From 8b5ffaf13de624a480c430f9340b4f0a6fb9da26 Mon Sep 17 00:00:00 2001 From: laforge Date: Fri, 23 Jul 2004 02:31:40 +0000 Subject: start to reorganize tree for new architecture --- output/pgsql/Makefile.in | 30 ++++ output/pgsql/ulogd_PGSQL.c | 368 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 398 insertions(+) create mode 100644 output/pgsql/Makefile.in create mode 100644 output/pgsql/ulogd_PGSQL.c (limited to 'output/pgsql') 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 + * 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 +#include +#include +#include +#include + + +#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; intauxname, 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); +} -- cgit v1.2.3