start to reorganize tree for new architecture

2 files changed, 398 insertions, 0 deletions

diff --git a/output/pgsql/Makefile.in b/output/pgsql/Makefile.in
new file mode 100644
index 0000000..a242e0d
--- /dev/null
+++ b/output/pgsql/Makefile.in
@@ -0,0 +1,30 @@
+#
+
+#  Normally You should not need to change anything below
+#
+include @top_srcdir@/Rules.make
+
+CFLAGS+=-I@top_srcdir@ -I@top_srcdir@/libipulog/include -I@top_srcdir@/include
+SH_CFLAGS:=$(CFLAGS) -fPIC
+
+SHARED_LIBS=ulogd_PGSQL.so
+
+all: $(SHARED_LIBS)
+
+distrib:
+
+$(SHARED_LIBS): %.so: %_sh.o
+	$(LD) -shared $(PGSQL_LDFLAGS) -o $@ $< -lc
+
+%_sh.o: %.c
+	$(CC) $(PGSQL_CFLAGS) $(SH_CFLAGS) -o $@ -c $<
+	
+clean:
+	$(RM) $(SHARED_LIBS) *.o
+
+distclean:
+	$(RM) Makefile
+
+install: all
+	$(INSTALL) -m 755 -d $(DESTDIR)$(ULOGD_LIB_PATH)
+	$(INSTALL) -m 755 *.so $(DESTDIR)$(ULOGD_LIB_PATH)
diff --git a/output/pgsql/ulogd_PGSQL.c b/output/pgsql/ulogd_PGSQL.c
new file mode 100644
index 0000000..c2a3b71
--- /dev/null
+++ b/output/pgsql/ulogd_PGSQL.c
@@ -0,0 +1,368 @@
+/* ulogd_PGSQL.c, Version $Revision: 1.8 $
+ *
+ * ulogd output plugin for logging to a PGSQL database
+ *
+ * (C) 2000 by Harald Welte <laforge@gnumonks.org> 
+ * This software is distributed under the terms of GNU GPL 
+ * 
+ * This plugin is based on the MySQL plugin made by Harald Welte.
+ * The support PostgreSQL were made by Jakab Laszlo.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <ulogd/ulogd.h>
+#include <ulogd/conffile.h>
+#include <libpq-fe.h>
+
+
+#ifdef DEBUG_PGSQL
+#define DEBUGP(x, args...)	fprintf(stderr, x, ## args)
+#else
+#define DEBUGP(x, args...)
+#endif
+
+struct _field {
+	char name[ULOGD_MAX_KEYLEN];
+	unsigned int id;
+	struct _field *next;
+};
+
+/* the database handle we are using */
+static PGconn *dbh;
+
+/* a linked list of the fields the table has */
+static struct _field *fields;
+
+/* buffer for our insert statement */
+static char *stmt;
+
+/* pointer to the beginning of the "VALUES" part */
+static char *stmt_val;
+
+/* pointer to current inser position in statement */
+static char *stmt_ins;
+
+/* our configuration directives */
+static config_entry_t db_ce = { 
+	.key = "db", 
+	.type = CONFIG_TYPE_STRING,
+	.options = CONFIG_OPT_MANDATORY,
+};
+
+static config_entry_t host_ce = { 
+	.next = &db_ce, 
+	.key = "host", 
+	.type = CONFIG_TYPE_STRING,
+	.options = CONFIG_OPT_NONE,
+};
+
+static config_entry_t user_ce = { 
+	.next = &host_ce, 
+	.key = "user", 
+	.type = CONFIG_TYPE_STRING,
+	.options = CONFIG_OPT_MANDATORY,
+};
+
+static config_entry_t pass_ce = { 
+	.next = &user_ce, 
+	.key = "pass", 
+	.type = CONFIG_TYPE_STRING,
+	.options = CONFIG_OPT_NONE,
+};
+
+static config_entry_t table_ce = { 
+	.next = &pass_ce, 
+	.key = "table", 
+	.type = CONFIG_TYPE_STRING,
+	.options = CONFIG_OPT_MANDATORY,
+};
+
+/* our main output function, called by ulogd */
+static int pgsql_output(ulog_iret_t *result)
+{
+	struct _field *f;
+	ulog_iret_t *res;
+	PGresult   *pgres;
+#ifdef IP_AS_STRING
+	char *tmpstr;		/* need this for --log-ip-as-string */
+#endif
+
+	stmt_ins = stmt_val;
+
+	for (f = fields; f; f = f->next) {
+		res = keyh_getres(f->id);
+
+		if (!res) {
+			ulogd_log(ULOGD_NOTICE,
+				"no result for %s ?!?\n", f->name);
+		}
+
