diff options
Diffstat (limited to 'framework/src/audit/audisp/plugins/zos-remote/zos-remote-config.c')
-rw-r--r-- | framework/src/audit/audisp/plugins/zos-remote/zos-remote-config.c | 443 |
1 files changed, 0 insertions, 443 deletions
diff --git a/framework/src/audit/audisp/plugins/zos-remote/zos-remote-config.c b/framework/src/audit/audisp/plugins/zos-remote/zos-remote-config.c deleted file mode 100644 index b92dc778..00000000 --- a/framework/src/audit/audisp/plugins/zos-remote/zos-remote-config.c +++ /dev/null @@ -1,443 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2007 International Business Machines Corp. * - * All Rights Reserved. * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - * Authors: * - * Klaus Heinrich Kiwi <klausk@br.ibm.com> * - * based on code by Steve Grubb <sgrubb@redhat.com> * - ***************************************************************************/ - -#include "zos-remote-config.h" - -#include <string.h> -#include <stdio.h> -#include <fcntl.h> -#include <sys/stat.h> -#include <errno.h> -#include <ctype.h> -#include <unistd.h> -#include <stdlib.h> -#include "zos-remote-log.h" - -/* Local prototypes */ -struct nv_pair -{ - const char *name; - const char *value; - const char *option; -}; - -struct kw_pair -{ - const char *name; - int (*parser) (struct nv_pair *, int, plugin_conf_t *); - int max_options; -}; - -struct nv_list -{ - const char *name; - int option; -}; - -static char *get_line(FILE *, char *); -static int nv_split(char *, struct nv_pair *); -static const struct kw_pair *kw_lookup(const char *); -static int server_parser(struct nv_pair *, int, plugin_conf_t *); -static int port_parser(struct nv_pair *, int, plugin_conf_t *); -static int timeout_parser(struct nv_pair *, int, plugin_conf_t *); -static int user_parser(struct nv_pair *, int, plugin_conf_t *); -static int password_parser(struct nv_pair *, int, plugin_conf_t *); -static int q_depth_parser(struct nv_pair *, int, plugin_conf_t *); -static int sanity_check(plugin_conf_t *); - -static const struct kw_pair keywords[] = { - {"server", server_parser, 0}, - {"port", port_parser, 0}, - {"timeout", timeout_parser, 0}, - {"user", user_parser, 0}, - {"password", password_parser, 0}, - {"q_depth", q_depth_parser, 0}, - {NULL, NULL, 0} -}; - -#define UNUSED(x) (void)(x) - -/* - * Set everything to its default value -*/ -void plugin_clear_config(plugin_conf_t * c) -{ - c->server = NULL; - c->port = 0; - c->user = NULL; - c->password = NULL; - c->timeout = 15; - c->q_depth = 64; - /* not re-setting counter */ -} - -int plugin_load_config(plugin_conf_t * c, const char *file) -{ - int fd, rc, mode, lineno = 1; - struct stat st; - FILE *f; - char buf[128]; - - plugin_clear_config(c); - - /* open the file */ - mode = O_RDONLY; - rc = open(file, mode); - if (rc < 0) { - if (errno != ENOENT) { - log_err("Error opening %s (%s)", file, - strerror(errno)); - return 1; - } - log_warn("Config file %s doesn't exist, skipping", file); - return 1; - } - fd = rc; - - /* check the file's permissions: owned by root, not world anything, - * not symlink. - */ - if (fstat(fd, &st) < 0) { - log_err("Error fstat'ing config file (%s)", - strerror(errno)); - close(fd); - return 1; - } - if (st.st_uid != 0) { - log_err("Error - %s isn't owned by root", file); - close(fd); - return 1; - } - if ((st.st_mode & (S_IRUSR | S_IWUSR | S_IRGRP)) != - (S_IRUSR | S_IWUSR | S_IRGRP)) { - log_err("%s permissions should be 0640", file); - close(fd); - return 1; - } - if (!S_ISREG(st.st_mode)) { - log_err("Error - %s is not a regular file", file); - close(fd); - return 1; - } - - /* it's ok, read line by line */ - f = fdopen(fd, "r"); - if (f == NULL) { - log_err("Error - fdopen failed (%s)", strerror(errno)); - close(fd); - return 1; - } - - while (get_line(f, buf)) { - /* convert line into name-value pair */ - const struct kw_pair *kw; - struct nv_pair nv; - - rc = nv_split(buf, &nv); - switch (rc) { - case 0: /* fine */ - break; - case 1: /* not the right number of tokens. */ - log_err("Wrong number of arguments for line %d in %s", lineno, file); - break; - case 2: /* no '=' sign */ - log_err("Missing equal sign for line %d in %s", - lineno, file); - break; - default: /* something else went wrong... */ - log_err("Unknown error for line %d in %s", - lineno, file); - break; - } - if (nv.name == NULL) { - lineno++; - continue; - } - if (nv.value == NULL) { - fclose(f); - return 1; - } - - /* identify keyword or error */ - kw = kw_lookup(nv.name); - if (kw->name == NULL) { - log_err("Unknown keyword \"%s\" in line %d of %s", - nv.name, lineno, file); - fclose(f); - return 1; - } - - /* Check number of options */ - if (kw->max_options == 0 && nv.option != NULL) { - log_err("Keyword \"%s\" has invalid option " - "\"%s\" in