diff options
Diffstat (limited to 'meta-oem-extra-libs/recipes-core/libtar/files/no_maxpathlen.patch')
-rw-r--r-- | meta-oem-extra-libs/recipes-core/libtar/files/no_maxpathlen.patch | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/meta-oem-extra-libs/recipes-core/libtar/files/no_maxpathlen.patch b/meta-oem-extra-libs/recipes-core/libtar/files/no_maxpathlen.patch new file mode 100644 index 00000000..104dc4cd --- /dev/null +++ b/meta-oem-extra-libs/recipes-core/libtar/files/no_maxpathlen.patch @@ -0,0 +1,491 @@ +Author: Svante Signell <svante.signell@telia.com> +Author: Petter Reinholdtsen <pere@hungry.com> +Author: Magnus Holmgren <magnus@debian.org> +Bug-Debian: http://bugs.debian.org/657116 +Description: Fix FTBFS on Hurd by dynamically allocating path names. + Depends on no_static_buffers.patch, which introduced the th_pathname field. + +--- a/compat/basename.c ++++ b/compat/basename.c +@@ -34,13 +34,25 @@ static char rcsid[] = "$OpenBSD: basenam + #include <errno.h> + #include <string.h> + #include <sys/param.h> ++#include <stdlib.h> + + char * + openbsd_basename(path) + const char *path; + { +- static char bname[MAXPATHLEN]; ++ static char *bname = NULL; ++ static size_t allocated = 0; + register const char *endp, *startp; ++ int len = 0; ++ ++ if (!allocated) { ++ allocated = 64; ++ bname = malloc(allocated); ++ if (!bname) { ++ allocated = 0; ++ return NULL; ++ } ++ } + + /* Empty or NULL string gets treated as "." */ + if (path == NULL || *path == '\0') { +@@ -64,11 +76,19 @@ openbsd_basename(path) + while (startp > path && *(startp - 1) != '/') + startp--; + +- if (endp - startp + 1 > sizeof(bname)) { +- errno = ENAMETOOLONG; +- return(NULL); ++ len = endp - startp + 1; ++ ++ if (len + 1 > allocated) { ++ size_t new_allocated = 2*(len+1); ++ void *new_bname = malloc(new_allocated); ++ if (!new_bname) ++ return NULL; ++ allocated = new_allocated; ++ free(bname); ++ bname = new_bname; + } +- (void)strncpy(bname, startp, endp - startp + 1); +- bname[endp - startp + 1] = '\0'; ++ ++ (void)strncpy(bname, startp, len); ++ bname[len] = '\0'; + return(bname); + } +--- a/compat/dirname.c ++++ b/compat/dirname.c +@@ -34,13 +34,25 @@ static char rcsid[] = "$OpenBSD: dirname + #include <errno.h> + #include <string.h> + #include <sys/param.h> ++#include <stdlib.h> + + char * + openbsd_dirname(path) + const char *path; + { +- static char bname[MAXPATHLEN]; ++ static char *bname = NULL; ++ static size_t allocated = 0; + register const char *endp; ++ int len; ++ ++ if (!allocated) { ++ allocated = 64; ++ bname = malloc(allocated); ++ if (!bname) { ++ allocated = 0; ++ return NULL; ++ } ++ } + + /* Empty or NULL string gets treated as "." */ + if (path == NULL || *path == '\0') { +@@ -67,11 +79,19 @@ openbsd_dirname(path) + } while (endp > path && *endp == '/'); + } + +- if (endp - path + 1 > sizeof(bname)) { +- errno = ENAMETOOLONG; +- return(NULL); ++ len = endp - path + 1; ++ ++ if (len + 1 > allocated) { ++ size_t new_allocated = 2*(len+1); ++ void *new_bname = malloc(new_allocated); ++ if (!new_bname) ++ return NULL; ++ allocated = new_allocated; ++ free(bname); ++ bname = new_bname; + } +- (void)strncpy(bname, path, endp - path + 1); +- bname[endp - path + 1] = '\0'; ++ ++ (void)strncpy(bname, path, len); ++ bname[len] = '\0'; + return(bname); + } +--- a/lib/append.c ++++ b/lib/append.c +@@ -38,7 +38,7 @@ typedef struct tar_dev tar_dev_t; + struct tar_ino + { + ino_t ti_ino; +- char ti_name[MAXPATHLEN]; ++ char ti_name[]; + }; + typedef struct tar_ino tar_ino_t; + +@@ -61,7 +61,7 @@ tar_append_file(TAR *t, const char *real + libtar_hashptr_t hp; + tar_dev_t *td = NULL; + tar_ino_t *ti = NULL; +- char path[MAXPATHLEN]; ++ char *path = NULL; + + #ifdef DEBUG + printf("==> tar_append_file(TAR=0x%lx (\"%s\"), realname=\"%s\", " +@@ -126,34 +126,39 @@ tar_append_file(TAR *t, const char *real + } + else + { ++ const char *name; + #ifdef DEBUG + printf("+++ adding entry: device (0x%lx,0x%lx), inode %ld " + "(\"%s\")...\n", major(s.st_dev), minor(s.st_dev), + s.st_ino, realname); + #endif +- ti = (tar_ino_t *)calloc(1, sizeof(tar_ino_t)); ++ name = savename ? savename : realname; ++ ti = (tar_ino_t *)calloc(1, sizeof(tar_ino_t) + strlen(name) + 1); + if (ti == NULL) + return -1; + ti->ti_ino = s.st_ino; +- snprintf(ti->ti_name, sizeof(ti->ti_name), "%s", +- savename ? savename : realname); ++ snprintf(ti->ti_name, strlen(name) + 1, "%s", name); + libtar_hash_add(td->td_h, ti); + } + + /* check if it's a symlink */ + if (TH_ISSYM(t)) + { +- i = readlink(realname, path, sizeof(path)); ++ if ((path = malloc(s.st_size + 1)) == NULL) ++ return -1; ++ i = readlink(realname, path, s.st_size); + if (i == -1) ++ { ++ free(path); + return -1; +- if (i >= MAXPATHLEN) +- i = MAXPATHLEN - 1; ++ } + path[i] = '\0'; + #ifdef DEBUG + printf(" tar_append_file(): encoding symlink \"%s\" -> " + "\"%s\"...\n", realname, path); + #endif + th_set_link(t, path); ++ free(path); + } + + /* print file info */ +--- a/lib/decode.c ++++ b/lib/decode.c +@@ -33,7 +33,8 @@ th_get_pathname(TAR *t) + /* allocate the th_pathname buffer if not already */ + if (t->th_pathname == NULL) + { +- t->th_pathname = malloc(MAXPATHLEN * sizeof(char)); ++ /* Allocate the maximum length of prefix + '/' + name + '\0' */ ++ t->th_pathname = malloc(155 + 1 + 100 + 1); + if (t->th_pathname == NULL) + /* out of memory */ + return NULL; +@@ -41,11 +42,11 @@ th_get_pathname(TAR *t) + + if (t->th_buf.prefix[0] == '\0') + { +- snprintf(t->th_pathname, MAXPATHLEN, "%.100s", t->th_buf.name); ++ sprintf(t->th_pathname, "%.100s", t->th_buf.name); + } + else + { +- snprintf(t->th_pathname, MAXPATHLEN, "%.155s/%.100s", ++ sprintf(t->th_pathname, "%.155s/%.100s", + t->th_buf.prefix, t->th_buf.name); + } + +--- a/lib/util.c ++++ b/lib/util.c +@@ -15,6 +15,7 @@ + #include <stdio.h> + #include <sys/param.h> + #include <errno.h> ++#include <stdlib.h> + + #ifdef STDC_HEADERS + # include <string.h> +@@ -25,13 +26,15 @@ + int + path_hashfunc(char *key, int numbuckets) + { +- char buf[MAXPATHLEN]; ++ char *buf; + char *p; ++ int i; + +- strcpy(buf, key); ++ buf = strdup(key); + p = basename(buf); +- +- return (((unsigned int)p[0]) % numbuckets); ++ i = ((unsigned int)p[0]) % numbuckets; ++ free(buf); ++ return (i); + } + + +@@ -77,15 +80,26 @@ ino_hash(ino_t *inode) + int + mkdirhier(char *path) + { +- char src[MAXPATHLEN], dst[MAXPATHLEN] = ""; +- char *dirp, *nextp = src; +- int retval = 1; ++ char *src, *dst = NULL; ++ char *dirp, *nextp = NULL; ++ int retval = 1, len; ++ ++ len = strlen(path); ++ if ((src = strdup(path)) == NULL) ++ { ++ errno = ENOMEM; ++ return -1; ++ } ++ nextp = src; + +- if (strlcpy(src, path, sizeof(src)) > sizeof(src)) ++ /* Make room for // with absolute paths */ ++ if ((dst = malloc(len + 2)) == NULL) + { +- errno = ENAMETOOLONG; ++ free(src); ++ errno = ENOMEM; + return -1; + } ++ dst[0] = '\0'; + + if (path[0] == '/') + strcpy(dst, "/"); +@@ -102,12 +116,18 @@ mkdirhier(char *path) + if (mkdir(dst, 0777) == -1) + { + if (errno != EEXIST) ++ { ++ free(src); ++ free(dst); + return -1; ++ } + } + else + retval = 0; + } + ++ free(src); ++ free(dst); + return retval; + } + +--- a/lib/wrapper.c ++++ b/lib/wrapper.c +@@ -16,6 +16,7 @@ + #include <sys/param.h> + #include <dirent.h> + #include <errno.h> ++#include <stdlib.h> + + #ifdef STDC_HEADERS + # include <string.h> +@@ -26,8 +27,8 @@ int + tar_extract_glob(TAR *t, char *globname, char *prefix) + { + char *filename; +- char buf[MAXPATHLEN]; +- int i; ++ char *buf = NULL; ++ int i, len; + + while ((i = th_read(t)) == 0) + { +@@ -41,11 +42,25 @@ tar_extract_glob(TAR *t, char *globname, + if (t->options & TAR_VERBOSE) + th_print_long_ls(t); + if (prefix != NULL) +- snprintf(buf, sizeof(buf), "%s/%s", prefix, filename); ++ { ++ len = strlen(prefix) + 1 + strlen(filename); ++ if ((buf = malloc(len + 1)) == NULL) ++ return -1; ++ sprintf(buf, "%s/%s", prefix, filename); ++ } + else +- strlcpy(buf, filename, sizeof(buf)); ++ { ++ len = strlen(filename); ++ if ((buf = malloc(len + 1)) == NULL) ++ return -1; ++ strcpy(buf, filename); ++ } + if (tar_extract_file(t, buf) != 0) ++ { ++ free(buf); + return -1; ++ } ++ free(buf); + } + + return (i == 1 ? 0 : -1); +@@ -56,8 +71,9 @@ int + tar_extract_all(TAR *t, char *prefix) + { + char *filename; +- char buf[MAXPATHLEN]; +- int i; ++ char *buf = NULL; ++ size_t bufsize = 0; ++ int i, len; + + #ifdef DEBUG + printf("==> tar_extract_all(TAR *t, \"%s\")\n", +@@ -73,15 +89,29 @@ tar_extract_all(TAR *t, char *prefix) + if (t->options & TAR_VERBOSE) + th_print_long_ls(t); + if (prefix != NULL) +- snprintf(buf, sizeof(buf), "%s/%s", prefix, filename); ++ { ++ len = strlen(prefix) + 1 + strlen(filename); ++ if ((buf = malloc(len + 1)) == NULL) ++ return -1; ++ sprintf(buf, "%s/%s", prefix, filename); ++ } + else +- strlcpy(buf, filename, sizeof(buf)); ++ { ++ len = strlen(filename); ++ if ((buf = malloc(len + 1)) == NULL) ++ return -1; ++ strcpy(buf, filename); ++ } + #ifdef DEBUG + printf(" tar_extract_all(): calling tar_extract_file(t, " + "\"%s\")\n", buf); + #endif + if (tar_extract_file(t, buf) != 0) ++ { ++ free(buf); + return -1; ++ } ++ free(buf); + } + + return (i == 1 ? 