Rizin
unix-like reverse engineering framework and cli tools
Classes | Macros | Functions | Variables
io_fd.c File Reference
#include "rz_io.h"
#include "rz_lib.h"
#include <stdio.h>
#include <stdlib.h>
#include <rz_cons.h>
#include <sys/types.h>

Go to the source code of this file.

Classes

struct  RzIOFdata
 

Macros

#define FDURI   "fd://"
 

Functions

static int __write (RzIO *io, RzIODesc *desc, const ut8 *buf, int count)
 
static bool __resize (RzIO *io, RzIODesc *desc, ut64 count)
 
static int __read (RzIO *io, RzIODesc *desc, ut8 *buf, int count)
 
static int __close (RzIODesc *desc)
 
static ut64 __lseek (RzIO *io, RzIODesc *desc, ut64 offset, int whence)
 
static bool __check (RzIO *io, const char *pathname, bool many)
 
static RzIODesc * __open (RzIO *io, const char *pathname, int rw, int mode)
 

Variables

RzIOPlugin rz_io_plugin_fd
 
RZ_API RzLibStruct rizin_plugin
 

Macro Definition Documentation

◆ FDURI

#define FDURI   "fd://"

Definition at line 14 of file io_fd.c.

Function Documentation

◆ __check()

static bool __check ( RzIO *  io,
const char *  pathname,
bool  many 
)
static

Definition at line 61 of file io_fd.c.

61  {
62  return !strncmp(pathname, FDURI, strlen(FDURI));
63 }
pathname
static static fork const void static count static fd const char const char static newpath char char char static envp time_t static t const char static mode static whence const char static dir time_t static t unsigned static seconds const char struct utimbuf static buf static inc static sig const char pathname
Definition: sflib.h:66
FDURI
#define FDURI
Definition: io_fd.c:14

References FDURI, and pathname.

Referenced by __open().

◆ __close()

static int __close ( RzIODesc *  desc)
static

Definition at line 48 of file io_fd.c.

48  {
49  RZ_FREE(desc->data);
50  return 0;
51 }
desc
const char * desc
Definition: bin_vsf.c:19
RZ_FREE
#define RZ_FREE(x)
Definition: rz_types.h:369

References desc, and RZ_FREE.

◆ __lseek()

static ut64 __lseek ( RzIO *  io,
RzIODesc *  desc,
ut64  offset,
int  whence 
)
static

Definition at line 53 of file io_fd.c.

53  {
54  RzIOFdata *fdd = (RzIOFdata *)desc->data;
55  if (fdd) {
56  return lseek(fdd->fd, offset, whence);
57  }
58  return 0;
59 }
lseek
static static sync static getppid static getegid const char static filename char static len const char char static bufsiz static mask static vfork const void static prot static getpgrp const char static swapflags static arg static fd static protocol static who struct sockaddr static addrlen static backlog struct timeval struct timezone static tz const struct iovec static count static mode const void const struct sockaddr static tolen const char static pathname void static offset struct stat static buf void long static basep lseek
Definition: sflib.h:113
offset
voidpf uLong offset
Definition: ioapi.h:144
RzIOFdata::fd
int fd
Definition: io_fd.c:18
if
if(dbg->bits==RZ_SYS_BITS_64)
Definition: windows-arm64.h:4

References desc, RzIOFdata::fd, if(), and lseek.

◆ __open()

static RzIODesc* __open ( RzIO *  io,
const char *  pathname,
int  rw,
int  mode 
)
static

Definition at line 65 of file io_fd.c.

65  {
66  if (!__check(io, pathname, 0)) {
67  return NULL;
68  }
69  RzIOFdata *fdd = RZ_NEW0(RzIOFdata);
70  if (fdd) {
71  fdd->fd = rz_num_math(NULL, pathname + strlen(FDURI));
72 #if __WINDOWS__
73  fdd->fd = _open_osfhandle(fdd->fd, 0);
74 #endif
75  if (fdd->fd < 0) {
76  free(fdd);
77  eprintf("Invalid filedescriptor.\n");
78  return NULL;
79  }
80  }
81  return rz_io_desc_new(io, &rz_io_plugin_fd, pathname, RZ_PERM_RW | rw, mode, fdd);
82 }
NULL
#define NULL
Definition: cris-opc.c:27
free
RZ_API void Ht_() free(HtName_(Ht) *ht)
Definition: ht_inc.c:130
mode
const char int mode
Definition: ioapi.h:137
__check
static bool __check(RzIO *io, const char *pathname, bool many)
Definition: io_fd.c:61
rz_io_plugin_fd
RzIOPlugin rz_io_plugin_fd
Definition: io_fd.c:84
eprintf
#define eprintf(x, y...)
Definition: rlcc.c:7
rz_io_desc_new
RZ_API RzIODesc * rz_io_desc_new(RzIO *io, RzIOPlugin *plugin, const char *uri, int flags, int mode, void *data)
Definition: io_desc.c:11
rz_num_math
RZ_API ut64 rz_num_math(RzNum *num, const char *str)
Definition: unum.c:456
RZ_NEW0
#define RZ_NEW0(x)
Definition: rz_types.h:284
RZ_PERM_RW
#define RZ_PERM_RW
Definition: rz_types.h:96

References __check(), eprintf, RzIOFdata::fd, FDURI, free(), NULL, pathname, rz_io_desc_new(), rz_io_plugin_fd, RZ_NEW0, rz_num_math(), and RZ_PERM_RW.

