| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 1 | #include "cache.h" |
| 2 | #include "run-command.h" |
| 3 | #include "strbuf.h" |
| 4 | #include "prompt.h" |
| Jeff King | a509025 | 2011-12-10 10:41:08 | [diff] [blame] | 5 | #include "compat/terminal.h" |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 6 | |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 7 | static char *do_askpass(const char *cmd, const char *prompt) |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 8 | { |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 9 | struct child_process pass; |
| 10 | const char *args[3]; |
| 11 | static struct strbuf buffer = STRBUF_INIT; |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 12 | int err = 0; |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 13 | |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 14 | args[0] = cmd; |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 15 | args[1] = prompt; |
| 16 | args[2] = NULL; |
| 17 | |
| 18 | memset(&pass, 0, sizeof(pass)); |
| 19 | pass.argv = args; |
| 20 | pass.out = -1; |
| 21 | |
| 22 | if (start_command(&pass)) |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 23 | return NULL; |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 24 | |
| Jeff King | e1c1a32 | 2014-01-02 03:03:30 | [diff] [blame] | 25 | strbuf_reset(&buffer); |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 26 | if (strbuf_read(&buffer, pass.out, 20) < 0) |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 27 | err = 1; |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 28 | |
| 29 | close(pass.out); |
| 30 | |
| 31 | if (finish_command(&pass)) |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 32 | err = 1; |
| 33 | |
| 34 | if (err) { |
| 35 | error("unable to read askpass response from '%s'", cmd); |
| 36 | strbuf_release(&buffer); |
| 37 | return NULL; |
| 38 | } |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 39 | |
| 40 | strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n")); |
| 41 | |
| Jeff King | e1c1a32 | 2014-01-02 03:03:30 | [diff] [blame] | 42 | return buffer.buf; |
| Jeff King | d3c58b8 | 2011-12-10 10:40:54 | [diff] [blame] | 43 | } |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 44 | |
| 45 | char *git_prompt(const char *prompt, int flags) |
| 46 | { |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 47 | char *r = NULL; |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 48 | |
| 49 | if (flags & PROMPT_ASKPASS) { |
| 50 | const char *askpass; |
| 51 | |
| 52 | askpass = getenv("GIT_ASKPASS"); |
| 53 | if (!askpass) |
| 54 | askpass = askpass_program; |
| 55 | if (!askpass) |
| 56 | askpass = getenv("SSH_ASKPASS"); |
| 57 | if (askpass && *askpass) |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 58 | r = do_askpass(askpass, prompt); |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 59 | } |
| 60 | |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 61 | if (!r) |
| Jeff King | 84d7273 | 2012-02-03 22:16:02 | [diff] [blame] | 62 | r = git_terminal_prompt(prompt, flags & PROMPT_ECHO); |
| 63 | if (!r) { |
| 64 | /* prompts already contain ": " at the end */ |
| 65 | die("could not read %s%s", prompt, strerror(errno)); |
| 66 | } |
| Jeff King | 1cb0134 | 2011-12-10 10:40:57 | [diff] [blame] | 67 | return r; |
| 68 | } |
| 69 | |
| 70 | char *git_getpass(const char *prompt) |
| 71 | { |
| 72 | return git_prompt(prompt, PROMPT_ASKPASS); |
| 73 | } |
