* written by glenn mcgrath with the help of others
* copyright (c) 2001 by glenn mcgrath
*
+ * parts of the version comparison code is plucked from the real dpkg
+ * application which is licensed GPLv2 and
+ * copyright (c) 1995 Ian Jackson <ian@chiark.greenend.org.uk>
+ *
* started life as a busybox implementation of udpkg
*
- * licensed under gplv2 or later, see file license in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-
/*
* known difference between busybox dpkg and the official dpkg that i don't
* consider important, its worth keeping a note of differences anyway, just to
*
* bugs that need to be fixed
* - (unknown, please let me know when you find any)
- *
*/
-#include "busybox.h"
-#include "unarchive.h"
+//config:config DPKG
+//config: bool "dpkg"
+//config: default n
+//config: select FEATURE_SEAMLESS_GZ
+//config: help
+//config: dpkg is a medium-level tool to install, build, remove and manage
+//config: Debian packages.
+//config:
+//config: This implementation of dpkg has a number of limitations,
+//config: you should use the official dpkg if possible.
+
+//applet:IF_DPKG(APPLET(dpkg, BB_DIR_USR_BIN, BB_SUID_DROP))
+//kbuild:lib-$(CONFIG_DPKG) += dpkg.o
+
+//usage:#define dpkg_trivial_usage
+//usage: "[-ilCPru] [-F OPT] PACKAGE"
+//usage:#define dpkg_full_usage "\n\n"
+//usage: "Install, remove and manage Debian packages\n"
+//usage: IF_LONG_OPTS(
+//usage: "\n -i,--install Install the package"
+//usage: "\n -l,--list List of installed packages"
+//usage: "\n --configure Configure an unpackaged package"
+//usage: "\n -P,--purge Purge all files of a package"
+//usage: "\n -r,--remove Remove all but the configuration files for a package"
+//usage: "\n --unpack Unpack a package, but don't configure it"
+//usage: "\n --force-depends Ignore dependency problems"
+//usage: "\n --force-confnew Overwrite existing config files when installing"
+//usage: "\n --force-confold Keep old config files when installing"
+//usage: )
+//usage: IF_NOT_LONG_OPTS(
+//usage: "\n -i Install the package"
+//usage: "\n -l List of installed packages"
+//usage: "\n -C Configure an unpackaged package"
+//usage: "\n -P Purge all files of a package"
+//usage: "\n -r Remove all but the configuration files for a package"
+//usage: "\n -u Unpack a package, but don't configure it"
+//usage: "\n -F depends Ignore dependency problems"
+//usage: "\n -F confnew Overwrite existing config files when installing"
+//usage: "\n -F confold Keep old config files when installing"
+//usage: )
+
+#include "libbb.h"
+#include <fnmatch.h>
+#include "bb_archive.h"
/* note: if you vary hash_prime sizes be aware,
* 1) tweaking these will have a big effect on how much memory this program uses.
* and available file */
#define PACKAGE_HASH_PRIME 10007
typedef struct edge_s {
- unsigned operator:3;
+ unsigned operator:4; /* was:3 */
unsigned type:4;
- unsigned name:14;
- unsigned version:14;
+ unsigned name:16; /* was:14 */
+ unsigned version:16; /* was:14 */
} edge_t;
typedef struct common_node_s {
- unsigned name:14;
- unsigned version:14;
- unsigned num_of_edges:14;
+ unsigned name:16; /* was:14 */
+ unsigned version:16; /* was:14 */
+ unsigned num_of_edges:16; /* was:14 */
edge_t **edge;
} common_node_t;
* likely to be installed at any one time, so there is a bit of leeway here */
#define STATUS_HASH_PRIME 8191
typedef struct status_node_s {
- unsigned package:14; /* has to fit PACKAGE_HASH_PRIME */
- unsigned status:14; /* has to fit STATUS_HASH_PRIME */
+ unsigned package:16; /* was:14 */ /* has to fit PACKAGE_HASH_PRIME */
+ unsigned status:16; /* was:14 */ /* has to fit STATUS_HASH_PRIME */
} status_node_t;
-/* Were statically declared here, but such a big bss is nommu-unfriendly */
-static char **name_hashtable; /* [NAME_HASH_PRIME + 1] */
-static common_node_t **package_hashtable; /* [PACKAGE_HASH_PRIME + 1] */
-static status_node_t **status_hashtable; /* [STATUS_HASH_PRIME + 1] */
+
+/* Globals */
+struct globals {
+ char *name_hashtable[NAME_HASH_PRIME + 1];
+ common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1];
+ status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
+};
+#define G (*ptr_to_globals)
+#define name_hashtable (G.name_hashtable )
+#define package_hashtable (G.package_hashtable)
+#define status_hashtable (G.status_hashtable )
+#define INIT_G() do { \
+ SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
+} while (0)
+
/* Even numbers are for 'extras', like ored dependencies or null */
enum edge_type_e {
typedef struct deb_file_s {
char *control_file;
char *filename;
- unsigned package:14;
+ unsigned package:16; /* was:14 */
} deb_file_t;
static void make_hash(const char *key, unsigned *start, unsigned *decrement, const int hash_prime)
{
- unsigned long int hash_num = key[0];
+ unsigned long hash_num = key[0];
int len = strlen(key);
int i;
/* shifts the ascii based value and adds it to previous value
* shift amount is mod 24 because long int is 32 bit and data
* to be shifted is 8, don't want to shift data to where it has
- * no effect*/
- hash_num += ((key[i] + key[i-1]) << ((key[i] * i) % 24));
+ * no effect */
