* - Packages with previously unknown status are inserted at the begining of
* the status file
*
- * Bugs that need to be fixed
- * - (unknown, please let me know when you find any)
- *
+ * Work to be done
+ * - (bugs, unknown, please let me know when you find them)
+ * - dependency checking is incomplete
+ * - provides, replaces, conflicts fields arent considered when installing
*/
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include "../libbb/deb_functs.h"
+#include "libbb.h"
#include "busybox.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%
- * 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
- * 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
- * int's and chaos is assured, 16381 is the max prime for 14 bit field
- */
-
-/* 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,
- * Currently only packages from status_hashtable are stored in here, but in
- * future this may be used to store packages not only from a status file,
- * but an available_hashtable, and even multiple packages files.
- * Package can be stored more than once if they have different versions.
- * e.g. The same package may have different versions in the status file
- * 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;
-} edge_t;
-
-typedef struct common_node_s {
- unsigned int name:14;
- unsigned int version:14;
- unsigned int num_of_edges: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 */
-#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 */
-} status_node_t;
-status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
-
-/* Even numbers are for 'extras', like ored dependecies or null */
-enum edge_type_e {
- EDGE_NULL = 0,
- EDGE_PRE_DEPENDS = 1,
- EDGE_OR_PRE_DEPENDS = 2,
- EDGE_DEPENDS = 3,
- EDGE_OR_DEPENDS = 4,
- EDGE_REPLACES = 5,
- EDGE_PROVIDES = 7,
- EDGE_CONFLICTS = 9,
- EDGE_SUGGESTS = 11,
- EDGE_RECOMMENDS = 13,
- EDGE_ENHANCES = 15
-};
-enum operator_e {
- VER_NULL = 0,
- VER_EQUAL = 1,
- VER_LESS = 2,
- VER_LESS_EQUAL = 3,
- VER_MORE = 4,
- VER_MORE_EQUAL = 5,
- 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
+ DPKG_OPT_PURGE = 1,
+ DPKG_OPT_REMOVE = 2,
+ DPKG_OPT_UNPACK = 4,
+ DPKG_OPT_CONFIGURE = 8,
+ DPKG_OPT_INSTALL = 16,
+ DPKG_OPT_PACKAGENAME = 32,
+ DPKG_OPT_FILENAME = 64,
+ DPKG_OPT_LIST_INSTALLED = 128,
+ DPKG_OPT_FORCE_IGNORE_DEPENDS = 256,
};
+extern unsigned short char_name_hash_prime;
+extern unsigned short char_ver_hash_prime;
+extern unsigned short char_rev_hash_prime;
+extern unsigned short char_filename_hash_prime;
+extern unsigned short char_source_hash_prime;
+extern unsigned short edge_hash_prime;
+extern unsigned short node_hash_prime;
-typedef struct deb_file_s {
- char *control_file;
- char *filename;
- unsigned int package:14;
-} deb_file_t;
-
-
-void make_hash(const char *key, unsigned int *start, unsigned int *decrement, const int hash_prime)
-{
- unsigned long int 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++) {
- /* 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
- * no effect*/
- 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));
-}
-
-/* this adds the key to the hash table */
-int search_name_hashtable(const char *key)
-{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
-// char *temp;
-
- make_hash(key, &probe_address, &probe_decrement, NAME_HASH_PRIME);
- 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;
- }
- }
- }
- name_hashtable[probe_address] = xstrdup(key);
- 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)
-{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
-
- make_hash(key, &probe_address, &probe_decrement, STATUS_HASH_PRIME);
- 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;
- }
- }
- }
- 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)
-{
- 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;
- int ret;
-
- 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) {
- ret = tmp_int;
- goto cleanup_version_compare_part;
- }
-
- /* 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) {
- ret = -1;
- goto cleanup_version_compare_part;
- }
- else if (ver_num1 > ver_num2) {
- ret = 1;
- goto cleanup_version_compare_part;
- }
- }
- ret = 0;
-cleanup_version_compare_part:
- return(ret);
-}
-
-/* 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)
-{
- char *ch_ver1 = name_hashtable[ver1];
- char *ch_ver2 = name_hashtable[ver2];
-
- char epoch1, epoch2;
- 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;
- }
- if (ch_ver2[1] == ':') {
- epoch2 = ch_ver2[0];
- ver2_ptr = strchr(ch_ver2, ':') + 1;
- } else {
- epoch2 = '0';
- ver2_ptr = ch_ver2;
- }
- if (epoch1 < epoch2) {
- return(-1);
