PHP  
 PHP: Test and Code Coverage Analysis
downloads | QA | documentation | faq | getting help | mailing lists | reporting bugs | php.net sites | links | my php.net 
 

LCOV - code coverage report
Current view: top level - ext/sockets - conversions.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 439 640 68.6 %
Date: 2014-10-22 Functions: 56 67 83.6 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : #include "sockaddr_conv.h"
       2             : #include "conversions.h"
       3             : #include "sendrecvmsg.h" /* for ancillary registry */
       4             : #ifdef PHP_WIN32
       5             : # include "windows_common.h"
       6             : #endif
       7             : 
       8             : #include <Zend/zend_llist.h>
       9             : #include <zend_smart_str.h>
      10             : 
      11             : #ifndef PHP_WIN32
      12             : # include <sys/types.h>
      13             : # include <sys/socket.h>
      14             : # include <arpa/inet.h>
      15             : # include <netinet/in.h>
      16             : # include <sys/un.h>
      17             : # include <sys/ioctl.h>
      18             : # include <net/if.h>
      19             : #else
      20             : # include <win32/php_stdint.h>
      21             : #endif
      22             : 
      23             : #include <limits.h>
      24             : #include <stdarg.h>
      25             : #include <stddef.h>
      26             : 
      27             : #ifdef PHP_WIN32
      28             : typedef unsigned short sa_family_t;
      29             : # define msghdr                 _WSAMSG
      30             : /*
      31             : struct _WSAMSG {
      32             :     LPSOCKADDR       name;                              //void *msg_name
      33             :     INT              namelen;                   //socklen_t msg_namelen
      34             :     LPWSABUF         lpBuffers;                 //struct iovec *msg_iov
      35             :     ULONG            dwBufferCount;             //size_t msg_iovlen
      36             :     WSABUF           Control;                   //void *msg_control, size_t msg_controllen
      37             :     DWORD            dwFlags;                   //int msg_flags
      38             : }
      39             : struct __WSABUF {
      40             :   u_long                        len;                            //size_t iov_len (2nd member)
      41             :   char FAR                      *buf;                           //void *iov_base (1st member)
      42             : }
      43             : struct _WSACMSGHDR {
      44             :   UINT        cmsg_len;                                 //socklen_t cmsg_len
      45             :   INT         cmsg_level;                               //int       cmsg_level
      46             :   INT         cmsg_type;                                //int       cmsg_type;
      47             :   followed by UCHAR cmsg_data[]
      48             : }
      49             : */
      50             : # define msg_name               name
      51             : # define msg_namelen    namelen
      52             : # define msg_iov                lpBuffers
      53             : # define msg_iovlen             dwBufferCount
      54             : # define msg_control    Control.buf
      55             : # define msg_controllen Control.len
      56             : # define msg_flags              dwFlags
      57             : # define iov_base               buf
      58             : # define iov_len                len
      59             : 
      60             : # define cmsghdr                _WSACMSGHDR
      61             : # ifdef CMSG_DATA
      62             : #  undef CMSG_DATA
      63             : # endif
      64             : # define CMSG_DATA              WSA_CMSG_DATA
      65             : #endif
      66             : 
      67             : #define MAX_USER_BUFF_SIZE ((size_t)(100*1024*1024))
      68             : #define DEFAULT_BUFF_SIZE 8192
      69             : 
      70             : struct _ser_context {
      71             :         HashTable               params; /* stores pointers; has to be first */
      72             :         struct err_s    err;
      73             :         zend_llist              keys,
      74             :         /* common part to res_context ends here */
      75             :                                         allocations;
      76             :         php_socket              *sock;
      77             : };
      78             : struct _res_context {
      79             :         HashTable               params; /* stores pointers; has to be first */
      80             :         struct err_s    err;
      81             :         zend_llist              keys;
      82             : };
      83             : 
      84             : typedef struct {
      85             :         /* zval info */
      86             :         const char *name;
      87             :         unsigned name_size;
      88             :         int required;
      89             : 
      90             :         /* structure info */
      91             :         size_t field_offset; /* 0 to pass full structure, e.g. when more than
      92             :                                                         one field is to be changed; in that case the
      93             :                                                         callbacks need to know the name of the fields */
      94             : 
      95             :         /* callbacks */
      96             :         from_zval_write_field *from_zval;
      97             :         to_zval_read_field *to_zval;
      98             : } field_descriptor;
      99             : 
     100             : #define KEY_FILL_SOCKADDR "fill_sockaddr"
     101             : #define KEY_RECVMSG_RET   "recvmsg_ret"
     102             : #define KEY_CMSG_LEN      "cmsg_len"
     103             : 
     104             : const struct key_value empty_key_value_list[] = {{0}};
     105             : 
     106             : /* PARAMETERS */
     107           7 : static int param_get_bool(void *ctx, const char *key, int def)
     108             : {
     109             :         int *elem;
     110          14 :         if ((elem = zend_hash_str_find_ptr(ctx, key, strlen(key))) != NULL) {
     111           4 :                 return *elem;
     112             :         } else {
     113           3 :                 return def;
     114             :         }
     115             : }
     116             : 
     117             : /* MEMORY */
     118          24 : static inline void *accounted_emalloc(size_t alloc_size, ser_context *ctx)
     119             : {
     120          24 :         void *ret = emalloc(alloc_size);
     121          24 :         zend_llist_add_element(&ctx->allocations, &ret);
     122          24 :         return ret;
     123             : }
     124           7 : static inline void *accounted_ecalloc(size_t nmemb, size_t alloc_size, ser_context *ctx)
     125             : {
     126           7 :         void *ret = ecalloc(nmemb, alloc_size);
     127           7 :         zend_llist_add_element(&ctx->allocations, &ret);
     128           7 :         return ret;
     129             : }
     130           6 : static inline void *accounted_safe_ecalloc(size_t nmemb, size_t alloc_size, size_t offset, ser_context *ctx)
     131             : {
     132           6 :         void *ret = safe_emalloc(nmemb, alloc_size, offset);
     133           6 :         memset(ret, '\0', nmemb * alloc_size + offset);
     134           6 :         zend_llist_add_element(&ctx->allocations, &ret);
     135           6 :         return ret;
     136             : }
     137             : 
     138             : /* ERRORS */
     139           1 : static void do_from_to_zval_err(struct err_s *err,
     140             :                                                                 zend_llist *keys,
     141             :                                                                 const char *what_conv,
     142             :                                                                 const char *fmt,
     143             :                                                                 va_list ap)
     144             : {
     145           1 :         smart_str                       path = {0};
     146             :         const char                      **node;
     147             :         char                            *user_msg;
     148             :         int                                     user_msg_size;
     149             :         zend_llist_position     pos;
     150             : 
     151           1 :         if (err->has_error) {
     152           0 :                 return;
     153             :         }
     154             : 
     155           3 :         for (node = zend_llist_get_first_ex(keys, &pos);
     156             :                         node != NULL;
     157           1 :                         node = zend_llist_get_next_ex(keys, &pos)) {
     158           1 :                 smart_str_appends(&path, *node);
     159             :                 smart_str_appends(&path, " > ");
     160             :         }
     161             : 
     162           1 :         if (path.s && path.s->len > 3) {
     163           1 :                 path.s->len -= 3;
     164             :         }
     165             :         smart_str_0(&path);
     166             : 
     167           1 :         user_msg_size = vspprintf(&user_msg, 0, fmt, ap);
     168             : 
     169           1 :         err->has_error = 1;
     170           1 :         err->level = E_WARNING;
     171           4 :         spprintf(&err->msg, 0, "error converting %s data (path: %s): %.*s",
     172             :                         what_conv,
     173           3 :                         path.s && *path.s->val != '\0' ? path.s->val : "unavailable",
     174             :                         user_msg_size, user_msg);
     175           1 :         err->should_free = 1;
     176             : 
     177           1 :         efree(user_msg);
     178             :         smart_str_free(&path);
     179             : }
     180             : ZEND_ATTRIBUTE_FORMAT(printf, 2 ,3)
     181           1 : static void do_from_zval_err(ser_context *ctx, const char *fmt, ...)
     182             : {
     183             :         va_list ap;
     184             : 
     185           1 :         va_start(ap, fmt);
     186           1 :         do_from_to_zval_err(&ctx->err, &ctx->keys, "user", fmt, ap);
     187           1 :         va_end(ap);
     188           1 : }
     189             : ZEND_ATTRIBUTE_FORMAT(printf, 2 ,3)
     190           0 : static void do_to_zval_err(res_context *ctx, const char *fmt, ...)
