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-rw-r--r--src/tls_start.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/tls_start.c b/src/tls_start.c
new file mode 100644
index 0000000..a632f94
--- /dev/null
+++ b/src/tls_start.c
@@ -0,0 +1,82 @@
+#include <unistd.h>
+#include "scan.h"
+#include "env.h"
+#include "open.h"
+#include "stralloc.h"
+#include "fd.h"
+#include "logmsg.h"
+#include "qmail.h"
+
+#define WHO "tls_start"
+
+static void die_nomem() { logmsg(WHO,111,FATAL,"out of memory"); }
+
+int starttls_init(void)
+{
+ unsigned long fd;
+ char *fdstr;
+
+ if (!(fdstr = env_get("SSLCTLFD"))) return 0;
+ if (!scan_ulong(fdstr,&fd)) return 0;
+ if (write((int)fd,"Y",1) < 1) return 0;
+
+ if (!(fdstr = env_get("SSLREADFD"))) return 0;
+ if (!scan_ulong(fdstr,&fd)) return 0;
+ if (fd_move(0,(int)fd) == -1) return 0;
+
+ if (!(fdstr = env_get("SSLWRITEFD"))) return 0;
+ if (!scan_ulong(fdstr,&fd)) return 0;
+ if (fd_move(1,(int)fd) == -1) return 0;
+
+ return 1;
+}
+
+int starttls_info(void)
+{
+ unsigned long fd;
+ char *fdstr;
+ char envbuf[BUFSIZE_MESS];
+ char *x;
+ int j;
+
+ stralloc ssl_env = {0};
+ stralloc ssl_parm = {0};
+ stralloc ssl_value = {0};
+
+ if (!(fdstr = env_get("SSLCTLFD"))) return 0;
+ if (!scan_ulong(fdstr,&fd)) return 0;
+
+ while ((j = read(fd,envbuf,BUFSIZE_MESS)) > 0 ) {
+ if (!stralloc_catb(&ssl_env,envbuf,j)) die_nomem();
+ if (ssl_env.len >= 2 && ssl_env.s[ssl_env.len - 2] == 0 && ssl_env.s[ssl_env.len - 1] == 0)
+ break;
+ }
+ if (j <= 0) return 0; // nothing to read; really nothing
+
+ x = ssl_env.s;
+
+ for (j = 0; j < ssl_env.len - 1; ++j) {
+ if ( *x != '=' ) {
+ if (!stralloc_catb(&ssl_parm,x,1)) die_nomem();
+ x++;
+ } else {
+ if (!stralloc_0(&ssl_parm)) die_nomem();
+ x++;
+
+ for (; j < ssl_env.len - j - 1; ++j) {
+ if ( *x != '\0' ) {
+ if (!stralloc_catb(&ssl_value,x,1)) die_nomem();
+ x++;
+ } else {
+ if (!stralloc_0(&ssl_value)) die_nomem();
+ x++;
+ if (!env_put(ssl_parm.s,ssl_value.s)) die_nomem();
+ ssl_parm.len = 0;
+ ssl_value.len = 0;
+ break;
+ }
+ }
+ }
+ }
+ return j;
+}