- }
- else if (epoch1 > epoch2) {
- return(1);
- }
-
- /* Compare upstream version */
- upstream_ver1 = xstrdup(ver1_ptr);
- upstream_ver2 = xstrdup(ver2_ptr);
-
- /* 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++;
- }
- if (deb_ver2) {
- deb_ver2[0] = '\0';
- deb_ver2++;
- }
- result = version_compare_part(upstream_ver1, upstream_ver2);
-
- free(upstream_ver1);
- free(upstream_ver2);
-
- if (result != 0) {
- return(result);
- }
-
- /* Compare debian versions */
- return(version_compare_part(deb_ver1, deb_ver2));
-}
-
-int test_version(const unsigned int version1, const unsigned int version2, const unsigned int 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;
- }
- return(FALSE);
-}
-
-
-int search_package_hashtable(const unsigned int name, const unsigned int version, const unsigned int operator)
-{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
-
- make_hash(name_hashtable[name], &probe_address, &probe_decrement, PACKAGE_HASH_PRIME);
- while(package_hashtable[probe_address] != NULL) {
- if (package_hashtable[probe_address]->name == name) {
- if (operator == VER_ANY) {
- return(probe_address);
- }
- if (test_version(package_hashtable[probe_address]->version, version, operator)) {
- return(probe_address);
- }
- }
- probe_address -= probe_decrement;
- if ((int)probe_address < 0) {
- probe_address += PACKAGE_HASH_PRIME;
- }
- }
- return(probe_address);
-}
-
-/*
- * Create one new node and one new edge for every dependency.
+/* 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.
*/
-void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned int edge_type)
+/* TODO: check the character flags ive assigned match real dpkg */
+#ifdef BB_FEATURE_DPKG_LIST
+extern void list_packages(void)
{
- char *line = xstrdup(whole_line);
- char *line2;
- char *line_ptr1 = NULL;
- char *line_ptr2 = NULL;
- char *field;
- char *field2;
- char *version;
- edge_t *edge;
- int offset_ch;
- int type;
-
- field = strtok_r(line, ",", &line_ptr1);
- do {
- 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;
- }
-
- do {
- edge = (edge_t *) xmalloc(sizeof(edge_t));
- edge->type = type;
-
- /* Skip any extra leading spaces */
- field2 += strspn(field2, " ");
-
- /* Get dependency version info */
- version = strchr(field2, '(');
- if (version == NULL) {
- edge->operator = VER_ANY;
- /* Get the versions hash number, adding it if the number isnt already in there */
- edge->version = search_name_hashtable("ANY");
- } else {
- /* Skip leading ' ' or '(' */
- version += strspn(field2, " ");
- version += strspn(version, "(");
- /* Calculate length of any operator charactors */
- 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) {
- edge->operator = VER_LESS;
- }
- else if (strncmp(version, "<=", offset_ch) == 0) {
- edge->operator = VER_LESS_EQUAL;
- }
- else if (strncmp(version, ">>", offset_ch) == 0) {
- edge->operator = VER_MORE;
- }
- else if (strncmp(version, ">=", offset_ch) == 0) {
- edge->operator = VER_MORE_EQUAL;
- } else {
- error_msg_and_die("Illegal operator\n");
- }
- }
- /* skip to start of version numbers */
- version += offset_ch;
- version += strspn(version, " ");
-
- /* Truncate version at trailing ' ' or ')' */
- version[strcspn(version, " )")] = '\0';
- /* Get the versions hash number, adding it if the number isnt already in there */
- edge->version = search_name_hashtable(version);
- }
+ int i;
- /* Get the dependency name */
- field2[strcspn(field2, " (")] = '\0';
- edge->name = search_name_hashtable(field2);
+ printf(" Name Version\n");
+ printf("+++-==============-==============\n");
- /* 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);
- free(line2);
- } while ((field = strtok_r(NULL, ",", &line_ptr1)) != NULL);
- free(line);
-
- return;
-}
-
-void free_package(common_node_t *node)
-{
- int i;
- if (node != NULL) {
- for (i = 0; i < node->num_of_edges; i++) {
- if (node->edge[i] != NULL) {
- free(node->edge[i]);
- }
- }
- if (node->edge != NULL) {
- free(node->edge);
- }
+ /* go through status hash, dereference package hash and finally strings */
+ for (i = 0; i < node_hash_prime; i++) {
+ node_t *node = get_node_ht(i);
if (node != NULL) {
- free(node);
- }
- }
-}
-
-unsigned int fill_package_struct(char *control_buffer)
-{
- common_node_t *new_node = (common_node_t *) xcalloc(1, sizeof(common_node_t));
-
- char *field_name;
- char *field_value;
- int field_start = 0;
- int num = -1;
- int buffer_length = strlen(control_buffer);
-
- new_node->version = search_name_hashtable("unknown");
- while (field_start < buffer_length) {
- 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 !!
