* Mini dpkg implementation for busybox.
* This is not meant as a replacemnt for dpkg
*
+ * Written By Glenn McGrath with the help of others
* Copyright (C) 2001 by Glenn McGrath
*
* Started life as a busybox implementation of udpkg
*
*/
+#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,
{
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) {
}
}
}
- name_hashtable[probe_address] = xstrdup(key);
-
+ name_hashtable[probe_address] = bb_xstrdup(key);
return(probe_address);
}
int tmp_int;
int ver_num1;
int ver_num2;
+ int ret;
if (version1 == NULL) {
- version1 = xstrdup("");
+ version1 = bb_xstrdup("");
}
- if (version2 != NULL) {
- version2 = 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 = xstrndup(&version1[len1], tmp_int);
+ name1_char = bb_xstrndup(&version1[len1], tmp_int);
len1 += tmp_int;
tmp_int = strcspn(&version2[len2], "0123456789");
- name2_char = xstrndup(&version2[len2], tmp_int);
+ 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) {
- return(tmp_int);
+ ret = tmp_int;
+ goto cleanup_version_compare_part;
}
/* Compare digits */
tmp_int = strspn(&version1[len1], "0123456789");
- name1_char = xstrndup(&version1[len1], tmp_int);
+ name1_char = bb_xstrndup(&version1[len1], tmp_int);
len1 += tmp_int;
tmp_int = strspn(&version2[len2], "0123456789");
- name2_char = xstrndup(&version2[len2], tmp_int);
+ 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) {
- return(-1);
+ ret = -1;
+ goto cleanup_version_compare_part;
}
else if (ver_num1 > ver_num2) {
- return(1);
+ ret = 1;
+ goto cleanup_version_compare_part;
}
}
- return(0);
+ ret = 0;
+cleanup_version_compare_part:
+ return(ret);
}
/* if ver1 < ver2 return -1,
}
/* Compare upstream version */
- upstream_ver1 = xstrdup(ver1_ptr);
- upstream_ver2 = xstrdup(ver2_ptr);
+ upstream_ver1 = bb_xstrdup(ver1_ptr);
+ upstream_ver2 = bb_xstrdup(ver2_ptr);
/* Chop off debian version, and store for later use */
deb_ver1 = strrchr(upstream_ver1, '-');
*/
void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned int edge_type)
{
- char *line = xstrdup(whole_line);
+ char *line = bb_xstrdup(whole_line);
char *line2;
char *line_ptr1 = NULL;
char *line_ptr2 = NULL;
field = strtok_r(line, ",", &line_ptr1);
do {
- line2 = xstrdup(field);
+ line2 = bb_xstrdup(field);
field2 = strtok_r(line2, "|", &line_ptr2);
if ((edge_type == EDGE_DEPENDS) && (strcmp(field, field2) != 0)) {
type = EDGE_OR_DEPENDS;
else if (strncmp(version, ">=", offset_ch) == 0) {
edge->operator = VER_MORE_EQUAL;
} else {
- error_msg_and_die("Illegal operator\n");
+ bb_error_msg_and_die("Illegal operator\n");
}
}
/* skip to start of version numbers */
void free_package(common_node_t *node)
{
- int i;
- if (node != NULL) {
+ unsigned short i;
+ if (node) {
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);
- }
- if (node != NULL) {
- free(node);
+ free(node->edge[i]);
}
+ free(node->edge);
+ 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;
+ const char *field_names[] = { "Package", "Version", "Pre-Depends", "Depends",
+ "Replaces", "Provides", "Conflicts", "Suggests", "Recommends", "Enhances", 0};
char *field_name;
char *field_value;
int field_start = 0;
- int field_length;
- int seperator_offset;
int num = -1;
int buffer_length = strlen(control_buffer);
new_node->version = search_name_hashtable("unknown");
while (field_start < buffer_length) {
- field = read_package_field(&control_buffer[field_start]);
-
- /* Setup start point for next field */
- field_length = strlen(field);
- field_start += (field_length + 1);
+ unsigned short field_num;
- seperator_offset = strcspn(field, ":");
- field_name = xstrndup(field, seperator_offset);
- field_value = field + seperator_offset + 1;
- field_value += strspn(field_value, " \n\t");
+ field_start += read_package_field(&control_buffer[field_start],
+ &field_name, &field_value);
- 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);
+ if (field_name == NULL) {
+ goto fill_package_struct_cleanup; /* Oh no, the dreaded goto statement ! */
}
- 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);
+
