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-rw-r--r--lib/libalpm/util.c470
1 files changed, 299 insertions, 171 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index 430da92a..adb1d192 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -53,10 +53,10 @@
/* libalpm */
#include "util.h"
#include "log.h"
-#include "package.h"
#include "alpm.h"
#include "alpm_list.h"
#include "handle.h"
+#include "trans.h"
#ifndef HAVE_STRSEP
/* This is a replacement for strsep which is not portable (missing on Solaris).
@@ -65,14 +65,14 @@ char* strsep(char** str, const char* delims)
{
char* token;
- if (*str==NULL) {
+ if(*str==NULL) {
/* No more tokens */
return NULL;
}
token=*str;
- while (**str!='\0') {
- if (strchr(delims,**str)!=NULL) {
+ while(**str!='\0') {
+ if(strchr(delims,**str)!=NULL) {
**str='\0';
(*str)++;
return token;
@@ -87,7 +87,7 @@ char* strsep(char** str, const char* delims)
int _alpm_makepath(const char *path)
{
- return(_alpm_makepath_mode(path, 0755));
+ return _alpm_makepath_mode(path, 0755);
}
/* does the same thing as 'mkdir -p' */
@@ -123,7 +123,7 @@ int _alpm_makepath_mode(const char *path, mode_t mode)
free(orig);
free(incr);
umask(oldmask);
- return(ret);
+ return ret;
}
#define CPBUFSIZE 8 * 1024
@@ -137,12 +137,12 @@ int _alpm_copyfile(const char *src, const char *dest)
in = fopen(src, "rb");
if(in == NULL) {
- return(1);
+ return 1;
}
out = fopen(dest, "wb");
if(out == NULL) {
fclose(in);
- return(1);
+ return 1;
}
CALLOC(buf, (size_t)CPBUFSIZE, (size_t)1, ret = 1; goto cleanup;);
@@ -152,9 +152,6 @@ int _alpm_copyfile(const char *src, const char *dest)
size_t nwritten = 0;
nwritten = fwrite(buf, 1, len, out);
if((nwritten != len) || ferror(out)) {
- pm_errno = PM_ERR_WRITE;
- _alpm_log(PM_LOG_ERROR, _("error writing to file '%s': %s\n"),
- dest, strerror(errno));
ret = -1;
goto cleanup;
}
@@ -175,7 +172,7 @@ cleanup:
fclose(in);
fclose(out);
FREE(buf);
- return(ret);
+ return ret;
}
/* Trim whitespace and newlines from a string
@@ -186,7 +183,7 @@ char *_alpm_strtrim(char *str)
if(*str == '\0') {
/* string is empty, so we're done. */
- return(str);
+ return str;
}
while(isspace((unsigned char)*pch)) {
@@ -198,7 +195,7 @@ char *_alpm_strtrim(char *str)
/* check if there wasn't anything but whitespace in the string. */
if(*str == '\0') {
- return(str);
+ return str;
}
pch = (str + (strlen(str) - 1));
@@ -207,7 +204,27 @@ char *_alpm_strtrim(char *str)
}
*++pch = '\0';
- return(str);
+ return str;
+}
+
+/**
+ * Trim trailing newline from a string (if one exists).
+ * @param str a single line of text
+ * @return the length of the trimmed string
+ */
+size_t _alpm_strip_newline(char *str)
+{
+ size_t len;
+ if(str == '\0') {
+ return 0;
+ }
+ len = strlen(str);
+ while(len > 0 && str[len - 1] == '\n') {
+ len--;
+ }
+ str[len] = '\0';
+
+ return len;
}
/* Compression functions */
@@ -215,36 +232,39 @@ char *_alpm_strtrim(char *str)
/**
* @brief Unpack a specific file in an archive.