     191             : {
     192             :         va_list ap;
     193             : 
     194           0 :         va_start(ap, fmt);
     195           0 :         do_from_to_zval_err(&ctx->err, &ctx->keys, "native", fmt, ap);
     196           0 :         va_end(ap);
     197           0 : }
     198             : 
     199           1 : void err_msg_dispose(struct err_s *err TSRMLS_DC)
     200             : {
     201           1 :         if (err->msg != NULL) {
     202           1 :                 php_error_docref0(NULL TSRMLS_CC, err->level, "%s", err->msg);
     203           1 :                 if (err->should_free) {
     204           1 :                         efree(err->msg);
     205             :                 }
     206             :         }
     207           1 : }
     208           5 : void allocations_dispose(zend_llist **allocations)
     209             : {
     210           5 :         zend_llist_destroy(*allocations);
     211           5 :         efree(*allocations);
     212           5 :         *allocations = NULL;
     213           5 : }
     214             : 
     215           5 : static unsigned from_array_iterate(const zval *arr,
     216             :                                                                    void (*func)(zval *elem, unsigned i, void **args, ser_context *ctx),
     217             :                                                                    void **args,
     218             :                                                                    ser_context *ctx)
     219             : {
     220             :         HashPosition    pos;
     221             :         unsigned                i;
     222             :         zval                    *elem;
     223             :         char                    buf[sizeof("element #4294967295")];
     224           5 :         char                    *bufp = buf;
     225             : 
     226             :         /* Note i starts at 1, not 0! */
     227          47 :     for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(arr), &pos), i = 1;
     228          21 :                         !ctx->err.has_error
     229          21 :                         && (elem = zend_hash_get_current_data_ex(Z_ARRVAL_P(arr), &pos)) != NULL;
     230          16 :                         zend_hash_move_forward_ex(Z_ARRVAL_P(arr), &pos), i++) {
     231          16 :                 if (snprintf(buf, sizeof(buf), "element #%u", i) >= sizeof(buf)) {
     232           0 :                         memcpy(buf, "element", sizeof("element"));
     233             :                 }
     234          16 :                 zend_llist_add_element(&ctx->keys, &bufp);
     235             : 
     236          16 :                 func(elem, i, args, ctx);
     237             : 
     238          16 :                 zend_llist_remove_tail(&ctx->keys);
     239             :     }
     240             : 
     241           5 :     return i -1;
     242             : }
     243             : 
     244             : /* Generic Aggregated conversions */
     245          19 : static void from_zval_write_aggregation(const zval *container,
     246             :                                                                                 char *structure,
     247             :                                                                                 const field_descriptor *descriptors,
     248             :                                                                                 ser_context *ctx)
     249             : {
     250             :         const field_descriptor  *descr;
     251             :         zval                                    *elem;
     252             : 
     253          19 :         if (Z_TYPE_P(container) != IS_ARRAY) {
     254           0 :                 do_from_zval_err(ctx, "%s", "expected an array here");
     255             :         }
     256             : 
     257          60 :         for (descr = descriptors; descr->name != NULL && !ctx->err.has_error; descr++) {
     258          42 :                 if ((elem = zend_hash_str_find(Z_ARRVAL_P(container),
     259          42 :                                 descr->name, descr->name_size - 1)) != NULL) {
     260             : 
     261          33 :                         if (descr->from_zval == NULL) {
     262           0 :                                 do_from_zval_err(ctx, "No information on how to convert value "
     263             :                                                 "of key '%s'", descr->name);
     264           0 :                                 break;
     265             :                         }
     266             : 
     267          33 :                         zend_llist_add_element(&ctx->keys, (void*)&descr->name);
     268          33 :                         descr->from_zval(elem, ((char*)structure) + descr->field_offset, ctx);
     269          33 :                         zend_llist_remove_tail(&ctx->keys);
     270             : 
     271           9 :                 } else if (descr->required) {
     272           1 :                         do_from_zval_err(ctx, "The key '%s' is required", descr->name);
     273           1 :                         break;
     274             :                 }
     275             :         }
     276          19 : }
     277          14 : static void to_zval_read_aggregation(const char *structure,
     278             :                                                                          zval *zarr, /* initialized array */
     279             :                                                                          const field_descriptor *descriptors,
     280             :                                                                          res_context *ctx)
     281             : {
     282             :         const field_descriptor  *descr;
     283             : 
     284             :         assert(Z_TYPE_P(zarr) == IS_ARRAY);
     285             :         assert(Z_ARRVAL_P(zarr) != NULL);
     286             : 
     287          62 :         for (descr = descriptors; descr->name != NULL && !ctx->err.has_error; descr++) {
     288             :                 zval *new_zv, tmp;
     289             : 
     290          48 :                 if (descr->to_zval == NULL) {
     291           0 :                         do_to_zval_err(ctx, "No information on how to convert native "
     292             :                                         "field into value for key '%s'", descr->name);
     293           0 :                         break;
     294             :                 }
     295             : 
     296          48 :                 ZVAL_NULL(&tmp);
     297          96 :                 new_zv = zend_symtable_str_update(Z_ARRVAL_P(zarr), descr->name, descr->name_size - 1, &tmp);
     298             : 
     299          48 :                 zend_llist_add_element(&ctx->keys, (void*)&descr->name);
     300          48 :                 descr->to_zval(structure + descr->field_offset, new_zv, ctx);
     301          48 :                 zend_llist_remove_tail(&ctx->keys);
     302             :         }
     303          14 : }
     304             : 
     305             : /* CONVERSIONS for integers */
     306          16 : static zend_long from_zval_integer_common(const zval *arr_value, ser_context *ctx)
     307             : {
     308          16 :         zend_long ret = 0;
     309             :         zval lzval;
     310             : 
     311          16 :         ZVAL_NULL(&lzval);
     312          16 :         if (Z_TYPE_P(arr_value) != IS_LONG) {
     313           0 :                 ZVAL_COPY(&lzval, (zval *)arr_value);
     314           0 :                 arr_value = &lzval;
     315             :         }
     316             : 
     317          16 :         switch (Z_TYPE_P(arr_value)) {
     318             :         case IS_LONG:
     319             : long_case:
     320          16 :                 ret = Z_LVAL_P(arr_value);
     321          16 :                 break;
     322             : 
     323             :         /* if not long we're operating on lzval */
     324             :         case IS_DOUBLE:
     325             : double_case:
     326           0 :                 convert_to_long(&lzval);
     327           0 :                 goto long_case;
     328             : 
     329             :         case IS_OBJECT:
     330             :         case IS_STRING: {
     331             :                 zend_long lval;
     332             :                 double dval;
     333             : 
     334           0 :                 convert_to_string(&lzval);
     335             : 
     336           0 :                 switch (is_numeric_string(Z_STRVAL(lzval), Z_STRLEN(lzval), &lval, &dval, 0)) {
     337             :                 case IS_DOUBLE:
     338             :                         zval_dtor(&lzval);
     339           0 :                         ZVAL_DOUBLE(&lzval, dval);
     340           0 :                         goto double_case;
     341             : 
     342             :                 case IS_LONG:
     343             :                         zval_dtor(&lzval);
     344           0 :                         ZVAL_LONG(&lzval, lval);
     345           0 :                         goto long_case;
     346             :                 }
     347             : 
     348             :                 /* if we get here, we don't have a numeric string */
     349           0 :                 do_from_zval_err(ctx, "expected an integer, but got a non numeric "
     350           0 :                                 "string (possibly from a converted object): '%s'", Z_STRVAL_P(arr_value));
     351           0 :                 break;
     352             :         }
     353             : 
     354             :         default:
     355           0 :                 do_from_zval_err(ctx, "%s", "expected an integer, either of a PHP "
     356             :                                 "integer type or of a convertible type");
     357             :                 break;
     358             :         }
     359             : 
     360             :         zval_dtor(&lzval);
     361             : 
     362          16 :         return ret;
     363             : }
     364           7 : void from_zval_write_int(const zval *arr_value, char *field, ser_context *ctx)
     365             : {
     366             :         zend_long lval;
     367             :         int ival;
     368             : 
     369           7 :         lval = from_zval_integer_common(arr_value, ctx);
     370           7 :         if (ctx->err.has_error) {
     371           0 :                 return;
     372             :         }
     373             : 
     374           7 :         if (lval > INT_MAX || lval < INT_MIN) {
     375           0 :                 do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     376             :                                 "for a native int");
     377           0 :                 return;
     378             :         }
     379             : 
     380           7 :         ival = (int)lval;
     381           7 :         memcpy(field, &ival, sizeof(ival));
     382             : }
     383           4 : static void from_zval_write_uint32(const zval *arr_value, char *field, ser_context *ctx)
     384             : {
     385             :         zend_long lval;
     386             :         uint32_t ival;
     387             : 
     388           4 :         lval = from_zval_integer_common(arr_value, ctx);
     389           4 :         if (ctx->err.has_error) {
     390           0 :                 return;
     391             :         }
     392             : 
