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|
--- a/libopkg/opkg_utils.c
+++ b/libopkg/opkg_utils.c
@@ -44,58 +44,6 @@
return 0;
}
-char **read_raw_pkgs_from_file(const char *file_name)
-{
- FILE *fp;
- char **ret;
-
- if(!(fp = fopen(file_name, "r"))){
- fprintf(stderr, "can't get %s open for read\n", file_name);
- return NULL;
- }
-
- ret = read_raw_pkgs_from_stream(fp);
-
- fclose(fp);
-
- return ret;
-}
-
-char **read_raw_pkgs_from_stream(FILE *fp)
-{
- char **raw = NULL, *buf, *scout;
- int count = 0;
- size_t size = 512;
-
- buf = calloc (1, size);
-
- while (fgets(buf, size, fp)) {
- while (strlen (buf) == (size - 1)
- && buf[size-2] != '\n') {
- size_t o = size - 1;
- size *= 2;
- buf = realloc (buf, size);
- if (fgets (buf + o, size - o, fp) == NULL)
- break;
- }
-
- if(!(count % 50))
- raw = realloc(raw, (count + 50) * sizeof(char *));
-
- if((scout = strchr(buf, '\n')))
- *scout = '\0';
-
- raw[count++] = strdup(buf);
- }
-
- raw = realloc(raw, (count + 1) * sizeof(char *));
- raw[count] = NULL;
-
- free (buf);
-
- return raw;
-}
-
/* something to remove whitespace, a hash pooper */
char *trim_alloc(char *line)
{
--- a/libopkg/pkg.c
+++ b/libopkg/pkg.c
@@ -20,6 +20,8 @@
#include <alloca.h>
#include <string.h>
#include <stdbool.h>
+#include <unistd.h>
+#include <fcntl.h>
#include <errno.h>
#include "pkg.h"
@@ -277,7 +279,6 @@
int pkg_init_from_file(pkg_t *pkg, const char *filename)
{
int err;
- char **raw;
FILE *control_file;
err = pkg_init(pkg);
@@ -290,8 +291,7 @@
if (err) { return err; }
rewind(control_file);
- raw = read_raw_pkgs_from_stream(control_file);
- pkg_parse_raw(pkg, &raw, NULL, NULL);
+ pkg_parse_fd(pkg, fileno(control_file), NULL, NULL);
fclose(control_file);
@@ -459,8 +459,7 @@
void set_flags_from_control(opkg_conf_t *conf, pkg_t *pkg){
char * temp_str;
- char **raw =NULL;
- char **raw_start=NULL;
+ int fd;
size_t str_size = strlen(pkg->dest->info_dir)+strlen(pkg->name)+12;
temp_str = (char *) alloca (str_size);
@@ -471,28 +470,23 @@
return;
}
sprintf( temp_str,"%s/%s.control",pkg->dest->info_dir,pkg->name);
-
- raw = raw_start = read_raw_pkgs_from_file(temp_str);
- if (raw == NULL ){
- opkg_message(conf, OPKG_ERROR, "Unable to open the control file in %s\n", __FUNCTION__);
- return;
- }
- while(*raw){
- if (!pkg_valorize_other_field(pkg, &raw ) == 0) {
- opkg_message(conf, OPKG_DEBUG, "unable to read control file for %s. May be empty\n", pkg->name);
- }
- }
- raw = raw_start;
- while (*raw) {
- if (raw!=NULL)
- free(*raw++);
- }
+ if( (fd = open(temp_str, O_RDONLY)) > 0 )
+ {
+ if( pkg_valorize_other_field(pkg, fd) )
+ {
+ opkg_message(conf, OPKG_DEBUG, "unable to read control file for %s. May be empty\n", pkg->name);
+ }
- free(raw_start);
+ close(fd);
+ }
+ else
+ {
+ opkg_message(conf, OPKG_ERROR, "Unable to open the control file in %s\n", __FUNCTION__);
+ return;
+ }
return ;
-
}
#define CHECK_BUFF_SIZE(buff, line, buf_size, page_size) do { \
--- a/libopkg/pkg_hash.c