*
- * @param archive the archive to unpack
- * @param prefix where to extract the files
- * @param fn a file within the archive to unpack
+ * @param handle the context handle
+ * @param archive the archive to unpack
+ * @param prefix where to extract the files
+ * @param filename a file within the archive to unpack
* @return 0 on success, 1 on failure
*/
-int _alpm_unpack_single(const char *archive, const char *prefix, const char *fn)
+int _alpm_unpack_single(alpm_handle_t *handle, const char *archive,
+ const char *prefix, const char *filename)
{
alpm_list_t *list = NULL;
int ret = 0;
- if(fn == NULL) {
- return(1);
+ if(filename == NULL) {
+ return 1;
}
- list = alpm_list_add(list, (void *)fn);
- ret = _alpm_unpack(archive, prefix, list, 1);
+ list = alpm_list_add(list, (void *)filename);
+ ret = _alpm_unpack(handle, archive, prefix, list, 1);
alpm_list_free(list);
- return(ret);
+ return ret;
}
/**
* @brief Unpack a list of files in an archive.
*
- * @param archive the archive to unpack
- * @param prefix where to extract the files
- * @param list a list of files within the archive to unpack or
- * NULL for all
+ * @param handle the context handle
+ * @param archive the archive to unpack
+ * @param prefix where to extract the files
+ * @param list a list of files within the archive to unpack or NULL for all
* @param breakfirst break after the first entry found
*
* @return 0 on success, 1 on failure
*/
-int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int breakfirst)
+int _alpm_unpack(alpm_handle_t *handle, const char *archive, const char *prefix,
+ alpm_list_t *list, int breakfirst)
{
int ret = 0;
mode_t oldmask;
@@ -253,33 +273,33 @@ int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int
char cwd[PATH_MAX];
int restore_cwd = 0;
- ALPM_LOG_FUNC;
-
- if((_archive = archive_read_new()) == NULL)
- RET_ERR(PM_ERR_LIBARCHIVE, 1);
+ if((_archive = archive_read_new()) == NULL) {
+ RET_ERR(handle, ALPM_ERR_LIBARCHIVE, 1);
+ }
archive_read_support_compression_all(_archive);
archive_read_support_format_all(_archive);
if(archive_read_open_filename(_archive, archive,
ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) {
- _alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), archive,
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not open file %s: %s\n"), archive,
archive_error_string(_archive));
- RET_ERR(PM_ERR_PKG_OPEN, 1);
+ RET_ERR(handle, ALPM_ERR_PKG_OPEN, 1);
}
oldmask = umask(0022);
/* save the cwd so we can restore it later */
if(getcwd(cwd, PATH_MAX) == NULL) {
- _alpm_log(PM_LOG_ERROR, _("could not get current working directory\n"));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not get current working directory\n"));
} else {
restore_cwd = 1;
}
/* just in case our cwd was removed in the upgrade operation */
if(chdir(prefix) != 0) {
- _alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), prefix, strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not change directory to %s (%s)\n"),
+ prefix, strerror(errno));
ret = 1;
goto cleanup;
}
@@ -299,21 +319,21 @@ int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int
/* If specific files were requested, skip entries that don't match. */
if(list) {
- char *prefix = strdup(entryname);
- char *p = strstr(prefix,"/");
+ char *entry_prefix = strdup(entryname);
+ char *p = strstr(entry_prefix,"/");
if(p) {
*(p+1) = '\0';
}
- char *found = alpm_list_find_str(list, prefix);
- free(prefix);
+ char *found = alpm_list_find_str(list, entry_prefix);
+ free(entry_prefix);
if(!found) {
- if (archive_read_data_skip(_archive) != ARCHIVE_OK) {
+ if(archive_read_data_skip(_archive) != ARCHIVE_OK) {
ret = 1;
goto cleanup;
}
continue;
} else {
- _alpm_log(PM_LOG_DEBUG, "extracting: %s\n", entryname);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "extracting: %s\n", entryname);
}
}
@@ -321,10 +341,10 @@ int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int
int readret = archive_read_extract(_archive, entry, 0);
