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   1 /*******************************************************************************
   2  Copyright (c) 2016, Michael Wallner <mike@php.net>.
   3  All rights reserved.
   4
   5  Redistribution and use in source and binary forms, with or without
   6  modification, are permitted provided that the following conditions are met:
   7
   8      * Redistributions of source code must retain the above copyright notice,
   9        this list of conditions and the following disclaimer.
  10      * Redistributions in binary form must reproduce the above copyright
  11        notice, this list of conditions and the following disclaimer in the
  12        documentation and/or other materials provided with the distribution.
  13
  14  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  15  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  18  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  20  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  21  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  22  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24 *******************************************************************************/
  25
  26 #ifndef PHP_PSI_H
  27 #define PHP_PSI_H
  28
  29 #include "php.h"
  30
  31 extern zend_module_entry psi_module_entry;
  32 #define phpext_psi_ptr &psi_module_entry
  33
  34 #define PHP_PSI_VERSION "0.1.0"
  35
  36 #ifdef PHP_WIN32
  37 #       define PHP_PSI_API __declspec(dllexport)
  38 #elif defined(__GNUC__) && __GNUC__ >= 4
  39 #       define PHP_PSI_API __attribute__ ((visibility("default")))
  40 #else
  41 #       define PHP_PSI_API
  42 #endif
  43
  44 #ifdef ZTS
  45 #include "TSRM.h"
  46 #endif
  47
  48 static inline int psi_check_env(const char *var) {
  49         char *set = getenv(var);
  50         return (set && *set && (*set != '0' || set[1]));
  51 }
  52
  53 #include <fcntl.h>
  54 #include "php_network.h"
  55
  56 static inline int psi_fdopen(const char *desc)
  57 {
  58         int fd = -1;
  59
  60         if (desc) {
  61                 char *addr = strstr(desc, "://");
  62
  63                 if (addr) {
  64                         addr += 3;
  65                 }
  66                 if (addr && *addr) {
  67                         struct sockaddr_storage sa = {0};
  68                         socklen_t ss = 0;
  69                         int rc = php_network_parse_network_address_with_port(addr,
  70                                         strlen(addr), (struct sockaddr *) &sa, &ss);
  71
  72                         if (SUCCESS == rc) {
  73                                 int styp = strncmp(desc, "udp:", 4)
  74                                                 ? SOCK_STREAM
  75                                                 : SOCK_DGRAM;
  76                                 int sfam = sa.ss_family == AF_INET6
  77                                                 ? ((struct sockaddr_in6 *) &sa)->sin6_family
  78                                                 : ((struct sockaddr_in *) &sa)->sin_family;
  79
  80                                 fd = socket(sfam, styp, 0);
  81
  82                                 if (fd > 0 && 0 != connect(fd, (struct sockaddr *) &sa, ss)) {
  83                                         perror(desc);
  84                                         close(fd);
  85                                         fd = -1;
  86                                 }
  87                         }
  88                 } else if (!strcmp(desc, "stdout")) {
  89                         fd = STDOUT_FILENO;
  90                 } else if (!strcmp(desc, "stderr")) {
  91                         fd = STDERR_FILENO;
  92                 } else if (!(fd = atoi(desc)) || -1 == fcntl(fd, F_GETFD)) {
  93                         fd = open(desc, O_WRONLY|O_APPEND|O_CREAT|O_CLOEXEC, 0664);
  94                 }
  95         }
  96         return fd;
  97 }
  98
  99 typedef struct psi_object {
 100         void *data;
 101         void (*dtor)(void *data);
 102         size_t size;
 103         zend_object std;
 104 } psi_object;
 105
 106 static inline psi_object *PSI_OBJ(zval *zv, zend_object *zo) {
 107         if (zv) {
 108                 zo = Z_OBJ_P(zv);
 109         }
 110         if (!zo) {
 111                 return NULL;
 112         }
 113         return (void *) (((char *) zo) - zo->handlers->offset);
 114 }
 115
 116 PHP_PSI_API zend_object *psi_object_init(zend_class_entry *ce);
 117 PHP_PSI_API zend_object *psi_object_init_ex(zend_class_entry *ce, void *data, void (*dtor)(void *));
 118 PHP_PSI_API zend_class_entry *psi_object_get_class_entry();
 119
 120 ZEND_BEGIN_MODULE_GLOBALS(psi)
 121         char *engine;
 122         char *directory;
 123         char *search_path;
 124         struct psi_context_ops *ops;
 125         struct psi_context *context;
 126         struct {
 127                 struct psi_plist *decls;
 128                 struct psi_plist *vars;
 129         } blacklist;
 130 ZEND_END_MODULE_GLOBALS(psi);
 131
 132 ZEND_EXTERN_MODULE_GLOBALS(psi);
 133
 134 #define PSI_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(psi, v)
 135
 136 #if defined(ZTS) && defined(COMPILE_DL_PSI)
 137 ZEND_TSRMLS_CACHE_EXTERN();
 138 #endif
 139
 140 #endif  /* PHP_PSI_H */
 141
 142
 143 /*
 144  * Local variables:
 145  * tab-width: 4
 146  * c-basic-offset: 4
 147  * End:
 148  * vim600: noet sw=4 ts=4 fdm=marker
 149  * vim<600: noet sw=4 ts=4
 150  */