     393           4 :         if (sizeof(zend_long) > sizeof(uint32_t) && (lval < 0 || lval > 0xFFFFFFFF)) {
     394           0 :                 do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     395             :                                 "for an unsigned 32-bit integer");
     396           0 :                 return;
     397             :         }
     398             : 
     399           4 :         ival = (uint32_t)lval;
     400           4 :         memcpy(field, &ival, sizeof(ival));
     401             : }
     402           1 : static void from_zval_write_net_uint16(const zval *arr_value, char *field, ser_context *ctx)
     403             : {
     404             :         zend_long lval;
     405             :         uint16_t ival;
     406             : 
     407           1 :         lval = from_zval_integer_common(arr_value, ctx);
     408           1 :         if (ctx->err.has_error) {
     409           0 :                 return;
     410             :         }
     411             : 
     412           1 :         if (lval < 0 || lval > 0xFFFF) {
     413           0 :                 do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     414             :                                 "for an unsigned 16-bit integer");
     415           0 :                 return;
     416             :         }
     417             : 
     418           1 :         ival = htons((uint16_t)lval);
     419           1 :         memcpy(field, &ival, sizeof(ival));
     420             : }
     421           0 : static void from_zval_write_sa_family(const zval *arr_value, char *field, ser_context *ctx)
     422             : {
     423             :         zend_long lval;
     424             :         sa_family_t ival;
     425             : 
     426           0 :         lval = from_zval_integer_common(arr_value, ctx);
     427           0 :         if (ctx->err.has_error) {
     428           0 :                 return;
     429             :         }
     430             : 
     431           0 :         if (lval < 0 || lval > (sa_family_t)-1) { /* sa_family_t is unsigned */
     432           0 :                 do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     433             :                                 "for a sa_family_t value");
     434           0 :                 return;
     435             :         }
     436             : 
     437           0 :         ival = (sa_family_t)lval;
     438           0 :         memcpy(field, &ival, sizeof(ival));
     439             : }
     440           0 : static void from_zval_write_pid_t(const zval *arr_value, char *field, ser_context *ctx)
     441             : {
     442             :         zend_long lval;
     443             :         pid_t ival;
     444             : 
     445           0 :         lval = from_zval_integer_common(arr_value, ctx);
     446           0 :         if (ctx->err.has_error) {
     447           0 :                 return;
     448             :         }
     449             : 
     450           0 :         if (lval < 0 || (pid_t)lval != lval) { /* pid_t is signed */
     451           0 :                 do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     452             :                                 "for a pid_t value");
     453           0 :                 return;
     454             :         }
     455             : 
     456           0 :         ival = (pid_t)lval;
     457           0 :         memcpy(field, &ival, sizeof(ival));
     458             : }
     459           0 : static void from_zval_write_uid_t(const zval *arr_value, char *field, ser_context *ctx)
     460             : {
     461             :         zend_long lval;
     462             :         uid_t ival;
     463             : 
     464           0 :         lval = from_zval_integer_common(arr_value, ctx);
     465           0 :         if (ctx->err.has_error) {
     466           0 :                 return;
     467             :         }
     468             : 
     469             :         /* uid_t can be signed or unsigned (generally unsigned) */
     470             :         if ((uid_t)-1 > (uid_t)0) {
     471           0 :                 if (sizeof(zend_long) > sizeof(uid_t) && (lval < 0 || (uid_t)lval != lval)) {
     472           0 :                         do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     473             :                                         "for a uid_t value");
     474           0 :                         return;
     475             :                 }
     476             :         } else {
     477             :                 if (sizeof(zend_long) > sizeof(uid_t) && (uid_t)lval != lval) {
     478             :                         do_from_zval_err(ctx, "%s", "given PHP integer is out of bounds "
     479             :                                         "for a uid_t value");
     480             :                         return;
     481             :                 }
     482             :         }
     483             : 
     484           0 :         ival = (uid_t)lval;
     485           0 :         memcpy(field, &ival, sizeof(ival));
     486             : }
     487             : 
     488          15 : void to_zval_read_int(const char *data, zval *zv, res_context *ctx)
     489             : {
     490             :         int ival;
     491          15 :         memcpy(&ival, data, sizeof(ival));
     492             : 
     493          15 :         ZVAL_LONG(zv, (zend_long)ival);
     494          15 : }
     495           2 : static void to_zval_read_unsigned(const char *data, zval *zv, res_context *ctx)
     496             : {
     497             :         unsigned ival;
     498           2 :         memcpy(&ival, data, sizeof(ival));
     499             : 
     500           2 :         ZVAL_LONG(zv, (zend_long)ival);
     501           2 : }
     502           2 : static void to_zval_read_net_uint16(const char *data, zval *zv, res_context *ctx)
     503             : {
     504             :         uint16_t ival;
     505           2 :         memcpy(&ival, data, sizeof(ival));
     506             : 
     507           2 :         ZVAL_LONG(zv, (zend_long)ntohs(ival));
     508           2 : }
     509           4 : static void to_zval_read_uint32(const char *data, zval *zv, res_context *ctx)
     510             : {
     511             :         uint32_t ival;
     512           4 :         memcpy(&ival, data, sizeof(ival));
     513             : 
     514           4 :         ZVAL_LONG(zv, (zend_long)ival);
     515           4 : }
     516           2 : static void to_zval_read_sa_family(const char *data, zval *zv, res_context *ctx)
     517             : {
     518             :         sa_family_t ival;
     519           2 :         memcpy(&ival, data, sizeof(ival));
     520             : 
     521           2 :         ZVAL_LONG(zv, (zend_long)ival);
     522           2 : }
     523           1 : static void to_zval_read_pid_t(const char *data, zval *zv, res_context *ctx)
     524             : {
     525             :         pid_t ival;
     526           1 :         memcpy(&ival, data, sizeof(ival));
     527             : 
     528           1 :         ZVAL_LONG(zv, (zend_long)ival);
     529           1 : }
     530           2 : static void to_zval_read_uid_t(const char *data, zval *zv, res_context *ctx)
     531             : {
     532             :         uid_t ival;
     533           2 :         memcpy(&ival, data, sizeof(ival));
     534             : 
     535           2 :         ZVAL_LONG(zv, (zend_long)ival);
     536           2 : }
     537             : 
     538             : /* CONVERSIONS for sockaddr */
     539           0 : static void from_zval_write_sin_addr(const zval *zaddr_str, char *inaddr, ser_context *ctx)
     540             : {
     541             :         int                                     res;
     542           0 :         struct sockaddr_in      saddr = {0};
     543             :         zend_string                     *addr_str;
     544             :         TSRMLS_FETCH();
     545             : 
     546           0 :         addr_str = zval_get_string((zval *) zaddr_str);
     547           0 :         res = php_set_inet_addr(&saddr, addr_str->val, ctx->sock TSRMLS_CC);
     548           0 :         if (res) {
     549           0 :                 memcpy(inaddr, &saddr.sin_addr, sizeof saddr.sin_addr);
     550             :         } else {
     551             :                 /* error already emitted, but let's emit another more relevant */
     552           0 :                 do_from_zval_err(ctx, "could not resolve address '%s' to get an AF_INET "
     553             :                                 "address", addr_str->val);
     554             :         }
     555             : 
     556             :         zend_string_release(addr_str);
     557           0 : }
     558           0 : static void to_zval_read_sin_addr(const char *data, zval *zv, res_context *ctx)
     559             : {
     560           0 :         const struct in_addr *addr = (const struct in_addr *)data;
     561           0 :         socklen_t size = INET_ADDRSTRLEN;
     562           0 :         zend_string *str = zend_string_alloc(size - 1, 0);
     563           0 :         memset(str->val, '\0', size);
     564             : 
     565           0 :         ZVAL_NEW_STR(zv, str);
     566             : 
     567           0 :         if (inet_ntop(AF_INET, addr, Z_STRVAL_P(zv), size) == NULL) {
     568           0 :                 do_to_zval_err(ctx, "could not convert IPv4 address to string "
     569             :                                 "(errno %d)", errno);
     570           0 :                 return;
     571             :         }
     572             : 
     573           0 :         Z_STRLEN_P(zv) = strlen(Z_STRVAL_P(zv));
     574             : }
     575             : static const field_descriptor descriptors_sockaddr_in[] = {
     576             :                 {"family", sizeof("family"), 0, offsetof(struct sockaddr_in, sin_family), from_zval_write_sa_family, to_zval_read_sa_family},
     577             :                 {"addr", sizeof("addr"), 0, offsetof(struct sockaddr_in, sin_addr), from_zval_write_sin_addr, to_zval_read_sin_addr},
     578             :                 {"port", sizeof("port"), 0, offsetof(struct sockaddr_in, sin_port), from_zval_write_net_uint16, to_zval_read_net_uint16},
     579             :                 {0}
     580             : };
     581           0 : static void from_zval_write_sockaddr_in(const zval *container, char *sockaddr, ser_context *ctx)
     582             : {
     583           0 :         from_zval_write_aggregation(container, sockaddr, descriptors_sockaddr_in, ctx);
     584           0 : }
     585           0 : static void to_zval_read_sockaddr_in(const char *data, zval *zv, res_context *ctx)
     586             : {
     587           0 :         to_zval_read_aggregation(data, zv, descriptors_sockaddr_in, ctx);
     588           0 : }
     589             : #if HAVE_IPV6
     590           2 : static void from_zval_write_sin6_addr(const zval *zaddr_str, char *addr6, ser_context *ctx)
     591             : {
     592             :         int                                     res;
     593           2 :         struct sockaddr_in6     saddr6 = {0};
     594             :         zend_string                     *addr_str;
     595             :         TSRMLS_FETCH();
     596             : 
     597           2 :         addr_str = zval_get_string((zval *) zaddr_str);
     598           2 :         res = php_set_inet6_addr(&saddr6, addr_str->val, ctx->sock TSRMLS_CC);
     599           2 :         if (res) {
     600           2 :                 memcpy(addr6, &saddr6.sin6_addr, sizeof saddr6.sin6_addr);
