qmail 1.03 import

1 files changed, 108 insertions, 0 deletions

diff --git a/maildir.c b/maildir.c
new file mode 100644
index 0000000..efbd3d4
--- /dev/null
+++ b/maildir.c
@@ -0,0 +1,108 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "prioq.h"
+#include "env.h"
+#include "stralloc.h"
+#include "direntry.h"
+#include "datetime.h"
+#include "now.h"
+#include "str.h"
+#include "maildir.h"
+
+struct strerr maildir_chdir_err;
+struct strerr maildir_scan_err;
+
+int maildir_chdir()
+{
+ char *maildir;
+ maildir = env_get("MAILDIR");
+ if (!maildir)
+   STRERR(-1,maildir_chdir_err,"MAILDIR not set")
+ if (chdir(maildir) == -1)
+   STRERR_SYS3(-1,maildir_chdir_err,"unable to chdir to ",maildir,": ")
+ return 0;
+}
+
+void maildir_clean(tmpname)
+stralloc *tmpname;
+{
+ DIR *dir;
+ direntry *d;
+ datetime_sec time;
+ struct stat st;
+
+ time = now();
+
+ dir = opendir("tmp");
+ if (!dir) return;
+
+ while (d = readdir(dir))
+  {
+   if (d->d_name[0] == '.') continue;
+   if (!stralloc_copys(tmpname,"tmp/")) break;
+   if (!stralloc_cats(tmpname,d->d_name)) break;
+   if (!stralloc_0(tmpname)) break;
+   if (stat(tmpname->s,&st) == 0)
+     if (time > st.st_atime + 129600)
+       unlink(tmpname->s);
+  }
+ closedir(dir);
+}
+
+static int append(pq,filenames,subdir,time)
+prioq *pq;
+stralloc *filenames;
+char *subdir;
+datetime_sec time;
+{
+ DIR *dir;
+ direntry *d;
+ struct prioq_elt pe;
+ unsigned int pos;
+ struct stat st;
+
+ dir = opendir(subdir);
+ if (!dir)
+   STRERR_SYS3(-1,maildir_scan_err,"unable to scan $MAILDIR/",subdir,": ")
+
+ while (d = readdir(dir))
+  {
+   if (d->d_name[0] == '.') continue;
+   pos = filenames->len;
+   if (!stralloc_cats(filenames,subdir)) break;
+   if (!stralloc_cats(filenames,"/")) break;
+   if (!stralloc_cats(filenames,d->d_name)) break;
+   if (!stralloc_0(filenames)) break;
+   if (stat(filenames->s + pos,&st) == 0)
+     if (st.st_mtime < time) /* don't want to mix up the order */
+      {
+       pe.dt = st.st_mtime;
+       pe.id = pos;
+       if (!prioq_insert(pq,&pe)) break;
+      }
+  }
+
+ closedir(dir);
+ if (d) STRERR_SYS3(-1,maildir_scan_err,"unable to read $MAILDIR/",subdir,": ")
+ return 0;
+}
+
+int maildir_scan(pq,filenames,flagnew,flagcur)
+prioq *pq;
+stralloc *filenames;
+int flagnew;
+int flagcur;
+{
+ struct prioq_elt pe;
+ datetime_sec time;
+ int r;
+
+ if (!stralloc_copys(filenames,"")) return 0;
+ while (prioq_min(pq,&pe)) prioq_delmin(pq);
+
+ time = now();
+
+ if (flagnew) if (append(pq,filenames,"new",time) == -1) return -1;
+ if (flagcur) if (append(pq,filenames,"cur",time) == -1) return -1;
+ return 0;
+}