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112 lines
3.1 KiB
112 lines
3.1 KiB
/* Copyright 2015-2016 Alex 'AdUser' Z (ad_user@runbox.com) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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*/ |
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#include <assert.h> |
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#include <ctype.h> |
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#include <errno.h> |
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#include <string.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include "config.h" |
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enum { bufsize = 1024 }; |
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int |
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oal_error(oal_config_t * const c, const char *fmt, ...) { |
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va_list args; |
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va_start(args, fmt); |
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vsnprintf(c->error, sizeof(c->error), fmt, args); |
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va_end(args); |
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return 1; |
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} |
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int parse_config(oal_config_t * const config, const char *file) { |
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FILE *f; |
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unsigned short linenum = 0; |
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char buf[bufsize]; |
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char *key, *value; |
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size_t valsize; |
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assert(config != NULL); |
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assert(file != NULL); |
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if ((f = fopen(file, "r")) == NULL) |
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return oal_error(config, "can't open file: %s", strerror(errno)); |
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while (fgets(buf, bufsize, f)) { |
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linenum++; |
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/* find start of key */ |
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key = buf; |
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while (isspace(*key)) |
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key++; |
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if (*key == '#') |
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continue; /* ignore comments */ |
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if (strlen(key) == 0) |
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continue; /* ignore empty lines */ |
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if (!isalpha(*key)) |
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return oal_error(config, "can't parse line %d", linenum); |
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/* find start of value */ |
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value = key; |
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while(*value && !isspace(*value)) |
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value++; |
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if (!isspace(*value)) |
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return oal_error(config, "can't find value at line %d", linenum); |
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*value = '\0', value += 1; |
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while (isspace(*value)) |
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value++; |
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if (!*value) |
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return oal_error(config, "can't find value at line %d", linenum); |
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/* strip trailing spaces and newline */ |
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valsize = strnlen(value, bufsize - (value - buf)); |
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while (valsize && isspace(value[valsize - 1])) { |
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value[valsize - 1] = '\0'; |
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valsize--; |
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} |
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/* check & copy valid keys */ |
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if (strncmp(key, "bindurls", 6) == 0) { |
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config->bindurls = strndup(value, valsize); |
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} else |
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if (strncmp(key, "binddn", 6) == 0) { |
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config->binddn = strndup(value, valsize); |
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} else |
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if (strncmp(key, "bindpass", 8) == 0) { |
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config->bindpass = strndup(value, valsize); |
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} else |
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if (strncmp(key, "bindtimeout", 11) == 0) { |
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config->bindtimeout = atoi(value); |
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} else |
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if (strncmp(key, "debug", 5) == 0) { |
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config->debug = !!atoi(value); |
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} else |
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if (strncmp(key, "basedn", 6) == 0) { |
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config->basedn = strndup(value, valsize); |
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} else |
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if (strncmp(key, "userfilter", 10) == 0) { |
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config->userfilter = strndup(value, valsize); |
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} else { |
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return oal_error(config, "unknown key '%s' at line %d", key, linenum); |
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} |
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} |
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return 0; |
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} |
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int check_config(oal_config_t * const config) { |
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assert(config != NULL); |
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if (!config->bindurls) |
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return oal_error(config, "'bindurls' not set in config"); |
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if (!config->basedn) |
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return oal_error(config, "'basedn' not set in config"); |
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if (!config->userfilter) |
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return oal_error(config, "'userfilter' not set in config"); |
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if (config->binddn && !config->bindpass) |
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return oal_error(config, "'bindn' set, but 'bindpass' missing in config"); |
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return 0; |
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}
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