ported smb:// to the new stream api, patch by Matthieu Tourne [matthieu puntum tourne ab gmail puntum com]

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15520 b3059339-0415-0410-9bf9-f77b7e298cf2

libmpdemux/stream_smb.c

@@ -0,0 +1,153 @@
+
+#include "config.h"
+
+#ifdef LIBSMBCLIENT
+
+#include <libsmbclient.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#include "mp_msg.h"
+#include "stream.h"
+#include "help_mp.h"
+#include "../m_option.h"
+#include "../m_struct.h"
+
+static struct stream_priv_s {
+} stream_priv_dflts = {
+};
+
+#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
+// URL definition
+static m_option_t stream_opts_fields[] = {
+  { NULL, NULL, 0, 0, 0, 0,  NULL }
+};
+
+static struct m_struct_st stream_opts = {
+  "smb",
+  sizeof(struct stream_priv_s),
+  &stream_priv_dflts,
+  stream_opts_fields
+};
+
+static char smb_password[15];
+static char smb_username[15];
+
+static void smb_auth_fn(const char *server, const char *share,
+             char *workgroup, int wgmaxlen, char *username, int unmaxlen,
+	     char *password, int pwmaxlen)
+{
+  char temp[128];
+  
+  strcpy(temp, "LAN");				  
+  if (temp[strlen(temp) - 1] == 0x0a)
+    temp[strlen(temp) - 1] = 0x00;
+  
+  if (temp[0]) strncpy(workgroup, temp, wgmaxlen - 1);
+  
+  strcpy(temp, smb_username); 
+  if (temp[strlen(temp) - 1] == 0x0a)
+    temp[strlen(temp) - 1] = 0x00;
+  
+  if (temp[0]) strncpy(username, temp, unmaxlen - 1);
+						      
+  strcpy(temp, smb_password); 
+  if (temp[strlen(temp) - 1] == 0x0a)
+    temp[strlen(temp) - 1] = 0x00;
+								
+   if (temp[0]) strncpy(password, temp, pwmaxlen - 1);
+}
+
+static int seek(stream_t *s,off_t newpos) {
+  s->pos = newpos;
+  if(smbc_lseek(s->fd,s->pos,SEEK_SET)<0) {
+    s->eof=1;
+    return 0;
+  }
+  return 1;
+}
+
+static int fill_buffer(stream_t *s, char* buffer, int max_len){
+  int r = smbc_read(s->fd,buffer,max_len);
+  return (r <= 0) ? -1 : r;
+}
+
+static int write_buffer(stream_t *s, char* buffer, int len) {
+  int r = smbc_write(s->fd,buffer,len);
+  return (r <= 0) ? -1 : r;
+}
+
+static void close_f(stream_t *s){
+  smbc_close(s->fd);
+}
+
+static int open_f (stream_t *stream, int mode, void *opts, int* file_format) {
+  struct stream_priv_s *p = (struct stream_priv_s*)opts;
+  char *filename;
+  mode_t m = 0;
+  off_t len;
+  int fd, err;
+  
+  filename = stream->url;
+  
+  if(mode == STREAM_READ)
+    m = O_RDONLY;
+  else if (mode == STREAM_WRITE) //who's gonna do that ?
+    m = O_WRONLY;
+  else {
+    mp_msg(MSGT_OPEN, MSGL_ERR, "[smb] Unknown open mode %d\n", mode);
+    m_struct_free (&stream_opts, opts);
+    return STREAM_UNSUPORTED;
+  }
+  
+  if(!filename) {
+    mp_msg(MSGT_OPEN,MSGL_ERR, "[smb] Bad url\n");
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+  
+  err = smbc_init(smb_auth_fn, 1);
+  if (err < 0) {
+    mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_SMBInitError,err);
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+  
+  fd = smbc_open(filename, m,0644);
+  if (fd < 0) {	
+    mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_SMBFileNotFound, filename);
+    m_struct_free(&stream_opts, opts);
+    return STREAM_ERROR;
+  }
+  
+  len = smbc_lseek(fd,0,SEEK_END);
+  smbc_lseek (fd, 0, SEEK_SET);
+  if (len <= 0)
+    stream->flags = 0;
+  else {
+    stream->flags = STREAM_READ | STREAM_SEEK;
+    stream->end_pos = len;
+    stream->seek = seek;
+  }
+  stream->type = STREAMTYPE_SMB;
+  stream->fd = fd;
+  stream->fill_buffer = fill_buffer;
+  stream->write_buffer = write_buffer;
+  stream->close = close_f;
+  
+  m_struct_free(&stream_opts, opts);
+  return STREAM_OK;
+}
+
+stream_info_t stream_info_smb = {
+  "Server Message Block",
+  "smb",
+  "M. Tourne",
+  "based on the code from 'a bulgarian' (one says)",
+  open_f,
+  {"smb", NULL},
+  &stream_opts,
+  0 //Url is an option string
+};
+
+#endif