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-rw-r--r--archival/dpkg.c305
1 files changed, 132 insertions, 173 deletions
diff --git a/archival/dpkg.c b/archival/dpkg.c
index 24b0204..ef120a1 100644
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -112,23 +112,19 @@ static char **depends_split(const char *dependsstr)
dependsvec[0] = 0;
- if (dependsstr != 0)
- {
+ if (dependsstr != 0) {
p = strdup(dependsstr);
- while (*p != 0 && *p != '\n')
- {
- if (*p != ' ')
- {
- if (*p == ',')
- {
+ while (*p != 0 && *p != '\n') {
+ if (*p != ' ') {
+ if (*p == ',') {
*p = 0;
dependsvec[++i] = 0;
- }
- else if (dependsvec[i] == 0)
- dependsvec[i] = p;
- }
- else
+ } else
+ if (dependsvec[i] == 0)
+ dependsvec[i] = p;
+ } else {
*p = 0; /* eat the space... */
+ }
p++;
}
*p = 0;
@@ -213,12 +209,10 @@ static package_t *depends_resolve(package_t *pkgs, void *status)
int i;
void *found;
- for (pkg = pkgs; pkg != 0; pkg = pkg->next)
- {
+ for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
dependsvec = depends_split(pkg->depends);
i = 0;
- while (dependsvec[i] != 0)
- {
+ while (dependsvec[i] != 0) {
/* Check for dependencies; first look for installed packages */
dependpkg.package = dependsvec[i];
if ((found = tfind(&dependpkg, &status, package_compare)) == 0 ||
@@ -228,25 +222,22 @@ static package_t *depends_resolve(package_t *pkgs, void *status)
{
/* if it fails, we look through the list of packages we are going to
* install */
- for (chk = pkgs; chk != 0; chk = chk->next)
- {
+ for (chk = pkgs; chk != 0; chk = chk->next) {
if (strcmp(chk->package, dependsvec[i]) == 0 ||
(chk->provides &&
- strncmp(chk->provides, dependsvec[i], strlen(dependsvec[i])) == 0))
- {
- if (chk->requiredcount >= DEPENDSMAX)
- {
+ strncmp(chk->provides, dependsvec[i], strlen(dependsvec[i])) == 0)) {
+ if (chk->requiredcount >= DEPENDSMAX) {
fprintf(stderr, "Too many dependencies for %s\n",
chk->package);
return 0;
}
- if (chk != pkg)
+ if (chk != pkg) {
chk->requiredfor[chk->requiredcount++] = pkg;
+ }
break;
}
}
- if (chk == 0)
- {
+ if (chk == 0) {
fprintf(stderr, "%s depends on %s, but it is not going to be installed\n", pkg->package, dependsvec[i]);
return 0;
}
@@ -284,16 +275,17 @@ static unsigned long status_parse(const char *line)
p = strchr(line, ' ');
if (p) *p = 0;
j = 1;
- while (statuswords[i][j] != 0)
- {
- if (strcmp(line, statuswords[i][j]) == 0)
- {
+ while (statuswords[i][j] != 0) {
+ if (strcmp(line, statuswords[i][j]) == 0) {
l |= (1 << ((int)statuswords[i][0] + j - 1));
break;
}
j++;
}
- if (statuswords[i][j] == 0) return 0; /* parse error */
+ /* parse error */
+ if (statuswords[i][j] == 0) {
+ return 0;
+ }
line = p+1;
}
return l;
@@ -306,21 +298,17 @@ static const char *status_print(unsigned long flags)
int i, j;
buf[0] = 0;
- for (i = 0; i < 3; i++)
- {
+ for (i = 0; i < 3; i++) {
j = 1;
- while (statuswords[i][j] != 0)
- {
- if ((flags & (1 << ((int)statuswords[i][0] + j - 1))) != 0)
- {
+ while (statuswords[i][j] != 0) {
+ if ((flags & (1 << ((int)statuswords[i][0] + j - 1))) != 0) {
strcat(buf, statuswords[i][j]);
if (i < 2) strcat(buf, " ");
break;
}
j++;
}
- if (statuswords[i][j] == 0)
- {
+ if (statuswords[i][j] == 0) {
fprintf(stderr, "corrupted status flag!!\n");
return NULL;
}
@@ -332,41 +320,37 @@ static const char *status_print(unsigned long flags)
* Read a control file (or a stanza of a status file) and parse it,
* filling parsed fields into the package structure
*/
-static void control_read(FILE *f, package_t *p)
+static void control_read(FILE *file, package_t *p)
