*******************************************************************************/
#include "php_psi_stdinc.h"
+#include "php_psi.h"
#include <dlfcn.h>
+#include <fnmatch.h>
+
+#include <Zend/zend_smart_str.h>
+
#include "data.h"
#define PSI_FUNC_REDIRS
struct psi_decl *psi_decl_init(struct psi_decl_arg *func, struct psi_plist *args)
{
- struct psi_decl *d = calloc(1, sizeof(*d));
+ struct psi_decl *d = pecalloc(1, sizeof(*d), 1);
d->func = func;
d->args = args;
if (d->args) {
psi_plist_free(d->args);
}
+ if (d->redir) {
+ zend_string_release(d->redir);
+ }
free(d);
}
}
-void psi_decl_dump(int fd, struct psi_decl *decl)
+void psi_decl_dump(struct psi_dump *dump, struct psi_decl *decl)
{
- psi_decl_abi_dump(fd, decl->abi);
- dprintf(fd, " ");
- psi_decl_arg_dump(fd, decl->func, 0);
- dprintf(fd, "(");
+ if (decl->abi) {
+ psi_decl_abi_dump(dump, decl->abi);
+ }
+ PSI_DUMP(dump, " ");
+ /* FIXME: functions returning arrays */
+ psi_decl_arg_dump(dump, decl->func, 0);
+ PSI_DUMP(dump, "(");
if (decl->args) {
size_t i;
struct psi_decl_arg *arg;
for (i = 0; psi_plist_get(decl->args, i, &arg); ++i) {
if (i) {
- dprintf(fd, ", ");
+ PSI_DUMP(dump, ", ");
}
- psi_decl_arg_dump(fd, arg, 0);
+ psi_decl_arg_dump(dump, arg, 0);
}
if (decl->varargs) {
- dprintf(fd, ", ...");
+ PSI_DUMP(dump, ", ...");
}
}
- dprintf(fd, ");");
+ if (decl->func->var->array_size) {
+ PSI_DUMP(dump, ")[%u]", decl->func->var->array_size);
+ }
+ if (decl->redir) {
+ PSI_DUMP(dump, ") __asm__ (\"%s\");", decl->redir->val);
+ } else {
+ PSI_DUMP(dump, ");");
+ }
}
static inline bool psi_decl_validate_func(struct psi_data *data,
- struct psi_decl *decl, struct psi_decl_arg *func, void *dl)
+ struct psi_decl *decl, struct psi_decl_arg *func)
{
struct psi_func_redir *redir;
- if (!strcmp(func->var->name, "dlsym")) {
- data->error(data, func->token, PSI_WARNING,
- "Cannot dlsym dlsym (sic!)");
+ if (!func->var->name) {
+ data->error(data, func->token, PSI_WARNING, "Cannot load anonymous decl");
return false;
}
for (redir = &psi_func_redirs[0]; redir->name; ++redir) {
- if (!strcmp(func->var->name, redir->name)) {
+ if (!strcmp(func->var->name->val, redir->name)) {
decl->sym = redir->func;
+ break;
}
}
if (!decl->sym) {
-#ifndef RTLD_NEXT
-# define RTLD_NEXT ((void *) -1l)
-#endif
-#ifndef RTLD_DEFAULT
-# define RTLD_DEFAULT ((void *) 0)
-#endif
- decl->sym = dlsym(dl ?: RTLD_DEFAULT, func->var->name);
- if (!decl->sym) {
- data->error(data, func->token, PSI_WARNING,
- "Failed to locate symbol '%s': %s", func->var->name,
- dlerror() ?: "not found");
- return false;
- }
+ decl->sym = psi_dlsym(data->file.dlopened, func->var->name->val,
+ decl->redir ? decl->redir->val : NULL);
+ }
+ if (!decl->sym) {
+ data->error(data, func->token, PSI_WARNING,
+ "Failed to locate symbol '%s(%s)': %s",
+ func->var->name->val,
+ decl->redir ? decl->redir->val : "",
+ dlerror() ?: "not found");
+ return false;
}
return true;
}
-bool psi_decl_validate(struct psi_data *data, struct psi_decl *decl, void *dl,
- struct psi_validate_stack *type_stack)
+bool psi_decl_validate(struct psi_data *data, struct psi_decl *decl,
+ struct psi_validate_scope *scope)
{
- if (!psi_decl_validate_nodl(data, decl, type_stack)) {
+ if (!psi_decl_validate_nodl(data, decl, scope)) {
return false;
}
- if (!psi_decl_validate_func(data, decl, decl->func, dl)) {
+ if (!psi_decl_validate_func(data, decl, decl->func)) {
return false;
}
}
bool psi_decl_validate_nodl(struct psi_data *data, struct psi_decl *decl,
- struct psi_validate_stack *type_stack)
+ struct psi_validate_scope *scope)
{
if (!decl->abi) {
- decl->abi = psi_decl_abi_init("default");
+ decl->abi = psi_decl_abi_init(NULL);
} else if (!psi_decl_abi_validate(data, decl->abi)) {
data->error(data, decl->abi->token, PSI_WARNING,
- "Invalid calling convention: '%s'", decl->abi->token->text);
+ "Invalid calling convention: '%s'",
+ decl->abi->token->text->val);
return false;
}
- if (!psi_decl_arg_validate(data, decl->func, type_stack)) {
+ if (!psi_decl_arg_validate(data, decl->func, scope)) {
return false;
}
if (decl->args) {
while (psi_plist_get(decl->args, i++, &arg)) {
if (!arg->var->name) {
- arg->var->name = malloc(7);
- snprintf(arg->var->name, 6, "arg%zu", i);
- arg->var->fqn = strdup(arg->var->name);
+ smart_str name = {0};
+
+ smart_str_appendl_ex(&name, ZEND_STRL("arg"), 1);
+ smart_str_append_unsigned_ex(&name, i, 1);
+
+ arg->var->name = smart_str_extract(&name);
+ arg->var->fqn = zend_string_copy(arg->var->name);
}
- if (!psi_decl_arg_validate(data, arg, type_stack)) {
+ if (!psi_decl_arg_validate(data, arg, scope)) {
return false;
}
}
return true;
}
+
+bool psi_decl_is_blacklisted(const char *name)
+{
+ char *blacklisted;
+ size_t i = 0;
+
+ while (psi_plist_get(PSI_G(blacklist).decls, i++, &blacklisted)) {
+ if (!fnmatch(blacklisted, name, 0)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+struct psi_decl_arg *psi_decl_get_arg(struct psi_decl *decl, struct psi_decl_var *var) {
+ if (var->arg) {
+ size_t i = 0;
+ struct psi_decl_arg *arg = decl->func;
+
+ do {
+ if (var->arg == arg) {
+ return arg;
+ }
+ } while (psi_plist_get(decl->args, i++, &arg));
+ }
+
+ return psi_decl_arg_get_by_var(var, decl->args, decl->func);
+}