line %d of %s", - nv.name, nv.option, lineno, file); - fclose(f); - return 1; - } - - /* dispatch to keyword's local parser */ - rc = kw->parser(&nv, lineno, c); - if (rc != 0) { - fclose(f); - return 1; /* local parser puts message out */ - } - - lineno++; - } - - fclose(f); - c->name = strdup(basename(file)); - if (lineno > 1) - return sanity_check(c); - return 0; -} - -static char *get_line(FILE * f, char *buf) -{ - if (fgets_unlocked(buf, 128, f)) { - /* remove newline */ - char *ptr = strchr(buf, 0x0a); - - if (ptr) - *ptr = 0; - return buf; - } - return NULL; -} - -static int nv_split(char *buf, struct nv_pair *nv) -{ - /* Get the name part */ - char *ptr, *saved; - - nv->name = NULL; - nv->value = NULL; - nv->option = NULL; - ptr = strtok_r(buf, " ", &saved); - if (ptr == NULL) - return 0; /* If there's nothing, go to next line */ - if (ptr[0] == '#') - return 0; /* If there's a comment, go to next line */ - nv->name = ptr; - - /* Check for a '=' */ - ptr = strtok_r(NULL, " ", &saved); - if (ptr == NULL) - return 1; - if (strcmp(ptr, "=") != 0) - return 2; - - /* get the value */ - ptr = strtok_r(NULL, " ", &saved); - if (ptr == NULL) - return 1; - nv->value = ptr; - - /* See if there's an option */ - ptr = strtok_r(NULL, " ", &saved); - if (ptr) { - nv->option = ptr; - - /* Make sure there's nothing else */ - ptr = strtok_r(NULL, " ", &saved); - if (ptr) - return 1; - } - - /* Everything is OK */ - return 0; -} - -static const struct kw_pair *kw_lookup(const char *val) -{ - int i = 0; - - while (keywords[i].name != NULL) { - if (strcasecmp(keywords[i].name, val) == 0) - break; - i++; - } - return &keywords[i]; -} - - -static int server_parser(struct nv_pair *nv, int line, plugin_conf_t * c) -{ - UNUSED(line); - if (nv->value == NULL) - c->server = NULL; - else - c->server = strdup(nv->value); - - return 0; -} - -static int port_parser(struct nv_pair *nv, int line, plugin_conf_t * c) -{ - const char *ptr = nv->value; - unsigned long i; - - /* check that all chars are numbers */ - for (i = 0; ptr[i]; i++) { - if (!isdigit(ptr[i])) { - log_err("Value %s should only be numbers - line %d", nv->value, line); - return 1; - } - } - - /* convert to unsigned long */ - errno = 0; - i = strtoul(nv->value, NULL, 10); - if (errno) { - log_err("Error converting string to a number (%s) - line %d", strerror(errno), line); - return 1; - } - - c->port = i; - return 0; - -} - -static int timeout_parser(struct nv_pair *nv, int line, plugin_conf_t * c) -{ - const char *ptr = nv->value; - unsigned long i; - - /* check that all chars are numbers */ - for (i = 0; ptr[i]; i++) { - if (!isdigit(ptr[i])) { - log_err("Value %s should only be numbers - line %d", nv->value, line); - return 1; - } - } - - /* convert to unsigned long */ - errno = 0; - i = strtoul(nv->value, NULL, 10); - if (errno) { - log_err("Error converting string to a number (%s) - line %d", strerror(errno), line); - return 1; - } - - c->timeout = i; - return 0; - -} - - -static int user_parser(struct nv_pair *nv, int line, plugin_conf_t * c) -{ - UNUSED(line); - if (nv->value == NULL) - c->user = NULL; - else - c->user = strdup(nv->value); - - return 0; -} - -static int password_parser(struct nv_pair *nv, int line, plugin_conf_t * c) -{ - UNUSED(line); - if (nv->value == NULL) - c->password = NULL; - else - c->password = strdup(nv->value); - - return 0; -} - -static int q_depth_parser(struct nv_pair *nv, int line, plugin_conf_t * c) -{ - const char *ptr = nv->value; - unsigned long i; - - /* check that all chars are numbers */ - for (i = 0; ptr[i]; i++) { - if (!isdigit(ptr[i])) { - log_err("Value %s should only be numbers - line %d", nv->value, line); - return 1; - } - } - - /* convert to unsigned long */ - errno = 0; - i = strtoul(nv->value, NULL, 10); - if (errno) { - log_err("Error converting string to a number (%s) - line %d", strerror(errno), line); - return 1; - } - - if (i < 16 || i > 99999) { - log_err("q_depth must be between 16 and 99999"); - return 1; - } - - c->q_depth = i; - return 0; - -} - - -/* - * Check configuration.At this point, all fields have been read. - * Returns 0 if no problems and 1 if problems detected. - */ -static int sanity_check(plugin_conf_t * c) -{ - /* Error checking */ - if (!c->server) { - log_err("Error - no server hostname given"); - return 1; - } - - if (!c->user) { - log_err("Error - no bind user given"); - return 1; - } - - if (!c->password) { - log_err("Error - no password given"); - return 1; - } - - if (!c->timeout) { - log_err("Error - timeout can't be zero"); - return 1; - } - return 0; -} - -void plugin_free_config(plugin_conf_t * c) -{ - - if (c == NULL) - return; - - free((void *) c->server); - free((void *) c->user); - free((void *) c->password); - free((void *) c->name); -} |