From f431cd1a48a6a5186633bf5f16a2d21cb4399e8c Mon Sep 17 00:00:00 2001 From: P. J. McDermott Date: Thu, 09 Feb 2012 10:56:43 -0500 Subject: Initial commit. TODO: Copyright information. Including source code and a patch to add files generated by GNU Autoconf is not very pretty... Running 'make dist' in the SVN trunk to generate a source archive might be better. --- (limited to 'src/libopkg/.svn/text-base/pkg_parse.c.svn-base') diff --git a/src/libopkg/.svn/text-base/pkg_parse.c.svn-base b/src/libopkg/.svn/text-base/pkg_parse.c.svn-base new file mode 100644 index 0000000..406220b --- /dev/null +++ b/src/libopkg/.svn/text-base/pkg_parse.c.svn-base @@ -0,0 +1,285 @@ +/* pkg_parse.c - the opkg package management system + + Copyright (C) 2009 Ubiq Technologies + + Steven M. Ayer + Copyright (C) 2002 Compaq Computer Corporation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. +*/ + +#include "config.h" + +#include +#include + +#include "opkg_utils.h" +#include "pkg_parse.h" +#include "libbb/libbb.h" + +#include "parse_util.h" + +static void +parse_status(pkg_t *pkg, const char *sstr) +{ + char sw_str[64], sf_str[64], ss_str[64]; + + if (sscanf(sstr, "Status: %63s %63s %63s", + sw_str, sf_str, ss_str) != 3) { + opkg_msg(ERROR, "Failed to parse Status line for %s\n", + pkg->name); + return; + } + + pkg->state_want = pkg_state_want_from_str(sw_str); + pkg->state_flag = pkg_state_flag_from_str(sf_str); + pkg->state_status = pkg_state_status_from_str(ss_str); +} + +static void +parse_conffiles(pkg_t *pkg, const char *cstr) +{ + char file_name[1024], md5sum[35]; + + if (sscanf(cstr, "%1023s %34s", file_name, md5sum) != 2) { + opkg_msg(ERROR, "Failed to parse Conffiles line for %s\n", + pkg->name); + return; + } + + conffile_list_append(&pkg->conffiles, file_name, md5sum); +} + +int +parse_version(pkg_t *pkg, const char *vstr) +{ + char *colon; + + if (strncmp(vstr, "Version:", 8) == 0) + vstr += 8; + + while (*vstr && isspace(*vstr)) + vstr++; + + colon = strchr(vstr, ':'); + if (colon) { + errno = 0; + pkg->epoch = strtoul(vstr, NULL, 10); + if (errno) { + opkg_perror(ERROR, "%s: invalid epoch", pkg->name); + } + vstr = ++colon; + } else { + pkg->epoch= 0; + } + + pkg->version = xstrdup(vstr); + pkg->revision = strrchr(pkg->version,'-'); + + if (pkg->revision) + *pkg->revision++ = '\0'; + + return 0; +} + +static int +get_arch_priority(const char *arch) +{ + nv_pair_list_elt_t *l; + + list_for_each_entry(l , &conf->arch_list.head, node) { + nv_pair_t *nv = (nv_pair_t *)l->data; + if (strcmp(nv->name, arch) == 0) + return strtol(nv->value, NULL, 0); + } + return 0; +} + +int +pkg_parse_line(void *ptr, const char *line, uint mask) +{ + pkg_t *pkg = (pkg_t *) ptr; + + /* these flags are a bit hackish... */ + static int reading_conffiles = 0, reading_description = 0; + int ret = 0; + + /* Exclude globally masked fields. */ + mask |= conf->pfm; + + /* Flip the semantics of the mask. */ + mask ^= PFM_ALL; + + switch (*line) { + case 'A': + if ((mask & PFM_ARCHITECTURE ) && is_field("Architecture", line)) { + pkg->architecture = parse_simple("Architecture", line); + pkg->arch_priority = get_arch_priority(pkg->architecture); + } else if ((mask & PFM_AUTO_INSTALLED) && is_field("Auto-Installed", line)) { + char *tmp = parse_simple("Auto-Installed", line); + if (strcmp(tmp, "yes") == 0) + pkg->auto_installed = 1; + free(tmp); + } + break; + + case 'C': + if ((mask & PFM_CONFFILES) && is_field("Conffiles", line)) { + reading_conffiles = 1; + reading_description = 0; + goto dont_reset_flags; + } + else if ((mask & PFM_CONFLICTS) && is_field("Conflicts", line)) + pkg->conflicts_str = parse_list(line, &pkg->conflicts_count, ',', 0); + break; + + case 'D': + if ((mask & PFM_DESCRIPTION) && is_field("Description", line)) { + pkg->description = parse_simple("Description", line); + reading_conffiles = 0; + reading_description = 1; + goto dont_reset_flags; + } else if ((mask & PFM_DEPENDS) && is_field("Depends", line)) + pkg->depends_str = parse_list(line, &pkg->depends_count, ',', 0); + break; + + case 'E': + if((mask & PFM_ESSENTIAL) && is_field("Essential", line)) { + char *tmp = parse_simple("Essential", line); + if (strcmp(tmp, "yes") == 0) + pkg->essential = 1; + free(tmp); + } + break; + + case 'F': + if((mask & PFM_FILENAME) && is_field("Filename", line)) + pkg->filename = parse_simple("Filename", line); + break; + + case 'I': + if ((mask & PFM_INSTALLED_SIZE) && is_field("Installed-Size", line)) { + char *tmp = parse_simple("Installed-Size", line); + pkg->installed_size = strtoul(tmp, NULL, 0); + free (tmp); + } else if ((mask & PFM_INSTALLED_TIME) && is_field("Installed-Time", line)) { + char *tmp = parse_simple("Installed-Time", line); + pkg->installed_time = strtoul(tmp, NULL, 0); + free (tmp); + } + break; + + case 'M': + if ((mask & PFM_MD5SUM) && is_field("MD5sum:", line)) + pkg->md5sum = parse_simple("MD5sum", line); + /* The old opkg wrote out status files with the wrong + * case for MD5sum, let's parse it either way */ + else if ((mask & PFM_MD5SUM) && is_field("MD5Sum:", line)) + pkg->md5sum = parse_simple("MD5Sum", line); + else if((mask & PFM_MAINTAINER) && is_field("Maintainer", line)) + pkg->maintainer = parse_simple("Maintainer", line); + break; + + case 'P': + if ((mask & PFM_PACKAGE) && is_field("Package", line)) + pkg->name = parse_simple("Package", line); + else if ((mask & PFM_PRIORITY) && is_field("Priority", line)) + pkg->priority = parse_simple("Priority", line); + else if ((mask & PFM_PROVIDES) && is_field("Provides", line)) + pkg->provides_str = parse_list(line, &pkg->provides_count, ',', 0); + else if ((mask & PFM_PRE_DEPENDS) && is_field("Pre-Depends", line)) + pkg->pre_depends_str = parse_list(line, &pkg->pre_depends_count, ',', 0); + break; + + case 'R': + if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line)) + pkg->recommends_str = parse_list(line, &pkg->recommends_count, ',', 0); + else if ((mask & PFM_REPLACES) && is_field("Replaces", line)) + pkg->replaces_str = parse_list(line, &pkg->replaces_count, ',', 0); + + break; + + case 'S': + if ((mask & PFM_SECTION) && is_field("Section", line)) + pkg->section = parse_simple("Section", line); +#ifdef HAVE_SHA256 + else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line)) + pkg->sha256sum = parse_simple("SHA256sum", line); +#endif + else if ((mask & PFM_SIZE) && is_field("Size", line)) { + char *tmp = parse_simple("Size", line); + pkg->size = strtoul(tmp, NULL, 0); + free (tmp); + } else if ((mask & PFM_SOURCE) && is_field("Source", line)) + pkg->source = parse_simple("Source", line); + else if ((mask & PFM_STATUS) && is_field("Status", line)) + parse_status(pkg, line); + else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line)) + pkg->suggests_str = parse_list(line, &pkg->suggests_count, ',', 0); + break; + + case 'T': + if ((mask & PFM_TAGS) && is_field("Tags", line)) + pkg->tags = parse_simple("Tags", line); + break; + + case 'V': + if ((mask & PFM_VERSION) && is_field("Version", line)) + parse_version(pkg, line); + break; + + case ' ': + if ((mask & PFM_DESCRIPTION) && reading_description) { + pkg->description = xrealloc(pkg->description, + strlen(pkg->description) + + 1 + strlen(line) + 1); + strcat(pkg->description, "\n"); + strcat(pkg->description, (line)); + goto dont_reset_flags; + } else if ((mask & PFM_CONFFILES) && reading_conffiles) { + parse_conffiles(pkg, line); + goto dont_reset_flags; + } + + /* FALLTHROUGH */ + default: + /* For package lists, signifies end of package. */ + if(line_is_blank(line)) { + ret = 1; + break; + } + } + + reading_description = 0; + reading_conffiles = 0; + +dont_reset_flags: + + return ret; +} + +int +pkg_parse_from_stream(pkg_t *pkg, FILE *fp, uint mask) +{ + int ret; + char *buf; + const size_t len = 4096; + + buf = xmalloc(len); + ret = parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf, len); + if (pkg->name == NULL) { + /* probably just a blank line */ + ret = 1; + } + free(buf); + + return ret; +} -- cgit v0.9.1