mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-25 04:39:48 +00:00
More style changes
This commit is contained in:
Glenn L McGrath
parent
0c9d77ccfd
commit
631064613f
337
archival/dpkg.c
337
archival/dpkg.c
@ -35,9 +35,13 @@
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#define BUFSIZE 4096
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#define DEPENDSMAX 64 /* maximum number of depends we can handle */
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#define ADMINDIR "/var/lib/dpkg"
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#define STATUSFILE ADMINDIR ## "/status.udeb"
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#define DPKGCIDIR ADMINDIR ## "/tmp.ci/"
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static const char statusfile[] = "/var/lib/dpkg/status.udeb";
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static const char new_statusfile[] = "/var/lib/dpkg/status.udeb.new";
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static const char bak_statusfile[] = "/var/lib/dpkg/status.udeb.bak";
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static const char dpkgcidir[] = "/var/lib/dpkg/tmp.ci/";
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static const char rm_dpkgcidir[] = "rm -rf /var/lib/dpkg/tmp.ci/";
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static const char infodir[] = "/var/lib/dpkg/info/";
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static const char udpkg_quiet[] = "UDPKG_QUIET";
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@ -95,6 +99,16 @@ typedef struct package_s {
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struct package_s *next;
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} package_t;
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#ifdef DODEBUG
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static int do_system(const char *cmd)
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{
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DPRINTF("cmd is %s\n", cmd);
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return system(cmd);
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}
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#else
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#define do_system(cmd) system(cmd)
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#endif
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static int package_compare(const void *p1, const void *p2)
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{
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return strcmp(((package_t *)p1)->package,
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@ -111,41 +125,46 @@ static char **depends_split(const char *dependsstr)
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int i = 0;
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dependsvec[0] = 0;
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if (dependsstr != 0) {
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p = strdup(dependsstr);
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while (*p != 0 && *p != '\n') {
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if (*p != ' ') {
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if (*p == ',') {
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*p = 0;
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dependsvec[++i] = 0;
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} else
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if (dependsvec[i] == 0)
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dependsvec[i] = p;
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} else {
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*p = 0; /* eat the space... */
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}
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p++;
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}
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*p = 0;
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if (dependsstr == 0) {
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goto end;
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}
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p = strdup(dependsstr);
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while (*p != 0 && *p != '\n') {
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if (*p != ' ') {
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if (*p == ',') {
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*p = 0;
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dependsvec[++i] = 0;
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} else {
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if (dependsvec[i] == 0) {
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dependsvec[i] = p;
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}
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}
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} else {
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*p = 0; /* eat the space... */
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}
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p++;
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}
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*p = 0;
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end:
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dependsvec[i+1] = 0;
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return dependsvec;
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}
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/* Topological sort algorithm:
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* ordered is the output list, pkgs is the dependency graph, pkg is
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* the current node
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*
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* recursively add all the adjacent nodes to the ordered list, marking
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* each one as visited along the way
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*
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* yes, this algorithm looks a bit odd when all the params have the
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* same type :-)
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*/
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static void depends_sort_visit(package_t **ordered, package_t *pkgs,
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package_t *pkg)
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{
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/* Topological sort algorithm:
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* ordered is the output list, pkgs is the dependency graph, pkg is
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* the current node
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*
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* recursively add all the adjacent nodes to the ordered list, marking
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* each one as visited along the way
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*
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* yes, this algorithm looks a bit odd when all the params have the
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* same type :-)
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*/
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unsigned short i;
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/* mark node as processing */
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@ -164,6 +183,7 @@ static void depends_sort_visit(package_t **ordered, package_t *pkgs,
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newnode->next = *ordered;
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*ordered = newnode;
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#endif
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pkg->next = *ordered;
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*ordered = pkg;
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@ -178,12 +198,14 @@ static package_t *depends_sort(package_t *pkgs)
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package_t *ordered = NULL;
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package_t *pkg;
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for (pkg = pkgs; pkg != 0; pkg = pkg->next)
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for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
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pkg->color = color_white;
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for (pkg = pkgs; pkg != 0; pkg = pkg->next)
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if (pkg->color == color_white)
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}
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for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
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if (pkg->color == color_white) {
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depends_sort_visit(&ordered, pkgs, pkg);
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}
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}
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/* Leaks the old list... return the new one... */
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return ordered;
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@ -218,17 +240,15 @@ static package_t *depends_resolve(package_t *pkgs, void *status)
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if ((found = tfind(&dependpkg, &status, package_compare)) == 0 ||
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((chk = *(package_t **)found) &&
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(chk->status & (status_flagok | status_statusinstalled)) !=
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(status_flagok | status_statusinstalled)))
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{
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(status_flagok | status_statusinstalled))) {
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/* if it fails, we look through the list of packages we are going to
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* install */
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for (chk = pkgs; chk != 0; chk = chk->next) {
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if (strcmp(chk->package, dependsvec[i]) == 0 ||
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(chk->provides &&
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if (strcmp(chk->package, dependsvec[i]) == 0 || (chk->provides &&
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strncmp(chk->provides, dependsvec[i], strlen(dependsvec[i])) == 0)) {
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if (chk->requiredcount >= DEPENDSMAX) {
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fprintf(stderr, "Too many dependencies for %s\n",
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chk->package);
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fprintf(stderr, "Too many dependencies for %s\n", chk->package);
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return 0;
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}
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if (chk != pkg) {
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@ -264,16 +284,16 @@ static package_t *depends_resolve(package_t *pkgs, void *status)
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* replacing any pre-existing entries. when a merge happens, status info
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* read using the status_read function is written back to the status file
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*/
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static unsigned long status_parse(const char *line)
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{
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char *p;
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int i, j;
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unsigned long l = 0;
