perform.c revision 1545
1#ifndef lint 2static const char *rcsid = "$Id: perform.c,v 1.6 1993/10/10 20:25:31 jkh Exp $"; 3#endif 4 5/* 6 * FreeBSD install - a package for the installation and maintainance 7 * of non-core utilities. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * Jordan K. Hubbard 19 * 18 July 1993 20 * 21 * This is the main body of the add module. 22 * 23 */ 24 25#include "lib.h" 26#include "add.h" 27 28#include <signal.h> 29 30static int pkg_do(char *); 31static int sanity_check(char *); 32static char LogDir[FILENAME_MAX]; 33 34 35int 36pkg_perform(char **pkgs) 37{ 38 int i, err_cnt = 0; 39 40 signal(SIGINT, cleanup); 41 signal(SIGHUP, cleanup); 42 43 if (AddMode == SLAVE) 44 err_cnt = pkg_do(NULL); 45 else { 46 for (i = 0; pkgs[i]; i++) 47 err_cnt += pkg_do(pkgs[i]); 48 } 49 return err_cnt; 50} 51 52static Package Plist; 53 54/* This is seriously ugly code following. Written very fast! */ 55static int 56pkg_do(char *pkg) 57{ 58 char pkg_fullname[FILENAME_MAX]; 59 FILE *cfile; 60 char *home; 61 int code = 0; 62 PackingList p; 63 64 /* Reset some state */ 65 if (Plist.head) 66 free_plist(&Plist); 67 LogDir[0] = '\0'; 68 if (AddMode == SLAVE) { 69 char tmp_dir[FILENAME_MAX]; 70 71 fgets(tmp_dir, FILENAME_MAX, stdin); 72 tmp_dir[strlen(tmp_dir) - 1] = '\0'; /* pesky newline! */ 73 if (chdir(tmp_dir) == FAIL) { 74 whinge("pkg_add in SLAVE mode can't chdir to %s.", tmp_dir); 75 return 1; 76 } 77 read_plist(&Plist, stdin); 78 } 79 else { 80 home = make_playpen(PlayPen); 81 if (pkg[0] == '/') /* full pathname? */ 82 strcpy(pkg_fullname, pkg); 83 else 84 sprintf(pkg_fullname, "%s/%s", home, pkg); 85 if (!fexists(pkg_fullname)) { 86 whinge("Can't open package '%s'.", pkg_fullname); 87 return 1; 88 } 89 90 if (unpack(pkg_fullname, NULL)) 91 return 1; 92 93 if (sanity_check(pkg_fullname)) 94 return 1; 95 96 cfile = fopen(CONTENTS_FNAME, "r"); 97 if (!cfile) { 98 whinge("Unable to open %s file.", CONTENTS_FNAME); 99 goto fail; 100 } 101 read_plist(&Plist, cfile); 102 fclose(cfile); 103 if (Prefix) { 104 /* 105 * If we have a prefix, delete the first one we see and add this 106 * one in place of it. 107 */ 108 delete_plist(&Plist, FALSE, PLIST_CWD, NULL); 109 add_plist_top(&Plist, PLIST_CWD, Prefix); 110 } 111 /* Just to be safe - overridden if package has made a choice */ 112 else 113 add_plist_top(&Plist, PLIST_CWD, home); 114 /* If we're running in MASTER mode, just output the plist and return */ 115 if (AddMode == MASTER) { 116 printf("%s\n", where_playpen()); 117 write_plist(&Plist, stdout); 118 return 0; 119 } 120 } 121 PkgName = (p = find_plist(&Plist, PLIST_NAME)) ? p->name : "anonymous"; 122 if (fexists(REQUIRE_FNAME)) { 123 vsystem("chmod +x %s", REQUIRE_FNAME); /* be sure */ 124 if (Verbose) 125 printf("Running requirements file first for %s..