if(readret == ARCHIVE_WARN) {
/* operation succeeded but a non-critical error was encountered */
- _alpm_log(PM_LOG_WARNING, _("warning given when extracting %s (%s)\n"),
+ _alpm_log(handle, ALPM_LOG_WARNING, _("warning given when extracting %s (%s)\n"),
entryname, archive_error_string(_archive));
} else if(readret != ARCHIVE_OK) {
- _alpm_log(PM_LOG_ERROR, _("could not extract %s (%s)\n"),
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not extract %s (%s)\n"),
entryname, archive_error_string(_archive));
ret = 1;
goto cleanup;
@@ -339,9 +359,10 @@ cleanup:
umask(oldmask);
archive_read_finish(_archive);
if(restore_cwd && chdir(cwd) != 0) {
- _alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), cwd, strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not change directory to %s (%s)\n"),
+ cwd, strerror(errno));
}
- return(ret);
+ return ret;
}
/* does the same thing as 'rm -rf' */
@@ -356,18 +377,18 @@ int _alpm_rmrf(const char *path)
if(_alpm_lstat(path, &st) == 0) {
if(!S_ISDIR(st.st_mode)) {
if(!unlink(path)) {
- return(0);
+ return 0;
} else {
if(errno == ENOENT) {
- return(0);
+ return 0;
} else {
- return(1);
+ return 1;
}
}
} else {
dirp = opendir(path);
if(!dirp) {
- return(1);
+ return 1;
}
for(dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
if(dp->d_ino) {
@@ -382,16 +403,58 @@ int _alpm_rmrf(const char *path)
errflag++;
}
}
- return(errflag);
+ return errflag;
}
- return(0);
+ return 0;
}
-int _alpm_logaction(int usesyslog, FILE *f, const char *fmt, va_list args)
+/**
+ * Determine if there are files in a directory
+ * @param handle the context handle
+ * @param path the full absolute directory path
+ * @param full_count whether to return an exact count of files
+ * @return a file count if full_count is != 0, else >0 if directory has
+ * contents, 0 if no contents, and -1 on error
+ */
+ssize_t _alpm_files_in_directory(alpm_handle_t *handle, const char *path,
+ int full_count)
+{
+ ssize_t files = 0;
+ struct dirent *ent;
+ DIR *dir = opendir(path);
+
+ if(!dir) {
+ if(errno == ENOTDIR) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "%s was not a directory\n", path);
+ } else {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "could not read directory %s\n",
+ path);
+ }
+ return -1;
+ }
+ while((ent = readdir(dir)) != NULL) {
+ const char *name = ent->d_name;
+
+ if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
+ continue;
+ }
+
+ files++;
+
+ if(!full_count) {
+ break;
+ }
+ }
+
+ closedir(dir);
+ return files;
+}
+
+int _alpm_logaction(alpm_handle_t *handle, const char *fmt, va_list args)
{
int ret = 0;
- if(usesyslog) {
+ if(handle->usesyslog) {
/* we can't use a va_list more than once, so we need to copy it
* so we can use the original when calling vfprintf below. */
va_list args_syslog;
@@ -400,7 +463,7 @@ int _alpm_logaction(int usesyslog, FILE *f, const char *fmt, va_list args)
va_end(args_syslog);
}
- if(f) {
+ if(handle->logstream) {
time_t t;
struct tm *tm;
@@ -408,17 +471,17 @@ int _alpm_logaction(int usesyslog, FILE *f, const char *fmt, va_list args)
tm = localtime(&t);
/* Use ISO-8601 date format */
- fprintf(f, "[%04d-%02d-%02d %02d:%02d] ",
+ fprintf(handle->logstream, "[%04d-%02d-%02d %02d:%02d] ",
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min);
- ret = vfprintf(f, fmt, args);
- fflush(f);
+ ret = vfprintf(handle->logstream, fmt, args);
+ fflush(handle->logstream);
}
- return(ret);
+ return ret;
}
-int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
+int _alpm_run_chroot(alpm_handle_t *handle, const char *path, char *const argv[])
{
char cwd[PATH_MAX];
pid_t pid;
@@ -426,28 +489,28 @@ int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
int restore_cwd = 0;
int retval = 0;
- ALPM_LOG_FUNC;
-
/* save the cwd so we can restore it later */
if(getcwd(cwd, PATH_MAX) == NULL) {
- _alpm_log(PM_LOG_ERROR, _("could not get current working directory\n"));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not get current working directory\n"));
