* Licensed under GPLv2, see file LICENSE in this source tree.
*/
-//usage:#define makemime_trivial_usage
-//usage: "[OPTIONS] [FILE]..."
-//usage:#define makemime_full_usage "\n\n"
-//usage: "Create multipart MIME-encoded message from FILEs\n"
-/* //usage: "Transfer encoding is base64, disposition is inline (not attachment)\n" */
-//usage: "\nOptions:"
-//usage: "\n -o FILE Output. Default: stdout"
-//usage: "\n -a HDR Add header. Examples:"
-//usage: "\n \"From: user@host.org\", \"Date: `date -R`\""
-//usage: "\n -c CT Content type. Default: text/plain"
-//usage: "\n -C CS Charset. Default: " CONFIG_FEATURE_MIME_CHARSET
-/* //usage: "\n -e ENC Transfer encoding. Ignored. base64 is assumed" */
-//usage: "\n"
-//usage: "\nOther options are silently ignored"
-
-//usage:#define reformime_trivial_usage
-//usage: "[OPTIONS] [FILE]..."
-//usage:#define reformime_full_usage "\n\n"
-//usage: "Parse MIME-encoded message\n"
-//usage: "\nOptions:"
-//usage: "\n -x PREFIX Extract content of MIME sections to files"
-//usage: "\n -X PROG ARGS Filter content of MIME sections through PROG"
-//usage: "\n Must be the last option"
-//usage: "\n"
-//usage: "\nOther options are silently ignored"
+//kbuild:lib-$(CONFIG_MAKEMIME) += makemime.o mail.o
#include "libbb.h"
#include "mail.h"
+#if 0
+# define dbg_error_msg(...) bb_error_msg(__VA_ARGS__)
+#else
+# define dbg_error_msg(...) ((void)0)
+#endif
+
/*
makemime -c type [-o file] [-e encoding] [-C charset] [-N name] \
[-a "Header: Contents"] file
\( opts \) - read from child process, that generates [ opts ]
Options:
-
-c type - create a new MIME section from "file" with this
Content-Type: (default is application/octet-stream).
-C charset - MIME charset of a new text/plain section.
value on each line.
{which version of makemime is this? What do we support?}
*/
+/* man makemime:
+
+ * -c TYPE: create a (non-multipart) MIME section with Content-Type: TYPE
+ * makemime -c TYPE [-e ENCODING] [-o OUTFILE] [-C CHARSET] [-N NAME] [-a HEADER...] FILE
+ * The -C option sets the MIME charset attribute for text/plain content.
+ * The -N option sets the name attribute for Content-Type:
+ * Encoding must be one of the following: 7bit, 8bit, quoted-printable, or base64.
+
+ * -m multipart/TYPE: create a multipart MIME collection with Content-Type: multipart/TYPE
+ * makemime -m multipart/TYPE [-e ENCODING] [-o OUTFILE] [-a HEADER...] FILE
+ * Type must be either "multipart/mixed", "multipart/alternative", or some other MIME multipart content type.
+ * Additionally, encoding can only be "7bit" or "8bit", and will default to "8bit" if not specified.
+ * Finally, filename must be a MIME-formatted section, NOT a regular file.
+ * The -m option creates an initial multipart MIME collection, that contains only one MIME section, taken from filename.
+ * The collection is written to standard output, or the pipe or to outputfile.
+
+ * -j FILE1: add a section to a multipart MIME collection
+ * makemime -j FILE1 [-o OUTFILE] FILE2
+ * FILE1 must be a MIME collection that was previously created by the -m option.
+ * FILE2 must be a MIME section that was previously created by the -c option.
+ * The -j options adds the MIME section in FILE2 to the MIME collection in FILE1.
+ */
/* In busybox 1.15.0.svn, makemime generates output like this
...file B contents...
--24269534-2145583448-1655890676--
-*/
-
-
-/* For reference: here is an example email to LKML which has
+ *
+ * For reference: here is an example email to LKML which has
* 1st unnamed part (so it serves as an email body)
* and one attached file:
...other headers...
...random junk added by mailing list robots and such...
