Mercurial > hg
annotate mcabber/src/histolog.c @ 1108:a0e9eaa9f5b4
Fix small memory leak in hk_message_in()
author | Mikael Berthe <mikael@lilotux.net> |
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date | Thu, 14 Dec 2006 22:32:03 +0100 |
parents | 8e12137fab20 |
children | 5be2408a6534 |
rev | line source |
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110 | 1 /* |
699 | 2 * histolog.c -- File history handling |
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3 * |
699 | 4 * Copyright (C) 2005, 2006 Mikael Berthe <bmikael@lists.lilotux.net> |
110 | 5 * |
6 * This program is free software; you can redistribute it and/or modify | |
7 * it under the terms of the GNU General Public License as published by | |
8 * the Free Software Foundation; either version 2 of the License, or (at | |
9 * your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU General Public License | |
17 * along with this program; if not, write to the Free Software | |
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
19 * USA | |
20 */ | |
21 | |
22 #include <string.h> | |
23 #include <stdlib.h> | |
24 #include <time.h> | |
113 | 25 #include <ctype.h> |
26 #include <sys/types.h> | |
27 #include <sys/stat.h> | |
28 #include <fcntl.h> | |
110 | 29 |
30 #include "histolog.h" | |
178 | 31 #include "hbuf.h" |
113 | 32 #include "jabglue.h" |
241 | 33 #include "utils.h" |
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34 #include "logprint.h" |
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35 #include "settings.h" |
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36 #include "utils.h" |
110 | 37 |
38 static guint UseFileLogging; | |
177 | 39 static guint FileLoadLogs; |
110 | 40 static char *RootDir; |
41 | |
42 | |
1058 | 43 // user_histo_file(jid) |
110 | 44 // Returns history filename for the given jid |
45 // Note: the caller *must* free the filename after use (if not null). | |
1058 | 46 static char *user_histo_file(const char *bjid) |
110 | 47 { |
48 char *filename; | |
1106 | 49 char *lowerid; |
50 | |
51 if (!(UseFileLogging || FileLoadLogs)) | |
52 return NULL; | |
110 | 53 |
1058 | 54 lowerid = g_strdup(bjid); |
1106 | 55 if (!lowerid) |
56 return NULL; | |
57 mc_strtolower(lowerid); | |
186 | 58 |
1106 | 59 filename = g_strdup_printf("%s%s", RootDir, lowerid); |
186 | 60 g_free(lowerid); |
110 | 61 return filename; |
62 } | |
63 | |
178 | 64 // write_histo_line() |
110 | 65 // Adds a history (multi-)line to the jid's history logfile |
1058 | 66 static void write_histo_line(const char *bjid, |
113 | 67 time_t timestamp, guchar type, guchar info, const char *data) |
110 | 68 { |
69 guint len = 0; | |
113 | 70 FILE *fp; |
110 | 71 time_t ts; |
113 | 72 const char *p; |
178 | 73 char *filename; |
241 | 74 char str_ts[20]; |
273 | 75 int err; |
110 | 76 |
1106 | 77 if (!UseFileLogging) |
78 return; | |
178 | 79 |
1058 | 80 filename = user_histo_file(bjid); |
110 | 81 |
82 // If timestamp is null, get current date | |
83 if (timestamp) | |
84 ts = timestamp; | |
85 else | |
86 time(&ts); | |
87 | |
88 if (!data) | |
89 data = ""; | |
90 | |
91 // Count number of extra lines | |
92 for (p=data ; *p ; p++) | |
93 if (*p == '\n') len++; | |
94 | |
241 | 95 /* Line format: "TI yyyymmddThh:mm:ssZ [data]" |
96 * (Old format: "TI DDDDDDDDDD LLL [data])" | |
97 * T=Type, I=Info, yyyymmddThh:mm:ssZ=date, LLL=0-padded-len | |
110 | 98 * |
99 * Types: | |
100 * - M message Info: S (send) R (receive) | |
352 | 101 * - S status Info: [_oifdna] |
110 | 102 * We don't check them, we'll trust the caller. |
103 */ | |
104 | |
113 | 105 fp = fopen(filename, "a"); |
155 | 106 g_free(filename); |
273 | 107 if (!fp) { |
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108 scr_LogPrint(LPRINT_LOGNORM, "Unable to write history " |
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109 "(cannot open logfile)"); |
273 | 110 return; |
111 } | |
178 | 112 |
241 | 113 to_iso8601(str_ts, ts); |
273 | 114 err = fprintf(fp, "%c%c %-18.18s %03d %s\n", type, info, str_ts, len, data); |
113 | 115 fclose(fp); |
273 | 116 if (err < 0) { |
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117 scr_LogPrint(LPRINT_LOGNORM, "Error while writing to log file: %s", |
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118 strerror(errno)); |
273 | 119 } |
110 | 120 } |
121 | |
178 | 122 // hlog_read_history() |
123 // Reads the jid's history logfile | |
1058 | 124 void hlog_read_history(const char *bjid, GList **p_buddyhbuf, guint width) |
178 | 125 { |
126 char *filename; | |
127 guchar type, info; | |
128 char *data, *tail; | |
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129 char *xtext; |
184 | 130 time_t timestamp; |
131 guint prefix_flags; | |