     601             :         } else {
     602             :                 /* error already emitted, but let's emit another more relevant */
     603           0 :                 do_from_zval_err(ctx, "could not resolve address '%s' to get an AF_INET6 "
     604           0 :                                 "address", Z_STRVAL_P(zaddr_str));
     605             :         }
     606             : 
     607             :         zend_string_release(addr_str);
     608           2 : }
     609           4 : static void to_zval_read_sin6_addr(const char *data, zval *zv, res_context *ctx)
     610             : {
     611           4 :         const struct in6_addr *addr = (const struct in6_addr *)data;
     612           4 :         socklen_t size = INET6_ADDRSTRLEN;
     613           8 :         zend_string *str = zend_string_alloc(size - 1, 0);
     614             : 
     615           4 :         memset(str->val, '\0', size);
     616             : 
     617           4 :         ZVAL_NEW_STR(zv, str);
     618             : 
     619           4 :         if (inet_ntop(AF_INET6, addr, Z_STRVAL_P(zv), size) == NULL) {
     620           0 :                 do_to_zval_err(ctx, "could not convert IPv6 address to string "
     621             :                                 "(errno %d)", errno);
     622           0 :                 return;
     623             :         }
     624             : 
     625           4 :         Z_STRLEN_P(zv) = strlen(Z_STRVAL_P(zv));
     626             : }
     627             : static const field_descriptor descriptors_sockaddr_in6[] = {
     628             :                 {"family", sizeof("family"), 0, offsetof(struct sockaddr_in6, sin6_family), from_zval_write_sa_family, to_zval_read_sa_family},
     629             :                 {"addr", sizeof("addr"), 0, offsetof(struct sockaddr_in6, sin6_addr), from_zval_write_sin6_addr, to_zval_read_sin6_addr},
     630             :                 {"port", sizeof("port"), 0, offsetof(struct sockaddr_in6, sin6_port), from_zval_write_net_uint16, to_zval_read_net_uint16},
     631             :                 {"flowinfo", sizeof("flowinfo"), 0, offsetof(struct sockaddr_in6, sin6_flowinfo), from_zval_write_uint32, to_zval_read_uint32},
     632             :                 {"scope_id", sizeof("scope_id"), 0, offsetof(struct sockaddr_in6, sin6_scope_id), from_zval_write_uint32, to_zval_read_uint32},
     633             :                 {0}
     634             : };
     635           1 : static void from_zval_write_sockaddr_in6(const zval *container, char *sockaddr6, ser_context *ctx)
     636             : {
     637           1 :         from_zval_write_aggregation(container, sockaddr6, descriptors_sockaddr_in6, ctx);
     638           1 : }
     639           2 : static void to_zval_read_sockaddr_in6(const char *data, zval *zv, res_context *ctx)
     640             : {
     641           2 :         to_zval_read_aggregation(data, zv, descriptors_sockaddr_in6, ctx);
     642           2 : }
     643             : #endif /* HAVE_IPV6 */
     644           2 : static void from_zval_write_sun_path(const zval *path, char *sockaddr_un_c, ser_context *ctx)
     645             : {
     646             :         zend_string                     *path_str;
     647           2 :         struct sockaddr_un      *saddr = (struct sockaddr_un*)sockaddr_un_c;
     648             :         TSRMLS_FETCH();
     649             : 
     650           2 :         path_str = zval_get_string((zval *) path);
     651             : 
     652             :         /* code in this file relies on the path being nul terminated, even though
     653             :          * this is not required, at least on linux for abstract paths. It also
     654             :          * assumes that the path is not empty */
     655           2 :         if (path_str->len == 0) {
     656           0 :                 do_from_zval_err(ctx, "%s", "the path is cannot be empty");
     657           0 :                 return;
     658             :         }
     659           2 :         if (path_str->len >= sizeof(saddr->sun_path)) {
     660           0 :                 do_from_zval_err(ctx, "the path is too long, the maximum permitted "
     661             :                                 "length is %ld", sizeof(saddr->sun_path) - 1);
     662           0 :                 return;
     663             :         }
     664             : 
     665           2 :         memcpy(&saddr->sun_path, path_str->val, path_str->len);
     666           2 :         saddr->sun_path[path_str->len] = '\0';
     667             : 
     668             :         zend_string_release(path_str);
     669             : }
     670           0 : static void to_zval_read_sun_path(const char *data, zval *zv, res_context *ctx) {
     671           0 :         struct sockaddr_un      *saddr = (struct sockaddr_un*)data;
     672             :         char *nul_pos;
     673             : 
     674           0 :         nul_pos = memchr(&saddr->sun_path, '\0', sizeof(saddr->sun_path));
     675           0 :         if (nul_pos == NULL) {
     676           0 :                 do_to_zval_err(ctx, "could not find a NUL in the path");
     677           0 :                 return;
     678             :         }
     679             : 
     680           0 :         ZVAL_STRINGL(zv, saddr->sun_path, nul_pos - (char*)&saddr->sun_path);
     681             : }
     682             : static const field_descriptor descriptors_sockaddr_un[] = {
     683             :                 {"family", sizeof("family"), 0, offsetof(struct sockaddr_un, sun_family), from_zval_write_sa_family, to_zval_read_sa_family},
     684             :                 {"path", sizeof("path"), 0, 0, from_zval_write_sun_path, to_zval_read_sun_path},
     685             :                 {0}
     686             : };
     687           2 : static void from_zval_write_sockaddr_un(const zval *container, char *sockaddr, ser_context *ctx)
     688             : {
     689           2 :         from_zval_write_aggregation(container, sockaddr, descriptors_sockaddr_un, ctx);
     690           2 : }
     691           0 : static void to_zval_read_sockaddr_un(const char *data, zval *zv, res_context *ctx)
     692             : {
     693           0 :         to_zval_read_aggregation(data, zv, descriptors_sockaddr_un, ctx);
     694           0 : }
     695           7 : static void from_zval_write_sockaddr_aux(const zval *container,
     696             :                                                                                  struct sockaddr **sockaddr_ptr,
     697             :                                                                                  socklen_t *sockaddr_len,
     698             :                                                                                  ser_context *ctx)
     699             : {
     700             :         int             family;
     701             :         zval    *elem;
     702             :         int             fill_sockaddr;
     703             : 
     704           7 :         if (Z_TYPE_P(container) != IS_ARRAY) {
     705           0 :                 do_from_zval_err(ctx, "%s", "expected an array here");
     706           0 :                 return;
     707             :         }
     708             : 
     709           7 :         fill_sockaddr = param_get_bool(ctx, KEY_FILL_SOCKADDR, 1);
     710             : 
     711          11 :         if ((elem = zend_hash_str_find(Z_ARRVAL_P(container), "family", sizeof("family") - 1)) != NULL
     712             :                         && Z_TYPE_P(elem) != IS_NULL) {
     713           2 :                 const char *node = "family";
     714           2 :                 zend_llist_add_element(&ctx->keys, &node);
     715           2 :                 from_zval_write_int(elem, (char*)&family, ctx);
     716           2 :                 zend_llist_remove_tail(&ctx->keys);
     717             :         } else {
     718           5 :                 family = ctx->sock->type;
     719             :         }
     720             : 
     721           7 :         switch (family) {
     722             :         case AF_INET:
     723             :                 /* though not all OSes support sockaddr_in used in IPv6 sockets */
     724           0 :                 if (ctx->sock->type != AF_INET && ctx->sock->type != AF_INET6) {
     725           0 :                         do_from_zval_err(ctx, "the specified family (number %d) is not "
     726             :                                         "supported on this socket", family);
     727           0 :                         return;
     728             :                 }
     729           0 :                 *sockaddr_ptr = accounted_ecalloc(1, sizeof(struct sockaddr_in), ctx);
     730           0 :                 *sockaddr_len = sizeof(struct sockaddr_in);
     731           0 :                 if (fill_sockaddr) {
     732           0 :                         from_zval_write_sockaddr_in(container, (char*)*sockaddr_ptr, ctx);
     733           0 :                         (*sockaddr_ptr)->sa_family = AF_INET;
     734             :                 }
     735           0 :                 break;
     736             : 
     737             : #if HAVE_IPV6
     738             :         case AF_INET6:
     739           3 :                 if (ctx->sock->type != AF_INET6) {
     740           0 :                         do_from_zval_err(ctx, "the specified family (AF_INET6) is not "
     741             :                                         "supported on this socket");
     742           0 :                         return;
     743             :                 }
     744           3 :                 *sockaddr_ptr = accounted_ecalloc(1, sizeof(struct sockaddr_in6), ctx);
     745           3 :                 *sockaddr_len = sizeof(struct sockaddr_in6);
     746           3 :                 if (fill_sockaddr) {
     747           1 :                         from_zval_write_sockaddr_in6(container, (char*)*sockaddr_ptr, ctx);
     748           1 :                         (*sockaddr_ptr)->sa_family = AF_INET6;
     749             :                 }
     750           3 :                 break;
     751             : #endif /* HAVE_IPV6 */
     752             : 
     753             :         case AF_UNIX:
     754           4 :                 if (ctx->sock->type != AF_UNIX) {
     755           0 :                         do_from_zval_err(ctx, "the specified family (AF_UNIX) is not "
     756             :                                         "supported on this socket");
     757           0 :                         return;
     758             :                 }
     759           4 :                 *sockaddr_ptr = accounted_ecalloc(1, sizeof(struct sockaddr_un), ctx);
     760           4 :                 if (fill_sockaddr) {
     761           2 :                         struct sockaddr_un *sock_un = (struct sockaddr_un*)*sockaddr_ptr;
     762             : 
     763           2 :                         from_zval_write_sockaddr_un(container, (char*)*sockaddr_ptr, ctx);
     764           2 :                         (*sockaddr_ptr)->sa_family = AF_UNIX;
     765             : 
     766             :                         /* calculating length is more complicated here. Giving the size of
     767             :                          * struct sockaddr_un here and relying on the nul termination of
     768             :                          * sun_path does not work for paths in the abstract namespace. Note
     769             :                          * that we always assume the path is not empty and nul terminated */
     770           3 :                         *sockaddr_len = offsetof(struct sockaddr_un, sun_path) +
