Add m-esr52 at 52.6.0

1 files changed, 272 insertions, 0 deletions

diff --git a/security/nss/coreconf/nsinstall/pathsub.c b/security/nss/coreconf/nsinstall/pathsub.c
new file mode 100644
index 000000000..a42a9f30a
--- /dev/null
+++ b/security/nss/coreconf/nsinstall/pathsub.c
@@ -0,0 +1,272 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+** Pathname subroutines.
+*/
+#if defined(FREEBSD) || defined(BSDI) || defined(DARWIN)
+#include <sys/types.h>
+#endif /* FREEBSD */
+#include <dirent.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "pathsub.h"
+#ifdef USE_REENTRANT_LIBC
+#include "libc_r.h"
+#endif /* USE_REENTRANT_LIBC */
+
+char *program;
+
+void
+fail(char *format, ...)
+{
+    int error;
+    va_list ap;
+
+#ifdef USE_REENTRANT_LIBC
+    R_STRERROR_INIT_R();
+#endif
+
+    error = errno;
+    fprintf(stderr, "%s: ", program);
+    va_start(ap, format);
+    vfprintf(stderr, format, ap);
+    va_end(ap);
+    if (error) {
+
+#ifdef USE_REENTRANT_LIBC
+    R_STRERROR_R(errno);
+	fprintf(stderr, ": %s", r_strerror_r);
+#else
+	fprintf(stderr, ": %s", strerror(errno));
+#endif
+    }
+ 
+    putc('\n', stderr);
+    abort();
+    exit(1);
+}
+
+char *
+getcomponent(char *path, char *name)
+{
+    if (*path == '\0')
+	return 0;
+    if (*path == '/') {
+	*name++ = '/';
+    } else {
+	do {
+	    *name++ = *path++;
+	} while (*path != '/' && *path != '\0');
+    }
+    *name = '\0';
+    while (*path == '/')
+	path++;
+    return path;
+}
+
+#ifdef UNIXWARE
+/* The static buffer in Unixware's readdir is too small. */
+struct dirent * readdir(DIR *d)
+{
+    static struct dirent *buf = NULL;
+#define MAX_PATH_LEN 1024
+
+    if (buf == NULL)
+	buf = (struct dirent *)xmalloc(sizeof(struct dirent) + MAX_PATH_LEN) ;
+    return readdir_r(d, buf);
+}
+#endif
+
+/* APPARENT BUG - ignores argument "dir", uses ".." instead. */
+char *
+ino2name(ino_t ino, char *dir)
+{
+    DIR *dp;
+    struct dirent *ep;
+    char *name;
+
+    dp = opendir("..");		/* XXX */
+    if (!dp)
+	fail("cannot read parent directory");
+    for (;;) {
+	if (!(ep = readdir(dp)))
+	    fail("cannot find current directory");
+	if (ep->d_ino == ino)
+	    break;
+    }
+    name = xstrdup(ep->d_name);
+    closedir(dp);
+    return name;
+}
+
+void *
+xmalloc(size_t size)
+{
+    void *p;
+
+    if (size <= 0)
+	fail("attempted to allocate %u bytes", size);
+    p = malloc(size);
+    if (!p)
+	fail("cannot allocate %u bytes", size);
+    return p;
+}
+
+char *
+xstrdup(char *s)
+{
+    if (!s || !s[0]) 
+	fail("Null pointer or empty string passed to xstrdup()");
+    return strcpy((char*)xmalloc(strlen(s) + 1), s);
+}
+
+char *
+xbasename(char *path)
+{
+    char *cp;
+
+    if (!path || !path[0]) 
+	fail("Null pointer or empty string passed to xbasename()");
+    while ((cp = strrchr(path, '/')) && cp[1] == '\0')
+	*cp = '\0';
+    if (!cp) return path;
+    return cp + 1;
+}
+
+void
+xchdir(char *dir)
+{
+    if (!dir || !dir[0]) 
