+/* vi: set sw=4 ts=4: */
/*
- * Mini dpkg implementation for busybox.
- * This is not meant as a replacement 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
+ * written by glenn mcgrath with the help of others
+ * copyright (c) 2001 by glenn mcgrath
*
- * Started life as a busybox implementation of udpkg
+ * parts of the version comparison code is plucked from the real dpkg
+ * application which is licensed GPLv2 and
+ * copyright (c) 1995 Ian Jackson <ian@chiark.greenend.org.uk>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * started life as a busybox implementation of udpkg
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/*
- * Known difference between busybox dpkg and the official dpkg that i don't
+ * 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.
- * - When installing a package the Status: field is placed at the end of the
- * section, rather than just after the Package: field.
+ * - 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 <fcntl.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "unarchive.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%
+//usage:#define dpkg_trivial_usage
+//usage: "[-ilCPru] [-F OPT] PACKAGE"
+//usage:#define dpkg_full_usage "\n\n"
+//usage: "Install, remove and manage Debian packages\n"
+//usage: IF_LONG_OPTS(
+//usage: "\n -i,--install Install the package"
+//usage: "\n -l,--list List of installed packages"
+//usage: "\n --configure Configure an unpackaged package"
+//usage: "\n -P,--purge Purge all files of a package"
+//usage: "\n -r,--remove Remove all but the configuration files for a package"
+//usage: "\n --unpack Unpack a package, but don't configure it"
+//usage: "\n --force-depends Ignore dependency problems"
+//usage: "\n --force-confnew Overwrite existing config files when installing"
+//usage: "\n --force-confold Keep old config files when installing"
+//usage: )
+//usage: IF_NOT_LONG_OPTS(
+//usage: "\n -i Install the package"
+//usage: "\n -l List of installed packages"
+//usage: "\n -C Configure an unpackaged package"
+//usage: "\n -P Purge all files of a package"
+//usage: "\n -r Remove all but the configuration files for a package"
+//usage: "\n -u Unpack a package, but don't configure it"
+//usage: "\n -F depends Ignore dependency problems"
+//usage: "\n -F confnew Overwrite existing config files when installing"
+//usage: "\n -F confold Keep old config files when installing"
+//usage: )
+
+#include "libbb.h"
+#include <fnmatch.h>
+#include "bb_archive.h"
+
+/* note: if you vary hash_prime sizes be aware,
+ * 1) tweaking these will have a big effect on how much memory this program uses.
+ * 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
*/
* 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
-static 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;
-static 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 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;
-static status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
+
+
+/* Globals */
+struct globals {
+ char *name_hashtable[NAME_HASH_PRIME + 1];
+ common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1];
+ status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
+};
+#define G (*ptr_to_globals)
+#define name_hashtable (G.name_hashtable )
+#define package_hashtable (G.package_hashtable)
+#define status_hashtable (G.status_hashtable )
+#define INIT_G() do { \
+ SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
+} while (0)
+
/* Even numbers are for 'extras', like ored dependencies or null */
enum edge_type_e {
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;
-static 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, don't want to shift data to where it has
- * no effect*/
- hash_num += ((key[i] + key[i-1]) << ((key[i] * i) % 24));
+ * no effect */
+ hash_num += (key[i] + key[i-1]) << ((key[i] * i) % 24);
}
- *start = (unsigned 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 */
static int search_name_hashtable(const char *key)
{
- unsigned int probe_address = 0;
- unsigned int probe_decrement = 0;
-// char *temp;
+ unsigned probe_address;
+ unsigned probe_decrement;
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] = bb_xstrdup(key);
- return(probe_address);
+ 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
*/
-static 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;
+ unsigned probe_decrement;
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 ? */
-static int version_compare_part(const char *version1, const char *version2)
+static int order(char x)
{
- int upstream_len1 = 0;
- int upstream_len2 = 0;
- char *name1_char;
- char *name2_char;
- int len1 = 0;
- int len2 = 0;
- int tmp_int;
- int ver_num1;
- int ver_num2;
- int ret;
-
- if (version1 == NULL) {
- version1 = bb_xstrdup("");
- }
- if (version2 == NULL) {
- version2 = bb_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 = bb_xstrndup(&version1[len1], tmp_int);
- len1 += tmp_int;
- tmp_int = strcspn(&version2[len2], "0123456789");
- name2_char = bb_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;
- }
+ return (x == '~' ? -1
+ : x == '\0' ? 0
+ : isdigit(x) ? 0
+ : isalpha(x) ? x
+ : (unsigned char)x + 256
+ );
+}
- /* Compare digits */
- tmp_int = strspn(&version1[len1], "0123456789");
- name1_char = bb_xstrndup(&version1[len1], tmp_int);
- len1 += tmp_int;
- tmp_int = strspn(&version2[len2], "0123456789");
- name2_char = bb_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;
+/* This code is taken from dpkg and modified slightly to work with busybox */
+static int version_compare_part(const char *val, const char *ref)
+{
+ if (!val) val = "";
+ if (!ref) ref = "";
+
+ while (*val || *ref) {
+ int first_diff;
+
+ while ((*val && !isdigit(*val)) || (*ref && !isdigit(*ref))) {
+ int vc = order(*val);
+ int rc = order(*ref);
+ if (vc != rc)
+ return vc - rc;
+ val++;
+ ref++;
}
- else if (ver_num1 > ver_num2) {
- ret = 1;
- goto cleanup_version_compare_part;
+
+ while (*val == '0')
+ val++;
+ while (*ref == '0')
+ ref++;
+
+ first_diff = 0;
+ while (isdigit(*val) && isdigit(*ref)) {
+ if (first_diff == 0)
+ first_diff = *val - *ref;
+ val++;
+ ref++;
}
+ if (isdigit(*val))
+ return 1;
+ if (isdigit(*ref))
+ return -1;
+ if (first_diff)
+ return first_diff;
}
- 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,
*/
-static 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];
-
- char epoch1, epoch2;
+ unsigned epoch1 = 0, epoch2 = 0;
+ char *colon;
char *deb_ver1, *deb_ver2;
- char *ver1_ptr, *ver2_ptr;
char *upstream_ver1;
char *upstream_ver2;
int result;
/* Compare epoch */
- if (ch_ver1[1] == ':') {
- epoch1 = ch_ver1[0];
- ver1_ptr = strchr(ch_ver1, ':') + 1;
- } else {
- epoch1 = '0';
- ver1_ptr = ch_ver1;
+ colon = strchr(ch_ver1, ':');
+ if (colon) {
+ epoch1 = atoi(ch_ver1);
+ ch_ver1 = colon + 1;
}
- if (ch_ver2[1] == ':') {
- epoch2 = ch_ver2[0];
- ver2_ptr = strchr(ch_ver2, ':') + 1;
- } else {
- epoch2 = '0';
- ver2_ptr = ch_ver2;
+ colon = strchr(ch_ver2, ':');
+ if (colon) {
+ epoch2 = atoi(ch_ver2);
+ ch_ver2 = colon + 1;
}
if (epoch1 < epoch2) {
- return(-1);
+ return -1;
}
- else if (epoch1 > epoch2) {
- return(1);
+ if (epoch1 > epoch2) {
+ return 1;
}
/* Compare upstream version */
- upstream_ver1 = bb_xstrdup(ver1_ptr);
- upstream_ver2 = bb_xstrdup(ver2_ptr);
+ upstream_ver1 = xstrdup(ch_ver1);
+ upstream_ver2 = xstrdup(ch_ver2);
/* Chop off debian version, and store for later use */
deb_ver1 = strrchr(upstream_ver1, '-');
deb_ver2 = strrchr(upstream_ver2, '-');
if (deb_ver1) {
- deb_ver1[0] = '\0';
- deb_ver1++;
+ *deb_ver1++ = '\0';
}
if (deb_ver2) {
- deb_ver2[0] = '\0';
- deb_ver2++;
+ *deb_ver2++ = '\0';
}
result = version_compare_part(upstream_ver1, upstream_ver2);
+ if (result == 0) {
+ /* 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;
}
-static 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;
}
-
-static 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;
+ unsigned probe_decrement;
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;
}
/*
* FIXME: I don't think this is very efficient, but I thought I'd keep
* it simple for now until it proves to be a problem.