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for (i = 0; i < 3; i++)
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{
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p = strchr(line, ' ');
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if (p) *p = 0;
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for (i = 0; i < 3; i++) {
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if ((p = strchr(line, ' ')) != NULL) {
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*p = 0;
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}
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j = 1;
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while (statuswords[i][j] != 0) {
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if (strcmp(line, statuswords[i][j]) == 0) {
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@ -288,6 +308,7 @@ static unsigned long status_parse(const char *line)
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}
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line = p+1;
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}
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return l;
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}
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@ -313,6 +334,7 @@ static const char *status_print(unsigned long flags)
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return NULL;
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}
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}
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return buf;
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}
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@ -326,6 +348,7 @@ static void control_read(FILE *file, package_t *p)
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while ((line = get_line_from_file(file)) != NULL) {
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line[strlen(line)] = 0;
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if (strlen(line) == 0) {
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break;
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} else
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@ -359,13 +382,15 @@ static void *status_read(void)
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void *status = 0;
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package_t *m = 0, *p = 0, *t = 0;
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if ((f = fopen(STATUSFILE, "r")) == NULL) {
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perror(STATUSFILE);
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if ((f = fopen(statusfile, "r")) == NULL) {
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perror(statusfile);
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return 0;
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}
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if (getenv(udpkg_quiet) == NULL) {
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printf("(Reading database...)\n");
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}
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while (!feof(f)) {
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m = (package_t *)xmalloc(sizeof(package_t));
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memset(m, 0, sizeof(package_t));
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@ -389,7 +414,7 @@ static void *status_read(void)
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p->package = strdup(m->provides);
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t = *(package_t **)tsearch(p, &status, package_compare);
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if (!(t == p)) {
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if (t != p) {
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free(p->package);
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free(p);
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}
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@ -422,18 +447,19 @@ static int status_merge(void *status, package_t *pkgs)
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package_t locpkg;
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int r = 0;
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if ((fin = fopen(STATUSFILE, "r")) == NULL) {
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perror(STATUSFILE);
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if ((fin = fopen(statusfile, "r")) == NULL) {
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perror(statusfile);
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return 0;
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}
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if ((fout = fopen(STATUSFILE ".new", "w")) == NULL) {
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perror(STATUSFILE ".new");
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if ((fout = fopen(new_statusfile, "w")) == NULL) {
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perror(new_statusfile);
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return 0;
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}
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if (getenv(udpkg_quiet) == NULL) {
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printf("(Updating database...)\n");
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}
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while (((line = get_line_from_file(fin)) != NULL) && (feof(fin) != 0)) {
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while (((line = get_line_from_file(fin)) != NULL) && !feof(fin)) {
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line[strlen(line)] = 0; /* trim newline */
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/* If we see a package header, find out if it's a package
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* that we have processed. if so, we skip that block for
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@ -488,27 +514,14 @@ static int status_merge(void *status, package_t *pkgs)
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fclose(fin);
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fclose(fout);
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r = rename(STATUSFILE, STATUSFILE ".bak");
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r = rename(statusfile, bak_statusfile);
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if (r == 0) {
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r = rename(STATUSFILE ".new", STATUSFILE);
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r = rename(new_statusfile, statusfile);
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}
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return 0;
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}
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/*
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* Main udpkg implementation routines
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*/
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#ifdef DODEBUG
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static int do_system(const char *cmd)
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{
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DPRINTF("cmd is %s\n", cmd);
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return system(cmd);
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}
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#else
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#define do_system(cmd) system(cmd)
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#endif
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static int is_file(const char *fn)
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{
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struct stat statbuf;
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@ -524,9 +537,11 @@ static int dpkg_doconfigure(package_t *pkg)
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int r;
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char postinst[1024];
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char buf[1024];
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DPRINTF("Configuring %s\n", pkg->package);
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pkg->status &= status_statusmask;
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snprintf(postinst, sizeof(postinst), "%s%s.postinst", infodir, pkg->package);
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if (is_file(postinst)) {
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snprintf(buf, sizeof(buf), "%s configure", postinst);
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if ((r = do_system(buf)) != 0) {
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@ -535,7 +550,6 @@ static int dpkg_doconfigure(package_t *pkg)
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return 1;
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}
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}
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pkg->status |= status_statusinstalled;
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return 0;
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@ -543,80 +557,78 @@ static int dpkg_doconfigure(package_t *pkg)
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static int dpkg_dounpack(package_t *pkg)
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{
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int r = 0;
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int r = 0, i;
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char *cwd, *p;
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FILE *infp, *outfp;
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char buf[1024], buf2[1024];
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int i;
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char *adminscripts[] = { "prerm", "postrm", "preinst", "postinst",
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"conffiles", "md5sums", "shlibs",
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"templates" };
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"conffiles", "md5sums", "shlibs", "templates" };
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DPRINTF("Unpacking %s\n", pkg->package);
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cwd = getcwd(0, 0);
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chdir("/");
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snprintf(buf, sizeof(buf), "ar -p %s data.tar.gz|zcat|tar -xf -", pkg->file);
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if (SYSTEM(buf) == 0) {
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/* Installs the package scripts into the info directory */
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for (i = 0; i < sizeof(adminscripts) / sizeof(adminscripts[0]); i++) {
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snprintf(buf, sizeof(buf), "%s%s/%s",
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DPKGCIDIR, pkg->package, adminscripts[i]);
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snprintf(buf2, sizeof(buf), "%s%s.%s",
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infodir, pkg->package, adminscripts[i]);
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if (copy_file(buf, buf2, TRUE, FALSE, FALSE) < 0) {
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fprintf(stderr, "Cannot copy %s to %s: %s\n",
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buf, buf2, strerror(errno));
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r = 1;
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break;
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} else {
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/* ugly hack to create the list file; should
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* probably do something more elegant
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*
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* why oh why does dpkg create the list file
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* so oddly...
