uspace/app/pkg/pkg.c

   1 /*
   2  * Copyright (c) 2017 Jiri Svoboda
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup pkg
  30  * @{
  31  */
  32 /** @file Package installer
  33  *
  34  * Utility to simplify installation of coastline packages
  35  */
  36
  37 #include <errno.h>
  38 #include <macros.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <str.h>
  42 #include <str_error.h>
  43 #include <task.h>
  44
  45 #define NAME "pkg"
  46
  47 static void print_syntax(void)
  48 {
  49         fprintf(stderr, "syntax: " NAME " install <package-name>\n");
  50 }
  51
  52 static errno_t cmd_runl(const char *path, ...)
  53 {
  54         va_list ap;
  55         const char *arg;
  56         int cnt = 0;
  57
  58         va_start(ap, path);
  59         do {
  60                 arg = va_arg(ap, const char *);
  61                 cnt++;
  62         } while (arg != NULL);
  63         va_end(ap);
  64
  65         va_start(ap, path);
  66         task_id_t id;
  67         task_wait_t wait;
  68         errno_t rc = task_spawn(&id, &wait, path, cnt, ap);
  69         va_end(ap);
  70
  71         if (rc != EOK) {
  72                 printf("Error spawning %s (%s)\n", path, str_error(rc));
  73                 return rc;
  74         }
  75
  76         if (!id) {
  77                 printf("Error spawning %s (invalid task ID)\n", path);
  78                 return EINVAL;
  79         }
  80
  81         task_exit_t texit;
  82         int retval;
  83         rc = task_wait(&wait, &texit, &retval);
  84         if (rc != EOK) {
  85                 printf("Error waiting for %s (%s)\n", path, str_error(rc));
  86                 return rc;
  87         }
  88
  89         if (texit != TASK_EXIT_NORMAL) {
  90                 printf("Command %s unexpectedly terminated\n", path);
  91                 return EINVAL;
  92         }
  93
  94         if (retval != 0) {
  95                 printf("Command %s returned non-zero exit code %d)\n",
  96                     path, retval);
  97         }
  98
  99         return retval == 0 ? EOK : EPARTY;
 100 }
 101
 102 static errno_t pkg_install(int argc, char *argv[])
 103 {
 104         char *pkg_name;
 105         char *src_uri;
 106         char *fname;
 107         char *fnunpack;
 108         errno_t rc;
 109         int ret;
 110
 111         if (argc != 3) {
 112                 print_syntax();
 113                 return EINVAL;
 114         }
 115
 116         pkg_name = argv[2];
 117
 118         ret = asprintf(&src_uri, "http://ci.helenos.org/latest/" STRING(UARCH)
 119             "/%s-for-helenos-" STRING(UARCH) ".tar.gz",
 120             pkg_name);
 121         if (ret < 0) {
 122                 printf("Out of memory.\n");
 123                 return ENOMEM;
 124         }
 125
 126         ret = asprintf(&fname, "/tmp/%s-for-helenos-" STRING(UARCH)
 127             ".tar.gz", pkg_name);
 128         if (ret < 0) {
 129                 printf("Out of memory.\n");
 130                 return ENOMEM;
 131         }
 132
 133         ret = asprintf(&fnunpack, "/tmp/%s-for-helenos-" STRING(UARCH) ".tar",
 134             pkg_name);
 135         if (ret < 0) {
 136                 printf("Out of memory.\n");
 137                 return ENOMEM;
 138         }
 139         /* XXX error cleanup */
 140
 141         printf("Downloading '%s'.\n", src_uri);
 142
 143         rc = cmd_runl("/app/download", "/app/download", "-o", fname,
 144             src_uri, NULL);
 145         if (rc != EOK) {
 146                 printf("Error downloading package archive.\n");
 147                 return rc;
 148         }
 149
 150         printf("Extracting package\n");
 151
 152         rc = cmd_runl("/app/gunzip", "/app/gunzip", fname, fnunpack, NULL);
 153         if (rc != EOK) {
 154                 printf("Error uncompressing package archive.\n");
 155                 return rc;
 156         }
 157
 158         if (remove(fname) != 0) {
 159                 printf("Error deleting package archive.\n");
 160                 return rc;
 161         }
 162
 163         rc = cmd_runl("/app/untar", "/app/untar", fnunpack, NULL);
 164         if (rc != EOK) {
 165                 printf("Error extracting package archive.\n");
 166                 return rc;
 167         }
 168
 169         if (remove(fnunpack) != 0) {
 170                 printf("Error deleting package archive.\n");
 171                 return rc;
 172         }
 173
 174         printf("Package '%s' installed.\n", pkg_name);
 175
 176         return EOK;
 177 }
 178
 179 int main(int argc, char *argv[])
 180 {
 181         char *cmd;
 182         errno_t rc;
 183
 184         if (argc < 2) {
 185                 fprintf(stderr, "Arguments missing.\n");
 186                 print_syntax();
 187                 return 1;
 188         }
 189
 190         cmd = argv[1];
 191
 192         if (str_cmp(cmd, "install") == 0) {
 193                 rc = pkg_install(argc, argv);
 194         } else {
 195                 fprintf(stderr, "Unknown command.\n");
 196                 print_syntax();
 197                 return 1;
 198         }
 199
 200         if (rc != EOK)
 201                 return 1;
 202
 203         return 0;
 204 }
 205
 206 /** @}
 207  */