diff options
Diffstat (limited to 'src/LYShowInfo.c')
| -rw-r--r-- | src/LYShowInfo.c | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/src/LYShowInfo.c b/src/LYShowInfo.c new file mode 100644 index 0000000..3f3b359 --- /dev/null +++ b/src/LYShowInfo.c @@ -0,0 +1,499 @@ +/* $LynxId: LYShowInfo.c,v 1.82 2018/05/11 20:43:26 tom Exp $ */ +#include <HTUtils.h> +#include <HTFile.h> +#include <HTParse.h> +#include <HTAlert.h> +#include <HTTP.h> +#include <LYCurses.h> +#include <LYUtils.h> +#include <LYStructs.h> +#include <LYGlobalDefs.h> +#include <LYShowInfo.h> +#include <LYCharUtils.h> +#include <GridText.h> +#include <LYReadCFG.h> +#include <LYCharSets.h> +#include <LYStrings.h> + +#include <LYLeaks.h> + +#ifdef DIRED_SUPPORT +#include <HTAAProt.h> +#include <time.h> +#include <LYLocal.h> +#endif /* DIRED_SUPPORT */ + +#define BEGIN_DL(text) fprintf(fp0, "<h2>%s</h2>\n<dl compact>", LYEntifyTitle(&buffer, text)) +#define END_DL() fprintf(fp0, "\n</dl>\n") + +#define ADD_SS(label,value) dt_String(fp0, label, value, 0) +#define ADD_WW(label,value) dt_String(fp0, label, value, 1) +#define ADD_NN(label,value,units) dt_Number(fp0, label, (long) value, units) + +static int label_columns; + +/* + * LYNX_VERSION and LYNX_DATE are automatically generated by PRCS, the tool + * which we use to archive versions of Lynx. We use a convention for naming + * the successive versions: + * {release}{status}{patch} + * where + * {release} is the release that we are working on, e.g., 2.8.4 + * {status} is one of "dev", "pre" or "rel", and + * {patch} is a number assigned by PRCS. + */ +BOOL LYVersionIsRelease(void) +{ + return (BOOL) (strstr(LYNX_VERSION, "rel") != 0); +} + +const char *LYVersionStatus(void) +{ + if (LYVersionIsRelease()) + return REL_VERSION; + else if (strstr(LYNX_VERSION, "pre") != 0) + return PRE_VERSION; + return DEV_VERSION; +} + +const char *LYVersionDate(void) +{ + static char temp[LYNX_DATE_LEN + 1]; + + LYStrNCpy(temp, &LYNX_DATE[LYNX_DATE_OFF], LYNX_DATE_LEN); + return temp; +} + +static void dt_String(FILE *fp, + const char *label, + const char *value, + int allow_wide) +{ + int have; + int need; + char *the_label = NULL; + char *the_value = NULL; + + StrAllocCopy(the_label, label); + StrAllocCopy(the_value, value); + + have = (int) strlen(the_label); + need = LYstrExtent(the_label, have, label_columns); + + LYEntify(&the_label, TRUE); + LYEntify(&the_value, TRUE); + + fprintf(fp, "<dt>"); + while (need++ < label_columns) + fprintf(fp, " "); + if (LYwideLines && allow_wide) + fprintf(fp, "<em>%s</em><pre>%s</pre>\n", the_label, the_value); + else + fprintf(fp, "<em>%s</em>%s\n", the_label, the_value); + + FREE(the_label); + FREE(the_value); +} + +static void dt_Number(FILE *fp0, + const char *label, + long number, + const char *units) +{ + char *value = NULL; + char *buffer = NULL; + + HTSprintf(&value, "%ld %s", number, LYEntifyTitle(&buffer, units)); + ADD_SS(label, value); + FREE(value); + FREE(buffer); +} + +static void dt_URL(FILE *fp0, const char *address) +{ + if (address == NULL) + address = ""; + ADD_WW(gettext("URL:"), address); + + /* + * If the display handles UTF-8, and if the address uses %xy formatted + * characters, show the decoded URL on the next line. + */ + if (LYCharSet_UC[current_char_set].enc == UCT_ENC_UTF8) { + char *working = NULL; + + StrAllocCopy(working, address); + if (strcmp(HTUnEscape(working), address)) { + fprintf(fp0, "\n<br>%s\n", working); + } + free(working); + } +} + +/* + * LYShowInfo prints a page of info about the current file and the link that + * the cursor is on. + */ +int LYShowInfo(DocInfo *doc, + DocInfo *newdoc, + char *owner_address) +{ + static char tempfile[LY_MAXPATH] = "\0"; + + int url_type; + FILE *fp0; + char *Title = NULL; + const char *cp; + char *temp = NULL; + char *buffer = NULL; + + BOOLEAN LYInfoAdvanced = (BOOL) (user_mode == ADVANCED_MODE); + +#ifdef DIRED_SUPPORT + struct stat dir_info; + const char *name; +#endif /* DIRED_SUPPORT */ + + if (LYReuseTempfiles) { + fp0 = LYOpenTempRewrite(tempfile, HTML_SUFFIX, "w"); + } else { + (void) LYRemoveTemp(tempfile); + fp0 = LYOpenTemp(tempfile, HTML_SUFFIX, "w"); + } + if (fp0 == NULL) { + HTAlert(CANNOT_OPEN_TEMP); + return (-1); + } + + /* + * Point the address pointer at this Url + */ + LYLocalFileToURL(&newdoc->address, tempfile); + + if (nlinks > 0 && links[doc->link].lname != NULL && + (url_type = is_url(links[doc->link].lname)) != 0 && + (url_type == LYNXEXEC_URL_TYPE || + url_type == LYNXPROG_URL_TYPE)) { + char *last_slash = strrchr(links[doc->link].lname, '/'); + int next_to_last = (int) strlen(links[doc->link].lname) - 1; + + if ((last_slash - links[doc->link].lname) == next_to_last) { + links[doc->link].lname[next_to_last] = '\0'; + } + } + + label_columns = 9; + + WriteInternalTitle(fp0, SHOWINFO_TITLE); + + fprintf(fp0, "<h1>%s %s (%s) (<a href=\"%s\">%s</a>)", + LYNX_NAME, LYNX_VERSION, + LYVersionDate(), + (LYVersionIsRelease()? LYNX_WWW_HOME : LYNX_WWW_DIST), + LYVersionStatus()); + + fprintf(fp0, "</h1>\n"); /* don't forget to close <h1> */ + +#ifdef DIRED_SUPPORT + if (lynx_edit_mode && nlinks > 0) { + + BEGIN_DL(gettext("Directory that you are currently viewing")); + + temp = HTfullURL_toFile(doc->address); + ADD_SS(gettext("Name:"), temp); + FREE(temp); + + dt_URL(fp0, doc->address); + + END_DL(); + + temp = HTfullURL_toFile(links[doc->link].lname); + + if (lstat(temp, &dir_info) == -1) { + CTRACE((tfp, "lstat(%s) failed, errno=%d\n", temp, errno)); + HTAlert(CURRENT_LINK_STATUS_FAILED); + } else { + char modes[80]; + + label_columns = 16; + if (S_ISDIR(dir_info.st_mode)) { + BEGIN_DL(gettext("Directory that you have currently selected")); + } else if (S_ISREG(dir_info.st_mode)) { + BEGIN_DL(gettext("File that you have currently selected")); +#ifdef S_IFLNK + } else if (S_ISLNK(dir_info.st_mode)) { + BEGIN_DL(gettext("Symbolic link that you have currently selected")); +#endif + } else { + BEGIN_DL(gettext("Item that you have currently selected")); + } + ADD_SS(gettext("Full name:"), temp); +#ifdef S_IFLNK + if (S_ISLNK(dir_info.st_mode)) { + char buf[MAX_LINE]; + int buf_size; + size_t limit = sizeof(buf) - 1; + + if ((buf_size = (int) readlink(temp, buf, limit)) != -1) { + if (buf_size > (int) limit) + buf_size = (int) limit; + buf[buf_size] = '\0'; + } else { + sprintf(buf, "%.