+	fail("Null pointer or empty string passed to xchdir()");
+    if (chdir(dir) < 0)
+	fail("cannot change directory to %s", dir);
+}
+
+int
+relatepaths(char *from, char *to, char *outpath)
+{
+    char *cp, *cp2;
+    int len;
+    char buf[NAME_MAX];
+
+    if (!from || *from != '/')
+	fail("relatepaths: from path does not start with /");
+    if (!to || *to != '/')
+	fail("relatepaths: to   path does not start with /");
+
+    for (cp = to, cp2 = from; *cp == *cp2; cp++, cp2++)
+	if (*cp == '\0')
+	    break;
+    while (cp[-1] != '/')
+	cp--, cp2--;
+    if (cp - 1 == to) {
+	/* closest common ancestor is /, so use full pathname */
+	len = strlen(strcpy(outpath, to));
+	if (outpath[len] != '/') {
+	    outpath[len++] = '/';
+	    outpath[len] = '\0';
+	}
+    } else {
+	len = 0;
+	while ((cp2 = getcomponent(cp2, buf)) != 0) {
+	    strcpy(outpath + len, "../");
+	    len += 3;
+	}
+	while ((cp = getcomponent(cp, buf)) != 0) {
+	    sprintf(outpath + len, "%s/", buf);
+	    len += strlen(outpath + len);
+	}
+    }
+    return len;
+}
+
+void
+reversepath(char *inpath, char *name, int len, char *outpath)
+{
+    char *cp, *cp2;
+    char buf[NAME_MAX];
+    struct stat sb;
+
+    cp = strcpy(outpath + PATH_MAX - (len + 1), name);
+    cp2 = inpath;
+    while ((cp2 = getcomponent(cp2, buf)) != 0) {
+	if (strcmp(buf, ".") == 0)
+	    continue;
+	if (strcmp(buf, "..") == 0) {
+	    if (stat(".", &sb) < 0)
+		fail("cannot stat current directory");
+	    name = ino2name(sb.st_ino, "..");
+	    len = strlen(name);
+	    cp -= len + 1;
+	    strcpy(cp, name);
+	    cp[len] = '/';
+	    free(name);
+	    xchdir("..");
+	} else {
+	    cp -= 3;
+	    strncpy(cp, "../", 3);
+	    xchdir(buf);
+	}
+    }
+    strcpy(outpath, cp);
+}
+
+void
+diagnosePath(const char * path)
+{
+    char *	myPath;
+    char *      slash;
+    int		rv;
+    struct stat sb;
+    char 	buf[BUFSIZ];
+
+    if (!path || !path[0]) 
+	fail("Null pointer or empty string passed to mkdirs()");
+    myPath = strdup(path);
+    if (!myPath)
+	fail("strdup() failed!");
+    do {
+    	rv = lstat(myPath, &sb);
+	if (rv < 0) {
+	    perror(myPath);
+	} else if (S_ISLNK(sb.st_mode)) {
+	    rv = readlink(myPath, buf, sizeof(buf) - 1);
+	    if (rv < 0) {
+	    	perror("readlink");
+		buf[0] = 0;
+	    } else {
+	    	buf[rv] = 0;
+	    }
+	    fprintf(stderr, "%s is a link to %s\n", myPath, buf);
+	} else if (S_ISDIR(sb.st_mode)) {
+	    fprintf(stderr, "%s is a directory\n", myPath);
+	    rv = access(myPath, X_OK);
+	    if (rv < 0) {
+	    	fprintf(stderr, "%s: no search permission\n", myPath);
+	    }
+	} else {
+	    fprintf(stderr, "%s is a file !?!\n", myPath);
+	    rv = access(myPath, F_OK);
+	    if (rv < 0) {
+	    	fprintf(stderr, "%s does not exist\n", myPath);
+	    }
+	}
+
+	/* chop path off one level. */
+	slash = strrchr(myPath, '/');
+	if (!slash)
+	    slash = strrchr(myPath, '\\');
+	if (!slash)
+	    slash = myPath;
+	*slash = 0;
+    } while (myPath[0]);
+    free(myPath);
+}