/* * Copyright 2011 Tresys Technology, LLC. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. 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. * * THIS SOFTWARE IS PROVIDED BY TRESYS TECHNOLOGY, LLC ``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 TRESYS TECHNOLOGY, LLC 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. * * The views and conclusions contained in the software and documentation are those * of the authors and should not be interpreted as representing official policies, * either expressed or implied, of Tresys Technology, LLC. */ #include #include #include #include #include "cil_internal.h" #include "cil_flavor.h" #include "cil_list.h" #include "cil_log.h" #include "cil_symtab.h" #include "cil_tree.h" #include "cil_write_ast.h" static inline const char *datum_or_str(struct cil_symtab_datum *datum, const char *str) { return datum ? datum->fqn : str; } static inline const char *datum_to_str(struct cil_symtab_datum *datum) { return datum ? datum->fqn : ""; } static void write_expr(FILE *out, struct cil_list *expr) { struct cil_list_item *curr; int notfirst = 0; fprintf(out, "("); cil_list_for_each(curr, expr) { if (notfirst) fprintf(out, " "); else notfirst = 1; switch (curr->flavor) { case CIL_LIST: write_expr(out, curr->data); break; case CIL_STRING: fprintf(out, "%s", (char *)curr->data); break; case CIL_DATUM: case CIL_TYPE: case CIL_ROLE: case CIL_USER: case CIL_SENS: case CIL_CAT: case CIL_BOOL: case CIL_CLASS: case CIL_MAP_CLASS: case CIL_NAME: fprintf(out, "%s", datum_to_str(curr->data)); break; case CIL_OP: { const char *op_str; enum cil_flavor op_flavor = (enum cil_flavor)(uintptr_t)curr->data; switch (op_flavor) { case CIL_AND: op_str = CIL_KEY_AND; break; case CIL_OR: op_str = CIL_KEY_OR; break; case CIL_NOT: op_str = CIL_KEY_NOT; break; case CIL_ALL: op_str = CIL_KEY_ALL; break; case CIL_EQ: op_str = CIL_KEY_EQ; break; case CIL_NEQ: op_str = CIL_KEY_NEQ; break; case CIL_XOR: op_str = CIL_KEY_XOR; break; case CIL_RANGE: op_str = CIL_KEY_RANGE; break; case CIL_CONS_DOM: op_str = CIL_KEY_CONS_DOM; break; case CIL_CONS_DOMBY: op_str = CIL_KEY_CONS_DOMBY; break; case CIL_CONS_INCOMP: op_str = CIL_KEY_CONS_INCOMP; break; default: op_str = ""; break; } fprintf(out, "%s", op_str); break; } case CIL_CONS_OPERAND: { const char *operand_str; enum cil_flavor operand_flavor = (enum cil_flavor)(uintptr_t)curr->data; switch (operand_flavor) { case CIL_CONS_U1: operand_str = CIL_KEY_CONS_U1; break; case CIL_CONS_U2: operand_str = CIL_KEY_CONS_U2; break; case CIL_CONS_U3: operand_str = CIL_KEY_CONS_U3; break; case CIL_CONS_T1: operand_str = CIL_KEY_CONS_T1; break; case CIL_CONS_T2: operand_str = CIL_KEY_CONS_T2; break; case CIL_CONS_T3: operand_str = CIL_KEY_CONS_T3; break; case CIL_CONS_R1: operand_str = CIL_KEY_CONS_R1; break; case CIL_CONS_R2: operand_str = CIL_KEY_CONS_R2; break; case CIL_CONS_R3: operand_str = CIL_KEY_CONS_R3; break; case CIL_CONS_L1: operand_str = CIL_KEY_CONS_L1; break; case CIL_CONS_L2: operand_str = CIL_KEY_CONS_L2; break; case CIL_CONS_H1: operand_str = CIL_KEY_CONS_H1; break; case CIL_CONS_H2: operand_str = CIL_KEY_CONS_H2; break; default: operand_str = ""; break; } fprintf(out, "%s", operand_str); break; } default: fprintf(out, ""); break; } } fprintf(out, ")"); } static void write_node_list(FILE *out, struct cil_tree_node *current) { int notfirst = 0; fprintf(out, "("); while (current) { if (notfirst) fprintf(out, " "); else notfirst = 1; fprintf(out, "%s", datum_to_str(current->data)); current = current->next; } fprintf(out, ")"); } static void write_string_list(FILE *out, struct cil_list *list) { struct cil_list_item *curr; int notfirst = 0; if (!list) { fprintf(out, "()"); return; } fprintf(out, "("); cil_list_for_each(curr, list) { if (notfirst) fprintf(out, " "); else notfirst = 1; fprintf(out, "%s", (char*)curr->data); } fprintf(out, ")"); } static void write_datum_list(FILE *out, struct cil_list *list) { struct cil_list_item *curr; int notfirst = 0; if (!list) { fprintf(out, "()"); return; } fprintf(out, "("); cil_list_for_each(curr, list) { if (notfirst) fprintf(out, " "); else notfirst = 1; fprintf(out, "%s", datum_to_str(curr->data)); } fprintf(out, ")"); } static void write_classperms(FILE *out, struct cil_classperms *cp) { if (!cp) { fprintf(out, "()"); return; } fprintf(out, "(%s ", datum_or_str(DATUM(cp->class), cp->class_str)); if (cp->perms) write_expr(out, cp->perms); else write_expr(out, cp->perm_strs); fprintf(out, ")"); } static void write_classperms_list(FILE *out, struct cil_list *cp_list) { struct cil_list_item *curr; int notfirst = 0; int num = 0; if (!cp_list) { fprintf(out, "()"); return; } cil_list_for_each(curr, cp_list) { num++; } if (num > 1) fprintf(out, "("); cil_list_for_each(curr, cp_list) { if (notfirst) fprintf(out, " "); else notfirst = 1; if (curr->flavor == CIL_CLASSPERMS) { write_classperms(out, curr->data); } else { struct cil_classperms_set *cp_set = curr->data; struct cil_classpermission *cp = cp_set->set; if (cp) { if (cp->datum.name) fprintf(out, "%s", datum_to_str(DATUM(cp))); else write_classperms_list(out,cp->classperms); } else { fprintf(out, "%s", cp_set->set_str); } } } if (num > 1) fprintf(out, ")"); } static void write_permx(FILE *out, struct cil_permissionx *permx) { if (permx->datum.name) { fprintf(out, "%s", datum_to_str(DATUM(permx))); } else { fprintf(out, "("); fprintf(out, "%s ", permx->kind == CIL_PERMX_KIND_IOCTL ? "ioctl" : ""); fprintf(out, "%s ", datum_or_str(DATUM(permx->obj), permx->obj_str)); write_expr(out, permx->expr_str); fprintf(out, ")"); } } static void write_cats(FILE *out, struct cil_cats *cats) { if (cats->datum_expr) { write_expr(out, cats->datum_expr); } else { write_expr(out, cats->str_expr); } } static void write_level(FILE *out, struct cil_level *level, int print_name) { if (print_name && level->datum.name) { fprintf(out, "%s", datum_to_str(DATUM(level))); } else { fprintf(out, "("); fprintf(out, "%s", datum_or_str(DATUM(level->sens), level->sens_str)); if (level->cats) { fprintf(out, " "); write_cats(out, level->cats); } fprintf(out, ")"); } } static void write_range(FILE *out, struct cil_levelrange *range, int print_name) { if (print_name && range->datum.name) { fprintf(out, "%s", datum_to_str(DATUM(range))); } else { fprintf(out, "("); if (range->low) write_level(out, range->low, CIL_TRUE); else fprintf(out, "%s", range->low_str); fprintf(out, " "); if (range->high) write_level(out, range->high, CIL_TRUE); else fprintf(out, "%s", range->high_str); fprintf(out, ")"); } } static void write_context(FILE *out, struct cil_context *context, int print_name) { if (print_name && context->datum.name) { fprintf(out, "%s", datum_to_str(DATUM(context))); } else { fprintf(out, "("); fprintf(out, "%s ", datum_or_str(DATUM(context->user), context->user_str)); fprintf(out, "%s ", datum_or_str(DATUM(context->role), context->role_str)); fprintf(out, "%s ", datum_or_str(DATUM(context->type), context->type_str)); if (context->range) write_range(out, context->range, CIL_TRUE); else fprintf(out, "%s", context->range_str); fprintf(out, ")"); } } static void write_ipaddr(FILE *out, struct cil_ipaddr *ipaddr) { if (ipaddr->datum.name) { fprintf(out, "%s", datum_to_str(DATUM(ipaddr))); } else { char buf[256]; if (inet_ntop(ipaddr->family, &ipaddr->ip, buf, 256) == NULL) strcpy(buf, ""); fprintf(out, "(%s)", buf); } } static void write_constrain(FILE *out, struct cil_constrain *cons) { write_classperms_list(out, cons->classperms); fprintf(out, " "); if (cons->datum_expr) write_expr(out, cons->datum_expr); else write_expr(out, cons->str_expr); } static void write_call_args(FILE *out, struct cil_list *args) { struct cil_list_item *item; int notfirst = 0; fprintf(out, "("); cil_list_for_each(item, args) { struct cil_args* arg = item->data; enum cil_flavor arg_flavor = arg->flavor; if (notfirst) fprintf(out, " "); else notfirst = 1; switch (arg_flavor) { case CIL_TYPE: case CIL_ROLE: case CIL_USER: case CIL_SENS: case CIL_CAT: case CIL_BOOL: case CIL_CLASS: case CIL_MAP_CLASS: case CIL_NAME: { fprintf(out, "%s", datum_or_str(arg->arg, arg->arg_str)); break; } case CIL_CATSET: { if (arg->arg) { struct cil_catset *catset = (struct cil_catset *)arg->arg; write_cats(out, catset->cats); } else { fprintf(out, "%s", arg->arg_str); } break; } case CIL_LEVEL: { if (arg->arg) { struct cil_level *level = (struct cil_level *)arg->arg; write_level(out, level, CIL_TRUE); } else { fprintf(out, "%s", arg->arg_str); } break; } case CIL_LEVELRANGE: { if (arg->arg) { struct cil_levelrange *range = (struct cil_levelrange *)arg->arg; write_range(out, range, CIL_TRUE); } else { fprintf(out, "%s", arg->arg_str); } break; } case CIL_IPADDR: { if (arg->arg) { struct cil_ipaddr *addr = (struct cil_ipaddr *)arg->arg; write_ipaddr(out, addr); } else { fprintf(out, "%s", arg->arg_str); } break; } case CIL_CLASSPERMISSION: { if (arg->arg) { struct cil_classpermission *cp = (struct cil_classpermission *)arg->arg; if (cp->datum.name) fprintf(out, "%s", datum_to_str(DATUM(cp))); else write_classperms_list(out, cp->classperms); } else { fprintf(out, "%s", arg->arg_str); } break; } default: fprintf(out, "", datum_or_str(arg->arg, arg->arg_str)); break; } } fprintf(out, ")"); } static void write_call_args_tree(FILE *out, struct cil_tree_node *arg_node) { while (arg_node) { if (arg_node->data) { fprintf(out, "%s", (char *)arg_node->data); } else if (arg_node->cl_head) { fprintf(out, "("); write_call_args_tree(out, arg_node->cl_head); fprintf(out, ")"); } if (arg_node->next) fprintf(out, " "); arg_node = arg_node->next; } } static const char *macro_param_flavor_to_string(enum cil_flavor flavor) { const char *str; switch(flavor) { case CIL_TYPE: str = CIL_KEY_TYPE; break; case CIL_ROLE: str = CIL_KEY_ROLE; break; case