0 : -1); +@@ -91,11 +121,14 @@ tar_extract_all(TAR *t, char *prefix) + int + tar_append_tree(TAR *t, char *realdir, char *savedir) + { +- char realpath[MAXPATHLEN]; +- char savepath[MAXPATHLEN]; ++ char *realpath = NULL; ++ size_t realpathsize = 0; ++ char *savepath = NULL; ++ size_t savepathsize = 0; + struct dirent *dent; + DIR *dp; + struct stat s; ++ int len; + + #ifdef DEBUG + printf("==> tar_append_tree(0x%lx, \"%s\", \"%s\")\n", +@@ -122,11 +155,21 @@ tar_append_tree(TAR *t, char *realdir, c + strcmp(dent->d_name, "..") == 0) + continue; + +- snprintf(realpath, MAXPATHLEN, "%s/%s", realdir, ++ len = strlen(realdir) + 1 + strlen(dent->d_name); ++ if ((realpath = malloc(len + 1)) == NULL) ++ return -1; ++ snprintf(realpath, len + 1, "%s/%s", realdir, + dent->d_name); + if (savedir) +- snprintf(savepath, MAXPATHLEN, "%s/%s", savedir, ++ { ++ len = strlen(savedir) + 1 + strlen(dent->d_name); ++ if ((savepath = malloc(len + 1)) == NULL) { ++ free(realpath); ++ return -1; ++ } ++ snprintf(savepath, len + 1, "%s/%s", savedir, + dent->d_name); ++ } + + if (lstat(realpath, &s) != 0) + return -1; +@@ -135,13 +178,23 @@ tar_append_tree(TAR *t, char *realdir, c + { + if (tar_append_tree(t, realpath, + (savedir ? savepath : NULL)) != 0) ++ { ++ free(realpath); ++ free(savepath); + return -1; ++ } + continue; + } + + if (tar_append_file(t, realpath, + (savedir ? savepath : NULL)) != 0) ++ { ++ free(realpath); ++ free(savepath); + return -1; ++ } ++ free(realpath); ++ free(savepath); + } + + closedir(dp); +--- a/libtar/libtar.c ++++ b/libtar/libtar.c +@@ -111,8 +111,9 @@ create(char *tarfile, char *rootdir, lib + { + TAR *t; + char *pathname; +- char buf[MAXPATHLEN]; ++ char *buf = NULL; + libtar_listptr_t lp; ++ int len; + + if (tar_open(&t, tarfile, + #ifdef HAVE_LIBZ +@@ -133,17 +134,29 @@ create(char *tarfile, char *rootdir, lib + { + pathname = (char *)libtar_listptr_data(&lp); + if (pathname[0] != '/' && rootdir != NULL) +- snprintf(buf, sizeof(buf), "%s/%s", rootdir, pathname); ++ { ++ len = strlen(rootdir) + 1 + strlen(pathname); ++ if ((buf = malloc(len + 1)) == NULL) ++ return -1; ++ snprintf(buf, len + 1, "%s/%s", rootdir, pathname); ++ } + else +- strlcpy(buf, pathname, sizeof(buf)); ++ { ++ len = strlen(pathname); ++ if ((buf = malloc(len + 1)) == NULL) ++ return -1; ++ strlcpy(buf, pathname, len + 1); ++ } + if (tar_append_tree(t, buf, pathname) != 0) + { + fprintf(stderr, + "tar_append_tree(\"%s\", \"%s\"): %s\n", buf, + pathname, strerror(errno)); + tar_close(t); ++ free(buf); + return -1; + } ++ free(buf); + } + + if (tar_append_eof(t) != 0) |