- }
-
- if (strcmp(field_name, "Package") == 0) {
- new_node->name = search_name_hashtable(field_value);
- }
- else if (strcmp(field_name, "Version") == 0) {
- new_node->version = search_name_hashtable(field_value);
- }
- else if (strcmp(field_name, "Pre-Depends") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
- }
- else if (strcmp(field_name, "Depends") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
- }
- else if (strcmp(field_name, "Replaces") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_REPLACES);
- }
- else if (strcmp(field_name, "Provides") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
- }
- else if (strcmp(field_name, "Conflicts") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
- }
- else if (strcmp(field_name, "Suggests") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
- }
- else if (strcmp(field_name, "Recommends") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
- }
- else if (strcmp(field_name, "Enhances") == 0) {
- add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
- }
-fill_package_struct_cleanup:
- if (field_name) {
- free(field_name);
- }
- if (field_value) {
- free(field_value);
- }
- }
-
- if (new_node->version == search_name_hashtable("unknown")) {
- free_package(new_node);
- 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);
-}
-
-/* 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)
-{
- char *status_string = name_hashtable[status_hashtable[status_node]->status];
- char *state_sub_string;
- unsigned int state_sub_num;
- int len;
- int i;
-
- /* set tmp_string to point to the start of the word number */
- for (i = 1; i < num; i++) {
- /* skip past a word */
- status_string += strcspn(status_string, " ");
- /* skip past the seperating spaces */
- status_string += strspn(status_string, " ");
- }
- len = strcspn(status_string, " \n\0");
- state_sub_string = xstrndup(status_string, len);
- state_sub_num = search_name_hashtable(state_sub_string);
- free(state_sub_string);
- return(state_sub_num);
-}
-
-void set_status(const unsigned int 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);
- 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:
- 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]);
- status_hashtable[status_node_num]->status = search_name_hashtable(new_status);
- free(new_status);
- return;
-}
-
-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;
-
- 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);
- if (package_num != -1) {
- status_node = xmalloc(sizeof(status_node_t));
- /* fill_package_struct doesnt handle the status field */
- status_line = strstr(control_buffer, "Status:");
- 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_node->status = search_name_hashtable(status_line);
- free(status_line);
- }
- status_node->package = package_num;
- status_num = search_status_hashtable(name_hashtable[package_hashtable[status_node->package]->name]);
- status_hashtable[status_num] = status_node;
- }
- 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);
-}
+ char *name_str = get_name_ht(node->name);
+ char *ver_rev;
+ char want_flag;
+ char status_flag;
-void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
-{
- char *name;
- char *value;
- int start = 0;
- while (1) {
- start += read_package_field(&control_buffer[start], &name, &value);
- if (name == NULL) {
- break;
- }
- if (strcmp(name, "Status") != 0) {
- 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)
-{
- FILE *old_status_file = xfopen("/var/lib/dpkg/status", "r");
- FILE *new_status_file = xfopen("/var/lib/dpkg/status.udeb", "w");
- char *package_name;
- char *status_from_file;
- char *control_buffer = NULL;
- char *tmp_string;
- int status_num;
- int field_start = 0;
- int write_flag;
- 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) {
- continue;
- }
-
- tmp_string += 8;
- tmp_string += strspn(tmp_string, " \n\t");
- package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n\0"));
- write_flag = FALSE;
- tmp_string = strstr(control_buffer, "Status:");
- if (tmp_string != NULL) {
- /* Seperate 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"));
