pilerimport can retrieve messages from imap4 servers, too

src/import.c

@@ -0,0 +1,118 @@
+/*
+ * import.c, SJ
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <time.h>
+#include <locale.h>
+#include <syslog.h>
+#include <piler.h>
+
+
+int import_message(char *filename, struct session_data *sdata, struct __data *data, struct __config *cfg){
+   int rc=ERR, fd;
+   char *rule;
+   struct stat st;
+   struct _state state;
+   struct __counters counters;
+
+
+   init_session_data(sdata);
+
+
+   if(strcmp(filename, "-") == 0){
+
+      if(read_from_stdin(sdata) == ERR){
+         printf("error reading from stdin\n");
+         return rc;
+      }
+
+      snprintf(sdata->filename, SMALLBUFSIZE-1, "%s", sdata->ttmpfile);
+
+   }
+   else {
+
+      if(stat(filename, &st) != 0){
+         printf("cannot stat() %s\n", filename);
+         return rc;
+      }
+
+      if(S_ISREG(st.st_mode) == 0){
+         printf("%s is not a file\n", filename);
+         return rc;
+      }
+
+      fd = open(filename, O_RDONLY);
+      if(fd == -1){
+         printf("cannot open %s\n", filename);
+         return rc;
+      }
+      close(fd);
+
+      snprintf(sdata->filename, SMALLBUFSIZE-1, "%s", filename);
+
+      sdata->tot_len = st.st_size;
+   }
+
+
+   
+   sdata->sent = 0;
+
+   state = parse_message(sdata, cfg);
+   post_parse(sdata, &state, cfg);
+
+   if(sdata->sent > sdata->now) sdata->sent = sdata->now;
+   if(sdata->sent == -1) sdata->sent = 0;
+
+   /* fat chances that you won't import emails before 1990.01.01 */
+
+   if(sdata->sent > 631148400) sdata->retained = sdata->sent;
+
+   rule = check_againt_ruleset(data->archiving_rules, &state, sdata->tot_len, sdata->spam_message);
+
+   if(rule){
+      printf("discarding %s by archiving policy: %s\n", filename, rule);
+      rc = OK;
+      goto ENDE;
+   }
+
+   make_digests(sdata, cfg);
+
+   rc = process_message(sdata, &state, data, cfg);
+
+ENDE:
+   unlink(sdata->tmpframe);
+
+   if(strcmp(filename, "-") == 0) unlink(sdata->ttmpfile);
+
+
+   switch(rc) {
+      case OK:
+                        printf("imported: %s\n", filename);
+
+                        bzero(&counters, sizeof(counters));
+                        counters.c_size += sdata->tot_len;
+                        update_counters(sdata, data, &counters, cfg);
+
+                        break;
+
+      case ERR_EXISTS:
+                        printf("discarding duplicate message: %s\n", filename);
+                        break;
+
+      default:
+                        printf("failed to import: %s (id: %s)\n", filename, sdata->ttmpfile);
+                        break;
+   } 
+
+   return rc;
+}
+