guard);
228 settings_set_guard("tracelog_file", tracelog_file_guard);
203 } 229 }
204 230
205 void ut_WriteLog(unsigned int flag, const char *data) 231 void ut_WriteLog(unsigned int flag, const char *data)
206 { 232 {
207 if (!DebugEnabled || !FName) return; 233 if (!DebugEnabled || !FName) return;
208 234
209 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || 235 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) ||
210 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { 236 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) {
211 FILE *fp = fopen(FName, "a+"); 237 FILE *fp = fopen(FName, "a+");
212 if (!fp) { 238 if (!fp) {
213 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file"); 239 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.",
240 strerror(errno));
214 return; 241 return;
215 } 242 }
216 if (fputs(data, fp) == EOF) 243 if (fputs(data, fp) == EOF)
217 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file"); 244 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file.");
218 fclose(fp); 245 fclose(fp);
219 } 246 }
220 } 247 }
221 248
222 // checkset_perm(name, setmode) 249 // checkset_perm(name, setmode)