*/
-static int search_for_provides(int needle, int start_at) {
+static int search_for_provides(int needle, int start_at)
+{
int i, j;
common_node_t *p;
for (i = start_at + 1; i < PACKAGE_HASH_PRIME; i++) {
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 )
+ 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;
*/
static void add_edge_to_node(common_node_t *node, edge_t *edge)
{
- node->num_of_edges++;
- node->edge = xrealloc(node->edge, sizeof(edge_t) * (node->num_of_edges + 1));
- node->edge[node->num_of_edges - 1] = edge;
+ node->edge = xrealloc_vector(node->edge, 2, node->num_of_edges);
+ node->edge[node->num_of_edges++] = edge;
}
/*
* field contains the number of EDGE nodes which follow as part of
* this alternative.
*/
-static 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 = bb_xstrdup(whole_line);
+ char *line = xstrdup(whole_line);
char *line2;
char *line_ptr1 = NULL;
char *line_ptr2 = NULL;
do {
/* skip leading spaces */
field += strspn(field, " ");
- line2 = bb_xstrdup(field);
+ line2 = xstrdup(field);
field2 = strtok_r(line2, "|", &line_ptr2);
- if ( (edge_type == EDGE_DEPENDS || edge_type == EDGE_PRE_DEPENDS) &&
- (strcmp(field, field2) != 0)) {
- or_edge = (edge_t *)xmalloc(sizeof(edge_t));
+ or_edge = NULL;
+ if ((edge_type == EDGE_DEPENDS || edge_type == EDGE_PRE_DEPENDS)
+ && (strcmp(field, field2) != 0)
+ ) {
+ or_edge = xzalloc(sizeof(edge_t));
or_edge->type = edge_type + 1;
- } else {
- or_edge = NULL;
- }
-
- if ( or_edge ) {
or_edge->name = search_name_hashtable(field);
- or_edge->version = 0; // tracks the number of altenatives
-
+ //or_edge->version = 0; // tracks the number of alternatives
add_edge_to_node(parent_node, or_edge);
}
do {
- edge = (edge_t *) xmalloc(sizeof(edge_t));
+ edge = xmalloc(sizeof(edge_t));
edge->type = edge_type;
/* Skip any extra leading spaces */
edge->version = search_name_hashtable("ANY");
} else {
/* Skip leading ' ' or '(' */
- version += strspn(field2, " ");
- version += strspn(version, "(");
+ version += strspn(version, " (");
/* Calculate length of any operator characters */
offset_ch = strspn(version, "<=>");
/* Determine operator */
if (offset_ch > 0) {
if (strncmp(version, "=", offset_ch) == 0) {
edge->operator = VER_EQUAL;
- }
- else if (strncmp(version, "<<", offset_ch) == 0) {
+ } else if (strncmp(version, "<<", offset_ch) == 0) {
edge->operator = VER_LESS;
- }
- else if (strncmp(version, "<=", offset_ch) == 0) {
+ } else if (strncmp(version, "<=", offset_ch) == 0) {
edge->operator = VER_LESS_EQUAL;
- }
- else if (strncmp(version, ">>", offset_ch) == 0) {
+ } else if (strncmp(version, ">>", offset_ch) == 0) {
edge->operator = VER_MORE;
- }
- else if (strncmp(version, ">=", offset_ch) == 0) {
+ } else if (strncmp(version, ">=", offset_ch) == 0) {
edge->operator = VER_MORE_EQUAL;
} else {
- bb_error_msg_and_die("Illegal operator\n");
+ bb_error_msg_and_die("illegal operator");
}
}
/* skip to start of version numbers */
field2[strcspn(field2, " (")] = '\0';
edge->name = search_name_hashtable(field2);
- if ( or_edge )
+ if (or_edge)
or_edge->version++;
add_edge_to_node(parent_node, edge);
- } while ((field2 = strtok_r(NULL, "|", &line_ptr2)) != NULL);
+ field2 = strtok_r(NULL, "|", &line_ptr2);
+ } while (field2 != NULL);
+
free(line2);
- } while ((field = strtok_r(NULL, ",", &line_ptr1)) != NULL);
- free(line);
+ field = strtok_r(NULL, ",", &line_ptr1);
+ } while (field != NULL);
- return;
+ free(line);
}
static void free_package(common_node_t *node)
{
- unsigned short i;
+ unsigned i;
if (node) {
for (i = 0; i < node->num_of_edges; i++) {
free(node->edge[i]);
}
}
-static unsigned int fill_package_struct(char *control_buffer)
+/*
+ * Gets the next package field from package_buffer, separated into the field name
+ * and field value, it returns the int offset to the first character of the next field
+ */
+static int read_package_field(const char *package_buffer, char **field_name, char **field_value)
{
- static const char *const field_names[] = { "Package", "Version",
- "Pre-Depends", "Depends","Replaces", "Provides",
- "Conflicts", "Suggests", "Recommends", "Enhances", 0
- };
+ 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 (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;
+ }
- common_node_t *new_node = (common_node_t *) xzalloc(sizeof(common_node_t));
+ /* 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;
+}
+
+static unsigned fill_package_struct(char *control_buffer)
+{
+ 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 short field_num;
+ 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;
}
- field_num = compare_string_array(field_names, field_name);
- switch(field_num) {
- case 0: /* Package */
- new_node->name = search_name_hashtable(field_value);
- break;
- case 1: /* Version */
- new_node->version = search_name_hashtable(field_value);
- break;
- case 2: /* Pre-Depends */
- add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
- break;
- case 3: /* Depends */
- add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
- break;
- case 4: /* Replaces */
- add_split_dependencies(new_node, field_value, EDGE_REPLACES);
- break;
- case 5: /* Provides */
- add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
- break;
- case 6: /* Conflicts */
- add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
- break;
- case 7: /* Suggests */
- add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
- break;
- case 8: /* Recommends */
- add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
- break;
- case 9: /* Enhances */
- add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
- break;
+ field_num = index_in_strings(field_names, field_name);
+ switch (field_num) {
+ case 0: /* Package */
+ new_node->name = search_name_hashtable(field_value);
+ break;
+ case 1: /* Version */
+ new_node->version = search_name_hashtable(field_value);
+ break;
+ case 2: /* Pre-Depends */
+ add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
+ break;
+ case 3: /* Depends */
+ add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