- } else {
- status_from_file = NULL;
- }
-
- /* Find this package in the status hashtable */
- status_num = search_status_hashtable(package_name);
- if (status_hashtable[status_num] != NULL) {
- const char *status_from_hashtable = name_hashtable[status_hashtable[status_num]->status];
- 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)) {
- /* We need to add the control file from the package */
- i = 0;
- 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]);
- write_flag = TRUE;
- break;
- }
- i++;
- }
- /* 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);
- }
- }
- else if (strcmp("not-installed", name_hashtable[state_status]) == 0) {
- /* Only write the Package, Status, Priority and Section lines */
- fprintf(new_status_file, "Package: %s\n", package_name);
- fprintf(new_status_file, "Status: %s\n", status_from_hashtable);
-
- while (1) {
- char *field_name;
- char *field_value;
- field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value);
- if (field_name == NULL) {
- break;
- }
- 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) {
- /* only change the status line */
- while (1) {
- char *field_name;
- char *field_value;
- field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value);
- if (field_name == NULL) {
- break;
- }
- /* Setup start point for next field */
- if (strcmp(field_name, "Status") == 0) {
- fprintf(new_status_file, "Status: %s\n", status_from_hashtable);
- } else {
- fprintf(new_status_file, "%s: %s\n", field_name, field_value);
- }
- }
- write_flag = TRUE;
- fputs("\n", new_status_file);
- }
- }
- }
- /* If the package from the status file wasnt handle above, do it now*/
- if (write_flag == FALSE) {
- fprintf(new_status_file, "%s\n\n", control_buffer);
- }
-
- if (status_from_file != NULL) {
- free(status_from_file);
- }
- free(package_name);
- free(control_buffer);
- }
-
- /* Write any new packages */
- 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);
- set_status(status_num, "ok", 2);
- fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]);
- }
- }
- fclose(old_status_file);
- fclose(new_status_file);
-
-
- /* Create a seperate 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
- * file doesnt exist, maybe we are starting from scratch */
- 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");
- }
-}
-
-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;
-
- /* Check for conflicts
- * TODO: TEST if conflicts with other packages to be installed
- *
- * Add install packages and the packages they provide
- * to the list of files to check conflicts for
- */
-
- /* 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;
- conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
- conflicts[conflicts_num] = package_num;
- conflicts_num++;
- /* add provides to conflicts list */
- 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,
- package_hashtable[package_num]->edge[j]->version,
- 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));
- 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));
- conflicts[conflicts_num] = conflicts_package_num;
- conflicts_num++;
- }
- }
- i++;
- }
-
- /* 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;
- }
- /* 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]);
- }
+ ver_rev = version_revision(node->version, node->revision);
+ if (strlen(ver_rev) > 14) {
+ ver_rev[14] = '\0';
}
- }
- }
-
- /* Check dependendcies */
- i = 0;
- while (deb_file[i] != NULL) {
- const common_node_t *package_node = package_hashtable[deb_file[i]->package];
- int status_num = 0;
- for (j = 0; j < package_hashtable[deb_file[i]->package]->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);
-
- 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]);
- }
+ switch (node->state_want) {
+ case(STATE_WANT_HOLD):
+ want_flag = 'h';
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",
- name_hashtable[package_node->name],
- name_hashtable[package_edge->name]);
- }
+ case(STATE_WANT_INSTALL):
+ want_flag = 'i';
break;
- }
- }
- i++;
- }
- free(conflicts);
- return(TRUE);
-}
