debian/patches/pve/0013-vma-add-config-command-to-dump-the-config.patch

   1 From 4cf741ef0ec95b62dab484f5630e0f5fd608220a Mon Sep 17 00:00:00 2001
   2 From: Wolfgang Bumiller <w.bumiller@proxmox.com>
   3 Date: Wed, 9 Dec 2015 14:46:49 +0100
   4 Subject: [PATCH 13/55] vma: add 'config' command to dump the config
   5
   6 ---
   7  vma.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   8  1 file changed, 64 insertions(+)
   9
  10 diff --git a/vma.c b/vma.c
  11 index 3ad2f18..6a33352 100644
  12 --- a/vma.c
  13 +++ b/vma.c
  14 @@ -32,6 +32,7 @@ static void help(void)
  15          "usage: vma command [command options]\n"
  16          "\n"
  17          "vma list <filename>\n"
  18 +        "vma config <filename> [-c config]\n"
  19          "vma create <filename> [-c config] <archive> pathname ...\n"
  20          "vma extract <filename> [-r <fifo>] <targetdir>\n"
  21          "vma verify <filename> [-v]\n"
  22 @@ -601,6 +602,67 @@ static int create_archive(int argc, char **argv)
  23      return 0;
  24  }
  25
  26 +static int dump_config(int argc, char **argv)
  27 +{
  28 +    int c, ret = 0;
  29 +    const char *filename;
  30 +    const char *config_name = "qemu-server.conf";
  31 +
  32 +    for (;;) {
  33 +        c = getopt(argc, argv, "hc:");
  34 +        if (c == -1) {
  35 +            break;
  36 +        }
  37 +        switch (c) {
  38 +        case '?':
  39 +        case 'h':
  40 +            help();
  41 +            break;
  42 +        case 'c':
  43 +            config_name = optarg;
  44 +            break;
  45 +        default:
  46 +            help();
  47 +        }
  48 +    }
  49 +
  50 +    /* Get the filename */
  51 +    if ((optind + 1) != argc) {
  52 +        help();
  53 +    }
  54 +    filename = argv[optind++];
  55 +
  56 +    Error *errp = NULL;
  57 +    VmaReader *vmar = vma_reader_create(filename, &errp);
  58 +
  59 +    if (!vmar) {
  60 +        g_error("%s", error_get_pretty(errp));
  61 +    }
  62 +
  63 +    int found = 0;
  64 +    GList *l = vma_reader_get_config_data(vmar);
  65 +    while (l && l->data) {
  66 +        VmaConfigData *cdata = (VmaConfigData *)l->data;
  67 +        l = g_list_next(l);
  68 +        if (strcmp(cdata->name, config_name) == 0) {
  69 +            found = 1;
  70 +            fwrite(cdata->data,  cdata->len, 1, stdout);
  71 +            break;
  72 +        }
  73 +    }
  74 +
  75 +    vma_reader_destroy(vmar);
  76 +
  77 +    bdrv_close_all();
  78 +
  79 +    if (!found) {
  80 +        fprintf(stderr, "unable to find configuration data '%s'\n", config_name);
  81 +        return -1;
  82 +    }
  83 +
  84 +    return ret;
  85 +}
  86 +
  87  int main(int argc, char **argv)
  88  {
  89      const char *cmdname;
  90 @@ -630,6 +692,8 @@ int main(int argc, char **argv)
  91          return extract_content(argc, argv);
  92      } else if (!strcmp(cmdname, "verify")) {
  93          return verify_content(argc, argv);
  94 +    } else if (!strcmp(cmdname, "config")) {
  95 +        return dump_config(argc, argv);
  96      }
  97
  98      help();
  99 --
 100 2.1.4
 101