+ 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;
}
+fill_package_struct_cleanup:
free(field_name);
- free(field);
+ free(field_value);
}
+
if (new_node->version == search_name_hashtable("unknown")) {
free_package(new_node);
return(-1);
status_string += strspn(status_string, " ");
}
len = strcspn(status_string, " \n\0");
- state_sub_string = xstrndup(status_string, len);
+ state_sub_string = bb_xstrndup(status_string, len);
state_sub_num = search_name_hashtable(state_sub_string);
free(state_sub_string);
return(state_sub_num);
status_len = new_value_len;
break;
default:
- error_msg_and_die("DEBUG ONLY: this shouldnt happen");
+ bb_error_msg_and_die("DEBUG ONLY: this shouldnt happen");
}
new_status = (char *) xmalloc(want_len + flag_len + status_len + 3);
sprintf(new_status, "%s %s %s", name_hashtable[want], name_hashtable[flag], name_hashtable[status]);
status_hashtable[status_node_num]->status = search_name_hashtable(new_status);
+ free(new_status);
return;
}
status_node_t *status_node = NULL;
unsigned int status_num;
- status_file = fopen(filename, "r");
+ 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);
if (package_num != -1) {
if (status_line != NULL) {
status_line += 7;
status_line += strspn(status_line, " \n\t");
- status_line = xstrndup(status_line, strcspn(status_line, "\n\0"));
+ status_line = bb_xstrndup(status_line, strcspn(status_line, "\n\0"));
status_node->status = search_name_hashtable(status_line);
free(status_line);
}
return(depends);
}
+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");
+ FILE *old_status_file = bb_xfopen("/var/lib/dpkg/status", "r");
+ FILE *new_status_file = bb_xfopen("/var/lib/dpkg/status.udeb", "w");
char *package_name;
char *status_from_file;
char *control_buffer = NULL;
char *tmp_string;
- char *field;
int status_num;
- int field_length;
int field_start = 0;
- int buffer_length;
int write_flag;
int i = 0;
/* Update previously known packages */
while ((control_buffer = fgets_str(old_status_file, "\n\n")) != NULL) {
- tmp_string = strstr(control_buffer, "Package:") + 8;
+ 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"));
+ package_name = bb_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"));
+ status_from_file = bb_xstrndup(tmp_string, strcspn(tmp_string, "\n"));
} else {
status_from_file = NULL;
}
i = 0;
while(deb_file[i] != NULL) {
if (strcmp(package_name, name_hashtable[package_hashtable[deb_file[i]->package]->name]) == 0) {
- char *last_char;
/* Write a status file entry with a modified status */
/* remove trailing \n's */
- while(1) {
- last_char = last_char_is(deb_file[i]->control_file, '\n');
- if (last_char) {
- *last_char = '\0';
- } else {
- break;
- }
- }
- fputs(deb_file[i]->control_file, new_status_file);
+ write_buffer_no_status(new_status_file, deb_file[i]->control_file);
set_status(status_num, "ok", 2);
- fprintf(new_status_file, "\nStatus: %s\n\n", name_hashtable[status_hashtable[status_num]->status]);
+ fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]);
write_flag = TRUE;
break;
}
}
/* This is temperary, debugging only */
if (deb_file[i] == NULL) {
- error_msg_and_die("ALERT: Couldnt find a control file, your status file may be broken, status may be incorrect for %s", package_name);
+ bb_error_msg_and_die("ALERT: 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);
- buffer_length = strlen(control_buffer);
- while (field_start < buffer_length) {
- field = read_package_field(&control_buffer[field_start]);
- field_length = strlen(field);
- field_start += (field_length + 1);
- if (strncmp(field, "Priority:", 9) == 0) {
- fprintf(new_status_file, "Priority:%s\n", field + 9);
+
+ 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 (strncmp(field, "Section:", 8) == 0) {
- fprintf(new_status_file, "Section:%s\n", field + 8);
+ 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;
}
else if (strcmp("config-files", name_hashtable[state_status]) == 0) {
/* only change the status line */
- buffer_length = strlen(control_buffer);
- while (field_start < buffer_length) {