+ break;
+ case 4: /* Replaces */
+ add_split_dependencies(new_node, field_value, EDGE_REPLACES);
+ break;
+ case 5: /* Provides */
+ add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
+ break;
+ case 6: /* Conflicts */
+ add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
+ break;
+ case 7: /* Suggests */
+ add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
+ break;
+ case 8: /* Recommends */
+ add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
+ break;
+ case 9: /* Enhances */
+ add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
+ break;
}
-fill_package_struct_cleanup:
+ 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 */
-static 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;
/* skip past the separating spaces */
status_string += strspn(status_string, " ");
}
- len = strcspn(status_string, " \n\0");
- state_sub_string = bb_xstrndup(status_string, len);
+ 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;
}
-static 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);
- int want_len = strlen(name_hashtable[want]);
- int flag_len = strlen(name_hashtable[flag]);
- int status_len = strlen(name_hashtable[status]);
+ 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);
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:
bb_error_msg_and_die("DEBUG ONLY: this shouldnt happen");
}
- new_status = bb_xasprintf("%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;
}
-static const char *describe_status(int status_num) {
- int status_want, status_state ;
- if ( status_hashtable[status_num] == NULL || status_hashtable[status_num]->status == 0 )
- return "is not installed or flagged to be installed\n";
+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") )
+ if (status_state == search_name_hashtable("installed")) {
+ if (status_want == search_name_hashtable("install"))
return "is installed";
- if ( status_want == search_name_hashtable("deinstall") )
+ if (status_want == search_name_hashtable("deinstall"))
return "is marked to be removed";
- if ( status_want == search_name_hashtable("purge") )
+ if (status_want == search_name_hashtable("purge"))
return "is marked to be purged";
}
- if ( status_want == search_name_hashtable("unknown") )
+ if (status_want == search_name_hashtable("unknown"))
return "is in an indeterminate state";
- if ( status_want == search_name_hashtable("install") )
+ 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 = bb_xfopen(filename, "r");
- while ((control_buffer = fgets_str(status_file, "\n\n")) != NULL) {
- const unsigned int package_num = fill_package_struct(control_buffer);
+ status_file = xfopen_for_read(filename);
+ while ((control_buffer = xmalloc_fgetline_str(status_file, "\n\n")) != NULL) {
+ const unsigned package_num = fill_package_struct(control_buffer);
if (package_num != -1) {
status_node = xmalloc(sizeof(status_node_t));
/* fill_package_struct doesnt handle the status field */
if (status_line != NULL) {
status_line += 7;
status_line += strspn(status_line, " \n\t");
- status_line = bb_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;
}
static void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
fprintf(new_status_file, "%s: %s\n", name, value);
}
}
- return;
}
/* This could do with a cleanup */
static void write_status_file(deb_file_t **deb_file)
{
- FILE *old_status_file = bb_xfopen("/var/lib/dpkg/status", "r");
- FILE *new_status_file = bb_xfopen("/var/lib/dpkg/status.udeb", "w");
+ FILE *old_status_file = xfopen_for_read("/var/lib/dpkg/status");
+ FILE *new_status_file = xfopen_for_write("/var/lib/dpkg/status.udeb");
char *package_name;
char *status_from_file;
char *control_buffer = NULL;
int i = 0;
/* Update previously known packages */
- while ((control_buffer = 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 = bb_xstrndup(tmp_string, strcspn(tmp_string, "\n\0"));
+ package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n"));
write_flag = FALSE;
tmp_string = strstr(control_buffer, "Status:");
if (tmp_string != NULL) {
- /* Seperate the status value from the control buffer */
+ /* Separate the status value from the control buffer */
tmp_string += 7;
tmp_string += strspn(tmp_string, " \n\t");
- status_from_file = bb_xstrndup(tmp_string, strcspn(tmp_string, "\n"));
+ status_from_file = xstrndup(tmp_string, strcspn(tmp_string, "\n"));
} else {
status_from_file = 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) {
- bb_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 (field_name == NULL) {
break;
}
- if ((strcmp(field_name, "Priority") == 0) ||
- (strcmp(field_name, "Section") == 0)) {
+ if ((strcmp(field_name, "Priority") == 0)
+ || (strcmp(field_name, "Section") == 0)
+ ) {
fprintf(new_status_file, "%s: %s\n", field_name, field_value);
}
}
write_flag = TRUE;
fputs("\n", new_status_file);
}
- else if (strcmp("config-files", name_hashtable[state_status]) == 0) {
+ else if (strcmp("config-files", name_hashtable[state_status]) == 0) {
/* only change the status line */
while (1) {
char *field_name;
}
}
/* If the package from the status file wasnt handle above, do it now*/
- if (! write_flag) {
+ if (!write_flag) {
fprintf(new_status_file, "%s\n\n", control_buffer);
}
}
/* 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 separate backfile to dpkg */
if (rename("/var/lib/dpkg/status", "/var/lib/dpkg/status.udeb.bak") == -1) {
- struct stat stat_buf;
- xstat("/var/lib/dpkg/status", &stat_buf);
+ if (errno != ENOENT)
+ bb_error_msg_and_die("can't create backup status file");
/* Its ok if renaming the status file fails because status
* file doesnt exist, maybe we are starting from scratch */
- bb_error_msg("No status file found, creating new one");
+ bb_error_msg("no status file found, creating new one");
}
- if (rename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status") == -1) {
- bb_error_msg_and_die("DANGER: 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
/* status could be unknown if package is a pure virtual
* provides which cannot satisfy any dependency by itself.