*/
-/* man makemime:
-
- * -c TYPE: create a (non-multipart) MIME section with Content-Type: TYPE
- * makemime -c TYPE [-e ENCODING] [-o OUTFILE] [-C CHARSET] [-N NAME] [-a HEADER...] FILE
- * The -C option sets the MIME charset attribute for text/plain content.
- * The -N option sets the name attribute for Content-Type:
- * Encoding must be one of the following: 7bit, 8bit, quoted-printable, or base64.
-
- * -m multipart/TYPE: create a multipart MIME collection with Content-Type: multipart/TYPE
- * makemime -m multipart/TYPE [-e ENCODING] [-o OUTFILE] [-a HEADER...] FILE
- * Type must be either "multipart/mixed", "multipart/alternative", or some other MIME multipart content type.
- * Additionally, encoding can only be "7bit" or "8bit", and will default to "8bit" if not specified.
- * Finally, filename must be a MIME-formatted section, NOT a regular file.
- * The -m option creates an initial multipart MIME collection, that contains only one MIME section, taken from filename.
- * The collection is written to standard output, or the pipe or to outputfile.
+//usage:#define makemime_trivial_usage
+//usage: "[OPTIONS] [FILE]..."
+//usage:#define makemime_full_usage "\n\n"
+//usage: "Create multipart MIME-encoded message from FILEs\n"
+/* //usage: "Transfer encoding is base64, disposition is inline (not attachment)\n" */
+//usage: "\nOptions:"
+//usage: "\n -o FILE Output. Default: stdout"
+//usage: "\n -a HDR Add header. Examples:"
+//usage: "\n \"From: user@host.org\", \"Date: `date -R`\""
+//usage: "\n -c CT Content type. Default: text/plain"
+//usage: "\n -C CS Charset. Default: " CONFIG_FEATURE_MIME_CHARSET
+/* //usage: "\n -e ENC Transfer encoding. Ignored. base64 is assumed" */
+//usage: "\n"
+//usage: "\nOther options are silently ignored"
- * -j FILE1: add a section to a multipart MIME collection
- * makemime -j FILE1 [-o OUTFILE] FILE2
- * FILE1 must be a MIME collection that was previously created by the -m option.
- * FILE2 must be a MIME section that was previously created by the -c option.
- * The -j options adds the MIME section in FILE2 to the MIME collection in FILE1.
- */
int makemime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int makemime_main(int argc UNUSED_PARAM, char **argv)
{
return EXIT_SUCCESS;
#undef boundary
}
-
-static const char *find_token(const char *const string_array[], const char *key, const char *defvalue)
-{
- const char *r = NULL;
- int i;
- for (i = 0; string_array[i] != NULL; i++) {
- if (strcasecmp(string_array[i], key) == 0) {
- r = (char *)string_array[i+1];
- break;
- }
- }
- return (r) ? r : defvalue;
-}
-
-static const char *xfind_token(const char *const string_array[], const char *key)
-{
- const char *r = find_token(string_array, key, NULL);
- if (r)
- return r;
- bb_error_msg_and_die("header: %s", key);
-}
-
-enum {
- OPT_x = 1 << 0,
- OPT_X = 1 << 1,
-#if ENABLE_FEATURE_REFORMIME_COMPAT
- OPT_d = 1 << 2,
- OPT_e = 1 << 3,
- OPT_i = 1 << 4,
- OPT_s = 1 << 5,
- OPT_r = 1 << 6,
- OPT_c = 1 << 7,
- OPT_m = 1 << 8,
- OPT_h = 1 << 9,
- OPT_o = 1 << 10,
- OPT_O = 1 << 11,
-#endif
-};
-
-static int parse(const char *boundary, char **argv)
-{
- char *line, *s, *p;
- const char *type;
- int boundary_len = strlen(boundary);