-
-char **create_list(const char *filename)
-{
- FILE *list_stream;
- char **file_list = xmalloc(sizeof(char *));
- char *line = NULL;
- char *last_char;
- int length = 0;
- int count = 0;
-
- /* dont use [xw]fopen here, handle error ourself */
- list_stream = fopen(filename, "r");
- if (list_stream == NULL) {
- *file_list = NULL;
- return(file_list);
- }
- 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);
- count++;
- }
- fclose(list_stream);
- free(line);
-
- if (count == 0) {
- return(NULL);
- } else {
- 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)
-{
- struct stat path_stat;
- int match_flag;
- int remove_flag = FALSE;
- int i,j;
-
- if (remove_names == NULL) {
- return(FALSE);
- }
- for (i = 0; remove_names[i] != NULL; i++) {
- match_flag = FALSE;
- if (exclude_names != NULL) {
- for (j = 0; exclude_names[j] != 0; j++) {
- if (strcmp(remove_names[i], exclude_names[j]) == 0) {
- match_flag = TRUE;
+ case(STATE_WANT_DEINSTALL):
+ want_flag = 'r';
break;
- }
- }
- }
- if (!match_flag) {
- if (lstat(remove_names[i], &path_stat) < 0) {
- continue;
+ case(STATE_WANT_PURGE):
+ want_flag = 'p';
+ break;
+ default:
+ want_flag = '?';
}
- 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;
- }
+ switch(node->state_status) {
+ case(STATE_STATUS_NOTINSTALLED):
+ status_flag = 'n';
+ break;
+ case(STATE_STATUS_UNPACKED):
+ status_flag = 'u';
+ break;
+ case(STATE_STATUS_HALFCONFIGURED):
+ status_flag = 'h';
+ break;
+ case(STATE_STATUS_INSTALLED):
+ status_flag = 'i';
+ break;
+ case(STATE_STATUS_HALFINSTALLED):
+ status_flag = 'h';
+ break;
+ case(STATE_STATUS_CONFIGFILES):
+ status_flag = 'c';
+ break;
+ default:
+ status_flag = '?';
}
- }
- }
- return(remove_flag);
-}
-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);
-
- /* If the file doesnt exist is isnt a fatal */
- if (lstat(script_path, &path_stat) < 0) {
- result = EXIT_SUCCESS;
- } else {
- result = system(script_path);
- }
- free(script_path);
- return(result);
-}
-
-void all_control_list(char **remove_files, const char *package_name)
-{
- const char *all_extensions[11] = {"preinst", "postinst", "prerm", "postrm",
- "list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
- int i;
-
- /* 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[10] = NULL;
-}
-
-
-/* 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.
- */
-void list_packages(void)
-{
- 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++) {
-
- 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 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++;
- }
- s2 = stat_str[j];
-
/* print out the line formatted like Debian dpkg */
- printf("%c%c %-14s %s\n", s1, s2, name_str, vers_str);
+ if ((status_flag != '?') && (want_flag != '?')) {
+#ifdef BB_FEATURE_DPKG_LIST_SHORT_DESCRIPTIONS
+ printf("%c%c %-14s %-14s %s\n", want_flag, status_flag, name_str, ver_rev, node->description_short);
+#else
+ printf("%c%c %-14s %-14s\n", want_flag, status_flag, name_str, ver_rev);
+#endif
+ }
+ free(ver_rev);
}
}
}
-
-void remove_package(const unsigned int package_num)
-{
- const char *package_name = name_hashtable[package_hashtable[package_num]->name];
- const unsigned int 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);
-
- /* run prerm script */
- return_value = run_package_script(package_name, "prerm");
- if (return_value == -1) {
- error_msg_and_die("script failed, prerm failure");
- }
-
- /* Create a list of files to remove, and a seperate 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);
-
- /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
- exclude_files = xmalloc(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;
-
- remove_file_array(remove_files, exclude_files);
-
- /* rename <package>.conffile to <package>.list */
- rename(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)
-{
- const char *package_name = name_hashtable[package_hashtable[package_num]->name];
- const unsigned int status_num = search_status_hashtable(package_name);
- char **remove_files;
- char **exclude_files;
- char list_name[strlen(package_name) + 25];
-
