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comparison mcabber/mcabber/utils.c @ 2135:361603828d9e

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Set the trace log file permissions again when we write to it If the log file is recreated (e.g. log rotation) the new file will have correct permissions.
author Mikael Berthe <mikael@lilotux.net>
date Sun, 06 Jul 2014 10:20:30 +0200
parents fc7a758ebbde
children 87244845fd9c
comparison
equal deleted inserted replaced
2134:fc7a758ebbde 2135:361603828d9e
185 int err; 185 int err;
186 char *v; 186 char *v;
187 187
188 fp = fopen(FName, "a"); 188 fp = fopen(FName, "a");
189 if (!fp) { 189 if (!fp) {
190 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s!", 190 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s",
191 strerror(errno)); 191 strerror(errno));
192 return FALSE; 192 return FALSE;
193 } 193 }
194 194
195 err = fstat(fileno(fp), &buf); 195 err = fstat(fileno(fp), &buf);
196 if (err || buf.st_uid != geteuid()) { 196 if (err || buf.st_uid != geteuid()) {
197 fclose(fp); 197 fclose(fp);
198 if (err) 198 if (err)
199 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s!", 199 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s",
200 strerror(errno)); 200 strerror(errno));
201 else 201 else
202 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!"); 202 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!");
203 return FALSE; 203 return FALSE;
204 } 204 }
205 fchmod(fileno(fp), S_IRUSR|S_IWUSR); 205
206 if (fchmod(fileno(fp), S_IRUSR|S_IWUSR)) {
207 scr_LogPrint(LPRINT_NORMAL, "WARNING: Cannot set tracelog file permissions: %s",
208 strerror(errno));
209 }
206 210
207 v = mcabber_version(); 211 v = mcabber_version();
208 fprintf(fp, "New trace log started. MCabber version %s\n" 212 fprintf(fp, "New trace log started. MCabber version %s\n"
209 "----------------------\n", v); 213 "----------------------\n", v);
210 g_free(v); 214 g_free(v);
266 if (!fp) { 270 if (!fp) {
267 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.", 271 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.",
268 strerror(errno)); 272 strerror(errno));
269 return; 273 return;
270 } 274 }
275
276 // Check file permissions again (it could be a new file)
277 fchmod(fileno(fp), S_IRUSR|S_IWUSR);
278
271 if (fputs(data, fp) == EOF) 279 if (fputs(data, fp) == EOF)
272 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file."); 280 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file.");
273 fclose(fp); 281 fclose(fp);
274 } 282 }
275 } 283 }