CIL_USER: str = CIL_KEY_USER; break; case CIL_SENS: str = CIL_KEY_SENSITIVITY; break; case CIL_CAT: str = CIL_KEY_CATEGORY; break; case CIL_CATSET: str = CIL_KEY_CATSET; break; case CIL_LEVEL: str = CIL_KEY_LEVEL; break; case CIL_LEVELRANGE: str = CIL_KEY_LEVELRANGE; break; case CIL_CLASS: str = CIL_KEY_CLASS; break; case CIL_IPADDR: str = CIL_KEY_IPADDR; break; case CIL_MAP_CLASS: str = CIL_KEY_MAP_CLASS; break; case CIL_CLASSPERMISSION: str = CIL_KEY_CLASSPERMISSION; break; case CIL_BOOL: str = CIL_KEY_BOOL; break; case CIL_STRING: str = CIL_KEY_STRING; break; case CIL_NAME: str = CIL_KEY_NAME; break; default: str = ""; break; } return str; } void cil_write_src_info_node(FILE *out, struct cil_tree_node *node) { struct cil_src_info *info = node->data; if (info->kind == CIL_KEY_SRC_CIL || info->kind == CIL_KEY_SRC_HLL_LMS) { fprintf(out, ";;* lms %u %s\n", info->hll_line, info->path); } else if (info->kind == CIL_KEY_SRC_HLL_LMX) { fprintf(out, ";;* lmx %u %s\n", info->hll_line, info->path); } else { fprintf(out, ";;* %u %s\n", info->hll_line, info->path); } } void cil_write_ast_node(FILE *out, struct cil_tree_node *node) { if (!node->data) { return; } switch(node->flavor) { case CIL_NODE: { fprintf(out, "%s\n", (char *)node->data); break; } case CIL_BLOCK: { struct cil_block *block = node->data; fprintf(out, "(block %s", datum_to_str(DATUM(block))); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_BLOCKINHERIT: { struct cil_blockinherit *inherit = node->data; fprintf(out, "(blockinherit %s)\n", datum_or_str(DATUM(inherit->block), inherit->block_str)); break; } case CIL_IN: { struct cil_in *in = node->data; fprintf(out, "(in %s", in->block_str); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_OPTIONAL: { struct cil_optional *optional = node->data; fprintf(out, "(optional %s", datum_to_str(DATUM(optional))); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_BOOLEANIF: { struct cil_booleanif *bif = node->data; fprintf(out, "(booleanif "); if (bif->datum_expr) write_expr(out, bif->datum_expr); else write_expr(out, bif->str_expr); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_TUNABLEIF: { struct cil_tunableif *tif = node->data; fprintf(out, "(tunableif "); if (tif->datum_expr) write_expr(out, tif->datum_expr); else write_expr(out, tif->str_expr); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_CONDBLOCK: { struct cil_condblock *cb = node->data; fprintf(out, "(%s", cb->flavor == CIL_CONDTRUE ? "true" : "false"); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_MACRO: { struct cil_macro *macro = node->data; struct cil_list_item *curr; fprintf(out, "(macro %s (", datum_to_str(DATUM(macro))); if (macro->params) { cil_list_for_each(curr, macro->params) { struct cil_param *param = curr->data; fprintf(out, "(%s %s)", macro_param_flavor_to_string(param->flavor), param->str); } } fprintf(out, ")"); if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_CALL: { struct cil_call *call = node->data; fprintf(out, "(call %s", datum_or_str(DATUM(call->macro), call->macro_str)); if (call->args) { fprintf(out, " "); write_call_args(out, call->args); } else if (call->args_tree) { fprintf(out, " "); write_call_args_tree(out, call->args_tree->root); } if (!node->cl_head) fprintf(out, ")"); fprintf(out, "\n"); break; } case CIL_BLOCKABSTRACT: { struct cil_blockabstract *abstract = node->data; fprintf(out, "(blockabstract %s)\n", abstract->block_str); break; } case CIL_MLS: { struct cil_mls *mls = node->data; fprintf(out, "(mls %s)\n", mls->value ? "true" : "false"); break; } case CIL_HANDLEUNKNOWN: { struct cil_handleunknown *unknown = node->data; fprintf(out, "(handleunknown "); if (unknown->handle_unknown == SEPOL_ALLOW_UNKNOWN) fprintf(out, "%s", CIL_KEY_HANDLEUNKNOWN_ALLOW); else if (unknown->handle_unknown == SEPOL_DENY_UNKNOWN) fprintf(out, "%s", CIL_KEY_HANDLEUNKNOWN_DENY); else if (unknown->handle_unknown == SEPOL_REJECT_UNKNOWN) fprintf(out, "%s", CIL_KEY_HANDLEUNKNOWN_REJECT); else fprintf(out, ""); fprintf(out, ")\n"); break; } case CIL_DEFAULTUSER: { struct cil_default *def = node->data; fprintf(out, "(defaultuser "); if (def->class_datums) write_datum_list(out, def->class_datums); else write_string_list(out, def->class_strs); if (def->object == CIL_DEFAULT_SOURCE) fprintf(out, " source"); else if (def->object == CIL_DEFAULT_TARGET) fprintf(out, " target"); else fprintf(out, " "); fprintf(out, ")\n"); break; } case CIL_DEFAULTROLE: { struct cil_default *def = node->data; fprintf(out, "(defaultrole "); if (def->class_datums) write_datum_list(out, def->class_datums); else write_string_list(out, def->class_strs); if (def->object == CIL_DEFAULT_SOURCE) fprintf(out, " source"); else if (def->object == CIL_DEFAULT_TARGET) fprintf(out, " target"); else fprintf(out, " "); fprintf(out, ")\n"); break; } case CIL_DEFAULTTYPE: { struct cil_default *def = node->data; fprintf(out, "(defaulttype "); if (def->class_datums) write_datum_list(out, def->class_datums); else write_string_list(out, def->class_strs); if (def->object == CIL_DEFAULT_SOURCE) fprintf(out, " source"); else if (def->object == CIL_DEFAULT_TARGET) fprintf(out, " target"); else fprintf(out, " "); fprintf(out, ")\n"); break; } case CIL_DEFAULTRANGE: { struct cil_defaultrange *def = node->data; fprintf(out, "(defaultrange "); if (def->class_datums) write_datum_list(out, def->class_datums); else write_string_list(out, def->class_strs); if (def->object_range == CIL_DEFAULT_SOURCE_LOW) fprintf(out, " source low"); else if (def->object_range == CIL_DEFAULT_SOURCE_HIGH) fprintf(out, " source high"); else if (def->object_range == CIL_DEFAULT_SOURCE_LOW_HIGH) fprintf(out, " source low-high"); else if (def->object_range == CIL_DEFAULT_TARGET_LOW) fprintf(out, " target low"); else if (def->object_range == CIL_DEFAULT_TARGET_HIGH) fprintf(out, " target high"); else if (def->object_range == CIL_DEFAULT_TARGET_LOW_HIGH) fprintf(out, " target low-high"); else fprintf(out, " "); fprintf(out, ")\n"); break; } case CIL_CLASS: { struct cil_class *class = node->data; fprintf(out, "(class %s ", datum_to_str(DATUM(class))); write_node_list(out, node->cl_head); fprintf(out, ")\n"); break; } case CIL_CLASSORDER: { struct cil_classorder *classorder = node->data; fprintf(out, "(classorder "); write_string_list(out, classorder->class_list_str); fprintf(out, ")\n"); break; } case CIL_COMMON: { struct cil_class *common = node->data; fprintf(out, "(common %s ", datum_to_str(DATUM(common))); write_node_list(out, node->cl_head); fprintf(out, ")\n"); break; } case CIL_CLASSCOMMON: { struct cil_classcommon *cc = node->data; fprintf(out, "(classcommon %s %s)\n", cc->class_str, cc->common_str); break; } case CIL_CLASSPERMISSION: { struct cil_classpermission *cp = node->data; fprintf(out, "(classpermission %s)\n", datum_to_str(DATUM(cp))); break; } case CIL_CLASSPERMISSIONSET: { struct cil_classpermissionset *cps = node->data; fprintf(out, "(classpermissionset %s ", cps->set_str); write_classperms_list(out, cps->classperms); fprintf(out, ")\n"); break; } case CIL_MAP_CLASS: { struct cil_class *map = node->data; fprintf(out, "(classmap %s ", datum_to_str(DATUM(map))); write_node_list(out, node->cl_head); fprintf(out, ")\n"); break; } case CIL_CLASSMAPPING: { struct cil_classmapping *mapping = node->data; fprintf(out, "(classmapping %s %s ", mapping->map_class_str, mapping->map_perm_str); write_classperms_list(out, mapping->classperms); fprintf(out, ")\n"); break; } case CIL_PERMISSIONX: { struct cil_permissionx *permx = node->data; fprintf(out, "(permissionx %s (", datum_to_str(DATUM(permx))); fprintf(out, "%s ", permx->kind == CIL_PERMX_KIND_IOCTL ? "ioctl" : ""); fprintf(out, "%s ", datum_or_str(DATUM(permx->obj), permx->obj_str)); write_expr(out, permx->expr_str); fprintf(out, "))\n"); break; } case CIL_SID: { struct cil_sid *sid = node->data; fprintf(out, "(sid %s)\n", datum_to_str(DATUM(sid))); break; } case CIL_SIDCONTEXT: { struct cil_sidcontext *sidcon = node->data; fprintf(out, "(sidcontext %s ", sidcon->sid_str); if (sidcon->context) write_context(out, sidcon->context, CIL_TRUE); else fprintf(out, "%s", sidcon->context_str); fprintf(out, ")\n"); break; } case CIL_SIDORDER: { struct cil_sidorder *sidorder = node->data; fprintf(out, "(sidorder "); write_string_list(out, sidorder->sid_list_str); fprintf(out, ")\n"); break; } case CIL_BOOL: { struct cil_bool *boolean = node->data; fprintf(out, "(boolean %s %s)\n", datum_to_str(DATUM(boolean)), boolean->value ? "true" : "false"); break; } case CIL_TUNABLE: { struct cil_tunable *tunable = node->data; fprintf(out, "(tunable %s %s)\n", datum_to_str(DATUM(tunable)), tunable->value ? "true" : "false"); break; } case CIL_SENS: { struct cil_sens *sens = node->data; fprintf(out, "(sensitivity %s)\n", datum_to_str(DATUM(sens))); break; } case CIL_SENSALIAS: { struct cil_alias *alias = node->data; fprintf(out, "(sensitivityalias %s)\n", datum_to_str(DATUM(alias))); break; } case CIL_SENSALIASACTUAL: { struct cil_aliasactual *aliasactual = node->data; fprintf(out, "(sensitivityaliasactual %s %s)\n", aliasactual->alias_str, aliasactual->actual_str); break; } case CIL_CAT: { struct cil_cat *cat = node->data; fprintf(out, "(category %s)\n", datum_to_str(DATUM(cat))); break; } case CIL_CATALIAS: { struct cil_alias *alias = node->data; fprintf(out, "(categoryalias %s)\n", datum_to_str(DATUM(alias))); break; } case CIL_CATALIASACTUAL: { struct cil_aliasactual *aliasactual = node->data; fprintf(out, "(categoryaliasactual %s %s)\n", aliasactual->alias_str, aliasactual->actual_str); break; } case CIL_CATSET: { struct cil_catset *catset = node->data; fprintf(out, "(categoryset %s ", datum_to_str(DATUM(catset))); write_cats(out, catset->cats); fprintf(out, ")\n"); break; } case CIL_CATORDER: { struct cil_catorder *catorder = node->data; fprintf(out, "(categoryorder "); write_string_list(out, catorder->cat_list_str); fprintf(out, ")\n"); break; } case CIL_SENSCAT: { struct cil_senscat *senscat = node->data; fprintf(out, "(sensitivitycategory "); fprintf(out, "%s ", senscat->sens_str); write_cats(out, senscat->cats); fprintf(out, ")\n"); break; } case CIL_SENSITIVITYORDER: { struct cil_sensorder *sensorder = node->data; fprintf(out, "(sensitivityorder "); write_string_list(out, sensorder->sens_list_str); fprintf(out, ")\n"); break; } case CIL_LEVEL: { struct cil_level *level = node->data; fprintf(out, "(level %s ", datum_to_str(&level->datum)); write_level(out, level, CIL_FALSE); fprintf(out, ")\n"); break; } case CIL_LEVELRANGE: { struct cil_levelrange *lvlrange = node->data; fprintf(out, "(levelrange %s ", datum_to_str(DATUM(lvlrange))); write_range(out, lvlrange, CIL_FALSE); fprintf(out, ")\n"); break; } case CIL_USER: { struct cil_user *user = node->data; fprintf(out, "(user %s)\n", datum_to_str(DATUM(user))); break; } case CIL_USERATTRIBUTE: { struct cil_userattribute *attr = node->data; fprintf(out, "(userattribute %s)\n", datum_to_str(DATUM(attr))); break; } case CIL_USERATTRIBUTESET: { struct cil_userattributeset *attr = node->data; fprintf(out, "(userattributeset %s ", attr->attr_str); if (attr->datum_expr) write_expr(out, attr->datum_expr); else write_expr(out, attr->str_expr); fprintf(out, ")\n"); break; } case CIL_USERROLE: { struct cil_userrole *userrole = node->data; fprintf(out, "(userrole "); fprintf(out, "%s ", datum_or_str(userrole->user, userrole->user_str)); fprintf(out, "%s", datum_or_str(userrole->role, userrole->role_str)); fprintf(out, ")\n"); break; } case CIL_USERLEVEL: { struct cil_userlevel *userlevel = node->data; fprintf(out, "(userlevel %s ", userlevel->user_str); if (userlevel->level) write_level(out, userlevel->level, CIL_TRUE); else fprintf(out, "%s", userlevel->level_str); fprintf(out, ")\n"); break; } case CIL_USERRANGE: { struct cil_userrange *userrange = node->data; fprintf(out, "(userrange %s ", userrange->user_str); if (userrange->range) write_range(out, userrange->range, CIL_TRUE); else fprintf(out, "%s", userrange->range_str); fprintf(out, ")\n"); break; } case CIL_USERBOUNDS: { struct cil_bounds *bounds = node->data; fprintf(out, "(userbounds %s %s)\n", bounds->parent_str, bounds->child_str); break; } case CIL_USERPREFIX: { struct cil_userprefix *prefix = node->data; fprintf(out, "(userprefix "); fprintf(out, "%s ", datum_or_str(DATUM(prefix->user), prefix->user_str)); fprintf(out, "%s)\n", prefix->prefix_str); break; } case CIL_SELINUXUSER: { struct cil_selinuxuser *selinuxuser = node->data; fprintf(out, "(selinuxuser %s ", selinuxuser->name_str); fprintf(out, "%s ", datum_or_str(DATUM(selinuxuser->user), selinuxuser->user_str)); if (selinuxuser->range) write_range(out, selinuxuser->range, CIL_TRUE); else fprintf(out, "%s", selinuxuser->range_str); fprintf(out, ")\n"); break; } case CIL_SELINUXUSERDEFAULT: { struct cil_selinuxuser *selinuxuser = node->data; fprintf(out, "(selinuxuserdefault "); fprintf(out, "%s ", datum_or_str(DATUM(selinuxuser->user), selinuxuser->user_str)); if (selinuxuser->range) write_range(out, selinuxuser->range, CIL_TRUE); else fprintf(out, "%s", selinuxuser->range_str); fprintf(out, ")\n"); break; } case CIL_ROLE: { fprintf(out, "(role %s)\n", datum_to_str(node->data)); break; } case CIL_ROLEATTRIBUTE: { fprintf(out, "(roleattribute %s)\n", datum_to_str(node->data)); break; } case CIL_ROLEATTRIBUTESET: { struct cil_roleattributeset *attr = node->data; fprintf(out, "(roleattributeset %s ", attr->attr_str); if (attr->datum_expr) write_expr(out, attr->datum_expr); else write_expr(out, attr->str_expr); fprintf(out, ")\n"); break; } case CIL_ROLETYPE: { struct cil_roletype *roletype = node->data; fprintf(out, "(roletype "); fprintf(out, "%s ", datum_or_str(DATUM(roletype->role), roletype->role_str)); fprintf(out, "%s", datum_or_str(DATUM(roletype->type), roletype->type_str)); fprintf(out, ")\n"); break; } case CIL_ROLEBOUNDS: { struct cil_bounds *bnds = node->data; fprintf(out, "(rolebounds %s %s)\n", bnds->parent_str, bnds->child_str); break; } case CIL_TYPE: { fprintf(out, "(type %s)\n", datum_to_str(node->data)); break; } case CIL_TYPEALIAS: { fprintf(out, "(typealias %s)\n", datum_to_str(node->data)); break; } case CIL_TYPEALIASACTUAL: { struct cil_aliasactual *aliasactual = node->data; fprintf(out, "(typealiasactual %s %s)\n", aliasactual->alias_str, aliasactual->actual_str); break; } case CIL_TYPEATTRIBUTE: { fprintf(out, "(typeattribute %s)\n", datum_to_str(node->data)); break; } case CIL_TYPEATTRIBUTESET: { struct cil_typeattributeset *attr = node->data; fprintf(out, "(typeattributeset %s ", attr->attr_str); if (attr->datum_expr) write_expr(out, attr->datum_expr); else write_expr(out, attr->str_expr); fprintf(out, ")\n"); break; } case