\n", PkgName); 126 if (!Fake && vsystem("./%s %s INSTALL", REQUIRE_FNAME, PkgName)) { 127 whinge("Package %s fails requirements - not installed.", 128 pkg_fullname); 129 return 1; 130 } 131 } 132 if (!NoInstall && fexists(INSTALL_FNAME)) { 133 vsystem("chmod +x %s", INSTALL_FNAME); /* make sure */ 134 if (Verbose) 135 printf("Running install with PRE-INSTALL for %s..\n", PkgName); 136 if (!Fake && vsystem("./%s %s PRE-INSTALL", INSTALL_FNAME, PkgName)) { 137 whinge("Install script returned error status."); 138 goto fail; 139 } 140 } 141 extract_plist(home, &Plist); 142 if (!NoInstall && fexists(INSTALL_FNAME)) { 143 if (Verbose) 144 printf("Running install with POST-INSTALL for %s..\n", PkgName); 145 if (!Fake && vsystem("./%s %s POST-INSTALL", INSTALL_FNAME, PkgName)) { 146 whinge("Install script returned error status."); 147 goto fail; 148 } 149 } 150 if (!NoRecord && !Fake) { 151 char contents[FILENAME_MAX]; 152 FILE *cfile; 153 154 if (getuid() != 0) 155 whinge("Not running as root - trying to record install anyway."); 156 if (!PkgName) { 157 whinge("No package name! Can't record package, sorry."); 158 code = 1; 159 goto success; /* well, partial anyway */ 160 } 161 sprintf(LogDir, "%s/%s", LOG_DIR, PkgName); 162 if (Verbose) 163 printf("Attempting to record package into %s..\n", LogDir); 164 if (make_hierarchy(LogDir)) { 165 whinge("Can't record package into '%s', you're on your own!", 166 LogDir); 167 bzero(LogDir, FILENAME_MAX); 168 code = 1; 169 goto success; /* close enough for government work */ 170 } 171 /* Make sure pkg_info can read the entry */ 172 vsystem("chmod a+rx %s", LogDir); 173 if (fexists(DEINSTALL_FNAME)) 174 copy_file(".", DEINSTALL_FNAME, LogDir); 175 if (fexists(REQUIRE_FNAME)) 176 copy_file(".", REQUIRE_FNAME, LogDir); 177 sprintf(contents, "%s/%s", LogDir, CONTENTS_FNAME); 178 cfile = fopen(contents, "w"); 179 if (!cfile) { 180 whinge("Can't open new contents file '%s'! Can't register pkg.", 181 contents); 182 goto success; /* can't log, but still keep pkg */ 183 } 184 write_plist(&Plist, cfile); 185 fclose(cfile); 186 copy_file(".", DESC_FNAME, LogDir); 187 copy_file(".", COMMENT_FNAME, LogDir); 188 if (Verbose) 189 printf("Package %s registered in %s\n", PkgName, LogDir); 190 } 191 goto success; 192 193 fail: 194 /* Nuke the whole (installed) show */ 195 if (!Fake) 196 delete_package(FALSE, &Plist); 197 198 success: 199 /* delete the packing list contents */ 200 leave_playpen(); 201 202 return code; 203} 204 205static int 206sanity_check(char *pkg) 207{ 208 if (!fexists(CONTENTS_FNAME)) { 209 whinge("Package %s has no CONTENTS file!", pkg); 210 return 1; 211 } 212 if (!fexists(COMMENT_FNAME)) { 213 whinge("Package %s has no COMMENT file!", pkg); 214 return 1; 215 } 216 if (!fexists(DESC_FNAME)) { 217 whinge("Package %s has no DESC file!", pkg); 218 return 1; 219 } 220 return 0; 221} 222 223void 224cleanup(int signo) 225{ 226 if (signo) 227 printf("Signal %d received, cleaning up..\n", signo); 228 if (Plist.head) { 229 if (!Fake) 230 delete_package(FALSE, &Plist); 231 free_plist(&Plist); 232 } 233 if (!Fake && LogDir[0]) 234 vsystem("%s -rf %s", REMOVE_CMD, LogDir); 235 leave_playpen(); 236} 237