     771           2 :                                         (sock_un->sun_path[0] == '\0'
     772             :                                         ? (1 + strlen(&sock_un->sun_path[1]))
     773           1 :                                         : strlen(sock_un->sun_path));
     774             :                 } else {
     775           2 :                         *sockaddr_len = sizeof(struct sockaddr_un);
     776             :                 }
     777           4 :                 break;
     778             : 
     779             :         default:
     780           0 :                 do_from_zval_err(ctx, "%s", "the only families currently supported are "
     781             :                                 "AF_INET, AF_INET6 and AF_UNIX");
     782             :                 break;
     783             :         }
     784             : }
     785           4 : static void to_zval_read_sockaddr_aux(const char *sockaddr_c, zval *zv, res_context *ctx)
     786             : {
     787           4 :         const struct sockaddr *saddr = (struct sockaddr *)sockaddr_c;
     788             : 
     789           4 :         if (saddr->sa_family == 0) {
     790           2 :                 ZVAL_NULL(zv);
     791           2 :                 return;
     792             :         }
     793             : 
     794           2 :         array_init(zv);
     795             : 
     796           2 :         switch (saddr->sa_family) {
     797             :         case AF_INET:
     798           0 :                 to_zval_read_sockaddr_in(sockaddr_c, zv, ctx);
     799           0 :                 break;
     800             : 
     801             : #if HAVE_IPV6
     802             :         case AF_INET6:
     803           2 :                 to_zval_read_sockaddr_in6(sockaddr_c, zv, ctx);
     804           2 :                 break;
     805             : #endif /* HAVE_IPV6 */
     806             : 
     807             :         case AF_UNIX:
     808           0 :                 to_zval_read_sockaddr_un(sockaddr_c, zv, ctx);
     809           0 :                 break;
     810             : 
     811             :         default:
     812           0 :                 do_to_zval_err(ctx, "cannot read struct sockaddr with family %d; "
     813             :                                 "not supported",
     814             :                                 (int)saddr->sa_family);
     815             :                 break;
     816             :         }
     817             : }
     818             : 
     819             : /* CONVERSIONS for cmsghdr */
     820             : /*
     821             :  * [ level => , type => , data => [],]
     822             :  * struct cmsghdr {
     823             :  *  socklen_t cmsg_len;    // data byte count, including header
     824             :  *  int       cmsg_level;  // originating protocol
     825             :  *  int       cmsg_type;   // protocol-specific type
     826             :  *  // followed by unsigned char cmsg_data[];
     827             :  * };
     828             :  */
     829           2 : static void from_zval_write_control(const zval                  *arr,
     830             :                                                                         void                            **control_buf,
     831             :                                                                         zend_llist_element      *alloc,
     832             :                                                                         size_t                          *control_len,
     833             :                                                                         size_t                          *offset,
     834             :                                                                         ser_context                     *ctx)
     835             : {
     836             :         struct cmsghdr          *cmsghdr;
     837             :         int                                     level,
     838             :                                                 type;
     839             :         size_t                          data_len,
     840             :                                                 req_space,
     841             :                                                 space_left;
     842             :         ancillary_reg_entry     *entry;
     843             : 
     844             :         static const field_descriptor descriptor_level[] = {
     845             :                         {"level", sizeof("level"), 0, 0, from_zval_write_int, 0},
     846             :                         {0}
     847             :         };
     848             :         static const field_descriptor descriptor_type[] = {
     849             :                         {"type", sizeof("type"), 0, 0, from_zval_write_int, 0},
     850             :                         {0}
     851             :         };
     852             :         field_descriptor descriptor_data[] = {
     853             :                         {"data", sizeof("data"), 0, 0, 0, 0},
     854             :                         {0}
     855           2 :         };
     856             : 
     857           2 :         from_zval_write_aggregation(arr, (char *)&level, descriptor_level, ctx);
     858           2 :         if (ctx->err.has_error) {
     859           0 :                 return;
     860             :         }
     861           2 :         from_zval_write_aggregation(arr, (char *)&type, descriptor_type, ctx);
     862           2 :         if (ctx->err.has_error) {
     863           0 :                 return;
     864             :         }
     865             : 
     866           2 :         entry = get_ancillary_reg_entry(level, type);
     867           2 :         if (entry == NULL) {
     868           0 :                 do_from_zval_err(ctx, "cmsghdr with level %d and type %d not supported",
     869             :                                 level, type);
     870           0 :                 return;
     871             :         }
     872             : 
     873           2 :         if (entry->calc_space) {
     874             :                 zval *data_elem;
     875             :                 /* arr must be an array at this point */
     876           1 :                 if ((data_elem = zend_hash_str_find(Z_ARRVAL_P(arr), "data", sizeof("data") - 1)) == NULL) {
     877           0 :                         do_from_zval_err(ctx, "cmsghdr should have a 'data' element here");
     878           0 :                         return;
     879             :                 }
     880           1 :                 data_len = entry->calc_space(data_elem, ctx);
     881           1 :                 if (ctx->err.has_error) {
     882           0 :                         return;
     883             :                 }
     884             :         } else {
     885           1 :                 data_len = entry->size;
     886             :         }
     887           2 :         req_space = CMSG_SPACE(data_len);
     888           2 :         space_left = *control_len - *offset;
     889             :         assert(*control_len >= *offset);
     890             : 
     891           2 :         if (space_left < req_space) {
     892           0 :                 *control_buf = safe_erealloc(*control_buf, 2, req_space, *control_len);
     893           0 :                 *control_len += 2 * req_space;
     894           0 :                 memset(*control_buf, '\0', *control_len - *offset);
     895           0 :                 memcpy(&alloc->data, *control_buf, sizeof *control_buf);
     896             :         }
     897             : 
     898           2 :         cmsghdr = (struct cmsghdr*)(((char*)*control_buf) + *offset);
     899           2 :         cmsghdr->cmsg_level  = level;
     900           2 :         cmsghdr->cmsg_type   = type;
     901           2 :         cmsghdr->cmsg_len    = CMSG_LEN(data_len);
     902             : 
     903           2 :         descriptor_data[0].from_zval = entry->from_array;
     904           2 :         from_zval_write_aggregation(arr, (char*)CMSG_DATA(cmsghdr), descriptor_data, ctx);
     905             : 
     906           2 :         *offset += req_space;
     907             : }
     908           2 : static void from_zval_write_control_array(const zval *arr, char *msghdr_c, ser_context *ctx)
     909             : {
     910             :         char                            buf[sizeof("element #4294967295")];
     911           2 :         char                            *bufp = buf;
     912             :         zval                            *elem;
     913           2 :         uint32_t                        i = 0;
     914             :         int                                     num_elems;
     915             :         void                            *control_buf;
     916             :         zend_llist_element      *alloc;
     917             :         size_t                          control_len,
     918             :                                                 cur_offset;
     919           2 :         struct msghdr           *msg = (struct msghdr*)msghdr_c;
     920             : 
     921           2 :         if (Z_TYPE_P(arr) != IS_ARRAY) {
     922           0 :                 do_from_zval_err(ctx, "%s", "expected an array here");
     923           0 :                 return;
     924             :         }
     925             : 
     926           2 :         num_elems = zend_hash_num_elements(Z_ARRVAL_P(arr));
     927           2 :         if (num_elems == 0) {
     928           0 :                 return;
     929             :         }
     930             : 
     931             :         /* estimate each message at 20 bytes */
     932           2 :         control_buf     = accounted_safe_ecalloc(num_elems, CMSG_SPACE(20), 0, ctx);
     933           2 :         alloc           = ctx->allocations.tail;
     934           2 :         control_len = (size_t)num_elems * CMSG_SPACE(20);
     935           2 :         cur_offset      = 0;
     936             : 
     937           6 :         ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(arr), elem) {
     938           2 :                 if (ctx->err.has_error) {
     939           0 :                         break;
     940             :                 }
     941             : 
     942           2 :                 if (snprintf(buf, sizeof(buf), "element #%u", (unsigned)i++) >= sizeof(buf)) {
     943           0 :                         memcpy(buf, "element", sizeof("element"));
     944             :                 }
     945           2 :                 zend_llist_add_element(&ctx->keys, &bufp);
     946             : 
     947           2 :                 from_zval_write_control(elem, &control_buf, alloc, &control_len, &cur_offset, ctx);
     948             : 
     949           2 :                 zend_llist_remove_tail(&ctx->keys);
     950             :         } ZEND_HASH_FOREACH_END();
     951             : 
     952           2 :     msg->msg_control = control_buf;
     953           2 :     msg->msg_controllen = cur_offset; /* not control_len, which may be larger */
     954             : }
     955           5 : static void to_zval_read_cmsg_data(const char *cmsghdr_c, zval *zv, res_context *ctx)
     956             : {
     957           5 :         const struct cmsghdr    *cmsg = (const struct cmsghdr *)cmsghdr_c;
     958             :         ancillary_reg_entry             *entry;
     959             :         size_t                                  len,
     960           5 :                                                         *len_p = &len;
     961             : 