{
- char buf[BUFSIZE];
- while (fgets(buf, BUFSIZE, f) && !feof(f))
- {
- buf[strlen(buf)-1] = 0;
- if (*buf == 0)
- return;
- else if (strstr(buf, "Package: ") == buf)
- {
- p->package = strdup(buf+9);
- }
- else if (strstr(buf, "Status: ") == buf)
- {
- p->status = status_parse(buf+8);
- }
- else if (strstr(buf, "Depends: ") == buf)
- {
- p->depends = strdup(buf+9);
- }
- else if (strstr(buf, "Provides: ") == buf)
- {
- p->provides = strdup(buf+10);
- }
+ char *line;
+
+ while ((line = get_line_from_file(file)) != NULL) {
+ line[strlen(line)] = 0;
+ if (strlen(line) == 0) {
+ break;
+ } else
+ if (strstr(line, "Package: ") == line) {
+ p->package = strdup(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);
+ } else
+ if (strstr(line, "Provides: ") == line) {
+ p->provides = strdup(line + 10);
+ } else
+ if (strstr(line, "Description: ") == line) {
+ p->description = strdup(line + 13);
/* This is specific to the Debian Installer. Ifdef? */
- else if (strstr(buf, "installer-menu-item: ") == buf)
- {
- p->installer_menu_item = atoi(buf+21);
- }
- else if (strstr(buf, "Description: ") == buf)
- {
- p->description = strdup(buf+13);
+ } else
+ if (strstr(line, "installer-menu-item: ") == line) {
+ p->installer_menu_item = atoi(line + 21);
}
/* TODO: localized descriptions */
}
+ free(line);
}
static void *status_read(void)
@@ -375,20 +359,18 @@ static void *status_read(void)
void *status = 0;
package_t *m = 0, *p = 0, *t = 0;
- if ((f = fopen(STATUSFILE, "r")) == NULL)
- {
+ if ((f = fopen(STATUSFILE, "r")) == NULL) {
perror(STATUSFILE);
return 0;
}
- if (getenv(udpkg_quiet) == NULL)
+ if (getenv(udpkg_quiet) == NULL) {
printf("(Reading database...)\n");
- while (!feof(f))
- {
- m = (package_t *)malloc(sizeof(package_t));
+ }
+ while (!feof(f)) {
+ m = (package_t *)xmalloc(sizeof(package_t));
memset(m, 0, sizeof(package_t));
control_read(f, m);
- if (m->package)
- {
+ if (m->package) {
/*
* If there is an item in the tree by this name,
* it must be a virtual package; insert real
@@ -396,20 +378,18 @@ static void *status_read(void)
*/
tdelete(m, &status, package_compare);
tsearch(m, &status, package_compare);
- if (m->provides)
- {
+ if (m->provides) {
/*
* A "Provides" triggers the insertion
* of a pseudo package into the status
* binary-tree.
*/
- p = (package_t *)malloc(sizeof(package_t));
+ p = (package_t *)xmalloc(sizeof(package_t));
memset(p, 0, sizeof(package_t));
p->package = strdup(m->provides);
t = *(package_t **)tsearch(p, &status, package_compare);
- if (!(t == p))
- {
+ if (!(t == p)) {
free(p->package);
free(p);
}
@@ -426,8 +406,7 @@ static void *status_read(void)
}
}
}
- else
- {
+ else {
free(m);
}
}
@@ -438,26 +417,24 @@ static void *status_read(void)
static int status_merge(void *status, package_t *pkgs)
{
FILE *fin, *fout;
- char buf[BUFSIZE];
+ char *line;
package_t *pkg = 0, *statpkg = 0;
package_t locpkg;
int r = 0;
- if ((fin = fopen(STATUSFILE, "r")) == NULL)
- {
+ if ((fin = fopen(STATUSFILE, "r")) == NULL) {
perror(STATUSFILE);
return 0;
}
- if ((fout = fopen(STATUSFILE ".new", "w")) == NULL)
- {
+ if ((fout = fopen(STATUSFILE ".new", "w")) == NULL) {
perror(STATUSFILE ".new");
return 0;
}
- if (getenv(udpkg_quiet) == NULL)
+ if (getenv(udpkg_quiet) == NULL) {
printf("(Updating database...)\n");
- while (fgets(buf, BUFSIZE, fin) && !feof(fin))
- {
- buf[strlen(buf)-1] = 0; /* trim newline */
+ }
+ while (((line = get_line_from_file(fin)) != NULL) && (feof(fin) != 0)) {
+ 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).
