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90cbfc96d1
Reviewed-by: David Disseldorp <ddiss@samba.org> Autobuild-User(master): David Disseldorp <ddiss@samba.org> Autobuild-Date(master): Wed Mar 6 01:16:34 CET 2013 on sn-devel-104
136 lines
2.9 KiB
C
136 lines
2.9 KiB
C
/*
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* Samba Unix/Linux SMB client library
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*
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* Copyright (C) Gregor Beck 2011
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @brief Functions to interact with an user.
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* @author Gregor Beck <gb@sernet.de>
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* @date Aug 2011
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*
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*/
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#include "includes.h"
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#include "system/filesys.h"
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#include "interact.h"
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#include <termios.h>
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static const char* get_editor(void) {
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static char editor[64] = {0};
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if (editor[0] == '\0') {
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const char *tmp = getenv("VISUAL");
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if (tmp == NULL) {
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tmp = getenv("EDITOR");
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}
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if (tmp == NULL) {
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tmp = "vi";
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}
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snprintf(editor, sizeof(editor), "%s", tmp);
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}
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return editor;
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}
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int interact_prompt(const char* msg, const char* acc, char def) {
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struct termios old_tio, new_tio;
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int c;
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tcgetattr(STDIN_FILENO, &old_tio);
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new_tio=old_tio;
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new_tio.c_lflag &=(~ICANON & ~ECHO);
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tcsetattr(STDIN_FILENO, TCSANOW, &new_tio);
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do {
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d_printf("%s? [%c]\n", msg, def);
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fflush(stdout);
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c = getchar();
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if (c == '\n') {
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c = def;
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break;
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}
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else if (strchr(acc, tolower(c)) != NULL) {
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break;
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}
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d_printf("Invalid input '%c'\n", c);
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} while(c != EOF);
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tcsetattr(STDIN_FILENO, TCSANOW, &old_tio);
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return c;
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}
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char* interact_edit(TALLOC_CTX* mem_ctx, const char* str) {
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char fname[] = "/tmp/net_idmap_check.XXXXXX";
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char buf[128];
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char* ret = NULL;
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FILE* file;
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mode_t mask;
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int fd;
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mask = umask(S_IRWXO | S_IRWXG);
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fd = mkstemp(fname);
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umask(mask);
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if (fd == -1) {
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DEBUG(0, ("failed to mkstemp %s: %s\n", fname,
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strerror(errno)));
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return NULL;
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}
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file = fdopen(fd, "w");
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if (!file) {
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DEBUG(0, ("failed to open %s for writing: %s\n", fname,
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strerror(errno)));
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close(fd);
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unlink(fname);
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return NULL;
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}
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fprintf(file, "%s", str);
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fclose(file);
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snprintf(buf, sizeof(buf), "%s %s\n", get_editor(), fname);
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if (system(buf) != 0) {
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DEBUG(0, ("failed to start editor %s: %s\n", buf,
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strerror(errno)));
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unlink(fname);
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return NULL;
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}
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file = fopen(fname, "r");
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if (!file) {
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DEBUG(0, ("failed to open %s for reading: %s\n", fname,
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strerror(errno)));
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unlink(fname);
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return NULL;
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}
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while ( fgets(buf, sizeof(buf), file) ) {
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ret = talloc_strdup_append(ret, buf);
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}
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fclose(file);
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unlink(fname);
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return talloc_steal(mem_ctx, ret);
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}
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/*Local Variables:*/
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/*mode: c*/
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/*End:*/
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