+++ b/libopkg/pkg_hash.c
@@ -20,6 +20,8 @@
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
#include "hash_table.h"
#include "pkg.h"
@@ -112,43 +114,50 @@
int pkg_hash_add_from_file(opkg_conf_t *conf, const char *file_name,
pkg_src_t *src, pkg_dest_t *dest, int is_status_file)
{
- hash_table_t *hash = &conf->pkg_hash;
- char **raw;
- char **raw_start;
- pkg_t *pkg;
-
- raw = raw_start = read_raw_pkgs_from_file(file_name);
- if (!raw)
- return -ENOMEM;
-
- while(*raw){ /* don't worry, we'll increment raw in the parsing function */
- pkg = pkg_new();
- if (!pkg)
- return -ENOMEM;
-
- if (pkg_parse_raw(pkg, &raw, src, dest) == 0) {
- if (!pkg->architecture) {
- char *version_str = pkg_version_str_alloc(pkg);
- pkg->architecture = pkg_get_default_arch(conf);
- opkg_message(conf, OPKG_ERROR, "Package %s version %s has no architecture specified, defaulting to %s.\n",
- pkg->name, version_str, pkg->architecture);
- free(version_str);
- }
- hash_insert_pkg(hash, pkg, is_status_file,conf);
- } else {
- pkg_deinit (pkg);
- free(pkg);
- }
- }
+ hash_table_t *hash = &conf->pkg_hash;
+ pkg_t *pkg;
- /* XXX: CLEANUP: I'd like a cleaner interface for cleaning up
- memory after read_raw_pkgs_from_file */
- raw = raw_start;
- while (*raw) {
- free(*raw++);
- }
- free(raw_start);
- return 0;
+ int fd;
+ int rv = 0;
+
+ if( (fd = open(file_name, O_RDONLY)) > 0 )
+ {
+ while(1)
+ {
+ pkg = pkg_new();
+ if(!pkg) {
+ rv = -ENOMEM;
+ break;
+ }
+
+ if (pkg_parse_fd(pkg, fd, src, dest) == 0) {
+ if (!pkg->architecture) {
+ char *version_str = pkg_version_str_alloc(pkg);
+ pkg->architecture = pkg_get_default_arch(conf);
+ opkg_message(conf, OPKG_ERROR, "Package %s version %s has no architecture specified, defaulting to %s.\n",
+ pkg->name, version_str, pkg->architecture);
+ free(version_str);
+ }
+
+ hash_insert_pkg(hash, pkg, is_status_file, conf);
+ } else {
+ pkg_deinit (pkg);
+ free(pkg);
+ break;
+ }
+ }
+
+ close(fd);
+ }
+ else
+ {
+ opkg_message (conf, OPKG_ERROR,
+ "Unable to open package list %s\n", file_name);
+
+ rv = -EINVAL;
+ }
+
+ return rv;
}
abstract_pkg_t * abstract_pkg_fetch_by_name(hash_table_t * hash, const char * pkg_name)
--- a/libopkg/pkg_parse.c
+++ b/libopkg/pkg_parse.c
@@ -191,214 +191,297 @@
}
-/* Some random thoughts from Carl:
-
- This function could be considerably simplified if we just kept
- an array of all the generic string-valued field names, and looped
- through those looking for a match. Also, these fields could perhaps
- be stored in the package as an array as well, (or, probably better,
- as an nv_pair_list_t).
-
- Fields which require special parsing or storage, (such as Depends:
- and Status:) could be handled as they are now.
-*/
-/* XXX: FEATURE: The Suggests: field needs to be changed from a string
- to a dependency list. And, since we already have
- Depends/Pre-Depends and need to add Conflicts, Recommends, and
- Enhances, perhaps we could generalize all of these and save some
- code duplication.