- /* run prerm script */
- if (run_package_script(package_name, "prerm") != 0) {
- 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;
-
- /* 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);
- remove_file_array(remove_files, exclude_files);
-
- /* run postrm script */
- if (run_package_script(package_name, "postrm") == -1) {
- error_msg_and_die("postrm fialure.. 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)
-{
- 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;
-
- FILE *out_stream;
- char *info_prefix;
-
- /* 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,
- name_hashtable[package_hashtable[status_package_num]->version],
- deb_file->filename);
- remove_package(status_package_num);
- } 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 = (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);
-
- /* 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.");
- }
-
- /* 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);
-
- /* 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);
- fclose(out_stream);
-
- /* change status */
- set_status(status_num, "install", 1);
- set_status(status_num, "unpacked", 3);
-
- free(info_prefix);
-}
-
-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);
-
- /* 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?");
- }
- /* Change status to reflect success */
- set_status(status_num, "install", 1);
- set_status(status_num, "installed", 3);
-}
+#endif
extern int dpkg_main(int argc, char **argv)
{
- deb_file_t **deb_file = NULL;
- status_node_t *status_node;
+ deb_file_t **deb_file = xcalloc(1, sizeof(deb_file_t *));
char opt = 0;
- 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) {
+ unsigned short state_default_new_want = STATE_WANT_INSTALL;
+ unsigned short state_default_new_flag = STATE_FLAG_REINSTREQ;
+ unsigned short state_default_new_status = STATE_STATUS_NOTINSTALLED;
+
+ while ((opt = getopt(argc, argv,
+#ifdef BB_FEATURE_DPKG_LIST
+ "CF:ilPru")) != -1) {
+#else
+ "CF:iPru")) != -1) {
+#endif
switch (opt) {
case 'C': // equivalent to --configure in official dpkg
- dpkg_opt |= dpkg_opt_configure;
- dpkg_opt |= dpkg_opt_package_name;
+ dpkg_opt |= DPKG_OPT_CONFIGURE | DPKG_OPT_PACKAGENAME;
break;
case 'F': // equivalent to --force in official dpkg
if (strcmp(optarg, "depends") == 0) {
- dpkg_opt |= dpkg_opt_force_ignore_depends;
+ dpkg_opt |= DPKG_OPT_FORCE_IGNORE_DEPENDS;
}
case 'i':
- dpkg_opt |= dpkg_opt_install;
- dpkg_opt |= dpkg_opt_filename;
+ dpkg_opt |= DPKG_OPT_INSTALL | DPKG_OPT_FILENAME;
break;
+#ifdef BB_FEATURE_DPKG_LIST
case 'l':
- dpkg_opt |= dpkg_opt_list_installed;
+ dpkg_opt |= DPKG_OPT_LIST_INSTALLED;
break;
+#endif
case 'P':
- dpkg_opt |= dpkg_opt_purge;
- dpkg_opt |= dpkg_opt_package_name;
+ dpkg_opt |= DPKG_OPT_PURGE | DPKG_OPT_PACKAGENAME;
+ state_default_new_want = STATE_WANT_PURGE;
break;
case 'r':
- dpkg_opt |= dpkg_opt_remove;
- dpkg_opt |= dpkg_opt_package_name;
+ dpkg_opt |= DPKG_OPT_REMOVE | DPKG_OPT_PACKAGENAME;
+ state_default_new_want = STATE_WANT_DEINSTALL;
break;
case 'u': /* Equivalent to --unpack in official dpkg */
- dpkg_opt |= dpkg_opt_unpack;
- dpkg_opt |= dpkg_opt_filename;
+ dpkg_opt |= DPKG_OPT_UNPACK | 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))) {
+ if ((dpkg_opt == 0) || ((dpkg_opt & DPKG_OPT_FILENAME) && (dpkg_opt & DPKG_OPT_PACKAGENAME))) {
show_usage();
}
-/* puts("(Reading database ... xxxxx files and directories installed.)"); */
+ deb_initialise_hashtables(1);
index_status_file("/var/lib/dpkg/status");
+#ifdef BB_FEATURE_DPKG_LIST
/* if the list action was given print the installed packages and exit */
- if (dpkg_opt & dpkg_opt_list_installed) {
+ if (dpkg_opt & DPKG_OPT_LIST_INSTALLED) {
list_packages();
- return(EXIT_SUCCESS);
}
-
+#endif
+
/* 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");
- if (deb_file[deb_count]->control_file == NULL) {
- error_msg_and_die("Couldnt extract control file");
- }
- package_num = fill_package_struct(deb_file[deb_count]->control_file);
-
- if (package_num == -1) {
- error_msg("Invalid control file in %s", argv[optind]);
