p910nd:
[packages.git] / net / p910nd / patches / 200-p910nd.patch
diff --git a/net/p910nd/patches/200-p910nd.patch b/net/p910nd/patches/200-p910nd.patch
new file mode 100644 (file)
index 0000000..ec66e47
--- /dev/null
@@ -0,0 +1,311 @@
+Index: p910nd-0.7/p910nd.c
+===================================================================
+--- p910nd-0.7.orig/p910nd.c   2007-09-02 15:17:23.000000000 +0200
++++ p910nd-0.7/p910nd.c        2007-09-02 15:17:23.000000000 +0200
+@@ -73,8 +73,7 @@
+ #else
+ #define               LOCKFILE        "/var/lock/subsys/p910%cd"
+ #endif
+-#define               PRINTERFILE     "/dev/lp%c"
+-#define               LOGOPTS         LOG_ERR
++#define               PRINTERFILE     "/dev/printers/%c"
+ static char   *progname;
+ static char   version[] = "p910nd Version 0.7";
+@@ -93,9 +92,9 @@
+       fprintf(stdout, "%s \n", version);
+ }
+-FILE *open_printer(int lpnumber)
++int open_printer(int lpnumber)
+ {
+-      FILE            *f;
++      int             lp;
+       char            lpname[sizeof(PRINTERFILE)];
+ #ifdef        TESTING
+@@ -105,12 +104,16 @@
+ #endif
+       if (device == 0)
+               device = lpname;
+-      if ((f = fopen(device, bidir ? "w+" : "w")) == NULL)
++      if ((lp = open(device, bidir ? O_RDWR : O_WRONLY)) == -1)
+       {
+-              syslog(LOGOPTS, "%s: %m\n", device);
+-              exit(1);
++              syslog(LOG_ERR, "%s: %m\n", device);
++
++              /* fallback to /dev/null if device is not available 
++               * otherwise windows spooler will screw up
++               */
++              lp = open("/dev/null", bidir ? O_RDWR : O_WRONLY);
+       }
+-      return (f);
++      return (lp);
+ }
+ int get_lock(int lpnumber)
+@@ -121,7 +124,7 @@
+       (void)snprintf(lockname, sizeof(lockname), LOCKFILE, lpnumber);
+       if ((lockfd = open(lockname, O_CREAT|O_RDWR)) < 0)
+       {
+-              syslog(LOGOPTS, "%s: %m\n", lockname);
++              syslog(LOG_ERR, "%s: %m\n", lockname);
+               return (0);
+       }
+       memset(&lplock, 0, sizeof(lplock));
+@@ -129,7 +132,7 @@
+       lplock.l_pid = getpid();
+       if (fcntl(lockfd, F_SETLKW, &lplock) < 0)
+       {
+-              syslog(LOGOPTS, "%s: %m\n", lockname);
++              syslog(LOG_ERR, "%s: %m\n", lockname);
+               return (0);
+       }
+       return (1);
+@@ -141,24 +144,36 @@
+               (void)close(lockfd);
+ }
++ssize_t safe_write(int fd, char *buf, size_t count)
++{
++      size_t offset = 0;
++      
++      while (offset < count) {
++              ssize_t n = write(fd, buf + offset, count - offset);
++              
++              if (n < 0 && errno != EINTR)
++                      return n;
++                      
++              if (n > 0)
++                      offset += n;
++      }
++
++      return offset;
++}
++
+ /* Copy network socket to FILE f until EOS */
+-int copy_stream(int fd, FILE *f)
++int copy_stream(int fd, int lp)
+ {
+-      int             nread;
++      int             nread, rcvd = 0, sent = 0;
+       char            buffer[8192];
+       if (bidir) {
+-              FILE    *nf;
+-
+-              if ((nf = fdopen(fd, "w")) == NULL) {
+-                      syslog(LOGOPTS, "fdopen: %m\n");
+-              }
+               for (;;) {
+                       fd_set  readfds;
+                       int result;
+-                      int maxfd = fileno(f) > fd ? fileno(f) : fd;
++                      int maxfd = lp > fd ? lp : fd;
+                       FD_ZERO(&readfds);
+-                      FD_SET(fileno(f), &readfds);
++                      FD_SET(lp, &readfds);
+                       FD_SET(fd, &readfds);
+                       result = select(maxfd + 1, &readfds, 0, 0, 0);
+                       if (result < 0)
+@@ -169,43 +184,54 @@
+                               nread = read(fd, buffer, sizeof(buffer));
