1 files changed, 137 insertions, 0 deletions
diff --git a/qmail-newu.c b/qmail-newu.c
new file mode 100644
index 0000000..1f9ecc3
--- /dev/null
+++ b/qmail-newu.c
@@ -0,0 +1,137 @@
+#include "stralloc.h"
+#include "subfd.h"
+#include "getln.h"
+#include "substdio.h"
+#include "cdbmss.h"
+#include "exit.h"
+#include "readwrite.h"
+#include "open.h"
+#include "error.h"
+#include "case.h"
+#include "auto_qmail.h"
+
+void die_temp() { _exit(111); }
+
+void die_chdir()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to chdir\n");
+  die_temp();
+}
+void die_nomem()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: out of memory\n");
+  die_temp();
+}
+void die_opena()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/assign\n");
+  die_temp();
+}
+void die_reada()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to read users/assign\n");
+  die_temp();
+}
+void die_format()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: bad format in users/assign\n");
+  die_temp();
+}
+void die_opent()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/cdb.tmp\n");
+  die_temp();
+}
+void die_writet()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to write users/cdb.tmp\n");
+  die_temp();
+}
+void die_rename()
+{
+  substdio_putsflush(subfderr,"qmail-newu: fatal: unable to move users/cdb.tmp to users/cdb\n");
+  die_temp();
+}
+
+struct cdbmss cdbmss;
+stralloc key = {0};
+stralloc data = {0};
+
+char inbuf[1024];
+substdio ssin;
+
+int fd;
+int fdtemp;
+
+stralloc line = {0};
+int match;
+
+stralloc wildchars = {0};
+
+void main()
+{
+  int i;
+  int numcolons;
+
+  umask(033);
+  if (chdir(auto_qmail) == -1) die_chdir();
+
+  fd = open_read("users/assign");
+  if (fd == -1) die_opena();
+
+  substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
+
+  fdtemp = open_trunc("users/cdb.tmp");
+  if (fdtemp == -1) die_opent();
+
+  if (cdbmss_start(&cdbmss,fdtemp) == -1) die_writet();
+
+  if (!stralloc_copys(&wildchars,"")) die_nomem();
+
+  for (;;) {
+    if (getln(&ssin,&line,&match,'\n') != 0) die_reada();
+    if (line.len && (line.s[0] == '.')) break;
+    if (!match) die_format();
+
+    if (byte_chr(line.s,line.len,'\0') < line.len) die_format();
+    i = byte_chr(line.s,line.len,':');
+    if (i == line.len) die_format();
+    if (i == 0) die_format();
+    if (!stralloc_copys(&key,"!")) die_nomem();
+    if (line.s[0] == '+') {
+      if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
+      case_lowerb(key.s,key.len);
+      if (i >= 2)
+	if (byte_chr(wildchars.s,wildchars.len,line.s[i - 1]) == wildchars.len)
+	  if (!stralloc_append(&wildchars,line.s + i - 1)) die_nomem();
+    }
+    else {
+      if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
+      if (!stralloc_0(&key)) die_nomem();
+      case_lowerb(key.s,key.len);
+    }
+
+    if (!stralloc_copyb(&data,line.s + i + 1,line.len - i - 1)) die_nomem();
+
+    numcolons = 0;
+    for (i = 0;i < data.len;++i)
+      if (data.s[i] == ':') {
+	data.s[i] = 0;
+	if (++numcolons == 6)
+	  break;
+      }
+    if (numcolons < 6) die_format();
+    data.len = i;
+
+    if (cdbmss_add(&cdbmss,key.s,key.len,data.s,data.len) == -1) die_writet();
+  }
+
+  if (cdbmss_add(&cdbmss,"",0,wildchars.s,wildchars.len) == -1) die_writet();
+
+  if (cdbmss_finish(&cdbmss) == -1) die_writet();
+  if (fsync(fdtemp) == -1) die_writet();
+  if (close(fdtemp) == -1) die_writet(); /* NFS stupidity */
+  if (rename("users/cdb.tmp","users/cdb") == -1) die_rename();
+
+  _exit(0);
+}