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-rw-r--r--g10/passphrase.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/g10/passphrase.c b/g10/passphrase.c
index 38629e758..371d22ddc 100644
--- a/g10/passphrase.c
+++ b/g10/passphrase.c
@@ -33,6 +33,9 @@
# include <windows.h>
#endif
#include <errno.h>
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
#include "util.h"
#include "memory.h"
@@ -309,6 +312,115 @@ readline (int fd, char *buf, size_t buflen)
#if !defined (__riscos__)
+
+#if !defined (__MINGW32__) && !defined (__CYGWIN32__)
+/* For the new Assuan protocol we may have to send options */
+static int
+agent_send_option (int fd, const char *name, const char *value)
+{
+ char buf[200];
+ int nread;
+ char *line;
+ int i;
+
+ line = m_alloc (7 + strlen (name) + 1 + strlen (value) + 2);
+ strcpy (stpcpy (stpcpy (stpcpy (
+ stpcpy (line, "OPTION "), name), "="), value), "\n");
+ i = writen (fd, line, strlen (line));
+ m_free (line);
+ if (i)
+ return -1;
+
+ /* get response */
+ nread = readline (fd, buf, DIM(buf)-1);
+ if (nread < 3)
+ return -1;
+
+ if (buf[0] == 'O' && buf[1] == 'K' && (buf[2] == ' ' || buf[2] == '\n'))
+ return 0; /* okay */
+
+ return -1;
+}
+
+static int
+agent_send_all_options (int fd)
+{
+ char *dft_display = NULL;
+ char *dft_ttyname = NULL;
+ char *dft_ttytype = NULL;
+ char *old_lc = NULL;
+ char *dft_lc = NULL;
+ int rc = 0;
+
+ dft_display = getenv ("DISPLAY");
+ if (opt.display || dft_display)
+ {
+ if (agent_send_option (fd, "display",
+ opt.display ? opt.display : dft_display))
+ return -1;
+ }
+
+ if (!opt.ttyname && ttyname (1))
+ dft_ttyname = ttyname (1);
+ if (opt.ttyname || dft_ttyname)
+ {
+ if (agent_send_option (fd, "ttyname",
+ opt.ttyname ? opt.ttyname : dft_ttyname))
+ return -1;
+ }
+
+ dft_ttytype = getenv ("TERM");
+ if (opt.ttytype || (dft_ttyname && dft_ttytype))
+ {
+ if (agent_send_option (fd, "ttytype",
+ opt.ttyname ? opt.ttytype : dft_ttytype))
+ return -1;
+ }
+
+#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE)
+ old_lc = setlocale (LC_CTYPE, NULL);
+ if (old_lc)
+ old_lc = m_strdup (old_lc);
+ dft_lc = setlocale (LC_CTYPE, "");
+#endif
+ if (opt.lc_ctype || (dft_ttyname && dft_lc))
+ {
+ rc = agent_send_option (fd, "lc-ctype",
+ opt.lc_ctype ? opt.lc_ctype : dft_lc);
+ }
+#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE)
+ if (old_lc)
+ {
+ setlocale (LC_CTYPE, old_lc);
+ m_free (old_lc);
+ }
+#endif
+ if (rc)
+ return rc;
+
+#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES)
+ old_lc = setlocale (LC_MESSAGES, NULL);
+ if (old_lc)
+ old_lc = m_strdup (old_lc);
+ dft_lc = setlocale (LC_MESSAGES, "");
+#endif
+ if (opt.lc_messages || (dft_ttyname && dft_lc))
+ {
+ rc = agent_send_option (fd, "lc-messages",
+ opt.lc_messages ? opt.lc_messages : dft_lc);
+ }
+#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES)
+ if (old_lc)
+ {
+ setlocale (LC_MESSAGES, old_lc);
+ m_free (old_lc);
+ }
+#endif
+ return rc;
+}
+#endif /*!__MINGW32__ && !__CYGWIN32__*/
+
+
/*
* Open a connection to the agent and send the magic string
* Returns: -1 on error or an filedescriptor for urther processing
@@ -444,6 +556,13 @@ agent_open (int *ret_prot)
opt.use_agent = 0;
return -1;
}
+
+ if (agent_send_all_options (fd)) {
+ log_error (_("problem with the agent - disabling agent use\n"));
+ close (fd);
+ opt.use_agent = 0;
+ return -1;
+ }
}
#endif
@@ -465,6 +584,7 @@ agent_close ( int fd )
#endif /* !__riscos__ */
+
/*
* Ask the GPG Agent for the passphrase.
* Mode 0: Allow cached passphrase