- field = read_package_field(&control_buffer[field_start]);
+ 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 */
- field_length = strlen(field);
- field_start += (field_length + 1);
- if (strncmp(field, "Status:", 7) == 0) {
+ if (strcmp(field_name, "Status") == 0) {
fprintf(new_status_file, "Status: %s\n", status_from_hashtable);
} else {
- fprintf(new_status_file, "%s\n", field);
+ fprintf(new_status_file, "%s: %s\n", field_name, field_value);
}
- free(field);
}
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) {
+ if (! write_flag) {
fprintf(new_status_file, "%s\n\n", control_buffer);
}
- if (status_from_file != NULL) {
- free(status_from_file);
- }
+ free(status_from_file);
free(package_name);
free(control_buffer);
}
+
/* Write any new packages */
for(i = 0; deb_file[i] != NULL; i++) {
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) {
- char *last_char;
- /* remove trailing \n's */
- while(1) {
- last_char = last_char_is(deb_file[i]->control_file, '\n');
- if (last_char) {
- *last_char = '\0';
- } else {
- break;
- }
- }
-
- fputs(deb_file[i]->control_file, new_status_file);
+ write_buffer_no_status(new_status_file, deb_file[i]->control_file);
set_status(status_num, "ok", 2);
- fprintf(new_status_file, "\nStatus: %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]);
}
}
fclose(old_status_file);
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");
+ bb_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");
+ bb_error_msg("No status file found, creating new one");
}
if (rename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status") == -1) {
- error_msg_and_die("DANGER: Couldnt create status file, you need to manually repair your status file");
+ bb_error_msg_and_die("DANGER: Couldnt create status file, you need to manually repair your status file");
}
}
int state_status;
int state_flag;
int state_want;
- unsigned int status_package_num;
int i = deb_start;
- int j, k;
+ int j;
/* Check for conflicts
* TODO: TEST if conflicts with other packages to be installed
}
/* Check conflicts */
- for (i = 0; i < conflicts_num; i++) {
- /* Check for conflicts */
- for (j = 0; j < STATUS_HASH_PRIME; j++) {
- if (status_hashtable[j] == NULL) {
- continue;
- }
- state_flag = get_status(j, 2);
- state_status = get_status(j, 3);
- if ((state_status != search_name_hashtable("installed"))
- && (state_flag != search_name_hashtable("want-install"))) {
- continue;
- }
- status_package_num = status_hashtable[j]->package;
- for (k = 0; k < package_hashtable[status_package_num]->num_of_edges; k++) {
- const edge_t *package_edge = package_hashtable[status_package_num]->edge[k];
- if (package_edge->type != EDGE_CONFLICTS) {
- continue;
- }
- if (package_edge->name != package_hashtable[conflicts[i]]->name) {
- continue;
+ i = 0;
+ while (deb_file[i] != NULL) {
+ const common_node_t *package_node = package_hashtable[deb_file[i]->package];
+ int status_num = 0;
+ status_num = search_status_hashtable(name_hashtable[package_node->name]);
+
+ if (get_status(status_num, 3) == search_name_hashtable("installed")) {
+ i++;
+ continue;
+ }
+
+ for (j = 0; j < package_node->num_of_edges; j++) {
+ const edge_t *package_edge = package_node->edge[j];
+ const unsigned int package_num =
+ search_package_hashtable(package_edge->name,
+ package_edge->version, package_edge->operator);
+
+ if (package_edge->type == EDGE_CONFLICTS) {
+ int result = 0;
+ if (package_hashtable[package_num] != NULL) {
+ status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]);
+ state_status = get_status(status_num, 3);
+ state_flag = get_status(status_num, 1);
+
+ result = (state_status == search_name_hashtable("installed")) ||
+ (state_flag == search_name_hashtable("want-install"));
+
+ if (result) {
+ result = test_version(package_hashtable[deb_file[i]->package]->version,
+ package_edge->version, package_edge->operator);
+ }
}
- /* There is a conflict against the package name
- * check if version conflict as well */
- if (test_version(package_hashtable[deb_file[i]->package]->version,
- package_edge->version, package_edge->operator)) {
