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-rw-r--r--archival/dpkg.c298
1 files changed, 162 insertions, 136 deletions
diff --git a/archival/dpkg.c b/archival/dpkg.c
index af200e1..d05198c 100644
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -1,3 +1,5 @@
+#include <dirent.h>
+#include <getopt.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
@@ -116,18 +118,34 @@ static int package_compare(const void *p1, const void *p2)
((package_t *)p2)->package);
}
-static int remove_dpkgcidir()
+/*
+ * NOTE: this was handled by a "rm -rf" shell command
+ * Maybe theis behaviour should be integrated into the rm applet
+ * (i dont appreciate the rm applets recursive action fn)-bug1
+ */
+static int remove_dir(const char *dirname)
{
- char *rm_dpkgcidir = NULL;
-
- rm_dpkgcidir = (char *) xmalloc(strlen(dpkgcidir) + 8);
- strcpy(rm_dpkgcidir, "rm -rf ");
- strcat(rm_dpkgcidir, dpkgcidir);
-
- if (SYSTEM(rm_dpkgcidir) != 0) {
- perror("mkdir ");
- return EXIT_FAILURE;
+ struct dirent *fp;
+ DIR *dp = opendir(dirname);
+ while ((fp = readdir(dp)) != NULL) {
+ struct stat statbuf;
+ char *filename;
+
+ filename = (char *) xcalloc(1, strlen(dirname) + strlen(fp->d_name) + 2);
+ strcpy(filename, dirname);
+ strcat(filename, fp->d_name);
+ lstat(filename, &statbuf);
+
+ if ((strcmp(fp->d_name, ".") != 0) && (strcmp(fp->d_name, "..") != 0)) {
+ if (S_ISDIR(statbuf.st_mode)) {
+ remove_dir(strcat(filename, "/"));
+ }
+ else if (remove(filename) == -1) {
+ perror_msg(filename);
+ }
+ }
}
+ remove(dirname);
return EXIT_SUCCESS;
}
@@ -145,7 +163,7 @@ static char **depends_split(const char *dependsstr)
goto end;
}
- p = strdup(dependsstr);
+ p = xstrdup(dependsstr);
while (*p != 0 && *p != '\n') {
if (*p != ' ') {
if (*p == ',') {
@@ -363,25 +381,25 @@ static int control_read(FILE *file, package_t *p)
char *line;
while ((line = get_line_from_file(file)) != NULL) {
- line[strlen(line)] = 0;
+ line[strlen(line) - 1] = '\0';
if (strlen(line) == 0) {
break;
} else
if (strstr(line, "Package: ") == line) {
- p->package = strdup(line + 9);
+ p->package = xstrdup(line + 9);
} else
if (strstr(line, "Status: ") == line) {
p->status = status_parse(line + 8);
} else
if (strstr(line, "Depends: ") == line) {
- p->depends = strdup(line + 9);
+ p->depends = xstrdup(line + 9);
} else
if (strstr(line, "Provides: ") == line) {
- p->provides = strdup(line + 10);
+ p->provides = xstrdup(line + 10);
} else
if (strstr(line, "Description: ") == line) {
- p->description = strdup(line + 13);
+ p->description = xstrdup(line + 13);
/* This is specific to the Debian Installer. Ifdef? */
} else
if (strstr(line, "installer-menu-item: ") == line) {
@@ -400,7 +418,7 @@ static void *status_read(void)
package_t *m = 0, *p = 0, *t = 0;
if ((f = fopen(statusfile, "r")) == NULL) {
- perror(statusfile);
+ perror_msg(statusfile);
return 0;
}
@@ -409,8 +427,7 @@ static void *status_read(void)
}
while (!feof(f)) {
- m = (package_t *)xmalloc(sizeof(package_t));
- memset(m, 0, sizeof(package_t));
+ m = (package_t *)xcalloc(1, sizeof(package_t));
control_read(f, m);
if (m->package) {
/*
@@ -426,9 +443,8 @@ static void *status_read(void)
* of a pseudo package into the status
* binary-tree.
