curl tool: reviewed code moved to tool_*.[ch] files

1 files changed, 260 insertions, 0 deletions

diff --git a/src/tool_getpass.c b/src/tool_getpass.c
new file mode 100644
index 000000000..b6aa5dd5e
--- /dev/null
+++ b/src/tool_getpass.c
@@ -0,0 +1,260 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "setup.h"
+
+#ifndef HAVE_GETPASS_R
+/* this file is only for systems without getpass_r() */
+
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif
+
+#ifdef HAVE_TERMIOS_H
+#  include <termios.h>
+#elif defined(HAVE_TERMIO_H)
+#  include <termio.h>
+#endif
+
+#ifdef __VMS
+#  include descrip
+#  include starlet
+#  include iodef
+#endif
+
+#ifdef WIN32
+#  include <conio.h>
+#endif
+
+#ifdef NETWARE
+#  ifdef __NOVELL_LIBC__
+#    include <screen.h>
+#  else
+#    include <nwconio.h>
+#  endif
+#endif
+
+#define _MPRINTF_REPLACE
+#include <curl/mprintf.h>
+
+#include "tool_getpass.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+#ifdef __VMS
+/* VMS implementation */
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+  long sts;
+  short chan;
+
+  /* MSK, 23-JAN-2004, iosbdef.h wasn't in VAX V7.2 or CC 6.4  */
+  /* distribution so I created this.  May revert back later to */
+  /* struct _iosb iosb;                                        */
+  struct _iosb
+     {
+     short int iosb$w_status; /* status     */
+     short int iosb$w_bcnt;   /* byte count */
+     int       unused;        /* unused     */
+     } iosb;
+
+  $DESCRIPTOR(ttdesc, "TT");
+
+  buffer[0] = '\0';
+  sts = sys$assign(&ttdesc, &chan, 0, 0);
+  if(sts & 1) {
+    sts = sys$qiow(0, chan,
+                   IO$_READPROMPT | IO$M_NOECHO,
+                   &iosb, 0, 0, buffer, buflen, 0, 0,
+                   prompt, strlen(prompt));
+
+    if((sts & 1) && (iosb.iosb$w_status & 1))
+      buffer[iosb.iosb$w_bcnt] = '\0';
+
+    sts = sys$dassgn(chan);
+  }
+  return buffer; /* we always return success */
+}
+#define DONE
+#endif /* __VMS */
+
+#ifdef __SYMBIAN32__
+#  define getch() getchar()
+#endif
+
+#if defined(WIN32) || defined(__SYMBIAN32__)
+
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+  size_t i;
+  fputs(prompt, stderr);
+
+  for(i = 0; i < buflen; i++) {
+    buffer[i] = (char)getch();
+    if(buffer[i] == '\r' || buffer[i] == '\n') {
+      buffer[i] = '\0';
+      break;
+    }
+    else
+      if(buffer[i] == '\b')
+        /* remove this letter and if this is not the first key, remove the
+           previous one as well */
+        i = i - (i >= 1) ? 2 : 1;
+  }
+#ifndef __SYMBIAN32__
+  /* since echo is disabled, print a newline */
+  fputs("\n", stderr);
+#endif
+  /* if user didn't hit ENTER, terminate buffer */
+  if(i == buflen)
+    buffer[buflen-1] = '\0';
+
+  return buffer; /* we always return success */
+}
+#define DONE
+#endif /* WIN32 || __SYMBIAN32__ */
+
+#ifdef NETWARE
+/* NetWare implementation */
+#ifdef __NOVELL_LIBC__
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+  return getpassword(prompt, buffer, buflen);
+}
+#else
+char *getpass_r(const char *prompt, char *buffer, size_t buflen)
+{
+  size_t i = 0;
+
+  printf("%s", prompt);
+  do {
+    buffer[i++] = getch();
+    if(buffer[i-1] == '\b') {
+      /* remove this letter and if this is not the first key,
+         remove the previous one as well */
+      if(i > 1) {
+        printf("\b \b");
+        i = i - 2;
+      }
+      else {
+        RingTheBell();
+        i = i - 1;
+      }
+    }
+    else if(buffer[i-1] != 13)
+      putchar('*');
+
+  } while((buffer[i-1] != 13) && (i < buflen));
+  buffer[i-1] = '\0';
+  printf("\r\n");
+  return buffer;
+}
+#endif /* __NOVELL_LIBC__ */
+#define DONE
+#endif /* NETWARE */
+
+#ifndef DONE /* not previously provided */
+
+#ifdef HAVE_TERMIOS_H
+#  define struct_term  struct termios
+#elif defined(HAVE_TERMIO_H)
+#  define struct_term  struct termio
+#else
+#  undef  struct_term
+#endif
+
+static bool ttyecho(bool enable, int fd)
+{
+#ifdef struct_term
+  static struct_term withecho;
+  static struct_term noecho;
+#endif
+  if(!enable) {
+    /* disable echo by extracting the current 'withecho' mode and remove the
+       ECHO bit and set back the struct */
+#ifdef HAVE_TERMIOS_H
+    tcgetattr(fd, &withecho);
+    noecho = withecho;
+    noecho.c_lflag &= ~ECHO;
+    tcsetattr(fd, TCSANOW, &noecho);
+#elif defined(HAVE_TERMIO_H)
+    ioctl(fd, TCGETA, &withecho);
+    noecho = withecho;
+    noecho.c_lflag &= ~ECHO;
+    ioctl(fd, TCSETA, &noecho);
+#else
+    /* neither HAVE_TERMIO_H nor HAVE_TERMIOS_H, we can't disable echo! */
+    (void)fd;
+    return FALSE; /* not disabled */
+#endif
+    return TRUE; /* disabled */
+  }
+  else {
+    /* re-enable echo, assumes we disabled it before (and set the structs we
+       now use to reset the terminal status) */
+#ifdef HAVE_TERMIOS_H
+    tcsetattr(fd, TCSAFLUSH, &withecho);
+#elif defined(HAVE_TERMIO_H)
+    ioctl(fd, TCSETA, &withecho);
+#else
+    return FALSE; /* not enabled */
+#endif
+    return TRUE; /* enabled */
+  }
+}
+
+char *getpass_r(const char *prompt, /* prompt to display */
+                char *password,     /* buffer to store password in */
+                size_t buflen)      /* size of buffer to store password in */
+{
+  ssize_t nread;
+  bool disabled;
+  int fd = open("/dev/tty", O_RDONLY);
+  if(-1 == fd)
+    fd = 1; /* use stdin if the tty couldn't be used */
+
+  disabled = ttyecho(FALSE, fd); /* disable terminal echo */
+
+  fputs(prompt, stderr);
+  nread = read(fd, password, buflen);
+  if(nread > 0)
+    password[--nread] = '\0'; /* zero terminate where enter is stored */
+  else
+    password[0] = '\0'; /* got nothing */
+
+  if(disabled) {
+    /* if echo actually was disabled, add a newline */
+    fputs("\n", stderr);
+    (void)ttyecho(TRUE, fd); /* enable echo */
+  }
+
+  if(1 != fd)
+    close(fd);
+
+  return password; /* return pointer to buffer */
+}
+
+#endif /* DONE */
+#endif /* HAVE_GETPASS_R */