-*/
-int pkg_parse_raw(pkg_t *pkg, char ***raw, pkg_src_t *src, pkg_dest_t *dest)
+int pkg_parse_fd(pkg_t *pkg, int fd, pkg_src_t *src, pkg_dest_t *dest)
{
- int reading_conffiles, reading_description;
- int pkg_false_provides=1;
- char ** lines;
- char * provide=NULL;
-
- pkg->src = src;
- pkg->dest = dest;
-
- reading_conffiles = reading_description = 0;
-
- for (lines = *raw; *lines; lines++) {
- /* fprintf(stderr, "PARSING %s\n", *lines);*/
- switch (**lines) {
- case 'P':
- if(isGenericFieldType("Package:", *lines))
- pkg->name = parseGenericFieldType("Package", *lines);
- else if(isGenericFieldType("Priority:", *lines))
- pkg->priority = parseGenericFieldType("Priority", *lines);
- else if(isGenericFieldType("Provides", *lines)){
-/* Here we add the internal_use to align the off by one problem between provides_str and provides */
- provide = (char * ) calloc(1, strlen(*lines)+ 35 ); /* Preparing the space for the new opkg_internal_use_only */
- if ( alterProvidesLine(*lines,provide) ){
- return EINVAL;
- }
- pkg->provides_str = parseDependsString( provide, &pkg->provides_count);
-/* Let's try to hack a bit here.
- The idea is that if a package has no Provides, we would add one generic, to permit the check of dependencies
- in alot of other places. We will remove it before writing down the status database */
- pkg_false_provides=0;
- free(provide);
- }
- else if(isGenericFieldType("Pre-Depends", *lines))
- pkg->pre_depends_str = parseDependsString(*lines, &pkg->pre_depends_count);
- break;
-
- case 'A':
- if(isGenericFieldType("Architecture:", *lines))
- pkg->architecture = parseGenericFieldType("Architecture", *lines);
- else if(isGenericFieldType("Auto-Installed:", *lines)) {
- char *auto_installed_value;
- auto_installed_value = parseGenericFieldType("Auto-Installed:", *lines);
- if (strcmp(auto_installed_value, "yes") == 0) {
- pkg->auto_installed = 1;
- }
- free(auto_installed_value);
- }
- break;
-
- case 'F':
- if(isGenericFieldType("Filename:", *lines))
- pkg->filename = parseGenericFieldType("Filename", *lines);
- break;
-
- case 'S':
- if(isGenericFieldType("Section:", *lines))
- pkg->section = parseGenericFieldType("Section", *lines);
- else if(isGenericFieldType("Size:", *lines))
- pkg->size = parseGenericFieldType("Size", *lines);
- else if(isGenericFieldType("Source:", *lines))
- pkg->source = parseGenericFieldType("Source", *lines);
- else if(isGenericFieldType("Status", *lines))
- parseStatus(pkg, *lines);
- else if(isGenericFieldType("Suggests", *lines))
- pkg->suggests_str = parseDependsString(*lines, &pkg->suggests_count);
- break;
-
- case 'T':
- if(isGenericFieldType("Tags:", *lines))
- pkg->tags = parseGenericFieldType("Tags", *lines);
- break;
-
- case 'M':
- if(isGenericFieldType("MD5sum:", *lines))
- pkg->md5sum = parseGenericFieldType("MD5sum", *lines);
- /* The old opkg wrote out status files with the wrong case for MD5sum,
- let's parse it either way */
- else if(isGenericFieldType("MD5Sum:", *lines))
- pkg->md5sum = parseGenericFieldType("MD5Sum", *lines);
- else if(isGenericFieldType("Maintainer", *lines))
- pkg->maintainer = parseGenericFieldType("Maintainer", *lines);
- break;
-
- case 'I':
- if(isGenericFieldType("Installed-Size:", *lines))
- pkg->installed_size = parseGenericFieldType("Installed-Size", *lines);
- else if(isGenericFieldType("Installed-Time:", *lines)) {