◆ __read()

static int __read ( RzIO *  io,
RzIODesc *  desc,
ut8 *  buf,
int  count 
)
static

Definition at line 37 of file io_fd.c.

37  {
38  RzIOFdata *fdd = (RzIOFdata *)desc->data;
39  if (fdd) {
40  rz_cons_break_push(NULL, NULL);
41  int res = read(fdd->fd, buf, count);
42  rz_cons_break_pop();
43  return res;
44  }
45  return -1;
46 }
rz_cons_break_pop
RZ_API void rz_cons_break_pop(void)
Definition: cons.c:361
rz_cons_break_push
RZ_API void rz_cons_break_push(RzConsBreak cb, void *user)
Definition: cons.c:357
count
static static sync static getppid static getegid const char static filename char static len const char char static bufsiz static mask static vfork const void static prot static getpgrp const char static swapflags static arg static fd static protocol static who struct sockaddr static addrlen static backlog struct timeval struct timezone static tz const struct iovec static count static mode const void const struct sockaddr static tolen const char static pathname void count
Definition: sflib.h:98
buf
voidpf void * buf
Definition: ioapi.h:138
read
int read(izstream &zs, T *x, Items items)
Definition: zstream.h:115

References count, desc, RzIOFdata::fd, if(), NULL, read(), rz_cons_break_pop(), and rz_cons_break_push().

◆ __resize()

static bool __resize ( RzIO *  io,
RzIODesc *  desc,
ut64  count 
)
static

Definition at line 29 of file io_fd.c.

29  {
30  RzIOFdata *fdd = (RzIOFdata *)desc->data;
31  if (fdd) {
32  return ftruncate(fdd->fd, count) == 0;
33  }
34  return false;
35 }
ftruncate
static static sync static getppid static getegid const char static filename char static len const char char static bufsiz static mask static vfork const void static prot static getpgrp const char static swapflags static arg static fd static protocol static who struct sockaddr static addrlen static backlog struct timeval struct timezone static tz const struct iovec static count static mode const void const struct sockaddr static tolen const char static pathname void static offset struct stat static buf void long static basep static whence ftruncate
Definition: sflib.h:113

References count, desc, RzIOFdata::fd, ftruncate, and if().

◆ __write()

static int __write ( RzIO *  io,
RzIODesc *  desc,
const ut8 *  buf,
int  count 
)
static

Definition at line 21 of file io_fd.c.

21  {
22  RzIOFdata *fdd = (RzIOFdata *)desc->data;
23  if (fdd) {
24  return write(fdd->fd, buf, count);
25  }
26  return -1;
27 }
write
static static fork write
Definition: sflib.h:33

References count, desc, RzIOFdata::fd, if(), and write.

Variable Documentation

◆ rizin_plugin

RZ_API RzLibStruct rizin_plugin
Initial value:
= {
.type = RZ_LIB_TYPE_IO,
.data = &rz_io_plugin_fd,
.version = RZ_VERSION
}
RZ_LIB_TYPE_IO
@ RZ_LIB_TYPE_IO
Definition: rz_lib.h:69
RZ_VERSION
#define RZ_VERSION
Definition: rz_version.h:8
rz_io_plugin_t::version
const char * version
Definition: rz_io.h:117

Definition at line 104 of file io_fd.c.

◆ rz_io_plugin_fd

RzIOPlugin rz_io_plugin_fd
Initial value:
= {
.name = "fd",
.desc = "Local process filedescriptor IO",
.uris = FDURI,
.license = "MIT",
.open = __open,
.close = __close,
.read = __read,
.check = __check,
.lseek = __lseek,
.write = __write,
.resize = __resize,
}
__close
static int __close(RzIODesc *desc)
Definition: io_fd.c:48
__open
static RzIODesc * __open(RzIO *io, const char *pathname, int rw, int mode)
Definition: io_fd.c:65
__resize
static bool __resize(RzIO *io, RzIODesc *desc, ut64 count)
Definition: io_fd.c:29
__read
static int __read(RzIO *io, RzIODesc *desc, ut8 *buf, int count)
Definition: io_fd.c:37
__lseek
static ut64 __lseek(RzIO *io, RzIODesc *desc, ut64 offset, int whence)
Definition: io_fd.c:53
__write
static int __write(RzIO *io, RzIODesc *desc, const ut8 *buf, int count)
Definition: io_fd.c:21

Definition at line 84 of file io_fd.c.

Referenced by __open().