*/
- if ( status_hashtable[status_num] == NULL )
+ 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");
+ case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed");
+ case EDGE_DEPENDS: return get_status(status_num, 1) == search_name_hashtable("install");
}
return 0;
}
-static int check_deps(deb_file_t **deb_file, int deb_start, int dep_max_count)
+static int check_deps(deb_file_t **deb_file, int deb_start /*, int dep_max_count - ?? */)
{
int *conflicts = NULL;
int conflicts_num = 0;
/* 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));
+ const unsigned package_num = deb_file[i]->package;
+ conflicts = xrealloc_vector(conflicts, 2, conflicts_num);
conflicts[conflicts_num] = package_num;
conflicts_num++;
/* add provides to conflicts list */
- for (j = 0; j < package_hashtable[package_num]->num_of_edges; j++) {
+ for (j = 0; j < package_hashtable[package_num]->num_of_edges; j++) {
if (package_hashtable[package_num]->edge[j]->type == EDGE_PROVIDES) {
const int conflicts_package_num = search_package_hashtable(
package_hashtable[package_num]->edge[j]->name,
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 *) xzalloc(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;
package_hashtable[conflicts_package_num] = new_node;
}
- conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
+ conflicts = xrealloc_vector(conflicts, 2, conflicts_num);
conflicts[conflicts_num] = conflicts_package_num;
conflicts_num++;
}
const edge_t *package_edge = package_node->edge[j];
if (package_edge->type == EDGE_CONFLICTS) {
- const unsigned int package_num =
+ const unsigned package_num =
search_package_hashtable(package_edge->name,
- package_edge->version,
- package_edge->operator);
+ package_edge->version,
+ package_edge->operator);
int result = 0;
if (package_hashtable[package_num] != NULL) {
status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]);
}
if (result) {
- bb_error_msg_and_die("Package %s conflicts with %s",
+ bb_error_msg_and_die("package %s conflicts with %s",
name_hashtable[package_node->name],
name_hashtable[package_edge->name]);
}
* package is a virtual one. In which case there are
* no dependencies to check.
*/
- if ( package_node == NULL ) continue;
+ if (package_node == NULL) continue;
status_num = search_status_hashtable(name_hashtable[package_node->name]);
* virtual one provided by something else. In which
* case there are no dependencies to check.
*/
- if ( status_hashtable[status_num] == NULL ) continue;
+ if (status_hashtable[status_num] == NULL) continue;
/* If we don't want this package installed then we may
* as well ignore it's dependencies.
*/
for (j = 0; j < package_node->num_of_edges; j++) {
const edge_t *package_edge = package_node->edge[j];
- unsigned int package_num;
+ unsigned package_num;
- if ( package_edge->type == EDGE_OR_PRE_DEPENDS ||
- package_edge->type == EDGE_OR_DEPENDS ) { /* start an EDGE_OR_ list */
+ if (package_edge->type == EDGE_OR_PRE_DEPENDS
+ || package_edge->type == EDGE_OR_DEPENDS
+ ) {
+ /* start an EDGE_OR_ list */
number_of_alternatives = package_edge->version;
root_of_alternatives = package_edge;
continue;
- } else if ( number_of_alternatives == 0 ) { /* not in the middle of an EDGE_OR_ list */
+ }
+ if (number_of_alternatives == 0) { /* not in the middle of an EDGE_OR_ list */
number_of_alternatives = 1;
root_of_alternatives = NULL;
}
package_num = search_package_hashtable(package_edge->name, package_edge->version, package_edge->operator);
- if (package_edge->type == EDGE_PRE_DEPENDS ||
- package_edge->type == EDGE_DEPENDS ) {
+ if (package_edge->type == EDGE_PRE_DEPENDS
+ || package_edge->type == EDGE_DEPENDS
+ ) {
int result=1;
status_num = 0;
* 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 \n",
- package_edge->type, root_of_alternatives->type);
+ 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 ) {
- printf("Have a provider but no package information for it\n");
+ 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 )
+ if (result == 0)
break;
}
}
/* It must be already installed, or to be installed */
number_of_alternatives--;
if (result && number_of_alternatives == 0) {
- if ( root_of_alternatives )
+ if (root_of_alternatives)
bb_error_msg_and_die(
- "Package %s %sdepends on %s, "
+ "package %s %sdepends on %s, "
"which cannot be satisfied",
name_hashtable[package_node->name],
package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
name_hashtable[root_of_alternatives->name]);
- else
- bb_error_msg_and_die(
- "Package %s %sdepends on %s, which %s\n",
- name_hashtable[package_node->name],
- package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
- name_hashtable[package_edge->name],
- describe_status(status_num));
- } else if ( result == 0 && number_of_alternatives ) {
+ bb_error_msg_and_die(
+ "package %s %sdepends on %s, which %s\n",
+ name_hashtable[package_node->name],
+ package_edge->type == EDGE_PRE_DEPENDS ? "pre-" : "",
+ name_hashtable[package_edge->name],
+ describe_status(status_num));
+ }
+ if (result == 0 && number_of_alternatives) {
/* we've found a package which
* satisfies the dependency,
* so skip over the rest of
}
}
free(conflicts);
- return(TRUE);
+ return TRUE;
}
static char **create_list(const char *filename)
{
FILE *list_stream;
- char **file_list = NULL;
- char *line = NULL;
- int count = 0;
+ char **file_list;
+ char *line;
+ int count;
/* don't use [xw]fopen here, handle error ourself */
- list_stream = fopen(filename, "r");
+ list_stream = fopen_for_read(filename);
if (list_stream == NULL) {
- return(NULL);
+ return NULL;
}
- while ((line = bb_get_chomped_line_from_file(list_stream)) != NULL) {
- file_list = xrealloc(file_list, sizeof(char *) * (count + 2));
- file_list[count] = line;
- count++;
+ file_list = NULL;
+ count = 0;
+ while ((line = xmalloc_fgetline(list_stream)) != NULL) {
+ file_list = xrealloc_vector(file_list, 2, count);
+ file_list[count++] = line;
+ /*file_list[count] = NULL; - xrealloc_vector did it */
}
fclose(list_stream);
- if (count == 0) {
- return(NULL);
- } else {
- file_list[count] = NULL;
- return(file_list);
- }
+ return file_list;
}
/* maybe i should try and hook this into remove_file.c somehow */
static int remove_file_array(char **remove_names, char **exclude_names)
{
struct stat path_stat;
- int match_flag;
- int remove_flag = FALSE;
- int i,j;
+ int remove_flag = 1; /* not removed anything yet */
+ int i, j;
if (remove_names == NULL) {
- return(FALSE);
+ return 0;
}
for (i = 0; remove_names[i] != NULL; i++) {
- match_flag = FALSE;
if (exclude_names != NULL) {
- for (j = 0; exclude_names[j] != 0; j++) {
+ for (j = 0; exclude_names[j] != NULL; j++) {
if (strcmp(remove_names[i], exclude_names[j]) == 0) {
- match_flag = TRUE;
- break;
+ goto skip;
}
}
}
- if (!match_flag) {
- if (lstat(remove_names[i], &path_stat) < 0) {
- continue;
- }
- if (S_ISDIR(path_stat.st_mode)) {
- if (rmdir(remove_names[i]) != -1) {
- remove_flag = TRUE;
- }
- } else {
- if (unlink(remove_names[i]) != -1) {
- remove_flag = TRUE;
- }
- }
+ /* TODO: why we are checking lstat? we can just try rm/rmdir */
+ if (lstat(remove_names[i], &path_stat) < 0) {
+ continue;
+ }
+ if (S_ISDIR(path_stat.st_mode)) {
+ remove_flag &= rmdir(remove_names[i]); /* 0 if no error */
+ } else {
+ remove_flag &= unlink(remove_names[i]); /* 0 if no error */
}
+ skip:
+ continue;
}
- return(remove_flag);
+ return (remove_flag == 0);
}
-static int run_package_script(const char *package_name, const char *script_type)
+static void run_package_script_or_die(const char *package_name, const char *script_type)
{
- struct stat path_stat;
char *script_path;
int result;
- script_path = bb_xasprintf("/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 */
- result = lstat(script_path, &path_stat) < 0 ? EXIT_SUCCESS : system(script_path);
+ /* If the file doesnt exist is isnt fatal */
+ result = access(script_path, F_OK) ? EXIT_SUCCESS : system(script_path);
free(script_path);
- return(result);
+ if (result)
+ bb_error_msg_and_die("%s failed, exit code %d", script_type, result);
}
-static const char *all_control_files[] = {"preinst", "postinst", "prerm", "postrm",
- "list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
+/*
+The policy manual defines what scripts get called when and with
+what arguments. I realize that busybox does not support all of
+these scenarios, but it does support some of them; it does not,
+however, run them with any parameters in run_package_script_or_die().