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*/
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snprintf(buf, sizeof(buf),
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"ar -p %s data.tar.gz|zcat|tar -tf -",
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pkg->file);
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snprintf(buf2, sizeof(buf2),
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"%s%s.list", infodir, pkg->package);
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if ((infp = popen(buf, "r")) == NULL ||
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(outfp = fopen(buf2, "w")) == NULL) {
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fprintf(stderr, "Cannot create %s\n",
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buf2);
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r = 1;
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break;
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}
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while (fgets(buf, sizeof(buf), infp) &&
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!feof(infp)) {
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p = buf;
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if (*p == '.') p++;
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if (*p == '/' && *(p+1) == '\n') {
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*(p+1) = '.';
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*(p+2) = '\n';
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*(p+3) = 0;
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}
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if (p[strlen(p)-2] == '/') {
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p[strlen(p)-2] = '\n';
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p[strlen(p)-1] = 0;
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}
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fputs(p, outfp);
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}
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fclose(infp);
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fclose(outfp);
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}
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}
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pkg->status &= status_wantmask;
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pkg->status |= status_wantinstall;
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pkg->status &= status_flagmask;
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pkg->status |= status_flagok;
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pkg->status &= status_statusmask;
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if (r == 0)
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pkg->status |= status_statusunpacked;
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else
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pkg->status |= status_statushalfinstalled;
|
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if (SYSTEM(buf) != 0) {
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goto end;
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}
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/* Installs the package scripts into the info directory */
|
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for (i = 0; i < sizeof(adminscripts) / sizeof(adminscripts[0]); i++) {
|
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snprintf(buf, sizeof(buf), "%s%s/%s",
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dpkgcidir, pkg->package, adminscripts[i]);
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snprintf(buf2, sizeof(buf), "%s%s.%s",
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infodir, pkg->package, adminscripts[i]);
|
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if (copy_file(buf, buf2, TRUE, FALSE, FALSE) < 0) {
|
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fprintf(stderr, "Cannot copy %s to %s: %s\n",
|
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buf, buf2, strerror(errno));
|
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r = 1;
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break;
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}
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/* ugly hack to create the list file; should
|
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* probably do something more elegant
|
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*
|
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* why oh why does dpkg create the list file
|
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* so oddly...
|
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*/
|
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snprintf(buf, sizeof(buf), "ar -p %s data.tar.gz|zcat|tar -tf -", pkg->file);
|
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snprintf(buf2, sizeof(buf2), "%s%s.list", infodir, pkg->package);
|
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if ((infp = popen(buf, "r")) == NULL || (outfp = fopen(buf2, "w")) == NULL) {
|
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fprintf(stderr, "Cannot create %s\n", buf2);
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r = 1;
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break;
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}
|
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while (fgets(buf, sizeof(buf), infp) && !feof(infp)) {
|
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p = buf;
|
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if (*p == '.') {
|
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p++;
|
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}
|
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if ((*p == '/') && (*(p + 1) == '\n')) {
|