- error_msg_and_die("Package %s conflict with %s",
- name_hashtable[package_hashtable[deb_file[i]->package]->name],
- name_hashtable[package_hashtable[status_package_num]->name]);
+
+ if (result) {
+ bb_error_msg_and_die("Package %s conflicts with %s",
+ name_hashtable[package_node->name],
+ name_hashtable[package_edge->name]);
}
}
}
- }
+ i++;
+ }
+
/* Check dependendcies */
i = 0;
const common_node_t *package_node = package_hashtable[deb_file[i]->package];
int status_num = 0;
+ status_num = search_status_hashtable(name_hashtable[package_node->name]);
+ state_status = get_status(status_num, 3);
+ state_want = get_status(status_num, 1);
+
+ if (state_status == search_name_hashtable("installed")) {
+ i++;
+ continue;
+ }
+
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);
+ unsigned int package_num;
+
+ 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):
+ case(EDGE_OR_PRE_DEPENDS): {
+ int result=1;
/* 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",
+ if (package_hashtable[package_num] != NULL) {
+ 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);
+ result = (state_status != search_name_hashtable("installed"));
+ }
+
+ if (result) {
+ bb_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]);
}
break;
+ }
case(EDGE_DEPENDS):
- case(EDGE_OR_DEPENDS):
+ case(EDGE_OR_DEPENDS): {
+ int result=1;
+ if (package_hashtable[package_num] != NULL) {
+ 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);
+ result=(state_status != search_name_hashtable("installed")) && (state_want != search_name_hashtable("want-install"));
+ }
/* 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",
+ if (result) {
+ bb_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]);
}
break;
+ }
}
}
i++;
}
+ free(conflicts);
return(TRUE);
}
char **create_list(const char *filename)
{
FILE *list_stream;
- char **file_list = xmalloc(sizeof(char *));
+ char **file_list = NULL;
char *line = NULL;
- char *last_char;
- int length = 0;
int count = 0;
+ /* dont use [xw]fopen here, handle error ourself */
list_stream = fopen(filename, "r");
if (list_stream == NULL) {
return(NULL);
}
- while (getline(&line, &length, list_stream) != -1) {
- file_list = xrealloc(file_list, sizeof(char *) * (length + 1));
- last_char = last_char_is(line, '\n');
- if (last_char) {
- *last_char = '\0';
- }
- file_list[count] = xstrdup(line);
- free(line);
+
+ 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++;
- length = 0;
}
fclose(list_stream);
+
if (count == 0) {
return(NULL);
} else {
{
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) {
- return(EXIT_SUCCESS);
+ result = EXIT_SUCCESS;
} else {
- return(system(script_path));
+ result = system(script_path);
}
+ free(script_path);
+ return(result);
}
-void all_control_list(char **remove_files, const char *package_name)
+char **all_control_list(const char *package_name)
{
- const char *all_extensions[11] = {"preinst", "postinst", "prerm", "postrm",
+ const char *extensions[11] = {"preinst", "postinst", "prerm", "postrm",
"list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
- int i;
+ unsigned short i = 0;
+ char **remove_files;
/* Create a list of all /var/lib/dpkg/info/<package> files */
- for(i = 0; i < 10; i++) {
- remove_files[i] = xmalloc(strlen(package_name) + strlen(all_extensions[i]) + 21);
- sprintf(remove_files[i], "/var/lib/dpkg/info/%s.%s", package_name, all_extensions[i]);
+ remove_files = malloc(sizeof(char *) * 11);
+ while (extensions[i]) {
+ remove_files[i] = xmalloc(strlen(package_name) + strlen(extensions[i]) + 21);
+ sprintf(remove_files[i], "/var/lib/dpkg/info/%s.%s", package_name, extensions[i]);
+ i++;
}
remove_files[10] = NULL;
+
+ return(remove_files);
+}
+
+void free_array(char **array)
+{
+
+ if (array) {
+ unsigned short i = 0;
+ while (array[i]) {
+ free(array[i]);
+ i++;
+ }
+ free(array);
+ }
+}
+
+/* This function lists information on the installed packages. It loops through
+ * the status_hashtable to retrieve the info. This results in smaller code than
+ * scanning the status file. The resulting list, however, is unsorted.