*/
- p = (package_t *)xmalloc(sizeof(package_t));
- memset(p, 0, sizeof(package_t));
- p->package = strdup(m->provides);
+ p = (package_t *)xcalloc(1, sizeof(package_t));
+ p->package = xstrdup(m->provides);
t = *(package_t **)tsearch(p, &status, package_compare);
if (t != p) {
@@ -459,57 +475,52 @@ static void *status_read(void)
static int status_merge(void *status, package_t *pkgs)
{
FILE *fin, *fout;
- char *line;
+ char *line = NULL;
package_t *pkg = 0, *statpkg = 0;
package_t locpkg;
int r = 0;
- if ((fin = fopen(statusfile, "r")) == NULL) {
- perror(statusfile);
- return 0;
- }
- if ((fout = fopen(new_statusfile, "w")) == NULL) {
- perror(new_statusfile);
+ if ((fout = wfopen(new_statusfile, "w")) == NULL) {
return 0;
}
if (getenv(udpkg_quiet) == NULL) {
printf("(Updating database...)\n");
}
+ if ((fin = wfopen(statusfile, "r")) != NULL) {
+ while (((line = get_line_from_file(fin)) != NULL) && !feof(fin)) {
+ line[strlen(line) - 1] = '\0'; /* trim newline */
+ /* If we see a package header, find out if it's a package
+ * that we have processed. if so, we skip that block for
+ * now (write it at the end).
+ *
+ * we also look at packages in the status cache and update
+ * their status fields
+ */
+ if (strstr(line, "Package: ") == line) {
+ for (pkg = pkgs; pkg != 0 && strcmp(line + 9,
+ pkg->package) != 0; pkg = pkg->next) ;
- while (((line = get_line_from_file(fin)) != NULL) && !feof(fin)) {
- line[strlen(line)] = 0; /* trim newline */
- /* If we see a package header, find out if it's a package
- * that we have processed. if so, we skip that block for
- * now (write it at the end).
- *
- * we also look at packages in the status cache and update
- * their status fields
- */
- if (strstr(line, "Package: ") == line) {
- for (pkg = pkgs; pkg != 0 && strncmp(line + 9,
- pkg->package, strlen(line) - 9) != 0;
- pkg = pkg->next) ;
-
- locpkg.package = line + 9;
- statpkg = tfind(&locpkg, &status, package_compare);
+ locpkg.package = line + 9;
+ statpkg = tfind(&locpkg, &status, package_compare);
- /* note: statpkg should be non-zero, unless the status
- * file was changed while we are processing (no locking
- * is currently done...
- */
- if (statpkg != 0) {
- statpkg = *(package_t **)statpkg;
+ /* note: statpkg should be non-zero, unless the status
+ * file was changed while we are processing (no locking
+ * is currently done...
+ */
+ if (statpkg != 0) {
+ statpkg = *(package_t **)statpkg;
+ }
}
+ if (pkg != 0) {
+ continue;
+ }
+ if (strstr(line, "Status: ") == line && statpkg != 0) {
+ snprintf(line, sizeof(line), "Status: %s",
+ status_print(statpkg->status));
+ }
+ fputs(line, fout);
+ fputc('\n', fout);
}
- if (pkg != 0) {
- continue;
- }
- if (strstr(line, "Status: ") == line && statpkg != 0) {
- snprintf(line, sizeof(line), "Status: %s",
- status_print(statpkg->status));
- }
- fputs(line, fout);
- fputc('\n', fout);
}
free(line);
@@ -576,13 +587,11 @@ static int dpkg_dounpack(package_t *pkg)
{
int r = 0, i;
char *cwd;
- FILE *outfp;
char *src_file = NULL;
char *dst_file = NULL;
- char *lst_file = NULL;
- char *adminscripts[] = { "/prerm", "/postrm", "/preinst", "/postinst",
- "/conffiles", "/md5sums", "/shlibs", "/templates" };
- char buf[1024], buf2[1024];
+// char *lst_file = NULL;
+ char *adminscripts[] = { "prerm", "postrm", "preinst", "postinst",