- char *time_str = parseGenericFieldType("Installed-Time", *lines);
- pkg->installed_time = strtoul(time_str, NULL, 0);
- free (time_str);
- }
- break;
-
- case 'E':
- if(isGenericFieldType("Essential:", *lines)) {
- char *essential_value;
- essential_value = parseGenericFieldType("Essential", *lines);
- if (strcmp(essential_value, "yes") == 0) {
- pkg->essential = 1;
- }
- free(essential_value);
- }
- break;
-
- case 'V':
- if(isGenericFieldType("Version", *lines))
- parseVersion(pkg, *lines);
- break;
-
- case 'C':
- if(isGenericFieldType("Conffiles", *lines)){
- parseConffiles(pkg, *lines);
- reading_conffiles = 1;
- }
- else if(isGenericFieldType("Conflicts", *lines))
- pkg->conflicts_str = parseDependsString(*lines, &pkg->conflicts_count);
- break;
-
- case 'D':
- if(isGenericFieldType("Description", *lines)) {
- pkg->description = parseGenericFieldType("Description", *lines);
- reading_conffiles = 0;
- reading_description = 1;
- }
- else if(isGenericFieldType("Depends", *lines))
- pkg->depends_str = parseDependsString(*lines, &pkg->depends_count);
- break;
-
- case 'R':
- if(isGenericFieldType("Recommends", *lines))
- pkg->recommends_str = parseDependsString(*lines, &pkg->recommends_count);
- else if(isGenericFieldType("Replaces", *lines))
- pkg->replaces_str = parseDependsString(*lines, &pkg->replaces_count);
-
- break;
-
- case ' ':
- if(reading_description) {
- /* we already know it's not blank, so the rest of description */
- pkg->description = realloc(pkg->description,
- strlen(pkg->description)
- + 1 + strlen(*lines) + 1);
- strcat(pkg->description, "\n");
- strcat(pkg->description, (*lines));
- }
- else if(reading_conffiles)
- parseConffiles(pkg, *lines);
-
- break;
-
- default:
- if(line_is_blank(*lines)) {
- lines++;
- goto out;
- }
+ char buf[4096];
+ char line[4096];
+ char *nl;
+ int bsz = 0;
+ int eof = 0;
+ int rv = EINVAL;
+
+ int reading_conffiles, reading_description;
+ int pkg_false_provides=1;
+ char *provide = NULL;
+
+ pkg->src = src;
+ pkg->dest = dest;
+
+ reading_conffiles = reading_description = 0;
+
+ memset(buf, 0, sizeof(buf));
+
+ while(!eof || (bsz > 0))
+ {
+ if(!eof)
+ {
+ rv = read(fd, &buf[bsz], sizeof(buf) - bsz - 1);
+
+ if( rv == 0 )
+ {
+ eof = 1;
+
+ if( bsz == 0 )
+ {
+ rv = EINVAL;
+ break;
+ }
+ }
+ else if( rv < 0 )
+ {
+ /*opkg_message(conf, OPKG_ERROR, "I/O error while parsing package list\n");*/
+ printf("I/O error while parsing package list\n");
+ rv = EINVAL;
+ break;
+ }
+ else
+ {
+ bsz += rv;
+ buf[bsz] = 0;
+ rv = 0;
+ }
+ }
+
+ if( (nl = strchr(buf, '\n')) != NULL )
+ {
+ bsz -= (int)(nl - buf) + 1;
+
+ memset(line, 0, sizeof(line));
+ memcpy(line, buf, (int)(nl - buf));
+ memmove(buf, &buf[(int)(nl - buf) + 1], bsz);
+
+ switch(line[0])
+ {
+ case 'P':
+ if(isGenericFieldType("Package:", line))
+ pkg->name = parseGenericFieldType("Package", line);
+ else if(isGenericFieldType("Priority:", line))
+ pkg->priority = parseGenericFieldType("Priority", line);
+ else if(isGenericFieldType("Provides", line)){
+ /* Here we add the internal_use to align the off by one problem between provides_str and provides */
+ provide = (char * ) calloc(1, strlen(line)+ 35 ); /* Preparing the space for the new opkg_internal_use_only */
+ if ( alterProvidesLine(line,provide) ){
+ rv = EINVAL;
+ break;
+ }
+ pkg->provides_str = parseDependsString( provide, &pkg->provides_count);
+ /* Let's try to hack a bit here.
