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-rw-r--r--daemon/Makefile.am1
-rw-r--r--daemon/config.c204
-rw-r--r--daemon/rrdbotd.c50
-rw-r--r--daemon/rrdbotd.h3
-rw-r--r--daemon/usuals.h79
5 files changed, 44 insertions, 293 deletions
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index fbc275d..dda6ceb 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -7,6 +7,7 @@ rrdbotd_SOURCES = rrdbotd.c rrdbotd.h config.c usuals.h \
../common/sock-any.h ../common/sock-any.c \
../common/compat.h ../common/compat.c \
../common/hash.h ../common/hash.c \
+ ../common/config-parser.h ../common/config-parser.c \
../mib/parse.c
rrdbotd_CFLAGS = -I${top_srcdir}/common/ -I${top_srcdir}/bsnmp/ -I${top_srcdir} \
-DCONF_PREFIX=\"$(sysconfdir)\" -DDATA_PREFIX=\"$(datadir)\"
diff --git a/daemon/config.c b/daemon/config.c
index 9b38bcb..f45d1f0 100644
--- a/daemon/config.c
+++ b/daemon/config.c
@@ -41,6 +41,7 @@
#include <unistd.h>
#include <syslog.h>
#include <dirent.h>
+#include <string.h>
#include "rrdbotd.h"
@@ -53,7 +54,6 @@
typedef struct _config_ctx
{
const char* confname;
- char* configmem;
uint interval;
uint timeout;
rb_item* items;
@@ -181,14 +181,10 @@ config_done(config_ctx* ctx)
* This allows all the users of these strings not to worry
* about reallocating or freeing them
*/
- rb_atexit(free, ctx->configmem);
- ctx->configmem = NULL;
/* Clear current config and get ready for next */
ctx->items = NULL;
ctx->interval = 0;
-
-
}
static void
@@ -374,180 +370,66 @@ config_value(const char* header, const char* name, char* value,
}
}
-/* -----------------------------------------------------------------------------
- * CONFIG FILES
- */
-
-static char*
-read_config_file(const char* configfile)
+void
+rb_config_parse()
{
- char* config = NULL;
- FILE* f = NULL;
- long len;
-
- ASSERT(configfile);
-
- f = fopen(configfile, "r");
- if(f == NULL)
- err(1, "couldn't open config file: %s", configfile);
-
- /* Figure out size */
- if(fseek(f, 0, SEEK_END) == -1 || (len = ftell(f)) == -1 || fseek(f, 0, SEEK_SET) == -1)
- err(1, "couldn't seek config file: %s", configfile);
-
- if((config = (char*)malloc(len + 2)) == NULL)
- errx(1, "out of memory");
-
- /* And read in one block */
- if(fread(config, 1, len, f) != len)
- err(1, "couldn't read config file: %s", configfile);
+ config_ctx ctx;
- fclose(f);
+ /* Setup the hash tables properly */
+ g_state.poll_by_key = hsh_create();
+ g_state.host_by_name = hsh_create();
- /* Null terminate the data */
- config[len] = '\n';
- config[len + 1] = 0;
+ memset(&ctx, 0, sizeof(ctx));
- /* Remove nasty dos line endings */
- strcln(config, '\r');
+ if(cfg_parse_dir(g_state.confdir, &ctx) == -1)
+ exit(2); /* message already printed */
- rb_messagex(LOG_DEBUG, "read config file: %s", configfile);
- return config;
+ if(!g_state.polls)
+ errx(1, "no config files found in config directory: %s", g_state.confdir);
}
-static void
-parse_config_file(const char* configfile, config_ctx *ctx)
-{
- char* name = NULL;
- char* value = NULL;
- char* config;
- char* next;
- char* header;
- char* p;
- char* t;
- int pos;
-
- config = read_config_file(configfile);
- ctx->configmem = config;
- next = config;
-
- /* Go through lines and process them */
- while((t = strchr(next, '\n')) != NULL)
- {
- *t = 0;
- p = next; /* Do this before cleaning below */
- next = t + 1;
-
- t = strbtrim(p);
-
- /* Continuation line (had spaces at start) */
- if(p < t && *t)
- {
- if(!value)
- errx(2, "%s: invalid continuation in config: %s",
- ctx->confname, p);
-
- /* Calculate the end of the current value */
- t = value + strlen(value);
- ASSERT(t < p);
-
- /* Continuations are separated by spaces */
- *t = ' ';
- t++;
-
- continue;
- }
-
- // No continuation hand off value if necessary
- if(name && value)
- {
- rb_messagex(LOG_DEBUG, "config: %s: [%s] %s = %s",
- ctx->confname, header, name, value);
- config_value(header, name, value, ctx);
- }
-
- name = NULL;
- value = NULL;
-
- /* Empty lines / comments at start / comments without continuation */
- if(!*t || *p == '#')
- continue;
-
- /* A header */
- if(*p == '[')
- {
- t = p + strcspn(p, "]");
- if(!*t || t == p + 1)
- errx(2, "%s: invalid config header: %s", ctx->confname, p);
-
- *t = 0;
- header = strtrim(p + 1);
- continue;
- }
-
- /* Look for the break between name = value on the same line */
- t = p + strcspn(p, ":=");
- if(!*t)
- errx(2, "%s: invalid config line: %s", ctx->confname, p);
-
- /* Null terminate and split value part */
- *t = 0;
- t++;
-
- name = strtrim(p);
- value = strtrim(t);
- }
-
- if(name && value)
- {
- rb_messagex(LOG_DEBUG, "config: %s: [%s] %s = %s",
- ctx->confname, header, name, value);
- config_value(header, name, value, ctx);