- const char *delims = " ;\"\t\r\n";
- const char *uniq;
- int ntokens;
- const char *tokens[32]; // 32 is enough
-
- // prepare unique string pattern
- uniq = xasprintf("%%llu.%u.%s", (unsigned)getpid(), safe_gethostname());
-
-//bb_info_msg("PARSE[%s]", uniq);
-
- while ((line = xmalloc_fgets_str(stdin, "\r\n\r\n")) != NULL) {
-
- // seek to start of MIME section
- // N.B. to avoid false positives let us seek to the _last_ occurance
- p = NULL;
- s = line;
- while ((s = strcasestr(s, "Content-Type:")) != NULL)
- p = s++;
- if (!p)
- goto next;
-//bb_info_msg("L[%s]", p);
-
- // split to tokens
- // TODO: strip of comments which are of form: (comment-text)
- ntokens = 0;
- tokens[ntokens] = NULL;
- for (s = strtok(p, delims); s; s = strtok(NULL, delims)) {
- tokens[ntokens] = s;
- if (ntokens < ARRAY_SIZE(tokens) - 1)
- ntokens++;
-//bb_info_msg("L[%d][%s]", ntokens, s);
- }
- tokens[ntokens] = NULL;
-//bb_info_msg("N[%d]", ntokens);
-
- // analyse tokens
- type = find_token(tokens, "Content-Type:", "text/plain");
-//bb_info_msg("T[%s]", type);
- if (0 == strncasecmp(type, "multipart/", 10)) {
- if (0 == strcasecmp(type+10, "mixed")) {
- parse(xfind_token(tokens, "boundary="), argv);
- } else
- bb_error_msg_and_die("no support of content type '%s'", type);
- } else {
- pid_t pid = pid;
- int rc;
- FILE *fp;
- // fetch charset
- const char *charset = find_token(tokens, "charset=", CONFIG_FEATURE_MIME_CHARSET);
- // fetch encoding
- const char *encoding = find_token(tokens, "Content-Transfer-Encoding:", "7bit");
- // compose target filename
- char *filename = (char *)find_token(tokens, "filename=", NULL);
- if (!filename)
- filename = xasprintf(uniq, monotonic_us());
- else
- filename = bb_get_last_path_component_strip(xstrdup(filename));
-
- // start external helper, if any
- if (opts & OPT_X) {
- int fd[2];
- xpipe(fd);
- pid = vfork();
- if (0 == pid) {
- // child reads from fd[0]
- close(fd[1]);
- xmove_fd(fd[0], STDIN_FILENO);
- xsetenv("CONTENT_TYPE", type);
- xsetenv("CHARSET", charset);
- xsetenv("ENCODING", encoding);
- xsetenv("FILENAME", filename);
- BB_EXECVP_or_die(argv);
- }
- // parent dumps to fd[1]
- close(fd[0]);
- fp = xfdopen_for_write(fd[1]);
- signal(SIGPIPE, SIG_IGN); // ignore EPIPE
- // or create a file for dump
- } else {
- char *fname = xasprintf("%s%s", *argv, filename);
- fp = xfopen_for_write(fname);
- free(fname);
- }
-
- // housekeeping
- free(filename);
-
- // dump to fp
- if (0 == strcasecmp(encoding, "base64")) {
- read_base64(stdin, fp, '-');
- } else if (0 != strcasecmp(encoding, "7bit")
- && 0 != strcasecmp(encoding, "8bit")
- ) {
- // quoted-printable, binary, user-defined are unsupported so far
- bb_error_msg_and_die("no support of encoding '%s'", encoding);
- } else {
- // N.B. we have written redundant \n. so truncate the file
- // The following weird 2-tacts reading technique is due to
- // we have to not write extra \n at the end of the file
- // In case of -x option we could truncate the resulting file as
- // fseek(fp, -1, SEEK_END);
- // if (ftruncate(fileno(fp), ftell(fp)))
- // bb_perror_msg("ftruncate");
- // But in case of -X we have to be much more careful. There is
- // no means to truncate what we already have sent to the helper.