178 | 132 guint len; |
133 FILE *fp; | |
197 | 134 struct stat bufstat; |
193 | 135 guint err = 0; |
248 | 136 guint ln = 0; // line number |
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137 time_t starttime; |
178 | 138 |
1106 | 139 if (!FileLoadLogs) |
140 return; | |
178 | 141 |
1058 | 142 if ((roster_gettype(bjid) & ROSTER_TYPE_ROOM) && |
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143 (settings_opt_get_int("load_muc_logs") != 1)) |
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144 return; |
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145 |
178 | 146 data = g_new(char, HBB_BLOCKSIZE+32); |
147 if (!data) { | |
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148 scr_LogPrint(LPRINT_LOGNORM, "Not enough memory to read history file"); |
178 | 149 return; |
150 } | |
151 | |
1058 | 152 filename = user_histo_file(bjid); |
178 | 153 |
154 fp = fopen(filename, "r"); | |
155 g_free(filename); | |
1106 | 156 if (!fp) { |
157 g_free(data); | |
158 return; | |
159 } | |
178 | 160 |
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161 // If file is large (> 3MB here), display a message to inform the user |
197 | 162 // (it can take a while...) |
163 if (!fstat(fileno(fp), &bufstat)) { | |
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164 if (bufstat.st_size > 3145728) |
1058 | 165 scr_LogPrint(LPRINT_LOGNORM, "Reading <%s> history file...", bjid); |
197 | 166 } |
167 | |
1106 | 168 starttime = 0L; |
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169 if (settings_opt_get_int("max_history_age") > 0) { |
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170 int maxdays = settings_opt_get_int("max_history_age"); |
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171 time(&starttime); |
1106 | 172 if (maxdays >= starttime/86400L) |
173 starttime = 0L; | |
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174 else |
1106 | 175 starttime -= maxdays * 86400L; |
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176 } |
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177 |
178 | 178 /* See write_histo_line() for line format... */ |
179 while (!feof(fp)) { | |
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180 guint dataoffset = 25; |
1106 | 181 |
182 if (fgets(data, HBB_BLOCKSIZE+27, fp) == NULL) | |
183 break; | |
248 | 184 ln++; |
178 | 185 |
186 for (tail = data; *tail; tail++) ; | |
187 | |
188 type = data[0]; | |
189 info = data[1]; | |
241 | 190 |
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191 if ((type != 'M' && type != 'S') || |
259 | 192 ((data[11] != 'T') || (data[20] != 'Z') || |
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193 (data[21] != ' ') || |
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194 (data[25] != ' ' && data[26] != ' '))) { |
193 | 195 if (!err) { |
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196 scr_LogPrint(LPRINT_LOGNORM, |
1058 | 197 "Error in history file format (%s), l.%u", bjid, ln); |
193 | 198 err = 1; |
199 } | |
186 | 200 continue; |
178 | 201 } |
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202 // The number of lines can be written with 3 or 4 bytes. |
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203 if (data[25] != ' ') dataoffset = 26; |
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204 data[21] = data[dataoffset] = 0; |
259 | 205 timestamp = from_iso8601(&data[3], 1); |
206 len = (guint) atoi(&data[22]); | |
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207 |
178 | 208 // Some checks |
209 if (((type == 'M') && (info != 'S' && info != 'R')) || | |
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210 ((type == 'I') && (!strchr("OAIFDN", info)))) { |
193 | 211 if (!err) { |
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212 scr_LogPrint(LPRINT_LOGNORM, "Error in history file format (%s), l.%u", |
1058 | 213 bjid, ln); |
193 | 214 err = 1; |
215 } | |
186 | 216 continue; |
178 | 217 } |
218 | |
197 | 219 // XXX This will fail when a message is too big |
178 | 220 while (len--) { |
248 | 221 ln++; |
259 | 222 if (fgets(tail, HBB_BLOCKSIZE+27 - (tail-data), fp) == NULL) |
249 | 223 break; |
178 | 224 |
225 while (*tail) tail++; | |
226 } | |
248 | 227 // Small check for too long messages |
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228 if (tail >= HBB_BLOCKSIZE+dataoffset+1 + data) { |
249 | 229 // Maybe we will have a parse error on next, because this |
230 // message is big (maybe too big). | |
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231 scr_LogPrint(LPRINT_LOGNORM, "A message could be too big " |
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232 "in history file..."); |
248 | 233 } |
251 | 234 // Remove last CR (we keep it if the line is empty, too) |
