Andrew's git / gitweb.git /
42a1c9f9fb459c033246d33e8b7f65f0ab5da68f
   1#include "cache.h"
   2#include "run-command.h"
   3#include "strbuf.h"
   4#include "prompt.h"
   5
   6char *git_getpass(const char *prompt)
   7{
   8        const char *askpass;
   9        struct child_process pass;
  10        const char *args[3];
  11        static struct strbuf buffer = STRBUF_INIT;
  12
  13        askpass = getenv("GIT_ASKPASS");
  14        if (!askpass)
  15                askpass = askpass_program;
  16        if (!askpass)
  17                askpass = getenv("SSH_ASKPASS");
  18        if (!askpass || !(*askpass)) {
  19                char *result = getpass(prompt);
  20                if (!result)
  21                        die_errno("Could not read password");
  22                return result;
  23        }
  24
  25        args[0] = askpass;
  26        args[1] = prompt;
  27        args[2] = NULL;
  28
  29        memset(&pass, 0, sizeof(pass));
  30        pass.argv = args;
  31        pass.out = -1;
  32
  33        if (start_command(&pass))
  34                exit(1);
  35
  36        strbuf_reset(&buffer);
  37        if (strbuf_read(&buffer, pass.out, 20) < 0)
  38                die("failed to read password from %s\n", askpass);
  39
  40        close(pass.out);
  41
  42        if (finish_command(&pass))
  43                exit(1);
  44
  45        strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
  46
  47        return buffer.buf;
  48}