@@ -465,31 +442,33 @@ static int status_merge(void *status, package_t *pkgs)
* we also look at packages in the status cache and update
* their status fields
*/
- if (strstr(buf, "Package: ") == buf)
- {
- for (pkg = pkgs; pkg != 0 && strncmp(buf + 9,
- pkg->package, strlen(buf) - 9)!=0;
+ if (strstr(line, "Package: ") == line) {
+ for (pkg = pkgs; pkg != 0 && strncmp(line + 9,
+ pkg->package, strlen(line) - 9) != 0;
pkg = pkg->next) ;
- locpkg.package = buf+9;
+ 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;
+ if (statpkg != 0) {
+ statpkg = *(package_t **)statpkg;
+ }
}
- if (pkg != 0) continue;
-
- if (strstr(buf, "Status: ") == buf && statpkg != 0)
- {
- snprintf(buf, sizeof(buf), "Status: %s",
- status_print(statpkg->status));
+ if (pkg != 0) {
+ continue;
}
- fputs(buf, fout);
+ 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);
// Print out packages we processed.
for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
@@ -510,7 +489,9 @@ static int status_merge(void *status, package_t *pkgs)
fclose(fout);
r = rename(STATUSFILE, STATUSFILE ".bak");
- if (r == 0) r = rename(STATUSFILE ".new", STATUSFILE);
+ if (r == 0) {
+ r = rename(STATUSFILE ".new", STATUSFILE);
+ }
return 0;
}
@@ -532,7 +513,9 @@ static int is_file(const char *fn)
{
struct stat statbuf;
- if (stat(fn, &statbuf) < 0) return 0;
+ if (stat(fn, &statbuf) < 0) {
+ return 0;
+ }
return S_ISREG(statbuf.st_mode);
}
@@ -544,11 +527,9 @@ static int dpkg_doconfigure(package_t *pkg)
DPRINTF("Configuring %s\n", pkg->package);
pkg->status &= status_statusmask;
snprintf(postinst, sizeof(postinst), "%s%s.postinst", infodir, pkg->package);
- if (is_file(postinst))
- {
+ if (is_file(postinst)) {
snprintf(buf, sizeof(buf), "%s configure", postinst);
- if ((r = do_system(buf)) != 0)
- {
+ if ((r = do_system(buf)) != 0) {
fprintf(stderr, "postinst exited with status %d\n", r);
pkg->status |= status_statushalfconfigured;
return 1;
@@ -576,25 +557,19 @@ static int dpkg_dounpack(package_t *pkg)
cwd = getcwd(0, 0);
chdir("/");
snprintf(buf, sizeof(buf), "ar -p %s data.tar.gz|zcat|tar -xf -", pkg->file);
- if (SYSTEM(buf) == 0)
- {
+ if (SYSTEM(buf) == 0) {
/* Installs the package scripts into the info directory */
- for (i = 0; i < sizeof(adminscripts) / sizeof(adminscripts[0]);
- i++)
- {
+ 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)
- {
+ 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
- {
+ } else {
/* ugly hack to create the list file; should
* probably do something more elegant
*
@@ -607,26 +582,22 @@ static int dpkg_dounpack(package_t *pkg)
snprintf(buf2, sizeof(buf2),
"%s%s.list", infodir, pkg->package);
if ((infp = popen(buf, "r")) == NULL ||
- (outfp = fopen(buf2, "w")) == NULL)
- {
+ (outfp = fopen(buf2, "w")) == NULL) {
fprintf(stderr, "Cannot create %s\n",
buf2);
r = 1;
break;
}
while (fgets(buf, sizeof(buf), infp) &&
- !feof(infp))
- {
+ !feof(infp)) {
p = buf;
if (*p == '.') p++;
- if (*p == '/' && *(p+1) == '\n')
- {
+ if (*p == '/' && *(p+1) == '\n') {
*(p+1) = '.';
*(p+2) = '\n';
*(p+3) = 0;
}
- if (p[strlen(p)-2] == '/')
- {
+ if (p[strlen(p)-2] == '/') {
p[strlen(p)-2] = '\n';
p[strlen(p)-1] = 0;
}
@@ -673,12 +644,10 @@ static int dpkg_unpackcontrol(package_t *pkg)
cwd = getcwd(0, 0);
snprintf(buf, sizeof(buf), "%s%s", DPKGCIDIR, pkg->package);
DPRINTF("dir = %s\n", buf);
- if (mkdir(buf, S_IRWXU) == 0 && chdir(buf) == 0)
- {