+ "conffiles", "md5sums", "shlibs", "templates" };
DPRINTF("Unpacking %s\n", pkg->package);
@@ -592,36 +601,46 @@ static int dpkg_dounpack(package_t *pkg)
/* Installs the package scripts into the info directory */
for (i = 0; i < sizeof(adminscripts) / sizeof(adminscripts[0]); i++) {
+ struct stat src_stat_buf;
+ int src_fd = 0, dst_fd = 0;
+
/* The full path of the current location of the admin file */
src_file = xrealloc(src_file, strlen(dpkgcidir) + strlen(pkg->package) + strlen(adminscripts[i]) + 1);
- strcpy(src_file, dpkgcidir);
- strcat(src_file, pkg->package);
- strcat(src_file, adminscripts[i]);
+ sprintf(src_file, "%s%s/%s", dpkgcidir, pkg->package, adminscripts[i]);
/* the full path of where we want the file to be copied to */
dst_file = xrealloc(dst_file, strlen(infodir) + strlen(pkg->package) + strlen(adminscripts[i]) + 1);
- strcpy(dst_file, infodir);
- strcat(dst_file, pkg->package);
- strcat(dst_file, adminscripts[i]);
+ sprintf(dst_file, "%s%s.%s", infodir, pkg->package, adminscripts[i]);
- /* copy admin file to permanent home */
- if (copy_file(src_file, dst_file, TRUE, FALSE, FALSE) < 0) {
- error_msg_and_die("Cannot copy %s to %s ", buf, buf2);
+ /*
+ * copy admin file to permanent home
+ * NOTE: Maybe merge this behaviour into libb/copy_file.c
+ */
+ if (lstat(src_file, &src_stat_buf) == 0) {
+ if ((src_fd = open(src_file, O_RDONLY)) != -1) {
+ if ((dst_fd = open(dst_file, O_WRONLY | O_CREAT, 0644)) == -1) {
+ perror_msg("Opening %s", dst_file);
+ }
+ copy_file_chunk(src_fd, dst_fd, src_stat_buf.st_size);
+ close(src_fd);
+ close(dst_fd);
+ } else {
+ error_msg("couldnt open [%s]\n", src_file);
+ }
}
-
- /* create the list file */
- lst_file = (char *) xmalloc(strlen(infodir) + strlen(pkg->package) + 6);
- strcpy(lst_file, infodir);
- strcat(lst_file, pkg->package);
- strcat(lst_file, ".list");
- deb_extract(dpkg_deb_list, NULL, pkg->file);
-
- printf("done\n");
- getchar();
-
- fclose(outfp);
}
+ /*
+ * create the list file
+ * FIXME: currently this dumps the lst to stdout instead of a file
+ */
+/* lst_file = (char *) xmalloc(strlen(infodir) + strlen(pkg->package) + 6);
+ strcpy(lst_file, infodir);
+ strcat(lst_file, pkg->package);
+ strcat(lst_file, ".list");
+ deb_extract(dpkg_deb_list, NULL, pkg->file);
+*/
+
pkg->status &= status_wantmask;
pkg->status |= status_wantinstall;
pkg->status &= status_flagmask;
@@ -647,7 +666,7 @@ static int dpkg_unpackcontrol(package_t *pkg)
int length;
/* clean the temp directory (dpkgcidir) be recreating it */
- remove_dpkgcidir();
+ remove_dir(dpkgcidir);
if (mkdir(dpkgcidir, S_IRWXU) != 0) {
perror("mkdir");
return EXIT_FAILURE;
@@ -664,13 +683,12 @@ static int dpkg_unpackcontrol(package_t *pkg)
}
/* now remove trailing version numbers etc */
length = strcspn(tmp_name, "_.");
- pkg->package = (char *) xmalloc(length + 1);
+ pkg->package = (char *) xcalloc(1, length + 1);
/* store the package name */
strncpy(pkg->package, tmp_name, length);
/* work out the full extraction path */
- tmp_name = (char *) xmalloc(strlen(dpkgcidir) + strlen(pkg->package) + 9);
- memset(tmp_name, 0, strlen(dpkgcidir) + strlen(pkg->package) + 9);
+ tmp_name = (char *) xcalloc(1, strlen(dpkgcidir) + strlen(pkg->package) + 9);
strcpy(tmp_name, dpkgcidir);