     962           5 :         entry = get_ancillary_reg_entry(cmsg->cmsg_level, cmsg->cmsg_type);
     963           5 :         if (entry == NULL) {
     964           0 :                 do_to_zval_err(ctx, "cmsghdr with level %d and type %d not supported",
     965             :                                 cmsg->cmsg_level, cmsg->cmsg_type);
     966           0 :                 return;
     967             :         }
     968           5 :         if (CMSG_LEN(entry->size) > cmsg->cmsg_len) {
     969           0 :                 do_to_zval_err(ctx, "the cmsghdr structure is unexpectedly small; "
     970             :                                 "expected a length of at least %pd, but got %pd",
     971           0 :                                 (zend_long)CMSG_LEN(entry->size), (zend_long)cmsg->cmsg_len);
     972           0 :                 return;
     973             :         }
     974             : 
     975           5 :         len = (size_t)cmsg->cmsg_len; /* use another var because type of cmsg_len varies */
     976             : 
     977          10 :         if (zend_hash_str_add_ptr(&ctx->params, KEY_CMSG_LEN, sizeof(KEY_CMSG_LEN) - 1, len_p) == NULL) {
     978           0 :                 do_to_zval_err(ctx, "%s", "could not set parameter " KEY_CMSG_LEN);
     979           0 :                 return;
     980             :         }
     981             : 
     982           5 :         entry->to_array((const char *)CMSG_DATA(cmsg), zv, ctx);
     983             : 
     984           5 :         zend_hash_str_del(&ctx->params, KEY_CMSG_LEN, sizeof(KEY_CMSG_LEN) - 1);
     985             : }
     986           5 : static void to_zval_read_control(const char *cmsghdr_c, zval *zv, res_context *ctx)
     987             : {
     988             :         /* takes a cmsghdr, not a msghdr like from_zval_write_control */
     989             :         static const field_descriptor descriptors[] = {
     990             :                         {"level", sizeof("level"), 0, offsetof(struct cmsghdr, cmsg_level), 0, to_zval_read_int},
     991             :                         {"type", sizeof("type"), 0, offsetof(struct cmsghdr, cmsg_type), 0, to_zval_read_int},
     992             :                         {"data", sizeof("data"), 0, 0 /* cmsghdr passed */, 0, to_zval_read_cmsg_data},
     993             :                         {0}
     994             :         };
     995             : 
     996           5 :         array_init_size(zv, 3);
     997           5 :         to_zval_read_aggregation(cmsghdr_c, zv, descriptors, ctx);
     998           5 : }
     999           4 : static void to_zval_read_control_array(const char *msghdr_c, zval *zv, res_context *ctx)
    1000             : {
    1001           4 :         struct msghdr   *msg = (struct msghdr *)msghdr_c;
    1002             :         struct cmsghdr  *cmsg;
    1003             :         char                    buf[sizeof("element #4294967295")];
    1004           4 :         char                    *bufp = buf;
    1005           4 :         uint32_t                i = 1;
    1006             : 
    1007             :         /*if (msg->msg_flags & MSG_CTRUNC) {
    1008             :                 php_error_docref0(NULL, E_WARNING, "The MSG_CTRUNC flag is present; will not "
    1009             :                                 "attempt to read control messages");
    1010             :                 ZVAL_FALSE(zv);
    1011             :                 return;
    1012             :         }*/
    1013             : 
    1014           4 :         array_init(zv);
    1015             : 
    1016          18 :         for (cmsg = CMSG_FIRSTHDR(msg);
    1017           5 :                         cmsg != NULL && !ctx->err.has_error;
    1018           5 :                         cmsg = CMSG_NXTHDR(msg, cmsg)) {
    1019             :                 zval *elem, tmp;
    1020             : 
    1021           5 :                 ZVAL_NULL(&tmp);
    1022           5 :                 elem = zend_hash_next_index_insert(Z_ARRVAL_P(zv), &tmp);
    1023             : 
    1024           5 :                 if (snprintf(buf, sizeof(buf), "element #%u", (unsigned)i++) >= sizeof(buf)) {
    1025           0 :                         memcpy(buf, "element", sizeof("element"));
    1026             :                 }
    1027           5 :                 zend_llist_add_element(&ctx->keys, &bufp);
    1028             : 
    1029           5 :                 to_zval_read_control((const char *)cmsg, elem, ctx);
    1030             : 
    1031           5 :                 zend_llist_remove_tail(&ctx->keys);
    1032             :         }
    1033           4 : }
    1034             : 
    1035             : /* CONVERSIONS for msghdr */
    1036           7 : static void from_zval_write_name(const zval *zname_arr, char *msghdr_c, ser_context *ctx)
    1037             : {
    1038             :         struct sockaddr *sockaddr;
    1039             :         socklen_t               sockaddr_len;
    1040           7 :         struct msghdr   *msghdr = (struct msghdr *)msghdr_c;
    1041             : 
    1042           7 :         from_zval_write_sockaddr_aux(zname_arr, &sockaddr, &sockaddr_len, ctx);
    1043             : 
    1044           7 :         msghdr->msg_name = sockaddr;
    1045           7 :         msghdr->msg_namelen = sockaddr_len;
    1046           7 : }
    1047           4 : static void to_zval_read_name(const char *sockaddr_p, zval *zv, res_context *ctx)
    1048             : {
    1049           4 :         void *name = (void*)*(void**)sockaddr_p;
    1050           4 :         if (name == NULL) {
    1051           0 :                 ZVAL_NULL(zv);
    1052             :         } else {
    1053           4 :                 to_zval_read_sockaddr_aux(name, zv, ctx);
    1054             :         }
    1055           4 : }
    1056           4 : static void from_zval_write_msghdr_buffer_size(const zval *elem, char *msghdr_c, ser_context *ctx)
    1057             : {
    1058             :         zend_long lval;
    1059           4 :         struct msghdr *msghdr = (struct msghdr *)msghdr_c;
    1060             : 
    1061           4 :         lval = from_zval_integer_common(elem, ctx);
    1062           4 :         if (ctx->err.has_error) {
    1063           0 :                 return;
    1064             :         }
    1065             : 
    1066           4 :         if (lval < 0 || lval > MAX_USER_BUFF_SIZE) {
    1067           0 :                 do_from_zval_err(ctx, "the buffer size must be between 1 and %pd; "
    1068             :                                 "given %pd", (zend_long)MAX_USER_BUFF_SIZE, lval);
    1069           0 :                 return;
    1070             :         }
    1071             : 
    1072           4 :         msghdr->msg_iovlen = 1;
    1073           4 :         msghdr->msg_iov = accounted_emalloc(sizeof(*msghdr->msg_iov) * 1, ctx);
    1074           4 :         msghdr->msg_iov[0].iov_base = accounted_emalloc((size_t)lval, ctx);
    1075           4 :         msghdr->msg_iov[0].iov_len = (size_t)lval;
    1076             : }
    1077          12 : static void from_zval_write_iov_array_aux(zval *elem, unsigned i, void **args, ser_context *ctx)
    1078             : {
    1079          12 :         struct msghdr   *msg = args[0];
    1080             :         size_t                  len;
    1081             : 
    1082          12 :         if (Z_REFCOUNTED_P(elem)) {
    1083             :                 Z_ADDREF_P(elem);
    1084             :         }
    1085          12 :         convert_to_string_ex(elem);
    1086             : 
    1087          12 :         len = Z_STRLEN_P(elem);
    1088          12 :         msg->msg_iov[i - 1].iov_base = accounted_emalloc(len, ctx);
    1089          12 :         msg->msg_iov[i - 1].iov_len = len;
    1090          12 :         memcpy(msg->msg_iov[i - 1].iov_base, Z_STRVAL_P(elem), len);
    1091             : 
    1092          12 :         zval_ptr_dtor(elem);
    1093          12 : }
    1094           4 : static void from_zval_write_iov_array(const zval *arr, char *msghdr_c, ser_context *ctx)
    1095             : {
    1096             :         int                             num_elem;
    1097           4 :         struct msghdr   *msg = (struct msghdr*)msghdr_c;
    1098             : 
    1099           4 :         if (Z_TYPE_P(arr) != IS_ARRAY) {
    1100           0 :                 do_from_zval_err(ctx, "%s", "expected an array here");
    1101           0 :                 return;
    1102             :         }
    1103             : 
    1104           4 :         num_elem = zend_hash_num_elements(Z_ARRVAL_P(arr));
    1105           4 :         if (num_elem == 0) {
    1106           0 :                 return;
    1107             :         }
    1108             : 
    1109           4 :         msg->msg_iov = accounted_safe_ecalloc(num_elem, sizeof *msg->msg_iov, 0, ctx);
    1110           4 :         msg->msg_iovlen = (size_t)num_elem;
    1111             : 
    1112           4 :     from_array_iterate(arr, from_zval_write_iov_array_aux, (void**)&msg, ctx);
    1113             : }
    1114           4 : static void from_zval_write_controllen(const zval *elem, char *msghdr_c, ser_context *ctx)
    1115             : {
    1116           4 :         struct msghdr *msghdr = (struct msghdr *)msghdr_c;
    1117             :         uint32_t len;
    1118             : 
    1119             :         /* controllen should be an unsigned with at least 32-bit. Let's assume
    1120             :          * this least common denominator
    1121             :          */
    1122           4 :         from_zval_write_uint32(elem, (char*)&len, ctx);
    1123           4 :         if (!ctx->err.has_error && len == 0) {
    1124           0 :                 do_from_zval_err(ctx, "controllen cannot be 0");
    1125           0 :                 return;
    1126             :         }
    1127           4 :         msghdr->msg_control = accounted_emalloc(len, ctx);
    1128           4 :         msghdr->msg_controllen = len;
    1129             : }
    1130           4 : void from_zval_write_msghdr_send(const zval *container, char *msghdr_c, ser_context *ctx)
    1131             : {
    1132             :         static const field_descriptor descriptors[] = {
    1133             :                         {"name", sizeof("name"), 0, 0, from_zval_write_name, 0},
    1134             :                         {"iov", sizeof("iov"), 0, 0, from_zval_write_iov_array, 0},
    1135             :                         {"control", sizeof("control"), 0, 0, from_zval_write_control_array, 0},
    1136             :                         {0}
    1137             :         };
    1138             : 
    1139           4 :         from_zval_write_aggregation(container, msghdr_c, descriptors, ctx);
    1140           4 : }
    1141           4 : void from_zval_write_msghdr_recv(const zval *container, char *msghdr_c, ser_context *ctx)
    1142             : {
    1143             :         /* zval to struct msghdr, version for recvmsg(). It differs from the version
    1144             :          * for sendmsg() in that it:
    1145             :          *      - has a buffer_size instead of an iov array;
    1146             :          *      - has no control element; has a controllen element instead
    1147             :          * struct msghdr {
    1148             :          *    void *msg_name;
    1149             :          *    socklen_t msg_namelen;
    1150             :          *    struct iovec *msg_iov;
    1151             :          *    size_t msg_iovlen;
    1152             :          *    void *msg_control;
    1153             :          *    size_t msg_controllen; //can also be socklen_t