} else {
restore_cwd = 1;
}
/* just in case our cwd was removed in the upgrade operation */
- if(chdir(root) != 0) {
- _alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), root, strerror(errno));
+ if(chdir(handle->root) != 0) {
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not change directory to %s (%s)\n"),
+ handle->root, strerror(errno));
goto cleanup;
}
- _alpm_log(PM_LOG_DEBUG, "executing \"%s\" under chroot \"%s\"\n", path, root);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "executing \"%s\" under chroot \"%s\"\n",
+ path, handle->root);
/* Flush open fds before fork() to avoid cloning buffers */
fflush(NULL);
if(pipe(pipefd) == -1) {
- _alpm_log(PM_LOG_ERROR, _("could not create pipe (%s)\n"), strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not create pipe (%s)\n"), strerror(errno));
retval = 1;
goto cleanup;
}
@@ -455,7 +518,7 @@ int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
/* fork- parent and child each have seperate code blocks below */
pid = fork();
if(pid == -1) {
- _alpm_log(PM_LOG_ERROR, _("could not fork a new process (%s)\n"), strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not fork a new process (%s)\n"), strerror(errno));
retval = 1;
goto cleanup;
}
@@ -470,7 +533,7 @@ int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
close(pipefd[1]);
/* use fprintf instead of _alpm_log to send output through the parent */
- if(chroot(root) != 0) {
+ if(chroot(handle->root) != 0) {
fprintf(stderr, _("could not change the root directory (%s)\n"), strerror(errno));
exit(1);
}
@@ -486,27 +549,27 @@ int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
} else {
/* this code runs for the parent only (wait on the child) */
int status;
- FILE *pipe;
+ FILE *pipe_file;
close(pipefd[1]);
- pipe = fdopen(pipefd[0], "r");
- if(pipe == NULL) {
+ pipe_file = fdopen(pipefd[0], "r");
+ if(pipe_file == NULL) {
close(pipefd[0]);
retval = 1;
} else {
- while(!feof(pipe)) {
+ while(!feof(pipe_file)) {
char line[PATH_MAX];
- if(fgets(line, PATH_MAX, pipe) == NULL)
+ if(fgets(line, PATH_MAX, pipe_file) == NULL)
break;
- alpm_logaction("%s", line);
- EVENT(handle->trans, PM_TRANS_EVT_SCRIPTLET_INFO, line, NULL);
+ alpm_logaction(handle, "%s", line);
+ EVENT(handle->trans, ALPM_TRANS_EVT_SCRIPTLET_INFO, line, NULL);
}
- fclose(pipe);
+ fclose(pipe_file);
}
while(waitpid(pid, &status, 0) == -1) {
if(errno != EINTR) {
- _alpm_log(PM_LOG_ERROR, _("call to waitpid failed (%s)\n"), strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("call to waitpid failed (%s)\n"), strerror(errno));
retval = 1;
goto cleanup;
}
@@ -514,14 +577,14 @@ int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
/* report error from above after the child has exited */
if(retval != 0) {
- _alpm_log(PM_LOG_ERROR, _("could not open pipe (%s)\n"), strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not open pipe (%s)\n"), strerror(errno));
goto cleanup;
}
/* check the return status, make sure it is 0 (success) */
if(WIFEXITED(status)) {
- _alpm_log(PM_LOG_DEBUG, "call to waitpid succeeded\n");
+ _alpm_log(handle, ALPM_LOG_DEBUG, "call to waitpid succeeded\n");
if(WEXITSTATUS(status) != 0) {
- _alpm_log(PM_LOG_ERROR, _("command failed to execute correctly\n"));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("command failed to execute correctly\n"));
retval = 1;
}
}
@@ -529,42 +592,43 @@ int _alpm_run_chroot(const char *root, const char *path, char *const argv[])
cleanup:
if(restore_cwd && chdir(cwd) != 0) {
- _alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), cwd, strerror(errno));
+ _alpm_log(handle, ALPM_LOG_ERROR, _("could not change directory to %s (%s)\n"), cwd, strerror(errno));
}
- return(retval);
+ return retval;
}
-int _alpm_ldconfig(const char *root)
+int _alpm_ldconfig(alpm_handle_t *handle)
{
char line[PATH_MAX];
- _alpm_log(PM_LOG_DEBUG, "running ldconfig\n");