- p = xmalloc_fgets_str(stdin, "\r\n");
- while (p) {
- s = xmalloc_fgets_str(stdin, "\r\n");
- if (s == NULL)
- break;
- if ('-' == s[0]
- && '-' == s[1]
- && 0 == strncmp(s+2, boundary, boundary_len)
- ) {
- break;
- }
- fputs(p, fp);
- p = s;
- }
-
-/*
- while ((s = xmalloc_fgetline_str(stdin, "\r\n")) != NULL) {
- if ('-' == s[0] && '-' == s[1]
- && 0 == strncmp(s+2, boundary, boundary_len))
- break;
- fprintf(fp, "%s\n", s);
- }
- // N.B. we have written redundant \n. so truncate the file
- fseek(fp, -1, SEEK_END);
- if (ftruncate(fileno(fp), ftell(fp)))
- bb_perror_msg("ftruncate");
-*/
- }
- fclose(fp);
-
- // finalize helper
- if (opts & OPT_X) {
- signal(SIGPIPE, SIG_DFL);
- // exit if helper exited >0
- rc = (wait4pid(pid) & 0xff);
- if (rc)
- return rc+20;
- }
-
- // check multipart finalized
- if (s && '-' == s[2+boundary_len] && '-' == s[2+boundary_len+1]) {
- free(line);
- break;
- }
- }
- next:
- free(line);
- }
-
-//bb_info_msg("ENDPARSE[%s]", boundary);
-
- return EXIT_SUCCESS;
-}
-
-/*
-Usage: reformime [options]
- -d - parse a delivery status notification.
- -e - extract contents of MIME section.
- -x - extract MIME section to a file.
- -X - pipe MIME section to a program.
- -i - show MIME info.
- -s n.n.n.n - specify MIME section.
- -r - rewrite message, filling in missing MIME headers.
- -r7 - also convert 8bit/raw encoding to quoted-printable, if possible.
- -r8 - also convert quoted-printable encoding to 8bit, if possible.
- -c charset - default charset for rewriting, -o, and -O.
- -m [file] [file]... - create a MIME message digest.
- -h "header" - decode RFC 2047-encoded header.
- -o "header" - encode unstructured header using RFC 2047.
- -O "header" - encode address list header using RFC 2047.
-*/
-
-int reformime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int reformime_main(int argc UNUSED_PARAM, char **argv)
-{
- const char *opt_prefix = "";
-
- INIT_G();
-
- // parse options
- // N.B. only -x and -X are supported so far
- opt_complementary = "x--X:X--x" IF_FEATURE_REFORMIME_COMPAT(":m::");
- opts = getopt32(argv,
- "x:X" IF_FEATURE_REFORMIME_COMPAT("deis:r:c:m:h:o:O:"),
- &opt_prefix
- IF_FEATURE_REFORMIME_COMPAT(, NULL, NULL, &G.opt_charset, NULL, NULL, NULL, NULL)
- );
- //argc -= optind;
- argv += optind;
-
- return parse("", (opts & OPT_X) ? argv : (char **)&opt_prefix);
-}
--- /dev/null
+/* vi: set sw=4 ts=4: */
+/*
+ * makemime: create MIME-encoded message
+ * reformime: parse MIME-encoded message
+ *
+ * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+
+//kbuild:lib-$(CONFIG_REFORMIME) += reformime.o mail.o
+
+#include "libbb.h"
+#include "mail.h"
+
+#if 0
+# define dbg_error_msg(...) bb_error_msg(__VA_ARGS__)
+#else
+# define dbg_error_msg(...) ((void)0)
+#endif
+
+static const char *find_token(const char *const string_array[], const char *key, const char *defvalue)
+{
+ const char *r = NULL;
+ int i;
+ for (i = 0; string_array[i] != NULL; i++) {
+ if (strcasecmp(string_array[i], key) == 0) {
+ r = (char *)string_array[i+1];
+ break;
+ }
+ }
+ return (r) ? r : defvalue;
+}
+
+static const char *xfind_token(const char *const string_array[], const char *key)
+{
