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authorGregor Beck <gbeck@sernet.de>2011-08-18 14:13:28 +0200
committerMichael Adam <obnox@samba.org>2011-10-12 22:45:53 +0200
commite430c75d4c275323f5a3ac894647f8ebf2a58a7a (patch)
tree6bc334f2fff6e57ea0ba03306022feff6c2efa68 /source3/utils/interact.c
parent6b28a517e3a7d128ae6018dbbe6545d4f33cfdb7 (diff)
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s3:net: factor out interact_edit()
Signed-off-by: Michael Adam <obnox@samba.org>
Diffstat (limited to 'source3/utils/interact.c')
-rw-r--r--source3/utils/interact.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/source3/utils/interact.c b/source3/utils/interact.c
new file mode 100644
index 0000000000..a18e56c3c9
--- /dev/null
+++ b/source3/utils/interact.c
@@ -0,0 +1,126 @@
+/*
+ * Samba Unix/Linux SMB client library
+ *
+ * Copyright (C) Gregor Beck 2011
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @brief Functions to interact with an user.
+ * @author Gregor Beck <gb@sernet.de>
+ * @date Aug 2011
+ *
+ */
+
+#include "interact.h"
+
+#include "includes.h"
+#include <termios.h>
+
+static const char* get_editor(void) {
+ static const char* editor = NULL;
+ if (editor == NULL) {
+ editor = getenv("VISUAL");
+ if (editor == NULL) {
+ editor = getenv("EDITOR");
+ }
+ if (editor == NULL) {
+ editor = "vi";
+ }
+ }
+ return editor;
+}
+
+int interact_prompt(const char* msg, const char* acc, char def) {
+ struct termios old_tio, new_tio;
+ int c;
+
+ tcgetattr(STDIN_FILENO, &old_tio);
+ new_tio=old_tio;
+ new_tio.c_lflag &=(~ICANON & ~ECHO);
+ tcsetattr(STDIN_FILENO, TCSANOW, &new_tio);
+
+ do {
+ d_printf("%s? [%c]\n", msg, def);
+ fflush(stdout);
+ c = getchar();
+ if (c == '\n') {
+ c = def;
+ break;
+ }
+ else if (strchr(acc, tolower(c)) != NULL) {
+ break;
+ }
+ d_printf("Invalid input '%c'\n", c);
+ } while(c != EOF);
+ tcsetattr(STDIN_FILENO, TCSANOW, &old_tio);
+ return c;
+}
+
+
+char* interact_edit(TALLOC_CTX* mem_ctx, const char* str) {
+ char fname[] = "/tmp/net_idmap_check.XXXXXX";
+ char buf[128];
+ char* ret = NULL;
+ FILE* file;
+
+ int fd = mkstemp(fname);
+ if (fd == -1) {
+ DEBUG(0, ("failed to mkstemp %s: %s\n", fname,
+ strerror(errno)));
+ return NULL;
+ }
+
+ file = fdopen(fd, "w");
+ if (!file) {
+ DEBUG(0, ("failed to open %s for writing: %s\n", fname,
+ strerror(errno)));
+ close(fd);
+ unlink(fname);
+ return NULL;
+ }
+
+ fprintf(file, "%s", str);
+ fclose(file);
+
+ snprintf(buf, sizeof(buf), "%s %s\n", get_editor(), fname);
+ if (system(buf) != 0) {
+ DEBUG(0, ("failed to start editor %s: %s\n", buf,
+ strerror(errno)));
+ unlink(fname);
+ return NULL;
+ }
+
+ file = fopen(fname, "r");
+ if (!file) {
+ DEBUG(0, ("failed to open %s for reading: %s\n", fname,
+ strerror(errno)));
+ unlink(fname);
+ return NULL;
+ }
+ while ( fgets(buf, sizeof(buf), file) ) {
+ ret = talloc_strdup_append(ret, buf);
+ }
+ fclose(file);
+ unlink(fname);
+
+ return talloc_steal(mem_ctx, ret);
+}
+
+
+
+/*Local Variables:*/
+/*mode: c*/
+/*End:*/