+ _alpm_log(handle, ALPM_LOG_DEBUG, "running ldconfig\n");
- snprintf(line, PATH_MAX, "%setc/ld.so.conf", root);
+ snprintf(line, PATH_MAX, "%setc/ld.so.conf", handle->root);
if(access(line, F_OK) == 0) {
- snprintf(line, PATH_MAX, "%ssbin/ldconfig", root);
+ snprintf(line, PATH_MAX, "%ssbin/ldconfig", handle->root);
if(access(line, X_OK) == 0) {
char *argv[] = { "ldconfig", NULL };
- _alpm_run_chroot(root, "/sbin/ldconfig", argv);
+ _alpm_run_chroot(handle, "/sbin/ldconfig", argv);
}
}
- return(0);
+ return 0;
}
/* Helper function for comparing strings using the
* alpm "compare func" signature */
int _alpm_str_cmp(const void *s1, const void *s2)
{
- return(strcmp(s1, s2));
+ return strcmp(s1, s2);
}
/** Find a filename in a registered alpm cachedir.
+ * @param handle the context handle
* @param filename name of file to find
* @return malloced path of file, NULL if not found
*/
-char *_alpm_filecache_find(const char* filename)
+char *_alpm_filecache_find(alpm_handle_t *handle, const char *filename)
{
char path[PATH_MAX];
char *retpath;
@@ -572,52 +636,56 @@ char *_alpm_filecache_find(const char* filename)
struct stat buf;
/* Loop through the cache dirs until we find a matching file */
- for(i = alpm_option_get_cachedirs(); i; i = alpm_list_next(i)) {
- snprintf(path, PATH_MAX, "%s%s", (char*)alpm_list_getdata(i),
+ for(i = alpm_option_get_cachedirs(handle); i; i = alpm_list_next(i)) {
+ snprintf(path, PATH_MAX, "%s%s", (char *)alpm_list_getdata(i),
filename);
if(stat(path, &buf) == 0 && S_ISREG(buf.st_mode)) {
retpath = strdup(path);
- _alpm_log(PM_LOG_DEBUG, "found cached pkg: %s\n", retpath);
- return(retpath);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "found cached pkg: %s\n", retpath);
+ return retpath;
}
}
/* package wasn't found in any cachedir */
- RET_ERR(PM_ERR_PKG_NOT_FOUND, NULL);
+ return NULL;
}
/** Check the alpm cachedirs for existance and find a writable one.
* If no valid cache directory can be found, use /tmp.
+ * @param handle the context handle
* @return pointer to a writable cache directory.
*/
-const char *_alpm_filecache_setup(void)
+const char *_alpm_filecache_setup(alpm_handle_t *handle)
{
struct stat buf;
alpm_list_t *i, *tmp;
char *cachedir;
/* Loop through the cache dirs until we find a writeable dir */
- for(i = alpm_option_get_cachedirs(); i; i = alpm_list_next(i)) {
+ for(i = alpm_option_get_cachedirs(handle); i; i = alpm_list_next(i)) {
cachedir = alpm_list_getdata(i);
if(stat(cachedir, &buf) != 0) {
/* cache directory does not exist.... try creating it */
- _alpm_log(PM_LOG_WARNING, _("no %s cache exists, creating...\n"),
+ _alpm_log(handle, ALPM_LOG_WARNING, _("no %s cache exists, creating...\n"),
cachedir);
if(_alpm_makepath(cachedir) == 0) {
- _alpm_log(PM_LOG_DEBUG, "using cachedir: %s\n", cachedir);
- return(cachedir);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "using cachedir: %s\n", cachedir);
+ return cachedir;
}
} else if(S_ISDIR(buf.st_mode) && (buf.st_mode & S_IWUSR)) {
- _alpm_log(PM_LOG_DEBUG, "using cachedir: %s\n", cachedir);
- return(cachedir);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "using cachedir: %s\n", cachedir);
+ return cachedir;
+ } else {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "skipping cachedir: %s\n", cachedir);
}
}
/* we didn't find a valid cache directory. use /tmp. */
- tmp = alpm_list_add(NULL, strdup("/tmp/"));
- alpm_option_set_cachedirs(tmp);
- _alpm_log(PM_LOG_DEBUG, "using cachedir: %s", "/tmp/\n");
- _alpm_log(PM_LOG_WARNING, _("couldn't create package cache, using /tmp instead\n"));
- return(alpm_list_getdata(tmp));
+ tmp = alpm_list_add(NULL, "/tmp/");
+ alpm_option_set_cachedirs(handle, tmp);
+ alpm_list_free(tmp);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "using cachedir: %s\n", "/tmp/");
+ _alpm_log(handle, ALPM_LOG_WARNING, _("couldn't create package cache, using /tmp instead\n"));
+ return "/tmp/";
}
/** lstat wrapper that treats /path/dirsymlink/ the same as /path/dirsymlink.