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*(p + 1) = '.';
|
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*(p + 2) = '\n';
|
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*(p + 3) = 0;
|
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}
|
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if (p[strlen(p) - 2] == '/') {
|
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p[strlen(p) - 2] = '\n';
|
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p[strlen(p) - 1] = 0;
|
||||
}
|
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fputs(p, outfp);
|
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}
|
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fclose(infp);
|
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fclose(outfp);
|
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}
|
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|
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pkg->status &= status_wantmask;
|
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pkg->status |= status_wantinstall;
|
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pkg->status &= status_flagmask;
|
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pkg->status |= status_flagok;
|
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pkg->status &= status_statusmask;
|
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|
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if (r == 0) {
|
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pkg->status |= status_statusunpacked;
|
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} else {
|
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pkg->status |= status_statushalfinstalled;
|
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}
|
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end:
|
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chdir(cwd);
|
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return r;
|
||||
}
|
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@ -638,15 +650,17 @@ static int dpkg_unpackcontrol(package_t *pkg)
|
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p = strrchr(pkg->file, '/');
|
||||
if (p) p++; else p = pkg->file;
|
||||
p = pkg->package = strdup(p);
|
||||
while (*p != 0 && *p != '_' && *p != '.') p++;
|
||||
while (*p != 0 && *p != '_' && *p != '.') {
|
||||
p++;
|
||||
}
|
||||
*p = 0;
|
||||
|
||||
cwd = getcwd(0, 0);
|
||||
snprintf(buf, sizeof(buf), "%s%s", DPKGCIDIR, pkg->package);
|
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snprintf(buf, sizeof(buf), "%s%s", dpkgcidir, pkg->package);
|
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DPRINTF("dir = %s\n", buf);
|
||||
|
||||
if (mkdir(buf, S_IRWXU) == 0 && chdir(buf) == 0) {
|
||||
snprintf(buf, sizeof(buf), "ar -p %s control.tar.gz|zcat|tar -xf -",
|
||||
pkg->file);
|
||||
snprintf(buf, sizeof(buf), "ar -p %s control.tar.gz|zcat|tar -xf -", pkg->file);
|
||||
if (SYSTEM(buf) == 0) {
|
||||
if ((f = fopen("control", "r")) != NULL) {
|
||||
control_read(f, pkg);
|
||||
@ -654,9 +668,9 @@ static int dpkg_unpackcontrol(package_t *pkg)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
chdir(cwd);
|
||||
free(cwd);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
@ -666,19 +680,19 @@ static int dpkg_unpack(package_t *pkgs)
|
||||
package_t *pkg;
|
||||
void *status = status_read();
|
||||
|
||||
if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 ||
|
||||
mkdir(DPKGCIDIR, S_IRWXU) != 0) {
|
||||
if (SYSTEM(rm_dpkgcidir) != 0 ||
|
||||
mkdir(dpkgcidir, S_IRWXU) != 0) {
|
||||
perror("mkdir");
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
|
||||
dpkg_unpackcontrol(pkg);
|
||||
r = dpkg_dounpack(pkg);
|
||||
if (r != 0) break;
|
||||
}
|
||||
status_merge(status, pkgs);
|
||||
SYSTEM("rm -rf -- " DPKGCIDIR);
|
||||
SYSTEM(rm_dpkgcidir);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
@ -688,18 +702,23 @@ static int dpkg_configure(package_t *pkgs)
|
||||
void *found;
|
||||
package_t *pkg;
|
||||
void *status = status_read();
|
||||
|
||||
for (pkg = pkgs; pkg != 0 && r == 0; pkg = pkg->next) {
|
||||
found = tfind(pkg, &status, package_compare);
|
||||
|
||||
if (found == 0) {
|
||||
fprintf(stderr, "Trying to configure %s, but it is not installed\n", pkg->package);
|
||||
r = 1;
|
||||
} else {
|
||||
/* configure the package listed in the status file;
|
||||
* not pkg, as we have info only for the latter */
|
||||
}
|
||||
/* configure the package listed in the status file;
|
||||
* not pkg, as we have info only for the latter
|
||||
*/
|
||||
else {
|
||||
r = dpkg_doconfigure(*(package_t **)found);
|
||||
}
|
||||
}
|
||||
status_merge(status, 0);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
@ -707,8 +726,9 @@ static int dpkg_install(package_t *pkgs)
|
||||
{
|
||||
package_t *p, *ordered = 0;
|
||||
void *status = status_read();
|
||||
if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 ||
|
||||
mkdir(DPKGCIDIR, S_IRWXU) != 0) {
|
||||
|
||||
if (SYSTEM(rm_dpkgcidir) != 0 ||
|
||||
mkdir(dpkgcidir, S_IRWXU) != 0) {
|
||||
perror("mkdir");
|
||||
return 1;
|
||||
}
|
||||
@ -747,7 +767,8 @@ static int dpkg_install(package_t *pkgs)
|
||||
if (ordered != 0) {
|
||||
status_merge(status, pkgs);
|
||||
}
|
||||
SYSTEM("rm -rf -- " DPKGCIDIR);
|
||||
SYSTEM(rm_dpkgcidir);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -755,10 +776,12 @@ static int dpkg_remove(package_t *pkgs)
|
||||
{
|
||||
package_t *p;
|
||||
void *status = status_read();
|
||||
|
||||
for (p = pkgs; p != 0; p = p->next)
|
||||
{
|
||||
}
|
||||
status_merge(status, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -768,16 +791,19 @@ extern int dpkg_main(int argc, char **argv)
|
||||
char *s;
|
||||
package_t *p, *packages = NULL;
|
||||
char *cwd = getcwd(0, 0);
|
||||
|
||||
while (*++argv) {
|
||||
if (**argv == '-') {
|
||||