    1154             :          *    int msg_flags;
    1155             :          * };
    1156             :          */
    1157             :         static const field_descriptor descriptors[] = {
    1158             :                         {"name", sizeof("name"), 0, 0, from_zval_write_name, 0},
    1159             :                         {"buffer_size", sizeof("buffer_size"), 0, 0, from_zval_write_msghdr_buffer_size, 0},
    1160             :                         {"controllen", sizeof("controllen"), 1, 0, from_zval_write_controllen, 0},
    1161             :                         {0}
    1162             :         };
    1163           4 :         struct msghdr   *msghdr = (struct msghdr *)msghdr_c;
    1164           4 :         const int               falsev = 0,
    1165           4 :                                         *falsevp = &falsev;
    1166             : 
    1167           8 :         if (zend_hash_str_add_ptr(&ctx->params, KEY_FILL_SOCKADDR, sizeof(KEY_FILL_SOCKADDR) - 1, (void *)falsevp) == NULL) {
    1168           0 :                 do_from_zval_err(ctx, "could not add fill_sockaddr; this is a bug");
    1169           0 :                 return;
    1170             :         }
    1171             : 
    1172           4 :         from_zval_write_aggregation(container, msghdr_c, descriptors, ctx);
    1173             : 
    1174           4 :         zend_hash_str_del(&ctx->params, KEY_FILL_SOCKADDR, sizeof(KEY_FILL_SOCKADDR) - 1);
    1175           4 :         if (ctx->err.has_error) {
    1176           0 :                 return;
    1177             :         }
    1178             : 
    1179           4 :         if (msghdr->msg_iovlen == 0) {
    1180           0 :                 msghdr->msg_iovlen = 1;
    1181           0 :                 msghdr->msg_iov = accounted_emalloc(sizeof(*msghdr->msg_iov) * 1, ctx);
    1182           0 :                 msghdr->msg_iov[0].iov_base = accounted_emalloc((size_t)DEFAULT_BUFF_SIZE, ctx);
    1183           0 :                 msghdr->msg_iov[0].iov_len = (size_t)DEFAULT_BUFF_SIZE;
    1184             :         }
    1185             : }
    1186             : 
    1187           4 : static void to_zval_read_iov(const char *msghdr_c, zval *zv, res_context *ctx)
    1188             : {
    1189           4 :         const struct msghdr     *msghdr = (const struct msghdr *)msghdr_c;
    1190           4 :         size_t                          iovlen = msghdr->msg_iovlen;
    1191             :         ssize_t                         *recvmsg_ret,
    1192             :                                                 bytes_left;
    1193             :         uint                            i;
    1194             : 
    1195           4 :         if (iovlen > UINT_MAX) {
    1196           0 :                 do_to_zval_err(ctx, "unexpectedly large value for iov_len: %lu",
    1197             :                                 (unsigned long)iovlen);
    1198             :         }
    1199           4 :         array_init_size(zv, (uint)iovlen);
    1200             : 
    1201           8 :         if ((recvmsg_ret = zend_hash_str_find_ptr(&ctx->params, KEY_RECVMSG_RET, sizeof(KEY_RECVMSG_RET) - 1)) == NULL) {
    1202           0 :                 do_to_zval_err(ctx, "recvmsg_ret not found in params. This is a bug");
    1203           0 :                 return;
    1204             :         }
    1205           4 :         bytes_left = *recvmsg_ret;
    1206             : 
    1207           8 :         for (i = 0; bytes_left > 0 && i < (uint)iovlen; i++) {
    1208             :                 zval elem;
    1209           4 :                 size_t len = MIN(msghdr->msg_iov[i].iov_len, (size_t)bytes_left);
    1210           4 :                 zend_string     *buf = zend_string_alloc(len, 0);
    1211             : 
    1212           4 :                 memcpy(buf->val, msghdr->msg_iov[i].iov_base, buf->len);
    1213           4 :                 buf->val[buf->len] = '\0';
    1214             : 
    1215           4 :                 ZVAL_NEW_STR(&elem, buf);
    1216           4 :                 add_next_index_zval(zv, &elem);
    1217           4 :                 bytes_left -= len;
    1218             :         }
    1219             : }
    1220           4 : void to_zval_read_msghdr(const char *msghdr_c, zval *zv, res_context *ctx)
    1221             : {
    1222             :         static const field_descriptor descriptors[] = {
    1223             :                         {"name", sizeof("name"), 0, offsetof(struct msghdr, msg_name), 0, to_zval_read_name},
    1224             :                         {"control", sizeof("control"), 0, 0, 0, to_zval_read_control_array},
    1225             :                         {"iov", sizeof("iov"), 0, 0, 0, to_zval_read_iov},
    1226             :                         {"flags", sizeof("flags"), 0, offsetof(struct msghdr, msg_flags), 0, to_zval_read_int},
    1227             :                         {0}
    1228             :         };
    1229             : 
    1230           4 :         array_init_size(zv, 4);
    1231             : 
    1232           4 :         to_zval_read_aggregation(msghdr_c, zv, descriptors, ctx);
    1233           4 : }
    1234             : 
    1235             : /* CONVERSIONS for if_index */
    1236           1 : static void from_zval_write_ifindex(const zval *zv, char *uinteger, ser_context *ctx)
    1237             : {
    1238           1 :         unsigned ret = 0;
    1239             : 
    1240           1 :         if (Z_TYPE_P(zv) == IS_LONG) {
    1241           1 :                 if (Z_LVAL_P(zv) < 0 || Z_LVAL_P(zv) > UINT_MAX) { /* allow 0 (unspecified interface) */
    1242           0 :                         do_from_zval_err(ctx, "the interface index cannot be negative or "
    1243             :                                         "larger than %u; given %pd", UINT_MAX, Z_LVAL_P(zv));
    1244             :                 } else {
    1245           1 :                         ret = (unsigned)Z_LVAL_P(zv);
    1246             :                 }
    1247             :         } else {
    1248             :                 zend_string *str;
    1249             :                 TSRMLS_FETCH();
    1250             :                 
    1251           0 :                 str = zval_get_string((zval *) zv);
    1252             : 
    1253             : #if HAVE_IF_NAMETOINDEX
    1254           0 :                 ret = if_nametoindex(str->val);
    1255           0 :                 if (ret == 0) {
    1256           0 :                         do_from_zval_err(ctx, "no interface with name \"%s\" could be found", str->val);
    1257             :                 }
    1258             : #elif defined(SIOCGIFINDEX)
    1259             :                 {
    1260             :                         struct ifreq ifr;
    1261             :                         if (strlcpy(ifr.ifr_name, str->val, sizeof(ifr.ifr_name))
    1262             :                                         >= sizeof(ifr.ifr_name)) {
    1263             :                                 do_from_zval_err(ctx, "the interface name \"%s\" is too large ", str->val);
    1264             :                         } else if (ioctl(ctx->sock->bsd_socket, SIOCGIFINDEX, &ifr) < 0) {
    1265             :                                 if (errno == ENODEV) {
    1266             :                                         do_from_zval_err(ctx, "no interface with name \"%s\" could be "
    1267             :                                                         "found", str->val);
    1268             :                                 } else {
    1269             :                                         do_from_zval_err(ctx, "error fetching interface index for "
    1270             :                                                         "interface with name \"%s\" (errno %d)",
    1271             :                                                         str->val, errno);
    1272             :                                 }
    1273             :                         } else {
    1274             :                                 ret = (unsigned)ifr.ifr_ifindex;
    1275             :                         }
    1276             :                 }
    1277             : #else
    1278             :                 do_from_zval_err(ctx,
    1279             :                                 "this platform does not support looking up an interface by "
    1280             :                                 "name, an integer interface index must be supplied instead");
    1281             : #endif
    1282             : 
    1283             :                 zend_string_release(str);
    1284             :         }
    1285             : 
    1286           1 :         if (!ctx->err.has_error) {
    1287           1 :                 memcpy(uinteger, &ret, sizeof(ret));
    1288             :         }
    1289           1 : }
    1290             : 
    1291             : /* CONVERSIONS for struct in6_pktinfo */
    1292             : #if defined(IPV6_PKTINFO) && HAVE_IPV6
    1293             : static const field_descriptor descriptors_in6_pktinfo[] = {
    1294             :                 {"addr", sizeof("addr"), 1, offsetof(struct in6_pktinfo, ipi6_addr), from_zval_write_sin6_addr, to_zval_read_sin6_addr},
    1295             :                 {"ifindex", sizeof("ifindex"), 1, offsetof(struct in6_pktinfo, ipi6_ifindex), from_zval_write_ifindex, to_zval_read_unsigned},
    1296             :                 {0}
    1297             : };
    1298           2 : void from_zval_write_in6_pktinfo(const zval *container, char *in6_pktinfo_c, ser_context *ctx)
    1299             : {
    1300           2 :         from_zval_write_aggregation(container, in6_pktinfo_c, descriptors_in6_pktinfo, ctx);
    1301           2 : }
    1302           2 : void to_zval_read_in6_pktinfo(const char *data, zval *zv, res_context *ctx)
    1303             : {
    1304           2 :         array_init_size(zv, 2);
    1305             : 
    1306           2 :         to_zval_read_aggregation(data, zv, descriptors_in6_pktinfo, ctx);
    1307           2 : }
    1308             : #endif
    1309             : 
    1310             : /* CONVERSIONS for struct ucred */
    1311             : #ifdef SO_PASSCRED
    1312             : static const field_descriptor descriptors_ucred[] = {
    1313             :                 {"pid", sizeof("pid"), 1, offsetof(struct ucred, pid), from_zval_write_pid_t, to_zval_read_pid_t},
    1314             :                 {"uid", sizeof("uid"), 1, offsetof(struct ucred, uid), from_zval_write_uid_t, to_zval_read_uid_t},
    1315             :                 /* assume the type gid_t is the same as uid_t: */
    1316             :                 {"gid", sizeof("gid"), 1, offsetof(struct ucred, gid), from_zval_write_uid_t, to_zval_read_uid_t},
    1317             :                 {0}
    1318             : };
    1319           0 : void from_zval_write_ucred(const zval *container, char *ucred_c, ser_context *ctx)
    1320             : {
    1321           0 :         from_zval_write_aggregation(container, ucred_c, descriptors_ucred, ctx);
    1322           0 : }
    1323           1 : void to_zval_read_ucred(const char *data, zval *zv, res_context *ctx)
    1324             : {
    1325           1 :         array_init_size(zv, 3);
    1326             : 
    1327           1 :         to_zval_read_aggregation(data, zv, descriptors_ucred, ctx);
    1328           1 : }
    1329             : #endif
    1330             : 
    1331             : /* CONVERSIONS for SCM_RIGHTS */
    1332             : #ifdef SCM_RIGHTS
    1333           1 : size_t calculate_scm_rights_space(const zval *arr, ser_context *ctx)