@@ -630,18 +698,19 @@ const char *_alpm_filecache_setup(void)
int _alpm_lstat(const char *path, struct stat *buf)
{
int ret;
- char *newpath = strdup(path);
- size_t len = strlen(newpath);
+ size_t len = strlen(path);
/* strip the trailing slash if one exists */
- if(len != 0 && newpath[len - 1] == '/') {
- newpath[len - 1] = '\0';
+ if(len != 0 && path[len - 1] == '/') {
+ char *newpath = strdup(path);
+ newpath[len - 1] = '\0';
+ ret = lstat(newpath, buf);
+ free(newpath);
+ } else {
+ ret = lstat(path, buf);
}
- ret = lstat(newpath, buf);
-
- FREE(newpath);
- return(ret);
+ return ret;
}
#ifdef HAVE_LIBSSL
@@ -652,11 +721,11 @@ static int md5_file(const char *path, unsigned char output[16])
MD5_CTX ctx;
unsigned char *buf;
- CALLOC(buf, 8192, sizeof(unsigned char), return(1));
+ CALLOC(buf, 8192, sizeof(unsigned char), return 1);
if((f = fopen(path, "rb")) == NULL) {
free(buf);
- return(1);
+ return 1;
}
MD5_Init(&ctx);
@@ -672,11 +741,11 @@ static int md5_file(const char *path, unsigned char output[16])
if(ferror(f) != 0) {
fclose(f);
- return(2);
+ return 2;
}
fclose(f);
- return(0);
+ return 0;
}
#endif
@@ -691,17 +760,15 @@ char SYMEXPORT *alpm_compute_md5sum(const char *filename)
char *md5sum;
int ret, i;
- ALPM_LOG_FUNC;
-
- ASSERT(filename != NULL, return(NULL));
+ ASSERT(filename != NULL, return NULL);
/* allocate 32 chars plus 1 for null */
- md5sum = calloc(33, sizeof(char));
+ CALLOC(md5sum, 33, sizeof(char), return NULL);
/* defined above for OpenSSL, otherwise defined in md5.h */
ret = md5_file(filename, output);
- if (ret > 0) {
- RET_ERR(PM_ERR_NOT_A_FILE, NULL);
+ if(ret > 0) {
+ return NULL;
}
/* Convert the result to something readable */
@@ -709,10 +776,8 @@ char SYMEXPORT *alpm_compute_md5sum(const char *filename)
/* sprintf is acceptable here because we know our output */
sprintf(md5sum +(i * 2), "%02x", output[i]);
}
- md5sum[32] = '\0';
- _alpm_log(PM_LOG_DEBUG, "md5(%s) = %s\n", filename, md5sum);
- return(md5sum);
+ return md5sum;
}
int _alpm_test_md5sum(const char *filepath, const char *md5sum)
@@ -731,7 +796,7 @@ int _alpm_test_md5sum(const char *filepath, const char *md5sum)
}
FREE(md5sum2);
- return(ret);
+ return ret;
}
/* Note: does NOT handle sparse files on purpose for speed. */
@@ -753,13 +818,12 @@ int _alpm_archive_fgets(struct archive *a, struct archive_read_buffer *b)
}
/* zero-copy - this is the entire next block of data. */
- b->ret = archive_read_data_block(a, (void*)&b->block,