+ const char *r = find_token(string_array, key, NULL);
+ if (r)
+ return r;
+ bb_error_msg_and_die("not found: '%s'", key);
+}
+
+enum {
+ OPT_x = 1 << 0,
+ OPT_X = 1 << 1,
+#if ENABLE_FEATURE_REFORMIME_COMPAT
+ OPT_d = 1 << 2,
+ OPT_e = 1 << 3,
+ OPT_i = 1 << 4,
+ OPT_s = 1 << 5,
+ OPT_r = 1 << 6,
+ OPT_c = 1 << 7,
+ OPT_m = 1 << 8,
+ OPT_h = 1 << 9,
+ OPT_o = 1 << 10,
+ OPT_O = 1 << 11,
+#endif
+};
+
+static int parse(const char *boundary, char **argv)
+{
+ int boundary_len = strlen(boundary);
+ char uniq[sizeof("%%llu.%u") + sizeof(int)*3];
+
+ dbg_error_msg("BOUNDARY[%s]", boundary);
+
+ // prepare unique string pattern
+ sprintf(uniq, "%%llu.%u", (unsigned)getpid());
+ dbg_error_msg("UNIQ[%s]", uniq);
+
+ while (1) {
+ char *header;
+ const char *tokens[32]; /* 32 is enough */
+ const char *type;
+
+ /* Read the header (everything up to two \n) */
+ {
+ unsigned header_idx = 0;
+ int last_ch = 0;
+ header = NULL;
+ while (1) {
+ int ch = fgetc(stdin);
+ if (ch == '\r') /* Support both line endings */
+ continue;
+ if (ch == EOF)
+ break;
+ if (ch == '\n' && last_ch == ch)
+ break;
+ if (!(header_idx & 0xff))
+ header = xrealloc(header, header_idx + 0x101);
+ header[header_idx++] = last_ch = ch;
+ }
+ if (!header) {
+ dbg_error_msg("EOF");
+ break;
+ }
+ header[header_idx] = '\0';
+ dbg_error_msg("H:'%s'", p);
+ }
+
+ /* Split to tokens */
+ {
+ char *s, *p;
+ unsigned ntokens;
+ const char *delims = ";=\" \t\n";
+
+ /* Skip to last Content-Type: */
+ s = p = header;
+ while ((p = strchr(p, '\n')) != NULL) {
+ p++;
+ if (strncasecmp(p, "Content-Type:", sizeof("Content-Type:")-1) == 0)
+ s = p;
+ }
+ dbg_error_msg("L:'%s'", p);
+ ntokens = 0;
+ s = strtok(s, delims);
+ while (s) {
+ tokens[ntokens] = s;
+ if (ntokens < ARRAY_SIZE(tokens) - 1)
+ ntokens++;
+ dbg_error_msg("L[%d]='%s'", ntokens, s);
+ s = strtok(NULL, delims);
+ }
+ tokens[ntokens] = NULL;
+ dbg_error_msg("EMPTYLINE, ntokens:%d", ntokens);
+ if (ntokens == 0)
+ break;
+ }
+
+ /* Is it multipart? */
+ type = find_token(tokens, "Content-Type:", "text/plain");
+ dbg_error_msg("TYPE:'%s'", type);
+ if (0 == strncasecmp(type, "multipart/", 10)) {
+ /* Yes, recurse */
+ if (strcasecmp(type + 10, "mixed") != 0)
+ bb_error_msg_and_die("no support of content type '%s'", type);
+ parse(xfind_token(tokens, "boundary"), argv);
+
+ } else {
+ /* No, process one non-multipart section */
+ char *end;
+ pid_t pid = pid;
+ FILE *fp;
+
+ const char *charset = find_token(tokens, "charset", CONFIG_FEATURE_MIME_CHARSET);
+ const char *encoding = find_token(tokens, "Content-Transfer-Encoding:", "7bit");
+
+ /* Compose target filename */
+ char *filename = (char *)find_token(tokens, "filename", NULL);
+ if (!filename)
+ filename = xasprintf(uniq, monotonic_us());
+ else
+ filename = bb_get_last_path_component_strip(xstrdup(filename));
+
+ if (opts & OPT_X) {
+ int fd[2];
+
+ /* start external helper */
+ xpipe(fd);
+ pid = vfork();
+ if (0 == pid) {
+ /* child reads from fd[0] */
+ close(fd[1]);
+ xmove_fd(fd[0], STDIN_FILENO);
+ xsetenv("CONTENT_TYPE", type);
+ xsetenv("CHARSET", charset);
+ xsetenv("ENCODING", encoding);
+ xsetenv("FILENAME", filename);
+ BB_EXECVP_or_die(argv);
+ }
