diff options
Diffstat (limited to 'libseaudit/src/bool_message.c')
| -rw-r--r-- | libseaudit/src/bool_message.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/libseaudit/src/bool_message.c b/libseaudit/src/bool_message.c new file mode 100644 index 0000000..f105cf0 --- /dev/null +++ b/libseaudit/src/bool_message.c @@ -0,0 +1,153 @@ +/** + * @file + * Implementation of a single boolean change log message. + * + * @author Jeremy A. Mowery jmowery@tresys.com + * @author Jason Tang jtang@tresys.com + * + * Copyright (C) 2006-2007 Tresys Technology, LLC + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "seaudit_internal.h" + +#include <apol/util.h> + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +/******************** protected functions below ********************/ + +static void seaudit_bool_change_free(void *elem) +{ + if (elem != NULL) { + seaudit_bool_message_change_t *b = elem; + free(b); + } +} + +seaudit_bool_message_t *bool_message_create(void) +{ + seaudit_bool_message_t *boolm = calloc(1, sizeof(seaudit_bool_message_t)); + if (boolm == NULL) { + return NULL; + } + if ((boolm->changes = apol_vector_create(seaudit_bool_change_free)) == NULL) { + bool_message_free(boolm); + return NULL; + } + return boolm; +} + +int bool_change_append(seaudit_log_t * log, seaudit_bool_message_t * boolm, const char *name, int value) +{ + char *s = strdup(name); + seaudit_bool_message_change_t *bc = NULL; + int error; + if (s == NULL || apol_bst_insert_and_get(log->bools, (void **)&s, NULL) < 0) { + error = errno; + free(s); + ERR(log, "%s", strerror(error)); + errno = error; + return -1; + } + if ((bc = calloc(1, sizeof(*bc))) == NULL || apol_vector_append(boolm->changes, bc) < 0) { + error = errno; + free(s); + ERR(log, "%s", strerror(error)); + errno = error; + return -1; + } + bc->boolean = s; + bc->value = value; + return 0; +} + +void bool_message_free(seaudit_bool_message_t * boolm) +{ + if (boolm != NULL) { + apol_vector_destroy(&boolm->changes); + free(boolm); + } +} + +char *bool_message_to_string(const seaudit_message_t * msg, const char *date) +{ + seaudit_bool_message_t *boolm = msg->data.boolm; + const char *host = msg->host; + const char *manager = msg->manager; + char *s = NULL, *misc_string; + size_t len = 0; + char *open_brace = "", *close_brace = ""; + if (apol_vector_get_size(boolm->changes) > 0) { + open_brace = "{ "; + close_brace = " }"; + } + if (apol_str_appendf(&s, &len, "%s %s %s: security: committed booleans: %s", date, host, manager, open_brace) < 0) { + return NULL; + } + if ((misc_string = bool_message_to_misc_string(boolm)) == NULL || + apol_str_appendf(&s, &len, misc_string) < 0 || apol_str_append(&s, &len, close_brace) < 0) { + free(misc_string); + return NULL; + } + free(misc_string); + return s; +} + +char *bool_message_to_string_html(const seaudit_message_t * msg, const char *date) +{ + seaudit_bool_message_t *boolm = msg->data.boolm; + const char *host = msg->host; + const char *manager = msg->manager; + char *s = NULL, *misc_string; + size_t len = 0; + char *open_brace = "", *close_brace = ""; + if (apol_vector_get_size(boolm->changes) > 0) { + open_brace = "{ "; + close_brace = " }"; + } + if (apol_str_appendf(&s, &len, + "<font class=\"message_date\">%s</font> " + "<font class=\"host_name\">%s</font> " + "%s: security: committed booleans: %s", date, host, manager, open_brace) < 0) { + return NULL; + } + if ((misc_string = bool_message_to_misc_string(boolm)) == NULL || + apol_str_appendf(&s, &len, misc_string) < 0 || apol_str_appendf(&s, &len, "%s%s<br>", s, close_brace) < 0) { + free(misc_string); + return NULL; + } + free(misc_string); + return s; +} + +char *bool_message_to_misc_string(const seaudit_bool_message_t * boolm) +{ + char *s = NULL; + size_t len = 0, i; + for (i = 0; i < apol_vector_get_size(boolm->changes); i++) { + seaudit_bool_message_change_t *bc = apol_vector_get_element(boolm->changes, i); + if (apol_str_appendf(&s, &len, "%s%s:%d", (i == 0 ? "" : ", "), bc->boolean, bc->value) < 0) { + return NULL; + } + } + if (s == NULL) { + return strdup(""); + } + return s; +} |