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Diffstat (limited to 'src/assuan-client.c')
| -rw-r--r-- | src/assuan-client.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/src/assuan-client.c b/src/assuan-client.c deleted file mode 100644 index 1f860b8..0000000 --- a/src/assuan-client.c +++ /dev/null @@ -1,233 +0,0 @@ -/* assuan-client.c - client functions - Copyright (C) 2001, 2002, 2005, 2009 Free Software Foundation, Inc. - - This file is part of Assuan. - - Assuan is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of - the License, or (at your option) any later version. - - Assuan is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <unistd.h> -#include <assert.h> - -#include "assuan-defs.h" - -#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \ - *(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10)) -#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1)) - - -gpg_error_t -_assuan_read_from_server (assuan_context_t ctx, int *okay, int *off) -{ - char *line; - int linelen; - gpg_error_t rc; - - *okay = 0; - *off = 0; - do - { - do - { - rc = _assuan_read_line (ctx); - } - while (_assuan_error_is_eagain (ctx, rc)); - if (rc) - return rc; - line = ctx->inbound.line; - linelen = ctx->inbound.linelen; - } - while (*line == '#' || !linelen); - - if (linelen >= 1 - && line[0] == 'D' && line[1] == ' ') - { - *okay = 2; /* data line */ - *off = 2; - } - else if (linelen >= 1 - && line[0] == 'S' - && (line[1] == '\0' || line[1] == ' ')) - { - *okay = 4; - *off = 1; - while (line[*off] == ' ') - ++*off; - } - else if (linelen >= 2 - && line[0] == 'O' && line[1] == 'K' - && (line[2] == '\0' || line[2] == ' ')) - { - *okay = 1; - *off = 2; - while (line[*off] == ' ') - ++*off; - } - else if (linelen >= 3 - && line[0] == 'E' && line[1] == 'R' && line[2] == 'R' - && (line[3] == '\0' || line[3] == ' ')) - { - *okay = 0; - *off = 3; - while (line[*off] == ' ') - ++*off; - } - else if (linelen >= 7 - && line[0] == 'I' && line[1] == 'N' && line[2] == 'Q' - && line[3] == 'U' && line[4] == 'I' && line[5] == 'R' - && line[6] == 'E' - && (line[7] == '\0' || line[7] == ' ')) - { - *okay = 3; - *off = 7; - while (line[*off] == ' ') - ++*off; - } - else if (linelen >= 3 - && line[0] == 'E' && line[1] == 'N' && line[2] == 'D' - && (line[3] == '\0' || line[3] == ' ')) - { - *okay = 5; /* end line */ - *off = 3; - } - else - rc = _assuan_error (ctx, GPG_ERR_ASS_INV_RESPONSE); - return rc; -} - - - -/** - * assuan_transact: - * @ctx: The Assuan context - * @command: Command line to be send to the server - * @data_cb: Callback function for data lines - * @data_cb_arg: first argument passed to @data_cb - * @inquire_cb: Callback function for a inquire response - * @inquire_cb_arg: first argument passed to @inquire_cb - * @status_cb: Callback function for a status response - * @status_cb_arg: first argument passed to @status_cb - * - * FIXME: Write documentation - * - * Return value: 0 on success or error code. The error code may be - * the one one returned by the server in error lines or from the - * callback functions. Take care: When a callback returns an error - * this function returns immediately with an error and thus the caller - * will altter return an Assuan error (write erro in most cases). - **/ -gpg_error_t -assuan_transact (assuan_context_t ctx, - const char *command, - gpg_error_t (*data_cb)(void *, const void *, size_t), - void *data_cb_arg, - gpg_error_t (*inquire_cb)(void*, const char *), - void *inquire_cb_arg, - gpg_error_t (*status_cb)(void*, const char *), - void *status_cb_arg) -{ - gpg_error_t rc; - int okay, off; - char *line; - int linelen; - - rc = assuan_write_line (ctx, command); - if (rc) - return rc; - - if (*command == '#' || !*command) - return 0; /* Don't expect a response for a comment line. */ - - again: - rc = _assuan_read_from_server (ctx, &okay, &off); - if (rc) - return rc; /* error reading from server */ - - line = ctx->inbound.line + off; - linelen = ctx->inbound.linelen - off; - - if (!okay) - rc = atoi (line); - else if (okay == 2) - { - if (!data_cb) - rc = _assuan_error (ctx, GPG_ERR_ASS_NO_DATA_CB); - else - { - char *s, *d; - - for (s=d=line; linelen; linelen--) - { - if (*s == '%' && linelen > 2) - { /* handle escaping */ - s++; - *d++ = xtoi_2 (s); - s += 2; - linelen -= 2; - } - else - *d++ = *s++; - } - *d = 0; /* add a hidden string terminator */ - rc = data_cb (data_cb_arg, line, d - line); - if (!rc) - goto again; - } - } - else if (okay == 3) - { - if (!inquire_cb) - { - assuan_write_line (ctx, "END"); /* get out of inquire mode */ - _assuan_read_from_server (ctx, &okay, &off); /* dummy read */ - rc = _assuan_error (ctx, GPG_ERR_ASS_NO_INQUIRE_CB); - } - else - { - rc = inquire_cb (inquire_cb_arg, line); - if (!rc) - rc = assuan_send_data (ctx, NULL, 0); /* flush and send END */ - if (!rc) - goto again; - } - } - else if (okay == 4) - { - if (status_cb) - rc = status_cb (status_cb_arg, line); - if (!rc) - goto again; - } - else if (okay == 5) - { - if (!data_cb) - rc = _assuan_error (ctx, GPG_ERR_ASS_NO_DATA_CB); - else - { - rc = data_cb (data_cb_arg, NULL, 0); - if (!rc) - goto again; - } - } - - return rc; -} - |