suricata
util-conf.c
Go to the documentation of this file.
1 /* Copyright (C) 2013 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Eric Leblond <eric@regit.org>
22  *
23  */
24 
25 #include "suricata-common.h"
26 #include "suricata.h"
27 #include "conf.h"
28 #include "runmodes.h"
29 #include "util-conf.h"
30 #include "util-debug.h"
31 #include "util-path.h"
32 
33 TmEcode ConfigSetLogDirectory(const char *name)
34 {
35  return ConfSetFinal("default-log-dir", name) ? TM_ECODE_OK : TM_ECODE_FAILED;
36 }
37 
38 const char *ConfigGetLogDirectory(void)
39 {
40  const char *log_dir = NULL;
41 
42  if (ConfGet("default-log-dir", &log_dir) != 1) {
43 #ifdef OS_WIN32
44  log_dir = _getcwd(NULL, 0);
45  if (log_dir == NULL) {
46  log_dir = DEFAULT_LOG_DIR;
47  }
48 #else
49  log_dir = DEFAULT_LOG_DIR;
50 #endif /* OS_WIN32 */
51  }
52 
53  return log_dir;
54 }
55 
57 {
58  SCEnter();
59  SCStat buf;
60  if (SCStatFn(log_dir, &buf) != 0) {
62  }
64 }
65 
67 {
68  if (strlen(name) == 0)
69  return TM_ECODE_OK;
70 
71  size_t size = strlen(name) + 1;
72  char tmp[size];
73  strlcpy(tmp, name, size);
74  if (size > 2 && tmp[size - 2] == '/') // > 2 to allow just /
75  tmp[size - 2] = '\0';
76 
77  return ConfSetFinal("default-data-dir", tmp) ? TM_ECODE_OK : TM_ECODE_FAILED;
78 }
79 
80 const char *ConfigGetDataDirectory(void)
81 {
82  const char *data_dir = NULL;
83 
84  if (ConfGet("default-data-dir", &data_dir) != 1) {
85 #ifdef OS_WIN32
86  data_dir = _getcwd(NULL, 0);
87  if (data_dir == NULL) {
88  data_dir = DEFAULT_DATA_DIR;
89  }
90 #else
91  data_dir = DEFAULT_DATA_DIR;
92 #endif /* OS_WIN32 */
93  }
94 
95  SCLogDebug("returning '%s'", data_dir);
96  return data_dir;
97 }
98 
99 TmEcode ConfigCheckDataDirectory(const char *data_dir)
100 {
101  SCEnter();
102  SCStat buf;
103  if (SCStatFn(data_dir, &buf) != 0) {
105  }
107 }
108 
109 /**
110  * \brief Find the configuration node for a specific device.
111 
112  * Basically hunts through the list of maps for the first one with a
113  * key of "interface", and a value of the provided interface.
114  *
115  * \param node The node to start looking for the device
116  * configuration. Typically this would be something like the af-packet
117  * or pf-ring node.
118  *
119  * \param iface The name of the interface to find the config for.
120  */
121 ConfNode *ConfFindDeviceConfig(ConfNode *node, const char *iface)
122 {
123  ConfNode *if_node, *item;
124  TAILQ_FOREACH(if_node, &node->head, next) {
125  TAILQ_FOREACH(item, &if_node->head, next) {
126  if (strcmp(item->name, "interface") == 0 &&
127  strcmp(item->val, iface) == 0) {
128  return if_node;
129  }
130  }
131  }
132 
133  return NULL;
134 }
135 
137 {
138  const char *value;
139 
140  if (ConfGet("unix-command.enabled", &value) != 1) {
141  return 0;
142  }
143 
144  if (value == NULL) {
145  SCLogError("malformed value for unix-command.enabled: NULL");
146  return 0;
147  }
148 
149  if (!strcmp(value, "auto")) {
150 #ifdef OS_WIN32
151  return 0;
152 #else
153  if (!IsRunModeOffline(SCRunmodeGet())) {
154  SCLogInfo("Running in live mode, activating unix socket");
155  return 1;
156  } else {
157  return 0;
158  }
159 #endif
160  }
161 
162  return ConfValIsTrue(value);
163 }
SCRunmodeGet
int SCRunmodeGet(void)
Get the current run mode.
Definition: suricata.c:262
ConfNode_::val
char * val
Definition: conf.h:34
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:269
next
struct HtpBodyChunk_ * next
Definition: app-layer-htp.h:0
TAILQ_FOREACH
#define TAILQ_FOREACH(var, head, field)
Definition: queue.h:252
ConfSetFinal
int ConfSetFinal(const char *name, const char *val)
Set a final configuration value.
Definition: conf.c:303
ConfigGetDataDirectory
const char * ConfigGetDataDirectory(void)
Definition: util-conf.c:80
TM_ECODE_FAILED
@ TM_ECODE_FAILED
Definition: tm-threads-common.h:85
IsRunModeOffline
bool IsRunModeOffline(enum RunModes run_mode_to_check)
Definition: runmodes.c:563
ConfValIsTrue
int ConfValIsTrue(const char *val)
Check if a value is true.
Definition: conf.c:536
TM_ECODE_OK
@ TM_ECODE_OK
Definition: tm-threads-common.h:84
DEFAULT_LOG_DIR
#define DEFAULT_LOG_DIR
Definition: conf.h:54
strlcpy
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition: util-strlcpyu.c:43
ConfGet
int ConfGet(const char *name, const char **vptr)
Retrieve the value of a configuration node.
Definition: conf.c:335
util-debug.h
ConfFindDeviceConfig
ConfNode * ConfFindDeviceConfig(ConfNode *node, const char *iface)
Find the configuration node for a specific device.
Definition: util-conf.c:121
SCEnter
#define SCEnter(...)
Definition: util-debug.h:271
conf.h
TmEcode
TmEcode
Definition: tm-threads-common.h:83
ConfigSetDataDirectory
TmEcode ConfigSetDataDirectory(char *name)
Definition: util-conf.c:66
runmodes.h
SCLogInfo
#define SCLogInfo(...)
Macro used to log INFORMATIONAL messages.
Definition: util-debug.h:224
util-conf.h
suricata-common.h
util-path.h
ConfNode_::name
char * name
Definition: conf.h:33
DEFAULT_DATA_DIR
#define DEFAULT_DATA_DIR
Definition: conf.h:55
ConfigSetLogDirectory
TmEcode ConfigSetLogDirectory(const char *name)
Definition: util-conf.c:33
ConfUnixSocketIsEnable
int ConfUnixSocketIsEnable(void)
Definition: util-conf.c:136
ConfigGetLogDirectory
const char * ConfigGetLogDirectory(void)
Definition: util-conf.c:38
ConfigCheckDataDirectory
TmEcode ConfigCheckDataDirectory(const char *data_dir)
Definition: util-conf.c:99
SCLogError
#define SCLogError(...)
Macro used to log ERROR messages.
Definition: util-debug.h:261
ConfNode_
Definition: conf.h:32
ConfigCheckLogDirectoryExists
TmEcode ConfigCheckLogDirectoryExists(const char *log_dir)
Definition: util-conf.c:56
suricata.h
SCStatFn
#define SCStatFn(pathname, statbuf)
Definition: util-path.h:35
SCReturnInt
#define SCReturnInt(x)
Definition: util-debug.h:275
SCStat
struct stat SCStat
Definition: util-path.h:33