*s", (int) limit, + gettext("Unable to follow link")); + } + ADD_SS(gettext("Points to file:"), buf); + } +#endif + name = HTAA_UidToName((int) dir_info.st_uid); + if (*name) + ADD_SS(gettext("Name of owner:"), name); + name = HTAA_GidToName((int) dir_info.st_gid); + if (*name) + ADD_SS(gettext("Group name:"), name); + if (S_ISREG(dir_info.st_mode)) { + ADD_NN(gettext("File size:"), + (long) dir_info.st_size, + gettext("(bytes)")); + } + /* + * Include date and time information. + */ + ADD_SS(gettext("Creation date:"), + ctime(&dir_info.st_ctime)); + + ADD_SS(gettext("Last modified:"), + ctime(&dir_info.st_mtime)); + + ADD_SS(gettext("Last accessed:"), + ctime(&dir_info.st_atime)); + + END_DL(); + + label_columns = 9; + BEGIN_DL(gettext("Access Permissions")); + modes[0] = '\0'; + modes[1] = '\0'; /* In case there are no permissions */ + modes[2] = '\0'; + if ((dir_info.st_mode & S_IRUSR)) + strcat(modes, ", read"); + if ((dir_info.st_mode & S_IWUSR)) + strcat(modes, ", write"); + if ((dir_info.st_mode & S_IXUSR)) { + if (S_ISDIR(dir_info.st_mode)) + strcat(modes, ", search"); + else { + strcat(modes, ", execute"); + if ((dir_info.st_mode & S_ISUID)) + strcat(modes, ", setuid"); + } + } + ADD_SS(gettext("Owner:"), &modes[2]); + + modes[0] = '\0'; + modes[1] = '\0'; /* In case there are no permissions */ + modes[2] = '\0'; + if ((dir_info.st_mode & S_IRGRP)) + strcat(modes, ", read"); + if ((dir_info.st_mode & S_IWGRP)) + strcat(modes, ", write"); + if ((dir_info.st_mode & S_IXGRP)) { + if (S_ISDIR(dir_info.st_mode)) + strcat(modes, ", search"); + else { + strcat(modes, ", execute"); + if ((dir_info.st_mode & S_ISGID)) + strcat(modes, ", setgid"); + } + } + ADD_SS(gettext("Group:"), &modes[2]); + + modes[0] = '\0'; + modes[1] = '\0'; /* In case there are no permissions */ + modes[2] = '\0'; + if ((dir_info.st_mode & S_IROTH)) + strcat(modes, ", read"); + if ((dir_info.st_mode & S_IWOTH)) + strcat(modes, ", write"); + if ((dir_info.st_mode & S_IXOTH)) { + if (S_ISDIR(dir_info.st_mode)) + strcat(modes, ", search"); + else { + strcat(modes, ", execute"); +#ifdef S_ISVTX + if ((dir_info.st_mode & S_ISVTX)) + strcat(modes, ", sticky"); +#endif + } + } + ADD_SS(gettext("World:"), &modes[2]); + END_DL(); + } + FREE(temp); + } else { +#endif /* DIRED_SUPPORT */ + + BEGIN_DL(gettext("File that you are currently viewing")); + + LYformTitle(&Title, doc->title); + HTSprintf(&temp, "%s%s", + LYEntifyTitle(&buffer, Title), + ((doc->isHEAD && + !strstr(Title, " (HEAD)") && + !strstr(Title, " - HEAD")) ? " (HEAD)" : "")); + ADD_SS(gettext("Linkname:"), temp); + FREE(temp); + + dt_URL(fp0, doc->address); + + if (HTLoadedDocumentCharset()) { + ADD_SS(gettext("Charset:"), + HTLoadedDocumentCharset()); + } else { + LYUCcharset *p_in = HTAnchor_getUCInfoStage(HTMainAnchor, + UCT_STAGE_PARSER); + + if (!p_in || isEmpty(p_in->MIMEname) || + HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_PARSER) < 0) { + p_in = HTAnchor_getUCInfoStage(HTMainAnchor, UCT_STAGE_MIME); + } + if (p_in && non_empty(p_in->MIMEname) && + HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_MIME) >= 0) { + HTSprintf(&temp, "%s %s", + LYEntifyTitle(&buffer, p_in->MIMEname), + gettext("(assumed)")); + ADD_SS(gettext("Charset:"), p_in->MIMEname); + FREE(temp); + } + } + + if ((cp = HText_getServer()) != NULL && *cp != '\0') + ADD_SS(gettext("Server:"), cp); + + if ((cp = HText_getDate()) != NULL && *cp != '\0') + ADD_SS(gettext("Date:"), cp); + + if ((cp = HText_getLastModified()) != NULL && *cp != '\0') + ADD_SS(gettext("Last Mod:"), cp); + + if (LYInfoAdvanced) { + if (HTMainAnchor && HTMainAnchor->expires) { + ADD_SS(gettext("Expires:"), HTMainAnchor->expires); + } + if (HTMainAnchor && HTMainAnchor->cache_control) { + ADD_SS(gettext("Cache-Control:"), HTMainAnchor->cache_control); + } + if (HTMainAnchor && HTMainAnchor->content_length > 0) { + ADD_NN(gettext("Content-Length:"), + HTMainAnchor->content_length, + gettext("bytes")); + } else { + ADD_NN(gettext("Length:"), + HText_getNumOfBytes(), + gettext("bytes")); + } + if (HTMainAnchor && HTMainAnchor->content_language) { + ADD_SS(gettext("Language:"), HTMainAnchor->content_language); + } + } + + if (doc->post_data) { + fprintf(fp0, "<dt><em>%s</em> <xmp>%.*s</xmp>\n", + LYEntifyTitle(&buffer, gettext("Post Data:")), + BStrLen(doc->post_data), + BStrData(doc->post_data)); + ADD_SS(gettext("Post Content Type:"), doc->post_content_type); + } + + ADD_SS(gettext("Owner(s):"), + (owner_address + ? owner_address + : NO_NOTHING)); + + ADD_NN(gettext("size:"), + HText_getNumOfLines(), + gettext("lines")); + + StrAllocCopy(temp, + ((lynx_mode == FORMS_LYNX_MODE) + ? gettext("forms mode") + : (HTisDocumentSource() + ? gettext("source") + : gettext("normal")))); + if (doc->safe) + StrAllocCat(temp, gettext(", safe")); + if (doc->internal_link) + StrAllocCat(temp, gettext(", via internal link")); + + if (LYInfoAdvanced) { + if (HText_hasNoCacheSet(HTMainText)) + StrAllocCat(temp, gettext(", no-cache")); + if (HTAnchor_isISMAPScript((HTAnchor *) HTMainAnchor)) + StrAllocCat(temp, gettext(", ISMAP script")); + if (doc->bookmark) + StrAllocCat(temp, gettext(", bookmark file")); + } + + ADD_SS(gettext("mode:"), temp); + FREE(temp); + + END_DL(); + + if (nlinks > 0) { + BEGIN_DL(gettext("Link that you currently have selected")); + ADD_SS(gettext("Linkname:"), + LYGetHiliteStr(doc->link, 0)); + if (lynx_mode == FORMS_LYNX_MODE && + links[doc->link].type == WWW_FORM_LINK_TYPE) { + if (links[doc->link].l_form->submit_method) { + int method = links[doc->link].l_form->submit_method; + char *enctype = links[doc->link].l_form->submit_enctype; + + ADD_SS(gettext("Method:"), + ((method == URL_POST_METHOD) ? "POST" : + ((method == URL_MAIL_METHOD) ? "(email)" : + "GET"))); + ADD_SS(gettext("Enctype:"), + (non_empty(enctype) + ? enctype + : "application/x-www-form-urlencoded")); + } + if (links[doc->link].l_form->submit_action) { + ADD_SS(gettext("Action:"), + links[doc->link].l_form->submit_action); + } + if (!(links[doc->link].l_form->submit_method && + links[doc->link].l_form->submit_action)) { + fprintf(fp0, "<dt> %s\n", + LYEntifyTitle(&buffer, gettext("(Form field)"))); + } + } else { + dt_URL(fp0, NonNull(links[doc->link].lname)); + } + END_DL(); + + } else { + fprintf(fp0, "<h2>%s</h2>", + LYEntifyTitle(&buffer, + gettext("No Links on the current page"))); + } + + if ((cp = HText_getHttpHeaders()) != 0) { + fprintf(fp0, "<h2>%s</h2>", + LYEntifyTitle(&buffer, gettext("Server Headers:"))); + fprintf(fp0, "<pre>%s</pre>", + LYEntifyTitle(&buffer, cp)); + } +#ifdef DIRED_SUPPORT + } +#endif /* DIRED_SUPPORT */ + EndInternalPage(fp0); + + LYrefresh(); + + LYCloseTemp(tempfile); + FREE(Title); + FREE(buffer); + + return (0); +} |