/* Nasty little hack to "parse" long options. */
|
||||
s = *argv;
|
||||
while (*s == '-')
|
||||
while (*s == '-') {
|
||||
s++;
|
||||
}
|
||||
opt=s[0];
|
||||
} else {
|
||||
p = (package_t *)xmalloc(sizeof(package_t));
|
||||
memset(p, 0, sizeof(package_t));
|
||||
|
||||
if (**argv == '/') {
|
||||
p->file = *argv;
|
||||
} else
|
||||
@ -787,11 +813,12 @@ extern int dpkg_main(int argc, char **argv)
|
||||
} else {
|
||||
p->package = strdup(*argv);
|
||||
}
|
||||
|
||||
p->next = packages;
|
||||
packages = p;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
switch (opt) {
|
||||
case 'i':
|
||||
return dpkg_install(packages);
|
||||
@ -801,10 +828,8 @@ extern int dpkg_main(int argc, char **argv)
|
||||
return dpkg_unpack(packages);
|
||||
case 'c':
|
||||
return dpkg_configure(packages);
|
||||
default :
|
||||
usage(dpkg_usage);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* if it falls through to here, some of the command line options were
|
||||
wrong */
|
||||
usage(dpkg_usage);
|
||||
return 0;
|
||||
}
|
||||
337
dpkg.c
337
dpkg.c
@ -35,9 +35,13 @@
|
||||
#define BUFSIZE 4096
|
||||
#define DEPENDSMAX 64 /* maximum number of depends we can handle */
|
||||
|
||||
#define ADMINDIR "/var/lib/dpkg"
|
||||
#define STATUSFILE ADMINDIR ## "/status.udeb"
|
||||
#define DPKGCIDIR ADMINDIR ## "/tmp.ci/"
|
||||
static const char statusfile[] = "/var/lib/dpkg/status.udeb";
|
||||
static const char new_statusfile[] = "/var/lib/dpkg/status.udeb.new";
|
||||
static const char bak_statusfile[] = "/var/lib/dpkg/status.udeb.bak";
|
||||
|
||||
static const char dpkgcidir[] = "/var/lib/dpkg/tmp.ci/";
|
||||
static const char rm_dpkgcidir[] = "rm -rf /var/lib/dpkg/tmp.ci/";
|
||||
|
||||
static const char infodir[] = "/var/lib/dpkg/info/";
|
||||
static const char udpkg_quiet[] = "UDPKG_QUIET";
|
||||
|
||||
@ -95,6 +99,16 @@ typedef struct package_s {
|
||||
struct package_s *next;
|
||||
} package_t;
|
||||
|
||||
#ifdef DODEBUG
|
||||
static int do_system(const char *cmd)
|
||||
{
|
||||
DPRINTF("cmd is %s\n", cmd);
|
||||
return system(cmd);
|
||||
}
|
||||
#else
|
||||
#define do_system(cmd) system(cmd)
|
||||
#endif
|
||||
|
||||
static int package_compare(const void *p1, const void *p2)
|
||||
{
|
||||
return strcmp(((package_t *)p1)->package,
|
||||
@ -111,41 +125,46 @@ static char **depends_split(const char *dependsstr)
|
||||
int i = 0;
|
||||
|
||||
dependsvec[0] = 0;
|
||||
|
||||
if (dependsstr != 0) {
|
||||
p = strdup(dependsstr);
|
||||
while (*p != 0 && *p != '\n') {
|
||||
if (*p != ' ') {
|
||||
if (*p == ',') {
|
||||
*p = 0;
|
||||
dependsvec[++i] = 0;
|
||||
} else
|
||||
if (dependsvec[i] == 0)
|
||||
dependsvec[i] = p;
|
||||
} else {
|
||||
*p = 0; /* eat the space... */
|
||||
}
|
||||
p++;
|
||||
}
|
||||
*p = 0;
|
||||
if (dependsstr == 0) {
|
||||
goto end;
|
||||
}
|
||||
|
||||
p = strdup(dependsstr);
|
||||
while (*p != 0 && *p != '\n') {
|
||||
if (*p != ' ') {
|
||||
if (*p == ',') {
|
||||
*p = 0;
|
||||
dependsvec[++i] = 0;
|
||||
} else {
|
||||
if (dependsvec[i] == 0) {
|
||||
dependsvec[i] = p;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
*p = 0; /* eat the space... */
|
||||
}
|
||||
p++;
|
||||
}
|
||||
*p = 0;
|
||||
|
||||
end:
|
||||
dependsvec[i+1] = 0;
|
||||
return dependsvec;
|
||||
}
|
||||
|
||||
/* Topological sort algorithm:
|
||||
* ordered is the output list, pkgs is the dependency graph, pkg is
|
||||
* the current node
|
||||
*
|
||||
* recursively add all the adjacent nodes to the ordered list, marking
|
||||
* each one as visited along the way
|
||||
*
|
||||
* yes, this algorithm looks a bit odd when all the params have the
|
||||
* same type :-)
|
||||
*/
|
||||
static void depends_sort_visit(package_t **ordered, package_t *pkgs,
|
||||
package_t *pkg)
|
||||
{
|
||||
/* Topological sort algorithm:
|
||||
* ordered is the output list, pkgs is the dependency graph, pkg is
|
||||
* the current node
|
||||
*
|
||||
* recursively add all the adjacent nodes to the ordered list, marking
|
||||
* each one as visited along the way
|
||||
*
|
||||
* yes, this algorithm looks a bit odd when all the params have the
|
||||
* same type :-)
|
||||
*/
|
||||
unsigned short i;
|
||||
|
||||
/* mark node as processing */
|
||||
@ -164,6 +183,7 @@ static void depends_sort_visit(package_t **ordered, package_t *pkgs,
|
||||
newnode->next = *ordered;
|
||||
*ordered = newnode;
|
||||
#endif
|
||||
|
||||
pkg->next = *ordered;
|
||||
*ordered = pkg;
|
||||
|
||||
@ -178,12 +198,14 @@ static package_t *depends_sort(package_t *pkgs)
|
||||
package_t *ordered = NULL;
|
||||
package_t *pkg;
|
||||
|
||||
for (pkg = pkgs; pkg != 0; pkg = pkg->next)
|
||||
for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
|
||||
pkg->color = color_white;
|
||||
|
||||
for (pkg = pkgs; pkg != 0; pkg = pkg->next)
|
||||
if (pkg->color == color_white)
|
||||
}
|
||||
for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
|
||||
if (pkg->color == color_white) {
|
||||
depends_sort_visit(&ordered, pkgs, pkg);
|
||||
}
|
||||
}
|
||||
|
||||
/* Leaks the old list... return the new one... */
|
||||
return ordered;
|
||||
@ -218,17 +240,15 @@ static package_t *depends_resolve(package_t *pkgs, void *status)
|
||||
if ((found = tfind(&dependpkg, &status, package_compare)) == 0 ||
|
||||
((chk = *(package_t **)found) &&
|
||||
(chk->status & (status_flagok | status_statusinstalled)) !=
|
||||
(status_flagok | status_statusinstalled)))
|
||||
{
|
||||
(status_flagok | status_statusinstalled))) {
|
||||
|
||||
/* if it fails, we look through the list of packages we are going to
|
||||
* install */
|
||||
for (chk = pkgs; chk != 0; chk = chk->next) {
|
||||
if (strcmp(chk->package, dependsvec[i]) == 0 ||
|
||||
(chk->provides &&
|
||||
if (strcmp(chk->package, dependsvec[i]) == 0 || (chk->provides &&
|
||||
strncmp(chk->provides, dependsvec[i], strlen(dependsvec[i])) == 0)) {