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235 if ((tail > data+dataoffset+1) && (*(tail-1) == '\n')) |
178 | 236 *(tail-1) = 0; |
237 | |
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238 // Check if the data is older than max_history_age |
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239 if (starttime) { |
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240 if (timestamp > starttime) |
1106 | 241 starttime = 0L; // From now on, load everything |
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242 else |
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243 continue; |
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244 } |
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245 |
178 | 246 if (type == 'M') { |
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247 char *converted; |
178 | 248 if (info == 'S') |
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249 prefix_flags = HBB_PREFIX_OUT | HBB_PREFIX_HLIGHT; |
178 | 250 else |
184 | 251 prefix_flags = HBB_PREFIX_IN; |
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252 converted = from_utf8(&data[dataoffset+1]); |
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253 if (converted) { |
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254 xtext = ut_expand_tabs(converted); // Expand tabs |
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255 hbuf_add_line(p_buddyhbuf, xtext, timestamp, prefix_flags, width); |
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256 if (xtext != converted) |
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257 g_free(xtext); |
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258 g_free(converted); |
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259 } |
193 | 260 err = 0; |
178 | 261 } |
262 } | |
263 fclose(fp); | |
264 g_free(data); | |
265 } | |
266 | |
110 | 267 // hlog_enable() |
268 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used. | |
177 | 269 // If loadfiles is TRUE, we will try to load buddies history logs from file. |
281
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270 void hlog_enable(guint enable, const char *root_dir, guint loadfiles) |
110 | 271 { |
272 UseFileLogging = enable; | |
177 | 273 FileLoadLogs = loadfiles; |
110 | 274 |
177 | 275 if (enable || loadfiles) { |
110 | 276 if (root_dir) { |
277 int l = strlen(root_dir); | |
278 if (l < 1) { | |
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279 scr_LogPrint(LPRINT_LOGNORM, "Error: logging dir name too short"); |
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280 UseFileLogging = FileLoadLogs = FALSE; |
110 | 281 return; |
282 } | |
283 // RootDir must be slash-terminated | |
284 if (root_dir[l-1] == '/') | |
285 RootDir = g_strdup(root_dir); | |
1106 | 286 else |
287 RootDir = g_strdup_printf("%s/", root_dir); | |
110 | 288 } else { |
289 char *home = getenv("HOME"); | |
1106 | 290 const char *dir = "/.mcabber/histo/"; |
291 RootDir = g_strdup_printf("%s%s", home, dir); | |
110 | 292 } |
362
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293 // Check directory permissions (should not be readable by group/others) |
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294 if (checkset_perm(RootDir, TRUE) == -1) { |
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295 // The directory does not actually exists |
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296 g_free(RootDir); |
1106 | 297 RootDir = NULL; |
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298 scr_LogPrint(LPRINT_LOGNORM, "ERROR: Cannot access " |
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299 "history log directory, logging DISABLED"); |
362
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300 UseFileLogging = FileLoadLogs = FALSE; |
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301 } |
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302 } else { // Disable history logging |
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303 g_free(RootDir); |
1106 | 304 RootDir = NULL; |
110 | 305 } |
306 } | |
307 | |
1058 | 308 inline void hlog_write_message(const char *bjid, time_t timestamp, int sent, |
113 | 309 const char *msg) |
310 { | |
1058 | 311 write_histo_line(bjid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg); |
113 | 312 } |
313 | |
1058 | 314 inline void hlog_write_status(const char *bjid, time_t timestamp, |
221 | 315 enum imstatus status, const char *status_msg) |
113 | 316 { |
317 // #1 XXX Check status value? | |
318 // #2 We could add a user-readable comment | |
1058 | 319 write_histo_line(bjid, timestamp, 'S', toupper(imstatus2char[status]), |
221 | 320 status_msg); |
113 | 321 } |
322 | |
580 | 323 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |