+/* vi: set sw=4 ts=4: */
/*
- * Mini dpkg implementation for busybox.
- * This is not meant as a replacemnt for dpkg
+ * mini dpkg implementation for busybox.
+ * this is not meant as a replacement for dpkg
*
- * Written By Glenn McGrath with the help of others
- * Copyright (C) 2001 by Glenn McGrath
- *
- * Started life as a busybox implementation of udpkg
+ * written by glenn mcgrath with the help of others
+ * copyright (c) 2001 by glenn mcgrath
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * started life as a busybox implementation of udpkg
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * licensed under gplv2 or later, see file license in this tarball for details.
*/
/*
- * Known difference between busybox dpkg and the official dpkg that i dont
+ * 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
* make it easier to maintain.
- * - The first value for the Confflile: field isnt placed on a new line.
- * - The <package>.control file is extracted and kept in the info dir.
- * - When installing a package the Status: field is placed at the end of the
- * section, rather than just after the Package: field.
- * - Packages with previously unknown status are inserted at the begining of
- * the status file
+ * - the first value for the confflile: field isnt placed on a new line.
+ * - when installing a package the status: field is placed at the end of the
+ * section, rather than just after the package: field.
*
- * Bugs that need to be fixed
+ * bugs that need to be fixed
* - (unknown, please let me know when you find any)
*
*/
-#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "busybox.h"
+#include "libbb.h"
+#include "unarchive.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.
- * 2) For computational efficiency these hash tables should be at least 20%
+/* note: if you vary hash_prime sizes be aware,
+ * 1) tweaking these will have a big effect on how much memory this program uses.
+ * 2) for computational efficiency these hash tables should be at least 20%
* larger than the maximum number of elements stored in it.
- * 3) All _HASH_PRIME's must be a prime number or chaos is assured, if your looking
+ * 3) all _hash_prime's must be a prime number or chaos is assured, if your looking
* for a prime, try http://www.utm.edu/research/primes/lists/small/10000.txt
- * 4) If you go bigger than 15 bits you may get into trouble (untested) as its
- * sometimes cast to an unsigned int, if you go to 16 bit you will overlap
+ * 4) if you go bigger than 15 bits you may get into trouble (untested) as its
+ * sometimes cast to an unsigned, if you go to 16 bit you will overlap
* int's and chaos is assured, 16381 is the max prime for 14 bit field
*/
-/* NAME_HASH_PRIME, Stores package names and versions,
+/* NAME_HASH_PRIME, Stores package names and versions,
* I estimate it should be at least 50% bigger than PACKAGE_HASH_PRIME,
* as there a lot of duplicate version numbers */
#define NAME_HASH_PRIME 16381
-char *name_hashtable[NAME_HASH_PRIME + 1];
/* PACKAGE_HASH_PRIME, Maximum number of unique packages,
* It must not be smaller than STATUS_HASH_PRIME,
* and available file */
#define PACKAGE_HASH_PRIME 10007
typedef struct edge_s {
- unsigned int operator:3;
- unsigned int type:4;
- unsigned int name:14;
- unsigned int version:14;
+ unsigned operator:4; /* was:3 */
+ unsigned type:4;
+ unsigned name:16; /* was:14 */
+ unsigned version:16; /* was:14 */
} edge_t;
typedef struct common_node_s {
- unsigned int name:14;
- unsigned int version:14;
- unsigned int 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;
-common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1];
/* Currently it doesnt store packages that have state-status of not-installed
* So it only really has to be the size of the maximum number of packages
- * likely to be installed at any one time, so there is a bit of leaway here */
+ * 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 int package:14; /* has to fit PACKAGE_HASH_PRIME */
- unsigned int 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;
-status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
-/* Even numbers are for 'extras', like ored dependecies or null */
+/* 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] */
+
+/* Even numbers are for 'extras', like ored dependencies or null */
enum edge_type_e {
EDGE_NULL = 0,
EDGE_PRE_DEPENDS = 1,
VER_ANY = 6
};
-enum dpkg_opt_e {
- dpkg_opt_purge = 1,
- dpkg_opt_remove = 2,
- dpkg_opt_unpack = 4,
- dpkg_opt_configure = 8,
- dpkg_opt_install = 16,
- dpkg_opt_package_name = 32,
- dpkg_opt_filename = 64,
- dpkg_opt_list_installed = 128,
- dpkg_opt_force_ignore_depends = 256
-};
-
typedef struct deb_file_s {
char *control_file;
char *filename;
- unsigned int package:14;
+ unsigned package:16; /* was:14 */
} deb_file_t;
-void make_hash(const char *key, unsigned int *start, unsigned int *decrement, const int hash_prime)
+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;
/* Maybe i should have uses a "proper" hashing algorithm here instead
* of making one up myself, seems to be working ok though. */
- for(i = 1; i < len; i++) {
+ for (i = 1; i < len; 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, dont want to shift data to where it has
+ * 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));
+ hash_num += ((key[i] + key[i-1]) << ((key[i] * i) % 24));
}
- *start = (unsigned int) hash_num % hash_prime;
- *decrement = (unsigned int) 1 + (hash_num % (hash_prime - 1));
+ *start = (unsigned) hash_num % hash_prime;
+ *decrement = (unsigned) 1 + (hash_num % (hash_prime - 1));
}
/* this adds the key to the hash table */
-int search_name_hashtable(const char *key)
+static int search_name_hashtable(const char *key)
{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
-// char *temp;
+ unsigned probe_address = 0;
+ unsigned probe_decrement = 0;
make_hash(key, &probe_address, &probe_decrement, NAME_HASH_PRIME);
- while(name_hashtable[probe_address] != NULL) {
+ while (name_hashtable[probe_address] != NULL) {
if (strcmp(name_hashtable[probe_address], key) == 0) {
- return(probe_address);
- } else {
- probe_address -= probe_decrement;
- if ((int)probe_address < 0) {
- probe_address += NAME_HASH_PRIME;
- }
+ return probe_address;
+ }
+ probe_address -= probe_decrement;
+ if ((int)probe_address < 0) {
+ probe_address += NAME_HASH_PRIME;
}
}
name_hashtable[probe_address] = xstrdup(key);
- return(probe_address);
+ return probe_address;
}
/* this DOESNT add the key to the hashtable
* TODO make it consistent with search_name_hashtable
*/
-unsigned int search_status_hashtable(const char *key)
+static unsigned search_status_hashtable(const char *key)
{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
+ unsigned probe_address = 0;
+ unsigned probe_decrement = 0;
make_hash(key, &probe_address, &probe_decrement, STATUS_HASH_PRIME);
- while(status_hashtable[probe_address] != NULL) {
+ while (status_hashtable[probe_address] != NULL) {
if (strcmp(key, name_hashtable[package_hashtable[status_hashtable[probe_address]->package]->name]) == 0) {
break;
- } else {
- probe_address -= probe_decrement;
- if ((int)probe_address < 0) {
- probe_address += STATUS_HASH_PRIME;
- }
+ }
+ probe_address -= probe_decrement;
+ if ((int)probe_address < 0) {
+ probe_address += STATUS_HASH_PRIME;
}
}
- return(probe_address);
+ return probe_address;
}
/* Need to rethink version comparison, maybe the official dpkg has something i can use ? */
-int version_compare_part(const char *version1, const char *version2)
+static int version_compare_part(const char *version1, const char *version2)
{
int upstream_len1 = 0;
int upstream_len2 = 0;
int tmp_int;
int ver_num1;
int ver_num2;
- int ret;
if (version1 == NULL) {
version1 = xstrdup("");
free(name1_char);
free(name2_char);
if (tmp_int != 0) {
- ret = tmp_int;
- goto cleanup_version_compare_part;
+ return tmp_int;
}
/* Compare digits */
free(name1_char);
free(name2_char);
if (ver_num1 < ver_num2) {
- ret = -1;
- goto cleanup_version_compare_part;
+ return -1;
}
- else if (ver_num1 > ver_num2) {
- ret = 1;
- goto cleanup_version_compare_part;
+ if (ver_num1 > ver_num2) {
+ return 1;
}
}
- ret = 0;
-cleanup_version_compare_part:
- return(ret);
+ return 0;
}
/* if ver1 < ver2 return -1,
* if ver1 = ver2 return 0,
* if ver1 > ver2 return 1,
*/
-int version_compare(const unsigned int ver1, const unsigned int ver2)
+static int version_compare(const unsigned ver1, const unsigned ver2)
{
char *ch_ver1 = name_hashtable[ver1];
char *ch_ver2 = name_hashtable[ver2];
ver2_ptr = ch_ver2;
}
if (epoch1 < epoch2) {
- return(-1);
+ return -1;
}
else if (epoch1 > epoch2) {
- return(1);
+ return 1;
}
/* Compare upstream version */
deb_ver2++;
}
result = version_compare_part(upstream_ver1, upstream_ver2);
+ if (!result)
+ /* Compare debian versions */
+ result = version_compare_part(deb_ver1, deb_ver2);
free(upstream_ver1);
free(upstream_ver2);
-
- if (result != 0) {
- return(result);
- }
-
- /* Compare debian versions */
- return(version_compare_part(deb_ver1, deb_ver2));
+ return result;
}
-int test_version(const unsigned int version1, const unsigned int version2, const unsigned int operator)
+static int test_version(const unsigned version1, const unsigned version2, const unsigned operator)
{
const int version_result = version_compare(version1, version2);
- switch(operator) {
- case (VER_ANY):
- return(TRUE);
- case (VER_EQUAL):
- if (version_result == 0) {
- return(TRUE);
- }
- break;
- case (VER_LESS):
- if (version_result < 0) {
- return(TRUE);
- }
- break;
- case (VER_LESS_EQUAL):
- if (version_result <= 0) {
- return(TRUE);
- }
- break;
- case (VER_MORE):
- if (version_result > 0) {
- return(TRUE);
- }
- break;
- case (VER_MORE_EQUAL):
- if (version_result >= 0) {
- return(TRUE);
- }
- break;
+ switch (operator) {
+ case VER_ANY:
+ return TRUE;
+ case VER_EQUAL:
+ return (version_result == 0);
+ case VER_LESS:
+ return (version_result < 0);
+ case VER_LESS_EQUAL:
+ return (version_result <= 0);
+ case VER_MORE:
+ return (version_result > 0);
+ case VER_MORE_EQUAL:
+ return (version_result >= 0);
}
- return(FALSE);
+ return FALSE;
}
-int search_package_hashtable(const unsigned int name, const unsigned int version, const unsigned int operator)
+static int search_package_hashtable(const unsigned name, const unsigned version, const unsigned operator)
{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
+ unsigned probe_address = 0;
+ unsigned probe_decrement = 0;
make_hash(name_hashtable[name], &probe_address, &probe_decrement, PACKAGE_HASH_PRIME);
- while(package_hashtable[probe_address] != NULL) {
+ while (package_hashtable[probe_address] != NULL) {
if (package_hashtable[probe_address]->name == name) {
if (operator == VER_ANY) {
- return(probe_address);
+ return probe_address;
}
if (test_version(package_hashtable[probe_address]->version, version, operator)) {
- return(probe_address);
+ return probe_address;
}
}
probe_address -= probe_decrement;
probe_address += PACKAGE_HASH_PRIME;
}
}
- return(probe_address);
+ return probe_address;
+}
+
+/*
+ * This function searches through the entire package_hashtable looking
+ * for a package which provides "needle". It returns the index into
+ * the package_hashtable for the providing package.
+ *
+ * needle is the index into name_hashtable of the package we are
+ * looking for.
+ *
+ * start_at is the index in the package_hashtable to start looking
+ * at. If start_at is -1 then start at the beginning. This is to allow
+ * for repeated searches since more than one package might provide
+ * needle.
+ *
+ * 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)
+{
+ int i, j;
+ common_node_t *p;
+ for (i = start_at + 1; i < PACKAGE_HASH_PRIME; i++) {
+ p = package_hashtable[i];
+ if (p == NULL)
+ continue;
+ for (j = 0; j < p->num_of_edges; j++)
+ if (p->edge[j]->type == EDGE_PROVIDES && p->edge[j]->name == needle)
+ return i;
+ }
+ return -1;
+}
+
+/*
+ * Add an edge to a node
+ */
+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;
}
/*
* Create one new node and one new edge for every dependency.
+ *
+ * Dependencies which contain multiple alternatives are represented as
+ * an EDGE_OR_PRE_DEPENDS or EDGE_OR_DEPENDS node, followed by a
+ * number of EDGE_PRE_DEPENDS or EDGE_DEPENDS nodes. The name field of
+ * the OR edge contains the full dependency string while the version
+ * field contains the number of EDGE nodes which follow as part of
+ * this alternative.
*/
-void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned int edge_type)
+static void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned edge_type)
{
char *line = xstrdup(whole_line);
char *line2;
char *field2;
char *version;
edge_t *edge;
+ edge_t *or_edge;
int offset_ch;
- int type;
field = strtok_r(line, ",", &line_ptr1);
do {
+ /* skip leading spaces */
+ field += strspn(field, " ");
line2 = xstrdup(field);
field2 = strtok_r(line2, "|", &line_ptr2);
- if ((edge_type == EDGE_DEPENDS) && (strcmp(field, field2) != 0)) {
- type = EDGE_OR_DEPENDS;
- }
- else if ((edge_type == EDGE_PRE_DEPENDS) && (strcmp(field, field2) != 0)) {
- type = EDGE_OR_PRE_DEPENDS;
- } else {
- type = edge_type;
+ or_edge = NULL;
+ if ((edge_type == EDGE_DEPENDS || edge_type == EDGE_PRE_DEPENDS)
+ && (strcmp(field, field2) != 0)
+ ) {
+ or_edge = xmalloc(sizeof(edge_t));
+ or_edge->type = edge_type + 1;
+ or_edge->name = search_name_hashtable(field);
+ or_edge->version = 0; // tracks the number of alternatives
+ add_edge_to_node(parent_node, or_edge);
}
do {
- edge = (edge_t *) xmalloc(sizeof(edge_t));
- edge->type = type;
+ edge = xmalloc(sizeof(edge_t));
+ edge->type = edge_type;
/* Skip any extra leading spaces */
field2 += strspn(field2, " ");
edge->version = search_name_hashtable("ANY");
} else {
/* Skip leading ' ' or '(' */
- version += strspn(field2, " ");
- version += strspn(version, "(");
- /* Calculate length of any operator charactors */
+ version += strspn(version, " (");
+ /* Calculate length of any operator characters */
offset_ch = strspn(version, "<=>");
/* Determine operator */
if (offset_ch > 0) {
else if (strncmp(version, ">=", offset_ch) == 0) {
edge->operator = VER_MORE_EQUAL;
} else {
- error_msg_and_die("Illegal operator\n");
+ bb_error_msg_and_die("illegal operator");
}
}
/* skip to start of version numbers */
/* Get the dependency name */
field2[strcspn(field2, " (")] = '\0';
edge->name = search_name_hashtable(field2);
-
- /* link the new edge to the current node */
- parent_node->num_of_edges++;
- parent_node->edge = xrealloc(parent_node->edge, sizeof(edge_t) * (parent_node->num_of_edges + 1));
- parent_node->edge[parent_node->num_of_edges - 1] = edge;
- } while ((field2 = strtok_r(NULL, "|", &line_ptr2)) != NULL);
+
+ if (or_edge)
+ or_edge->version++;
+
+ add_edge_to_node(parent_node, edge);
+ field2 = strtok_r(NULL, "|", &line_ptr2);
+ } while (field2 != NULL);
+
free(line2);
- } while ((field = strtok_r(NULL, ",", &line_ptr1)) != NULL);
- free(line);
+ field = strtok_r(NULL, ",", &line_ptr1);
+ } while (field != NULL);
- return;
+ free(line);
}
-void free_package(common_node_t *node)
+static void free_package(common_node_t *node)
{
- int i;
- if (node != NULL) {
+ unsigned i;
+ if (node) {
for (i = 0; i < node->num_of_edges; i++) {
- if (node->edge[i] != NULL) {
- free(node->edge[i]);
- }
+ free(node->edge[i]);
}
- if (node->edge != NULL) {
- free(node->edge);
+ free(node->edge);
+ free(node);
+ }
+}
+
+/*
+ * Gets the next package field from package_buffer, seperated 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)
+{
+ int offset_name_start = 0;
+ int offset_name_end = 0;
+ int offset_value_start = 0;
+ int offset_value_end = 0;
+ int offset = 0;
+ int next_offset;
+ int name_length;
+ int value_length;
+ int exit_flag = FALSE;
+
+ if (package_buffer == NULL) {
+ *field_name = NULL;
+ *field_value = NULL;
+ return -1;
+ }
+ while (1) {
+ next_offset = offset + 1;
+ switch (package_buffer[offset]) {
+ case '\0':
+ exit_flag = TRUE;
+ break;
+ case ':':
+ if (offset_name_end == 0) {
+ offset_name_end = offset;
+ offset_value_start = next_offset;
+ }
+ /* TODO: Name might still have trailing spaces if ':' isnt
+ * immediately after name */
+ break;
+ case '\n':
+ /* TODO: The char next_offset may be out of bounds */
+ if (package_buffer[next_offset] != ' ') {
+ exit_flag = TRUE;
+ break;
+ }
+ case '\t':
+ case ' ':
+ /* increment the value start point if its a just filler */
+ if (offset_name_start == offset) {
+ offset_name_start++;
+ }
+ if (offset_value_start == offset) {
+ offset_value_start++;
+ }
+ break;
}
- if (node != NULL) {
- free(node);
+ if (exit_flag) {
+ /* Check that the names are valid */
+ offset_value_end = offset;
+ name_length = offset_name_end - offset_name_start;
+ value_length = offset_value_end - offset_value_start;
+ if (name_length == 0) {
+ break;
+ }
+ if ((name_length > 0) && (value_length > 0)) {
+ break;
+ }
+
+ /* If not valid, start fresh with next field */
+ exit_flag = FALSE;
+ offset_name_start = offset + 1;
+ offset_name_end = 0;
+ offset_value_start = offset + 1;
+ offset_value_end = offset + 1;
+ offset++;
}
+ offset++;
}
+ *field_name = NULL;
+ if (name_length) {
+ *field_name = xstrndup(&package_buffer[offset_name_start], name_length);
+ }
+ *field_value = NULL;
+ if (value_length > 0) {
+ *field_value = xstrndup(&package_buffer[offset_value_start], value_length);
+ }
+ return next_offset;
}
-unsigned int fill_package_struct(char *control_buffer)
+static unsigned fill_package_struct(char *control_buffer)
{
- common_node_t *new_node = (common_node_t *) xcalloc(1, sizeof(common_node_t));
+ 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;
char *field_value;
int field_start = 0;
new_node->version = search_name_hashtable("unknown");
while (field_start < buffer_length) {
+ unsigned field_num;
+
field_start += read_package_field(&control_buffer[field_start],
&field_name, &field_value);
if (field_name == NULL) {
- goto fill_package_struct_cleanup; // Oh no, the dreaded goto statement !!
+ goto fill_package_struct_cleanup;
}
- if (strcmp(field_name, "Package") == 0) {
+ field_num = index_in_strings(field_names, field_name);
+ switch (field_num) {
+ case 0: /* Package */
new_node->name = search_name_hashtable(field_value);
- }
- else if (strcmp(field_name, "Version") == 0) {
+ break;
+ case 1: /* Version */
new_node->version = search_name_hashtable(field_value);
- }
- else if (strcmp(field_name, "Pre-Depends") == 0) {
+ break;
+ case 2: /* Pre-Depends */
add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
- }
- else if (strcmp(field_name, "Depends") == 0) {
+ break;
+ case 3: /* Depends */
add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
- }
- else if (strcmp(field_name, "Replaces") == 0) {
+ break;
+ case 4: /* Replaces */
add_split_dependencies(new_node, field_value, EDGE_REPLACES);
- }
- else if (strcmp(field_name, "Provides") == 0) {
+ break;
+ case 5: /* Provides */
add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
- }
- else if (strcmp(field_name, "Conflicts") == 0) {
+ break;
+ case 6: /* Conflicts */
add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
- }
- else if (strcmp(field_name, "Suggests") == 0) {
+ break;
+ case 7: /* Suggests */
add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
- }
- else if (strcmp(field_name, "Recommends") == 0) {
+ break;
+ case 8: /* Recommends */
add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
- }
- else if (strcmp(field_name, "Enhances") == 0) {
+ break;
+ case 9: /* Enhances */
add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
+ break;
}
-fill_package_struct_cleanup:
- if (field_name) {
- free(field_name);
- }
- if (field_value) {
- free(field_value);
- }
+ fill_package_struct_cleanup:
+ free(field_name);
+ free(field_value);
}
if (new_node->version == search_name_hashtable("unknown")) {
free_package(new_node);
- return(-1);
+ 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);
- }
- return(num);
+ free_package(package_hashtable[num]);
+ package_hashtable[num] = new_node;
+ return num;
}
/* if num = 1, it returns the want status, 2 returns flag, 3 returns status */
-unsigned int get_status(const unsigned int status_node, const int num)
+static unsigned get_status(const unsigned status_node, const int num)
{
char *status_string = name_hashtable[status_hashtable[status_node]->status];
char *state_sub_string;
- unsigned int state_sub_num;
+ unsigned state_sub_num;
int len;
int i;
for (i = 1; i < num; i++) {
/* skip past a word */
status_string += strcspn(status_string, " ");
- /* skip past the seperating spaces */
+ /* skip past the separating spaces */
status_string += strspn(status_string, " ");
}
- len = strcspn(status_string, " \n\0");
+ len = strcspn(status_string, " \n");
state_sub_string = xstrndup(status_string, len);
state_sub_num = search_name_hashtable(state_sub_string);
free(state_sub_string);
- return(state_sub_num);
+ return state_sub_num;
}
-void set_status(const unsigned int status_node_num, const char *new_value, const int position)
+static void set_status(const unsigned status_node_num, const char *new_value, const int position)
{
- const unsigned int new_value_len = strlen(new_value);
- const unsigned int new_value_num = search_name_hashtable(new_value);
- unsigned int want = get_status(status_node_num, 1);
- unsigned int flag = get_status(status_node_num, 2);
- unsigned int status = get_status(status_node_num, 3);
+ 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):
+ case 1:
want = new_value_num;
want_len = new_value_len;
break;
- case (2):
+ case 2:
flag = new_value_num;
flag_len = new_value_len;
break;
- case (3):
+ case 3:
status = new_value_num;
status_len = new_value_len;
break;
default:
- error_msg_and_die("DEBUG ONLY: this shouldnt happen");
+ bb_error_msg_and_die("DEBUG ONLY: this shouldnt happen");
}
- new_status = (char *) xmalloc(want_len + flag_len + status_len + 3);
- sprintf(new_status, "%s %s %s", name_hashtable[want], name_hashtable[flag], name_hashtable[status]);
+ new_status = xasprintf("%s %s %s", name_hashtable[want], name_hashtable[flag], name_hashtable[status]);
status_hashtable[status_node_num]->status = search_name_hashtable(new_status);
free(new_status);
- return;
}
-void index_status_file(const char *filename)
+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";
+
+ status_want = get_status(status_num, 1);
+ status_state = get_status(status_num, 3);
+
+ if (status_state == search_name_hashtable("installed")) {
+ if (status_want == search_name_hashtable("install"))
+ return "is installed";
+ if (status_want == search_name_hashtable("deinstall"))
+ return "is marked to be removed";
+ if (status_want == search_name_hashtable("purge"))
+ return "is marked to be purged";
+ }
+ 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;
char *control_buffer;
char *status_line;
status_node_t *status_node = NULL;
- unsigned int status_num;
+ unsigned status_num;
status_file = xfopen(filename, "r");
- while ((control_buffer = fgets_str(status_file, "\n\n")) != NULL) {
- const unsigned int package_num = fill_package_struct(control_buffer);
+ 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));
/* fill_package_struct doesnt handle the status field */
if (status_line != NULL) {
status_line += 7;
status_line += strspn(status_line, " \n\t");
- status_line = xstrndup(status_line, strcspn(status_line, "\n\0"));
+ status_line = xstrndup(status_line, strcspn(status_line, "\n"));
status_node->status = search_name_hashtable(status_line);
free(status_line);
}
free(control_buffer);
}
fclose(status_file);
- return;
-}
-
-
-char *get_depends_field(common_node_t *package, const int depends_type)
-{
- char *depends = NULL;
- char *old_sep = (char *)xcalloc(1, 3);
- char *new_sep = (char *)xcalloc(1, 3);
- int line_size = 0;
- int depends_size;
-
- int i;
-
- for (i = 0; i < package->num_of_edges; i++) {
- if ((package->edge[i]->type == EDGE_OR_PRE_DEPENDS) ||
- (package->edge[i]->type == EDGE_OR_DEPENDS)) {
- }
-
- if ((package->edge[i]->type == depends_type) ||
- (package->edge[i]->type == depends_type + 1)) {
- /* Check if its the first time through */
-
- depends_size = 8 + strlen(name_hashtable[package->edge[i]->name])
- + strlen(name_hashtable[package->edge[i]->version]);
- line_size += depends_size;
- depends = (char *) xrealloc(depends, line_size + 1);
-
- /* Check to see if this dependency is the type we are looking for
- * +1 to check for 'extra' types, e.g. ored dependecies */
- strcpy(old_sep, new_sep);
- if (package->edge[i]->type == depends_type) {
- strcpy(new_sep, ", ");
- }
- else if (package->edge[i]->type == depends_type + 1) {
- strcpy(new_sep, "| ");
- }
-
- if (depends_size == line_size) {
- strcpy(depends, "");
- } else {
- if ((strcmp(old_sep, "| ") == 0) && (strcmp(new_sep, "| ") == 0)) {
- strcat(depends, " | ");
- } else {
- strcat(depends, ", ");
- }
- }
-
- strcat(depends, name_hashtable[package->edge[i]->name]);
- if (strcmp(name_hashtable[package->edge[i]->version], "NULL") != 0) {
- if (package->edge[i]->operator == VER_EQUAL) {
- strcat(depends, " (= ");
- }
- else if (package->edge[i]->operator == VER_LESS) {
- strcat(depends, " (<< ");
- }
- else if (package->edge[i]->operator == VER_LESS_EQUAL) {
- strcat(depends, " (<= ");
- }
- else if (package->edge[i]->operator == VER_MORE) {
- strcat(depends, " (>> ");
- }
- else if (package->edge[i]->operator == VER_MORE_EQUAL) {
- strcat(depends, " (>= ");
- } else {
- strcat(depends, " (");
- }
- strcat(depends, name_hashtable[package->edge[i]->version]);
- strcat(depends, ")");
- }
- }
- }
- return(depends);
}
-void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
+static void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
{
char *name;
char *value;
fprintf(new_status_file, "%s: %s\n", name, value);
}
}
- return;
}
/* This could do with a cleanup */
-void write_status_file(deb_file_t **deb_file)
+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");
int i = 0;
/* Update previously known packages */
- while ((control_buffer = 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;
}
tmp_string += 8;
- tmp_string += strspn(tmp_string, " \n\t");
- package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n\0"));
+ tmp_string += strspn(tmp_string, " \n\t");
+ package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n"));
write_flag = FALSE;
tmp_string = strstr(control_buffer, "Status:");
if (tmp_string != NULL) {
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) {
+ while (deb_file[i] != NULL) {
if (strcmp(package_name, name_hashtable[package_hashtable[deb_file[i]->package]->name]) == 0) {
/* Write a status file entry with a modified status */
/* remove trailing \n's */
write_buffer_no_status(new_status_file, deb_file[i]->control_file);
set_status(status_num, "ok", 2);
- fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]);
+ fprintf(new_status_file, "Status: %s\n\n",
+ name_hashtable[status_hashtable[status_num]->status]);
write_flag = TRUE;
break;
}
}
/* This is temperary, debugging only */
if (deb_file[i] == NULL) {
- error_msg_and_die("ALERT: Couldnt find a control file, your status file may be broken, status may be incorrect for %s", package_name);
+ bb_error_msg_and_die("ALERT: cannot find a control file, "
+ "your status file may be broken, status may be "
+ "incorrect for %s", package_name);
}
}
else if (strcmp("not-installed", name_hashtable[state_status]) == 0) {
}
}
/* If the package from the status file wasnt handle above, do it now*/
- if (write_flag == FALSE) {
+ if (!write_flag) {
fprintf(new_status_file, "%s\n\n", control_buffer);
}
- if (status_from_file != NULL) {
- free(status_from_file);
- }
+ free(status_from_file);
free(package_name);
free(control_buffer);
}
/* Write any new packages */
- for(i = 0; deb_file[i] != NULL; i++) {
+ for (i = 0; deb_file[i] != NULL; i++) {
status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[i]->package]->name]);
if (strcmp("reinstreq", name_hashtable[get_status(status_num, 2)]) == 0) {
write_buffer_no_status(new_status_file, deb_file[i]->control_file);
fclose(old_status_file);
fclose(new_status_file);
-
- /* Create a seperate backfile to dpkg */
+ /* Create a separate backfile to dpkg */
if (rename("/var/lib/dpkg/status", "/var/lib/dpkg/status.udeb.bak") == -1) {
- struct stat stat_buf;
- if (stat("/var/lib/dpkg/status", &stat_buf) == 0) {
- error_msg_and_die("Couldnt create backup status file");
- }
- /* Its ok if renaming the status file fails becasue status
+ if (errno != ENOENT)
+ bb_error_msg_and_die("cannot create backup status file");
+ /* Its ok if renaming the status file fails because status
* file doesnt exist, maybe we are starting from scratch */
- error_msg("No status file found, creating new one");
+ bb_error_msg("no status file found, creating new one");
}
- if (rename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status") == -1) {
- error_msg_and_die("DANGER: Couldnt 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
+ * dependency of type depend_type.
+ *
+ * A pre-depends is satisfied only if a package is already installed,
+ * which a regular depends can be satisfied by a package which we want
+ * to install.
+ */
+static int package_satisfies_dependency(int package, int depend_type)
+{
+ int status_num = search_status_hashtable(name_hashtable[package_hashtable[package]->name]);
+
+ /* status could be unknown if package is a pure virtual
+ * provides which cannot satisfy any dependency by itself.
+ */
+ if (status_hashtable[status_num] == NULL)
+ 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");
}
+ return 0;
}
-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;
- int state_status;
- int state_flag;
- int state_want;
- unsigned int status_package_num;
int i = deb_start;
- int j, k;
+ int j;
/* Check for conflicts
* TODO: TEST if conflicts with other packages to be installed
/* Create array of package numbers to check against
* installed package for conflicts*/
while (deb_file[i] != NULL) {
- const unsigned int package_num = deb_file[i]->package;
+ const unsigned package_num = deb_file[i]->package;
conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
conflicts[conflicts_num] = package_num;
conflicts_num++;
package_hashtable[package_num]->edge[j]->operator);
if (package_hashtable[conflicts_package_num] == NULL) {
/* create a new package */
- common_node_t *new_node = (common_node_t *) xmalloc(sizeof(common_node_t));
+ common_node_t *new_node = xzalloc(sizeof(common_node_t));
new_node->name = package_hashtable[package_num]->edge[j]->name;
new_node->version = package_hashtable[package_num]->edge[j]->version;
- new_node->num_of_edges = 0;
- new_node->edge = NULL;
package_hashtable[conflicts_package_num] = new_node;
}
conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
}
/* Check conflicts */
- for (i = 0; i < conflicts_num; i++) {
- /* Check for conflicts */
- for (j = 0; j < STATUS_HASH_PRIME; j++) {
- if (status_hashtable[j] == NULL) {
- continue;
- }
- state_flag = get_status(j, 2);
- state_status = get_status(j, 3);
- if ((state_status != search_name_hashtable("installed"))
- && (state_flag != search_name_hashtable("want-install"))) {
- continue;
- }
- status_package_num = status_hashtable[j]->package;
- for (k = 0; k < package_hashtable[status_package_num]->num_of_edges; k++) {
- const edge_t *package_edge = package_hashtable[status_package_num]->edge[k];
- if (package_edge->type != EDGE_CONFLICTS) {
- continue;
- }
- if (package_edge->name != package_hashtable[conflicts[i]]->name) {
- continue;
+ i = 0;
+ while (deb_file[i] != NULL) {
+ const common_node_t *package_node = package_hashtable[deb_file[i]->package];
+ int status_num = 0;
+ status_num = search_status_hashtable(name_hashtable[package_node->name]);
+
+ if (get_status(status_num, 3) == search_name_hashtable("installed")) {
+ i++;
+ continue;
+ }
+
+ for (j = 0; j < package_node->num_of_edges; j++) {
+ const edge_t *package_edge = package_node->edge[j];
+
+ if (package_edge->type == EDGE_CONFLICTS) {
+ const unsigned package_num =
+ search_package_hashtable(package_edge->name,
+ 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]);
+
+ if (get_status(status_num, 1) == search_name_hashtable("install")) {
+ result = test_version(package_hashtable[deb_file[i]->package]->version,
+ package_edge->version, package_edge->operator);
+ }
}
- /* There is a conflict against the package name
- * check if version conflict as well */
- if (test_version(package_hashtable[deb_file[i]->package]->version,
- package_edge->version, package_edge->operator)) {
- error_msg_and_die("Package %s conflict with %s",
- name_hashtable[package_hashtable[deb_file[i]->package]->name],
- name_hashtable[package_hashtable[status_package_num]->name]);
+
+ if (result) {
+ bb_error_msg_and_die("package %s conflicts with %s",
+ name_hashtable[package_node->name],
+ name_hashtable[package_edge->name]);
}
}
}
+ i++;
}
+
/* Check dependendcies */
- i = 0;
- while (deb_file[i] != NULL) {
- const common_node_t *package_node = package_hashtable[deb_file[i]->package];
+ for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
int status_num = 0;
+ int number_of_alternatives = 0;
+ const edge_t * root_of_alternatives = NULL;
+ const common_node_t *package_node = package_hashtable[i];
+
+ /* If the package node does not exist then this
+ * package is a virtual one. In which case there are
+ * no dependencies to check.
+ */
+ if (package_node == NULL) continue;
+
+ status_num = search_status_hashtable(name_hashtable[package_node->name]);
+
+ /* If there is no status then this package is a
+ * virtual one provided by something else. In which
+ * case there are no dependencies to check.
+ */
+ if (status_hashtable[status_num] == NULL) continue;
+
+ /* If we don't want this package installed then we may
+ * as well ignore it's dependencies.
+ */
+ if (get_status(status_num, 1) != search_name_hashtable("install")) {
+ continue;
+ }
- for (j = 0; j < package_hashtable[deb_file[i]->package]->num_of_edges; j++) {
+ /* This code is tested only for EDGE_DEPENDS, since I
+ * have no suitable pre-depends available. There is no
+ * reason that it shouldn't work though :-)
+ */
+ for (j = 0; j < package_node->num_of_edges; j++) {
const edge_t *package_edge = package_node->edge[j];
- const unsigned int package_num = search_package_hashtable(package_edge->name,
- package_edge->version, package_edge->operator);
+ unsigned package_num;
- status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]);
- state_status = get_status(status_num, 3);
- state_want = get_status(status_num, 1);
- switch (package_edge->type) {
- case(EDGE_PRE_DEPENDS):
- case(EDGE_OR_PRE_DEPENDS):
- /* It must be already installed */
- /* NOTE: This is untested, nothing apropriate in my status file */
- if ((package_hashtable[package_num] == NULL) || (state_status != search_name_hashtable("installed"))) {
- error_msg_and_die("Package %s pre-depends on %s, but it is not installed",
- name_hashtable[package_node->name],
- name_hashtable[package_edge->name]);
+ 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;
+ }
+ 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) {
+ int result=1;
+ status_num = 0;
+
+ /* If we are inside an alternative then check
+ * this edge is the right type.
+ *
+ * EDGE_DEPENDS == OR_DEPENDS -1
+ * EDGE_PRE_DEPENDS == OR_PRE_DEPENDS -1
+ */
+ 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);
+
+ if (package_hashtable[package_num] != NULL)
+ result = !package_satisfies_dependency(package_num, package_edge->type);
+
+ if (result) { /* check for other package which provide what we are looking for */
+ int provider = -1;
+
+ while ((provider = search_for_provides(package_edge->name, provider)) > -1) {
+ if (package_hashtable[provider] == NULL) {
+ puts("Have a provider but no package information for it");
+ continue;
+ }
+ result = !package_satisfies_dependency(provider, package_edge->type);
+
+ if (result == 0)
+ break;
}
- break;
- case(EDGE_DEPENDS):
- case(EDGE_OR_DEPENDS):
- /* It must be already installed, or to be installed */
- if ((package_hashtable[package_num] == NULL) ||
- ((state_status != search_name_hashtable("installed")) &&
- (state_want != search_name_hashtable("want_install")))) {
- error_msg_and_die("Package %s depends on %s, but it is not installed, or flaged to be installed",
+ }
+
+ /* It must be already installed, or to be installed */
+ number_of_alternatives--;
+ if (result && number_of_alternatives == 0) {
+ if (root_of_alternatives)
+ bb_error_msg_and_die(
+ "package %s %sdepends on %s, "
+ "which cannot be satisfied",
name_hashtable[package_node->name],
- name_hashtable[package_edge->name]);
- }
- break;
+ package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
+ name_hashtable[root_of_alternatives->name]);
+ 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
+ * the alternatives.
+ */
+ j += number_of_alternatives;
+ number_of_alternatives = 0;
+ }
}
}
- i++;
}
free(conflicts);
- return(TRUE);
+ return TRUE;
}
-char **create_list(const char *filename)
+static char **create_list(const char *filename)
{
FILE *list_stream;
- char **file_list = xmalloc(sizeof(char *));
+ char **file_list = NULL;
char *line = NULL;
- char *last_char;
- int length = 0;
int count = 0;
- /* dont use [xw]fopen here, handle error ourself */
+ /* don't use [xw]fopen here, handle error ourself */
list_stream = fopen(filename, "r");
if (list_stream == NULL) {
- *file_list = NULL;
- return(file_list);
+ return NULL;
}
- while (getline(&line, &length, list_stream) != -1) {
- file_list = xrealloc(file_list, sizeof(char *) * (length + 1));
- last_char = last_char_is(line, '\n');
- if (last_char) {
- *last_char = '\0';
- }
- file_list[count] = xstrdup(line);
+
+ while ((line = xmalloc_fgetline(list_stream)) != NULL) {
+ file_list = xrealloc(file_list, sizeof(char *) * (count + 2));
+ file_list[count] = line;
count++;
}
fclose(list_stream);
- free(line);
if (count == 0) {
- return(NULL);
- } else {
- file_list[count] = NULL;
- return(file_list);
+ return NULL;
}
+ file_list[count] = NULL;
+ return file_list;
}
/* maybe i should try and hook this into remove_file.c somehow */
-int remove_file_array(char **remove_names, char **exclude_names)
+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);
}
-int run_package_script(const char *package_name, const char *script_type)
+static int run_package_script(const char *package_name, const char *script_type)
{
struct stat path_stat;
char *script_path;
int result;
- script_path = xmalloc(strlen(package_name) + strlen(script_type) + 21);
- sprintf(script_path, "/var/lib/dpkg/info/%s.%s", package_name, script_type);
+ script_path = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, script_type);
/* If the file doesnt exist is isnt a fatal */
- if (lstat(script_path, &path_stat) < 0) {
- result = EXIT_SUCCESS;
- } else {
- result = system(script_path);
- }
+ result = lstat(script_path, &path_stat) < 0 ? EXIT_SUCCESS : system(script_path);
free(script_path);
- return(result);
+ return result;
}
-void all_control_list(char **remove_files, const char *package_name)
+static const char *const all_control_files[] = {
+ "preinst", "postinst", "prerm", "postrm",
+ "list", "md5sums", "shlibs", "conffiles",
+ "config", "templates", NULL
+};
+
+static char **all_control_list(const char *package_name)
{
- const char *all_extensions[11] = {"preinst", "postinst", "prerm", "postrm",
- "list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
- int i;
+ unsigned i = 0;
+ char **remove_files;
/* Create a list of all /var/lib/dpkg/info/<package> files */
- for(i = 0; i < 10; i++) {
- remove_files[i] = xmalloc(strlen(package_name) + strlen(all_extensions[i]) + 21);
- sprintf(remove_files[i], "/var/lib/dpkg/info/%s.%s", package_name, all_extensions[i]);
+ 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]);
+ i++;
}
- remove_files[10] = NULL;
+
+ return remove_files;
}
+static void free_array(char **array)
+{
+ if (array) {
+ unsigned i = 0;
+ while (array[i]) {
+ free(array[i]);
+ i++;
+ }
+ free(array);
+ }
+}
/* This function lists information on the installed packages. It loops through
* the status_hashtable to retrieve the info. This results in smaller code than
- * scanning the status file. The resulting list, however, is unsorted.
+ * scanning the status file. The resulting list, however, is unsorted.
*/
-void list_packages(void)
+static void list_packages(void)
{
- int i;
+ int i;
- printf(" Name Version\n");
- printf("+++-==============-==============\n");
-
- /* go through status hash, dereference package hash and finally strings */
- for (i=0; i<STATUS_HASH_PRIME+1; i++) {
+ puts(" Name Version");
+ puts("+++-==============-==============");
- if (status_hashtable[i]) {
- const char *stat_str; /* status string */
+ /* go through status hash, dereference package hash and finally strings */
+ 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 */
const char *vers_str; /* version */
char s1, s2; /* status abbreviations */
- int spccnt; /* space count */
+ int spccnt; /* space count */
int j;
-
+
stat_str = name_hashtable[status_hashtable[i]->status];
name_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->name];
vers_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->version];
-
+
/* 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++) {
- if (stat_str[j] == ' ') spccnt++;
+ 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);
}
- }
+ }
}
-void remove_package(const unsigned int package_num)
+static void remove_package(const unsigned package_num, int noisy)
{
const char *package_name = name_hashtable[package_hashtable[package_num]->name];
- const unsigned int status_num = search_status_hashtable(package_name);
+ const char *package_version = name_hashtable[package_hashtable[package_num]->version];
+ const unsigned status_num = search_status_hashtable(package_name);
const int package_name_length = strlen(package_name);
char **remove_files;
char **exclude_files;
char list_name[package_name_length + 25];
char conffile_name[package_name_length + 30];
- int return_value;
- printf("Removing %s ...\n", package_name);
+ 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) {
- error_msg_and_die("script failed, prerm failure");
+ if (run_package_script(package_name, "prerm") != 0) {
+ bb_error_msg_and_die("script failed, prerm failure");
}
- /* Create a list of files to remove, and a seperate list of those to keep */
+ /* 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);
remove_files = create_list(list_name);
sprintf(conffile_name, "/var/lib/dpkg/info/%s.conffiles", package_name);
exclude_files = create_list(conffile_name);
- /* Some directories cant be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files) == TRUE);
-
- /* Create a list of all /var/lib/dpkg/info/<package> files */
- remove_files = xmalloc(11);
- all_control_list(remove_files, package_name);
+ /* Some directories can't be removed straight away, so do multiple passes */
+ while (remove_file_array(remove_files, exclude_files)) /*repeat */;
+ free_array(exclude_files);
+ free_array(remove_files);
/* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
- exclude_files = xmalloc(sizeof(char*) * 3);
+ exclude_files = xzalloc(sizeof(char*) * 3);
exclude_files[0] = xstrdup(conffile_name);
- exclude_files[1] = xmalloc(package_name_length + 27);
- sprintf(exclude_files[1], "/var/lib/dpkg/info/%s.postrm", package_name);
- exclude_files[2] = NULL;
+ exclude_files[1] = xasprintf("/var/lib/dpkg/info/%s.postrm", package_name);
+
+ /* Create a list of all /var/lib/dpkg/info/<package> files */
+ remove_files = all_control_list(package_name);
remove_file_array(remove_files, exclude_files);
+ free_array(remove_files);
+ free_array(exclude_files);
/* rename <package>.conffile to <package>.list */
- rename(conffile_name, list_name);
+ xrename(conffile_name, list_name);
/* Change package status */
- set_status(status_num, "deinstall", 1);
set_status(status_num, "config-files", 3);
}
-void purge_package(const unsigned int package_num)
+static void purge_package(const unsigned package_num)
{
const char *package_name = name_hashtable[package_hashtable[package_num]->name];
- const unsigned int status_num = search_status_hashtable(package_name);
+ const char *package_version = name_hashtable[package_hashtable[package_num]->version];
+ const unsigned status_num = search_status_hashtable(package_name);
char **remove_files;
char **exclude_files;
char list_name[strlen(package_name) + 25];
+ printf("Purging %s (%s)...\n", package_name, package_version);
+
/* run prerm script */
if (run_package_script(package_name, "prerm") != 0) {
- error_msg_and_die("script failed, prerm failure");
+ bb_error_msg_and_die("script failed, prerm failure");
}
/* Create a list of files to remove */
sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
remove_files = create_list(list_name);
- exclude_files = xmalloc(1);
- exclude_files[0] = NULL;
+ exclude_files = xzalloc(sizeof(char*));
/* Some directories cant be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files) == TRUE);
+ while (remove_file_array(remove_files, exclude_files)) /* repeat */;
+ free_array(remove_files);
/* Create a list of all /var/lib/dpkg/info/<package> files */
- remove_files = xmalloc(11);
- all_control_list(remove_files, package_name);
+ remove_files = all_control_list(package_name);
remove_file_array(remove_files, exclude_files);
+ free_array(remove_files);
+ free(exclude_files);
/* run postrm script */
- if (run_package_script(package_name, "postrm") == -1) {
- error_msg_and_die("postrm fialure.. set status to what?");
+ if (run_package_script(package_name, "postrm") != 0) {
+ bb_error_msg_and_die("postrm failure.. set status to what?");
}
/* Change package status */
- set_status(status_num, "purge", 1);
set_status(status_num, "not-installed", 3);
}
-void unpack_package(deb_file_t *deb_file)
+static archive_handle_t *init_archive_deb_ar(const char *filename)
{
- const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
- const unsigned int status_num = search_status_hashtable(package_name);
- const unsigned int status_package_num = status_hashtable[status_num]->package;
+ archive_handle_t *ar_handle;
- FILE *out_stream;
+ /* Setup an ar archive handle that refers to the gzip sub archive */
+ ar_handle = init_handle();
+ ar_handle->filter = filter_accept_list_reassign;
+ ar_handle->src_fd = xopen(filename, O_RDONLY);
+
+ return ar_handle;
+}
+
+static void init_archive_deb_control(archive_handle_t *ar_handle)
+{
+ archive_handle_t *tar_handle;
+
+ /* Setup the tar archive handle */
+ tar_handle = init_handle();
+ tar_handle->src_fd = ar_handle->src_fd;
+
+ /* We don't care about data.tar.* or debian-binary, just control.tar.* */
+#if ENABLE_FEATURE_DEB_TAR_GZ
+ llist_add_to(&(ar_handle->accept), (char*)"control.tar.gz");
+#endif
+#if ENABLE_FEATURE_DEB_TAR_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;
+}
+
+static void init_archive_deb_data(archive_handle_t *ar_handle)
+{
+ archive_handle_t *tar_handle;
+
+ /* Setup the tar archive handle */
+ tar_handle = init_handle();
+ tar_handle->src_fd = ar_handle->src_fd;
+
+ /* We don't care about control.tar.* or debian-binary, just data.tar.* */
+#if ENABLE_FEATURE_DEB_TAR_GZ
+ llist_add_to(&(ar_handle->accept), (char*)"data.tar.gz");
+#endif
+#if ENABLE_FEATURE_DEB_TAR_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;
+}
+
+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;
+
+ unpack_ar_archive(ar_handle);
+ close(ar_handle->src_fd);
+
+ return ar_handle->sub_archive->buffer;
+}
+
+static void data_extract_all_prefix(archive_handle_t *archive_handle)
+{
+ char *name_ptr = archive_handle->file_header->name;
+
+ name_ptr += strspn(name_ptr, "./");
+ if (name_ptr[0] != '\0') {
+ archive_handle->file_header->name = xasprintf("%s%s", archive_handle->buffer, name_ptr);
+ data_extract_all(archive_handle);
+ }
+}
+
+static void unpack_package(deb_file_t *deb_file)
+{
+ const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
+ const unsigned status_num = search_status_hashtable(package_name);
+ const unsigned status_package_num = status_hashtable[status_num]->package;
char *info_prefix;
+ char *list_filename;
+ archive_handle_t *archive_handle;
+ FILE *out_stream;
+ llist_t *accept_list = NULL;
+ int i = 0;
/* If existing version, remove it first */
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,
+ printf("Preparing to replace %s %s (using %s)...\n", package_name,
name_hashtable[package_hashtable[status_package_num]->version],
deb_file->filename);
- remove_package(status_package_num);
+ remove_package(status_package_num, 0);
} else {
- printf("Unpacking %s (from %s) ...\n", package_name, deb_file->filename);
+ printf("Unpacking %s (from %s)...\n", package_name, deb_file->filename);
}
/* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */
- info_prefix = (char *) xmalloc(sizeof(package_name) + 20 + 4 + 1);
- sprintf(info_prefix, "/var/lib/dpkg/info/%s.", package_name);
- deb_extract(deb_file->filename, stdout, (extract_quiet | extract_control_tar_gz | extract_all_to_fs | extract_unconditional), info_prefix, NULL);
+ info_prefix = xasprintf("/var/lib/dpkg/info/%s.", package_name);
+ archive_handle = init_archive_deb_ar(deb_file->filename);
+ init_archive_deb_control(archive_handle);
+
+ while (all_control_files[i]) {
+ 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;
+ 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 */
- error_msg_and_die("subprocess pre-installation script returned error.");
- }
+ bb_error_msg_and_die("subprocess pre-installation script returned error");
+ }
/* Extract data.tar.gz to the root directory */
- deb_extract(deb_file->filename, stdout, (extract_quiet | extract_data_tar_gz | extract_all_to_fs | extract_unconditional), "/", NULL);
+ 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;
+ unpack_ar_archive(archive_handle);
/* Create the list file */
- strcat(info_prefix, "list");
- out_stream = xfopen(info_prefix, "w");
- deb_extract(deb_file->filename, out_stream, (extract_quiet | extract_data_tar_gz | extract_list), "/", NULL);
+ list_filename = xasprintf("/var/lib/dpkg/info/%s.list", package_name);
+ out_stream = xfopen(list_filename, "w");
+ while (archive_handle->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;
+ }
fclose(out_stream);
/* change status */
set_status(status_num, "unpacked", 3);
free(info_prefix);
+ free(list_filename);
}
-void configure_package(deb_file_t *deb_file)
+static void configure_package(deb_file_t *deb_file)
{
const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
const char *package_version = name_hashtable[package_hashtable[deb_file->package]->version];
const int status_num = search_status_hashtable(package_name);
- printf("Setting up %s (%s)\n", package_name, package_version);
+ 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 */
- error_msg_and_die("postrm failure.. set status to what?");
+ bb_error_msg_and_die("postinst failure.. set status to what?");
}
/* Change status to reflect success */
set_status(status_num, "install", 1);
set_status(status_num, "installed", 3);
}
-extern int dpkg_main(int argc, char **argv)
+int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int dpkg_main(int argc, char **argv)
{
deb_file_t **deb_file = NULL;
status_node_t *status_node;
- char opt = 0;
+ char *str_f;
+ int opt;
int package_num;
- int dpkg_opt = 0;
int deb_count = 0;
int state_status;
int status_num;
int i;
-
- while ((opt = getopt(argc, argv, "CF:ilPru")) != -1) {
- switch (opt) {
- case 'C': // equivalent to --configure in official dpkg
- dpkg_opt |= dpkg_opt_configure;
- dpkg_opt |= dpkg_opt_package_name;
- break;
- case 'F': // equivalent to --force in official dpkg
- if (strcmp(optarg, "depends") == 0) {
- dpkg_opt |= dpkg_opt_force_ignore_depends;
- }
- case 'i':
- dpkg_opt |= dpkg_opt_install;
- dpkg_opt |= dpkg_opt_filename;
- break;
- case 'l':
- dpkg_opt |= dpkg_opt_list_installed;