+ b->ret = archive_read_data_block(a, (void *)&b->block,
&b->block_size, &offset);
b->block_offset = b->block;
- /* error or end of archive with no data read, cleanup */
- if(b->ret < ARCHIVE_OK ||
- (b->block_size == 0 && b->ret == ARCHIVE_EOF)) {
+ /* error, cleanup */
+ if(b->ret < ARCHIVE_OK) {
goto cleanup;
}
}
@@ -776,20 +840,20 @@ int _alpm_archive_fgets(struct archive *a, struct archive_read_buffer *b)
/* allocate our buffer, or ensure our existing one is big enough */
if(!b->line) {
/* set the initial buffer to the read block_size */
- CALLOC(b->line, b->block_size + 1, sizeof(char),
- RET_ERR(PM_ERR_MEMORY, -1));
+ CALLOC(b->line, b->block_size + 1, sizeof(char), b->ret = -ENOMEM; goto cleanup);
b->line_size = b->block_size + 1;
b->line_offset = b->line;
} else {
size_t needed = (size_t)((b->line_offset - b->line)
+ (i - b->block_offset) + 1);
if(needed > b->max_line_size) {
- RET_ERR(PM_ERR_MEMORY, -1);
+ b->ret = -ERANGE;
+ goto cleanup;
}
if(needed > b->line_size) {
/* need to realloc + copy data to fit total length */
char *new;
- CALLOC(new, needed, sizeof(char), RET_ERR(PM_ERR_MEMORY, -1));
+ CALLOC(new, needed, sizeof(char), b->ret = -ENOMEM; goto cleanup);
memcpy(new, b->line, b->line_size);
b->line_size = needed;
b->line_offset = new + (b->line_offset - b->line);
@@ -804,13 +868,19 @@ int _alpm_archive_fgets(struct archive *a, struct archive_read_buffer *b)
b->line_offset[len] = '\0';
b->block_offset = ++i;
/* this is the main return point; from here you can read b->line */
- return(ARCHIVE_OK);
+ return ARCHIVE_OK;
} else {
/* we've looked through the whole block but no newline, copy it */
size_t len = (size_t)(b->block + b->block_size - b->block_offset);
memcpy(b->line_offset, b->block_offset, len);
b->line_offset += len;
b->block_offset = i;
+ /* there was no new data, return what is left; saved ARCHIVE_EOF will be
+ * returned on next call */
+ if(len == 0) {
+ b->line_offset[0] = '\0';
+ return ARCHIVE_OK;
+ }
}
}
@@ -819,53 +889,60 @@ cleanup:
int ret = b->ret;
FREE(b->line);
memset(b, 0, sizeof(b));
- return(ret);
+ return ret;
}
}
-int _alpm_splitname(const char *target, pmpkg_t *pkg)
+int _alpm_splitname(const char *target, char **name, char **version,
+ unsigned long *name_hash)
{
/* the format of a db entry is as follows:
* package-version-rel/
+ * package-version-rel/desc (we ignore the filename portion)
* package name can contain hyphens, so parse from the back- go back
* two hyphens and we have split the version from the name.