+                               if (nread <= 0)
+                                       break;
+-                              (void)fwrite(buffer, sizeof(char), nread, f);
++                              if (safe_write(lp, buffer, nread) < 0) {
++                                      syslog(LOG_ERR, "write: %m\n");
++                                      break;
++                              }
++                              rcvd += nread;
+                       }
+-                      if (FD_ISSET(fileno(f), &readfds)) {
+-                              nread = read(fileno(f), buffer, sizeof(buffer));
+-                              if (nread > 0 && nf != NULL) {
+-                                      (void)fwrite(buffer, sizeof(char), nread, nf);
+-                                      (void)fflush(nf);
++                      if (FD_ISSET(lp, &readfds)) {
++                              nread = read(lp, buffer, sizeof(buffer));
++                              if (nread > 0) {
++                                      safe_write(fd, buffer, nread);
++                                      sent += nread;
+                               }
+                       }
+               }
+-              (void)fflush(f);
+-              (void)fclose(nf);
++              syslog(LOG_NOTICE, "Finished job: %d bytes received, %d bytes sent\n",
++                      rcvd, sent);
+               return (0);
+       } else {
+-              while ((nread = read(fd, buffer, sizeof(buffer))) > 0)
+-                      (void)fwrite(buffer, sizeof(char), nread, f);
+-              (void)fflush(f);
++              while ((nread = read(fd, buffer, sizeof(buffer))) > 0) {
++                      if (safe_write(lp, buffer, nread) < 0) {
++                              syslog(LOG_ERR, "write: %m\n");
++                              break;
++                      }
++                      rcvd += nread;
++              }
++              syslog(LOG_NOTICE, "Finished job: %d bytes received\n", rcvd);
+               return (nread);
+       }
+ }
+ void one_job(int lpnumber)
+ {
+-      FILE            *f;
++      int             lp;
+       struct sockaddr_in      client;
+       socklen_t       clientlen = sizeof(client);
+       if (getpeername(0, (struct sockaddr*) &client, &clientlen) >= 0)
+-              syslog(LOGOPTS, "Connection from %s port %hu\n",
++              syslog(LOG_NOTICE, "Connection from %s port %hu\n",
+                       inet_ntoa(client.sin_addr),
+                       ntohs(client.sin_port));
+       if (get_lock(lpnumber) == 0)
+               return;
+-      f = open_printer(lpnumber);
+-      if (copy_stream(0, f) < 0)
+-              syslog(LOGOPTS, "copy_stream: %m\n");
+-      fclose(f);
++      if ((lp = open_printer(lpnumber)) != -1)
++      {
++              if (copy_stream(0, lp) < 0)
++                      syslog(LOG_ERR, "copy_stream: %m\n");
++              close(lp);
++      }
+       free_lock();
+ }
+@@ -215,7 +241,7 @@
+ #ifdef        USE_GETPROTOBYNAME
+       struct protoent *proto;
+ #endif
+-      int             netfd, fd, one = 1;
++      int             netfd, fd, lp, one = 1;
+       socklen_t       clientlen;
+       struct sockaddr_in      netaddr, client;
+       char            pidfilename[sizeof(PIDFILE)];
+@@ -225,7 +251,7 @@
+       switch (fork())
+       {
+       case -1:
+-              syslog(LOGOPTS, "fork: %m\n");
++              syslog(LOG_ERR, "fork: %m\n");
+               exit (1);
+       case 0:         /* child */
+               break;
+@@ -236,14 +262,14 @@
+       resourcelimit.rlim_max = 0;
+       if (getrlimit(RLIMIT_NOFILE, &resourcelimit) < 0)
+       {
+-              syslog(LOGOPTS, "getrlimit: %m\n");
++              syslog(LOG_ERR, "getrlimit: %m\n");
+               exit(1);
+       }