|
||||
if (chk->requiredcount >= DEPENDSMAX) {
|
||||
fprintf(stderr, "Too many dependencies for %s\n",
|
||||
chk->package);
|
||||
fprintf(stderr, "Too many dependencies for %s\n", chk->package);
|
||||
return 0;
|
||||
}
|
||||
if (chk != pkg) {
|
||||
@ -264,16 +284,16 @@ static package_t *depends_resolve(package_t *pkgs, void *status)
|
||||
* replacing any pre-existing entries. when a merge happens, status info
|
||||
* read using the status_read function is written back to the status file
|
||||
*/
|
||||
|
||||
static unsigned long status_parse(const char *line)
|
||||
{
|
||||
char *p;
|
||||
int i, j;
|
||||
unsigned long l = 0;
|
||||
for (i = 0; i < 3; i++)
|
||||
{
|
||||
p = strchr(line, ' ');
|
||||
if (p) *p = 0;
|
||||
|
||||
for (i = 0; i < 3; i++) {
|
||||
if ((p = strchr(line, ' ')) != NULL) {
|
||||
*p = 0;
|
||||
}
|
||||
j = 1;
|
||||
while (statuswords[i][j] != 0) {
|
||||
if (strcmp(line, statuswords[i][j]) == 0) {
|
||||
@ -288,6 +308,7 @@ static unsigned long status_parse(const char *line)
|
||||
}
|
||||
line = p+1;
|
||||
}
|
||||
|
||||
return l;
|
||||
}
|
||||
|
||||
@ -313,6 +334,7 @@ static const char *status_print(unsigned long flags)
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
@ -326,6 +348,7 @@ static void control_read(FILE *file, package_t *p)
|
||||
|
||||
while ((line = get_line_from_file(file)) != NULL) {
|
||||
line[strlen(line)] = 0;
|
||||
|
||||
if (strlen(line) == 0) {
|
||||
break;
|
||||
} else
|
||||
@ -359,13 +382,15 @@ static void *status_read(void)
|
||||
void *status = 0;
|
||||
package_t *m = 0, *p = 0, *t = 0;
|
||||
|
||||
if ((f = fopen(STATUSFILE, "r")) == NULL) {
|
||||
perror(STATUSFILE);
|
||||
if ((f = fopen(statusfile, "r")) == NULL) {
|
||||
perror(statusfile);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (getenv(udpkg_quiet) == NULL) {
|
||||
printf("(Reading database...)\n");
|
||||
}
|
||||
|
||||
while (!feof(f)) {
|
||||
m = (package_t *)xmalloc(sizeof(package_t));
|
||||
memset(m, 0, sizeof(package_t));
|
||||
@ -389,7 +414,7 @@ static void *status_read(void)
|
||||
p->package = strdup(m->provides);
|
||||
|
||||
t = *(package_t **)tsearch(p, &status, package_compare);
|
||||
if (!(t == p)) {
|
||||
if (t != p) {
|
||||
free(p->package);
|
||||
free(p);
|
||||
}
|
||||
@ -422,18 +447,19 @@ static int status_merge(void *status, package_t *pkgs)
|
||||
package_t locpkg;
|
||||
int r = 0;
|
||||
|
||||
if ((fin = fopen(STATUSFILE, "r")) == NULL) {
|
||||
perror(STATUSFILE);
|
||||
if ((fin = fopen(statusfile, "r")) == NULL) {
|
||||
perror(statusfile);
|
||||
return 0;
|
||||
}
|
||||
if ((fout = fopen(STATUSFILE ".new", "w")) == NULL) {
|
||||
perror(STATUSFILE ".new");
|
||||
if ((fout = fopen(new_statusfile, "w")) == NULL) {
|
||||
perror(new_statusfile);
|
||||
return 0;
|
||||
}
|
||||
if (getenv(udpkg_quiet) == NULL) {
|
||||
printf("(Updating database...)\n");
|
||||
}
|
||||
while (((line = get_line_from_file(fin)) != NULL) && (feof(fin) != 0)) {
|
||||
|
||||
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
|
||||
@ -488,27 +514,14 @@ static int status_merge(void *status, package_t *pkgs)
|
||||
fclose(fin);
|
||||
fclose(fout);
|
||||
|
||||
r = rename(STATUSFILE, STATUSFILE ".bak");
|
||||
r = rename(statusfile, bak_statusfile);
|
||||
if (r == 0) {
|
||||
r = rename(STATUSFILE ".new", STATUSFILE);
|
||||
r = rename(new_statusfile, statusfile);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Main udpkg implementation routines
|
||||
*/
|
||||
|
||||
#ifdef DODEBUG
|
||||
static int do_system(const char *cmd)
|
||||
{
|
||||
DPRINTF("cmd is %s\n", cmd);
|
||||
return system(cmd);
|
||||
}
|
||||
#else
|
||||
#define do_system(cmd) system(cmd)
|
||||
#endif
|
||||
|
||||
static int is_file(const char *fn)
|
||||
{
|
||||
struct stat statbuf;
|
||||
@ -524,9 +537,11 @@ static int dpkg_doconfigure(package_t *pkg)
|
||||
int r;
|
||||
char postinst[1024];
|
||||
char buf[1024];
|
||||
|
||||
DPRINTF("Configuring %s\n", pkg->package);
|
||||
pkg->status &= status_statusmask;
|
||||
snprintf(postinst, sizeof(postinst), "%s%s.postinst", infodir, pkg->package);
|
||||
|
||||
if (is_file(postinst)) {
|
||||
snprintf(buf, sizeof(buf), "%s configure", postinst);
|
||||
if ((r = do_system(buf)) != 0) {
|
||||
@ -535,7 +550,6 @@ static int dpkg_doconfigure(package_t *pkg)
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
pkg->status |= status_statusinstalled;
|
||||
|
||||
return 0;
|
||||
@ -543,80 +557,78 @@ static int dpkg_doconfigure(package_t *pkg)
|
||||
|
||||
static int dpkg_dounpack(package_t *pkg)
|
||||
{
|
||||
int r = 0;
|
||||
int r = 0, i;
|
||||
char *cwd, *p;
|
||||
FILE *infp, *outfp;
|
||||
char buf[1024], buf2[1024];
|
||||
int i;
|
||||
char *adminscripts[] = { "prerm", "postrm", "preinst", "postinst",
|
||||
"conffiles", "md5sums", "shlibs",
|
||||
"templates" };
|
||||
"conffiles", "md5sums", "shlibs", "templates" };
|
||||
|
||||
DPRINTF("Unpacking %s\n", pkg->package);
|
||||
|
||||
cwd = getcwd(0, 0);
|
||||
chdir("/");
|
||||
snprintf(buf, sizeof(buf), "ar -p %s data.tar.gz|zcat|tar -xf -", pkg->file);
|
||||
if (SYSTEM(buf) == 0) {
|
||||
/* Installs the package scripts into the info directory */
|
||||
for (i = 0; i < sizeof(adminscripts) / sizeof(adminscripts[0]); i++) {
|
||||
snprintf(buf, sizeof(buf), "%s%s/%s",
|
||||
DPKGCIDIR, pkg->package, adminscripts[i]);
|
||||
snprintf(buf2, sizeof(buf), "%s%s.%s",
|
||||
infodir, pkg->package, adminscripts[i]);
|
||||
if (copy_file(buf, buf2, TRUE, FALSE, FALSE) < 0) {
|
||||
fprintf(stderr, "Cannot copy %s to %s: %s\n",
|
||||
buf, buf2, strerror(errno));
|
||||
r = 1;
|
||||
break;
|
||||
} else {
|
||||
/* ugly hack to create the list file; should
|
||||
* probably do something more elegant
|
||||
*
|
||||
* why oh why does dpkg create the list file
|
||||
* so oddly...