- }
-
- config_done(ctx);
-
- /* If nobody claimed this memory then we don't need to keep it around */
- if(ctx->configmem)
- free(ctx->configmem);
- ctx->configmem = NULL;
-}
+/* -----------------------------------------------------------------------------
+ * CONFIG CALLBACKS
+ */
-void
-rb_config_parse()
+int
+cfg_value(const char* filename, const char* header, const char* name,
+ char* value, void* data)
{
- char configfile[MAXPATHLEN];
- struct dirent* dire;
- config_ctx ctx;
- DIR* dir;
+ config_ctx* ctx = (config_ctx*)data;
- /* Setup the hash tables properly */
- g_state.poll_by_key = hsh_create();
- g_state.host_by_name = hsh_create();
+ ASSERT(filename);
+ ASSERT(ctx);
- dir = opendir(g_state.confdir);
- if(!dir)
- err(1, "couldn't list config directory: %s", g_state.confdir);
+ /* A little setup where necessary */
+ if(!ctx->confname)
+ ctx->confname = filename;
- while((dire = readdir(dir)) != NULL)
+ /* Called like this after each file */
+ if(!header)
{
- if(dire->d_type != DT_REG && dire->d_type != DT_LNK)
- continue;
+ config_done(ctx);
+ ctx->confname = NULL;
+ return 0;
+ }
- /* Build a happy path name */
- snprintf(configfile, MAXPATHLEN, "%s/%s", g_state.confdir, dire->d_name);
- configfile[MAXPATHLEN - 1] = 0;
+ ASSERT(ctx->confname);
+ ASSERT(name && value && header);
- memset(&ctx, 0, sizeof(ctx));
- ctx.confname = dire->d_name;
+ rb_messagex(LOG_DEBUG, "config: %s: [%s] %s = %s",
+ ctx->confname, header, name, value);
- parse_config_file(configfile, &ctx);
- }
+ config_value(header, name, value, ctx);
- if(!g_state.polls)
- errx(1, "no config files found in config directory: %s", g_state.confdir);
+ return 0;
+}
- closedir(dir);
+int
+cfg_error(const char* filename, const char* errmsg, void* data)
+{
+ /* Just exit on errors */
+ errx(2, "%s", errmsg);
+ return 0;
}
/* -----------------------------------------------------------------------------
diff --git a/daemon/rrdbotd.c b/daemon/rrdbotd.c
index a9171e8..0b998b3 100644
--- a/daemon/rrdbotd.c
+++ b/daemon/rrdbotd.c
@@ -99,56 +99,6 @@ test(int argc, char* argv[])
}
/* -----------------------------------------------------------------------------
- * CLEANUP
- */
-
-typedef struct _exit_stack
-{
- voidfunc func;
- void* data;
-
- /* We have a list of these beauties */
- struct _exit_stack* next;
-}
-exit_stack;
-
-/* Our exit stack */
-static exit_stack* atexits = NULL;
-static int atexit_registered = 0;
-
-static void
-atexit_do_stack(void)
-{
- exit_stack* next;
- for(; atexits; atexits = next)
- {
- next = atexits->next;
- (atexits->func)(atexits->data);
- free(atexits);
- }
-}
-
-void
-rb_atexit(voidfunc func, void* data)
-{
- exit_stack* ae;
-
- ASSERT(func);
-
- ae = (exit_stack*)calloc(1, sizeof(exit_stack));
- if(ae)
- {
- ae->func = func;
- ae->data = data;
- ae->next = atexits;
- atexits = ae;
-
- if(!atexit_registered)
- atexit(atexit_do_stack);
- }
-}
-
-/* -----------------------------------------------------------------------------
* LOGGING
*/
diff --git a/daemon/rrdbotd.h b/daemon/rrdbotd.h
index 1a9782b..b211007 100644
--- a/daemon/rrdbotd.h
+++ b/daemon/rrdbotd.h
@@ -152,9 +152,6 @@ void rb_messagex(int level, const char* msg, ...);
void rb_message(int level, const char* msg, ...);
void rb_vmessage(int level, int err, const char* msg, va_list ap);
-typedef void (*voidfunc)(void*);
-void rb_atexit (voidfunc func, void* data);
-
/* -----------------------------------------------------------------------------
* CONFIG (config.c)
*/
diff --git a/daemon/usuals.h b/daemon/usuals.h
deleted file mode 100644
index 5fece3f..0000000
--- a/daemon/usuals.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2005, Nate Nielsen
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * * Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * * The names of contributors to this software may not be
- * used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- *
- * CONTRIBUTORS
- * Nate Nielsen <nielsen@memberwebs.com>
- *
- */
-
-#ifndef __USUALS_H__
-#define __USUALS_H__
-
-#include <sys/types.h>
-
-#include "config.h"
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-
-#include "compat.h"
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#ifndef max
-#define max(a,b) (((a) > (b)) ? (a) : (b))
-#endif
-
-#ifndef min
-#define min(a,b) (((a) < (b)) ? (a) : (b))
-#endif
-
-#define countof(x) (sizeof(x) / sizeof(x[0]))
-
-#ifdef _DEBUG
- #include "assert.h"
- #define ASSERT(x) assert(x)
-#else
- #define ASSERT(x)
-#endif
-
-#define KL(s) ((sizeof(s) - 1) / sizeof(char))
-#define RETURN(x) { ret = (x); goto finally; }
-
-#endif /* __USUALS_H__ */
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