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dpkg: fix segfault on "dpkg -i"

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This commit is contained in:
Denis Vlasenko 2007-02-15 21:19:50 +00:00
parent 4998c81891
commit 7fd00cbff7
1 changed files with 15 additions and 15 deletions
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30
archival/dpkg.c
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@ -1586,21 +1586,19 @@ int dpkg_main(int argc, char **argv)
OPT_purge = 0x10,
OPT_remove = 0x20,
OPT_unpack = 0x40,
REQ_package_name = 0x8000,
REQ_filename = 0x4000,
};
opt = getopt32(argc, argv, "CF:ilPru", &str_f);
if (opt & OPT_configure) opt |= REQ_package_name; // -C
//if (opt & OPT_configure) ... // -C
if (opt & OPT_force_ignore_depends) { // -F (--force in official dpkg)
if (strcmp(str_f, "depends"))
opt &= ~OPT_force_ignore_depends;
}
if (opt & OPT_install) opt |= REQ_filename; // -i
//if (opt & OPT_install) ... // -i
//if (opt & OPT_list_installed) ... // -l
if (opt & OPT_purge) opt |= REQ_package_name; // -P
if (opt & OPT_remove) opt |= REQ_package_name; // -r
if (opt & OPT_unpack) opt |= REQ_filename; // -u (--unpack in official dpkg)
//if (opt & OPT_purge) ... // -P
//if (opt & OPT_remove) ... // -r
//if (opt & OPT_unpack) ... // -u (--unpack in official dpkg)
argc -= optind;
argv += optind;
/* check for non-option argument if expected */
@ -1623,9 +1621,10 @@ int dpkg_main(int argc, char **argv)
/* Read arguments and store relevant info in structs */
while (*argv) {
/* deb_count = nb_elem - 1 and we need nb_elem + 1 to allocate terminal node [NULL pointer] */
deb_file = xrealloc(deb_file, sizeof(deb_file_t *) * (deb_count + 2));
deb_file[deb_count] = xzalloc(sizeof(deb_file_t));
if (opt & REQ_filename) {
deb_file = xrealloc(deb_file, sizeof(deb_file[0]) * (deb_count + 2));
deb_file[deb_count] = xzalloc(sizeof(deb_file[0][0]));
if (opt & (OPT_install | OPT_unpack)) {
/* -i/-u: require filename */
archive_handle_t *archive_handle;
llist_t *control_list = NULL;
@ -1648,7 +1647,7 @@ int dpkg_main(int argc, char **argv)
deb_file[deb_count]->package = (unsigned) package_num;
/* Add the package to the status hashtable */
if (opt & (OPT_unpack|OPT_install)) {
if (opt & (OPT_unpack | OPT_install)) {
/* Try and find a currently installed version of this package */
status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
/* If no previous entry was found initialise a new entry */
@ -1666,8 +1665,8 @@ int dpkg_main(int argc, char **argv)
set_status(status_num, "reinstreq", 2);
}
}
}
else if (opt & REQ_package_name) {
} else if (opt & (OPT_configure | OPT_purge | OPT_remove)) {
/* -C/-p/-r: require package name */
deb_file[deb_count]->package = search_package_hashtable(
search_name_hashtable(argv[0]),
search_name_hashtable("ANY"), VER_ANY);
@ -1686,8 +1685,7 @@ int dpkg_main(int argc, char **argv)
bb_error_msg_and_die("%s is already removed", name_hashtable[package_hashtable[package_num]->name]);
}
set_status(status_num, "deinstall", 1);
}
else if (opt & OPT_purge) {
} else if (opt & OPT_purge) {
/* if package status is "conf-files" then its ok */
if (strcmp(name_hashtable[state_status], "not-installed") == 0) {
bb_error_msg_and_die("%s is already purged", name_hashtable[package_hashtable[package_num]->name]);
@ -1698,6 +1696,8 @@ int dpkg_main(int argc, char **argv)
deb_count++;
argv++;
}
if (!deb_count)
bb_error_msg_and_die("no package files specified");
deb_file[deb_count] = NULL;
/* Check that the deb file arguments are installable */