+ */
+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);
+ }
+ }
}
void remove_package(const unsigned int package_num)
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, "prem");
+ return_value = run_package_script(package_name, "prerm");
if (return_value == -1) {
- error_msg_and_die("script failed, prerm failure");
+ bb_error_msg_and_die("script failed, prerm failure");
}
/* Create a list of files to remove, and a seperate list of those to keep */
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);
+ while (remove_file_array(remove_files, exclude_files));
+ free_array(exclude_files);
+ free_array(remove_files);
/* Create a list of files in /var/lib/dpkg/info/<package>.* to keep */
exclude_files = xmalloc(sizeof(char*) * 3);
- exclude_files[0] = xstrdup(conffile_name);
+ exclude_files[0] = bb_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;
+ /* Create a list of all /var/lib/dpkg/info/<package> files */
+ remove_files = all_control_list(package_name);
+
remove_file_array(remove_files, exclude_files);
+ free_array(remove_files);
+ free_array(exclude_files);
/* rename <package>.conffile to <package>.list */
rename(conffile_name, list_name);
char list_name[strlen(package_name) + 25];
/* run prerm script */
- if (run_package_script(package_name, "prerm") == -1) {
- error_msg_and_die("script failed, prerm failure");
+ if (run_package_script(package_name, "prerm") != 0) {
+ bb_error_msg_and_die("script failed, prerm failure");
}
/* Create a list of files to remove */
sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
remove_files = create_list(list_name);
- exclude_files = xmalloc(1);
+ exclude_files = xmalloc(sizeof(char*));
exclude_files[0] = NULL;
/* Some directories cant be removed straight away, so do multiple passes */
- while (remove_file_array(remove_files, exclude_files) == TRUE);
+ while (remove_file_array(remove_files, exclude_files));
+ free_array(remove_files);
/* Create a list of all /var/lib/dpkg/info/<package> files */
- remove_files = xmalloc(11);
- all_control_list(remove_files, package_name);
+ remove_files = all_control_list(package_name);
remove_file_array(remove_files, exclude_files);
+ free_array(remove_files);
+ free(exclude_files);
/* run postrm script */
if (run_package_script(package_name, "postrm") == -1) {
- error_msg_and_die("postrm fialure.. set status to what?");
+ bb_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)
+static archive_handle_t *init_archive_deb_ar(const char *filename)
{
- const unsigned int package_name_num = package_hashtable[deb_file->package]->name;
- const char *package_name = name_hashtable[package_name_num];
- const unsigned int status_num = search_status_hashtable(package_name);
- unsigned int status_package_num;
+ archive_handle_t *ar_handle;
- FILE *out_stream;
+ /* Setup an ar archive handle that refers to the gzip sub archive */
+ ar_handle = init_handle();
+ ar_handle->filter = filter_accept_list_reassign;
+ ar_handle->src_fd = bb_xopen(filename, O_RDONLY);
+
+ return(ar_handle);
+}
+
+static void init_archive_deb_control(archive_handle_t *ar_handle)
+{
+ archive_handle_t *tar_handle;
+
+ /* Setup the tar archive handle */
+ tar_handle = init_handle();
+ tar_handle->filter = filter_accept_list;
+ tar_handle->src_fd = ar_handle->src_fd;
+
+ /* We dont care about data.tar.* or debian-binary, just control.tar.* */
+#ifdef CONFIG_FEATURE_DEB_TAR_GZ
+ ar_handle->accept = llist_add_to(NULL, "control.tar.gz");
+#endif
+#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
+ ar_handle->accept = llist_add_to(ar_handle->accept, "control.tar.bz2");
+#endif
+
+ /* Assign the tar handle as a subarchive of the ar handle */
+ ar_handle->sub_archive = tar_handle;
+
+ return;
+}
+
+static void init_archive_deb_data(archive_handle_t *ar_handle)
+{
+ archive_handle_t *tar_handle;
+
+ /* Setup the tar archive handle */
+ tar_handle = init_handle();
+ tar_handle->filter = filter_accept_all;