+Here are the scripts:
+
+preinst install
+preinst install <old_version>
+preinst upgrade <old_version>
+preinst abort_upgrade <new_version>
+postinst configure <most_recent_version>
+postinst abort-upgade <new_version>
+postinst abort-remove
+postinst abort-remove in-favour <package> <version>
+postinst abort-deconfigure in-favor <failed_install_package> removing <conflicting_package> <version>
+prerm remove
+prerm upgrade <new_version>
+prerm failed-upgrade <old_version>
+prerm remove in-favor <package> <new_version>
+prerm deconfigure in-favour <package> <version> removing <package> <version>
+postrm remove
+postrm purge
+postrm upgrade <new_version>
+postrm failed-upgrade <old_version>
+postrm abort-install
+postrm abort-install <old_version>
+postrm abort-upgrade <old_version>
+postrm disappear <overwriter> <version>
+*/
+static const char *const all_control_files[] = {
+ "preinst", "postinst", "prerm", "postrm",
+ "list", "md5sums", "shlibs", "conffiles",
+ "config", "templates"
+};
static char **all_control_list(const char *package_name)
{
- unsigned short i = 0;
+ unsigned i = 0;
char **remove_files;
/* Create a list of all /var/lib/dpkg/info/<package> files */
- remove_files = xzalloc(sizeof(all_control_files));
- while (all_control_files[i]) {
- remove_files[i] = bb_xasprintf("/var/lib/dpkg/info/%s.%s", package_name, all_control_files[i]);
+ remove_files = xzalloc(sizeof(all_control_files) + sizeof(char*));
+ while (i < ARRAY_SIZE(all_control_files)) {
+ remove_files[i] = xasprintf("/var/lib/dpkg/info/%s.%s",
+ package_name, all_control_files[i]);
i++;
}
- return(remove_files);
+ return remove_files;
}
static void free_array(char **array)
{
-
if (array) {
- unsigned short i = 0;
+ unsigned i = 0;
while (array[i]) {
free(array[i]);
i++;
* the status_hashtable to retrieve the info. This results in smaller code than
* scanning the status file. The resulting list, however, is unsorted.
*/
-static void list_packages(void)
+static void list_packages(const char *pattern)
{
int i;
- printf(" Name Version\n");
- printf("+++-==============-==============\n");
+ puts(" Name Version");
+ puts("+++-==============-==============");
/* 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 */
+ 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 */
name_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->name];
vers_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->version];
+ if (pattern && fnmatch(pattern, name_str, 0) != 0)
+ continue;
+
/* get abbreviation for status field 1 */
s1 = stat_str[0] == 'i' ? 'i' : 'r';
/* get abbreviation for status field 2 */
- for (j=0, spccnt=0; stat_str[j] && spccnt<2; j++) {
- 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);
}
- }
+ }
}
-static void remove_package(const unsigned int package_num, int noisy)
+static void remove_package(const unsigned package_num, int noisy)
{
const char *package_name = name_hashtable[package_hashtable[package_num]->name];
const char *package_version = name_hashtable[package_hashtable[package_num]->version];
- const unsigned int status_num = search_status_hashtable(package_name);
+ 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;
- if ( noisy )
- printf("Removing %s (%s) ...\n", package_name, package_version);
+ if (noisy)
+ printf("Removing %s (%s)...\n", package_name, package_version);
- /* run prerm script */
- return_value = run_package_script(package_name, "prerm");
- if (return_value == -1) {
- bb_error_msg_and_die("script failed, prerm failure");
- }
+ /* Run prerm script */
+ run_package_script_or_die(package_name, "prerm");
/* Create a list of files to remove, and a separate list of those to keep */
- sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
+ sprintf(list_name, "/var/lib/dpkg/info/%s.%s", package_name, "list");
remove_files = create_list(list_name);
- sprintf(conffile_name, "/var/lib/dpkg/info/%s.conffiles", package_name);
+ sprintf(conffile_name, "/var/lib/dpkg/info/%s.%s", package_name, "conffiles");
exclude_files = create_list(conffile_name);
- /* Some directories cant be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files));
+ /* Some directories can't be removed straight away, so do multiple passes */
+ while (remove_file_array(remove_files, exclude_files))
+ continue;
free_array(exclude_files);
free_array(remove_files);
- /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
- exclude_files = xzalloc(sizeof(char*) * 3);
- exclude_files[0] = bb_xstrdup(conffile_name);
- exclude_files[1] = bb_xasprintf("/var/lib/dpkg/info/%s.postrm", package_name);
+ /* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
+ exclude_files = xzalloc(sizeof(exclude_files[0]) * 3);
+ exclude_files[0] = xstrdup(conffile_name);
+ exclude_files[1] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "postrm");
/* Create a list of all /var/lib/dpkg/info/<package> files */
remove_files = all_control_list(package_name);
free_array(remove_files);
free_array(exclude_files);
- /* rename <package>.conffile to <package>.list */
+ /* rename <package>.conffiles to <package>.list
+ * The conffiles control file isn't required in Debian packages, so don't
+ * error out if it's missing. */
rename(conffile_name, list_name);
/* Change package status */
set_status(status_num, "config-files", 3);
}
-static 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 char *package_version = name_hashtable[package_hashtable[package_num]->version];
- const unsigned int status_num = search_status_hashtable(package_name);
+ 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);
+ printf("Purging %s (%s)...\n", package_name, package_version);
- /* run prerm script */
- if (run_package_script(package_name, "prerm") != 0) {
- bb_error_msg_and_die("script failed, prerm failure");