+		if (!res || !IS_VALID((*res))) {
+			/* no result, we have to fake something */
+			sprintf(stmt_ins, "NULL,");
+			stmt_ins = stmt + strlen(stmt);
+			continue;
+		}
+
+		switch (res->type) {
+			case ULOGD_RET_INT8:
+				sprintf(stmt_ins, "%d,", res->value.i8);
+				break;
+			case ULOGD_RET_INT16:
+				sprintf(stmt_ins, "%d,", res->value.i16);
+				break;
+			case ULOGD_RET_INT32:
+				sprintf(stmt_ins, "%d,", res->value.i32);
+				break;
+			case ULOGD_RET_INT64:
+				sprintf(stmt_ins, "%lld,", res->value.i64);
+				break;
+			case ULOGD_RET_UINT8:
+				sprintf(stmt_ins, "%u,", res->value.ui8);
+				break;
+			case ULOGD_RET_UINT16:
+				sprintf(stmt_ins, "%u,", res->value.ui16);
+				break;
+			case ULOGD_RET_IPADDR:
+#ifdef IP_AS_STRING
+				*stmt_ins++ = '\'';
+				tmpstr = (char *)inet_ntoa(ntohl(res->value.ui32));
+				PQescapeString(stmt_ins,tmpstr,strlen(tmpstr)); 
+				stmt_ins = stmt + strlen(stmt);
+				sprintf(stmt_ins, "',");
+				break;
+#endif /* IP_AS_STRING */
+				/* EVIL: fallthrough when logging IP as
+				 * u_int32_t */
+
+			case ULOGD_RET_UINT32:
+				sprintf(stmt_ins, "%u,", res->value.ui32);
+				break;
+			case ULOGD_RET_UINT64:
+				sprintf(stmt_ins, "%llu,", res->value.ui64);
+				break;
+			case ULOGD_RET_BOOL:
+				sprintf(stmt_ins, "'%d',", res->value.b);
+				break;
+			case ULOGD_RET_STRING:
+				*stmt_ins++ = '\'';
+				PQescapeString(stmt_ins,res->value.ptr,strlen(res->value.ptr)); 
+				stmt_ins = stmt + strlen(stmt);
+				sprintf(stmt_ins, "',");
+				break;
+			case ULOGD_RET_RAW:
+				ulogd_log(ULOGD_NOTICE,"%s: pgsql doesn't support type RAW\n",res->key);
+				sprintf(stmt_ins, "NULL,");
+				break;
+			default:
+				ulogd_log(ULOGD_NOTICE,
+					"unknown type %d for %s\n",
+					res->type, res->key);
+				break;
+		}
+		stmt_ins = stmt + strlen(stmt);
+	}
+	*(stmt_ins - 1) = ')';
+	DEBUGP("stmt=#%s#\n", stmt);
+
+	/* now we have created our statement, insert it */
+	/* Added code by Jaki */
+	pgres = PQexec(dbh, stmt);
+	if(!pgres || PQresultStatus(pgres) != PGRES_COMMAND_OK) {
+		ulogd_log(ULOGD_ERROR, "sql error during insert: %s\n",
+				PQresultErrorMessage(pgres));
+		return 1;
+	}
+
+	return 0;
+}
+
+#define PGSQL_INSERTTEMPL   "insert into X (Y) values (Z)"
+#define PGSQL_VALSIZE	100
+
+/* create the static part of our insert statement */
+static int pgsql_createstmt(void)
+{
+	struct _field *f;
+	unsigned int size;
+	char buf[ULOGD_MAX_KEYLEN];
+	char *underscore;
+
+	if (stmt) {
+		ulogd_log(ULOGD_NOTICE, "createstmt called, but stmt"
+			" already existing\n");
+		return 1;
+	}
+
+	/* caclulate the size for the insert statement */
+	size = strlen(PGSQL_INSERTTEMPL) + strlen(table_ce.u.string);
+
+	for (f = fields; f; f = f->next) {
+		/* we need space for the key and a comma, as well as
+		 * enough space for the values */
+		size += strlen(f->name) + 1 + PGSQL_VALSIZE;
+	}
+
+	ulogd_log(ULOGD_DEBUG, "allocating %u bytes for statement\n", size);
+
+	stmt = (char *) malloc(size);
+
+	if (!stmt) {
+		ulogd_log(ULOGD_ERROR, "OOM!\n");
+		return 1;
+	}
+
+	sprintf(stmt, "insert into %s (", table_ce.u.string);
+	stmt_val = stmt + strlen(stmt);
+
+	for (f = fields; f; f = f->next) {
+		strncpy(buf, f->name, ULOGD_MAX_KEYLEN);
+		while ((underscore = strchr(buf, '.')))