+ /* parent will write to fd[1] */
+ close(fd[0]);
+ fp = xfdopen_for_write(fd[1]);
+ signal(SIGPIPE, SIG_IGN);
+ } else {
+ /* write to file */
+ char *fname = xasprintf("%s%s", *argv, filename);
+ fp = xfopen_for_write(fname);
+ free(fname);
+ }
+ free(filename);
+
+ /* write to fp */
+ end = NULL;
+ if (0 == strcasecmp(encoding, "base64")) {
+ read_base64(stdin, fp, '-');
+ } else
+ if (0 != strcasecmp(encoding, "7bit")
+ && 0 != strcasecmp(encoding, "8bit")
+ ) {
+ /* quoted-printable, binary, user-defined are unsupported so far */
+ bb_error_msg_and_die("encoding '%s' not supported", encoding);
+ } else {
+ /* plain 7bit or 8bit */
+ while ((end = xmalloc_fgets(stdin)) != NULL) {
+ if ('-' == end[0]
+ && '-' == end[1]
+ && strncmp(end + 2, boundary, boundary_len) == 0
+ ) {
+ break;
+ }
+ fputs(end, fp);
+ }
+ }
+ fclose(fp);
+
+ /* Wait for child */
+ if (opts & OPT_X) {
+ int rc;
+ signal(SIGPIPE, SIG_DFL);
+ rc = (wait4pid(pid) & 0xff);
+ if (rc != 0)
+ return rc + 20;
+ }
+
+ /* Multipart ended? */
+ if (end && '-' == end[2 + boundary_len] && '-' == end[2 + boundary_len + 1]) {
+ dbg_error_msg("FINISHED MPART:'%s'", end);
+ break;
+ }
+ dbg_error_msg("FINISHED:'%s'", end);
+ free(end);
+ } /* end of "handle one non-multipart block" */
+
+ free(header);
+ } /* while (1) */
+
+ dbg_error_msg("ENDPARSE[%s]", boundary);
+
+ return EXIT_SUCCESS;
+}
+
+//usage:#define reformime_trivial_usage
+//usage: "[OPTIONS]"
+//usage:#define reformime_full_usage "\n\n"
+//usage: "Parse MIME-encoded message on stdin\n"
+//usage: "\nOptions:"
+//usage: "\n -x PREFIX Extract content of MIME sections to files"
+//usage: "\n -X PROG ARGS Filter content of MIME sections through PROG"
+//usage: "\n Must be the last option"
+//usage: "\n"
+//usage: "\nOther options are silently ignored"
+
+/*
+Usage: reformime [options]
+ -d - parse a delivery status notification.
+ -e - extract contents of MIME section.
+ -x - extract MIME section to a file.
+ -X - pipe MIME section to a program.
+ -i - show MIME info.
+ -s n.n.n.n - specify MIME section.
+ -r - rewrite message, filling in missing MIME headers.
+ -r7 - also convert 8bit/raw encoding to quoted-printable, if possible.
+ -r8 - also convert quoted-printable encoding to 8bit, if possible.
+ -c charset - default charset for rewriting, -o, and -O.
+ -m [file] [file]... - create a MIME message digest.
+ -h "header" - decode RFC 2047-encoded header.
+ -o "header" - encode unstructured header using RFC 2047.
+ -O "header" - encode address list header using RFC 2047.
+*/
+
+int reformime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int reformime_main(int argc UNUSED_PARAM, char **argv)
+{
+ const char *opt_prefix = "";
+
+ INIT_G();
+
+ // parse options
+ // N.B. only -x and -X are supported so far
+ opt_complementary = "x--X:X--x" IF_FEATURE_REFORMIME_COMPAT(":m::");
+ opts = getopt32(argv,
+ "x:X" IF_FEATURE_REFORMIME_COMPAT("deis:r:c:m:h:o:O:"),
+ &opt_prefix
+ IF_FEATURE_REFORMIME_COMPAT(, NULL, NULL, &G.opt_charset, NULL, NULL, NULL, NULL)
+ );
+ argv += optind;
+
+ return parse("", (opts & OPT_X) ? argv : (char **)&opt_prefix);
+}
projects / platform / upstream / busybox.git / commitdiff