+ The idea is that if a package has no Provides, we would add one generic, to permit the check of dependencies
+ in alot of other places. We will remove it before writing down the status database */
+ pkg_false_provides=0;
+ free(provide);
+ }
+ else if(isGenericFieldType("Pre-Depends", line))
+ pkg->pre_depends_str = parseDependsString(line, &pkg->pre_depends_count);
+ break;
+
+ case 'A':
+ if(isGenericFieldType("Architecture:", line))
+ pkg->architecture = parseGenericFieldType("Architecture", line);
+ else if(isGenericFieldType("Auto-Installed:", line)) {
+ char *auto_installed_value;
+ auto_installed_value = parseGenericFieldType("Auto-Installed:", line);
+ if (strcmp(auto_installed_value, "yes") == 0) {
+ pkg->auto_installed = 1;
+ }
+ free(auto_installed_value);
+ }
+ break;
+
+ case 'F':
+ if(isGenericFieldType("Filename:", line))
+ pkg->filename = parseGenericFieldType("Filename", line);
+ break;
+
+ case 'S':
+ if(isGenericFieldType("Section:", line))
+ pkg->section = parseGenericFieldType("Section", line);
+ else if(isGenericFieldType("Size:", line))
+ pkg->size = parseGenericFieldType("Size", line);
+ else if(isGenericFieldType("Source:", line))
+ pkg->source = parseGenericFieldType("Source", line);
+ else if(isGenericFieldType("Status", line))
+ parseStatus(pkg, line);
+ else if(isGenericFieldType("Suggests", line))
+ pkg->suggests_str = parseDependsString(line, &pkg->suggests_count);
+ break;
+
+ case 'T':
+ if(isGenericFieldType("Tags:", line))
+ pkg->tags = parseGenericFieldType("Tags", line);
+ break;
+
+ case 'M':
+ if(isGenericFieldType("MD5sum:", line))
+ pkg->md5sum = parseGenericFieldType("MD5sum", line);
+ /* The old opkg wrote out status files with the wrong case for MD5sum,
+ let's parse it either way */
+ else if(isGenericFieldType("MD5Sum:", line))
+ pkg->md5sum = parseGenericFieldType("MD5Sum", line);
+ else if(isGenericFieldType("Maintainer", line))
+ pkg->maintainer = parseGenericFieldType("Maintainer", line);
+ break;
+
+ case 'I':
+ if(isGenericFieldType("Installed-Size:", line))
+ pkg->installed_size = parseGenericFieldType("Installed-Size", line);
+ else if(isGenericFieldType("Installed-Time:", line)) {
+ char *time_str = parseGenericFieldType("Installed-Time", line);
+ pkg->installed_time = strtoul(time_str, NULL, 0);
+ free (time_str);
+ }
+ break;
+
+ case 'E':
+ if(isGenericFieldType("Essential:", line)) {
+ char *essential_value;
+ essential_value = parseGenericFieldType("Essential", line);
+ if (strcmp(essential_value, "yes") == 0) {
+ pkg->essential = 1;
+ }
+ free(essential_value);
+ }
+ break;
+
+ case 'V':
+ if(isGenericFieldType("Version", line))
+ parseVersion(pkg, line);
+ break;
+
+ case 'C':
+ if(isGenericFieldType("Conffiles", line)){
+ parseConffiles(pkg, line);
+ reading_conffiles = 1;
+ }
+ else if(isGenericFieldType("Conflicts", line))
+ pkg->conflicts_str = parseDependsString(line, &pkg->conflicts_count);
+ break;
+
+ case 'D':
+ if(isGenericFieldType("Description", line)) {
+ pkg->description = parseGenericFieldType("Description", line);
+ reading_conffiles = 0;
+ reading_description = 1;
+ }
+ else if(isGenericFieldType("Depends", line))
+ pkg->depends_str = parseDependsString(line, &pkg->depends_count);
+ break;
+
+ case 'R':
+ if(isGenericFieldType("Recommends", line))
+ pkg->recommends_str = parseDependsString(line, &pkg->recommends_count);
+ else if(isGenericFieldType("Replaces", line))