+ const char *arg_name = argv[optind];
+ unsigned int node_num;
+ deb_file_t *tmp;
+ node_t *node;
+
+ tmp = (deb_file_t *) xcalloc(sizeof(deb_file_t), 1);
+
+ if (dpkg_opt & DPKG_OPT_FILENAME) {
+ tmp->filename = xstrdup(arg_name);
+ /* Extract the control file */
+ tmp->control_file = deb_extract(arg_name, stdout, (extract_control_tar_gz | extract_one_to_buffer), NULL, "./control");
+ if (tmp->control_file == NULL) {
+ error_msg("Couldnt extract control file from, ignoring package %s", arg_name);
+ optind++;
+ free(tmp->filename);
+ free(tmp);
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;
+ node = parse_package_metadata(tmp->control_file);
+
+ if (node == NULL) {
+ error_msg_and_die("node was null\n");
+ } else {
+ node_num = search_node_ht(node, CMP_ANY);
+ node->state_want = state_default_new_want;
+ node->state_flag = state_default_new_flag;
+ node->state_status = state_default_new_status;
- /* 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)) {
- /* 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");
+ if (get_node_ht(node_num) == NULL) {
+ printf("Selecting previously deselected package %s\n", get_name_ht(node->name));
}
+ add_node(node, node_num);
}
- }
- else if (dpkg_opt & dpkg_opt_package_name) {
- deb_file[deb_count]->filename = NULL;
- deb_file[deb_count]->control_file = NULL;
- deb_file[deb_count]->package = search_package_hashtable(
- search_name_hashtable(argv[optind]),
- 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]);
+ } else {
+ /* It must be a package name */
+ node = initialise_node(arg_name);
+ node_num = search_node_ht(node, CMP_ANY);
+ free_node(node);
+
+ node = get_node_ht(node_num);
+ if (node == NULL) {
+ error_msg_and_die("Package %s is uninstalled or unknown\n", arg_name);
}
- state_status = get_status(search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]), 3);
+
+ node->state_want = state_default_new_want;
/* 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 (dpkg_opt & DPKG_OPT_REMOVE) {
+ if ((node->state_status == STATE_STATUS_NOTINSTALLED) ||
+ (node->state_status == STATE_STATUS_CONFIGFILES)) {
+ error_msg_and_die("%s is already removed.", arg_name);
}
}
- else if (dpkg_opt & dpkg_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]);
+ else if (dpkg_opt & DPKG_OPT_PURGE) {
+ if (node->state_status == STATE_STATUS_NOTINSTALLED) {
+ error_msg_and_die("%s is already purged.", arg_name);
}
}
}
+
+ tmp->node = node_num;
+ deb_file = realloc(deb_file, sizeof(deb_file_t) * (deb_count + 1));
+ deb_file[deb_count] = tmp;
+
deb_count++;
+ deb_file[deb_count] = NULL;
+
optind++;
}
- deb_file[deb_count] = NULL;
+#if 0
/* 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");
+ /* */
+ for (i = 0; i < deb_count; i++) {
+ /* add filename to list */
}
- }
+ /* Sort packages into groups and add dependencies */
+ find_deps(package_name);
+
+ /* Check all packages in groups and sub groups are installed */
+ }
+#endif
for (i = 0; i < deb_count; i++) {
/* Remove or purge packages */
- if (dpkg_opt & dpkg_opt_remove) {
- remove_package(deb_file[i]->package);
+ if (dpkg_opt & DPKG_OPT_REMOVE) {
+ remove_package(deb_file[i]->node);
}
- else if (dpkg_opt & dpkg_opt_purge) {
- purge_package(deb_file[i]->package);
+ else if (dpkg_opt & DPKG_OPT_PURGE) {
+ purge_package(deb_file[i]->node);
}
- else if (dpkg_opt & dpkg_opt_unpack) {
+ else if (dpkg_opt & DPKG_OPT_UNPACK) {
unpack_package(deb_file[i]);
}
- else if (dpkg_opt & dpkg_opt_install) {
+ else if (dpkg_opt & DPKG_OPT_INSTALL) {
unpack_package(deb_file[i]);
configure_package(deb_file[i]);
}
- else if (dpkg_opt & dpkg_opt_configure) {
+ else if (dpkg_opt & DPKG_OPT_CONFIGURE) {
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);
-
- for (i = 0; i < NAME_HASH_PRIME; i++) {
- if (name_hashtable[i] != NULL) {
- free(name_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) {
- free(status_hashtable[i]);
+ if (deb_file != NULL) {
+ 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);
}
+ free_hashtables();
return(EXIT_SUCCESS);
}
projects / oweals / busybox.git / commitdiff