    1334             : {
    1335             :         int num_elems;
    1336             : 
    1337           1 :         if (Z_TYPE_P(arr) != IS_ARRAY) {
    1338           0 :                 do_from_zval_err(ctx, "%s", "expected an array here");
    1339           0 :                 return (size_t)-1;
    1340             :         }
    1341             : 
    1342           1 :         num_elems = zend_hash_num_elements(Z_ARRVAL_P(arr));
    1343           1 :         if (num_elems == 0) {
    1344           0 :                 do_from_zval_err(ctx, "%s", "expected at least one element in this array");
    1345           0 :                 return (size_t)-1;
    1346             :         }
    1347             : 
    1348           1 :         return zend_hash_num_elements(Z_ARRVAL_P(arr)) * sizeof(int);
    1349             : }
    1350           4 : static void from_zval_write_fd_array_aux(zval *elem, unsigned i, void **args, ser_context *ctx)
    1351             : {
    1352           4 :         int *iarr = args[0];
    1353             :         TSRMLS_FETCH();
    1354             : 
    1355           4 :         if (Z_TYPE_P(elem) == IS_RESOURCE) {
    1356             :                 php_stream *stream;
    1357             :                 php_socket *sock;
    1358             : 
    1359           4 :                 ZEND_FETCH_RESOURCE_NO_RETURN(sock, php_socket *, elem, -1,
    1360             :                                 NULL, php_sockets_le_socket());
    1361           4 :                 if (sock) {
    1362           1 :                         iarr[i] = sock->bsd_socket;
    1363           1 :                         return;
    1364             :                 }
    1365             : 
    1366           3 :                 ZEND_FETCH_RESOURCE2_NO_RETURN(stream, php_stream *, elem, -1,
    1367             :                                 NULL, php_file_le_stream(), php_file_le_pstream());
    1368           3 :                 if (stream == NULL) {
    1369           0 :                         do_from_zval_err(ctx, "resource is not a stream or a socket");
    1370           0 :                         return;
    1371             :                 }
    1372             : 
    1373           3 :                 if (php_stream_cast(stream, PHP_STREAM_AS_FD, (void **)&iarr[i - 1],
    1374             :                                 REPORT_ERRORS) == FAILURE) {
    1375           0 :                         do_from_zval_err(ctx, "cast stream to file descriptor failed");
    1376           0 :                         return;
    1377             :                 }
    1378             :         } else {
    1379           0 :                 do_from_zval_err(ctx, "expected a resource variable");
    1380             :         }
    1381             : }
    1382           1 : void from_zval_write_fd_array(const zval *arr, char *int_arr, ser_context *ctx)
    1383             : {
    1384           1 :         if (Z_TYPE_P(arr) != IS_ARRAY) {
    1385           0 :                 do_from_zval_err(ctx, "%s", "expected an array here");
    1386           0 :                 return;
    1387             :         }
    1388             : 
    1389           1 :    from_array_iterate(arr, &from_zval_write_fd_array_aux, (void**)&int_arr, ctx);
    1390             : }
    1391           1 : void to_zval_read_fd_array(const char *data, zval *zv, res_context *ctx)
    1392             : {
    1393             :         size_t                  *cmsg_len;
    1394             :         int                             num_elems,
    1395             :                                         i;
    1396           1 :         struct cmsghdr  *dummy_cmsg = 0;
    1397             :         size_t                  data_offset;
    1398             :         TSRMLS_FETCH();
    1399             : 
    1400           1 :         data_offset = (unsigned char *)CMSG_DATA(dummy_cmsg)
    1401             :                         - (unsigned char *)dummy_cmsg;
    1402             : 
    1403           2 :         if ((cmsg_len = zend_hash_str_find_ptr(&ctx->params, KEY_CMSG_LEN, sizeof(KEY_CMSG_LEN) - 1)) == NULL) {
    1404           0 :                 do_to_zval_err(ctx, "could not get value of parameter " KEY_CMSG_LEN);
    1405           0 :                 return;
    1406             :         }
    1407             : 
    1408           1 :         if (*cmsg_len < data_offset) {
    1409           0 :                 do_to_zval_err(ctx, "length of cmsg is smaller than its data member "
    1410           0 :                                 "offset (%pd vs %pd)", (zend_long)*cmsg_len, (zend_long)data_offset);
    1411           0 :                 return;
    1412             :         }
    1413           1 :         num_elems = (*cmsg_len - data_offset) / sizeof(int);
    1414             : 
    1415           1 :         array_init_size(zv, num_elems);
    1416             : 
    1417           5 :         for (i = 0; i < num_elems; i++) {
    1418             :                 zval            elem;
    1419             :                 int                     fd;
    1420             :                 struct stat     statbuf;
    1421             : 
    1422           4 :                 fd = *((int *)data + i);
    1423             : 
    1424             :                 /* determine whether we have a socket */
    1425           4 :                 if (fstat(fd, &statbuf) == -1) {
    1426           0 :                         do_to_zval_err(ctx, "error creating resource for received file "
    1427             :                                         "descriptor %d: fstat() call failed with errno %d", fd, errno);
    1428           0 :                         return;
    1429             :                 }
    1430           4 :                 if (S_ISSOCK(statbuf.st_mode)) {
    1431           0 :                         php_socket *sock = socket_import_file_descriptor(fd TSRMLS_CC);
    1432           0 :                         zend_register_resource(&elem, sock, php_sockets_le_socket() TSRMLS_CC);
    1433             :                 } else {
    1434           4 :                         php_stream *stream = php_stream_fopen_from_fd(fd, "rw", NULL);
    1435           4 :                         php_stream_to_zval(stream, &elem);
    1436             :                 }
    1437             : 
    1438           4 :                 add_next_index_zval(zv, &elem);
    1439             :         }
    1440             : }
    1441             : #endif
    1442             : 
    1443             : /* ENTRY POINT for conversions */
    1444          47 : static void free_from_zval_allocation(void *alloc_ptr_ptr)
    1445             : {
    1446          47 :         efree(*(void**)alloc_ptr_ptr);
    1447          47 : }
    1448          10 : void *from_zval_run_conversions(const zval                      *container,
    1449             :                                                                 php_socket                      *sock,
    1450             :                                                                 from_zval_write_field   *writer,
    1451             :                                                                 size_t                          struct_size,
    1452             :                                                                 const char                      *top_name,
    1453             :                                                                 zend_llist                      **allocations /* out */,
    1454             :                                                                 struct err_s                    *err /* in/out */)
    1455             : {
    1456          10 :         ser_context ctx = {{0}};
    1457          10 :         char *structure = NULL;
    1458             : 
    1459          10 :         *allocations = NULL;
    1460             : 
    1461          10 :         if (err->has_error) {
    1462           0 :                 return NULL;
    1463             :         }
    1464             : 
    1465          10 :         zend_hash_init(&ctx.params, 8, NULL, NULL, 0);
    1466          10 :         zend_llist_init(&ctx.keys, sizeof(const char *), NULL, 0);
    1467          10 :         zend_llist_init(&ctx.allocations, sizeof(void *), &free_from_zval_allocation, 0);
    1468          10 :         ctx.sock = sock;
    1469             : 
    1470          10 :         structure = ecalloc(1, struct_size);
    1471             : 
    1472          10 :         zend_llist_add_element(&ctx.keys, &top_name);
    1473          10 :         zend_llist_add_element(&ctx.allocations, &structure);
    1474             : 
    1475             :         /* main call */
    1476          10 :         writer(container, structure, &ctx);
    1477             : 
    1478          10 :         if (ctx.err.has_error) {
    1479           1 :                 zend_llist_destroy(&ctx.allocations); /* deallocates structure as well */
    1480           1 :                 structure = NULL;
    1481           1 :                 *err = ctx.err;
    1482             :         } else {
    1483           9 :                 *allocations = emalloc(sizeof **allocations);
    1484           9 :                 **allocations = ctx.allocations;
    1485             :         }
    1486             : 
    1487          10 :         zend_llist_destroy(&ctx.keys);
    1488          10 :         zend_hash_destroy(&ctx.params);
    1489             : 
    1490          10 :         return structure;
    1491             : }
    1492           4 : zval *to_zval_run_conversions(const char *structure,
    1493             :                                                           to_zval_read_field *reader,
    1494             :                                                           const char *top_name,
    1495             :                                                           const struct key_value *key_value_pairs,
    1496             :                                                           struct err_s *err, zval *zv)
    1497             : {
    1498           4 :         res_context                             ctx = {{0}, {0}};
    1499             :         const struct key_value  *kv;
    1500             : 
    1501           4 :         if (err->has_error) {
    1502           0 :                 return NULL;
    1503             :         }
    1504             : 
    1505           4 :         zend_llist_init(&ctx.keys, sizeof(const char *), NULL, 0);
    1506           4 :         zend_llist_add_element(&ctx.keys, &top_name);
    1507             : 
    1508           4 :         zend_hash_init(&ctx.params, 8, NULL, NULL, 0);
    1509           8 :         for (kv = key_value_pairs; kv->key != NULL; kv++) {
    1510           4 :                 zend_hash_str_update_ptr(&ctx.params, kv->key, kv->key_size - 1, kv->value);
    1511             :         }
    1512             : 
    1513           4 :         ZVAL_NULL(zv);
    1514             :         /* main call */
    1515           4 :         reader(structure, zv, &ctx);
    1516             : 
    1517           4 :         if (ctx.err.has_error) {
    1518           0 :                 zval_ptr_dtor(zv);
    1519           0 :                 ZVAL_UNDEF(zv);
    1520           0 :                 *err = ctx.err;
    1521             :         }
    1522             : 
    1523           4 :         zend_llist_destroy(&ctx.keys);
    1524           4 :         zend_hash_destroy(&ctx.params);
    1525             : 
    1526           4 :         return Z_ISUNDEF_P(zv)? NULL : zv;
    1527             : }

Generated by: LCOV version 1.10

Generated at Wed, 22 Oct 2014 07:24:57 +0000 (2 hours ago)

Copyright © 2005-2014 The PHP Group
All rights reserved.