- break;
- case 'P':
- dpkg_opt |= dpkg_opt_purge;
- dpkg_opt |= dpkg_opt_package_name;
- break;
- case 'r':
- dpkg_opt |= dpkg_opt_remove;
- dpkg_opt |= dpkg_opt_package_name;
- break;
- case 'u': /* Equivalent to --unpack in official dpkg */
- dpkg_opt |= dpkg_opt_unpack;
- dpkg_opt |= dpkg_opt_filename;
- break;
- default:
- show_usage();
- }
- }
- /* check for non-otion argument if expected */
- if ((dpkg_opt == 0) || ((argc == optind) && !(dpkg_opt && dpkg_opt_list_installed))) {
- show_usage();
+ 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(argv, "CF:ilPru", &str_f);
+ //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) ... // -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)))
+ 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 (dpkg_opt & dpkg_opt_list_installed) {
+ if (opt & OPT_list_installed) {
list_packages();
- return(EXIT_SUCCESS);
+ return EXIT_SUCCESS;
}
-
+
/* Read arguments and store relevant info in structs */
- deb_file = xmalloc(sizeof(deb_file_t));
- while (optind < argc) {
- deb_file[deb_count] = (deb_file_t *) xmalloc(sizeof(deb_file_t));
- if (dpkg_opt & dpkg_opt_filename) {
- deb_file[deb_count]->filename = xstrdup(argv[optind]);
- deb_file[deb_count]->control_file = deb_extract(argv[optind], stdout, (extract_control_tar_gz | extract_one_to_buffer), NULL, "./control");
+ 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[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;
+
+ /* Extract the control file */
+ llist_add_to(&control_list, (char*)"./control");
+ archive_handle = init_archive_deb_ar(argv[0]);
+ 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) {
- error_msg_and_die("Couldnt extract control file");
+ bb_error_msg_and_die("cannot extract control file");
}
+ deb_file[deb_count]->filename = xstrdup(argv[0]);
package_num = fill_package_struct(deb_file[deb_count]->control_file);
if (package_num == -1) {
- error_msg("Invalid control file in %s", argv[optind]);
+ bb_error_msg("invalid control file in %s", argv[0]);
+ argv++;
continue;
}
- deb_file[deb_count]->package = (unsigned int) package_num;
- /* Add the package to the status hashtable */
- if ((dpkg_opt & dpkg_opt_unpack) || (dpkg_opt & dpkg_opt_install)) {
- status_node = (status_node_t *) xmalloc(sizeof(status_node_t));
- status_node->package = deb_file[deb_count]->package;
+ deb_file[deb_count]->package = (unsigned) package_num;
+ /* Add the package to the status hashtable */
+ 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 */
- if ((status_hashtable[status_num] == NULL) ||
- (status_hashtable[status_num]->status == 0)) {
+ if (status_hashtable[status_num] == NULL
+ || status_hashtable[status_num]->status == 0
+ ) {
+ status_node = xmalloc(sizeof(status_node_t));
+ status_node->package = deb_file[deb_count]->package;
/* reinstreq isnt changed to "ok" until the package control info
* is written to the status file*/
status_node->status = search_name_hashtable("install reinstreq not-installed");
status_hashtable[status_num] = status_node;
} else {
- status_hashtable[status_num]->status = search_name_hashtable("install reinstreq installed");
+ set_status(status_num, "install", 1);
+ set_status(status_num, "reinstreq", 2);
}
}
- }
- else if (dpkg_opt & dpkg_opt_package_name) {
- deb_file[deb_count]->filename = NULL;
- deb_file[deb_count]->control_file = NULL;
+ } 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[optind]),
- search_name_hashtable("ANY"), VER_ANY);
+ search_name_hashtable(argv[0]),
+ search_name_hashtable("ANY"), VER_ANY);
if (package_hashtable[deb_file[deb_count]->package] == NULL) {
- error_msg_and_die("Package %s is uninstalled or unknown\n", argv[optind]);
+ bb_error_msg_and_die("package %s is uninstalled or unknown", argv[0]);
}
- state_status = get_status(search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]), 3);
+ package_num = deb_file[deb_count]->package;
+ status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]);
+ state_status = get_status(status_num, 3);
/* check package status is "installed" */
- if (dpkg_opt & dpkg_opt_remove) {
- if ((strcmp(name_hashtable[state_status], "not-installed") == 0) ||
- (strcmp(name_hashtable[state_status], "config-files") == 0)) {
- error_msg_and_die("%s is already removed.", name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
+ if (opt & OPT_remove) {
+ if (strcmp(name_hashtable[state_status], "not-installed") == 0
+ || strcmp(name_hashtable[state_status], "config-files") == 0
+ ) {
+ bb_error_msg_and_die("%s is already removed", name_hashtable[package_hashtable[package_num]->name]);
}
- }
- else if (dpkg_opt & dpkg_opt_purge) {
+ set_status(status_num, "deinstall", 1);
+ } else if (opt & OPT_purge) {
/* if package status is "conf-files" then its ok */
if (strcmp(name_hashtable[state_status], "not-installed") == 0) {
- error_msg_and_die("%s is already purged.", name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
+ bb_error_msg_and_die("%s is already purged", name_hashtable[package_hashtable[package_num]->name]);
}
+ set_status(status_num, "purge", 1);
}
}
deb_count++;
- optind++;
+ 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 */
- /* TODO: check dependencies before removing */
- if ((dpkg_opt & dpkg_opt_force_ignore_depends) != dpkg_opt_force_ignore_depends) {
- if (!check_deps(deb_file, 0, deb_count)) {
- error_msg_and_die("Dependency check failed");
+ if (!(opt & OPT_force_ignore_depends)) {
+ if (!check_deps(deb_file, 0 /*, deb_count*/)) {
+ bb_error_msg_and_die("dependency check failed");
}
}
+ /* TODO: install or remove packages in the correct dependency order */
for (i = 0; i < deb_count; i++) {
/* Remove or purge packages */
- if (dpkg_opt & dpkg_opt_remove) {
- remove_package(deb_file[i]->package);
+ if (opt & OPT_remove) {
+ remove_package(deb_file[i]->package, 1);
}
- else if (dpkg_opt & dpkg_opt_purge) {
+ else if (opt & OPT_purge) {
purge_package(deb_file[i]->package);
}
- else if (dpkg_opt & dpkg_opt_unpack) {
+ else if (opt & OPT_unpack) {
unpack_package(deb_file[i]);
}
- else if (dpkg_opt & dpkg_opt_install) {
+ else if (opt & OPT_install) {
unpack_package(deb_file[i]);
- configure_package(deb_file[i]);
+ /* package is configured in second pass below */
}
- else if (dpkg_opt & dpkg_opt_configure) {
+ else if (opt & OPT_configure) {
configure_package(deb_file[i]);
}
}
+ /* configure installed packages */
+ if (opt & OPT_install) {
+ for (i = 0; i < deb_count; i++)
+ configure_package(deb_file[i]);
+ }
write_status_file(deb_file);
- for (i = 0; i < deb_count; i++) {
- free(deb_file[i]->control_file);
- free(deb_file[i]->filename);
- free(deb_file[i]);
- }
- free(deb_file);
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ for (i = 0; i < deb_count; i++) {
+ free(deb_file[i]->control_file);
+ free(deb_file[i]->filename);
+ free(deb_file[i]);
+ }
+
+ free(deb_file);
- for (i = 0; i < NAME_HASH_PRIME; i++) {
- if (name_hashtable[i] != NULL) {
+ for (i = 0; i < NAME_HASH_PRIME; i++) {
free(name_hashtable[i]);
}
- }
- for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
- free_package(package_hashtable[i]);
- }
+ for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
+ free_package(package_hashtable[i]);
+ }
- for (i = 0; i < STATUS_HASH_PRIME; i++) {
- if (status_hashtable[i] != NULL) {
+ for (i = 0; i < STATUS_HASH_PRIME; i++) {
free(status_hashtable[i]);
}
+
+ free(status_hashtable);
+ free(package_hashtable);
+ free(name_hashtable);
}
- return(EXIT_SUCCESS);
+ return EXIT_SUCCESS;
}
-
projects / oweals / busybox.git / blobdiff