- }
+ /* Run prerm script */
+ run_package_script_or_die(package_name, "prerm");
/* Create a list of files to remove */
- sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
+ sprintf(list_name, "/var/lib/dpkg/info/%s.%s", package_name, "list");
remove_files = create_list(list_name);
- exclude_files = xzalloc(sizeof(char*));
-
/* Some directories cant be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files));
+ while (remove_file_array(remove_files, NULL))
+ continue;
free_array(remove_files);
/* Create a list of all /var/lib/dpkg/info/<package> files */
remove_files = all_control_list(package_name);
+
+ /* Delete all of them except the postrm script */
+ exclude_files = xzalloc(sizeof(exclude_files[0]) * 2);
+ exclude_files[0] = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "postrm");
remove_file_array(remove_files, exclude_files);
- free_array(remove_files);
- free(exclude_files);
+ free_array(exclude_files);
- /* run postrm script */
- if (run_package_script(package_name, "postrm") == -1) {
- bb_error_msg_and_die("postrm fialure.. set status to what?");
- }
+ /* Run and remove postrm script */
+ run_package_script_or_die(package_name, "postrm");
+ remove_file_array(remove_files, NULL);
+
+ free_array(remove_files);
/* Change package status */
set_status(status_num, "not-installed", 3);
/* 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 = bb_xopen(filename, O_RDONLY);
+ ar_handle->src_fd = xopen(filename, O_RDONLY);
- return(ar_handle);
+ return ar_handle;
}
static void init_archive_deb_control(archive_handle_t *ar_handle)
tar_handle->src_fd = ar_handle->src_fd;
/* We don't care about data.tar.* or debian-binary, just control.tar.* */
-#ifdef CONFIG_FEATURE_DEB_TAR_GZ
- llist_add_to(&(ar_handle->accept), "control.tar.gz");
+#if ENABLE_FEATURE_SEAMLESS_GZ
+ llist_add_to(&(ar_handle->accept), (char*)"control.tar.gz");
#endif
-#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
- llist_add_to(&(ar_handle->accept), "control.tar.bz2");
+#if ENABLE_FEATURE_SEAMLESS_BZ2
+ llist_add_to(&(ar_handle->accept), (char*)"control.tar.bz2");
#endif
/* Assign the tar handle as a subarchive of the ar handle */
- ar_handle->sub_archive = tar_handle;
-
- return;
+ ar_handle->dpkg__sub_archive = tar_handle;
}
static void init_archive_deb_data(archive_handle_t *ar_handle)
tar_handle->src_fd = ar_handle->src_fd;
/* We don't care about control.tar.* or debian-binary, just data.tar.* */
-#ifdef CONFIG_FEATURE_DEB_TAR_GZ
- llist_add_to(&(ar_handle->accept), "data.tar.gz");
+#if ENABLE_FEATURE_SEAMLESS_GZ
+ llist_add_to(&(ar_handle->accept), (char*)"data.tar.gz");
#endif
-#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
- llist_add_to(&(ar_handle->accept), "data.tar.bz2");
+#if ENABLE_FEATURE_SEAMLESS_BZ2
+ llist_add_to(&(ar_handle->accept), (char*)"data.tar.bz2");
#endif
/* Assign the tar handle as a subarchive of the ar handle */
- ar_handle->sub_archive = tar_handle;
+ ar_handle->dpkg__sub_archive = tar_handle;
+}
- return;
+static void FAST_FUNC data_extract_to_buffer(archive_handle_t *archive_handle)
+{
+ unsigned size = archive_handle->file_header->size;
+
+ archive_handle->dpkg__buffer = xzalloc(size + 1);
+ xread(archive_handle->src_fd, archive_handle->dpkg__buffer, size);
}
static char *deb_extract_control_file_to_buffer(archive_handle_t *ar_handle, llist_t *myaccept)
{
- ar_handle->sub_archive->action_data = data_extract_to_buffer;
- ar_handle->sub_archive->accept = myaccept;
- ar_handle->sub_archive->filter = filter_accept_list;
+ ar_handle->dpkg__sub_archive->action_data = data_extract_to_buffer;
+ ar_handle->dpkg__sub_archive->accept = myaccept;
+ ar_handle->dpkg__sub_archive->filter = filter_accept_list;
unpack_ar_archive(ar_handle);
close(ar_handle->src_fd);
- return(ar_handle->sub_archive->buffer);
+ return ar_handle->dpkg__sub_archive->dpkg__buffer;
}
-static void data_extract_all_prefix(archive_handle_t *archive_handle)
+static void append_control_file_to_llist(const char *package_name, const char *control_name, llist_t **ll)
+{
+ FILE *fp;
+ char *filename, *line;
+
+ filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, control_name);
+ fp = fopen_for_read(filename);
+ free(filename);
+ if (fp != NULL) {
+ while ((line = xmalloc_fgetline(fp)) != NULL)
+ llist_add_to(ll, line);
+ fclose(fp);
+ }
+}
+
+static char FAST_FUNC filter_rename_config(archive_handle_t *archive_handle)
+{
+ int fd;
+ char *name_ptr = archive_handle->file_header->name + 1;
+
+ /* Is this file marked as config file? */
+ if (!find_list_entry(archive_handle->accept, name_ptr))
+ return EXIT_SUCCESS; /* no */
+
+ fd = open(name_ptr, O_RDONLY);
+ if (fd >= 0) {
+ md5_ctx_t md5;
+ char *md5line, *buf;
+ int count;
+
+ /* Calculate MD5 of existing file */
+ buf = xmalloc(4096);
+ md5_begin(&md5);
+ while ((count = safe_read(fd, buf, 4096)) > 0)
+ md5_hash(&md5, buf, count);
+ md5_end(&md5, buf); /* using buf as result storage */
+ close(fd);
+
+ md5line = xmalloc(16 * 2 + 2 + strlen(name_ptr) + 1);
+ sprintf(bin2hex(md5line, buf, 16), " %s", name_ptr);
+ free(buf);
+
+ /* Is it changed after install? */
+ if (find_list_entry(archive_handle->accept, md5line) == NULL) {
+ printf("Warning: Creating %s as %s.dpkg-new\n", name_ptr, name_ptr);
+ archive_handle->file_header->name = xasprintf("%s.dpkg-new", archive_handle->file_header->name);
+ }
+ free(md5line);
+ }
+ return EXIT_SUCCESS;
+}
+
+static void FAST_FUNC data_extract_all_prefix(archive_handle_t *archive_handle)
{
char *name_ptr = archive_handle->file_header->name;
- name_ptr += strspn(name_ptr, "./");
+ /* Skip all leading "/" */
+ while (*name_ptr == '/')
+ name_ptr++;
+ /* Skip all leading "./" and "../" */
+ while (name_ptr[0] == '.') {
+ if (name_ptr[1] == '.')