+       for (fd = 0; fd < resourcelimit.rlim_max; ++fd)
+               (void)close(fd);
+       if (setsid() < 0)
+       {
+-              syslog(LOGOPTS, "setsid: %m\n");
++              syslog(LOG_ERR, "setsid: %m\n");
+               exit(1);
+       }
+       (void)chdir("/");
+@@ -254,7 +280,7 @@
+       (void)snprintf(pidfilename, sizeof(pidfilename), PIDFILE, lpnumber);
+       if ((f = fopen(pidfilename, "w")) == NULL)
+       {
+-              syslog(LOGOPTS, "%s: %m\n", pidfilename);
++              syslog(LOG_ERR, "%s: %m\n", pidfilename);
+               exit(1);
+       }
+       (void)fprintf(f, "%d\n", getpid());
+@@ -262,11 +288,10 @@
+       if (get_lock(lpnumber) == 0)
+               exit(1);
+ #endif
+-      f = open_printer(lpnumber);
+ #ifdef        USE_GETPROTOBYNAME
+       if ((proto = getprotobyname("tcp")) == NULL)
+       {
+-              syslog(LOGOPTS, "Cannot find protocol for TCP!\n");
++              syslog(LOG_ERR, "Cannot find protocol for TCP!\n");
+               exit(1);
+       }
+       if ((netfd = socket(AF_INET, SOCK_STREAM, proto->p_proto)) < 0)
+@@ -274,12 +299,12 @@
+       if ((netfd = socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) < 0)
+ #endif
+       {
+-              syslog(LOGOPTS, "socket: %m\n");
++              syslog(LOG_ERR, "socket: %m\n");
+               exit(1);
+       }
+       if (setsockopt(netfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) < 0)
+       {
+-              syslog(LOGOPTS, "setsocketopt: %m\n");
++              syslog(LOG_ERR, "setsocketopt: %m\n");
+               exit(1);
+       }
+       netaddr.sin_port = htons(BASEPORT + lpnumber - '0');
+@@ -287,12 +312,12 @@
+       memset(netaddr.sin_zero, 0, sizeof(netaddr.sin_zero));
+       if (bind(netfd, (struct sockaddr*) &netaddr, sizeof(netaddr)) < 0)
+       {
+-              syslog(LOGOPTS, "bind: %m\n");
++              syslog(LOG_ERR, "bind: %m\n");
+               exit(1);
+       }
+       if (listen(netfd, 5) < 0)
+       {
+-              syslog(LOGOPTS, "listen: %m\n");
++              syslog(LOG_ERR, "listen: %m\n");
+               exit(1);
+       }
+       clientlen = sizeof(client);
+@@ -302,22 +327,26 @@
+ #ifdef        USE_LIBWRAP
+               if (hosts_ctl("p910nd", STRING_UNKNOWN,
+                       inet_ntoa(client.sin_addr), STRING_UNKNOWN) == 0) {
+-                      syslog(LOGOPTS, "Connection from %s port %hd rejected\n",
++                      syslog(LOG_ERR, "Connection from %s port %hu rejected\n",
+                               inet_ntoa(client.sin_addr),
+                               ntohs(client.sin_port));
+                       close(fd);
+                       continue;
+               }
+ #endif
+-              syslog(LOGOPTS, "Connection from %s port %hd accepted\n",
++              syslog(LOG_NOTICE, "Connection from %s port %hu accepted\n",
+                       inet_ntoa(client.sin_addr),
+                       ntohs(client.sin_port));
+               /*write(fd, "Printing", 8);*/
+-              if (copy_stream(fd, f) < 0)
+-                      syslog(LOGOPTS, "copy_stream: %m\n");
++              if ((lp = open_printer(lpnumber)) != -1)
++              {
++                      if (copy_stream(fd, lp) < 0)
++                              syslog(LOG_ERR, "copy_stream: %m\n");
++                      close(lp);
++              }
+               (void)close(fd);
+       }
+-      syslog(LOGOPTS, "accept: %m\n");
++      syslog(LOG_ERR, "accept: %m\n");
+       free_lock();
+       exit(1);
+ }
+@@ -338,7 +367,7 @@
+       if (getsockname(0, (struct sockaddr*) &bind_addr, &ba_len) == 0)
+               return (0);             /* under inetd */
+       if (errno != ENOTSOCK)          /* strange... */
+-              syslog(LOGOPTS, "getsockname: %m\n");
++              syslog(LOG_ERR, "getsockname: %m\n");
+       return (1);
+ }