CIL_EXPANDTYPEATTRIBUTE: { struct cil_expandtypeattribute *attr = node->data; fprintf(out, "(expandtypeattribute "); if (attr->attr_datums) write_expr(out, attr->attr_datums); else write_expr(out, attr->attr_strs); fprintf(out, " %s)\n", attr->expand ? "true" : "false"); break; } case CIL_TYPEPERMISSIVE: { struct cil_typepermissive *tp = node->data; fprintf(out, "(typepermissive "); fprintf(out, "%s", datum_or_str(DATUM(tp->type), tp->type_str)); fprintf(out, ")\n"); break; } case CIL_TYPEBOUNDS: { struct cil_bounds *bounds = node->data; fprintf(out, "(typebounds %s %s)\n", bounds->parent_str, bounds->child_str); break; } case CIL_ROLEALLOW: { struct cil_roleallow *roleallow = node->data; fprintf(out, "(roleallow "); fprintf(out, "%s ", datum_or_str(DATUM(roleallow->src), roleallow->src_str)); fprintf(out, "%s", datum_or_str(DATUM(roleallow->tgt), roleallow->tgt_str)); fprintf(out, ")\n"); break; } case CIL_ROLETRANSITION: { struct cil_roletransition *roletrans = node->data; fprintf(out, "(roletransition "); fprintf(out, "%s ", datum_or_str(DATUM(roletrans->src), roletrans->src_str)); fprintf(out, "%s ", datum_or_str(DATUM(roletrans->tgt), roletrans->tgt_str)); fprintf(out, "%s ", datum_or_str(DATUM(roletrans->obj), roletrans->obj_str)); fprintf(out, "%s", datum_or_str(DATUM(roletrans->result), roletrans->result_str)); fprintf(out, ")\n"); break; } case CIL_AVRULE: { struct cil_avrule *rule = node->data; if (rule->rule_kind == AVRULE_ALLOWED) fprintf(out, "(allow "); else if (rule->rule_kind == AVRULE_AUDITALLOW) fprintf(out, "(auditallow "); else if (rule->rule_kind == AVRULE_DONTAUDIT) fprintf(out, "(dontaudit "); else if (rule->rule_kind == AVRULE_NEVERALLOW) fprintf(out, "(neverallow "); else fprintf(out, "( "); fprintf(out, "%s ", datum_or_str(DATUM(rule->src), rule->src_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->tgt), rule->tgt_str)); write_classperms_list(out, rule->perms.classperms); fprintf(out, ")\n"); break; } case CIL_AVRULEX: { struct cil_avrule *rule = node->data; if (rule->rule_kind == AVRULE_ALLOWED) fprintf(out, "(allowx "); else if (rule->rule_kind == AVRULE_AUDITALLOW) fprintf(out, "(auditallowx "); else if (rule->rule_kind == AVRULE_DONTAUDIT) fprintf(out, "(dontauditx "); else if (rule->rule_kind == AVRULE_NEVERALLOW) fprintf(out, "(neverallowx "); else fprintf(out, "( "); fprintf(out, "%s ", datum_or_str(DATUM(rule->src), rule->src_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->tgt), rule->tgt_str)); if (rule->perms.x.permx_str) { fprintf(out, "%s",rule->perms.x.permx_str); } else { write_permx(out, rule->perms.x.permx); } fprintf(out, ")\n"); break; } case CIL_TYPE_RULE: { struct cil_type_rule *rule = node->data; if (rule->rule_kind == AVRULE_TRANSITION) fprintf(out, "(typetransition "); else if (rule->rule_kind == AVRULE_MEMBER) fprintf(out, "(typemember "); else if (rule->rule_kind == AVRULE_CHANGE) fprintf(out, "(typechange "); else fprintf(out, "( "); fprintf(out, "%s ", datum_or_str(DATUM(rule->src), rule->src_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->tgt), rule->tgt_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->obj), rule->obj_str)); fprintf(out, "%s", datum_or_str(DATUM(rule->result), rule->result_str)); fprintf(out, ")\n"); break; } case CIL_NAMETYPETRANSITION: { struct cil_nametypetransition *rule = node->data; fprintf(out, "(typetransition "); fprintf(out, "%s ", datum_or_str(DATUM(rule->src), rule->src_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->tgt), rule->tgt_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->obj), rule->obj_str)); fprintf(out, "\"%s\" ", datum_or_str(DATUM(rule->name), rule->name_str)); fprintf(out, "%s", datum_or_str(DATUM(rule->result), rule->result_str)); fprintf(out, ")\n"); break; } case CIL_RANGETRANSITION: { struct cil_rangetransition *rule = node->data; fprintf(out, "(rangetransition "); fprintf(out, "%s ", datum_or_str(DATUM(rule->src), rule->src_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->exec), rule->exec_str)); fprintf(out, "%s ", datum_or_str(DATUM(rule->obj), rule->obj_str)); if (rule->range) write_range(out, rule->range, CIL_TRUE); else fprintf(out, "%s", rule->range_str); fprintf(out, ")\n"); break; } case CIL_CONSTRAIN: { struct cil_constrain *cons = node->data; fprintf(out, "(constrain "); write_constrain(out, cons); fprintf(out, ")\n"); break; } case CIL_MLSCONSTRAIN: { struct cil_constrain *cons = node->data; fprintf(out, "(mlsconstrain "); write_constrain(out, cons); fprintf(out, ")\n"); break; } case CIL_VALIDATETRANS: { struct cil_validatetrans *vt = node->data; fprintf(out, "(validatetrans "); fprintf(out, "%s ", datum_or_str(DATUM(vt->class), vt->class_str)); if (vt->datum_expr) write_expr(out, vt->datum_expr); else write_expr(out, vt->str_expr); fprintf(out, ")\n"); break; } case CIL_MLSVALIDATETRANS: { struct cil_validatetrans *vt = node->data; fprintf(out, "(mlsvalidatetrans "); fprintf(out, "%s ", datum_or_str(DATUM(vt->class), vt->class_str)); if (vt->datum_expr) write_expr(out, vt->datum_expr); else write_expr(out, vt->str_expr); fprintf(out, ")\n"); break; } case CIL_CONTEXT: { struct cil_context *context = node->data; fprintf(out, "(context %s ", datum_to_str(DATUM(context))); write_context(out, context, CIL_FALSE); fprintf(out, ")\n"); break; } case CIL_FILECON: { struct cil_filecon *filecon = node->data; fprintf(out, "(filecon "); fprintf(out, "\"%s\" ", filecon->path_str); if (filecon->type == CIL_FILECON_FILE) fprintf(out, "%s ", CIL_KEY_FILE); else if (filecon->type == CIL_FILECON_DIR) fprintf(out, "%s ", CIL_KEY_DIR); else if (filecon->type == CIL_FILECON_CHAR) fprintf(out, "%s ", CIL_KEY_CHAR); else if (filecon->type == CIL_FILECON_BLOCK) fprintf(out, "%s ", CIL_KEY_BLOCK); else if (filecon->type == CIL_FILECON_SOCKET) fprintf(out, "%s ", CIL_KEY_SOCKET); else if (filecon->type == CIL_FILECON_PIPE) fprintf(out, "%s ", CIL_KEY_PIPE); else if (filecon->type == CIL_FILECON_SYMLINK) fprintf(out, "%s ", CIL_KEY_SYMLINK); else if (filecon->type == CIL_FILECON_ANY) fprintf(out, "%s ", CIL_KEY_ANY); else fprintf(out, " "); if (filecon->context) write_context(out, filecon->context, CIL_TRUE); else if (filecon->context_str) fprintf(out, "%s", filecon->context_str); else fprintf(out, "()"); fprintf(out, ")\n"); break; } case CIL_IBPKEYCON: { struct cil_ibpkeycon *ibpkeycon = node->data; fprintf(out, "(ibpkeycon %s ", ibpkeycon->subnet_prefix_str); fprintf(out, "(%d %d) ", ibpkeycon->pkey_low, ibpkeycon->pkey_high); if (ibpkeycon->context) write_context(out, ibpkeycon->context, CIL_TRUE); else if (ibpkeycon->context_str) fprintf(out, "%s", ibpkeycon->context_str); fprintf(out, ")\n"); break; } case CIL_PORTCON: { struct cil_portcon *portcon = node->data; fprintf(out, "(portcon "); if (portcon->proto == CIL_PROTOCOL_UDP) fprintf(out, " udp "); else if (portcon->proto == CIL_PROTOCOL_TCP) fprintf(out, " tcp "); else if (portcon->proto == CIL_PROTOCOL_DCCP) fprintf(out, "dccp "); else if (portcon->proto == CIL_PROTOCOL_SCTP) fprintf(out, "sctp "); else fprintf(out, " "); if (portcon->port_low == portcon->port_high) fprintf(out, "%d ", portcon->port_low); else fprintf(out, "(%d %d) ", portcon->port_low, portcon->port_high); if (portcon->context) write_context(out, portcon->context, CIL_TRUE); else fprintf(out, "%s", portcon->context_str); fprintf(out, ")\n"); break; } case CIL_NODECON: { struct cil_nodecon *nodecon = node->data; fprintf(out, "(nodecon "); if (nodecon->addr) write_ipaddr(out, nodecon->addr); else fprintf(out, "%s ", nodecon->addr_str); fprintf(out, " "); if (nodecon->mask) write_ipaddr(out, nodecon->mask); else fprintf(out, "%s ", nodecon->mask_str); fprintf(out, " "); if (nodecon->context) write_context(out, nodecon->context, CIL_TRUE); else fprintf(out, "%s", nodecon->context_str); fprintf(out, ")\n"); break; } case CIL_GENFSCON: { struct cil_genfscon *genfscon = node->data; fprintf(out, "(genfscon "); fprintf(out, "%s \"%s\" ", genfscon->fs_str, genfscon->path_str); if (genfscon->context) write_context(out, genfscon->context, CIL_TRUE); else fprintf(out, "%s", genfscon->context_str); fprintf(out, ")\n"); break; } case CIL_NETIFCON: { struct cil_netifcon *netifcon = node->data; fprintf(out, "(netifcon %s ", netifcon->interface_str); if (netifcon->if_context) write_context(out, netifcon->if_context, CIL_TRUE); else fprintf(out, "%s", netifcon->if_context_str); fprintf(out, " "); if (netifcon->packet_context) write_context(out, netifcon->packet_context, CIL_TRUE); else fprintf(out, "%s", netifcon->packet_context_str); fprintf(out, ")\n"); break; } case CIL_IBENDPORTCON: { struct cil_ibendportcon *ibendportcon = node->data; fprintf(out, "(ibendportcon %s %u ", ibendportcon->dev_name_str, ibendportcon->port); if (ibendportcon->context) write_context(out, ibendportcon->context, CIL_TRUE); else fprintf(out, "%s", ibendportcon->context_str); fprintf(out, ")\n"); break; } case CIL_PIRQCON: { struct cil_pirqcon *pirqcon = node->data; fprintf(out, "(pirqcon %d ", pirqcon->pirq); if (pirqcon->context) write_context(out, pirqcon->context, CIL_TRUE); else fprintf(out, "%s", pirqcon->context_str); fprintf(out, ")\n"); break; } case CIL_IOMEMCON: { struct cil_iomemcon *iomemcon = node->data; fprintf(out, "(iomemcon (%"PRId64" %"PRId64") ", iomemcon->iomem_low, iomemcon->iomem_high); if (iomemcon->context) write_context(out, iomemcon->context, CIL_TRUE); else fprintf(out, "%s", iomemcon->context_str); fprintf(out, ")\n"); break; } case CIL_IOPORTCON: { struct cil_ioportcon *ioportcon = node->data; fprintf(out, "(ioportcon "); if (ioportcon->ioport_low == ioportcon->ioport_high) fprintf(out, "%d ", ioportcon->ioport_low); else fprintf(out, "(%d %d) ", ioportcon->ioport_low, ioportcon->ioport_high); if (ioportcon->context) write_context(out, ioportcon->context, CIL_TRUE); else