+ name_ptr++;
+ if (name_ptr[1] != '/')
+ break;
+ name_ptr += 2;
+ }
+
if (name_ptr[0] != '\0') {
- archive_handle->file_header->name = bb_xasprintf("%s%s", archive_handle->buffer, name_ptr);
+ archive_handle->file_header->name = xasprintf("%s%s", archive_handle->dpkg__buffer, name_ptr);
data_extract_all(archive_handle);
+ if (fnmatch("*.dpkg-new", archive_handle->file_header->name, 0) == 0) {
+ /* remove .dpkg-new suffix */
+ archive_handle->file_header->name[strlen(archive_handle->file_header->name) - 9] = '\0';
+ }
}
- return;
}
+enum {
+ /* Commands */
+ OPT_configure = (1 << 0),
+ OPT_install = (1 << 1),
+ OPT_list_installed = (1 << 2),
+ OPT_purge = (1 << 3),
+ OPT_remove = (1 << 4),
+ OPT_unpack = (1 << 5),
+ OPTMASK_cmd = (1 << 6) - 1,
+ /* Options */
+ OPT_force = (1 << 6),
+ OPT_force_ignore_depends = (1 << 7),
+ OPT_force_confnew = (1 << 8),
+ OPT_force_confold = (1 << 9),
+};
+
static void unpack_package(deb_file_t *deb_file)
{
const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
- const unsigned int status_num = search_status_hashtable(package_name);
- const unsigned int status_package_num = status_hashtable[status_num]->package;
+ 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;
+ llist_t *accept_list;
+ llist_t *conffile_list;
+ int i;
/* If existing version, remove it first */
+ conffile_list = NULL;
if (strcmp(name_hashtable[get_status(status_num, 3)], "installed") == 0) {
/* Package is already installed, remove old version first */
- printf("Preparing to replace %s %s (using %s) ...\n", package_name,
+ printf("Preparing to replace %s %s (using %s)...\n", package_name,
name_hashtable[package_hashtable[status_package_num]->version],
deb_file->filename);
+
+ /* Read md5sums from old package */
+ if (!(option_mask32 & OPT_force_confold))
+ append_control_file_to_llist(package_name, "md5sums", &conffile_list);
+
remove_package(status_package_num, 0);
} else {
- printf("Unpacking %s (from %s) ...\n", package_name, deb_file->filename);
+ printf("Unpacking %s (from %s)...\n", package_name, deb_file->filename);
}
/* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */
- info_prefix = bb_xasprintf("/var/lib/dpkg/info/%s.", package_name);
+ info_prefix = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "");
archive_handle = init_archive_deb_ar(deb_file->filename);
init_archive_deb_control(archive_handle);
- while(all_control_files[i]) {
- char *c = bb_xasprintf("./%s", all_control_files[i]);
+ accept_list = NULL;
+ i = 0;
+ while (i < ARRAY_SIZE(all_control_files)) {
+ char *c = xasprintf("./%s", all_control_files[i]);
llist_add_to(&accept_list, c);
i++;
}
- archive_handle->sub_archive->accept = accept_list;
- archive_handle->sub_archive->filter = filter_accept_list;
- archive_handle->sub_archive->action_data = data_extract_all_prefix;
- archive_handle->sub_archive->buffer = info_prefix;
- archive_handle->sub_archive->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
+ archive_handle->dpkg__sub_archive->accept = accept_list;
+ archive_handle->dpkg__sub_archive->filter = filter_accept_list;
+ archive_handle->dpkg__sub_archive->action_data = data_extract_all_prefix;
+ archive_handle->dpkg__sub_archive->dpkg__buffer = info_prefix;
+ archive_handle->dpkg__sub_archive->ah_flags |= ARCHIVE_UNLINK_OLD;
unpack_ar_archive(archive_handle);
/* Run the preinst prior to extracting */
- if (run_package_script(package_name, "preinst") != 0) {
- /* when preinst returns exit code != 0 then quit installation process */
- bb_error_msg_and_die("subprocess pre-installation script returned error.");
- }
+ run_package_script_or_die(package_name, "preinst");
+
+ /* Don't overwrite existing config files */
+ if (!(option_mask32 & OPT_force_confnew))
+ append_control_file_to_llist(package_name, "conffiles", &conffile_list);
/* Extract data.tar.gz to the root directory */
archive_handle = init_archive_deb_ar(deb_file->filename);
init_archive_deb_data(archive_handle);
- archive_handle->sub_archive->action_data = data_extract_all_prefix;
- archive_handle->sub_archive->buffer = "/";
- archive_handle->sub_archive->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
+ archive_handle->dpkg__sub_archive->accept = conffile_list;
+ /* Why ARCHIVE_REMEMBER_NAMES?