strcat(tmp_name, pkg->package);
@@ -679,7 +697,7 @@ static int dpkg_unpackcontrol(package_t *pkg)
/* parse the extracted control file */
strcat(tmp_name, "/control");
- if ((file = fopen(tmp_name, "r")) == NULL) {
+ if ((file = wfopen(tmp_name, "r")) == NULL) {
return EXIT_FAILURE;
}
if (control_read(file, pkg) == EXIT_FAILURE) {
@@ -703,7 +721,7 @@ static int dpkg_unpack(package_t *pkgs, void *status)
}
}
status_merge(status, pkgs);
- remove_dpkgcidir();
+ remove_dir(dpkgcidir);
return r;
}
@@ -740,8 +758,7 @@ static int dpkg_install(package_t *pkgs, void *status)
/* Stage 1: parse all the control information */
for (p = pkgs; p != 0; p = p->next) {
if (dpkg_unpackcontrol(p) == EXIT_FAILURE) {
- perror(p->file);
- return EXIT_FAILURE;
+ return(EXIT_FAILURE);
}
}
@@ -765,21 +782,24 @@ static int dpkg_install(package_t *pkgs, void *status)
DPRINTF("Installing %s\n", p->package);
if (dpkg_dounpack(p) != 0) {
- perror(p->file);
+ perror_msg(p->file);
}
if (dpkg_doconfigure(p) != 0) {
- perror(p->file);
+ perror_msg(p->file);
}
}
-
+
if (ordered != 0) {
status_merge(status, pkgs);
}
- remove_dpkgcidir();
+ remove_dir(dpkgcidir);
return 0;
}
+/*
+ * Not implemented yet
+ *
static int dpkg_remove(package_t *pkgs, void *status)
{
package_t *p;
@@ -791,55 +811,61 @@ static int dpkg_remove(package_t *pkgs, void *status)
return 0;
}
+*/
extern int dpkg_main(int argc, char **argv)
{
- char opt = 0;
- char *s;
+ const int arg_install = 1;
+ const int arg_unpack = 2;
+ const int arg_configure = 4;
+
package_t *p, *packages = NULL;
- char *cwd = getcwd(0, 0);
void *status = NULL;
+ char opt = 0;
+ int optflag = 0;
- while (*++argv) {
- if (**argv == '-') {
- /* Nasty little hack to "parse" long options. */
- s = *argv;
- while (*s == '-') {
- s++;
- }
- opt=s[0];
+ while ((opt = getopt(argc, argv, "iruc")) != -1) {
+ switch (opt) {
+ case 'i':
+ optflag |= arg_install;
+ break;
+ case 'u':
+ optflag |= arg_unpack;
+ break;
+ case 'c':
+ optflag |= arg_configure;
+ break;
+ default:
+ show_usage();
+ }
+ }
+
+ while (optind < argc) {
+ p = (package_t *) xcalloc(1, sizeof(package_t));
+ if (optflag & arg_configure) {
+ p->package = xstrdup(argv[optind]);
} else {
- p = (package_t *)xmalloc(sizeof(package_t));
- memset(p, 0, sizeof(package_t));
-
- if (**argv == '/') {
- p->file = *argv;
- } else
- if (opt != 'c') {
- p->file = xmalloc(strlen(cwd) + strlen(*argv) + 2);
- sprintf(p->file, "%s/%s", cwd, *argv);
- } else {
- p->package = strdup(*argv);
- }
+ p->file = xstrdup(argv[optind]);
+ }
+ p->next = packages;
+ packages = p;
- p->next = packages;
- packages = p;
- }
+ optind++;
}
+ create_path(dpkgcidir, 0755);
+ create_path(infodir, 0755);
+
status = status_read();
- switch (opt) {
- case 'i':
- return dpkg_install(packages, status);
- case 'r':
- return dpkg_remove(packages, status);
- case 'u':
- return dpkg_unpack(packages, status);
- case 'c':
- return dpkg_configure(packages, status);
- default :
- show_usage();
- return EXIT_FAILURE;
+ if (optflag & arg_install) {
+ return dpkg_install(packages, status);
+ }
+ else if (optflag & arg_unpack) {
+ return dpkg_unpack(packages, status);
+ }
+ else if (optflag & arg_configure) {
+ return dpkg_configure(packages, status);
}
+ return(EXIT_FAILURE);
}
generated by cgit v1.1 at 2024-11-08 03:17:40 +0000