+ if (mkdir(buf, S_IRWXU) == 0 && chdir(buf) == 0) {
snprintf(buf, sizeof(buf), "ar -p %s control.tar.gz|zcat|tar -xf -",
pkg->file);
- if (SYSTEM(buf) == 0)
- {
+ if (SYSTEM(buf) == 0) {
if ((f = fopen("control", "r")) != NULL) {
control_read(f, pkg);
r = 0;
@@ -698,14 +667,12 @@ static int dpkg_unpack(package_t *pkgs)
void *status = status_read();
if (SYSTEM("rm -rf -- " DPKGCIDIR) != 0 ||
- mkdir(DPKGCIDIR, S_IRWXU) != 0)
- {
+ mkdir(DPKGCIDIR, S_IRWXU) != 0) {
perror("mkdir");
return 1;
}
- for (pkg = pkgs; pkg != 0; pkg = pkg->next)
- {
+ for (pkg = pkgs; pkg != 0; pkg = pkg->next) {
dpkg_unpackcontrol(pkg);
r = dpkg_dounpack(pkg);
if (r != 0) break;
@@ -721,16 +688,12 @@ 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)
- {
+ for (pkg = pkgs; pkg != 0 && r == 0; pkg = pkg->next) {
found = tfind(pkg, &status, package_compare);
- if (found == 0)
- {
+ if (found == 0) {
fprintf(stderr, "Trying to configure %s, but it is not installed\n", pkg->package);
r = 1;
- }
- else
- {
+ } else {
/* configure the package listed in the status file;
* not pkg, as we have info only for the latter */
r = dpkg_doconfigure(*(package_t **)found);
@@ -745,16 +708,14 @@ 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)
- {
+ mkdir(DPKGCIDIR, S_IRWXU) != 0) {
perror("mkdir");
return 1;
}
/* Stage 1: parse all the control information */
for (p = pkgs; p != 0; p = p->next)
- if (dpkg_unpackcontrol(p) != 0)
- {
+ if (dpkg_unpackcontrol(p) != 0) {
perror(p->file);
/* force loop break, and prevents further ops */
pkgs = 0;
@@ -768,8 +729,7 @@ static int dpkg_install(package_t *pkgs)
#endif
/* Stage 3: install */
- for (p = ordered; p != 0; p = p->next)
- {
+ for (p = ordered; p != 0; p = p->next) {
p->status &= status_wantmask;
p->status |= status_wantinstall;
@@ -779,14 +739,14 @@ static int dpkg_install(package_t *pkgs)
p->status &= status_flagmask;
p->status |= status_flagok;
- if (dpkg_doinstall(p) != 0)
- {
+ if (dpkg_doinstall(p) != 0) {
perror(p->file);
}
}
- if (ordered != 0)
+ if (ordered != 0) {
status_merge(status, pkgs);
+ }
SYSTEM("rm -rf -- " DPKGCIDIR);
return 0;
}
@@ -808,27 +768,23 @@ extern int dpkg_main(int argc, char **argv)
char *s;
package_t *p, *packages = NULL;
char *cwd = getcwd(0, 0);
- while (*++argv)
- {
+ while (*++argv) {
if (**argv == '-') {
/* Nasty little hack to "parse" long options. */
s = *argv;
while (*s == '-')
s++;
opt=s[0];
- }
- else
- {
- p = (package_t *)malloc(sizeof(package_t));
+ } else {
+ p = (package_t *)xmalloc(sizeof(package_t));
memset(p, 0, sizeof(package_t));
- if (**argv == '/')
+ if (**argv == '/') {
p->file = *argv;
- else if (opt != 'c')
- {
- p->file = malloc(strlen(cwd) + strlen(*argv) + 2);
- sprintf(p->file, "%s/%s", cwd, *argv);
- }
- else {
+ } 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->next = packages;
@@ -836,12 +792,15 @@ extern int dpkg_main(int argc, char **argv)
}
}
- switch (opt)
- {
- case 'i': return dpkg_install(packages); break;
- case 'r': return dpkg_remove(packages); break;
- case 'u': return dpkg_unpack(packages); break;
- case 'c': return dpkg_configure(packages); break;
+ switch (opt) {
+ case 'i':
+ return dpkg_install(packages);
+ case 'r':
+ return dpkg_remove(packages);
+ case 'u':
+ return dpkg_unpack(packages);
+ case 'c':
+ return dpkg_configure(packages);
}
/* if it falls through to here, some of the command line options were
generated by cgit v1.1 at 2024-12-25 16:54:05 +0000