+ * We want names collected in ->passed list even if conffile_list
+ * is NULL (otherwise get_header_tar may optimize name saving out):
+ */
+ archive_handle->dpkg__sub_archive->ah_flags |= ARCHIVE_REMEMBER_NAMES | ARCHIVE_UNLINK_OLD;
+ archive_handle->dpkg__sub_archive->filter = filter_rename_config;
+ archive_handle->dpkg__sub_archive->action_data = data_extract_all_prefix;
+ archive_handle->dpkg__sub_archive->dpkg__buffer = (char*)"/"; /* huh? */
unpack_ar_archive(archive_handle);
/* Create the list file */
- strcat(info_prefix, "list");
- out_stream = bb_xfopen(info_prefix, "w");
- while (archive_handle->sub_archive->passed) {
+ list_filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "list");
+ out_stream = xfopen_for_write(list_filename);
+ archive_handle->dpkg__sub_archive->passed = llist_rev(archive_handle->dpkg__sub_archive->passed);
+ while (archive_handle->dpkg__sub_archive->passed) {
+ char *filename = llist_pop(&archive_handle->dpkg__sub_archive->passed);
/* the leading . has been stripped by data_extract_all_prefix already */
- fputs(archive_handle->sub_archive->passed->data, out_stream);
- fputc('\n', out_stream);
- archive_handle->sub_archive->passed = archive_handle->sub_archive->passed->link;
+ fprintf(out_stream, "%s\n", filename);
+ free(filename);
}
fclose(out_stream);
set_status(status_num, "unpacked", 3);
free(info_prefix);
+ free(list_filename);
}
static void configure_package(deb_file_t *deb_file)
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 */
- bb_error_msg_and_die("postrm failure.. set status to what?");
- }
+ /* TODO: handle failure gracefully */
+ run_package_script_or_die(package_name, "postinst");
+
/* Change status to reflect success */
set_status(status_num, "install", 1);
set_status(status_num, "installed", 3);
}
-int dpkg_main(int argc, char **argv)
+int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int dpkg_main(int argc UNUSED_PARAM, char **argv)
{
deb_file_t **deb_file = NULL;
status_node_t *status_node;
+ char *str_f;
int opt;
int package_num;
- int dpkg_opt = 0;
int deb_count = 0;
int state_status;
int status_num;
int i;
+#if ENABLE_LONG_OPTS
+ static const char dpkg_longopts[] ALIGN1 =
+// FIXME: we use -C non-compatibly, should be:
+// "-C|--audit Check for broken package(s)"
+ "configure\0" No_argument "C"
+ "force\0" Required_argument "F"
+ "install\0" No_argument "i"
+ "list\0" No_argument "l"
+ "purge\0" No_argument "P"
+ "remove\0" No_argument "r"
+ "unpack\0" No_argument "u"
+ "force-depends\0" No_argument "\xff"
+ "force-confnew\0" No_argument "\xfe"
+ "force-confold\0" No_argument "\xfd"
+ ;
+#endif
- 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;
- }
- break;
- 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:
- bb_show_usage();
- }
+ INIT_G();
+
+ IF_LONG_OPTS(applet_long_options = dpkg_longopts);
+ opt = getopt32(argv, "CilPruF:", &str_f);
+ argv += optind;
+ //if (opt & OPT_configure) ... // -C
+ if (opt & OPT_force) { // -F (--force in official dpkg)
+ if (strcmp(str_f, "depends") == 0)
+ opt |= OPT_force_ignore_depends;
+ else if (strcmp(str_f, "confnew") == 0)
+ opt |= OPT_force_confnew;
+ else if (strcmp(str_f, "confold") == 0)
+ opt |= OPT_force_confold;
+ else
+ bb_show_usage();
+ option_mask32 = opt;
}
- /* check for non-otion argument if expected */
- if ((dpkg_opt == 0) || ((argc == optind) && !(dpkg_opt && dpkg_opt_list_installed))) {
+ //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)
+ if (!(opt & OPTMASK_cmd) /* no cmd */
+ || ((opt & OPTMASK_cmd) & ((opt & OPTMASK_cmd)-1)) /* more than one cmd */
+ ) {
bb_show_usage();
}
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) {
- list_packages();
- return(EXIT_SUCCESS);
+ if (opt & OPT_list_installed) {
+ list_packages(argv[0]); /* param can be NULL */
+ return EXIT_SUCCESS;
}
/* Read arguments and store relevant info in structs */
- while (optind < argc) {
+ while (*argv) {
/* deb_count = nb_elem - 1 and we need nb_elem + 1 to allocate terminal node [NULL pointer] */
- deb_file = xrealloc(deb_file, sizeof(deb_file_t *) * (deb_count + 2));
- deb_file[deb_count] = (deb_file_t *) xzalloc(sizeof(deb_file_t));
- if (dpkg_opt & dpkg_opt_filename) {
+ deb_file = xrealloc_vector(deb_file, 2, deb_count);
+ deb_file[deb_count] = xzalloc(sizeof(deb_file[0][0]));
+ if (opt & (OPT_install | OPT_unpack)) {
+ /* -i/-u: require filename */
archive_handle_t *archive_handle;
llist_t *control_list = NULL;
/* Extract the control file */
- llist_add_to(&control_list, "./control");
- archive_handle = init_archive_deb_ar(argv[optind]);
+ 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) {
- bb_error_msg_and_die("Couldnt extract control file");
+ bb_error_msg_and_die("can't extract control file");
}
- deb_file[deb_count]->filename = bb_xstrdup(argv[optind]);
+ deb_file[deb_count]->filename = xstrdup(argv[0]);
package_num = fill_package_struct(deb_file[deb_count]->control_file);
if (package_num == -1) {
- bb_error_msg("Invalid control file in %s", argv[optind]);
- optind++;
+ bb_error_msg("invalid control file in %s", argv[0]);
+ argv++;
continue;
}
- deb_file[deb_count]->package = (unsigned int) package_num;
+ deb_file[deb_count]->package = (unsigned) package_num;
/* Add the package to the status hashtable */
- if ((dpkg_opt & dpkg_opt_unpack) || (dpkg_opt & dpkg_opt_install)) {
+ if (opt & (OPT_unpack | OPT_install)) {
/* Try and find a currently installed version of this package */
status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
/* If no previous entry was found initialise a new entry */
- if ((status_hashtable[status_num] == NULL) ||
- (status_hashtable[status_num]->status == 0)) {
- status_node = (status_node_t *) xmalloc(sizeof(status_node_t));
+ 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*/
set_status(status_num, "reinstreq", 2);
}
}
- }
- else if (dpkg_opt & dpkg_opt_package_name) {
+ } else if (opt & (OPT_configure | OPT_purge | OPT_remove)) {
+ /* -C/-p/-r: require package name */
deb_file[deb_count]->package = search_package_hashtable(
- search_name_hashtable(argv[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) {
- bb_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]);
}
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)) {
- bb_error_msg_and_die("%s is already removed.", name_hashtable[package_hashtable[package_num]->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]);
}
set_status(status_num, "deinstall", 1);
- }
- else if (dpkg_opt & dpkg_opt_purge) {
+ } else if (opt & OPT_purge) {
/* if package status is "conf-files" then its ok */
if (strcmp(name_hashtable[state_status], "not-installed") == 0) {
- bb_error_msg_and_die("%s is already purged.", name_hashtable[package_hashtable[package_num]->name]);
+ 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 */
- if ((dpkg_opt & dpkg_opt_force_ignore_depends) != dpkg_opt_force_ignore_depends) {
- if (!check_deps(deb_file, 0, deb_count)) {
- bb_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) {
+ 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]);
/* 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 (dpkg_opt & dpkg_opt_install) {
+ 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]);
- }
+ 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);
+ free(deb_file);
- for (i = 0; i < NAME_HASH_PRIME; i++) {
- free(name_hashtable[i]);
- }
+ for (i = 0; i < NAME_HASH_PRIME; i++) {
+ free(name_hashtable[i]);
+ }
- for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
- if (package_hashtable[i] != NULL) {
+ for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
free_package(package_hashtable[i]);
}
- }
- for (i = 0; i < STATUS_HASH_PRIME; i++) {
- free(status_hashtable[i]);
+ 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;
}
-