+			*underscore = '_';
+		sprintf(stmt_val, "%s,", buf);
+		stmt_val = stmt + strlen(stmt);
+	}
+	*(stmt_val - 1) = ')';
+
+	sprintf(stmt_val, " values (");
+	stmt_val = stmt + strlen(stmt);
+
+	ulogd_log(ULOGD_DEBUG, "stmt='%s'\n", stmt);
+
+	return 0;
+}
+
+/* find out which columns the table has */
+static int pgsql_get_columns(const char *table)
+{
+	PGresult *result;
+	char buf[ULOGD_MAX_KEYLEN];
+	char pgbuf[256];
+	char *underscore;
+	struct _field *f;
+	int id;
+	int intaux;
+
+	if (!dbh)
+		return 1;
+
+	strcpy(pgbuf, "SELECT  a.attname FROM pg_class c, pg_attribute a WHERE c.relname ='");
+	strncat(pgbuf, table, strlen(table));
+	strcat(pgbuf, "' AND a.attnum>0 AND a.attrelid=c.oid ORDER BY a.attnum");
+	ulogd_log(ULOGD_DEBUG, pgbuf);
+
+	result = PQexec(dbh, pgbuf);
+	if (!result) {
+		ulogd_log(ULOGD_DEBUG, "\n result false");
+		return 1;
+	}
+
+	if (PQresultStatus(result) != PGRES_TUPLES_OK) {
+		ulogd_log(ULOGD_DEBUG, "\n pres_command_not_ok");
+		return 1;
+	}
+
+	for (intaux=0; intaux<PQntuples(result); intaux++) {
+
+		/* replace all underscores with dots */
+		strncpy(buf, PQgetvalue(result, intaux, 0), ULOGD_MAX_KEYLEN);
+		while ((underscore = strchr(buf, '_')))
+			*underscore = '.';
+
+		DEBUGP("field '%s' found: ", buf);
+
+		if (!(id = keyh_getid(buf))) {
+			DEBUGP(" no keyid!\n");
+			continue;
+		}
+
+		DEBUGP("keyid %u\n", id);
+
+		/* prepend it to the linked list */
+		f = (struct _field *) malloc(sizeof *f);
+		if (!f) {
+			ulogd_log(ULOGD_ERROR, "OOM!\n");
+			return 1;
+		}
+		strncpy(f->name, buf, ULOGD_MAX_KEYLEN);
+		f->id = id;
+		f->next = fields;
+		fields = f;
+	}
+
+	PQclear(result);
+	return 0;
+}
+
+static int exit_nicely(PGconn *conn)
+{
+	PQfinish(conn);
+	return 0;;
+}
+
+/* make connection and select database */
+static int pgsql_open_db(char *server, char *user, char *pass, char *db)
+{
+	char connstr[80];
+
+	if (server) {
+		strcpy(connstr, " host=");
+		strcat(connstr, server);
+	}
+
+	strcat(connstr, " dbname=");
+	strcat(connstr, db);
+	strcat(connstr, " user=");
+	strcat(connstr, user);
+
+	if (pass) {
+		strcat(connstr, " password=");
+		strcat(connstr, pass);
+	}
+	
+	dbh = PQconnectdb(connstr);
+	if (PQstatus(dbh)!=CONNECTION_OK) {
+		exit_nicely(dbh);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int pgsql_init(void)
+{
+	/* have the opts parsed */
+	config_parse_file("PGSQL", &table_ca);
+
+	if (pgsql_open_db(host_ce.u.string, user_ce.u.string,
+			   pass_ce.u.string, db_ce.u.string)) {
+		ulogd_log(ULOGD_ERROR, "can't establish database connection\n");
+		return;
+	}
+
+	/* read the fieldnames to know which values to insert */
+	if (pgsql_get_columns(table_ce.u.string)) {
+		ulogd_log(ULOGD_ERROR, "unable to get pgsql columns\n");
+		return;
+	}
+	pgsql_createstmt();
+}
+
+static void pgsql_fini(void)
+{
+	PQfinish(dbh);
+}
+
+static ulog_output_t pgsql_plugin = { 
+	.name = "pgsql", 
+	.output = &pgsql_output,
+	.init = &pgsql_init,
+	.fini = &pgsql_fini,
+};
+
+void _init(void)
+{
+	register_output(&pgsql_plugin);
+}