*/
- const char *version, *end;
+ const char *pkgver, *end;
- if(target == NULL || pkg == NULL) {
- return(-1);
+ if(target == NULL) {
+ return -1;
}
- end = target + strlen(target);
- /* remove any trailing '/' */
- while (*(end - 1) == '/') {
- --end;
+ /* remove anything trailing a '/' */
+ end = strchr(target, '/');
+ if(!end) {
+ end = target + strlen(target);
}
/* do the magic parsing- find the beginning of the version string
* by doing two iterations of same loop to lop off two hyphens */
- for(version = end - 1; *version && *version != '-'; version--);
- for(version = version - 1; *version && *version != '-'; version--);
- if(*version != '-' || version == target) {
- return(-1);
+ for(pkgver = end - 1; *pkgver && *pkgver != '-'; pkgver--);
+ for(pkgver = pkgver - 1; *pkgver && *pkgver != '-'; pkgver--);
+ if(*pkgver != '-' || pkgver == target) {
+ return -1;
}
/* copy into fields and return */
- if(pkg->version) {
- FREE(pkg->version);
+ if(version) {
+ if(*version) {
+ FREE(*version);
+ }
+ /* version actually points to the dash, so need to increment 1 and account
+ * for potential end character */
+ STRNDUP(*version, pkgver + 1, end - pkgver - 1, return -1);
}
- /* version actually points to the dash, so need to increment 1 and account
- * for potential end character */
- STRNDUP(pkg->version, version + 1, end - version - 1,
- RET_ERR(PM_ERR_MEMORY, -1));
- if(pkg->name) {
- FREE(pkg->name);
+ if(name) {
+ if(*name) {
+ FREE(*name);
+ }
+ STRNDUP(*name, target, pkgver - target, return -1);
+ if(name_hash) {
+ *name_hash = _alpm_hash_sdbm(*name);
+ }
}
- STRNDUP(pkg->name, target, version - target, RET_ERR(PM_ERR_MEMORY, -1));
- pkg->name_hash = _alpm_hash_sdbm(pkg->name);
- return(0);
+ return 0;
}
/**
@@ -880,13 +957,13 @@ unsigned long _alpm_hash_sdbm(const char *str)
int c;
if(!str) {
- return(hash);
+ return hash;
}
while((c = *str++)) {
hash = c + (hash << 6) + (hash << 16) - hash;
}
- return(hash);
+ return hash;
}
long _alpm_parsedate(const char *line)
@@ -897,9 +974,60 @@ long _alpm_parsedate(const char *line)
setlocale(LC_TIME, "C");
strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm);
setlocale(LC_TIME, "");
- return(mktime(&tmp_tm));
+ return mktime(&tmp_tm);
+ }
+ return atol(line);
+}
+
+/**
+ * Wrapper around access() which takes a dir and file argument
+ * separately and generates an appropriate error message.
+ * If dir is NULL file will be treated as the whole path.
+ * @param handle an alpm handle
+ * @param dir directory path ending with and slash
+ * @param file filename
+ * @param amode access mode as described in access()
+ * @return int value returned by access()
+ */
+
+int _alpm_access(alpm_handle_t *handle, const char *dir, const char *file, int amode)
+{
+ size_t len = 0;
+ int ret = 0;
+
+ if (dir) {
+ char *check_path;
+
+ len = strlen(dir) + strlen(file) + 1;
+ CALLOC(check_path, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ snprintf(check_path, len, "%s%s", dir, file);
+
+ ret = access(check_path, amode);
+ free(check_path);
+ } else {
+ dir = "";
+ ret = access(file, amode);
+ }
+
+ if(ret != 0) {
+ if (amode & R_OK) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "\"%s%s\" is not readable: %s\n",
+ dir, file, strerror(errno));
+ }
+ if (amode & W_OK) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "\"%s%s\" is not writable: %s\n",
+ dir, file, strerror(errno));
+ }
+ if (amode & X_OK) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "\"%s%s\" is not executable: %s\n",
+ dir, file, strerror(errno));
+ }
+ if (amode == F_OK) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "\"%s%s\" does not exist: %s\n",
+ dir, file, strerror(errno));
+ }
}
- return(atol(line));
+ return ret;
}
#ifndef HAVE_STRNDUP
@@ -908,7 +1036,7 @@ static size_t strnlen(const char *s, size_t max)
{
register const char *p;
for(p = s; *p && max--; ++p);
- return(p - s);
+ return (p - s);
}
char *strndup(const char *s, size_t n)
@@ -916,11 +1044,11 @@ char *strndup(const char *s, size_t n)
size_t len = strnlen(s, n);
char *new = (char *) malloc(len + 1);
- if (new == NULL)
+ if(new == NULL)
return NULL;
new[len] = '\0';
- return (char *) memcpy(new, s, len);
+ return (char *)memcpy(new, s, len);
}
#endif