1 /*************************************************
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
6 /* Copyright (c) The Exim Maintainers 2020 - 2021 */
7 /* See the file NOTICE for conditions of use and distribution. */
8 /* SPDX-License-Identifier: GPL-2.0-or-later */
10 /* This module contains code to initialize things from the
11 environment and the arguments. */
18 /*************************************************
19 * Decode stripchart config *
20 *************************************************/
22 /* First determine how many are requested, then compile the
23 regular expressions and save the title strings. Note that
24 stripchart_number is initialized to 1 or 2 to count the always-
25 present queue stripchart, and the optional size-monitoring
28 static void decode_stripchart_config(uschar *s)
32 /* Loop: first time just counts, second time does the
35 for (i = 0; i <= 1; i++)
41 if (*p == '/') p++; /* allow optional / at start */
43 /* This loops for all the substrings, using the first flag
44 to determine whether each is the first or second of the pairs. */
49 /* Handle continuations */
52 while (*(++p) == ' ' || *p == '\t');
56 /* Find the end of the string and count if first string */
59 while (*p && *p != '/') p++;
62 /* Take action on the second time round. */
67 int indx = count + stripchart_varstart - 1;
68 Ustrncpy(buffer, pp, p-pp);
75 if (!(stripchart_regex[indx] =
76 pcre2_compile((PCRE2_SPTR)buffer,
77 PCRE2_ZERO_TERMINATED, PCRE_COPT,
78 &err, &offset, NULL)))
81 pcre2_get_error_message(err, errbuf, sizeof(errbuf));
82 printf("regular expression error: %s at offset %ld "
83 "while compiling %s\n", errbuf, (long)offset, buffer);
87 else stripchart_title[indx] = string_copy(buffer);
90 /* Advance past the delimiter and flip the first/second flag */
96 /* On the first pass, we now know the number of stripcharts. Get
97 store for holding the pointers to the regular expressions and
102 stripchart_number += count;
103 stripchart_regex = (pcre2_code **)store_malloc(stripchart_number * sizeof(pcre2_code *));
104 stripchart_title = (uschar **)store_malloc(stripchart_number * sizeof(uschar *));
110 /*************************************************
112 *************************************************/
114 void init(int argc, uschar **argv)
120 argc = argc; /* These are currently unused. */
123 /* Deal with simple values in the environment. */
125 if ((s = US getenv("ACTION_OUTPUT")))
127 if (Ustrcmp(s, "no") == 0) action_output = FALSE;
128 if (Ustrcmp(s, "yes") == 0) action_output = TRUE;
131 if ((s = US getenv("ACTION_QUEUE_UPDATE")))
133 if (Ustrcmp(s, "no") == 0) action_queue_update = FALSE;
134 if (Ustrcmp(s, "yes") == 0) action_queue_update = TRUE;
137 s = US getenv("BODY_MAX");
138 if (s && (x = Uatoi(s)) != 0) body_max = x;
140 if ((s = US getenv("EXIM_PATH")))
141 exim_path = string_copy(s);
143 if ((s = US getenv("EXIMON_EXIM_CONFIG")))
144 alternate_config = string_copy(s);
146 if ((s = US getenv("LOG_BUFFER")))
149 if (sscanf(CS s, "%d%c", &x, c) > 0)
151 if (c[0] == 'K' || c[0] == 'k') x *= 1024;
152 if (x < 1024) x = 1024;
157 s = US getenv("LOG_DEPTH");
158 if (s && (x = Uatoi(s)) != 0) log_depth = x;
160 if ((s = US getenv("LOG_FILE_NAME")))
161 log_file = string_copy(s);
163 if ((s = US getenv("LOG_FONT")))
164 log_font = string_copy(s);
166 s = US getenv("LOG_WIDTH");
167 if (s && (x = Uatoi(s)) != 0) log_width = x;
169 if ((s = US getenv("MENU_EVENT")))
170 menu_event = string_copy(s);
172 s = US getenv("MIN_HEIGHT");
173 if (s && (x = Uatoi(s)) > 0) min_height = x;
175 s = US getenv("MIN_WIDTH");
176 if (s && (x = Uatoi(s)) > 0) min_width = x;
178 if ((s = US getenv("QUALIFY_DOMAIN")))
179 qualify_domain = string_copy(s);
181 qualify_domain = US""; /* Don't want NULL */
183 s = US getenv("QUEUE_DEPTH");
184 if (s && (x = Uatoi(s)) != 0) queue_depth = x;
186 if ((s = US getenv("QUEUE_FONT")))
187 queue_font = string_copy(s);
189 s = US getenv("QUEUE_INTERVAL");
190 if (s && (x = Uatoi(s)) != 0) queue_update = x;
192 s = US getenv("QUEUE_MAX_ADDRESSES");
193 if (s && (x = Uatoi(s)) != 0) queue_max_addresses = x;
195 s = US getenv("QUEUE_WIDTH");
196 if (s && (x = Uatoi(s)) != 0) queue_width = x;
198 if ((s = US getenv("SPOOL_DIRECTORY")))
199 spool_directory = string_copy(s);
201 s = US getenv("START_SMALL");
202 if (s && Ustrcmp(s, "yes") == 0) start_small = 1;
204 s = US getenv("TEXT_DEPTH");
205 if (s && (x = Uatoi(s)) != 0) text_depth = x;
207 if ((s = US getenv("WINDOW_TITLE")))
208 window_title = string_copy(s);
210 /* Deal with stripchart configuration. First see if we are monitoring
211 the size of a partition, then deal with log stripcharts in a separate
214 s = US getenv("SIZE_STRIPCHART");
218 stripchart_varstart++;
219 size_stripchart = string_copy(s);
220 s = US getenv("SIZE_STRIPCHART_NAME");
221 if (s != NULL && *s != 0) size_stripchart_name = string_copy(s);
224 if ((s = US getenv("LOG_STRIPCHARTS")))
225 decode_stripchart_config(s);
227 s = US getenv("STRIPCHART_INTERVAL");
228 if (s && (x = Uatoi(s)) != 0) stripchart_update = x;
230 s = US getenv("QUEUE_STRIPCHART_NAME");
231 queue_stripchart_name = s ? string_copy(s) : US"queue";
233 /* Compile the regex for matching yyyy-mm-dd at the start of a string. */
235 yyyymmdd_regex = pcre2_compile((PCRE2_SPTR)"^\\d{4}-\\d\\d-\\d\\d\\s",
236 PCRE2_ZERO_TERMINATED, PCRE_COPT, &x, &erroroffset, NULL);
239 /* End of em_init.c */