fprintf(out, "%s", ioportcon->context_str); fprintf(out, ")\n"); break; } case CIL_PCIDEVICECON: { struct cil_pcidevicecon *pcidevicecon = node->data; fprintf(out, "(pcidevicecon %d ", pcidevicecon->dev); if (pcidevicecon->context) write_context(out, pcidevicecon->context, CIL_TRUE); else fprintf(out, "%s", pcidevicecon->context_str); fprintf(out, ")\n"); break; } case CIL_DEVICETREECON: { struct cil_devicetreecon *devicetreecon = node->data; fprintf(out, "(devicetreecon \"%s\" ", devicetreecon->path); if (devicetreecon->context) write_context(out, devicetreecon->context, CIL_TRUE); else fprintf(out, "%s", devicetreecon->context_str); fprintf(out, ")\n"); break; } case CIL_FSUSE: { struct cil_fsuse *fsuse = node->data; fprintf(out, "(fsuse "); if (fsuse->type == CIL_FSUSE_XATTR) fprintf(out, "xattr "); else if (fsuse->type == CIL_FSUSE_TASK) fprintf(out, "task "); else if (fsuse->type == CIL_FSUSE_TRANS) fprintf(out, "trans "); else fprintf(out, " "); fprintf(out, "%s ", fsuse->fs_str); if (fsuse->context) write_context(out, fsuse->context, CIL_TRUE); else fprintf(out, "%s", fsuse->context_str); fprintf(out, ")\n"); break; } case CIL_POLICYCAP: { struct cil_policycap *polcap = node->data; fprintf(out, "(policycap %s)\n", polcap->datum.name); break; } case CIL_IPADDR: { struct cil_ipaddr *ipaddr = node->data; char buf[256]; if (inet_ntop(ipaddr->family, &ipaddr->ip, buf, 256) == NULL) strcpy(buf, ""); fprintf(out, "(ipaddr %s %s)\n", datum_to_str(&ipaddr->datum), buf); break; } default : fprintf(out, "()\n", cil_node_to_string(node)); break; } } /* * Tree walk data and helper functions for writing the AST of the various phases */ struct cil_write_ast_args { FILE *out; int depth; }; /* * Helper functions for writing the parse AST */ static int __write_parse_ast_node_helper(struct cil_tree_node *node, __attribute__((unused)) uint32_t *finished, void *extra_args) { struct cil_write_ast_args *args = extra_args; fprintf(args->out, "%*s", args->depth*4, ""); if (!node->data) { if (node->cl_head) fprintf(args->out, "(\n"); else fprintf(args->out, "()\n"); } else { char *str = (char *)node->data; size_t len = strlen(str); size_t i; for (i = 0; i < len; i++) { if (isspace(str[i])) { fprintf(args->out, "\"%s\"\n", str); return SEPOL_OK; } } fprintf(args->out, "%s\n", (char *)node->data); } return SEPOL_OK; } static int __write_parse_ast_first_child_helper(struct cil_tree_node *node, void *extra_args) { struct cil_write_ast_args *args = extra_args; struct cil_tree_node *parent = node->parent; if (parent->flavor != CIL_ROOT) { args->depth++; } return SEPOL_OK; } static int __write_parse_ast_last_child_helper(struct cil_tree_node *node, void *extra_args) { struct cil_write_ast_args *args = extra_args; struct cil_tree_node *parent = node->parent; if (parent->flavor == CIL_ROOT) { return SEPOL_OK; } args->depth--; fprintf(args->out, "%*s", args->depth*4, ""); fprintf(args->out, ")\n"); return SEPOL_OK; } /* * Helper functions for writing the CIL AST for the build and resolve phases */ static int __write_cil_ast_node_helper(struct cil_tree_node *node, uint32_t *finished, void *extra_args) { struct cil_write_ast_args *args = extra_args; if (node->flavor == CIL_SRC_INFO) { cil_write_src_info_node(args->out, node); return SEPOL_OK; } fprintf(args->out, "%*s", args->depth*4, ""); cil_write_ast_node(args->out, node); if (node->flavor == CIL_CLASS || node->flavor == CIL_COMMON || node->flavor == CIL_MAP_CLASS) { *finished = CIL_TREE_SKIP_HEAD; } return SEPOL_OK; } static int __write_cil_ast_first_child_helper(struct cil_tree_node *node, void *extra_args) { struct cil_write_ast_args *args = extra_args; struct cil_tree_node *parent = node->parent; if (parent->flavor != CIL_SRC_INFO && parent->flavor != CIL_ROOT) { args->depth++; } return SEPOL_OK; } static int __write_cil_ast_last_child_helper(struct cil_tree_node *node, void *extra_args) { struct cil_write_ast_args *args = extra_args; struct cil_tree_node *parent = node->parent; if (parent->flavor == CIL_ROOT) { return SEPOL_OK; } else if (parent->flavor == CIL_SRC_INFO) { fprintf(args->out, ";;* lme\n"); return SEPOL_OK; } args->depth--; fprintf(args->out, "%*s", args->depth*4, ""); fprintf(args->out, ")\n"); return SEPOL_OK; } int cil_write_ast(FILE *out, enum cil_write_ast_phase phase, struct cil_tree_node *node) { struct cil_write_ast_args extra_args; int rc; extra_args.out = out; extra_args.depth = 0; if (phase == CIL_WRITE_AST_PHASE_PARSE) { rc = cil_tree_walk(node, __write_parse_ast_node_helper, __write_parse_ast_first_child_helper, __write_parse_ast_last_child_helper, &extra_args); } else { rc = cil_tree_walk(node, __write_cil_ast_node_helper, __write_cil_ast_first_child_helper, __write_cil_ast_last_child_helper, &extra_args); } if (rc != SEPOL_OK) { cil_log(CIL_ERR, "Failed to write AST\n"); return SEPOL_ERR; } return SEPOL_OK; }