+ pkg->replaces_str = parseDependsString(line, &pkg->replaces_count);
+ break;
+
+ case ' ':
+ if(reading_description) {
+ /* we already know it's not blank, so the rest of description */
+ pkg->description = realloc(pkg->description,
+ strlen(pkg->description) + 1 + strlen(line) + 1);
+ strcat(pkg->description, "\n");
+ strcat(pkg->description, (line));
+ }
+ else if(reading_conffiles)
+ parseConffiles(pkg, line);
+ break;
+
+ default:
+ if(line_is_blank(line))
+ goto out;
+ }
+ }
+ else
+ {
+ /*opkg_message(conf, OPKG_ERROR, "Buffer exceeded while parsing line:\n[%s]\n", buf);*/
+ printf("Buffer exceeded while parsing line:\n[%s]\n", buf);
+ rv = EINVAL;
+ break;
+ }
}
- }
-out:;
-
- *raw = lines;
-/* If the opk has not a Provides line, we insert our false line */
- if ( pkg_false_provides==1)
- {
- pkg->provides_count = 1;
- pkg->provides_str = calloc (1, sizeof (char*));
- pkg->provides_str[0] = strdup ("opkg_internal_use_only");
- }
-
- if (pkg->name) {
- return 0;
- } else {
- return EINVAL;
- }
+
+ out:
+
+ if (bsz)
+ lseek(fd, -(off_t)bsz, SEEK_CUR);
+
+ if (!rv && pkg->name)
+ return 0;
+ else
+ return EINVAL;
}
-int pkg_valorize_other_field(pkg_t *pkg, char ***raw)
+int pkg_valorize_other_field(pkg_t *pkg, int fd)
{
- char ** lines;
+ char buf[4096];
+ char line[4096];
+ char *nl;
+ int bsz = 0;
+ int eof = 0;
+ int rv = EINVAL;
+
+ memset(buf, 0, sizeof(buf));
+
+ while(!eof || (bsz > 0))
+ {
+ if(!eof)
+ {
+ rv = read(fd, &buf[bsz], sizeof(buf) - bsz - 1);
+
+ if( rv == 0 )
+ {
+ eof = 1;
+
+ if( bsz == 0 )
+ {
+ rv = EINVAL;
+ break;
+ }
+ }
+ else if( rv < 0 )
+ {
+ rv = EINVAL;
+ break;
+ }
+ else
+ {
+ bsz += rv;
+ buf[bsz] = 0;
+ rv = 0;
+ }
+ }
- for (lines = *raw; *lines; lines++) {
- if(isGenericFieldType("Essential:", *lines)) {
- char *essential_value;
- essential_value = parseGenericFieldType("Essential", *lines);
- if (strcmp(essential_value, "yes") == 0) {
- pkg->essential = 1;
- }
- free(essential_value);
+ if( (nl = strchr(buf, '\n')) != NULL )
+ {
+ bsz -= (int)(nl - buf) + 1;
+
+ memset(line, 0, sizeof(line));
+ memcpy(line, buf, (int)(nl - buf));
+ memmove(buf, &buf[(int)(nl - buf) + 1], bsz);
+
+ if(isGenericFieldType("Essential:", line))
+ {
+ char *essential_value;
+ essential_value = parseGenericFieldType("Essential", line);
+ if (strcmp(essential_value, "yes") == 0) {
+ pkg->essential = 1;
+ }
+ free(essential_value);
+ }
+ }
+ else
+ {
+ rv = EINVAL;
+ break;
+ }
}
- }
- *raw = lines;
- return 0;
+ if (bsz)
+ lseek(fd, -(off_t)bsz, SEEK_CUR);
+
+ if (!rv && pkg->name)
+ return 0;
+ else
+ return EINVAL;
}
+
--- a/libopkg/pkg_parse.h
+++ b/libopkg/pkg_parse.h
@@ -25,7 +25,7 @@
char ** parseDependsString(char * raw, int * depends_count);
int parseVersion(pkg_t *pkg, char *raw);
void parseConffiles(pkg_t * pkg, char * raw);
-int pkg_parse_raw(pkg_t *pkg, char ***raw, pkg_src_t *src, pkg_dest_t *dest);
-int pkg_valorize_other_field(pkg_t *pkg, char ***raw);
+int pkg_parse_fd(pkg_t *pkg, int fd, pkg_src_t *src, pkg_dest_t *dest);
+int pkg_valorize_other_field(pkg_t *pkg, int fd);
#endif
--- a/libopkg/opkg_utils.h
+++ b/libopkg/opkg_utils.h
@@ -26,8 +26,6 @@
void free_error_list();
long unsigned int get_available_blocks(char * filesystem);
-char **read_raw_pkgs_from_file(const char *file_name);
-char **read_raw_pkgs_from_stream(FILE *fp);
char *trim_alloc(char * line);
int line_is_blank(const char *line);
|