|
||||
*/
|
||||
snprintf(buf, sizeof(buf),
|
||||
"ar -p %s data.tar.gz|zcat|tar -tf -",
|
||||
pkg->file);
|
||||
snprintf(buf2, sizeof(buf2),
|
||||
"%s%s.list", infodir, pkg->package);
|
||||
if ((infp = popen(buf, "r")) == NULL ||
|
||||
(outfp = fopen(buf2, "w")) == NULL) {
|
||||
fprintf(stderr, "Cannot create %s\n",
|
||||
buf2);
|
||||
r = 1;
|
||||
break;
|
||||
}
|
||||
while (fgets(buf, sizeof(buf), infp) &&
|
||||
!feof(infp)) {
|
||||
p = buf;
|
||||
if (*p == '.') p++;
|
||||
if (*p == '/' && *(p+1) == '\n') {
|
||||
*(p+1) = '.';
|
||||
*(p+2) = '\n';
|
||||
*(p+3) = 0;
|
||||
}
|
||||
if (p[strlen(p)-2] == '/') {
|
||||
p[strlen(p)-2] = '\n';
|
||||
p[strlen(p)-1] = 0;
|
||||
}
|
||||
fputs(p, outfp);
|
||||
}
|
||||
fclose(infp);
|
||||
fclose(outfp);
|
||||
}
|
||||
}
|
||||
pkg->status &= status_wantmask;
|
||||
pkg->status |= status_wantinstall;
|
||||
pkg->status &= status_flagmask;
|
||||
pkg->status |= status_flagok;
|
||||
pkg->status &= status_statusmask;
|
||||
if (r == 0)
|
||||
pkg->status |= status_statusunpacked;
|
||||
else
|
||||
pkg->status |= status_statushalfinstalled;
|
||||
if (SYSTEM(buf) != 0) {
|
||||
goto end;
|
||||
}
|
||||
/* Installs the package scripts into the info directory */
|
||||
for (i = 0; i < sizeof(adminscripts) / sizeof(adminscripts[0]); i++) {
|
||||
snprintf(buf, sizeof(buf), "%s%s/%s",
|
||||
dpkgcidir, pkg->package, adminscripts[i]);
|
||||
snprintf(buf2, sizeof(buf), "%s%s.%s",
|
||||
infodir, pkg->package, adminscripts[i]);
|
||||
if (copy_file(buf, buf2, TRUE, FALSE, FALSE) < 0) {
|
||||
fprintf(stderr, "Cannot copy %s to %s: %s\n",
|
||||
buf, buf2, strerror(errno));
|
||||
r = 1;
|
||||
break;
|
||||
}
|
||||
/* ugly hack to create the list file; should
|
||||
* probably do something more elegant
|
||||
*
|
||||
* why oh why does dpkg create the list file
|
||||
* so oddly...
|
||||
*/
|
||||
snprintf(buf, sizeof(buf), "ar -p %s data.tar.gz|zcat|tar -tf -", pkg->file);
|
||||
snprintf(buf2, sizeof(buf2), "%s%s.list", infodir, pkg->package);
|
||||
if ((infp = popen(buf, "r")) == NULL || (outfp = fopen(buf2, "w")) == NULL) {
|
||||
fprintf(stderr, "Cannot create %s\n", buf2);
|
||||
r = 1;
|
||||
break;
|
||||
}
|
||||
while (fgets(buf, sizeof(buf), infp) && !feof(infp)) {
|
||||
p = buf;
|
||||
if (*p == '.') {
|
||||
p++;
|
||||
}
|
||||
if ((*p == '/') && (*(p + 1) == '\n')) {
|
||||
*(p + 1) = '.';
|
||||
*(p + 2) = '\n';
|
||||
*(p + 3) = 0;
|
||||
}
|
||||
if (p[strlen(p) - 2] == '/') {
|
||||
p[strlen(p) - 2] = '\n';
|
||||
p[strlen(p) - 1] = 0;
|
||||
}
|
||||
fputs(p, outfp);
|
||||
}
|
||||
fclose(infp);
|
||||
fclose(outfp);
|
||||
}
|
||||
|
||||
pkg->status &= status_wantmask;
|
||||
pkg->status |= status_wantinstall;
|
||||
pkg->status &= status_flagmask;
|
||||
pkg->status |= status_flagok;
|
||||
pkg->status &= status_statusmask;
|
||||
|
||||
if (r == 0) {
|
||||
pkg->status |= status_statusunpacked;
|
||||
} else {
|
||||
pkg->status |= status_statushalfinstalled;
|
||||
}
|
||||
end:
|
||||
chdir(cwd);
|
||||
return r;
|
||||
}
|
||||
@ -638,15 +650,17 @@ static int dpkg_unpackcontrol(package_t *pkg)
|
||||
p = strrchr(pkg->file, '/');
|
||||
if (p) p++; else p = pkg->file;
|
||||
p = pkg->package = strdup(p);
|
||||
while (*p != 0 && *p != '_' && *p != '.') p++;
|
||||
while (*p != 0 && *p != '_' && *p != '.') {
|
||||
p++;
|
||||
}
|
||||
*p = 0;
|
||||
|
||||
cwd = getcwd(0, 0);
|
||||
snprintf(buf, sizeof(buf), "%s%s", DPKGCIDIR, pkg->package);
|
||||
snprintf(buf, sizeof(buf), "%s%s", dpkgcidir, pkg->package);
|
||||
DPRINTF("dir = %s\n", buf);
|
||||
|
||||
if (mkdir(buf, S_IRWXU) == 0 && chdir(buf) == 0) {
|
||||
snprintf(buf, sizeof(buf), "ar -p %s control.tar.gz|zcat|tar -xf -",
|
||||
pkg->file);
|
||||
snprintf(buf, sizeof(buf), "ar -p %s control.tar.gz|zcat|tar -xf -", pkg->file);
|
||||
if (SYSTEM(buf) == 0) {
|
||||
if ((f = fopen("control", "r")) != NULL) {
|