+ tar_handle->src_fd = ar_handle->src_fd;
+
+ /* We dont care about data.tar.* or debian-binary, just control.tar.* */
+#ifdef CONFIG_FEATURE_DEB_TAR_GZ
+ tar_handle->accept = llist_add_to(NULL, "data.tar.gz");
+#endif
+#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
+ tar_handle->accept = llist_add_to(ar_handle->accept, "data.tar.bz2");
+#endif
+
+ /* Assign the tar handle as a subarchive of the ar handle */
+ ar_handle->sub_archive = tar_handle;
+
+ return;
+}
+
+static char *deb_extract_control_file_to_buffer(archive_handle_t *ar_handle, llist_t *accept)
+{
+ ar_handle->sub_archive->action_data = data_extract_to_buffer;
+ ar_handle->sub_archive->accept = accept;
+
+ unpack_ar_archive(ar_handle);
+ close(ar_handle->src_fd);
+
+ return(ar_handle->sub_archive->buffer);
+}
+
+static void data_extract_all_prefix(archive_handle_t *archive_handle)
+{
+ char *name_ptr = archive_handle->file_header->name;
+
+ name_ptr += strspn(name_ptr, "./");
+ if (name_ptr[0] != '\0') {
+ archive_handle->file_header->name = xmalloc(strlen(archive_handle->buffer) + 2 + strlen(name_ptr));
+ strcpy(archive_handle->file_header->name, archive_handle->buffer);
+ strcat(archive_handle->file_header->name, name_ptr);
+ data_extract_all(archive_handle);
+ }
+ return;
+}
+
+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;
char *info_prefix;
+ archive_handle_t *archive_handle;
+ FILE *out_stream;
/* If existing version, remove it first */
if (strcmp(name_hashtable[get_status(status_num, 3)], "installed") == 0) {
}
/* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */
- info_prefix = (char *) xmalloc(sizeof(package_name) + 20 + 4 + 1);
+ info_prefix = (char *) xmalloc(strlen(package_name) + 20 + 4 + 2);
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), info_prefix, NULL);
+ archive_handle = init_archive_deb_ar(deb_file->filename);
+ init_archive_deb_control(archive_handle);
+ archive_handle->sub_archive->action_data = data_extract_all_prefix;
+ archive_handle->sub_archive->buffer = info_prefix;
+ 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.");
+ }
/* Extract data.tar.gz to the root directory */
- deb_extract(deb_file->filename, stdout, (extract_quiet | extract_data_tar_gz | extract_all_to_fs), "/", NULL);
+ archive_handle = init_archive_deb_ar(deb_file->filename);
+ init_archive_deb_data(archive_handle);
+ unpack_ar_archive(archive_handle);
/* Create the list file */
strcat(info_prefix, "list");
-
- out_stream = wfopen(info_prefix, "w");
- deb_extract(deb_file->filename, out_stream, (extract_quiet | extract_data_tar_gz | extract_list), NULL, NULL);
+ out_stream = bb_xfopen(info_prefix, "w");
+ while (archive_handle->passed) {
+ /* blindly skip over the leading '.' */
+ fputs(archive_handle->passed->data + 1, out_stream);
+ fputc('\n', out_stream);
+ archive_handle->passed = archive_handle->passed->link;
+ }
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)
{
- int return_value;
- int status_num;
+ 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);
- /* Run the preinst prior to extracting */
- return_value = run_package_script(name_hashtable[package_hashtable[deb_file->package]->name], "postinst");
- if (return_value == -1) {
+ 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 fialure.. set status to what?");
+ bb_error_msg_and_die("postrm failure.. set status to what?");
}
-
/* Change status to reflect success */
- status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file->package]->name]);
set_status(status_num, "install", 1);
set_status(status_num, "installed", 3);
}
-extern int dpkg_main(int argc, char **argv)
+int dpkg_main(int argc, char **argv)
{
deb_file_t **deb_file = NULL;
status_node_t *status_node;
- char opt = 0;
+ int opt;
int package_num;
int dpkg_opt = 0;
int deb_count = 0;
int status_num;
int i;
- while ((opt = getopt(argc, argv, "cF:ilPru")) != -1) {
+ while ((opt = getopt(argc, argv, "CF:ilPru")) != -1) {
