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-rw-r--r--scp.c2
-rw-r--r--sftp.c2
-rw-r--r--ssh.c3
-rw-r--r--utf8.c42
-rw-r--r--utf8.h1
5 files changed, 47 insertions, 3 deletions
diff --git a/scp.c b/scp.c
index c67cd71d..b4db8519 100644
--- a/scp.c
+++ b/scp.c
@@ -379,7 +379,7 @@ main(int argc, char **argv)
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
sanitise_stdfd();
- setlocale(LC_CTYPE, "");
+ msetlocale();
/* Copy argv, because we modify it */
newargv = xcalloc(MAXIMUM(argc + 1, 1), sizeof(*newargv));
diff --git a/sftp.c b/sftp.c
index af6e3a69..2b8fdabf 100644
--- a/sftp.c
+++ b/sftp.c
@@ -2272,7 +2272,7 @@ main(int argc, char **argv)
ssh_malloc_init(); /* must be called before any mallocs */
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
sanitise_stdfd();
- setlocale(LC_CTYPE, "");
+ msetlocale();
__progname = ssh_get_progname(argv[0]);
memset(&args, '\0', sizeof(args));
diff --git a/ssh.c b/ssh.c
index 8aa8daae..ee0b16dc 100644
--- a/ssh.c
+++ b/ssh.c
@@ -109,6 +109,7 @@
#include "version.h"
#include "ssherr.h"
#include "myproposal.h"
+#include "utf8.h"
#ifdef ENABLE_PKCS11
#include "ssh-pkcs11.h"
@@ -589,7 +590,7 @@ main(int ac, char **av)
*/
umask(022);
- setlocale(LC_CTYPE, "");
+ msetlocale();
/*
* Initialize option structure to indicate that no values have been
diff --git a/utf8.c b/utf8.c
index f563d373..87fa9e89 100644
--- a/utf8.c
+++ b/utf8.c
@@ -27,6 +27,7 @@
# include <langinfo.h>
#endif
#include <limits.h>
+#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
@@ -288,3 +289,44 @@ mprintf(const char *fmt, ...)
va_end(ap);
return ret;
}
+
+/*
+ * Set up libc for multibyte output in the user's chosen locale.
+ *
+ * XXX: we are known to have problems with Turkish (i/I confusion) so we
+ * deliberately fall back to the C locale for now. Longer term we should
+ * always prefer to select C.[encoding] if possible, but there's no
+ * standardisation in locales between systems, so we'll need to survey
+ * what's out there first.
+ */
+void
+msetlocale(void)
+{
+ const char *vars[] = { "LC_ALL", "LC_CTYPE", "LANG", NULL };
+ char *cp;
+ int i;
+
+ /*
+ * We can't yet cope with dotless/dotted I in Turkish locales,
+ * so fall back to the C locale for these.
+ */
+ for (i = 0; vars[i] != NULL; i++) {
+ if ((cp = getenv(vars[i])) == NULL)
+ continue;
+ if (strncasecmp(cp, "TR", 2) != 0)
+ break;
+ /*
+ * If we're in a UTF-8 locale then prefer to use
+ * the C.UTF-8 locale (or equivalent) if it exists.
+ */
+ if ((strcasestr(cp, "UTF-8") != NULL ||
+ strcasestr(cp, "UTF8") != NULL) &&
+ (setlocale(LC_CTYPE, "C.UTF-8") != NULL ||
+ setlocale(LC_CTYPE, "POSIX.UTF-8") != NULL))
+ return;
+ setlocale(LC_CTYPE, "C");
+ return;
+ }
+ /* We can handle this locale */
+ setlocale(LC_CTYPE, "");
+}
diff --git a/utf8.h b/utf8.h
index 43ce1d55..88c5a34a 100644
--- a/utf8.h
+++ b/utf8.h
@@ -22,3 +22,4 @@ int fmprintf(FILE *, const char *, ...)
int vfmprintf(FILE *, const char *, va_list);
int snmprintf(char *, size_t, int *, const char *, ...)
__attribute__((format(printf, 4, 5)));
+void msetlocale(void);