+ hash_num += (key[i] + key[i-1]) << ((key[i] * i) % 24);
}
*start = (unsigned) hash_num % hash_prime;
*decrement = (unsigned) 1 + (hash_num % (hash_prime - 1));
/* this adds the key to the hash table */
static int search_name_hashtable(const char *key)
{
- unsigned probe_address = 0;
- unsigned probe_decrement = 0;
+ unsigned probe_address;
+ unsigned probe_decrement;
make_hash(key, &probe_address, &probe_decrement, NAME_HASH_PRIME);
while (name_hashtable[probe_address] != NULL) {
*/
static unsigned search_status_hashtable(const char *key)
{
- unsigned probe_address = 0;
- unsigned probe_decrement = 0;
+ unsigned probe_address;
+ unsigned probe_decrement;
make_hash(key, &probe_address, &probe_decrement, STATUS_HASH_PRIME);
while (status_hashtable[probe_address] != NULL) {
return probe_address;
}
-/* Need to rethink version comparison, maybe the official dpkg has something i can use ? */
-static int version_compare_part(const char *version1, const char *version2)
+static int order(char x)
{
- int upstream_len1 = 0;
- int upstream_len2 = 0;
- char *name1_char;
- char *name2_char;
- int len1 = 0;
- int len2 = 0;
- int tmp_int;
- int ver_num1;
- int ver_num2;
-
- if (version1 == NULL) {
- version1 = xstrdup("");
- }
- if (version2 == NULL) {
- version2 = xstrdup("");
- }
- upstream_len1 = strlen(version1);
- upstream_len2 = strlen(version2);
-
- while ((len1 < upstream_len1) || (len2 < upstream_len2)) {
- /* Compare non-digit section */
- tmp_int = strcspn(&version1[len1], "0123456789");
- name1_char = xstrndup(&version1[len1], tmp_int);
- len1 += tmp_int;
- tmp_int = strcspn(&version2[len2], "0123456789");
- name2_char = xstrndup(&version2[len2], tmp_int);
- len2 += tmp_int;
- tmp_int = strcmp(name1_char, name2_char);
- free(name1_char);
- free(name2_char);
- if (tmp_int != 0) {
- return tmp_int;
+ return (x == '~' ? -1
+ : x == '\0' ? 0
+ : isdigit(x) ? 0
+ : isalpha(x) ? x
+ : (unsigned char)x + 256
+ );
+}
+
+/* This code is taken from dpkg and modified slightly to work with busybox */
+static int version_compare_part(const char *val, const char *ref)
+{
+ if (!val) val = "";
+ if (!ref) ref = "";
+
+ while (*val || *ref) {
+ int first_diff;
+
+ while ((*val && !isdigit(*val)) || (*ref && !isdigit(*ref))) {
+ int vc = order(*val);
+ int rc = order(*ref);
+ if (vc != rc)
+ return vc - rc;
+ val++;
+ ref++;
}
- /* Compare digits */
- tmp_int = strspn(&version1[len1], "0123456789");
- name1_char = xstrndup(&version1[len1], tmp_int);
- len1 += tmp_int;
- tmp_int = strspn(&version2[len2], "0123456789");
- name2_char = xstrndup(&version2[len2], tmp_int);
- len2 += tmp_int;
- ver_num1 = atoi(name1_char);
- ver_num2 = atoi(name2_char);
- free(name1_char);
- free(name2_char);
- if (ver_num1 < ver_num2) {
- return -1;
+ while (*val == '0')
+ val++;
+ while (*ref == '0')
+ ref++;
+
+ first_diff = 0;
+ while (isdigit(*val) && isdigit(*ref)) {
+ if (first_diff == 0)
+ first_diff = *val - *ref;
+ val++;
+ ref++;
}
- if (ver_num1 > ver_num2) {
+ if (isdigit(*val))
return 1;
- }
+ if (isdigit(*ref))
+ return -1;
+ if (first_diff)
+ return first_diff;
}
return 0;
}
{
char *ch_ver1 = name_hashtable[ver1];
char *ch_ver2 = name_hashtable[ver2];
-
- char epoch1, epoch2;
+ unsigned epoch1 = 0, epoch2 = 0;
+ char *colon;
char *deb_ver1, *deb_ver2;
- char *ver1_ptr, *ver2_ptr;
char *upstream_ver1;
char *upstream_ver2;
int result;
/* Compare epoch */
- if (ch_ver1[1] == ':') {
- epoch1 = ch_ver1[0];
- ver1_ptr = strchr(ch_ver1, ':') + 1;
- } else {
- epoch1 = '0';
- ver1_ptr = ch_ver1;
+ colon = strchr(ch_ver1, ':');
+ if (colon) {
+ epoch1 = atoi(ch_ver1);
+ ch_ver1 = colon + 1;
}
- if (ch_ver2[1] == ':') {
- epoch2 = ch_ver2[0];
- ver2_ptr = strchr(ch_ver2, ':') + 1;
- } else {
- epoch2 = '0';
- ver2_ptr = ch_ver2;
+ colon = strchr(ch_ver2, ':');
+ if (colon) {
+ epoch2 = atoi(ch_ver2);
+ ch_ver2 = colon + 1;
}
if (epoch1 < epoch2) {
return -1;
}
- else if (epoch1 > epoch2) {
+ if (epoch1 > epoch2) {
return 1;
}
/* Compare upstream version */
- upstream_ver1 = xstrdup(ver1_ptr);
- upstream_ver2 = xstrdup(ver2_ptr);
+ upstream_ver1 = xstrdup(ch_ver1);
+ upstream_ver2 = xstrdup(ch_ver2);
/* Chop off debian version, and store for later use */
deb_ver1 = strrchr(upstream_ver1, '-');
deb_ver2 = strrchr(upstream_ver2, '-');
if (deb_ver1) {
- deb_ver1[0] = '\0';
- deb_ver1++;
+ *deb_ver1++ = '\0';
}
if (deb_ver2) {
- deb_ver2[0] = '\0';
- deb_ver2++;
+ *deb_ver2++ = '\0';
}
result = version_compare_part(upstream_ver1, upstream_ver2);
- if (!result)
+ if (result == 0) {
/* Compare debian versions */
result = version_compare_part(deb_ver1, deb_ver2);
+ }
free(upstream_ver1);
free(upstream_ver2);
return FALSE;
}
-
static int search_package_hashtable(const unsigned name, const unsigned version, const unsigned operator)
{
- unsigned probe_address = 0;
- unsigned probe_decrement = 0;
+ unsigned probe_address;
+ unsigned probe_decrement;
make_hash(name_hashtable[name], &probe_address, &probe_decrement, PACKAGE_HASH_PRIME);
while (package_hashtable[probe_address] != NULL) {
* FIXME: I don't think this is very efficient, but I thought I'd keep
* it simple for now until it proves to be a problem.
*/
-static int search_for_provides(int needle, int start_at) {
+static int search_for_provides(int needle, int start_at)
+{
int i, j;
common_node_t *p;
for (i = start_at + 1; i < PACKAGE_HASH_PRIME; i++) {
*/
static void add_edge_to_node(common_node_t *node, edge_t *edge)
{
- node->num_of_edges++;
- node->edge = xrealloc(node->edge, sizeof(edge_t) * (node->num_of_edges + 1));
- node->edge[node->num_of_edges - 1] = edge;
+ node->edge = xrealloc_vector(node->edge, 2, node->num_of_edges);
+ node->edge[node->num_of_edges++] = edge;
}
/*
if ((edge_type == EDGE_DEPENDS || edge_type == EDGE_PRE_DEPENDS)
&& (strcmp(field, field2) != 0)
) {
- or_edge = xmalloc(sizeof(edge_t));
+ or_edge = xzalloc(sizeof(edge_t));
or_edge->type = edge_type + 1;
or_edge->name = search_name_hashtable(field);
- or_edge->version = 0; // tracks the number of altenatives
+ //or_edge->version = 0; // tracks the number of alternatives
add_edge_to_node(parent_node, or_edge);
}
edge->version = search_name_hashtable("ANY");
} else {
/* Skip leading ' ' or '(' */
- version += strspn(field2, " (");
+ version += strspn(version, " (");
/* Calculate length of any operator characters */
offset_ch = strspn(version, "<=>");
/* Determine operator */
if (offset_ch > 0) {
if (strncmp(version, "=", offset_ch) == 0) {
edge->operator = VER_EQUAL;
- }
- else if (strncmp(version, "<<", offset_ch) == 0) {
+ } else if (strncmp(version, "<<", offset_ch) == 0) {
edge->operator = VER_LESS;
- }
- else if (strncmp(version, "<=", offset_ch) == 0) {
+ } else if (strncmp(version, "<=", offset_ch) == 0) {
edge->operator = VER_LESS_EQUAL;
- }
- else if (strncmp(version, ">>", offset_ch) == 0) {
+ } else if (strncmp(version, ">>", offset_ch) == 0) {
edge->operator = VER_MORE;
- }
- else if (strncmp(version, ">=", offset_ch) == 0) {
+ } else if (strncmp(version, ">=", offset_ch) == 0) {
edge->operator = VER_MORE_EQUAL;
} else {
bb_error_msg_and_die("illegal operator");
or_edge->version++;
add_edge_to_node(parent_node, edge);
- } while ((field2 = strtok_r(NULL, "|", &line_ptr2)) != NULL);
+ field2 = strtok_r(NULL, "|", &line_ptr2);
+ } while (field2 != NULL);
+
free(line2);
- } while ((field = strtok_r(NULL, ",", &line_ptr1)) != NULL);
+ field = strtok_r(NULL, ",", &line_ptr1);
+ } while (field != NULL);
+
free(line);
}
}
/*
- * Gets the next package field from package_buffer, seperated into the field name
+ * Gets the next package field from package_buffer, separated into the field name
* and field value, it returns the int offset to the first character of the next field
*/
static int read_package_field(const char *package_buffer, char **field_name, char **field_value)
static unsigned fill_package_struct(char *control_buffer)
{
- static const char *const field_names[] = { "Package", "Version",
- "Pre-Depends", "Depends","Replaces", "Provides",
- "Conflicts", "Suggests", "Recommends", "Enhances", 0
- };
+ static const char field_names[] ALIGN1 =
+ "Package\0""Version\0"
+ "Pre-Depends\0""Depends\0""Replaces\0""Provides\0"
+ "Conflicts\0""Suggests\0""Recommends\0""Enhances\0";
common_node_t *new_node = xzalloc(sizeof(common_node_t));
char *field_name;
&field_name, &field_value);
if (field_name == NULL) {
- goto fill_package_struct_cleanup; /* Oh no, the dreaded goto statement ! */
+ goto fill_package_struct_cleanup;
}
- field_num = index_in_str_array(field_names, field_name);
+ field_num = index_in_strings(field_names, field_name);
switch (field_num) {
case 0: /* Package */
new_node->name = search_name_hashtable(field_value);
return -1;
}
num = search_package_hashtable(new_node->name, new_node->version, VER_EQUAL);
- if (package_hashtable[num] == NULL) {
- package_hashtable[num] = new_node;
- } else {
- free_package(new_node);
- }
+ free_package(package_hashtable[num]);
+ package_hashtable[num] = new_node;
return num;
}
static void set_status(const unsigned status_node_num, const char *new_value, const int position)
{
- const unsigned new_value_len = strlen(new_value);
const unsigned new_value_num = search_name_hashtable(new_value);
unsigned want = get_status(status_node_num, 1);
unsigned flag = get_status(status_node_num, 2);
unsigned status = get_status(status_node_num, 3);
- int want_len = strlen(name_hashtable[want]);
- int flag_len = strlen(name_hashtable[flag]);
- int status_len = strlen(name_hashtable[status]);
char *new_status;
switch (position) {
case 1:
want = new_value_num;
- want_len = new_value_len;
break;
case 2:
flag = new_value_num;
- flag_len = new_value_len;
break;
case 3:
status = new_value_num;
- status_len = new_value_len;
break;
default:
bb_error_msg_and_die("DEBUG ONLY: this shouldnt happen");
free(new_status);
}
-static const char *describe_status(int status_num) {
- int status_want, status_state ;
+static const char *describe_status(int status_num)
+{
+ int status_want, status_state;
if (status_hashtable[status_num] == NULL || status_hashtable[status_num]->status == 0)
- return "is not installed or flagged to be installed\n";
+ return "is not installed or flagged to be installed";
status_want = get_status(status_num, 1);
status_state = get_status(status_num, 3);
if (status_want == search_name_hashtable("purge"))
return "is marked to be purged";
}
- if (status_want == search_name_hashtable("unknown"))
+ if (status_want == search_name_hashtable("unknown"))
return "is in an indeterminate state";
if (status_want == search_name_hashtable("install"))
return "is marked to be installed";
return "is not installed or flagged to be installed";
}
-
static void index_status_file(const char *filename)
{
FILE *status_file;
status_node_t *status_node = NULL;
unsigned status_num;
- status_file = xfopen(filename, "r");
- while ((control_buffer = xmalloc_fgets_str(status_file, "\n\n")) != NULL) {
+ status_file = xfopen_for_read(filename);
+ while ((control_buffer = xmalloc_fgetline_str(status_file, "\n\n")) != NULL) {
const unsigned package_num = fill_package_struct(control_buffer);
if (package_num != -1) {
status_node = xmalloc(sizeof(status_node_t));
/* This could do with a cleanup */
static void write_status_file(deb_file_t **deb_file)
{
- FILE *old_status_file = xfopen("/var/lib/dpkg/status", "r");
- FILE *new_status_file = xfopen("/var/lib/dpkg/status.udeb", "w");
+ FILE *old_status_file = xfopen_for_read("/var/lib/dpkg/status");
+ FILE *new_status_file = xfopen_for_write("/var/lib/dpkg/status.udeb");
char *package_name;
char *status_from_file;
char *control_buffer = NULL;
int i = 0;
/* Update previously known packages */
- while ((control_buffer = xmalloc_fgets_str(old_status_file, "\n\n")) != NULL) {
- if ((tmp_string = strstr(control_buffer, "Package:")) == NULL) {
+ while ((control_buffer = xmalloc_fgetline_str(old_status_file, "\n\n")) != NULL) {
+ tmp_string = strstr(control_buffer, "Package:");
+ if (tmp_string == NULL) {
continue;
}
write_flag = FALSE;
tmp_string = strstr(control_buffer, "Status:");
if (tmp_string != NULL) {
- /* Seperate the status value from the control buffer */
+ /* Separate the status value from the control buffer */
tmp_string += 7;
tmp_string += strspn(tmp_string, " \n\t");
status_from_file = xstrndup(tmp_string, strcspn(tmp_string, "\n"));
if (strcmp(status_from_file, status_from_hashtable) != 0) {
/* New status isnt exactly the same as old status */
const int state_status = get_status(status_num, 3);
- if ((strcmp("installed", name_hashtable[state_status]) == 0) ||
- (strcmp("unpacked", name_hashtable[state_status]) == 0)) {
+ if ((strcmp("installed", name_hashtable[state_status]) == 0)
+ || (strcmp("unpacked", name_hashtable[state_status]) == 0)
+ ) {
/* We need to add the control file from the package */
i = 0;
while (deb_file[i] != NULL) {
if (field_name == NULL) {
break;
}
- if ((strcmp(field_name, "Priority") == 0) ||
- (strcmp(field_name, "Section") == 0)) {
+ if ((strcmp(field_name, "Priority") == 0)
+ || (strcmp(field_name, "Section") == 0)
+ ) {
fprintf(new_status_file, "%s: %s\n", field_name, field_value);
}
}
write_flag = TRUE;
fputs("\n", new_status_file);
}
- else if (strcmp("config-files", name_hashtable[state_status]) == 0) {
+ else if (strcmp("config-files", name_hashtable[state_status]) == 0) {
/* only change the status line */
while (1) {
char *field_name;
}
}
/* If the package from the status file wasnt handle above, do it now*/
- if (! write_flag) {
+ if (!write_flag) {
fprintf(new_status_file, "%s\n\n", control_buffer);
}
fclose(old_status_file);
fclose(new_status_file);
-
/* Create a separate backfile to dpkg */
if (rename("/var/lib/dpkg/status", "/var/lib/dpkg/status.udeb.bak") == -1) {
- struct stat stat_buf;
- xstat("/var/lib/dpkg/status", &stat_buf);
+ if (errno != ENOENT)
+ bb_error_msg_and_die("can't create backup status file");
/* Its ok if renaming the status file fails because status
* file doesnt exist, maybe we are starting from scratch */
bb_error_msg("no status file found, creating new one");
}
- if (rename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status") == -1) {
- bb_error_msg_and_die("DANGER: cannot create status file, "
- "you need to manually repair your status file");
- }
+ xrename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status");
}
/* This function returns TRUE if the given package can satisfy a
return 0;
switch (depend_type) {
- case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed");
- case EDGE_DEPENDS: return get_status(status_num, 1) == search_name_hashtable("install");
+ case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed");
+ case EDGE_DEPENDS: return get_status(status_num, 1) == search_name_hashtable("install");
}
return 0;
}
-static int check_deps(deb_file_t **deb_file, int deb_start, int dep_max_count)
+static int check_deps(deb_file_t **deb_file, int deb_start /*, int dep_max_count - ?? */)
{
int *conflicts = NULL;
int conflicts_num = 0;
* installed package for conflicts*/
while (deb_file[i] != NULL) {
const unsigned package_num = deb_file[i]->package;
- conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
+ conflicts = xrealloc_vector(conflicts, 2, conflicts_num);
conflicts[conflicts_num] = package_num;
conflicts_num++;
/* add provides to conflicts list */
- for (j = 0; j < package_hashtable[package_num]->num_of_edges; j++) {
+ for (j = 0; j < package_hashtable[package_num]->num_of_edges; j++) {
if (package_hashtable[package_num]->edge[j]->type == EDGE_PROVIDES) {
const int conflicts_package_num = search_package_hashtable(
package_hashtable[package_num]->edge[j]->name,
new_node->version = package_hashtable[package_num]->edge[j]->version;
package_hashtable[conflicts_package_num] = new_node;
}
- conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
+ conflicts = xrealloc_vector(conflicts, 2, conflicts_num);
conflicts[conflicts_num] = conflicts_package_num;
conflicts_num++;
}
if (package_edge->type == EDGE_CONFLICTS) {
const unsigned package_num =
search_package_hashtable(package_edge->name,
- package_edge->version,
- package_edge->operator);
+ package_edge->version,
+ package_edge->operator);
int result = 0;
if (package_hashtable[package_num] != NULL) {
status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]);
const edge_t *package_edge = package_node->edge[j];
unsigned package_num;
- if (package_edge->type == EDGE_OR_PRE_DEPENDS ||
- package_edge->type == EDGE_OR_DEPENDS) { /* start an EDGE_OR_ list */
+ if (package_edge->type == EDGE_OR_PRE_DEPENDS
+ || package_edge->type == EDGE_OR_DEPENDS
+ ) {
+ /* start an EDGE_OR_ list */
number_of_alternatives = package_edge->version;
root_of_alternatives = package_edge;
continue;
- } else if (number_of_alternatives == 0) { /* not in the middle of an EDGE_OR_ list */
+ }
+ if (number_of_alternatives == 0) { /* not in the middle of an EDGE_OR_ list */
number_of_alternatives = 1;
root_of_alternatives = NULL;
}
package_num = search_package_hashtable(package_edge->name, package_edge->version, package_edge->operator);
- if (package_edge->type == EDGE_PRE_DEPENDS ||
- package_edge->type == EDGE_DEPENDS) {
+ if (package_edge->type == EDGE_PRE_DEPENDS
+ || package_edge->type == EDGE_DEPENDS
+ ) {
int result=1;
status_num = 0;
*/
if (root_of_alternatives && package_edge->type != root_of_alternatives->type - 1)
bb_error_msg_and_die("fatal error, package dependencies corrupt: %d != %d - 1",
- package_edge->type, root_of_alternatives->type);
+ package_edge->type, root_of_alternatives->type);
if (package_hashtable[package_num] != NULL)
result = !package_satisfies_dependency(package_num, package_edge->type);
name_hashtable[package_node->name],
package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
name_hashtable[root_of_alternatives->name]);
- else
- bb_error_msg_and_die(
- "package %s %sdepends on %s, which %s\n",
- name_hashtable[package_node->name],
- package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
- name_hashtable[package_edge->name],
- describe_status(status_num));
- } else if (result == 0 && number_of_alternatives) {
+ bb_error_msg_and_die(
+ "package %s %sdepends on %s, which %s\n",
+ name_hashtable[package_node->name],
+ package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
+ name_hashtable[package_edge->name],
+ describe_status(status_num));
+ }
+ if (result == 0 && number_of_alternatives) {
/* we've found a package which
* satisfies the dependency,
* so skip over the rest of
static char **create_list(const char *filename)
{
FILE *list_stream;
- char **file_list = NULL;
- char *line = NULL;
- int count = 0;
+ char **file_list;
+ char *line;
+ int count;
/* don't use [xw]fopen here, handle error ourself */
- list_stream = fopen(filename, "r");
+ list_stream = fopen_for_read(filename);
if (list_stream == NULL) {
return NULL;
}
- while ((line = xmalloc_getline(list_stream)) != NULL) {
- file_list = xrealloc(file_list, sizeof(char *) * (count + 2));
- file_list[count] = line;
- count++;
+ file_list = NULL;
+ count = 0;
+ while ((line = xmalloc_fgetline(list_stream)) != NULL) {
+ file_list = xrealloc_vector(file_list, 2, count);
+ file_list[count++] = line;
+ /*file_list[count] = NULL; - xrealloc_vector did it */
}
fclose(list_stream);
- if (count == 0) {
- return NULL;
- } else {
- file_list[count] = NULL;
- return file_list;
- }
+ return file_list;
}
/* maybe i should try and hook this into remove_file.c somehow */
static int remove_file_array(char **remove_names, char **exclude_names)
{
struct stat path_stat;
- int match_flag;
- int remove_flag = FALSE;
- int i,j;
+ int remove_flag = 1; /* not removed anything yet */
+ int i, j;
if (remove_names == NULL) {
- return FALSE;
+ return 0;
}
for (i = 0; remove_names[i] != NULL; i++) {
- match_flag = FALSE;
if (exclude_names != NULL) {
- for (j = 0; exclude_names[j] != 0; j++) {
+ for (j = 0; exclude_names[j] != NULL; j++) {
if (strcmp(remove_names[i], exclude_names[j]) == 0) {
- match_flag = TRUE;
- break;
+ goto skip;
}
}
}
- if (!match_flag) {
- if (lstat(remove_names[i], &path_stat) < 0) {
- continue;
- }
- if (S_ISDIR(path_stat.st_mode)) {
- if (rmdir(remove_names[i]) != -1) {
- remove_flag = TRUE;
- }
- } else {
- if (unlink(remove_names[i]) != -1) {
- remove_flag = TRUE;
- }
- }
+ /* TODO: why we are checking lstat? we can just try rm/rmdir */
+ if (lstat(remove_names[i], &path_stat) < 0) {
+ continue;
}
+ if (S_ISDIR(path_stat.st_mode)) {
+ remove_flag &= rmdir(remove_names[i]); /* 0 if no error */
+ } else {
+ remove_flag &= unlink(remove_names[i]); /* 0 if no error */
+ }
+ skip:
+ continue;
}
- return remove_flag;
+ return (remove_flag == 0);
}
-static int run_package_script(const char *package_name, const char *script_type)
+static void run_package_script_or_die(const char *package_name, const char *script_type)
{
- struct stat path_stat;
char *script_path;
int result;
script_path = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, script_type);
- /* If the file doesnt exist is isnt a fatal */
- result = lstat(script_path, &path_stat) < 0 ? EXIT_SUCCESS : system(script_path);
+ /* If the file doesnt exist is isnt fatal */
+ result = access(script_path, F_OK) ? EXIT_SUCCESS : system(script_path);
free(script_path);
- return result;
+ if (result)
+ bb_error_msg_and_die("%s failed, exit code %d", script_type, result);
}
-static const char *all_control_files[] = {"preinst", "postinst", "prerm", "postrm",
- "list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
+/*
+The policy manual defines what scripts get called when and with
+what arguments. I realize that busybox does not support all of
+these scenarios, but it does support some of them; it does not,
+however, run them with any parameters in run_package_script_or_die().
+Here are the scripts:
+
+preinst install
+preinst install <old_version>
+preinst upgrade <old_version>
+preinst abort_upgrade <new_version>
+postinst configure <most_recent_version>
+postinst abort-upgade <new_version>
+postinst abort-remove
+postinst abort-remove in-favour <package> <version>
+postinst abort-deconfigure in-favor <failed_install_package> removing <conflicting_package> <version>
+prerm remove
+prerm upgrade <new_version>
+prerm failed-upgrade <old_version>
+prerm remove in-favor <package> <new_version>
+prerm deconfigure in-favour <package> <version> removing <package> <version>
+postrm remove
+postrm purge
+postrm upgrade <new_version>
+postrm failed-upgrade <old_version>
+postrm abort-install
+postrm abort-install <old_version>
+postrm abort-upgrade <old_version>
+postrm disappear <overwriter> <version>
+*/
+static const char *const all_control_files[] = {
+ "preinst", "postinst", "prerm", "postrm",
+ "list", "md5sums", "shlibs", "conffiles",
+ "config", "templates"
+};
static char **all_control_list(const char *package_name)
{
char **remove_files;
/* Create a list of all /var/lib/dpkg/info/<package> files */
- remove_files = xzalloc(sizeof(all_control_files));
- while (all_control_files[i]) {
- remove_files[i] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, all_control_files[i]);
+ remove_files = xzalloc(sizeof(all_control_files) + sizeof(char*));
+ while (i < ARRAY_SIZE(all_control_files)) {
+ remove_files[i] = xasprintf("/var/lib/dpkg/info/%s.%s",
+ package_name, all_control_files[i]);
i++;
}
static void free_array(char **array)
{
-
if (array) {
unsigned i = 0;
while (array[i]) {
* the status_hashtable to retrieve the info. This results in smaller code than
* scanning the status file. The resulting list, however, is unsorted.
*/
-static void list_packages(void)
+static void list_packages(const char *pattern)
{
int i;
puts("+++-==============-==============");
/* go through status hash, dereference package hash and finally strings */
- for (i=0; i<STATUS_HASH_PRIME+1; i++) {
-
+ for (i = 0; i < STATUS_HASH_PRIME+1; i++) {
if (status_hashtable[i]) {
const char *stat_str; /* status string */
const char *name_str; /* package name */
name_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->name];
vers_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->version];
+ if (pattern && fnmatch(pattern, name_str, 0) != 0)
+ continue;
+
/* get abbreviation for status field 1 */
s1 = stat_str[0] == 'i' ? 'i' : 'r';
/* get abbreviation for status field 2 */
- for (j=0, spccnt=0; stat_str[j] && spccnt<2; j++) {
+ for (j = 0, spccnt = 0; stat_str[j] && spccnt < 2; j++) {
if (stat_str[j] == ' ') spccnt++;
}
s2 = stat_str[j];
/* print out the line formatted like Debian dpkg */
printf("%c%c %-14s %s\n", s1, s2, name_str, vers_str);
}
- }
+ }
}
static void remove_package(const unsigned package_num, int noisy)
char **exclude_files;
char list_name[package_name_length + 25];
char conffile_name[package_name_length + 30];
- int return_value;
if (noisy)
printf("Removing %s (%s)...\n", package_name, package_version);
- /* run prerm script */
- return_value = run_package_script(package_name, "prerm");
- if (return_value == -1) {
- bb_error_msg_and_die("script failed, prerm failure");
- }
+ /* Run prerm script */
+ run_package_script_or_die(package_name, "prerm");
/* Create a list of files to remove, and a separate list of those to keep */
- sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
+ sprintf(list_name, "/var/lib/dpkg/info/%s.%s", package_name, "list");
remove_files = create_list(list_name);
- sprintf(conffile_name, "/var/lib/dpkg/info/%s.conffiles", package_name);
+ sprintf(conffile_name, "/var/lib/dpkg/info/%s.%s", package_name, "conffiles");
exclude_files = create_list(conffile_name);
/* Some directories can't be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files)) /*repeat */;
+ while (remove_file_array(remove_files, exclude_files))
+ continue;
free_array(exclude_files);
free_array(remove_files);
- /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
- exclude_files = xzalloc(sizeof(char*) * 3);
+ /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
+ exclude_files = xzalloc(sizeof(exclude_files[0]) * 3);
exclude_files[0] = xstrdup(conffile_name);
- exclude_files[1] = xasprintf("/var/lib/dpkg/info/%s.postrm", package_name);
+ exclude_files[1] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "postrm");
/* Create a list of all /var/lib/dpkg/info/<package> files */
remove_files = all_control_list(package_name);
free_array(remove_files);
free_array(exclude_files);
- /* rename <package>.conffile to <package>.list */
+ /* rename <package>.conffiles to <package>.list
+ * The conffiles control file isn't required in Debian packages, so don't
+ * error out if it's missing. */
rename(conffile_name, list_name);
/* Change package status */
printf("Purging %s (%s)...\n", package_name, package_version);
- /* run prerm script */
- if (run_package_script(package_name, "prerm") != 0) {
- bb_error_msg_and_die("script failed, prerm failure");
- }
+ /* Run prerm script */
+ run_package_script_or_die(package_name, "prerm");
/* Create a list of files to remove */
- sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
+ sprintf(list_name, "/var/lib/dpkg/info/%s.%s", package_name, "list");
remove_files = create_list(list_name);
- exclude_files = xzalloc(sizeof(char*));
-
/* Some directories cant be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files)) /* repeat */;
+ while (remove_file_array(remove_files, NULL))
+ continue;
free_array(remove_files);
/* Create a list of all /var/lib/dpkg/info/<package> files */
remove_files = all_control_list(package_name);
+
+ /* Delete all of them except the postrm script */
+ exclude_files = xzalloc(sizeof(exclude_files[0]) * 2);
+ exclude_files[0] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "postrm");
remove_file_array(remove_files, exclude_files);
- free_array(remove_files);
- free(exclude_files);
+ free_array(exclude_files);
- /* run postrm script */
- if (run_package_script(package_name, "postrm") == -1) {
- bb_error_msg_and_die("postrm fialure.. set status to what?");
- }
+ /* Run and remove postrm script */
+ run_package_script_or_die(package_name, "postrm");
+ remove_file_array(remove_files, NULL);
+
+ free_array(remove_files);
/* Change package status */
set_status(status_num, "not-installed", 3);
tar_handle->src_fd = ar_handle->src_fd;
/* We don't care about data.tar.* or debian-binary, just control.tar.* */
-#ifdef CONFIG_FEATURE_DEB_TAR_GZ
+#if ENABLE_FEATURE_SEAMLESS_GZ
llist_add_to(&(ar_handle->accept), (char*)"control.tar.gz");
#endif
-#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
+#if ENABLE_FEATURE_SEAMLESS_BZ2
llist_add_to(&(ar_handle->accept), (char*)"control.tar.bz2");
#endif
/* Assign the tar handle as a subarchive of the ar handle */
- ar_handle->sub_archive = tar_handle;
+ ar_handle->dpkg__sub_archive = tar_handle;
}
static void init_archive_deb_data(archive_handle_t *ar_handle)
tar_handle->src_fd = ar_handle->src_fd;
/* We don't care about control.tar.* or debian-binary, just data.tar.* */
-#ifdef CONFIG_FEATURE_DEB_TAR_GZ
+#if ENABLE_FEATURE_SEAMLESS_GZ
llist_add_to(&(ar_handle->accept), (char*)"data.tar.gz");
#endif
-#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
+#if ENABLE_FEATURE_SEAMLESS_BZ2
llist_add_to(&(ar_handle->accept), (char*)"data.tar.bz2");
#endif
/* Assign the tar handle as a subarchive of the ar handle */
- ar_handle->sub_archive = tar_handle;
+ ar_handle->dpkg__sub_archive = tar_handle;
+}
+
+static void FAST_FUNC data_extract_to_buffer(archive_handle_t *archive_handle)
+{
+ unsigned size = archive_handle->file_header->size;
+
+ archive_handle->dpkg__buffer = xzalloc(size + 1);
+ xread(archive_handle->src_fd, archive_handle->dpkg__buffer, size);
}
static char *deb_extract_control_file_to_buffer(archive_handle_t *ar_handle, llist_t *myaccept)
{
- ar_handle->sub_archive->action_data = data_extract_to_buffer;
- ar_handle->sub_archive->accept = myaccept;
- ar_handle->sub_archive->filter = filter_accept_list;
+ ar_handle->dpkg__sub_archive->action_data = data_extract_to_buffer;
+ ar_handle->dpkg__sub_archive->accept = myaccept;
+ ar_handle->dpkg__sub_archive->filter = filter_accept_list;
unpack_ar_archive(ar_handle);
close(ar_handle->src_fd);
- return ar_handle->sub_archive->buffer;
+ return ar_handle->dpkg__sub_archive->dpkg__buffer;
}
-static void data_extract_all_prefix(archive_handle_t *archive_handle)
+static void append_control_file_to_llist(const char *package_name, const char *control_name, llist_t **ll)
+{
+ FILE *fp;
+ char *filename, *line;
+
+ filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, control_name);
+ fp = fopen_for_read(filename);
+ free(filename);
+ if (fp != NULL) {
+ while ((line = xmalloc_fgetline(fp)) != NULL)
+ llist_add_to(ll, line);
+ fclose(fp);
+ }
+}
+
+static char FAST_FUNC filter_rename_config(archive_handle_t *archive_handle)
+{
+ int fd;
+ char *name_ptr = archive_handle->file_header->name + 1;
+
+ /* Is this file marked as config file? */
+ if (!find_list_entry(archive_handle->accept, name_ptr))
+ return EXIT_SUCCESS; /* no */
+
+ fd = open(name_ptr, O_RDONLY);
+ if (fd >= 0) {
+ md5_ctx_t md5;
+ char *md5line, *buf;
+ int count;
+
+ /* Calculate MD5 of existing file */
+ buf = xmalloc(4096);
+ md5_begin(&md5);
+ while ((count = safe_read(fd, buf, 4096)) > 0)
+ md5_hash(&md5, buf, count);
+ md5_end(&md5, buf); /* using buf as result storage */
+ close(fd);
+
+ md5line = xmalloc(16 * 2 + 2 + strlen(name_ptr) + 1);
+ sprintf(bin2hex(md5line, buf, 16), " %s", name_ptr);
+ free(buf);
+
+ /* Is it changed after install? */
+ if (find_list_entry(archive_handle->accept, md5line) == NULL) {
+ printf("Warning: Creating %s as %s.dpkg-new\n", name_ptr, name_ptr);
+ archive_handle->file_header->name = xasprintf("%s.dpkg-new", archive_handle->file_header->name);
+ }
+ free(md5line);
+ }
+ return EXIT_SUCCESS;
+}
+
+static void FAST_FUNC data_extract_all_prefix(archive_handle_t *archive_handle)
{
char *name_ptr = archive_handle->file_header->name;
- name_ptr += strspn(name_ptr, "./");
+ /* Skip all leading "/" */
+ while (*name_ptr == '/')
+ name_ptr++;
+ /* Skip all leading "./" and "../" */
+ while (name_ptr[0] == '.') {
+ if (name_ptr[1] == '.')
+ name_ptr++;
+ if (name_ptr[1] != '/')
+ break;
+ name_ptr += 2;
+ }
+
if (name_ptr[0] != '\0') {
- archive_handle->file_header->name = xasprintf("%s%s", archive_handle->buffer, name_ptr);
+ archive_handle->file_header->name = xasprintf("%s%s", archive_handle->dpkg__buffer, name_ptr);
data_extract_all(archive_handle);
+ if (fnmatch("*.dpkg-new", archive_handle->file_header->name, 0) == 0) {
+ /* remove .dpkg-new suffix */
+ archive_handle->file_header->name[strlen(archive_handle->file_header->name) - 9] = '\0';
+ }
}
}
+enum {
+ /* Commands */
+ OPT_configure = (1 << 0),
+ OPT_install = (1 << 1),
+ OPT_list_installed = (1 << 2),
+ OPT_purge = (1 << 3),
+ OPT_remove = (1 << 4),
+ OPT_unpack = (1 << 5),
+ OPTMASK_cmd = (1 << 6) - 1,
+ /* Options */
+ OPT_force = (1 << 6),
+ OPT_force_ignore_depends = (1 << 7),
+ OPT_force_confnew = (1 << 8),
+ OPT_force_confold = (1 << 9),
+};
+
static void unpack_package(deb_file_t *deb_file)
{
const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
char *list_filename;
archive_handle_t *archive_handle;
FILE *out_stream;
- llist_t *accept_list = NULL;
- int i = 0;
+ llist_t *accept_list;
+ llist_t *conffile_list;
+ int i;
/* If existing version, remove it first */
+ conffile_list = NULL;
if (strcmp(name_hashtable[get_status(status_num, 3)], "installed") == 0) {
/* Package is already installed, remove old version first */
printf("Preparing to replace %s %s (using %s)...\n", package_name,
name_hashtable[package_hashtable[status_package_num]->version],
deb_file->filename);
+
+ /* Read md5sums from old package */
+ if (!(option_mask32 & OPT_force_confold))
+ append_control_file_to_llist(package_name, "md5sums", &conffile_list);
+
remove_package(status_package_num, 0);
} else {
printf("Unpacking %s (from %s)...\n", package_name, deb_file->filename);
}
/* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */
- info_prefix = xasprintf("/var/lib/dpkg/info/%s.", package_name);
+ info_prefix = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "");
archive_handle = init_archive_deb_ar(deb_file->filename);
init_archive_deb_control(archive_handle);
- while (all_control_files[i]) {
+ accept_list = NULL;
+ i = 0;
+ while (i < ARRAY_SIZE(all_control_files)) {
char *c = xasprintf("./%s", all_control_files[i]);
llist_add_to(&accept_list, c);
i++;
}
- archive_handle->sub_archive->accept = accept_list;
- archive_handle->sub_archive->filter = filter_accept_list;
- archive_handle->sub_archive->action_data = data_extract_all_prefix;
- archive_handle->sub_archive->buffer = info_prefix;
- archive_handle->sub_archive->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
+ archive_handle->dpkg__sub_archive->accept = accept_list;
+ archive_handle->dpkg__sub_archive->filter = filter_accept_list;
+ archive_handle->dpkg__sub_archive->action_data = data_extract_all_prefix;
+ archive_handle->dpkg__sub_archive->dpkg__buffer = info_prefix;
+ archive_handle->dpkg__sub_archive->ah_flags |= ARCHIVE_UNLINK_OLD;
unpack_ar_archive(archive_handle);
/* Run the preinst prior to extracting */
- if (run_package_script(package_name, "preinst") != 0) {
- /* when preinst returns exit code != 0 then quit installation process */
- bb_error_msg_and_die("subprocess pre-installation script returned error");
- }
+ run_package_script_or_die(package_name, "preinst");
+
+ /* Don't overwrite existing config files */
+ if (!(option_mask32 & OPT_force_confnew))
+ append_control_file_to_llist(package_name, "conffiles", &conffile_list);
/* Extract data.tar.gz to the root directory */
archive_handle = init_archive_deb_ar(deb_file->filename);
init_archive_deb_data(archive_handle);
- archive_handle->sub_archive->action_data = data_extract_all_prefix;
- archive_handle->sub_archive->buffer = (char*)"/"; /* huh? */
- archive_handle->sub_archive->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
+ archive_handle->dpkg__sub_archive->accept = conffile_list;
+ /* Why ARCHIVE_REMEMBER_NAMES?
+ * We want names collected in ->passed list even if conffile_list
+ * is NULL (otherwise get_header_tar may optimize name saving out):
+ */
+ archive_handle->dpkg__sub_archive->ah_flags |= ARCHIVE_REMEMBER_NAMES | ARCHIVE_UNLINK_OLD;
+ archive_handle->dpkg__sub_archive->filter = filter_rename_config;
+ archive_handle->dpkg__sub_archive->action_data = data_extract_all_prefix;
+ archive_handle->dpkg__sub_archive->dpkg__buffer = (char*)"/"; /* huh? */
unpack_ar_archive(archive_handle);
/* Create the list file */
- list_filename = xasprintf("/var/lib/dpkg/info/%s.list", package_name);
- out_stream = xfopen(list_filename, "w");
- while (archive_handle->sub_archive->passed) {
+ list_filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "list");
+ out_stream = xfopen_for_write(list_filename);
+ archive_handle->dpkg__sub_archive->passed = llist_rev(archive_handle->dpkg__sub_archive->passed);
+ while (archive_handle->dpkg__sub_archive->passed) {
+ char *filename = llist_pop(&archive_handle->dpkg__sub_archive->passed);
/* the leading . has been stripped by data_extract_all_prefix already */
- fputs(archive_handle->sub_archive->passed->data, out_stream);
- fputc('\n', out_stream);
- archive_handle->sub_archive->passed = archive_handle->sub_archive->passed->link;
+ fprintf(out_stream, "%s\n", filename);
+ free(filename);
}
fclose(out_stream);
printf("Setting up %s (%s)...\n", package_name, package_version);
/* Run the postinst script */
- if (run_package_script(package_name, "postinst") != 0) {
- /* TODO: handle failure gracefully */
- bb_error_msg_and_die("postrm failure.. set status to what?");
- }
+ /* TODO: handle failure gracefully */
+ run_package_script_or_die(package_name, "postinst");
+
/* Change status to reflect success */
set_status(status_num, "install", 1);
set_status(status_num, "installed", 3);
}
-int dpkg_main(int argc, char **argv);
-int dpkg_main(int argc, char **argv)
+int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int dpkg_main(int argc UNUSED_PARAM, char **argv)
{
deb_file_t **deb_file = NULL;
status_node_t *status_node;
int state_status;
int status_num;
int i;
- enum {
- OPT_configure = 0x1,
- OPT_force_ignore_depends = 0x2,
- OPT_install = 0x4,
- OPT_list_installed = 0x8,
- OPT_purge = 0x10,
- OPT_remove = 0x20,
- OPT_unpack = 0x40,
- };
-
- opt = getopt32(argc, argv, "CF:ilPru", &str_f);
+#if ENABLE_LONG_OPTS
+ static const char dpkg_longopts[] ALIGN1 =
+// FIXME: we use -C non-compatibly, should be:
+// "-C|--audit Check for broken package(s)"
+ "configure\0" No_argument "C"
+ "force\0" Required_argument "F"
+ "install\0" No_argument "i"
+ "list\0" No_argument "l"
+ "purge\0" No_argument "P"
+ "remove\0" No_argument "r"
+ "unpack\0" No_argument "u"
+ "force-depends\0" No_argument "\xff"
+ "force-confnew\0" No_argument "\xfe"
+ "force-confold\0" No_argument "\xfd"
+ ;
+#endif
+
+ INIT_G();
+
+ IF_LONG_OPTS(applet_long_options = dpkg_longopts);
+ opt = getopt32(argv, "CilPruF:", &str_f);
+ argv += optind;
//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_force) { // -F (--force in official dpkg)
+ if (strcmp(str_f, "depends") == 0)
+ opt |= OPT_force_ignore_depends;
+ else if (strcmp(str_f, "confnew") == 0)
+ opt |= OPT_force_confnew;
+ else if (strcmp(str_f, "confold") == 0)
+ opt |= OPT_force_confold;
+ else
+ bb_show_usage();
+ option_mask32 = opt;
}
//if (opt & OPT_install) ... // -i
//if (opt & OPT_list_installed) ... // -l
//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 */
- if (!opt || (!argc && !(opt && OPT_list_installed)))
+ if (!(opt & OPTMASK_cmd) /* no cmd */
+ || ((opt & OPTMASK_cmd) & ((opt & OPTMASK_cmd)-1)) /* more than one cmd */
+ ) {
bb_show_usage();
-
- name_hashtable = xzalloc(sizeof(name_hashtable[0]) * (NAME_HASH_PRIME + 1));
- package_hashtable = xzalloc(sizeof(package_hashtable[0]) * (PACKAGE_HASH_PRIME + 1));
- status_hashtable = xzalloc(sizeof(status_hashtable[0]) * (STATUS_HASH_PRIME + 1));
+ }
/* puts("(Reading database ... xxxxx files and directories installed.)"); */
index_status_file("/var/lib/dpkg/status");
/* if the list action was given print the installed packages and exit */
if (opt & OPT_list_installed) {
- list_packages();
+ list_packages(argv[0]); /* param can be NULL */
return EXIT_SUCCESS;
}
/* 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[0]) * (deb_count + 2));
+ deb_file = xrealloc_vector(deb_file, 2, deb_count);
deb_file[deb_count] = xzalloc(sizeof(deb_file[0][0]));
if (opt & (OPT_install | OPT_unpack)) {
/* -i/-u: require filename */
init_archive_deb_control(archive_handle);
deb_file[deb_count]->control_file = deb_extract_control_file_to_buffer(archive_handle, control_list);
if (deb_file[deb_count]->control_file == NULL) {
- bb_error_msg_and_die("cannot extract control file");
+ bb_error_msg_and_die("can't extract control file");
}
deb_file[deb_count]->filename = xstrdup(argv[0]);
package_num = fill_package_struct(deb_file[deb_count]->control_file);
/* Check that the deb file arguments are installable */
if (!(opt & OPT_force_ignore_depends)) {
- if (!check_deps(deb_file, 0, deb_count)) {
+ if (!check_deps(deb_file, 0 /*, deb_count*/)) {
bb_error_msg_and_die("dependency check failed");
}
}
}
for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
- if (package_hashtable[i] != NULL) {
- free_package(package_hashtable[i]);
- }
+ free_package(package_hashtable[i]);
}
for (i = 0; i < STATUS_HASH_PRIME; i++) {
projects / platform / upstream / busybox.git / blobdiff