switch (opt) {
- case 'c':
+ case 'C': // equivalent to --configure in official dpkg
dpkg_opt |= dpkg_opt_configure;
dpkg_opt |= dpkg_opt_package_name;
break;
break;
case 'l':
dpkg_opt |= dpkg_opt_list_installed;
+ break;
case 'P':
dpkg_opt |= dpkg_opt_purge;
dpkg_opt |= dpkg_opt_package_name;
dpkg_opt |= dpkg_opt_filename;
break;
default:
- show_usage();
+ bb_show_usage();
}
}
+ /* check for non-otion argument if expected */
+ if ((dpkg_opt == 0) || ((argc == optind) && !(dpkg_opt && dpkg_opt_list_installed))) {
+ bb_show_usage();
+ }
- if ((argc == optind) || (dpkg_opt == 0)) {
- show_usage();
- }
-
- puts("(Reading database ... xxxxx files and directories installed.)");
+/* puts("(Reading database ... xxxxx files and directories installed.)"); */
index_status_file("/var/lib/dpkg/status");
+ /* if the list action was given print the installed packages and exit */
+ if (dpkg_opt & dpkg_opt_list_installed) {
+ list_packages();
+ return(EXIT_SUCCESS);
+ }
+
/* Read arguments and store relevant info in structs */
- deb_file = xmalloc(sizeof(deb_file_t));
while (optind < argc) {
+ /* 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 *) 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");
+ archive_handle_t *archive_handle;
+ llist_t *control_list = NULL;
+
+ /* Extract the control file */
+ control_list = llist_add_to(NULL, "./control");
+ archive_handle = init_archive_deb_ar(argv[optind]);
+ init_archive_deb_control(archive_handle);
+ deb_file[deb_count]->control_file = deb_extract_control_file_to_buffer(archive_handle, control_list);
if (deb_file[deb_count]->control_file == NULL) {
- error_msg_and_die("Couldnt extract control file");
+ bb_error_msg_and_die("Couldnt extract control file");
}
+ deb_file[deb_count]->filename = bb_xstrdup(argv[optind]);
package_num = fill_package_struct(deb_file[deb_count]->control_file);
if (package_num == -1) {
- error_msg("Invalid control file in %s", argv[optind]);
+ bb_error_msg("Invalid control file in %s", argv[optind]);
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;
- /* use 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");
-
+ /* 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]);
- status_hashtable[status_num] = status_node;
+ /* 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("want-install reinstreq not-installed");
+ status_hashtable[status_num] = status_node;
+ } else {
+ status_hashtable[status_num]->status = search_name_hashtable("want-install reinstreq not-installed");
+ }
}
}
else if (dpkg_opt & dpkg_opt_package_name) {
search_name_hashtable(argv[optind]),
search_name_hashtable("ANY"), VER_ANY);
if (package_hashtable[deb_file[deb_count]->package] == NULL) {
- error_msg_and_die("unknown package, %s\n", argv[optind]);
+ bb_error_msg_and_die("Package %s is uninstalled or unknown\n", argv[optind]);
}
state_status = get_status(search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]), 3);
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]);
+ bb_error_msg_and_die("%s is already removed.", name_hashtable[package_hashtable[deb_file[deb_count]->package]->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]);
+ bb_error_msg_and_die("%s is already purged.", name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
}
}
}
/* 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 fialed");
+ bb_error_msg_and_die("Dependency check failed");
}
}
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]);
- }
+ free(name_hashtable[i]);
}
+
for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
- free_package(package_hashtable[i]);
+ if (package_hashtable[i] != NULL) {
+ free_package(package_hashtable[i]);
+ }
}
+
for (i = 0; i < STATUS_HASH_PRIME; i++) {
- if (status_hashtable[i] != NULL) {
- free(status_hashtable[i]);
- }
+ free(status_hashtable[i]);
}
- return(EXIT_FAILURE);
+ return(EXIT_SUCCESS);
}
projects / oweals / busybox.git / blobdiff