||||
control_read(f, pkg);
|
||||
@ -654,9 +668,9 @@ static int dpkg_unpackcontrol(package_t *pkg)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
chdir(cwd);
|
||||
free(cwd);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
@ -666,19 +680,19 @@ static int dpkg_unpack(package_t *pkgs)
|
||||
package_t *pkg;
|
||||
void *status = status_read();
|
||||
|
||||
if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 ||
|
||||
mkdir(DPKGCIDIR, S_IRWXU) != 0) {
|
||||
if (SYSTEM(rm_dpkgcidir) != 0 ||
|
||||
mkdir(dpkgcidir, S_IRWXU) != 0) {
|
||||
perror("mkdir");
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
|
||||
dpkg_unpackcontrol(pkg);
|
||||
r = dpkg_dounpack(pkg);
|
||||
if (r != 0) break;
|
||||
}
|
||||
status_merge(status, pkgs);
|
||||
SYSTEM("rm -rf -- " DPKGCIDIR);
|
||||
SYSTEM(rm_dpkgcidir);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
@ -688,18 +702,23 @@ static int dpkg_configure(package_t *pkgs)
|
||||
void *found;
|
||||
package_t *pkg;
|
||||
void *status = status_read();
|
||||
|
||||
for (pkg = pkgs; pkg != 0 && r == 0; pkg = pkg->next) {
|
||||
found = tfind(pkg, &status, package_compare);
|
||||
|
||||
if (found == 0) {
|
||||
fprintf(stderr, "Trying to configure %s, but it is not installed\n", pkg->package);
|
||||
r = 1;
|
||||
} else {
|
||||
/* configure the package listed in the status file;
|
||||
* not pkg, as we have info only for the latter */
|
||||
}
|
||||
/* configure the package listed in the status file;
|
||||
* not pkg, as we have info only for the latter
|
||||
*/
|
||||
else {
|
||||
r = dpkg_doconfigure(*(package_t **)found);
|
||||
}
|
||||
}
|
||||
status_merge(status, 0);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
@ -707,8 +726,9 @@ static int dpkg_install(package_t *pkgs)
|
||||
{
|
||||
package_t *p, *ordered = 0;
|
||||
void *status = status_read();
|
||||
if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 ||
|
||||
mkdir(DPKGCIDIR, S_IRWXU) != 0) {
|
||||
|
||||
if (SYSTEM(rm_dpkgcidir) != 0 ||
|
||||
mkdir(dpkgcidir, S_IRWXU) != 0) {
|
||||
perror("mkdir");
|
||||
return 1;
|
||||
}
|
||||
@ -747,7 +767,8 @@ static int dpkg_install(package_t *pkgs)
|
||||
if (ordered != 0) {
|
||||
status_merge(status, pkgs);
|
||||
}
|
||||
SYSTEM("rm -rf -- " DPKGCIDIR);
|
||||
SYSTEM(rm_dpkgcidir);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -755,10 +776,12 @@ static int dpkg_remove(package_t *pkgs)
|
||||
{
|
||||
package_t *p;
|
||||
void *status = status_read();
|
||||
|
||||
for (p = pkgs; p != 0; p = p->next)
|
||||
{
|
||||
}
|
||||
status_merge(status, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -768,16 +791,19 @@ extern int dpkg_main(int argc, char **argv)
|
||||
char *s;
|
||||
package_t *p, *packages = NULL;
|
||||
char *cwd = getcwd(0, 0);
|
||||
|
||||
while (*++argv) {
|
||||
if (**argv == '-') {
|
||||
/* Nasty little hack to "parse" long options. */
|
||||
s = *argv;
|
||||
while (*s == '-')
|
||||
while (*s == '-') {
|
||||
s++;
|
||||
}
|
||||
opt=s[0];
|
||||
} else {
|
||||
p = (package_t *)xmalloc(sizeof(package_t));
|
||||
memset(p, 0, sizeof(package_t));
|
||||
|
||||
if (**argv == '/') {
|
||||
p->file = *argv;
|
||||
} else
|
||||
@ -787,11 +813,12 @@ extern int dpkg_main(int argc, char **argv)
|
||||
} else {
|
||||
p->package = strdup(*argv);
|
||||
}
|
||||
|
||||
p->next = packages;
|
||||
packages = p;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
switch (opt) {
|
||||
case 'i':
|
||||
return dpkg_install(packages);
|
||||
@ -801,10 +828,8 @@ extern int dpkg_main(int argc, char **argv)
|
||||
return dpkg_unpack(packages);
|
||||
case 'c':
|
||||
return dpkg_configure(packages);
|
||||
default :
|
||||
usage(dpkg_usage);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* if it falls through to here, some of the command line options were
|
||||
wrong */
|
||||
usage(dpkg_usage);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user