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Diffstat (limited to 'sqmail-4.3.07/src/predate.c')
-rw-r--r--sqmail-4.3.07/src/predate.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/sqmail-4.3.07/src/predate.c b/sqmail-4.3.07/src/predate.c
new file mode 100644
index 0000000..f6007b3
--- /dev/null
+++ b/sqmail-4.3.07/src/predate.c
@@ -0,0 +1,113 @@
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+#include "datetime.h"
+#include "wait.h"
+#include "fd.h"
+#include "fmt.h"
+#include "logmsg.h"
+#include "buffer.h"
+#include "exit.h"
+#include "sig.h"
+
+#define WHO "predate"
+
+static char *montab[12] = {
+"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
+};
+
+char num[FMT_ULONG];
+char outbuf[1024];
+
+int main(int argc, char **argv)
+{
+ time_t now;
+ struct tm *tm;
+ struct datetime dt;
+ datetime_sec utc;
+ datetime_sec local;
+ int minutes;
+ int pi[2];
+ buffer bo;
+ int wstat;
+ int pid;
+
+ sig_pipeignore();
+
+ if (!argv[1])
+ logmsg(WHO,100,USAGE,"predate child");
+
+ if (pipe(pi) == -1)
+ logmsg(WHO,111,FATAL,"unable to create pipe");
+
+ switch (pid = fork()) {
+ case -1:
+ logmsg(WHO,111,FATAL,"unable to fork");
+ case 0:
+ close(pi[1]);
+ if (fd_move(0,pi[0]) == -1)
+ logmsg(WHO,111,FATAL,"unable to set up fds");
+ sig_pipedefault();
+ execvp(argv[1],argv + 1);
+ logmsg(WHO,111,FATAL,B("unable to run: ",argv[1]));
+ }
+ close(pi[0]);
+ buffer_init(&bo,write,pi[1],outbuf,sizeof(outbuf));
+
+ time(&now);
+
+ tm = gmtime(&now);
+ dt.year = tm->tm_year;
+ dt.mon = tm->tm_mon;
+ dt.mday = tm->tm_mday;
+ dt.hour = tm->tm_hour;
+ dt.min = tm->tm_min;
+ dt.sec = tm->tm_sec;
+ utc = datetime_untai(&dt); /* utc == now, if gmtime ignores leap seconds */
+
+ tm = localtime(&now);
+ dt.year = tm->tm_year;
+ dt.mon = tm->tm_mon;
+ dt.mday = tm->tm_mday;
+ dt.hour = tm->tm_hour;
+ dt.min = tm->tm_min;
+ dt.sec = tm->tm_sec;
+ local = datetime_untai(&dt);
+
+ buffer_puts(&bo,"Date: ");
+ buffer_put(&bo,num,fmt_uint(num,dt.mday));
+ buffer_puts(&bo," ");
+ buffer_puts(&bo,montab[dt.mon]);
+ buffer_puts(&bo," ");
+ buffer_put(&bo,num,fmt_uint(num,dt.year + 1900));
+ buffer_puts(&bo," ");
+ buffer_put(&bo,num,fmt_uint0(num,dt.hour,2));
+ buffer_puts(&bo,":");
+ buffer_put(&bo,num,fmt_uint0(num,dt.min,2));
+ buffer_puts(&bo,":");
+ buffer_put(&bo,num,fmt_uint0(num,dt.sec,2));
+
+ if (local < utc) {
+ minutes = (utc - local + 30) / 60;
+ buffer_puts(&bo," -");
+ buffer_put(&bo,num,fmt_uint0(num,minutes / 60,2));
+ buffer_put(&bo,num,fmt_uint0(num,minutes % 60,2));
+ }
+ else {
+ minutes = (local - utc + 30) / 60;
+ buffer_puts(&bo," +");
+ buffer_put(&bo,num,fmt_uint0(num,minutes / 60,2));
+ buffer_put(&bo,num,fmt_uint0(num,minutes % 60,2));
+ }
+
+ buffer_puts(&bo,"\n");
+ buffer_copy(&bo,buffer_0);
+ buffer_flush(&bo);
+ close(pi[1]);
+
+ if (wait_pid(&wstat,pid) == -1)
+ logmsg(WHO,111,FATAL,"wait failed");
+ if (wait_crashed(wstat))
+ logmsg(WHO,111,FATAL,"child crashed");
+ _exit(wait_exitcode(wstat));
+}